diff --git a/stage0/library/Init/Data/Hashable.c b/stage0/library/Init/Data/Hashable.c
index 4f83bf282e..033b43627b 100644
--- a/stage0/library/Init/Data/Hashable.c
+++ b/stage0/library/Init/Data/Hashable.c
@@ -15,20 +15,28 @@ extern "C" {
 #endif
 lean_object* l_Option_Hashable(lean_object*);
 lean_object* l_String_Hashable___closed__1;
+lean_object* l_List_hash___rarg___boxed(lean_object*, lean_object*);
 lean_object* l_String_Hashable;
 size_t l_Nat_hash(lean_object*);
 lean_object* l_Prod_Hashable___rarg___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_List_Hashable___rarg(lean_object*);
+lean_object* l_List_foldl___main___at_List_hash___spec__1(lean_object*);
+lean_object* l_List_hash(lean_object*);
 size_t l_Prod_Hashable___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Option_hash(lean_object*);
 size_t l_Option_hash___rarg(lean_object*, lean_object*);
 size_t lean_string_hash(lean_object*);
 lean_object* l_String_hash___boxed(lean_object*);
 lean_object* l_Nat_Hashable;
+size_t l_List_foldl___main___at_List_hash___spec__1___rarg(lean_object*, size_t, lean_object*);
+lean_object* l_List_Hashable(lean_object*);
 lean_object* l_Prod_Hashable(lean_object*, lean_object*);
 lean_object* l_mixHash___boxed(lean_object*, lean_object*);
+lean_object* l_List_foldl___main___at_List_hash___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Option_hash___rarg___boxed(lean_object*, lean_object*);
 size_t lean_usize_mix_hash(size_t, size_t);
 size_t lean_usize_of_nat(lean_object*);
+size_t l_List_hash___rarg(lean_object*, lean_object*);
 lean_object* l_Nat_hash___boxed(lean_object*);
 lean_object* l_Option_Hashable___rarg(lean_object*);
 lean_object* l_Nat_Hashable___closed__1;
@@ -199,6 +207,95 @@ x_2 = lean_alloc_closure((void*)(l_Option_Hashable___rarg), 1, 0);
 return x_2;
 }
 }
+size_t l_List_foldl___main___at_List_hash___spec__1___rarg(lean_object* x_1, size_t x_2, lean_object* x_3) {
+_start:
+{
+if (lean_obj_tag(x_3) == 0)
+{
+lean_dec(x_1);
+return x_2;
+}
+else
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; 
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+x_5 = lean_ctor_get(x_3, 1);
+lean_inc(x_5);
+lean_dec(x_3);
+lean_inc(x_1);
+x_6 = lean_apply_1(x_1, x_4);
+x_7 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_8 = lean_usize_mix_hash(x_2, x_7);
+x_2 = x_8;
+x_3 = x_5;
+goto _start;
+}
+}
+}
+lean_object* l_List_foldl___main___at_List_hash___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_List_foldl___main___at_List_hash___spec__1___rarg___boxed), 3, 0);
+return x_2;
+}
+}
+size_t l_List_hash___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+size_t x_3; size_t x_4; 
+x_3 = 7;
+x_4 = l_List_foldl___main___at_List_hash___spec__1___rarg(x_1, x_3, x_2);
+return x_4;
+}
+}
+lean_object* l_List_hash(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_List_hash___rarg___boxed), 2, 0);
+return x_2;
+}
+}
+lean_object* l_List_foldl___main___at_List_hash___spec__1___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+size_t x_4; size_t x_5; lean_object* x_6; 
+x_4 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_5 = l_List_foldl___main___at_List_hash___spec__1___rarg(x_1, x_4, x_3);
+x_6 = lean_box_usize(x_5);
+return x_6;
+}
+}
+lean_object* l_List_hash___rarg___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+size_t x_3; lean_object* x_4; 
+x_3 = l_List_hash___rarg(x_1, x_2);
+x_4 = lean_box_usize(x_3);
+return x_4;
+}
+}
+lean_object* l_List_Hashable___rarg(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_List_hash___rarg___boxed), 2, 1);
+lean_closure_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* l_List_Hashable(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_List_Hashable___rarg), 1, 0);
+return x_2;
+}
+}
 lean_object* initialize_Init_Data_UInt(lean_object*);
 lean_object* initialize_Init_Data_String_Default(lean_object*);
 static bool _G_initialized = false;
diff --git a/stage0/library/Init/Lean/Compiler/ClosedTermCache.c b/stage0/library/Init/Lean/Compiler/ClosedTermCache.c
index 193b5ca898..dfbaaa28cb 100644
--- a/stage0/library/Init/Lean/Compiler/ClosedTermCache.c
+++ b/stage0/library/Init/Lean/Compiler/ClosedTermCache.c
@@ -29,7 +29,7 @@ lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_getClosedTermName___
 extern lean_object* l_Lean_registerPersistentEnvExtensionUnsafe___rarg___closed__2;
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_Lean_closedTermCacheExt___elambda__2(lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkClosedTermCacheExtension___spec__17(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_closedTermCacheExt___elambda__4___boxed(lean_object*);
 lean_object* lean_cache_closed_term_name(lean_object*, lean_object*, lean_object*);
@@ -256,7 +256,7 @@ else
 lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; size_t x_13; size_t x_14; size_t x_15; size_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 x_9 = lean_array_fget(x_4, x_5);
 x_10 = lean_array_fget(x_3, x_5);
-x_11 = lean_expr_hash(x_9);
+x_11 = l_Lean_Expr_hash(x_9);
 x_12 = 1;
 x_13 = x_1 - x_12;
 x_14 = 5;
@@ -595,7 +595,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = lean_expr_hash(x_2);
+x_7 = l_Lean_Expr_hash(x_2);
 x_8 = 1;
 x_9 = l_PersistentHashMap_insertAux___main___at_Lean_mkClosedTermCacheExtension___spec__3(x_5, x_7, x_8, x_2, x_3);
 x_10 = lean_unsigned_to_nat(1u);
@@ -613,7 +613,7 @@ x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_1);
-x_14 = lean_expr_hash(x_2);
+x_14 = l_Lean_Expr_hash(x_2);
 x_15 = 1;
 x_16 = l_PersistentHashMap_insertAux___main___at_Lean_mkClosedTermCacheExtension___spec__3(x_12, x_14, x_15, x_2, x_3);
 x_17 = lean_unsigned_to_nat(1u);
@@ -672,7 +672,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; le
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = lean_expr_hash(x_4);
+x_7 = l_Lean_Expr_hash(x_4);
 x_8 = lean_usize_modn(x_7, x_6);
 lean_dec(x_6);
 x_9 = lean_array_uget(x_1, x_8);
@@ -693,7 +693,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = lean_expr_hash(x_12);
+x_16 = l_Lean_Expr_hash(x_12);
 x_17 = lean_usize_modn(x_16, x_15);
 lean_dec(x_15);
 x_18 = lean_array_uget(x_1, x_17);
@@ -840,7 +840,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; le
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = lean_expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_2);
 x_9 = lean_usize_modn(x_8, x_7);
 x_10 = lean_array_uget(x_6, x_9);
 x_11 = l_AssocList_contains___main___at_Lean_mkClosedTermCacheExtension___spec__7(x_2, x_10);
@@ -890,7 +890,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = lean_expr_hash(x_2);
+x_23 = l_Lean_Expr_hash(x_2);
 x_24 = lean_usize_modn(x_23, x_22);
 x_25 = lean_array_uget(x_21, x_24);
 x_26 = l_AssocList_contains___main___at_Lean_mkClosedTermCacheExtension___spec__7(x_2, x_25);
@@ -2428,7 +2428,7 @@ _start:
 {
 lean_object* x_3; size_t x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_1, 0);
-x_4 = lean_expr_hash(x_2);
+x_4 = l_Lean_Expr_hash(x_2);
 x_5 = l_PersistentHashMap_findAux___main___at_Lean_getClosedTermName___spec__3(x_3, x_4, x_2);
 return x_5;
 }
@@ -2471,7 +2471,7 @@ _start:
 lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; lean_object* x_7; lean_object* x_8; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = lean_expr_hash(x_2);
+x_5 = l_Lean_Expr_hash(x_2);
 x_6 = lean_usize_modn(x_5, x_4);
 lean_dec(x_4);
 x_7 = lean_array_uget(x_3, x_6);
diff --git a/stage0/library/Init/Lean/Compiler/ConstFolding.c b/stage0/library/Init/Lean/Compiler/ConstFolding.c
index 0eb8bc28f5..bd5f89c138 100644
--- a/stage0/library/Init/Lean/Compiler/ConstFolding.c
+++ b/stage0/library/Init/Lean/Compiler/ConstFolding.c
@@ -56,6 +56,7 @@ lean_object* l_Lean_Compiler_getNumLit___main(lean_object*);
 lean_object* l_Lean_Compiler_getBoolLit___closed__2;
 lean_object* l_Lean_Compiler_numScalarTypes___closed__5;
 lean_object* l_Lean_Compiler_mkNatLe___closed__4;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_unFoldFns___closed__7;
 lean_object* l_Lean_Compiler_natFoldFns___closed__12;
 extern lean_object* l_Nat_HasMod___closed__1;
@@ -69,7 +70,6 @@ lean_object* l_Lean_Compiler_preUIntBinFoldFns___closed__1;
 lean_object* l_Lean_Compiler_foldStrictOr(uint8_t);
 lean_object* l_Lean_Compiler_foldUIntSub___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_unFoldFns___closed__3;
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 uint8_t l_Lean_Compiler_isToNat(lean_object*);
 lean_object* l_Lean_Compiler_foldNatDecLe___closed__2;
 lean_object* l_Lean_Compiler_foldBinUInt(lean_object*, uint8_t, lean_object*, lean_object*);
@@ -94,6 +94,7 @@ lean_object* l_Lean_Compiler_numScalarTypes___closed__21;
 lean_object* l_Lean_Compiler_boolFoldFns___closed__2;
 lean_object* l_Lean_Compiler_natFoldFns___closed__39;
 lean_object* l_Lean_Compiler_natFoldFns___closed__31;
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_getBoolLit___closed__3;
 lean_object* l_Lean_Compiler_foldUIntAdd___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_foldl___main___at_Lean_Compiler_uintBinFoldFns___spec__2(lean_object*, lean_object*);
@@ -123,7 +124,6 @@ lean_object* l_Lean_Compiler_natFoldFns___closed__16;
 lean_object* l_Lean_Compiler_foldUIntDiv___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_natFoldFns___closed__7;
 lean_object* l_Lean_Compiler_foldBinOp___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_getBoolLit___closed__4;
 extern lean_object* l_Lean_Level_one;
 lean_object* l_List_foldr___main___at_Lean_Compiler_isOfNat___spec__1___boxed(lean_object*, lean_object*, lean_object*);
@@ -998,14 +998,14 @@ lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_obj
 x_3 = lean_ctor_get(x_1, 2);
 lean_inc(x_3);
 x_4 = lean_box(0);
-x_5 = lean_expr_mk_const(x_3, x_4);
+x_5 = l_Lean_mkConst(x_3, x_4);
 x_6 = lean_ctor_get(x_1, 4);
 lean_inc(x_6);
 lean_dec(x_1);
 x_7 = lean_nat_mod(x_2, x_6);
 lean_dec(x_6);
 x_8 = l_Lean_mkNatLit(x_7);
-x_9 = lean_expr_mk_app(x_5, x_8);
+x_9 = l_Lean_mkApp(x_5, x_8);
 return x_9;
 }
 }
@@ -2068,7 +2068,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_mkNatEq___closed__2;
 x_2 = l_Lean_Compiler_mkNatEq___closed__3;
-x_3 = lean_expr_mk_const(x_1, x_2);
+x_3 = l_Lean_mkConst(x_1, x_2);
 return x_3;
 }
 }
@@ -2078,7 +2078,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Literal_type___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -2169,7 +2169,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_mkNatLt___closed__4;
 x_2 = l_Lean_Compiler_mkNatLt___closed__5;
-x_3 = lean_expr_mk_const(x_1, x_2);
+x_3 = l_Lean_mkConst(x_1, x_2);
 return x_3;
 }
 }
@@ -2189,7 +2189,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_mkNatLt___closed__7;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -2251,7 +2251,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_mkNatLe___closed__2;
 x_2 = l_Lean_Compiler_mkNatLt___closed__5;
-x_3 = lean_expr_mk_const(x_1, x_2);
+x_3 = l_Lean_mkConst(x_1, x_2);
 return x_3;
 }
 }
@@ -2279,7 +2279,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_mkNatLe___closed__5;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
diff --git a/stage0/library/Init/Lean/Compiler/Specialize.c b/stage0/library/Init/Lean/Compiler/Specialize.c
index 671cdf7f5b..a6575775bc 100644
--- a/stage0/library/Init/Lean/Compiler/Specialize.c
+++ b/stage0/library/Init/Lean/Compiler/Specialize.c
@@ -37,7 +37,7 @@ lean_object* l_Lean_registerEnumAttributes___at_Lean_Compiler_mkSpecializeAttrs_
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_Lean_registerEnumAttributes___at_Lean_Compiler_mkSpecializeAttrs___spec__1___closed__1;
 lean_object* l_Array_iterateMAux___main___at_Lean_Compiler_mkSpecExtension___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_HashMapImp_find___at_Lean_Compiler_getCachedSpecialization___spec__5(lean_object*, lean_object*);
 extern lean_object* l_Lean_EnvExtension_Inhabited___rarg___closed__1;
 lean_object* l_Lean_Compiler_SpecState_Inhabited___closed__2;
@@ -3366,7 +3366,7 @@ else
 lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; size_t x_13; size_t x_14; size_t x_15; size_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 x_9 = lean_array_fget(x_4, x_5);
 x_10 = lean_array_fget(x_3, x_5);
-x_11 = lean_expr_hash(x_9);
+x_11 = l_Lean_Expr_hash(x_9);
 x_12 = 1;
 x_13 = x_1 - x_12;
 x_14 = 5;
@@ -3705,7 +3705,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = lean_expr_hash(x_2);
+x_7 = l_Lean_Expr_hash(x_2);
 x_8 = 1;
 x_9 = l_PersistentHashMap_insertAux___main___at_Lean_Compiler_SpecState_addEntry___spec__14(x_5, x_7, x_8, x_2, x_3);
 x_10 = lean_unsigned_to_nat(1u);
@@ -3723,7 +3723,7 @@ x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_1);
-x_14 = lean_expr_hash(x_2);
+x_14 = l_Lean_Expr_hash(x_2);
 x_15 = 1;
 x_16 = l_PersistentHashMap_insertAux___main___at_Lean_Compiler_SpecState_addEntry___spec__14(x_12, x_14, x_15, x_2, x_3);
 x_17 = lean_unsigned_to_nat(1u);
@@ -3782,7 +3782,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; le
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = lean_expr_hash(x_4);
+x_7 = l_Lean_Expr_hash(x_4);
 x_8 = lean_usize_modn(x_7, x_6);
 lean_dec(x_6);
 x_9 = lean_array_uget(x_1, x_8);
@@ -3803,7 +3803,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = lean_expr_hash(x_12);
+x_16 = l_Lean_Expr_hash(x_12);
 x_17 = lean_usize_modn(x_16, x_15);
 lean_dec(x_15);
 x_18 = lean_array_uget(x_1, x_17);
@@ -3950,7 +3950,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; le
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = lean_expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_2);
 x_9 = lean_usize_modn(x_8, x_7);
 x_10 = lean_array_uget(x_6, x_9);
 x_11 = l_AssocList_contains___main___at_Lean_Compiler_SpecState_addEntry___spec__18(x_2, x_10);
@@ -4000,7 +4000,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = lean_expr_hash(x_2);
+x_23 = l_Lean_Expr_hash(x_2);
 x_24 = lean_usize_modn(x_23, x_22);
 x_25 = lean_array_uget(x_21, x_24);
 x_26 = l_AssocList_contains___main___at_Lean_Compiler_SpecState_addEntry___spec__18(x_2, x_25);
@@ -5912,7 +5912,7 @@ _start:
 {
 lean_object* x_3; size_t x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_1, 0);
-x_4 = lean_expr_hash(x_2);
+x_4 = l_Lean_Expr_hash(x_2);
 x_5 = l_PersistentHashMap_findAux___main___at_Lean_Compiler_getCachedSpecialization___spec__3(x_3, x_4, x_2);
 return x_5;
 }
@@ -5955,7 +5955,7 @@ _start:
 lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; lean_object* x_7; lean_object* x_8; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = lean_expr_hash(x_2);
+x_5 = l_Lean_Expr_hash(x_2);
 x_6 = lean_usize_modn(x_5, x_4);
 lean_dec(x_4);
 x_7 = lean_array_uget(x_3, x_6);
diff --git a/stage0/library/Init/Lean/Compiler/Util.c b/stage0/library/Init/Lean/Compiler/Util.c
index c420be253f..6d11581f7f 100644
--- a/stage0/library/Init/Lean/Compiler/Util.c
+++ b/stage0/library/Init/Lean/Compiler/Util.c
@@ -15,15 +15,16 @@ extern "C" {
 #endif
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_atMostOnce_HasAndthen;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_atMostOnce_seq(lean_object*, lean_object*, lean_object*);
 uint8_t l_String_isPrefixOf(lean_object*, lean_object*);
 lean_object* l_List_map___main___at___private_Init_Lean_Compiler_Util_1__getDeclNamesForCodeGen___spec__1(lean_object*);
 lean_object* l_Lean_Compiler_mkLcProof___closed__3;
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 uint8_t lean_at_most_once(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_atMostOnce_HasAndthen___closed__1;
 lean_object* l_Lean_Compiler_atMostOnce_visit___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_unreachableExpr___closed__2;
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 uint8_t l_Lean_Compiler_isEagerLambdaLiftingName___main(lean_object*);
 lean_object* l_Lean_Compiler_atMostOnce_visit___main___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_checkIsDefinition___closed__3;
@@ -31,7 +32,6 @@ lean_object* l_Lean_Compiler_mkLcProof(lean_object*);
 lean_object* l_Lean_Compiler_objectType___closed__3;
 lean_object* l_Nat_repr(lean_object*);
 lean_object* l_Lean_Compiler_neutralExpr___closed__1;
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_objectType;
 lean_object* l_Lean_Compiler_neutralExpr___closed__3;
 lean_object* lean_string_append(lean_object*, lean_object*);
@@ -94,7 +94,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_neutralExpr___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -130,7 +130,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_unreachableExpr___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -166,7 +166,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_objectType___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -202,7 +202,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_voidType___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -238,7 +238,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Compiler_mkLcProof___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -247,7 +247,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = l_Lean_Compiler_mkLcProof___closed__3;
-x_3 = lean_expr_mk_app(x_2, x_1);
+x_3 = l_Lean_mkApp(x_2, x_1);
 return x_3;
 }
 }
diff --git a/stage0/library/Init/Lean/Declaration.c b/stage0/library/Init/Lean/Declaration.c
index d2874b120a..341070ae25 100644
--- a/stage0/library/Init/Lean/Declaration.c
+++ b/stage0/library/Init/Lean/Declaration.c
@@ -28,6 +28,7 @@ lean_object* l_Lean_InductiveVal_nctors___boxed(lean_object*);
 lean_object* l_Lean_ConstantInfo_lparams(lean_object*);
 lean_object* l_Lean_ConstantInfo_isCtor___boxed(lean_object*);
 uint8_t l_Lean_ConstantInfo_hasValue(lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Lean_Name_getPrefix(lean_object*);
 uint8_t l_Lean_ConstantInfo_isCtor(lean_object*);
 lean_object* lean_instantiate_value_lparams(lean_object*, lean_object*);
@@ -40,7 +41,6 @@ lean_object* l_Lean_InductiveVal_nctors(lean_object*);
 lean_object* l___private_Init_Util_1__mkPanicMessage(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_RecursorVal_getMajorIdx(lean_object*);
 lean_object* l_Lean_ConstantInfo_value_x3f___boxed(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l_Lean_ConstantInfo_hints(lean_object*);
 lean_object* l_Lean_ConstantInfo_value_x21___closed__1;
 lean_object* l_Lean_ConstantInfo_toConstantVal___boxed(lean_object*);
@@ -321,7 +321,7 @@ return x_6;
 default: 
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_7 = l_Lean_Expr_inhabited;
+x_7 = l_Lean_Expr_Inhabited;
 x_8 = l_Lean_ConstantInfo_value_x21___closed__3;
 x_9 = lean_panic_fn(x_8);
 return x_9;
diff --git a/stage0/library/Init/Lean/Elaborator/Basic.c b/stage0/library/Init/Lean/Elaborator/Basic.c
index 29ff5dc3a7..ad3882aa36 100644
--- a/stage0/library/Init/Lean/Elaborator/Basic.c
+++ b/stage0/library/Init/Lean/Elaborator/Basic.c
@@ -145,6 +145,7 @@ lean_object* lean_io_ref_set(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_empty___at_Lean_mkBuiltinTermElabTable___spec__3;
 lean_object* l_Lean_Elab_runElab___at_Lean_Elab_processCommand___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_Elab_processHeaderAux___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_updateCmdPos___boxed(lean_object*);
 extern lean_object* l_Lean_Options_empty;
 lean_object* l_Lean_Elab_anonymousInstNamePrefix;
@@ -161,7 +162,6 @@ lean_object* l_Lean_Elab_getEnv___boxed(lean_object*);
 lean_object* l_Lean_Elab_getScope(lean_object*);
 lean_object* l_PersistentHashMap_containsAtAux___main___at_Lean_addBuiltinTermElab___spec__6___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_contains___at_Lean_addBuiltinCommandElab___spec__4___boxed(lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* lean_mk_empty_environment(uint32_t, lean_object*);
 lean_object* l_Lean_commandElabAttribute___closed__1;
@@ -196,7 +196,6 @@ lean_object* l_Lean_Elab_modifyScope___at_Lean_Elab_withInPattern___spec__1(lean
 lean_object* l_Lean_Elab_mkMessage___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkBuiltinCommandElabTable(lean_object*);
 lean_object* l_Lean_Elab_updateCmdPos(lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 extern lean_object* l_Lean_NameGenerator_Inhabited___closed__3;
 lean_object* l_Lean_Elab_getNamespace(lean_object*);
 lean_object* l_Lean_Elab_logErrorAt___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -242,6 +241,7 @@ lean_object* l_Lean_addBuiltinTermElab___closed__1;
 lean_object* l_Lean_Syntax_getId___rarg(lean_object*);
 lean_object* l_Lean_OpenDecl_HasToString___closed__1;
 lean_object* l_Lean_addBuiltinTermElab(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_Lean_registerBuiltinCommandElabAttr___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
 lean_object* l_System_FilePath_dirName(lean_object*);
 lean_object* l_Lean_Name_appendIndexAfter(lean_object*, lean_object*);
@@ -3793,7 +3793,7 @@ x_9 = l_Lean_nameToExprAux___main(x_3);
 lean_inc(x_4);
 x_10 = l_Lean_nameToExprAux___main(x_4);
 lean_inc(x_4);
-x_11 = lean_expr_mk_const(x_4, x_8);
+x_11 = l_Lean_mkConst(x_4, x_8);
 x_12 = l_Lean_Parser_declareBuiltinParser___closed__6;
 x_13 = lean_array_push(x_12, x_9);
 x_14 = lean_array_push(x_13, x_10);
@@ -11118,7 +11118,7 @@ if (x_10 == 0)
 lean_object* x_11; lean_object* x_12; 
 x_11 = lean_ctor_get(x_9, 0);
 lean_dec(x_11);
-x_12 = lean_expr_mk_fvar(x_7);
+x_12 = l_Lean_mkFVar(x_7);
 lean_ctor_set(x_9, 0, x_12);
 return x_9;
 }
@@ -11128,7 +11128,7 @@ lean_object* x_13; lean_object* x_14; lean_object* x_15;
 x_13 = lean_ctor_get(x_9, 1);
 lean_inc(x_13);
 lean_dec(x_9);
-x_14 = lean_expr_mk_fvar(x_7);
+x_14 = l_Lean_mkFVar(x_7);
 x_15 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_15, 0, x_14);
 lean_ctor_set(x_15, 1, x_13);
diff --git a/stage0/library/Init/Lean/Elaborator/PreTerm.c b/stage0/library/Init/Lean/Elaborator/PreTerm.c
index ee98c0ea78..50518a8d0e 100644
--- a/stage0/library/Init/Lean/Elaborator/PreTerm.c
+++ b/stage0/library/Init/Lean/Elaborator/PreTerm.c
@@ -17,7 +17,6 @@ lean_object* l___regBuiltinTermElab_Lean_Elab_convertId(lean_object*);
 extern lean_object* l_Lean_Parser_Level_num___elambda__1___rarg___closed__2;
 lean_object* l_Lean_mkPreTypeAscription___closed__3;
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__2;
-lean_object* lean_expr_mk_mdata(lean_object*, lean_object*);
 lean_object* l_unsafeCast(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinPreTermElab(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSorry___closed__1;
@@ -28,9 +27,7 @@ lean_object* l_Lean_registerBuiltinPreTermElabAttr___closed__3;
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___closed__5;
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__6;
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1;
 lean_object* lean_local_ctx_find_from_user_name(lean_object*, lean_object*);
-lean_object* lean_expr_mk_sort(lean_object*);
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getKind___rarg(lean_object*);
 lean_object* l_HashMapImp_find___at_Lean_Elab_toPreTerm___spec__1(lean_object*, lean_object*);
@@ -44,6 +41,7 @@ lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_IO_println___at_HasRepr_HasEval___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_builtinPreTermElabTable;
 lean_object* l_Lean_Elab_convertType___rarg(lean_object*);
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___boxed(lean_object*);
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_1__setPos___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_toLevel___main___closed__4;
 lean_object* l_Lean_Elab_mkForall(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -55,6 +53,7 @@ extern lean_object* l_Lean_AttributeImpl_inhabited___closed__5;
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_4__processBinder___closed__1;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertHole___closed__3;
 extern lean_object* l_Lean_Parser_Level_max___elambda__1___closed__1;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_HashMapImp_insert___at_Lean_addBuiltinPreTermElab___spec__3(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_addBuiltinTermElab___closed__2;
 extern lean_object* l_Lean_Parser_Term_binderDefault___elambda__1___rarg___closed__1;
@@ -72,7 +71,6 @@ lean_object* lean_level_mk_mvar(lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSortApp___closed__1;
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___closed__7;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertId___closed__3;
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_convertSort___boxed(lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertType___closed__5;
 lean_object* l_Lean_mkPreTypeAscriptionIfSome(lean_object*, lean_object*);
@@ -93,14 +91,15 @@ lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Elaborator_PreTerm_5__processBinders___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_AssocList_contains___main___at_Lean_addBuiltinPreTermElab___spec__2(lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertProp___closed__1;
+lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertForall___closed__1;
 extern lean_object* l_Lean_Parser_Term_sorry___elambda__1___rarg___closed__2;
 lean_object* lean_io_ref_set(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___closed__4;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSortApp___closed__3;
 extern lean_object* l_Lean_Options_empty;
 lean_object* l_Lean_mkPreTypeAscription___closed__2;
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3;
 extern lean_object* l_Lean_Parser_Term_explicitBinder___elambda__1___closed__2;
 lean_object* l_Lean_Elab_toLevel___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_toPreTerm___closed__2;
@@ -109,7 +108,6 @@ lean_object* l_Lean_declareBuiltinPreTermElab___closed__2;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertType___closed__1;
 lean_object* l_Lean_Level_ofNat___main(lean_object*);
 lean_object* l_AssocList_find___main___at_Lean_Elab_toPreTerm___spec__2(lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* l_IO_Prim_Ref_get___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertType___closed__3;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSort___closed__2;
@@ -127,7 +125,6 @@ lean_object* l___private_Init_Lean_Elaborator_PreTerm_1__setPos___closed__1;
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___closed__1;
 lean_object* l_HashMapImp_find___at_Lean_Elab_toPreTerm___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_registerBuiltinPreTermElabAttr(lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_convertSort(lean_object*, lean_object*);
 lean_object* l_Lean_mkAsPattern(lean_object*, lean_object*);
 size_t lean_name_hash_usize(lean_object*);
@@ -138,6 +135,7 @@ lean_object* lean_old_elaborate(lean_object*, lean_object*, lean_object*, lean_o
 lean_object* l_Lean_Syntax_getArg___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_toLevel___main___closed__2;
 extern lean_object* l_Lean_Parser_Term_prop___elambda__1___rarg___closed__2;
+lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Elab_convertSortApp(lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_hole___elambda__1___rarg___closed__1;
@@ -146,6 +144,7 @@ lean_object* l_Lean_KVMap_setName(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_sort___elambda__1___rarg___closed__2;
 uint8_t l_Lean_Syntax_isOfKind___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_convertHole___boxed(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited;
 extern lean_object* l_Lean_Parser_Level_addLit___elambda__1___closed__2;
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_type___elambda__1___rarg___closed__2;
@@ -158,6 +157,7 @@ lean_object* l_Lean_mkPreTypeAscription(lean_object*, lean_object*);
 extern lean_object* l_Lean_addBuiltinTermElab___closed__1;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertType___closed__4;
 lean_object* l_Lean_Syntax_getId___rarg(lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_Lean_Elab_getUniverses___rarg(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_5__processBinders(lean_object*, lean_object*, lean_object*);
@@ -166,11 +166,11 @@ lean_object* l___regBuiltinTermElab_Lean_Elab_convertProp(lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSorry___closed__2;
 uint8_t l_HashMapImp_contains___at_Lean_addBuiltinPreTermElab___spec__1(lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2;
 extern lean_object* l_Lean_Parser_Term_sortApp___elambda__1___closed__2;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_explicitUniv___elambda__1___closed__2;
 lean_object* l_Lean_Elab_convertSort___rarg(lean_object*);
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_Elab_toLevel___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_instBinder___elambda__1___rarg___closed__2;
 lean_object* l_List_head_x21___at_Lean_Elab_getScope___spec__1(lean_object*);
@@ -194,13 +194,12 @@ uint8_t l_List_elem___main___at_Lean_Parser_addBuiltinLeadingParser___spec__4(le
 lean_object* l_HashMapImp_expand___at_Lean_addBuiltinPreTermElab___spec__4(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Array_append___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertType(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 extern lean_object* l_Lean_Level_one___closed__1;
 lean_object* l_AssocList_foldlM___main___at_Lean_addBuiltinPreTermElab___spec__6(lean_object*, lean_object*);
 lean_object* l_Lean_mkAsIs___closed__2;
 lean_object* l_HashMapImp_moveEntries___main___at_Lean_addBuiltinPreTermElab___spec__5(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1;
 lean_object* l_Lean_Elab_convertSorry___rarg___closed__2;
-lean_object* lean_expr_mk_mvar(lean_object*);
 lean_object* l_Lean_Elab_toPreTerm___closed__3;
 lean_object* lean_level_mk_param(lean_object*);
 extern lean_object* l_Lean_Parser_Term_app___elambda__1___closed__2;
@@ -214,7 +213,7 @@ lean_object* l_Lean_Elab_toLevel___main___closed__1;
 lean_object* lean_io_ref_get(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_4__processBinder(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mkAnnotation___closed__1;
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2;
+lean_object* l_Lean_mkMData(lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__1;
 size_t lean_usize_modn(size_t, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertId___closed__1;
@@ -237,10 +236,10 @@ lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_convertType___boxed(lean_object*, lean_object*);
 lean_object* l_mkHashMapImp___rarg(lean_object*);
 extern lean_object* l_Lean_Parser_Term_binderTactic___elambda__1___rarg___closed__1;
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertSortApp(lean_object*);
 extern lean_object* l_Lean_Parser_Level_ident___elambda__1___rarg___closed__1;
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___lambda__1___closed__2;
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 extern lean_object* l_Lean_nameToExprAux___main___closed__4;
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_4__processBinder___closed__2;
 extern lean_object* l_Lean_Parser_Term_forall___elambda__1___closed__2;
@@ -251,6 +250,7 @@ lean_object* l_Lean_Syntax_toNat___rarg(lean_object*);
 lean_object* l_Lean_Syntax_getPos___rarg(lean_object*);
 extern lean_object* l_Lean_Parser_Level_imax___elambda__1___closed__1;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertHole___closed__2;
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux(lean_object*);
 lean_object* l_Lean_Elab_convertProp(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_getScope___rarg(lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
@@ -283,12 +283,12 @@ lean_object* l_Lean_Elab_convertForall___boxed(lean_object*, lean_object*, lean_
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_4__processBinder___closed__4;
 lean_object* lean_level_mk_max(lean_object*, lean_object*);
 lean_object* l_Lean_registerBuiltinPreTermElabAttr___lambda__1___closed__5;
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3;
 lean_object* l___regBuiltinTermElab_Lean_Elab_convertProp___closed__3;
 lean_object* l_Lean_declareBuiltinPreTermElab(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTagAttribute___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Elaborator_PreTerm_5__processBinders___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_String_splitAux___main___closed__1;
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___boxed(lean_object*);
 lean_object* l___private_Init_Lean_Elaborator_PreTerm_5__processBinders___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_toPreTerm___closed__4;
 lean_object* l_Lean_oldElaborateAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
@@ -1259,7 +1259,7 @@ lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6;
 x_3 = lean_box(0);
 x_4 = l_Lean_Expr_mkAnnotation___closed__2;
 x_5 = l_Lean_KVMap_setName(x_3, x_4, x_1);
-x_6 = lean_expr_mk_mdata(x_5, x_2);
+x_6 = l_Lean_mkMData(x_5, x_2);
 return x_6;
 }
 }
@@ -1312,8 +1312,8 @@ lean_object* l_Lean_mkAsPattern(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_3 = lean_expr_mk_fvar(x_1);
-x_4 = lean_expr_mk_app(x_3, x_2);
+x_3 = l_Lean_mkFVar(x_1);
+x_4 = l_Lean_mkApp(x_3, x_2);
 x_5 = l_Lean_mkAsPattern___closed__2;
 x_6 = l_Lean_Expr_mkAnnotation(x_5, x_4);
 return x_6;
@@ -1343,7 +1343,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_mkPreTypeAscription___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -1352,8 +1352,8 @@ _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_3 = l_Lean_mkPreTypeAscription___closed__3;
-x_4 = lean_expr_mk_app(x_3, x_2);
-x_5 = lean_expr_mk_app(x_4, x_1);
+x_4 = l_Lean_mkApp(x_3, x_2);
+x_5 = l_Lean_mkApp(x_4, x_1);
 return x_5;
 }
 }
@@ -2035,7 +2035,7 @@ lean_inc(x_16);
 lean_dec(x_11);
 x_17 = l___private_Init_Lean_Elaborator_PreTerm_1__setPos___closed__4;
 x_18 = l_Lean_KVMap_setNat(x_15, x_17, x_16);
-x_19 = lean_expr_mk_mdata(x_18, x_2);
+x_19 = l_Lean_mkMData(x_18, x_2);
 x_20 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_20, 0, x_19);
 lean_ctor_set(x_20, 1, x_4);
@@ -2294,7 +2294,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = lean_box(0);
-x_2 = lean_expr_mk_mvar(x_1);
+x_2 = l_Lean_mkMVar(x_1);
 return x_2;
 }
 }
@@ -2322,7 +2322,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = l_Lean_Level_one___closed__1;
-x_2 = lean_expr_mk_sort(x_1);
+x_2 = l_Lean_mkSort(x_1);
 return x_2;
 }
 }
@@ -2414,7 +2414,7 @@ lean_object* l_Lean_Elab_convertSort___rarg(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_inhabited___closed__1;
+x_2 = l_Lean_Expr_getAppArgs___closed__1;
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
@@ -2480,7 +2480,7 @@ lean_object* l_Lean_Elab_convertProp___rarg(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_inhabited___closed__1;
+x_2 = l_Lean_Expr_getAppArgs___closed__1;
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
@@ -2567,7 +2567,7 @@ lean_dec(x_7);
 if (x_14 == 0)
 {
 lean_object* x_15; 
-x_15 = lean_expr_mk_sort(x_12);
+x_15 = l_Lean_mkSort(x_12);
 lean_ctor_set(x_10, 0, x_15);
 return x_10;
 }
@@ -2575,7 +2575,7 @@ else
 {
 lean_object* x_16; lean_object* x_17; 
 x_16 = lean_level_mk_succ(x_12);
-x_17 = lean_expr_mk_sort(x_16);
+x_17 = l_Lean_mkSort(x_16);
 lean_ctor_set(x_10, 0, x_17);
 return x_10;
 }
@@ -2594,7 +2594,7 @@ lean_dec(x_7);
 if (x_21 == 0)
 {
 lean_object* x_22; lean_object* x_23; 
-x_22 = lean_expr_mk_sort(x_18);
+x_22 = l_Lean_mkSort(x_18);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_19);
@@ -2604,7 +2604,7 @@ else
 {
 lean_object* x_24; lean_object* x_25; lean_object* x_26; 
 x_24 = lean_level_mk_succ(x_18);
-x_25 = lean_expr_mk_sort(x_24);
+x_25 = l_Lean_mkSort(x_24);
 x_26 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_26, 0, x_25);
 lean_ctor_set(x_26, 1, x_19);
@@ -2684,7 +2684,7 @@ x_5 = l_Lean_addBuiltinPreTermElab(x_2, x_3, x_4, x_1);
 return x_5;
 }
 }
-lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1() {
+lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -2692,7 +2692,7 @@ x_1 = lean_mk_string("Init.Lean.Elaborator.PreTerm");
 return x_1;
 }
 }
-lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2() {
+lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -2700,33 +2700,33 @@ x_1 = lean_mk_string("to be deleted");
 return x_1;
 }
 }
-lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3() {
+lean_object* _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1;
+x_1 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1;
 x_2 = lean_unsigned_to_nat(141u);
 x_3 = lean_unsigned_to_nat(0u);
-x_4 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2;
+x_4 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal(lean_object* x_1) {
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Expr_inhabited;
-x_3 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3;
+x_2 = l_Lean_Expr_Inhabited;
+x_3 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3;
 x_4 = lean_panic_fn(x_3);
 return x_4;
 }
 }
-lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___boxed(lean_object* x_1) {
+lean_object* l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal(x_1);
+x_2 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux(x_1);
 lean_dec(x_1);
 return x_2;
 }
@@ -2781,7 +2781,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__5;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -2977,8 +2977,8 @@ x_51 = lean_ctor_get(x_49, 1);
 lean_inc(x_51);
 lean_dec(x_49);
 x_52 = l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__6;
-x_53 = lean_expr_mk_app(x_52, x_26);
-x_54 = lean_expr_mk_app(x_53, x_50);
+x_53 = l_Lean_mkApp(x_52, x_26);
+x_54 = l_Lean_mkApp(x_53, x_50);
 x_55 = 0;
 x_56 = l_Lean_Elab_mkLocalDecl(x_25, x_54, x_55, x_6, x_51);
 x_57 = lean_ctor_get(x_56, 0);
@@ -3940,7 +3940,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Elab_convertSorry___rarg___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -3950,7 +3950,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_convertSorry___rarg___closed__3;
 x_2 = l___private_Init_Lean_Elaborator_PreTerm_2__mkHoleFor___closed__1;
-x_3 = lean_expr_mk_app(x_1, x_2);
+x_3 = l_Lean_mkApp(x_1, x_2);
 return x_3;
 }
 }
@@ -4068,7 +4068,7 @@ lean_dec(x_12);
 x_21 = lean_ctor_get(x_13, 0);
 lean_inc(x_21);
 lean_dec(x_13);
-x_22 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal(x_21);
+x_22 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux(x_21);
 lean_dec(x_21);
 lean_ctor_set(x_5, 0, x_22);
 return x_5;
@@ -4109,7 +4109,7 @@ lean_dec(x_28);
 x_37 = lean_ctor_get(x_29, 0);
 lean_inc(x_37);
 lean_dec(x_29);
-x_38 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal(x_37);
+x_38 = l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux(x_37);
 lean_dec(x_37);
 x_39 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_39, 0, x_38);
@@ -4667,12 +4667,12 @@ lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_convertSortApp___closed__3
 res = l___regBuiltinTermElab_Lean_Elab_convertSortApp(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1();
-lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__1);
-l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2();
-lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__2);
-l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3();
-lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocal___closed__3);
+l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1();
+lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__1);
+l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2();
+lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__2);
+l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3 = _init_l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3();
+lean_mark_persistent(l___private_Init_Lean_Elaborator_PreTerm_3__mkLocalAux___closed__3);
 l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__1 = _init_l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__1();
 lean_mark_persistent(l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__1);
 l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__2 = _init_l_Array_umapMAux___main___at___private_Init_Lean_Elaborator_PreTerm_4__processBinder___spec__1___closed__2();
diff --git a/stage0/library/Init/Lean/Expr.c b/stage0/library/Init/Lean/Expr.c
index f8ad4ce0c6..ca375256a4 100644
--- a/stage0/library/Init/Lean/Expr.c
+++ b/stage0/library/Init/Lean/Expr.c
@@ -13,307 +13,329 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-uint8_t l_Lean_ExprCachedData_hasLevelMVar(uint64_t);
+lean_object* l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___boxed__const__1;
+lean_object* l_Lean_Expr_mkCachedData___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_hasLooseBVars___boxed(lean_object*);
-lean_object* lean_expr_mk_mdata(lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN___boxed(lean_object*, lean_object*);
-uint8_t lean_expr_has_fvar(lean_object*);
+uint8_t l_Lean_Expr_hasFVar(lean_object*);
 uint64_t l_UInt32_toUInt64(uint32_t);
+lean_object* l_Lean_mkLet___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main___boxed(lean_object*, lean_object*);
-uint64_t l_Lean_mkExprCachedData___closed__2;
-uint32_t l_Lean_ExprCachedData_looseBVarRange(uint64_t);
-lean_object* l_Lean_Expr_lam___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Literal_type___closed__5;
 uint8_t lean_expr_quick_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_hash___boxed(lean_object*);
 lean_object* l_Lean_Expr_bvarIdx_x21___closed__2;
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main(lean_object*);
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 lean_object* l_Lean_Literal_type___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateProj___boxed(lean_object*, lean_object*, lean_object*);
+uint8_t lean_expr_binder_info(lean_object*);
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingName_x21___boxed(lean_object*);
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
+lean_object* lean_expr_mk_sort(lean_object*);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*);
 lean_object* l_Lean_ExprStructEq_HasRepr(lean_object*);
+lean_object* l___private_Init_Lean_Expr_6__mkAppRevRangeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MData_empty;
-lean_object* lean_expr_mk_forall(lean_object*, uint8_t, lean_object*, lean_object*);
-lean_object* lean_expr_mk_sort(lean_object*);
 extern lean_object* l_Nat_Inhabited;
+size_t l_Lean_Expr_CachedData_hash(uint64_t);
 lean_object* lean_expr_update_app(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateSort___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Expr_getLooseBVarRange___boxed(lean_object*);
 lean_object* l_Lean_Expr_getAppRevArgs(lean_object*);
 lean_object* l_Lean_Expr_updateConst___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_isLambda___boxed(lean_object*);
+lean_object* l_Lean_MVData_hasEmptc;
 lean_object* l_Lean_Expr_withApp(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isSort(lean_object*);
 lean_object* l_Lean_Expr_bvarIdx_x21(lean_object*);
 lean_object* l_Lean_Literal_type___closed__2;
 uint8_t l_Lean_Expr_isConst(lean_object*);
-lean_object* l_Lean_Expr_forallE___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_9__etaExpandedAux(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_CachedData_hash___boxed(lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_mkAppRev___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingName_x21___closed__1;
 lean_object* l_Lean_Expr_withAppAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-uint64_t l_Lean_mkExprCachedData___closed__4;
+lean_object* l_Lean_Expr_CachedData_hasLevelParam___boxed(lean_object*);
 lean_object* l_Lean_Expr_HasBeq___closed__1;
 lean_object* l_Lean_Expr_bindingBody_x21___boxed(lean_object*);
 lean_object* l_Lean_Expr_isAppOfArity___main___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateLambda_x21(lean_object*, uint8_t, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+size_t lean_expr_hash(lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
-lean_object* l_Lean_ExprCachedData_hash___boxed(lean_object*);
+lean_object* l_List_foldr___main___at_Lean_mkConst___spec__4___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_BinderInfo_isAuxDecl___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateMData_x21___closed__2;
 lean_object* l_Lean_Expr_updateLambdaE_x21(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_exprToExprStructEq(lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21___boxed(lean_object*);
+size_t l_List_hash___at_Lean_mkConst___spec__1(lean_object*);
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 lean_object* lean_expr_dbg_to_string(lean_object*);
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 uint64_t l_Lean_BinderInfo_toUInt64(uint8_t);
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 lean_object* l_Lean_mkStrLit(lean_object*);
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 lean_object* l_Lean_Expr_getAppFn___main(lean_object*);
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 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
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 lean_object* l_Lean_mkMVar(lean_object*);
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 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
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 uint64_t l_UInt64_add(uint64_t, uint64_t);
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 uint64_t l_Bool_toUInt64(uint8_t);
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 lean_object* l_Lean_mkAppRev(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
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 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
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 lean_object* l_Lean_Expr_constName_x21(lean_object*);
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 lean_object* l_Lean_mkCAppN(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLet(lean_object*);
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 uint64_t l_UInt64_shiftRight(uint64_t, uint64_t);
 lean_object* l_Lean_Expr_bvarIdx_x21___closed__1;
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 uint32_t l_UInt64_toUInt32(uint64_t);
 lean_object* l_Lean_Expr_getRevArgD(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
 uint8_t l_Lean_BinderInfo_isAuxDecl(uint8_t);
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 lean_object* l_Lean_Expr_isMData___boxed(lean_object*);
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 lean_object* l_Lean_Expr_updateForall_x21___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_withAppRev___rarg(lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_mvarId_x21___boxed(lean_object*);
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 lean_object* l_Lean_Expr_updateForall_x21(lean_object*, uint8_t, lean_object*, lean_object*);
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 uint64_t l_UInt64_shiftLeft(uint64_t, uint64_t);
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 lean_object* l_Lean_Expr_constLevels_x21___boxed(lean_object*);
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 lean_object* l_Lean_Expr_dbgToString___boxed(lean_object*);
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 lean_object* l_Lean_Expr_updateForallE_x21(lean_object*, lean_object*, lean_object*);
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 lean_object* lean_expr_update_const(lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_letName_x21(lean_object*);
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 lean_object* lean_expr_instantiate_range(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* lean_expr_update_proj(lean_object*, lean_object*);
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 size_t l_UInt32_toUSize(uint32_t);
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 lean_object* lean_expr_update_mdata(lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_getAppFn___main___boxed(lean_object*);
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 lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
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 uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t);
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 lean_object* l___private_Init_Util_1__mkPanicMessage(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* lean_expr_instantiate_rev(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isMData(lean_object*);
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 lean_object* l_Lean_Expr_fvarId_x21___boxed(lean_object*);
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 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_letName_x21___boxed(lean_object*);
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 lean_object* l_Lean_Expr_getArg_x21___boxed(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Expr_letName_x21___closed__1;
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+uint64_t l_Lean_Expr_mkCachedData(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uint8_t);
 lean_object* lean_expr_abstract_range(lean_object*, lean_object*, lean_object*);
 lean_object* l_panic(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Expr_proj___boxed(lean_object*, lean_object*, lean_object*);
+uint64_t l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
 lean_object* l_Lean_Expr_updateLambda_x21___closed__2;
 lean_object* l_Lean_Expr_appArg_x21___boxed(lean_object*);
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateConst_x21(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateLambda_x21___closed__1;
 lean_object* l_Lean_mkNatLit(lean_object*);
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 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_4__getAppRevArgsAux(lean_object*, lean_object*);
+size_t lean_usize_mix_hash(size_t, size_t);
 uint8_t lean_expr_lt(lean_object*, lean_object*);
-uint64_t l___private_Init_Lean_Expr_2__mkExprCachedDataCore(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
+lean_object* l_Lean_Expr_CachedData_hasLevelMVar___boxed(lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21___main___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingDomain_x21___closed__1;
-uint64_t l_Lean_mkExprCachedDataForBinder(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
-lean_object* l___private_Init_Lean_Expr_9__etaExpandedBody(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_expr_mk_lit(lean_object*);
+lean_object* l_Lean_Literal_hashable;
+lean_object* lean_expr_mk_let(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateApp___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_betaRev___boxed(lean_object*, lean_object*);
-lean_object* l_Lean_ExprCachedData_hasLevelMVar___boxed(lean_object*);
 lean_object* l_Lean_Expr_bvarIdx_x21___boxed(lean_object*);
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux(lean_object*);
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 lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_hasLevelMVar___boxed(lean_object*);
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 lean_object* l_Lean_Expr_bindingDomain_x21___boxed(lean_object*);
 lean_object* l_Lean_mkDecIsTrue(lean_object*, lean_object*);
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 lean_object* lean_array_fget(lean_object*, lean_object*);
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-lean_object* l___private_Init_Lean_Expr_5__getAppRevArgsAux(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_mkCachedData___boxed__const__1;
 lean_object* l_Lean_Expr_bindingName_x21___closed__2;
 lean_object* l_Lean_Expr_updateSort_x21(lean_object*, lean_object*);
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-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux(lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_CachedData_hasExprMVar(uint64_t);
 size_t l_Lean_ExprStructEq_hash(lean_object*);
-size_t l_Lean_ExprCachedData_hash(uint64_t);
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-lean_object* l___private_Init_Lean_Expr_9__etaExpandedBody___main(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Literal_hash___boxed(lean_object*);
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-lean_object* l_Lean_Expr_const___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_hashEx___boxed(lean_object*);
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
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 uint8_t l_Lean_Expr_hasMVar(lean_object*);
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 lean_object* l_Lean_Expr_isFVar___boxed(lean_object*);
 lean_object* l_Lean_Expr_abstractRange___boxed(lean_object*, lean_object*, lean_object*);
 uint32_t l_USize_toUInt32(size_t);
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+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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+lean_object* lean_uint32_to_nat(uint32_t);
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 lean_object* l_Lean_mkAppRev___boxed(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isBVar(lean_object*);
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 uint64_t l_UInt64_land(uint64_t, uint64_t);
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 lean_object* l_Lean_Expr_isConst___boxed(lean_object*);
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 lean_object* lean_expr_update_let(lean_object*, lean_object*, lean_object*, lean_object*);
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+uint8_t l_Lean_Expr_hasLevelMVar(lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t lean_expr_has_level_param(lean_object*);
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+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Literal_inhabited() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Literal_inhabited___closed__1;
+return x_1;
+}
+}
+size_t l_Lean_Literal_hash(lean_object* x_1) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+lean_object* x_2; size_t x_3; 
+x_2 = lean_ctor_get(x_1, 0);
+lean_inc(x_2);
+lean_dec(x_1);
+x_3 = lean_usize_of_nat(x_2);
+lean_dec(x_2);
+return x_3;
+}
+else
+{
+lean_object* x_4; size_t x_5; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_string_hash(x_4);
+return x_5;
+}
+}
+}
+lean_object* l_Lean_Literal_hash___boxed(lean_object* x_1) {
+_start:
+{
+size_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Literal_hash(x_1);
+x_3 = lean_box_usize(x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Literal_hashable___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Literal_hash___boxed), 1, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Literal_hashable() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Literal_hashable___closed__1;
+return x_1;
+}
+}
+size_t l_Lean_BinderInfo_hash(uint8_t x_1) {
+_start:
+{
+switch (x_1) {
+case 0:
+{
+size_t x_2; 
+x_2 = 947;
+return x_2;
+}
+case 1:
+{
+size_t x_3; 
+x_3 = 1019;
+return x_3;
+}
+case 2:
+{
+size_t x_4; 
+x_4 = 1087;
+return x_4;
+}
+case 3:
+{
+size_t x_5; 
+x_5 = 1153;
+return x_5;
+}
+default: 
+{
+size_t x_6; 
+x_6 = 1229;
+return x_6;
+}
+}
+}
+}
+lean_object* l_Lean_BinderInfo_hash___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; size_t x_3; lean_object* x_4; 
+x_2 = lean_unbox(x_1);
+lean_dec(x_1);
+x_3 = l_Lean_BinderInfo_hash(x_2);
+x_4 = lean_box_usize(x_3);
+return x_4;
+}
+}
+lean_object* _init_l_Lean_BinderInfo_hashable___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_BinderInfo_hash___boxed), 1, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_BinderInfo_hashable() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_BinderInfo_hashable___closed__1;
+return x_1;
+}
+}
 uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t x_1) {
 _start:
 {
@@ -585,7 +764,7 @@ x_6 = lean_box(x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_BinderInfo_HasBeq___closed__1() {
+lean_object* _init_l_Lean_BinderInfo_hasBeq___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -593,11 +772,11 @@ x_1 = lean_alloc_closure((void*)(l_Lean_BinderInfo_beq___boxed), 2, 0);
 return x_1;
 }
 }
-lean_object* _init_l_Lean_BinderInfo_HasBeq() {
+lean_object* _init_l_Lean_BinderInfo_hasBeq() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_BinderInfo_HasBeq___closed__1;
+x_1 = l_Lean_BinderInfo_hasBeq___closed__1;
 return x_1;
 }
 }
@@ -609,7 +788,7 @@ x_1 = lean_box(0);
 return x_1;
 }
 }
-lean_object* _init_l_Lean_MData_HasEmptyc() {
+lean_object* _init_l_Lean_MVData_hasEmptc() {
 _start:
 {
 lean_object* x_1; 
@@ -617,7 +796,7 @@ x_1 = lean_box(0);
 return x_1;
 }
 }
-uint64_t _init_l_Lean_ExprCachedData_inhabited() {
+uint64_t _init_l_Lean_Expr_CachedData_inhabited() {
 _start:
 {
 uint64_t x_1; 
@@ -625,7 +804,7 @@ x_1 = l_UInt64_Inhabited;
 return x_1;
 }
 }
-size_t l_Lean_ExprCachedData_hash(uint64_t x_1) {
+size_t l_Lean_Expr_CachedData_hash(uint64_t x_1) {
 _start:
 {
 uint32_t x_2; size_t x_3; 
@@ -634,18 +813,39 @@ x_3 = x_2;
 return x_3;
 }
 }
-lean_object* l_Lean_ExprCachedData_hash___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_hash___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; size_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_hash(x_2);
+x_3 = l_Lean_Expr_CachedData_hash(x_2);
 x_4 = lean_box_usize(x_3);
 return x_4;
 }
 }
-uint32_t l_Lean_ExprCachedData_looseBVarRange(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_hasBeq(uint64_t x_1, uint64_t x_2) {
+_start:
+{
+uint8_t x_3; 
+x_3 = x_1 == x_2;
+return x_3;
+}
+}
+lean_object* l_Lean_Expr_CachedData_hasBeq___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint64_t x_3; uint64_t x_4; uint8_t x_5; lean_object* x_6; 
+x_3 = lean_unbox_uint64(x_1);
+lean_dec(x_1);
+x_4 = lean_unbox_uint64(x_2);
+lean_dec(x_2);
+x_5 = l_Lean_Expr_CachedData_hasBeq(x_3, x_4);
+x_6 = lean_box(x_5);
+return x_6;
+}
+}
+uint32_t l_Lean_Expr_CachedData_looseBVarRange(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint32_t x_4; 
@@ -655,18 +855,18 @@ x_4 = ((uint32_t)x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_ExprCachedData_looseBVarRange___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_looseBVarRange___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint32_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_looseBVarRange(x_2);
+x_3 = l_Lean_Expr_CachedData_looseBVarRange(x_2);
 x_4 = lean_box_uint32(x_3);
 return x_4;
 }
 }
-uint8_t l_Lean_ExprCachedData_hasFVar(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_hasFVar(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; uint8_t x_6; 
@@ -678,18 +878,18 @@ x_6 = x_5 == x_2;
 return x_6;
 }
 }
-lean_object* l_Lean_ExprCachedData_hasFVar___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_hasFVar___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_hasFVar(x_2);
+x_3 = l_Lean_Expr_CachedData_hasFVar(x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-uint8_t l_Lean_ExprCachedData_hasExprMVar(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_hasExprMVar(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; uint8_t x_6; 
@@ -701,18 +901,18 @@ x_6 = x_5 == x_2;
 return x_6;
 }
 }
-lean_object* l_Lean_ExprCachedData_hasExprMVar___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_hasExprMVar___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_hasExprMVar(x_2);
+x_3 = l_Lean_Expr_CachedData_hasExprMVar(x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-uint8_t l_Lean_ExprCachedData_hasLevelMVar(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_hasLevelMVar(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; uint8_t x_6; 
@@ -724,18 +924,18 @@ x_6 = x_5 == x_2;
 return x_6;
 }
 }
-lean_object* l_Lean_ExprCachedData_hasLevelMVar___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_hasLevelMVar___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_hasLevelMVar(x_2);
+x_3 = l_Lean_Expr_CachedData_hasLevelMVar(x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-uint8_t l_Lean_ExprCachedData_hasLevelParam(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_hasLevelParam(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; uint8_t x_6; 
@@ -747,18 +947,18 @@ x_6 = x_5 == x_2;
 return x_6;
 }
 }
-lean_object* l_Lean_ExprCachedData_hasLevelParam___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_hasLevelParam___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_hasLevelParam(x_2);
+x_3 = l_Lean_Expr_CachedData_hasLevelParam(x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-uint8_t l_Lean_ExprCachedData_nonDepLet(uint64_t x_1) {
+uint8_t l_Lean_Expr_CachedData_nonDepLet(uint64_t x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; uint8_t x_6; 
@@ -770,18 +970,18 @@ x_6 = x_5 == x_2;
 return x_6;
 }
 }
-lean_object* l_Lean_ExprCachedData_nonDepLet___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_nonDepLet___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
 x_2 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_3 = l_Lean_ExprCachedData_nonDepLet(x_2);
+x_3 = l_Lean_Expr_CachedData_nonDepLet(x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_ExprCachedData_binderInfo___boxed(lean_object* x_1) {
+lean_object* l_Lean_Expr_CachedData_binderInfo___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint8_t x_3; lean_object* x_4; 
@@ -803,7 +1003,7 @@ x_4 = lean_box_uint64(x_3);
 return x_4;
 }
 }
-lean_object* _init_l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1() {
+lean_object* _init_l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -813,7 +1013,7 @@ x_3 = lean_nat_sub(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2() {
+lean_object* _init_l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -821,7 +1021,7 @@ x_1 = lean_mk_string("Init.Lean.Expr");
 return x_1;
 }
 }
-lean_object* _init_l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__3() {
+lean_object* _init_l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -829,32 +1029,32 @@ x_1 = lean_mk_string("bound variable index is too big");
 return x_1;
 }
 }
-lean_object* _init_l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__4() {
+lean_object* _init_l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(108u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(122u);
 x_3 = lean_unsigned_to_nat(42u);
-x_4 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__3;
+x_4 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__3;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* _init_l___private_Init_Lean_Expr_2__mkExprCachedDataCore___boxed__const__1() {
+lean_object* _init_l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___boxed__const__1() {
 _start:
 {
 uint64_t x_1; lean_object* x_2; 
-x_1 = l_Lean_ExprCachedData_inhabited;
+x_1 = l_Lean_Expr_CachedData_inhabited;
 x_2 = lean_box_uint64(x_1);
 return x_2;
 }
 }
-uint64_t l___private_Init_Lean_Expr_2__mkExprCachedDataCore(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7, uint8_t x_8) {
+uint64_t l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7, uint8_t x_8) {
 _start:
 {
 lean_object* x_9; uint8_t x_10; 
-x_9 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1;
+x_9 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__1;
 x_10 = lean_nat_dec_lt(x_9, x_2);
 if (x_10 == 0)
 {
@@ -894,8 +1094,8 @@ return x_40;
 else
 {
 lean_object* x_41; lean_object* x_42; lean_object* x_43; uint64_t x_44; 
-x_41 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__4;
-x_42 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___boxed__const__1;
+x_41 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__4;
+x_42 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___boxed__const__1;
 x_43 = lean_panic_fn(x_41);
 x_44 = lean_unbox_uint64(x_43);
 lean_dec(x_43);
@@ -903,7 +1103,7 @@ return x_44;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_2__mkExprCachedDataCore___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+lean_object* l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 size_t x_9; uint8_t x_10; uint8_t x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint64_t x_16; lean_object* x_17; 
@@ -921,13 +1121,13 @@ x_14 = lean_unbox(x_7);
 lean_dec(x_7);
 x_15 = lean_unbox(x_8);
 lean_dec(x_8);
-x_16 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore(x_9, x_2, x_10, x_11, x_12, x_13, x_14, x_15);
+x_16 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore(x_9, x_2, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_2);
 x_17 = lean_box_uint64(x_16);
 return x_17;
 }
 }
-uint64_t _init_l_Lean_mkExprCachedData___closed__1() {
+uint64_t _init_l_Lean_Expr_mkCachedData___closed__1() {
 _start:
 {
 uint8_t x_1; uint64_t x_2; 
@@ -936,17 +1136,17 @@ x_2 = (uint64_t)x_1;
 return x_2;
 }
 }
-uint64_t _init_l_Lean_mkExprCachedData___closed__2() {
+uint64_t _init_l_Lean_Expr_mkCachedData___closed__2() {
 _start:
 {
 uint64_t x_1; uint64_t x_2; uint64_t x_3; 
 x_1 = 36;
-x_2 = l_Lean_mkExprCachedData___closed__1;
+x_2 = l_Lean_Expr_mkCachedData___closed__1;
 x_3 = x_2 << x_1;
 return x_3;
 }
 }
-uint64_t _init_l_Lean_mkExprCachedData___closed__3() {
+uint64_t _init_l_Lean_Expr_mkCachedData___closed__3() {
 _start:
 {
 uint8_t x_1; uint64_t x_2; 
@@ -955,30 +1155,30 @@ x_2 = (uint64_t)x_1;
 return x_2;
 }
 }
-uint64_t _init_l_Lean_mkExprCachedData___closed__4() {
+uint64_t _init_l_Lean_Expr_mkCachedData___closed__4() {
 _start:
 {
 uint64_t x_1; uint64_t x_2; uint64_t x_3; 
 x_1 = 37;
-x_2 = l_Lean_mkExprCachedData___closed__3;
+x_2 = l_Lean_Expr_mkCachedData___closed__3;
 x_3 = x_2 << x_1;
 return x_3;
 }
 }
-lean_object* _init_l_Lean_mkExprCachedData___boxed__const__1() {
+lean_object* _init_l_Lean_Expr_mkCachedData___boxed__const__1() {
 _start:
 {
 uint64_t x_1; lean_object* x_2; 
-x_1 = l_Lean_ExprCachedData_inhabited;
+x_1 = l_Lean_Expr_CachedData_inhabited;
 x_2 = lean_box_uint64(x_1);
 return x_2;
 }
 }
-uint64_t l_Lean_mkExprCachedData(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6) {
+uint64_t l_Lean_Expr_mkCachedData(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6) {
 _start:
 {
 lean_object* x_7; uint8_t x_8; 
-x_7 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1;
+x_7 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__1;
 x_8 = lean_nat_dec_lt(x_7, x_2);
 if (x_8 == 0)
 {
@@ -1001,9 +1201,9 @@ x_23 = (uint64_t)x_6;
 x_24 = 35;
 x_25 = x_23 << x_24;
 x_26 = x_22 + x_25;
-x_27 = l_Lean_mkExprCachedData___closed__2;
+x_27 = l_Lean_Expr_mkCachedData___closed__2;
 x_28 = x_26 + x_27;
-x_29 = l_Lean_mkExprCachedData___closed__4;
+x_29 = l_Lean_Expr_mkCachedData___closed__4;
 x_30 = x_28 + x_29;
 x_31 = lean_uint64_of_nat(x_2);
 x_32 = 40;
@@ -1014,8 +1214,8 @@ return x_34;
 else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; uint64_t x_38; 
-x_35 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__4;
-x_36 = l_Lean_mkExprCachedData___boxed__const__1;
+x_35 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__4;
+x_36 = l_Lean_Expr_mkCachedData___boxed__const__1;
 x_37 = lean_panic_fn(x_35);
 x_38 = lean_unbox_uint64(x_37);
 lean_dec(x_37);
@@ -1023,7 +1223,7 @@ return x_38;
 }
 }
 }
-lean_object* l_Lean_mkExprCachedData___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+lean_object* l_Lean_Expr_mkCachedData___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 size_t x_7; uint8_t x_8; uint8_t x_9; uint8_t x_10; uint8_t x_11; uint64_t x_12; lean_object* x_13; 
@@ -1037,26 +1237,26 @@ x_10 = lean_unbox(x_5);
 lean_dec(x_5);
 x_11 = lean_unbox(x_6);
 lean_dec(x_6);
-x_12 = l_Lean_mkExprCachedData(x_7, x_2, x_8, x_9, x_10, x_11);
+x_12 = l_Lean_Expr_mkCachedData(x_7, x_2, x_8, x_9, x_10, x_11);
 lean_dec(x_2);
 x_13 = lean_box_uint64(x_12);
 return x_13;
 }
 }
-lean_object* _init_l_Lean_mkExprCachedDataForBinder___boxed__const__1() {
+lean_object* _init_l_Lean_Expr_mkCachedDataForBinder___boxed__const__1() {
 _start:
 {
 uint64_t x_1; lean_object* x_2; 
-x_1 = l_Lean_ExprCachedData_inhabited;
+x_1 = l_Lean_Expr_CachedData_inhabited;
 x_2 = lean_box_uint64(x_1);
 return x_2;
 }
 }
-uint64_t l_Lean_mkExprCachedDataForBinder(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7) {
+uint64_t l_Lean_Expr_mkCachedDataForBinder(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7) {
 _start:
 {
 lean_object* x_8; uint8_t x_9; 
-x_8 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1;
+x_8 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__1;
 x_9 = lean_nat_dec_lt(x_8, x_2);
 if (x_9 == 0)
 {
@@ -1079,7 +1279,7 @@ x_24 = (uint64_t)x_6;
 x_25 = 35;
 x_26 = x_24 << x_25;
 x_27 = x_23 + x_26;
-x_28 = l_Lean_mkExprCachedData___closed__2;
+x_28 = l_Lean_Expr_mkCachedData___closed__2;
 x_29 = x_27 + x_28;
 x_30 = (uint64_t)x_7;
 x_31 = 37;
@@ -1094,8 +1294,8 @@ return x_37;
 else
 {
 lean_object* x_38; lean_object* x_39; lean_object* x_40; uint64_t x_41; 
-x_38 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__4;
-x_39 = l_Lean_mkExprCachedDataForBinder___boxed__const__1;
+x_38 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__4;
+x_39 = l_Lean_Expr_mkCachedDataForBinder___boxed__const__1;
 x_40 = lean_panic_fn(x_38);
 x_41 = lean_unbox_uint64(x_40);
 lean_dec(x_40);
@@ -1103,7 +1303,7 @@ return x_41;
 }
 }
 }
-lean_object* l_Lean_mkExprCachedDataForBinder___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+lean_object* l_Lean_Expr_mkCachedDataForBinder___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 size_t x_8; uint8_t x_9; uint8_t x_10; uint8_t x_11; uint8_t x_12; uint8_t x_13; uint64_t x_14; lean_object* x_15; 
@@ -1119,26 +1319,26 @@ x_12 = lean_unbox(x_6);
 lean_dec(x_6);
 x_13 = lean_unbox(x_7);
 lean_dec(x_7);
-x_14 = l_Lean_mkExprCachedDataForBinder(x_8, x_2, x_9, x_10, x_11, x_12, x_13);
+x_14 = l_Lean_Expr_mkCachedDataForBinder(x_8, x_2, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_2);
 x_15 = lean_box_uint64(x_14);
 return x_15;
 }
 }
-lean_object* _init_l_Lean_mkExprCachedDataForLet___boxed__const__1() {
+lean_object* _init_l_Lean_Expr_mkCachedDataForLet___boxed__const__1() {
 _start:
 {
 uint64_t x_1; lean_object* x_2; 
-x_1 = l_Lean_ExprCachedData_inhabited;
+x_1 = l_Lean_Expr_CachedData_inhabited;
 x_2 = lean_box_uint64(x_1);
 return x_2;
 }
 }
-uint64_t l_Lean_mkExprCachedDataForLet(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7) {
+uint64_t l_Lean_Expr_mkCachedDataForLet(size_t x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7) {
 _start:
 {
 lean_object* x_8; uint8_t x_9; 
-x_8 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1;
+x_8 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__1;
 x_9 = lean_nat_dec_lt(x_8, x_2);
 if (x_9 == 0)
 {
@@ -1165,7 +1365,7 @@ x_28 = (uint64_t)x_7;
 x_29 = 36;
 x_30 = x_28 << x_29;
 x_31 = x_27 + x_30;
-x_32 = l_Lean_mkExprCachedData___closed__4;
+x_32 = l_Lean_Expr_mkCachedData___closed__4;
 x_33 = x_31 + x_32;
 x_34 = lean_uint64_of_nat(x_2);
 x_35 = 40;
@@ -1176,8 +1376,8 @@ return x_37;
 else
 {
 lean_object* x_38; lean_object* x_39; lean_object* x_40; uint64_t x_41; 
-x_38 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__4;
-x_39 = l_Lean_mkExprCachedDataForLet___boxed__const__1;
+x_38 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__4;
+x_39 = l_Lean_Expr_mkCachedDataForLet___boxed__const__1;
 x_40 = lean_panic_fn(x_38);
 x_41 = lean_unbox_uint64(x_40);
 lean_dec(x_40);
@@ -1185,7 +1385,7 @@ return x_41;
 }
 }
 }
-lean_object* l_Lean_mkExprCachedDataForLet___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+lean_object* l_Lean_Expr_mkCachedDataForLet___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 size_t x_8; uint8_t x_9; uint8_t x_10; uint8_t x_11; uint8_t x_12; uint8_t x_13; uint64_t x_14; lean_object* x_15; 
@@ -1201,136 +1401,1093 @@ x_12 = lean_unbox(x_6);
 lean_dec(x_6);
 x_13 = lean_unbox(x_7);
 lean_dec(x_7);
-x_14 = l_Lean_mkExprCachedDataForLet(x_8, x_2, x_9, x_10, x_11, x_12, x_13);
+x_14 = l_Lean_Expr_mkCachedDataForLet(x_8, x_2, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_2);
 x_15 = lean_box_uint64(x_14);
 return x_15;
 }
 }
-lean_object* _init_l_Lean_Expr_inhabited___closed__1() {
+lean_object* _init_l_Lean_Expr_Inhabited___closed__1() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_box(0);
-x_2 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
+uint64_t x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = 0;
+x_2 = lean_box(0);
+x_3 = lean_alloc_ctor(3, 1, 8);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set_uint64(x_3, sizeof(void*)*1, x_1);
+return x_3;
 }
 }
-lean_object* _init_l_Lean_Expr_inhabited() {
+lean_object* _init_l_Lean_Expr_Inhabited() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Expr_inhabited___closed__1;
+x_1 = l_Lean_Expr_Inhabited___closed__1;
 return x_1;
 }
 }
-lean_object* l_Lean_Expr_bvar___boxed(lean_object* x_1) {
+uint64_t l_Lean_Expr_cachedData(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_bvar(x_1);
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
 return x_2;
 }
+case 5:
+{
+uint64_t x_3; 
+x_3 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+return x_3;
 }
-lean_object* l_Lean_Expr_fvar___boxed(lean_object* x_1) {
+case 6:
+{
+uint64_t x_4; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+return x_4;
+}
+case 7:
+{
+uint64_t x_5; 
+x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+return x_5;
+}
+case 8:
+{
+uint64_t x_6; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+return x_6;
+}
+case 10:
+{
+uint64_t x_7; 
+x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+return x_7;
+}
+case 11:
+{
+uint64_t x_8; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+return x_8;
+}
+case 12:
+{
+uint64_t x_9; 
+x_9 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+return x_9;
+}
+default: 
+{
+uint64_t x_10; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+return x_10;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_cachedData___boxed(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_fvar(x_1);
-return x_2;
-}
-}
-lean_object* l_Lean_Expr_mvar___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_expr_mk_mvar(x_1);
-return x_2;
-}
-}
-lean_object* l_Lean_Expr_sort___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_expr_mk_sort(x_1);
-return x_2;
-}
-}
-lean_object* l_Lean_Expr_const___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_expr_mk_const(x_1, x_2);
+uint64_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_cachedData(x_1);
+lean_dec(x_1);
+x_3 = lean_box_uint64(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_Expr_app___boxed(lean_object* x_1, lean_object* x_2) {
+uint64_t lean_expr_cached_data(lean_object* x_1) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_expr_mk_app(x_1, x_2);
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+return x_2;
+}
+case 5:
+{
+uint64_t x_3; 
+x_3 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+return x_3;
+}
+case 6:
+{
+uint64_t x_4; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+return x_4;
+}
+case 7:
+{
+uint64_t x_5; 
+x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+return x_5;
+}
+case 8:
+{
+uint64_t x_6; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+lean_dec(x_1);
+return x_6;
+}
+case 10:
+{
+uint64_t x_7; 
+x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+return x_7;
+}
+case 11:
+{
+uint64_t x_8; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+return x_8;
+}
+case 12:
+{
+uint64_t x_9; 
+x_9 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+return x_9;
+}
+default: 
+{
+uint64_t x_10; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+lean_dec(x_1);
+return x_10;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_cachedDataEx___boxed(lean_object* x_1) {
+_start:
+{
+uint64_t x_2; lean_object* x_3; 
+x_2 = lean_expr_cached_data(x_1);
+x_3 = lean_box_uint64(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_Expr_lam___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+size_t l_Lean_Expr_hash(lean_object* x_1) {
 _start:
 {
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = lean_expr_mk_lambda(x_1, x_5, x_3, x_4);
-return x_6;
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; size_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_hash(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; size_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = l_Lean_Expr_CachedData_hash(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; size_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = l_Lean_Expr_CachedData_hash(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; size_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_hash(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; size_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = l_Lean_Expr_CachedData_hash(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; size_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = l_Lean_Expr_CachedData_hash(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; size_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = l_Lean_Expr_CachedData_hash(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; size_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = l_Lean_Expr_CachedData_hash(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; size_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = l_Lean_Expr_CachedData_hash(x_18);
+return x_19;
 }
 }
-lean_object* l_Lean_Expr_forallE___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+}
+}
+lean_object* l_Lean_Expr_hash___boxed(lean_object* x_1) {
 _start:
 {
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = lean_expr_mk_forall(x_1, x_5, x_3, x_4);
-return x_6;
+size_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hash(x_1);
+lean_dec(x_1);
+x_3 = lean_box_usize(x_2);
+return x_3;
 }
 }
-lean_object* l_Lean_Expr_letE___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* _init_l_Lean_Expr_Hashable___closed__1() {
 _start:
 {
-lean_object* x_5; 
-x_5 = lean_expr_mk_let(x_1, x_2, x_3, x_4);
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Expr_hash___boxed), 1, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_Hashable() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Expr_Hashable___closed__1;
+return x_1;
+}
+}
+uint8_t l_Lean_Expr_hasFVar(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_hasFVar(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint8_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = l_Lean_Expr_CachedData_hasFVar(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint8_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = l_Lean_Expr_CachedData_hasFVar(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint8_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_hasFVar(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint8_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = l_Lean_Expr_CachedData_hasFVar(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint8_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = l_Lean_Expr_CachedData_hasFVar(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint8_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = l_Lean_Expr_CachedData_hasFVar(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint8_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = l_Lean_Expr_CachedData_hasFVar(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint8_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = l_Lean_Expr_CachedData_hasFVar(x_18);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_hasFVar___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hasFVar(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t l_Lean_Expr_hasExprMVar(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_hasExprMVar(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint8_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = l_Lean_Expr_CachedData_hasExprMVar(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint8_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = l_Lean_Expr_CachedData_hasExprMVar(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint8_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_hasExprMVar(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint8_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = l_Lean_Expr_CachedData_hasExprMVar(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint8_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = l_Lean_Expr_CachedData_hasExprMVar(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint8_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = l_Lean_Expr_CachedData_hasExprMVar(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint8_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = l_Lean_Expr_CachedData_hasExprMVar(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint8_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = l_Lean_Expr_CachedData_hasExprMVar(x_18);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_hasExprMVar___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hasExprMVar(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t l_Lean_Expr_hasLevelMVar(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_hasLevelMVar(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint8_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = l_Lean_Expr_CachedData_hasLevelMVar(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint8_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = l_Lean_Expr_CachedData_hasLevelMVar(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint8_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_hasLevelMVar(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint8_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = l_Lean_Expr_CachedData_hasLevelMVar(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint8_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = l_Lean_Expr_CachedData_hasLevelMVar(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint8_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = l_Lean_Expr_CachedData_hasLevelMVar(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint8_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = l_Lean_Expr_CachedData_hasLevelMVar(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint8_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = l_Lean_Expr_CachedData_hasLevelMVar(x_18);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_hasLevelMVar___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hasLevelMVar(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t l_Lean_Expr_hasMVar(lean_object* x_1) {
+_start:
+{
+uint64_t x_2; 
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_7; 
+x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = x_7;
+goto block_6;
+}
+case 5:
+{
+uint64_t x_8; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = x_8;
+goto block_6;
+}
+case 6:
+{
+uint64_t x_9; 
+x_9 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_2 = x_9;
+goto block_6;
+}
+case 7:
+{
+uint64_t x_10; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_2 = x_10;
+goto block_6;
+}
+case 8:
+{
+uint64_t x_11; 
+x_11 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_2 = x_11;
+goto block_6;
+}
+case 10:
+{
+uint64_t x_12; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = x_12;
+goto block_6;
+}
+case 11:
+{
+uint64_t x_13; 
+x_13 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_2 = x_13;
+goto block_6;
+}
+case 12:
+{
+uint64_t x_14; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_2 = x_14;
+goto block_6;
+}
+default: 
+{
+uint64_t x_15; 
+x_15 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_2 = x_15;
+goto block_6;
+}
+}
+block_6:
+{
+uint8_t x_3; 
+x_3 = l_Lean_Expr_CachedData_hasExprMVar(x_2);
+if (x_3 == 0)
+{
+uint8_t x_4; 
+x_4 = l_Lean_Expr_CachedData_hasLevelMVar(x_2);
+return x_4;
+}
+else
+{
+uint8_t x_5; 
+x_5 = 1;
 return x_5;
 }
 }
-lean_object* l_Lean_Expr_lit___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_expr_mk_lit(x_1);
-return x_2;
 }
 }
-lean_object* l_Lean_Expr_mdata___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_Expr_hasMVar___boxed(lean_object* x_1) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_expr_mk_mdata(x_1, x_2);
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hasMVar(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_Expr_proj___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+uint8_t l_Lean_Expr_hasLevelParam(lean_object* x_1) {
 _start:
 {
-lean_object* x_4; 
-x_4 = lean_expr_mk_proj(x_1, x_2, x_3);
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_hasLevelParam(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint8_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = l_Lean_Expr_CachedData_hasLevelParam(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint8_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = l_Lean_Expr_CachedData_hasLevelParam(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint8_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_hasLevelParam(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint8_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = l_Lean_Expr_CachedData_hasLevelParam(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint8_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = l_Lean_Expr_CachedData_hasLevelParam(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint8_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = l_Lean_Expr_CachedData_hasLevelParam(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint8_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = l_Lean_Expr_CachedData_hasLevelParam(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint8_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = l_Lean_Expr_CachedData_hasLevelParam(x_18);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_hasLevelParam___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_hasLevelParam(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_Expr_looseBVarRange(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint32_t x_3; lean_object* x_4; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = l_Lean_Expr_CachedData_looseBVarRange(x_2);
+x_4 = lean_uint32_to_nat(x_3);
 return x_4;
 }
+case 5:
+{
+uint64_t x_5; uint32_t x_6; lean_object* x_7; 
+x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_6 = l_Lean_Expr_CachedData_looseBVarRange(x_5);
+x_7 = lean_uint32_to_nat(x_6);
+return x_7;
+}
+case 6:
+{
+uint64_t x_8; uint32_t x_9; lean_object* x_10; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = l_Lean_Expr_CachedData_looseBVarRange(x_8);
+x_10 = lean_uint32_to_nat(x_9);
+return x_10;
+}
+case 7:
+{
+uint64_t x_11; uint32_t x_12; lean_object* x_13; 
+x_11 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_12 = l_Lean_Expr_CachedData_looseBVarRange(x_11);
+x_13 = lean_uint32_to_nat(x_12);
+return x_13;
+}
+case 8:
+{
+uint64_t x_14; uint32_t x_15; lean_object* x_16; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_15 = l_Lean_Expr_CachedData_looseBVarRange(x_14);
+x_16 = lean_uint32_to_nat(x_15);
+return x_16;
+}
+case 10:
+{
+uint64_t x_17; uint32_t x_18; lean_object* x_19; 
+x_17 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_18 = l_Lean_Expr_CachedData_looseBVarRange(x_17);
+x_19 = lean_uint32_to_nat(x_18);
+return x_19;
+}
+case 11:
+{
+uint64_t x_20; uint32_t x_21; lean_object* x_22; 
+x_20 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_21 = l_Lean_Expr_CachedData_looseBVarRange(x_20);
+x_22 = lean_uint32_to_nat(x_21);
+return x_22;
+}
+case 12:
+{
+uint64_t x_23; uint32_t x_24; lean_object* x_25; 
+x_23 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_24 = l_Lean_Expr_CachedData_looseBVarRange(x_23);
+x_25 = lean_uint32_to_nat(x_24);
+return x_25;
+}
+default: 
+{
+uint64_t x_26; uint32_t x_27; lean_object* x_28; 
+x_26 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_27 = l_Lean_Expr_CachedData_looseBVarRange(x_26);
+x_28 = lean_uint32_to_nat(x_27);
+return x_28;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_looseBVarRange___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Expr_looseBVarRange(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+uint8_t l_Lean_Expr_binderInfo(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_3 = (uint8_t)((x_2 << 24) >> 61);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint8_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_5 = (uint8_t)((x_4 << 24) >> 61);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint8_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_7 = (uint8_t)((x_6 << 24) >> 61);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint8_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_9 = (uint8_t)((x_8 << 24) >> 61);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint8_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+x_11 = (uint8_t)((x_10 << 24) >> 61);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint8_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_13 = (uint8_t)((x_12 << 24) >> 61);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint8_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_15 = (uint8_t)((x_14 << 24) >> 61);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint8_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_17 = (uint8_t)((x_16 << 24) >> 61);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint8_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+x_19 = (uint8_t)((x_18 << 24) >> 61);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_binderInfo___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_binderInfo(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+size_t lean_expr_hash(lean_object* x_1) {
+_start:
+{
+size_t x_2; 
+x_2 = l_Lean_Expr_hash(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hashEx___boxed(lean_object* x_1) {
+_start:
+{
+size_t x_2; lean_object* x_3; 
+x_2 = lean_expr_hash(x_1);
+x_3 = lean_box_usize(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_has_fvar(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_hasFVar(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hasFVarEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_has_fvar(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_has_expr_mvar(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_hasExprMVar(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hasExprMVarEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_has_expr_mvar(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_has_level_mvar(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_hasLevelMVar(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hasLevelMVarEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_has_level_mvar(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_has_mvar(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_hasMVar(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hasMVarEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_has_mvar(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_has_level_param(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_hasLevelParam(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_hasLevelParamEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_has_level_param(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+uint32_t lean_expr_loose_bvar_range(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint64_t x_2; uint32_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+x_3 = l_Lean_Expr_CachedData_looseBVarRange(x_2);
+return x_3;
+}
+case 5:
+{
+uint64_t x_4; uint32_t x_5; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+x_5 = l_Lean_Expr_CachedData_looseBVarRange(x_4);
+return x_5;
+}
+case 6:
+{
+uint64_t x_6; uint32_t x_7; 
+x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+x_7 = l_Lean_Expr_CachedData_looseBVarRange(x_6);
+return x_7;
+}
+case 7:
+{
+uint64_t x_8; uint32_t x_9; 
+x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+x_9 = l_Lean_Expr_CachedData_looseBVarRange(x_8);
+return x_9;
+}
+case 8:
+{
+uint64_t x_10; uint32_t x_11; 
+x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
+lean_dec(x_1);
+x_11 = l_Lean_Expr_CachedData_looseBVarRange(x_10);
+return x_11;
+}
+case 10:
+{
+uint64_t x_12; uint32_t x_13; 
+x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+lean_dec(x_1);
+x_13 = l_Lean_Expr_CachedData_looseBVarRange(x_12);
+return x_13;
+}
+case 11:
+{
+uint64_t x_14; uint32_t x_15; 
+x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+x_15 = l_Lean_Expr_CachedData_looseBVarRange(x_14);
+return x_15;
+}
+case 12:
+{
+uint64_t x_16; uint32_t x_17; 
+x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+x_17 = l_Lean_Expr_CachedData_looseBVarRange(x_16);
+return x_17;
+}
+default: 
+{
+uint64_t x_18; uint32_t x_19; 
+x_18 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
+lean_dec(x_1);
+x_19 = l_Lean_Expr_CachedData_looseBVarRange(x_18);
+return x_19;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_looseBVarRangeEx___boxed(lean_object* x_1) {
+_start:
+{
+uint32_t x_2; lean_object* x_3; 
+x_2 = lean_expr_loose_bvar_range(x_1);
+x_3 = lean_box_uint32(x_2);
+return x_3;
+}
+}
+uint8_t lean_expr_binder_info(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; 
+x_2 = l_Lean_Expr_binderInfo(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Expr_binderInfoEx___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = lean_expr_binder_info(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
 }
 lean_object* l_Lean_mkLit(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_lit(x_1);
-return x_2;
+size_t x_2; size_t x_3; size_t x_4; lean_object* x_5; uint8_t x_6; uint64_t x_7; lean_object* x_8; 
+x_2 = 3;
+lean_inc(x_1);
+x_3 = l_Lean_Literal_hash(x_1);
+x_4 = lean_usize_mix_hash(x_2, x_3);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = 0;
+x_7 = l_Lean_Expr_mkCachedData(x_4, x_5, x_6, x_6, x_6, x_6);
+x_8 = lean_alloc_ctor(9, 1, 8);
+lean_ctor_set(x_8, 0, x_1);
+lean_ctor_set_uint64(x_8, sizeof(void*)*1, x_7);
+return x_8;
 }
 }
 lean_object* l_Lean_mkNatLit(lean_object* x_1) {
@@ -1339,7 +2496,7 @@ _start:
 lean_object* x_2; lean_object* x_3; 
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
-x_3 = lean_expr_mk_lit(x_2);
+x_3 = l_Lean_mkLit(x_2);
 return x_3;
 }
 }
@@ -1349,34 +2506,164 @@ _start:
 lean_object* x_2; lean_object* x_3; 
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
-x_3 = lean_expr_mk_lit(x_2);
+x_3 = l_Lean_mkLit(x_2);
 return x_3;
 }
 }
+size_t l_List_foldl___main___at_Lean_mkConst___spec__2(size_t x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+return x_1;
+}
+else
+{
+lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+x_4 = lean_ctor_get(x_2, 1);
+x_5 = lean_level_hash(x_3);
+x_6 = lean_usize_mix_hash(x_1, x_5);
+x_1 = x_6;
+x_2 = x_4;
+goto _start;
+}
+}
+}
+size_t l_List_hash___at_Lean_mkConst___spec__1(lean_object* x_1) {
+_start:
+{
+size_t x_2; size_t x_3; 
+x_2 = 7;
+x_3 = l_List_foldl___main___at_Lean_mkConst___spec__2(x_2, x_1);
+return x_3;
+}
+}
+uint8_t l_List_foldr___main___at_Lean_mkConst___spec__3(uint8_t x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+return x_1;
+}
+else
+{
+lean_object* x_3; lean_object* x_4; uint8_t x_5; uint8_t x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+x_4 = lean_ctor_get(x_2, 1);
+lean_inc(x_4);
+lean_dec(x_2);
+x_5 = l_List_foldr___main___at_Lean_mkConst___spec__3(x_1, x_4);
+x_6 = lean_level_has_mvar(x_3);
+if (x_6 == 0)
+{
+return x_5;
+}
+else
+{
+uint8_t x_7; 
+x_7 = 1;
+return x_7;
+}
+}
+}
+}
+uint8_t l_List_foldr___main___at_Lean_mkConst___spec__4(uint8_t x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+return x_1;
+}
+else
+{
+lean_object* x_3; lean_object* x_4; uint8_t x_5; uint8_t x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+x_4 = lean_ctor_get(x_2, 1);
+lean_inc(x_4);
+lean_dec(x_2);
+x_5 = l_List_foldr___main___at_Lean_mkConst___spec__4(x_1, x_4);
+x_6 = lean_level_has_param(x_3);
+if (x_6 == 0)
+{
+return x_5;
+}
+else
+{
+uint8_t x_7; 
+x_7 = 1;
+return x_7;
+}
+}
+}
+}
 lean_object* l_Lean_mkConst(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_expr_mk_const(x_1, x_2);
+size_t x_3; size_t x_4; size_t x_5; size_t x_6; size_t x_7; uint8_t x_8; uint8_t x_9; uint8_t x_10; lean_object* x_11; uint64_t x_12; lean_object* x_13; 
+x_3 = 5;
+x_4 = lean_name_hash_usize(x_1);
+x_5 = l_List_hash___at_Lean_mkConst___spec__1(x_2);
+x_6 = lean_usize_mix_hash(x_4, x_5);
+x_7 = lean_usize_mix_hash(x_3, x_6);
+x_8 = 0;
+lean_inc(x_2);
+x_9 = l_List_foldr___main___at_Lean_mkConst___spec__3(x_8, x_2);
+lean_inc(x_2);
+x_10 = l_List_foldr___main___at_Lean_mkConst___spec__4(x_8, x_2);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = l_Lean_Expr_mkCachedData(x_7, x_11, x_8, x_8, x_9, x_10);
+x_13 = lean_alloc_ctor(4, 2, 8);
+lean_ctor_set(x_13, 0, x_1);
+lean_ctor_set(x_13, 1, x_2);
+lean_ctor_set_uint64(x_13, sizeof(void*)*2, x_12);
+return x_13;
+}
+}
+lean_object* l_List_foldl___main___at_Lean_mkConst___spec__2___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+size_t x_3; size_t x_4; lean_object* x_5; 
+x_3 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_4 = l_List_foldl___main___at_Lean_mkConst___spec__2(x_3, x_2);
+lean_dec(x_2);
+x_5 = lean_box_usize(x_4);
+return x_5;
+}
+}
+lean_object* l_List_hash___at_Lean_mkConst___spec__1___boxed(lean_object* x_1) {
+_start:
+{
+size_t x_2; lean_object* x_3; 
+x_2 = l_List_hash___at_Lean_mkConst___spec__1(x_1);
+lean_dec(x_1);
+x_3 = lean_box_usize(x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Literal_Inhabited___closed__1() {
+lean_object* l_List_foldr___main___at_Lean_mkConst___spec__3___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_unsigned_to_nat(0u);
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
+uint8_t x_3; uint8_t x_4; lean_object* x_5; 
+x_3 = lean_unbox(x_1);
+lean_dec(x_1);
+x_4 = l_List_foldr___main___at_Lean_mkConst___spec__3(x_3, x_2);
+x_5 = lean_box(x_4);
+return x_5;
 }
 }
-lean_object* _init_l_Lean_Literal_Inhabited() {
+lean_object* l_List_foldr___main___at_Lean_mkConst___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_1; 
-x_1 = l_Lean_Literal_Inhabited___closed__1;
-return x_1;
+uint8_t x_3; uint8_t x_4; lean_object* x_5; 
+x_3 = lean_unbox(x_1);
+lean_dec(x_1);
+x_4 = l_List_foldr___main___at_Lean_mkConst___spec__4(x_3, x_2);
+x_5 = lean_box(x_4);
+return x_5;
 }
 }
 lean_object* _init_l_Lean_Literal_type___closed__1() {
@@ -1403,7 +2690,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Literal_type___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -1431,7 +2718,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Literal_type___closed__5;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -1461,62 +2748,1549 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l_Lean_mkBVar(lean_object* x_1) {
+lean_object* lean_lit_type(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_expr_mk_bvar(x_1);
+x_2 = l_Lean_Literal_type(x_1);
+lean_dec(x_1);
 return x_2;
 }
 }
+lean_object* l_Lean_mkBVar(lean_object* x_1) {
+_start:
+{
+size_t x_2; size_t x_3; size_t x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; uint64_t x_8; lean_object* x_9; 
+x_2 = 7;
+x_3 = lean_usize_of_nat(x_1);
+x_4 = lean_usize_mix_hash(x_2, x_3);
+x_5 = lean_unsigned_to_nat(1u);
+x_6 = lean_nat_add(x_1, x_5);
+x_7 = 0;
+x_8 = l_Lean_Expr_mkCachedData(x_4, x_6, x_7, x_7, x_7, x_7);
+lean_dec(x_6);
+x_9 = lean_alloc_ctor(0, 1, 8);
+lean_ctor_set(x_9, 0, x_1);
+lean_ctor_set_uint64(x_9, sizeof(void*)*1, x_8);
+return x_9;
+}
+}
 lean_object* l_Lean_mkSort(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_sort(x_1);
-return x_2;
+size_t x_2; size_t x_3; size_t x_4; uint8_t x_5; uint8_t x_6; lean_object* x_7; uint8_t x_8; uint64_t x_9; lean_object* x_10; 
+x_2 = 11;
+x_3 = lean_level_hash(x_1);
+x_4 = lean_usize_mix_hash(x_2, x_3);
+lean_inc(x_1);
+x_5 = lean_level_has_mvar(x_1);
+lean_inc(x_1);
+x_6 = lean_level_has_param(x_1);
+x_7 = lean_unsigned_to_nat(0u);
+x_8 = 0;
+x_9 = l_Lean_Expr_mkCachedData(x_4, x_7, x_8, x_8, x_5, x_6);
+x_10 = lean_alloc_ctor(3, 1, 8);
+lean_ctor_set(x_10, 0, x_1);
+lean_ctor_set_uint64(x_10, sizeof(void*)*1, x_9);
+return x_10;
 }
 }
 lean_object* l_Lean_mkFVar(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_fvar(x_1);
-return x_2;
+size_t x_2; size_t x_3; size_t x_4; lean_object* x_5; uint8_t x_6; uint8_t x_7; uint64_t x_8; lean_object* x_9; 
+x_2 = 13;
+x_3 = lean_name_hash_usize(x_1);
+x_4 = lean_usize_mix_hash(x_2, x_3);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = 1;
+x_7 = 0;
+x_8 = l_Lean_Expr_mkCachedData(x_4, x_5, x_6, x_7, x_7, x_7);
+x_9 = lean_alloc_ctor(1, 1, 8);
+lean_ctor_set(x_9, 0, x_1);
+lean_ctor_set_uint64(x_9, sizeof(void*)*1, x_8);
+return x_9;
 }
 }
 lean_object* l_Lean_mkMVar(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; 
-x_2 = lean_expr_mk_mvar(x_1);
-return x_2;
+size_t x_2; size_t x_3; size_t x_4; lean_object* x_5; uint8_t x_6; uint8_t x_7; uint64_t x_8; lean_object* x_9; 
+x_2 = 17;
+x_3 = lean_name_hash_usize(x_1);
+x_4 = lean_usize_mix_hash(x_2, x_3);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = 0;
+x_7 = 1;
+x_8 = l_Lean_Expr_mkCachedData(x_4, x_5, x_6, x_7, x_6, x_6);
+x_9 = lean_alloc_ctor(2, 1, 8);
+lean_ctor_set(x_9, 0, x_1);
+lean_ctor_set_uint64(x_9, sizeof(void*)*1, x_8);
+return x_9;
 }
 }
 lean_object* l_Lean_mkMData(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_expr_mk_mdata(x_1, x_2);
-return x_3;
+size_t x_3; size_t x_4; size_t x_5; lean_object* x_6; uint8_t x_7; uint8_t x_8; uint8_t x_9; uint8_t x_10; uint64_t x_11; lean_object* x_12; 
+x_3 = 19;
+x_4 = l_Lean_Expr_hash(x_2);
+x_5 = lean_usize_mix_hash(x_3, x_4);
+x_6 = l_Lean_Expr_looseBVarRange(x_2);
+x_7 = l_Lean_Expr_hasFVar(x_2);
+x_8 = l_Lean_Expr_hasExprMVar(x_2);
+x_9 = l_Lean_Expr_hasLevelMVar(x_2);
+x_10 = l_Lean_Expr_hasLevelParam(x_2);
+x_11 = l_Lean_Expr_mkCachedData(x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_6);
+x_12 = lean_alloc_ctor(10, 2, 8);
+lean_ctor_set(x_12, 0, x_1);
+lean_ctor_set(x_12, 1, x_2);
+lean_ctor_set_uint64(x_12, sizeof(void*)*2, x_11);
+return x_12;
 }
 }
 lean_object* l_Lean_mkProj(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; 
-x_4 = lean_expr_mk_proj(x_1, x_2, x_3);
-return x_4;
+size_t x_4; size_t x_5; size_t x_6; size_t x_7; size_t x_8; size_t x_9; size_t x_10; lean_object* x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint64_t x_16; lean_object* x_17; 
+x_4 = 23;
+x_5 = lean_name_hash_usize(x_1);
+x_6 = lean_usize_of_nat(x_2);
+x_7 = l_Lean_Expr_hash(x_3);
+x_8 = lean_usize_mix_hash(x_6, x_7);
+x_9 = lean_usize_mix_hash(x_5, x_8);
+x_10 = lean_usize_mix_hash(x_4, x_9);
+x_11 = l_Lean_Expr_looseBVarRange(x_3);
+x_12 = l_Lean_Expr_hasFVar(x_3);
+x_13 = l_Lean_Expr_hasExprMVar(x_3);
+x_14 = l_Lean_Expr_hasLevelMVar(x_3);
+x_15 = l_Lean_Expr_hasLevelParam(x_3);
+x_16 = l_Lean_Expr_mkCachedData(x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_11);
+x_17 = lean_alloc_ctor(11, 3, 8);
+lean_ctor_set(x_17, 0, x_1);
+lean_ctor_set(x_17, 1, x_2);
+lean_ctor_set(x_17, 2, x_3);
+lean_ctor_set_uint64(x_17, sizeof(void*)*3, x_16);
+return x_17;
 }
 }
 lean_object* l_Lean_mkApp(lean_object* x_1, lean_object* x_2) {
 _start:
 {
+size_t x_3; size_t x_4; size_t x_5; size_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; 
+x_3 = 29;
+x_4 = l_Lean_Expr_hash(x_1);
+x_5 = l_Lean_Expr_hash(x_2);
+x_6 = lean_usize_mix_hash(x_4, x_5);
+x_7 = lean_usize_mix_hash(x_3, x_6);
+x_8 = l_Lean_Expr_looseBVarRange(x_1);
+x_9 = l_Lean_Expr_looseBVarRange(x_2);
+x_10 = l_Nat_max(x_8, x_9);
+lean_dec(x_9);
+lean_dec(x_8);
+x_11 = l_Lean_Expr_hasFVar(x_1);
+x_12 = l_Lean_Expr_hasExprMVar(x_1);
+x_13 = l_Lean_Expr_hasLevelMVar(x_1);
+x_14 = l_Lean_Expr_hasLevelParam(x_1);
+if (x_11 == 0)
+{
+uint8_t x_15; 
+x_15 = l_Lean_Expr_hasFVar(x_2);
+if (x_12 == 0)
+{
+uint8_t x_16; 
+x_16 = l_Lean_Expr_hasExprMVar(x_2);
+if (x_13 == 0)
+{
+uint8_t x_17; 
+x_17 = l_Lean_Expr_hasLevelMVar(x_2);
+if (x_14 == 0)
+{
+uint8_t x_18; uint64_t x_19; lean_object* x_20; 
+x_18 = l_Lean_Expr_hasLevelParam(x_2);
+x_19 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_16, x_17, x_18);
+lean_dec(x_10);
+x_20 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_20, 0, x_1);
+lean_ctor_set(x_20, 1, x_2);
+lean_ctor_set_uint64(x_20, sizeof(void*)*2, x_19);
+return x_20;
+}
+else
+{
+uint8_t x_21; uint64_t x_22; lean_object* x_23; 
+x_21 = 1;
+x_22 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_16, x_17, x_21);
+lean_dec(x_10);
+x_23 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_23, 0, x_1);
+lean_ctor_set(x_23, 1, x_2);
+lean_ctor_set_uint64(x_23, sizeof(void*)*2, x_22);
+return x_23;
+}
+}
+else
+{
+if (x_14 == 0)
+{
+uint8_t x_24; uint8_t x_25; uint64_t x_26; lean_object* x_27; 
+x_24 = l_Lean_Expr_hasLevelParam(x_2);
+x_25 = 1;
+x_26 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_16, x_25, x_24);
+lean_dec(x_10);
+x_27 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_27, 0, x_1);
+lean_ctor_set(x_27, 1, x_2);
+lean_ctor_set_uint64(x_27, sizeof(void*)*2, x_26);
+return x_27;
+}
+else
+{
+uint8_t x_28; uint64_t x_29; lean_object* x_30; 
+x_28 = 1;
+x_29 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_16, x_28, x_28);
+lean_dec(x_10);
+x_30 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_30, 0, x_1);
+lean_ctor_set(x_30, 1, x_2);
+lean_ctor_set_uint64(x_30, sizeof(void*)*2, x_29);
+return x_30;
+}
+}
+}
+else
+{
+if (x_13 == 0)
+{
+uint8_t x_31; 
+x_31 = l_Lean_Expr_hasLevelMVar(x_2);
+if (x_14 == 0)
+{
+uint8_t x_32; uint8_t x_33; uint64_t x_34; lean_object* x_35; 
+x_32 = l_Lean_Expr_hasLevelParam(x_2);
+x_33 = 1;
+x_34 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_33, x_31, x_32);
+lean_dec(x_10);
+x_35 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_35, 0, x_1);
+lean_ctor_set(x_35, 1, x_2);
+lean_ctor_set_uint64(x_35, sizeof(void*)*2, x_34);
+return x_35;
+}
+else
+{
+uint8_t x_36; uint64_t x_37; lean_object* x_38; 
+x_36 = 1;
+x_37 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_36, x_31, x_36);
+lean_dec(x_10);
+x_38 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_38, 0, x_1);
+lean_ctor_set(x_38, 1, x_2);
+lean_ctor_set_uint64(x_38, sizeof(void*)*2, x_37);
+return x_38;
+}
+}
+else
+{
+if (x_14 == 0)
+{
+uint8_t x_39; uint8_t x_40; uint64_t x_41; lean_object* x_42; 
+x_39 = l_Lean_Expr_hasLevelParam(x_2);
+x_40 = 1;
+x_41 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_40, x_40, x_39);
+lean_dec(x_10);
+x_42 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_42, 0, x_1);
+lean_ctor_set(x_42, 1, x_2);
+lean_ctor_set_uint64(x_42, sizeof(void*)*2, x_41);
+return x_42;
+}
+else
+{
+uint8_t x_43; uint64_t x_44; lean_object* x_45; 
+x_43 = 1;
+x_44 = l_Lean_Expr_mkCachedData(x_7, x_10, x_15, x_43, x_43, x_43);
+lean_dec(x_10);
+x_45 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_45, 0, x_1);
+lean_ctor_set(x_45, 1, x_2);
+lean_ctor_set_uint64(x_45, sizeof(void*)*2, x_44);
+return x_45;
+}
+}
+}
+}
+else
+{
+if (x_12 == 0)
+{
+uint8_t x_46; 
+x_46 = l_Lean_Expr_hasExprMVar(x_2);
+if (x_13 == 0)
+{
+uint8_t x_47; 
+x_47 = l_Lean_Expr_hasLevelMVar(x_2);
+if (x_14 == 0)
+{
+uint8_t x_48; uint8_t x_49; uint64_t x_50; lean_object* x_51; 
+x_48 = l_Lean_Expr_hasLevelParam(x_2);
+x_49 = 1;
+x_50 = l_Lean_Expr_mkCachedData(x_7, x_10, x_49, x_46, x_47, x_48);
+lean_dec(x_10);
+x_51 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_51, 0, x_1);
+lean_ctor_set(x_51, 1, x_2);
+lean_ctor_set_uint64(x_51, sizeof(void*)*2, x_50);
+return x_51;
+}
+else
+{
+uint8_t x_52; uint64_t x_53; lean_object* x_54; 
+x_52 = 1;
+x_53 = l_Lean_Expr_mkCachedData(x_7, x_10, x_52, x_46, x_47, x_52);
+lean_dec(x_10);
+x_54 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_54, 0, x_1);
+lean_ctor_set(x_54, 1, x_2);
+lean_ctor_set_uint64(x_54, sizeof(void*)*2, x_53);
+return x_54;
+}
+}
+else
+{
+if (x_14 == 0)
+{
+uint8_t x_55; uint8_t x_56; uint64_t x_57; lean_object* x_58; 
+x_55 = l_Lean_Expr_hasLevelParam(x_2);
+x_56 = 1;
+x_57 = l_Lean_Expr_mkCachedData(x_7, x_10, x_56, x_46, x_56, x_55);
+lean_dec(x_10);
+x_58 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_58, 0, x_1);
+lean_ctor_set(x_58, 1, x_2);
+lean_ctor_set_uint64(x_58, sizeof(void*)*2, x_57);
+return x_58;
+}
+else
+{
+uint8_t x_59; uint64_t x_60; lean_object* x_61; 
+x_59 = 1;
+x_60 = l_Lean_Expr_mkCachedData(x_7, x_10, x_59, x_46, x_59, x_59);
+lean_dec(x_10);
+x_61 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_61, 0, x_1);
+lean_ctor_set(x_61, 1, x_2);
+lean_ctor_set_uint64(x_61, sizeof(void*)*2, x_60);
+return x_61;
+}
+}
+}
+else
+{
+if (x_13 == 0)
+{
+uint8_t x_62; 
+x_62 = l_Lean_Expr_hasLevelMVar(x_2);
+if (x_14 == 0)
+{
+uint8_t x_63; uint8_t x_64; uint64_t x_65; lean_object* x_66; 
+x_63 = l_Lean_Expr_hasLevelParam(x_2);
+x_64 = 1;
+x_65 = l_Lean_Expr_mkCachedData(x_7, x_10, x_64, x_64, x_62, x_63);
+lean_dec(x_10);
+x_66 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_66, 0, x_1);
+lean_ctor_set(x_66, 1, x_2);
+lean_ctor_set_uint64(x_66, sizeof(void*)*2, x_65);
+return x_66;
+}
+else
+{
+uint8_t x_67; uint64_t x_68; lean_object* x_69; 
+x_67 = 1;
+x_68 = l_Lean_Expr_mkCachedData(x_7, x_10, x_67, x_67, x_62, x_67);
+lean_dec(x_10);
+x_69 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_69, 0, x_1);
+lean_ctor_set(x_69, 1, x_2);
+lean_ctor_set_uint64(x_69, sizeof(void*)*2, x_68);
+return x_69;
+}
+}
+else
+{
+if (x_14 == 0)
+{
+uint8_t x_70; uint8_t x_71; uint64_t x_72; lean_object* x_73; 
+x_70 = l_Lean_Expr_hasLevelParam(x_2);
+x_71 = 1;
+x_72 = l_Lean_Expr_mkCachedData(x_7, x_10, x_71, x_71, x_71, x_70);
+lean_dec(x_10);
+x_73 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_73, 0, x_1);
+lean_ctor_set(x_73, 1, x_2);
+lean_ctor_set_uint64(x_73, sizeof(void*)*2, x_72);
+return x_73;
+}
+else
+{
+uint8_t x_74; uint64_t x_75; lean_object* x_76; 
+x_74 = 1;
+x_75 = l_Lean_Expr_mkCachedData(x_7, x_10, x_74, x_74, x_74, x_74);
+lean_dec(x_10);
+x_76 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_76, 0, x_1);
+lean_ctor_set(x_76, 1, x_2);
+lean_ctor_set_uint64(x_76, sizeof(void*)*2, x_75);
+return x_76;
+}
+}
+}
+}
+}
+}
+lean_object* l_Lean_mkLambda(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; size_t x_7; size_t x_8; size_t x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; uint8_t x_16; uint8_t x_17; uint8_t x_18; 
+x_5 = 31;
+x_6 = l_Lean_Expr_hash(x_3);
+x_7 = l_Lean_Expr_hash(x_4);
+x_8 = lean_usize_mix_hash(x_6, x_7);
+x_9 = lean_usize_mix_hash(x_5, x_8);
+x_10 = l_Lean_Expr_looseBVarRange(x_3);
+x_11 = l_Lean_Expr_looseBVarRange(x_4);
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_sub(x_11, x_12);
+lean_dec(x_11);
+x_14 = l_Nat_max(x_10, x_13);
+lean_dec(x_13);
+lean_dec(x_10);
+x_15 = l_Lean_Expr_hasFVar(x_3);
+x_16 = l_Lean_Expr_hasExprMVar(x_3);
+x_17 = l_Lean_Expr_hasLevelMVar(x_3);
+x_18 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_15 == 0)
+{
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasFVar(x_4);
+if (x_16 == 0)
+{
+uint8_t x_20; 
+x_20 = l_Lean_Expr_hasExprMVar(x_4);
+if (x_17 == 0)
+{
+uint8_t x_21; 
+x_21 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_22; uint64_t x_23; lean_object* x_24; 
+x_22 = l_Lean_Expr_hasLevelParam(x_4);
+x_23 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_21, x_22, x_2);
+lean_dec(x_14);
+x_24 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_24, 0, x_1);
+lean_ctor_set(x_24, 1, x_3);
+lean_ctor_set(x_24, 2, x_4);
+lean_ctor_set_uint64(x_24, sizeof(void*)*3, x_23);
+return x_24;
+}
+else
+{
+uint8_t x_25; uint64_t x_26; lean_object* x_27; 
+x_25 = 1;
+x_26 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_21, x_25, x_2);
+lean_dec(x_14);
+x_27 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_27, 0, x_1);
+lean_ctor_set(x_27, 1, x_3);
+lean_ctor_set(x_27, 2, x_4);
+lean_ctor_set_uint64(x_27, sizeof(void*)*3, x_26);
+return x_27;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_28; uint8_t x_29; uint64_t x_30; lean_object* x_31; 
+x_28 = l_Lean_Expr_hasLevelParam(x_4);
+x_29 = 1;
+x_30 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_29, x_28, x_2);
+lean_dec(x_14);
+x_31 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_31, 0, x_1);
+lean_ctor_set(x_31, 1, x_3);
+lean_ctor_set(x_31, 2, x_4);
+lean_ctor_set_uint64(x_31, sizeof(void*)*3, x_30);
+return x_31;
+}
+else
+{
+uint8_t x_32; uint64_t x_33; lean_object* x_34; 
+x_32 = 1;
+x_33 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_32, x_32, x_2);
+lean_dec(x_14);
+x_34 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_34, 0, x_1);
+lean_ctor_set(x_34, 1, x_3);
+lean_ctor_set(x_34, 2, x_4);
+lean_ctor_set_uint64(x_34, sizeof(void*)*3, x_33);
+return x_34;
+}
+}
+}
+else
+{
+if (x_17 == 0)
+{
+uint8_t x_35; 
+x_35 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_36; uint8_t x_37; uint64_t x_38; lean_object* x_39; 
+x_36 = l_Lean_Expr_hasLevelParam(x_4);
+x_37 = 1;
+x_38 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_37, x_35, x_36, x_2);
+lean_dec(x_14);
+x_39 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_39, 0, x_1);
+lean_ctor_set(x_39, 1, x_3);
+lean_ctor_set(x_39, 2, x_4);
+lean_ctor_set_uint64(x_39, sizeof(void*)*3, x_38);
+return x_39;
+}
+else
+{
+uint8_t x_40; uint64_t x_41; lean_object* x_42; 
+x_40 = 1;
+x_41 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_40, x_35, x_40, x_2);
+lean_dec(x_14);
+x_42 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_42, 0, x_1);
+lean_ctor_set(x_42, 1, x_3);
+lean_ctor_set(x_42, 2, x_4);
+lean_ctor_set_uint64(x_42, sizeof(void*)*3, x_41);
+return x_42;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_43; uint8_t x_44; uint64_t x_45; lean_object* x_46; 
+x_43 = l_Lean_Expr_hasLevelParam(x_4);
+x_44 = 1;
+x_45 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_44, x_44, x_43, x_2);
+lean_dec(x_14);
+x_46 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_46, 0, x_1);
+lean_ctor_set(x_46, 1, x_3);
+lean_ctor_set(x_46, 2, x_4);
+lean_ctor_set_uint64(x_46, sizeof(void*)*3, x_45);
+return x_46;
+}
+else
+{
+uint8_t x_47; uint64_t x_48; lean_object* x_49; 
+x_47 = 1;
+x_48 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_47, x_47, x_47, x_2);
+lean_dec(x_14);
+x_49 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_49, 0, x_1);
+lean_ctor_set(x_49, 1, x_3);
+lean_ctor_set(x_49, 2, x_4);
+lean_ctor_set_uint64(x_49, sizeof(void*)*3, x_48);
+return x_49;
+}
+}
+}
+}
+else
+{
+if (x_16 == 0)
+{
+uint8_t x_50; 
+x_50 = l_Lean_Expr_hasExprMVar(x_4);
+if (x_17 == 0)
+{
+uint8_t x_51; 
+x_51 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_52; uint8_t x_53; uint64_t x_54; lean_object* x_55; 
+x_52 = l_Lean_Expr_hasLevelParam(x_4);
+x_53 = 1;
+x_54 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_53, x_50, x_51, x_52, x_2);
+lean_dec(x_14);
+x_55 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_55, 0, x_1);
+lean_ctor_set(x_55, 1, x_3);
+lean_ctor_set(x_55, 2, x_4);
+lean_ctor_set_uint64(x_55, sizeof(void*)*3, x_54);
+return x_55;
+}
+else
+{
+uint8_t x_56; uint64_t x_57; lean_object* x_58; 
+x_56 = 1;
+x_57 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_56, x_50, x_51, x_56, x_2);
+lean_dec(x_14);
+x_58 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_58, 0, x_1);
+lean_ctor_set(x_58, 1, x_3);
+lean_ctor_set(x_58, 2, x_4);
+lean_ctor_set_uint64(x_58, sizeof(void*)*3, x_57);
+return x_58;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_59; uint8_t x_60; uint64_t x_61; lean_object* x_62; 
+x_59 = l_Lean_Expr_hasLevelParam(x_4);
+x_60 = 1;
+x_61 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_60, x_50, x_60, x_59, x_2);
+lean_dec(x_14);
+x_62 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_62, 0, x_1);
+lean_ctor_set(x_62, 1, x_3);
+lean_ctor_set(x_62, 2, x_4);
+lean_ctor_set_uint64(x_62, sizeof(void*)*3, x_61);
+return x_62;
+}
+else
+{
+uint8_t x_63; uint64_t x_64; lean_object* x_65; 
+x_63 = 1;
+x_64 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_63, x_50, x_63, x_63, x_2);
+lean_dec(x_14);
+x_65 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_65, 0, x_1);
+lean_ctor_set(x_65, 1, x_3);
+lean_ctor_set(x_65, 2, x_4);
+lean_ctor_set_uint64(x_65, sizeof(void*)*3, x_64);
+return x_65;
+}
+}
+}
+else
+{
+if (x_17 == 0)
+{
+uint8_t x_66; 
+x_66 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_67; uint8_t x_68; uint64_t x_69; lean_object* x_70; 
+x_67 = l_Lean_Expr_hasLevelParam(x_4);
+x_68 = 1;
+x_69 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_68, x_68, x_66, x_67, x_2);
+lean_dec(x_14);
+x_70 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_70, 0, x_1);
+lean_ctor_set(x_70, 1, x_3);
+lean_ctor_set(x_70, 2, x_4);
+lean_ctor_set_uint64(x_70, sizeof(void*)*3, x_69);
+return x_70;
+}
+else
+{
+uint8_t x_71; uint64_t x_72; lean_object* x_73; 
+x_71 = 1;
+x_72 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_71, x_71, x_66, x_71, x_2);
+lean_dec(x_14);
+x_73 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_73, 0, x_1);
+lean_ctor_set(x_73, 1, x_3);
+lean_ctor_set(x_73, 2, x_4);
+lean_ctor_set_uint64(x_73, sizeof(void*)*3, x_72);
+return x_73;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_74; uint8_t x_75; uint64_t x_76; lean_object* x_77; 
+x_74 = l_Lean_Expr_hasLevelParam(x_4);
+x_75 = 1;
+x_76 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_75, x_75, x_75, x_74, x_2);
+lean_dec(x_14);
+x_77 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_77, 0, x_1);
+lean_ctor_set(x_77, 1, x_3);
+lean_ctor_set(x_77, 2, x_4);
+lean_ctor_set_uint64(x_77, sizeof(void*)*3, x_76);
+return x_77;
+}
+else
+{
+uint8_t x_78; uint64_t x_79; lean_object* x_80; 
+x_78 = 1;
+x_79 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_78, x_78, x_78, x_78, x_2);
+lean_dec(x_14);
+x_80 = lean_alloc_ctor(6, 3, 8);
+lean_ctor_set(x_80, 0, x_1);
+lean_ctor_set(x_80, 1, x_3);
+lean_ctor_set(x_80, 2, x_4);
+lean_ctor_set_uint64(x_80, sizeof(void*)*3, x_79);
+return x_80;
+}
+}
+}
+}
+}
+}
+lean_object* l_Lean_mkLambda___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_2);
+lean_dec(x_2);
+x_6 = l_Lean_mkLambda(x_1, x_5, x_3, x_4);
+return x_6;
+}
+}
+lean_object* l_Lean_mkForall(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; size_t x_7; size_t x_8; size_t x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; uint8_t x_16; uint8_t x_17; uint8_t x_18; 
+x_5 = 37;
+x_6 = l_Lean_Expr_hash(x_3);
+x_7 = l_Lean_Expr_hash(x_4);
+x_8 = lean_usize_mix_hash(x_6, x_7);
+x_9 = lean_usize_mix_hash(x_5, x_8);
+x_10 = l_Lean_Expr_looseBVarRange(x_3);
+x_11 = l_Lean_Expr_looseBVarRange(x_4);
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_sub(x_11, x_12);
+lean_dec(x_11);
+x_14 = l_Nat_max(x_10, x_13);
+lean_dec(x_13);
+lean_dec(x_10);
+x_15 = l_Lean_Expr_hasFVar(x_3);
+x_16 = l_Lean_Expr_hasExprMVar(x_3);
+x_17 = l_Lean_Expr_hasLevelMVar(x_3);
+x_18 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_15 == 0)
+{
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasFVar(x_4);
+if (x_16 == 0)
+{
+uint8_t x_20; 
+x_20 = l_Lean_Expr_hasExprMVar(x_4);
+if (x_17 == 0)
+{
+uint8_t x_21; 
+x_21 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_22; uint64_t x_23; lean_object* x_24; 
+x_22 = l_Lean_Expr_hasLevelParam(x_4);
+x_23 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_21, x_22, x_2);
+lean_dec(x_14);
+x_24 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_24, 0, x_1);
+lean_ctor_set(x_24, 1, x_3);
+lean_ctor_set(x_24, 2, x_4);
+lean_ctor_set_uint64(x_24, sizeof(void*)*3, x_23);
+return x_24;
+}
+else
+{
+uint8_t x_25; uint64_t x_26; lean_object* x_27; 
+x_25 = 1;
+x_26 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_21, x_25, x_2);
+lean_dec(x_14);
+x_27 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_27, 0, x_1);
+lean_ctor_set(x_27, 1, x_3);
+lean_ctor_set(x_27, 2, x_4);
+lean_ctor_set_uint64(x_27, sizeof(void*)*3, x_26);
+return x_27;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_28; uint8_t x_29; uint64_t x_30; lean_object* x_31; 
+x_28 = l_Lean_Expr_hasLevelParam(x_4);
+x_29 = 1;
+x_30 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_29, x_28, x_2);
+lean_dec(x_14);
+x_31 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_31, 0, x_1);
+lean_ctor_set(x_31, 1, x_3);
+lean_ctor_set(x_31, 2, x_4);
+lean_ctor_set_uint64(x_31, sizeof(void*)*3, x_30);
+return x_31;
+}
+else
+{
+uint8_t x_32; uint64_t x_33; lean_object* x_34; 
+x_32 = 1;
+x_33 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_20, x_32, x_32, x_2);
+lean_dec(x_14);
+x_34 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_34, 0, x_1);
+lean_ctor_set(x_34, 1, x_3);
+lean_ctor_set(x_34, 2, x_4);
+lean_ctor_set_uint64(x_34, sizeof(void*)*3, x_33);
+return x_34;
+}
+}
+}
+else
+{
+if (x_17 == 0)
+{
+uint8_t x_35; 
+x_35 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_36; uint8_t x_37; uint64_t x_38; lean_object* x_39; 
+x_36 = l_Lean_Expr_hasLevelParam(x_4);
+x_37 = 1;
+x_38 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_37, x_35, x_36, x_2);
+lean_dec(x_14);
+x_39 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_39, 0, x_1);
+lean_ctor_set(x_39, 1, x_3);
+lean_ctor_set(x_39, 2, x_4);
+lean_ctor_set_uint64(x_39, sizeof(void*)*3, x_38);
+return x_39;
+}
+else
+{
+uint8_t x_40; uint64_t x_41; lean_object* x_42; 
+x_40 = 1;
+x_41 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_40, x_35, x_40, x_2);
+lean_dec(x_14);
+x_42 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_42, 0, x_1);
+lean_ctor_set(x_42, 1, x_3);
+lean_ctor_set(x_42, 2, x_4);
+lean_ctor_set_uint64(x_42, sizeof(void*)*3, x_41);
+return x_42;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_43; uint8_t x_44; uint64_t x_45; lean_object* x_46; 
+x_43 = l_Lean_Expr_hasLevelParam(x_4);
+x_44 = 1;
+x_45 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_44, x_44, x_43, x_2);
+lean_dec(x_14);
+x_46 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_46, 0, x_1);
+lean_ctor_set(x_46, 1, x_3);
+lean_ctor_set(x_46, 2, x_4);
+lean_ctor_set_uint64(x_46, sizeof(void*)*3, x_45);
+return x_46;
+}
+else
+{
+uint8_t x_47; uint64_t x_48; lean_object* x_49; 
+x_47 = 1;
+x_48 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_19, x_47, x_47, x_47, x_2);
+lean_dec(x_14);
+x_49 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_49, 0, x_1);
+lean_ctor_set(x_49, 1, x_3);
+lean_ctor_set(x_49, 2, x_4);
+lean_ctor_set_uint64(x_49, sizeof(void*)*3, x_48);
+return x_49;
+}
+}
+}
+}
+else
+{
+if (x_16 == 0)
+{
+uint8_t x_50; 
+x_50 = l_Lean_Expr_hasExprMVar(x_4);
+if (x_17 == 0)
+{
+uint8_t x_51; 
+x_51 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_52; uint8_t x_53; uint64_t x_54; lean_object* x_55; 
+x_52 = l_Lean_Expr_hasLevelParam(x_4);
+x_53 = 1;
+x_54 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_53, x_50, x_51, x_52, x_2);
+lean_dec(x_14);
+x_55 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_55, 0, x_1);
+lean_ctor_set(x_55, 1, x_3);
+lean_ctor_set(x_55, 2, x_4);
+lean_ctor_set_uint64(x_55, sizeof(void*)*3, x_54);
+return x_55;
+}
+else
+{
+uint8_t x_56; uint64_t x_57; lean_object* x_58; 
+x_56 = 1;
+x_57 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_56, x_50, x_51, x_56, x_2);
+lean_dec(x_14);
+x_58 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_58, 0, x_1);
+lean_ctor_set(x_58, 1, x_3);
+lean_ctor_set(x_58, 2, x_4);
+lean_ctor_set_uint64(x_58, sizeof(void*)*3, x_57);
+return x_58;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_59; uint8_t x_60; uint64_t x_61; lean_object* x_62; 
+x_59 = l_Lean_Expr_hasLevelParam(x_4);
+x_60 = 1;
+x_61 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_60, x_50, x_60, x_59, x_2);
+lean_dec(x_14);
+x_62 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_62, 0, x_1);
+lean_ctor_set(x_62, 1, x_3);
+lean_ctor_set(x_62, 2, x_4);
+lean_ctor_set_uint64(x_62, sizeof(void*)*3, x_61);
+return x_62;
+}
+else
+{
+uint8_t x_63; uint64_t x_64; lean_object* x_65; 
+x_63 = 1;
+x_64 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_63, x_50, x_63, x_63, x_2);
+lean_dec(x_14);
+x_65 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_65, 0, x_1);
+lean_ctor_set(x_65, 1, x_3);
+lean_ctor_set(x_65, 2, x_4);
+lean_ctor_set_uint64(x_65, sizeof(void*)*3, x_64);
+return x_65;
+}
+}
+}
+else
+{
+if (x_17 == 0)
+{
+uint8_t x_66; 
+x_66 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_18 == 0)
+{
+uint8_t x_67; uint8_t x_68; uint64_t x_69; lean_object* x_70; 
+x_67 = l_Lean_Expr_hasLevelParam(x_4);
+x_68 = 1;
+x_69 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_68, x_68, x_66, x_67, x_2);
+lean_dec(x_14);
+x_70 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_70, 0, x_1);
+lean_ctor_set(x_70, 1, x_3);
+lean_ctor_set(x_70, 2, x_4);
+lean_ctor_set_uint64(x_70, sizeof(void*)*3, x_69);
+return x_70;
+}
+else
+{
+uint8_t x_71; uint64_t x_72; lean_object* x_73; 
+x_71 = 1;
+x_72 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_71, x_71, x_66, x_71, x_2);
+lean_dec(x_14);
+x_73 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_73, 0, x_1);
+lean_ctor_set(x_73, 1, x_3);
+lean_ctor_set(x_73, 2, x_4);
+lean_ctor_set_uint64(x_73, sizeof(void*)*3, x_72);
+return x_73;
+}
+}
+else
+{
+if (x_18 == 0)
+{
+uint8_t x_74; uint8_t x_75; uint64_t x_76; lean_object* x_77; 
+x_74 = l_Lean_Expr_hasLevelParam(x_4);
+x_75 = 1;
+x_76 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_75, x_75, x_75, x_74, x_2);
+lean_dec(x_14);
+x_77 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_77, 0, x_1);
+lean_ctor_set(x_77, 1, x_3);
+lean_ctor_set(x_77, 2, x_4);
+lean_ctor_set_uint64(x_77, sizeof(void*)*3, x_76);
+return x_77;
+}
+else
+{
+uint8_t x_78; uint64_t x_79; lean_object* x_80; 
+x_78 = 1;
+x_79 = l_Lean_Expr_mkCachedDataForBinder(x_9, x_14, x_78, x_78, x_78, x_78, x_2);
+lean_dec(x_14);
+x_80 = lean_alloc_ctor(7, 3, 8);
+lean_ctor_set(x_80, 0, x_1);
+lean_ctor_set(x_80, 1, x_3);
+lean_ctor_set(x_80, 2, x_4);
+lean_ctor_set_uint64(x_80, sizeof(void*)*3, x_79);
+return x_80;
+}
+}
+}
+}
+}
+}
+lean_object* l_Lean_mkForall___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_2);
+lean_dec(x_2);
+x_6 = l_Lean_mkForall(x_1, x_5, x_3, x_4);
+return x_6;
+}
+}
+lean_object* l_Lean_mkLet(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5) {
+_start:
+{
+size_t x_6; size_t x_7; size_t x_8; size_t x_9; size_t x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; uint8_t x_23; uint8_t x_24; 
+x_6 = 41;
+x_7 = l_Lean_Expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_3);
+x_9 = l_Lean_Expr_hash(x_4);
+x_10 = lean_usize_mix_hash(x_8, x_9);
+x_11 = lean_usize_mix_hash(x_7, x_10);
+x_12 = lean_usize_mix_hash(x_6, x_11);
+x_13 = l_Lean_Expr_looseBVarRange(x_2);
+x_14 = l_Lean_Expr_looseBVarRange(x_3);
+x_15 = l_Nat_max(x_13, x_14);
+lean_dec(x_14);
+lean_dec(x_13);
+x_16 = l_Lean_Expr_looseBVarRange(x_4);
+x_17 = lean_unsigned_to_nat(1u);
+x_18 = lean_nat_sub(x_16, x_17);
+lean_dec(x_16);
+x_19 = l_Nat_max(x_15, x_18);
+lean_dec(x_18);
+lean_dec(x_15);
+x_20 = l_Lean_Expr_hasFVar(x_2);
+x_21 = l_Lean_Expr_hasExprMVar(x_2);
+x_22 = l_Lean_Expr_hasLevelMVar(x_2);
+x_23 = l_Lean_Expr_hasLevelParam(x_2);
+if (x_20 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasFVar(x_3);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+x_89 = l_Lean_Expr_hasFVar(x_4);
+x_24 = x_89;
+goto block_87;
+}
+else
+{
+uint8_t x_90; 
+x_90 = 1;
+x_24 = x_90;
+goto block_87;
+}
+}
+else
+{
+uint8_t x_91; 
+x_91 = 1;
+x_24 = x_91;
+goto block_87;
+}
+block_87:
+{
+uint8_t x_25; 
+if (x_21 == 0)
+{
+uint8_t x_50; 
+x_50 = l_Lean_Expr_hasExprMVar(x_3);
+if (x_50 == 0)
+{
+uint8_t x_51; 
+x_51 = l_Lean_Expr_hasExprMVar(x_4);
+if (x_22 == 0)
+{
+x_25 = x_51;
+goto block_49;
+}
+else
+{
+if (x_23 == 0)
+{
+uint8_t x_52; 
+x_52 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_52 == 0)
+{
+uint8_t x_53; uint8_t x_54; uint64_t x_55; lean_object* x_56; 
+x_53 = l_Lean_Expr_hasLevelParam(x_4);
+x_54 = 1;
+x_55 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_51, x_54, x_53, x_5);
+lean_dec(x_19);
+x_56 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_56, 0, x_1);
+lean_ctor_set(x_56, 1, x_2);
+lean_ctor_set(x_56, 2, x_3);
+lean_ctor_set(x_56, 3, x_4);
+lean_ctor_set_uint64(x_56, sizeof(void*)*4, x_55);
+return x_56;
+}
+else
+{
+uint8_t x_57; uint64_t x_58; lean_object* x_59; 
+x_57 = 1;
+x_58 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_51, x_57, x_57, x_5);
+lean_dec(x_19);
+x_59 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_59, 0, x_1);
+lean_ctor_set(x_59, 1, x_2);
+lean_ctor_set(x_59, 2, x_3);
+lean_ctor_set(x_59, 3, x_4);
+lean_ctor_set_uint64(x_59, sizeof(void*)*4, x_58);
+return x_59;
+}
+}
+else
+{
+uint8_t x_60; uint64_t x_61; lean_object* x_62; 
+x_60 = 1;
+x_61 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_51, x_60, x_60, x_5);
+lean_dec(x_19);
+x_62 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_62, 0, x_1);
+lean_ctor_set(x_62, 1, x_2);
+lean_ctor_set(x_62, 2, x_3);
+lean_ctor_set(x_62, 3, x_4);
+lean_ctor_set_uint64(x_62, sizeof(void*)*4, x_61);
+return x_62;
+}
+}
+}
+else
+{
+if (x_22 == 0)
+{
+uint8_t x_63; 
+x_63 = 1;
+x_25 = x_63;
+goto block_49;
+}
+else
+{
+if (x_23 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_64 == 0)
+{
+uint8_t x_65; uint8_t x_66; uint64_t x_67; lean_object* x_68; 
+x_65 = l_Lean_Expr_hasLevelParam(x_4);
+x_66 = 1;
+x_67 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_66, x_66, x_65, x_5);
+lean_dec(x_19);
+x_68 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_68, 0, x_1);
+lean_ctor_set(x_68, 1, x_2);
+lean_ctor_set(x_68, 2, x_3);
+lean_ctor_set(x_68, 3, x_4);
+lean_ctor_set_uint64(x_68, sizeof(void*)*4, x_67);
+return x_68;
+}
+else
+{
+uint8_t x_69; uint64_t x_70; lean_object* x_71; 
+x_69 = 1;
+x_70 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_69, x_69, x_69, x_5);
+lean_dec(x_19);
+x_71 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_71, 0, x_1);
+lean_ctor_set(x_71, 1, x_2);
+lean_ctor_set(x_71, 2, x_3);
+lean_ctor_set(x_71, 3, x_4);
+lean_ctor_set_uint64(x_71, sizeof(void*)*4, x_70);
+return x_71;
+}
+}
+else
+{
+uint8_t x_72; uint64_t x_73; lean_object* x_74; 
+x_72 = 1;
+x_73 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_72, x_72, x_72, x_5);
+lean_dec(x_19);
+x_74 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_74, 0, x_1);
+lean_ctor_set(x_74, 1, x_2);
+lean_ctor_set(x_74, 2, x_3);
+lean_ctor_set(x_74, 3, x_4);
+lean_ctor_set_uint64(x_74, sizeof(void*)*4, x_73);
+return x_74;
+}
+}
+}
+}
+else
+{
+if (x_22 == 0)
+{
+uint8_t x_75; 
+x_75 = 1;
+x_25 = x_75;
+goto block_49;
+}
+else
+{
+if (x_23 == 0)
+{
+uint8_t x_76; 
+x_76 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_76 == 0)
+{
+uint8_t x_77; uint8_t x_78; uint64_t x_79; lean_object* x_80; 
+x_77 = l_Lean_Expr_hasLevelParam(x_4);
+x_78 = 1;
+x_79 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_78, x_78, x_77, x_5);
+lean_dec(x_19);
+x_80 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_80, 0, x_1);
+lean_ctor_set(x_80, 1, x_2);
+lean_ctor_set(x_80, 2, x_3);
+lean_ctor_set(x_80, 3, x_4);
+lean_ctor_set_uint64(x_80, sizeof(void*)*4, x_79);
+return x_80;
+}
+else
+{
+uint8_t x_81; uint64_t x_82; lean_object* x_83; 
+x_81 = 1;
+x_82 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_81, x_81, x_81, x_5);
+lean_dec(x_19);
+x_83 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_83, 0, x_1);
+lean_ctor_set(x_83, 1, x_2);
+lean_ctor_set(x_83, 2, x_3);
+lean_ctor_set(x_83, 3, x_4);
+lean_ctor_set_uint64(x_83, sizeof(void*)*4, x_82);
+return x_83;
+}
+}
+else
+{
+uint8_t x_84; uint64_t x_85; lean_object* x_86; 
+x_84 = 1;
+x_85 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_84, x_84, x_84, x_5);
+lean_dec(x_19);
+x_86 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_86, 0, x_1);
+lean_ctor_set(x_86, 1, x_2);
+lean_ctor_set(x_86, 2, x_3);
+lean_ctor_set(x_86, 3, x_4);
+lean_ctor_set_uint64(x_86, sizeof(void*)*4, x_85);
+return x_86;
+}
+}
+}
+block_49:
+{
+uint8_t x_26; 
+x_26 = l_Lean_Expr_hasLevelMVar(x_3);
+if (x_26 == 0)
+{
+uint8_t x_27; 
+x_27 = l_Lean_Expr_hasLevelMVar(x_4);
+if (x_23 == 0)
+{
+uint8_t x_28; 
+x_28 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_28 == 0)
+{
+uint8_t x_29; uint64_t x_30; lean_object* x_31; 
+x_29 = l_Lean_Expr_hasLevelParam(x_4);
+x_30 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_27, x_29, x_5);
+lean_dec(x_19);
+x_31 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_31, 0, x_1);
+lean_ctor_set(x_31, 1, x_2);
+lean_ctor_set(x_31, 2, x_3);
+lean_ctor_set(x_31, 3, x_4);
+lean_ctor_set_uint64(x_31, sizeof(void*)*4, x_30);
+return x_31;
+}
+else
+{
+uint8_t x_32; uint64_t x_33; lean_object* x_34; 
+x_32 = 1;
+x_33 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_27, x_32, x_5);
+lean_dec(x_19);
+x_34 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_34, 0, x_1);
+lean_ctor_set(x_34, 1, x_2);
+lean_ctor_set(x_34, 2, x_3);
+lean_ctor_set(x_34, 3, x_4);
+lean_ctor_set_uint64(x_34, sizeof(void*)*4, x_33);
+return x_34;
+}
+}
+else
+{
+uint8_t x_35; uint64_t x_36; lean_object* x_37; 
+x_35 = 1;
+x_36 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_27, x_35, x_5);
+lean_dec(x_19);
+x_37 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_37, 0, x_1);
+lean_ctor_set(x_37, 1, x_2);
+lean_ctor_set(x_37, 2, x_3);
+lean_ctor_set(x_37, 3, x_4);
+lean_ctor_set_uint64(x_37, sizeof(void*)*4, x_36);
+return x_37;
+}
+}
+else
+{
+if (x_23 == 0)
+{
+uint8_t x_38; 
+x_38 = l_Lean_Expr_hasLevelParam(x_3);
+if (x_38 == 0)
+{
+uint8_t x_39; uint8_t x_40; uint64_t x_41; lean_object* x_42; 
+x_39 = l_Lean_Expr_hasLevelParam(x_4);
+x_40 = 1;
+x_41 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_40, x_39, x_5);
+lean_dec(x_19);
+x_42 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_42, 0, x_1);
+lean_ctor_set(x_42, 1, x_2);
+lean_ctor_set(x_42, 2, x_3);
+lean_ctor_set(x_42, 3, x_4);
+lean_ctor_set_uint64(x_42, sizeof(void*)*4, x_41);
+return x_42;
+}
+else
+{
+uint8_t x_43; uint64_t x_44; lean_object* x_45; 
+x_43 = 1;
+x_44 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_43, x_43, x_5);
+lean_dec(x_19);
+x_45 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_45, 0, x_1);
+lean_ctor_set(x_45, 1, x_2);
+lean_ctor_set(x_45, 2, x_3);
+lean_ctor_set(x_45, 3, x_4);
+lean_ctor_set_uint64(x_45, sizeof(void*)*4, x_44);
+return x_45;
+}
+}
+else
+{
+uint8_t x_46; uint64_t x_47; lean_object* x_48; 
+x_46 = 1;
+x_47 = l_Lean_Expr_mkCachedDataForLet(x_12, x_19, x_24, x_25, x_46, x_46, x_5);
+lean_dec(x_19);
+x_48 = lean_alloc_ctor(8, 4, 8);
+lean_ctor_set(x_48, 0, x_1);
+lean_ctor_set(x_48, 1, x_2);
+lean_ctor_set(x_48, 2, x_3);
+lean_ctor_set(x_48, 3, x_4);
+lean_ctor_set_uint64(x_48, sizeof(void*)*4, x_47);
+return x_48;
+}
+}
+}
+}
+}
+}
+lean_object* l_Lean_mkLet___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; lean_object* x_7; 
+x_6 = lean_unbox(x_5);
+lean_dec(x_5);
+x_7 = l_Lean_mkLet(x_1, x_2, x_3, x_4, x_6);
+return x_7;
+}
+}
+lean_object* l_Lean_mkLocal(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4) {
+_start:
+{
+size_t x_5; size_t x_6; size_t x_7; lean_object* x_8; uint8_t x_9; uint8_t x_10; uint8_t x_11; uint8_t x_12; uint64_t x_13; lean_object* x_14; 
+x_5 = 43;
+x_6 = l_Lean_Expr_hash(x_3);
+x_7 = lean_usize_mix_hash(x_5, x_6);
+x_8 = l_Lean_Expr_looseBVarRange(x_3);
+x_9 = l_Lean_Expr_hasExprMVar(x_3);
+x_10 = l_Lean_Expr_hasLevelMVar(x_3);
+x_11 = l_Lean_Expr_hasLevelParam(x_3);
+x_12 = 1;
+x_13 = l_Lean_Expr_mkCachedDataForBinder(x_7, x_8, x_12, x_9, x_10, x_11, x_4);
+lean_dec(x_8);
+x_14 = lean_alloc_ctor(12, 3, 8);
+lean_ctor_set(x_14, 0, x_1);
+lean_ctor_set(x_14, 1, x_2);
+lean_ctor_set(x_14, 2, x_3);
+lean_ctor_set_uint64(x_14, sizeof(void*)*3, x_13);
+return x_14;
+}
+}
+lean_object* l_Lean_mkLocal___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_4);
+lean_dec(x_4);
+x_6 = l_Lean_mkLocal(x_1, x_2, x_3, x_5);
+return x_6;
+}
+}
+lean_object* lean_expr_mk_bvar(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_mkBVar(x_1);
+return x_2;
+}
+}
+lean_object* lean_expr_mk_fvar(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_mkFVar(x_1);
+return x_2;
+}
+}
+lean_object* lean_expr_mk_mvar(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_mkMVar(x_1);
+return x_2;
+}
+}
+lean_object* lean_expr_mk_sort(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_mkSort(x_1);
+return x_2;
+}
+}
+lean_object* lean_expr_mk_const(lean_object* x_1, lean_object* x_2) {
+_start:
+{
 lean_object* x_3; 
-x_3 = lean_expr_mk_app(x_1, x_2);
+x_3 = l_Lean_mkConst(x_1, x_2);
 return x_3;
 }
 }
+lean_object* lean_expr_mk_app(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_mkApp(x_1, x_2);
+return x_3;
+}
+}
+lean_object* lean_expr_mk_lambda(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_mkLambda(x_1, x_4, x_2, x_3);
+return x_5;
+}
+}
+lean_object* l_Lean_mkLambdaEx___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_4);
+lean_dec(x_4);
+x_6 = lean_expr_mk_lambda(x_1, x_2, x_3, x_5);
+return x_6;
+}
+}
+lean_object* lean_expr_mk_forall(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_mkForall(x_1, x_4, x_2, x_3);
+return x_5;
+}
+}
+lean_object* l_Lean_mkForallEx___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_4);
+lean_dec(x_4);
+x_6 = lean_expr_mk_forall(x_1, x_2, x_3, x_5);
+return x_6;
+}
+}
+lean_object* lean_expr_mk_let(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = 0;
+x_6 = l_Lean_mkLet(x_1, x_2, x_3, x_4, x_5);
+return x_6;
+}
+}
+lean_object* lean_expr_mk_lit(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_mkLit(x_1);
+return x_2;
+}
+}
+lean_object* lean_expr_mk_mdata(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_mkMData(x_1, x_2);
+return x_3;
+}
+}
+lean_object* lean_expr_mk_proj(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_mkProj(x_1, x_2, x_3);
+return x_4;
+}
+}
+lean_object* lean_expr_mk_local(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_mkLocal(x_1, x_2, x_3, x_4);
+return x_5;
+}
+}
+lean_object* l_Lean_mkLocalEx___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_4);
+lean_dec(x_4);
+x_6 = lean_expr_mk_local(x_1, x_2, x_3, x_5);
+return x_6;
+}
+}
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -1533,7 +4307,7 @@ else
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 x_7 = lean_array_fget(x_2, x_3);
-x_8 = lean_expr_mk_app(x_4, x_7);
+x_8 = l_Lean_mkApp(x_4, x_7);
 x_9 = lean_unsigned_to_nat(1u);
 x_10 = lean_nat_add(x_3, x_9);
 lean_dec(x_3);
@@ -1571,51 +4345,7 @@ lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_mkLambda(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_expr_mk_lambda(x_1, x_2, x_3, x_4);
-return x_5;
-}
-}
-lean_object* l_Lean_mkLambda___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = l_Lean_mkLambda(x_1, x_5, x_3, x_4);
-return x_6;
-}
-}
-lean_object* l_Lean_mkForall(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_expr_mk_forall(x_1, x_2, x_3, x_4);
-return x_5;
-}
-}
-lean_object* l_Lean_mkForall___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; lean_object* x_6; 
-x_5 = lean_unbox(x_2);
-lean_dec(x_2);
-x_6 = l_Lean_mkForall(x_1, x_5, x_3, x_4);
-return x_6;
-}
-}
-lean_object* l_Lean_mkLet(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_expr_mk_let(x_1, x_2, x_3, x_4);
-return x_5;
-}
-}
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -1630,39 +4360,39 @@ else
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 x_6 = lean_unsigned_to_nat(1u);
 x_7 = lean_nat_add(x_3, x_6);
-x_8 = l_Lean_Expr_inhabited;
+x_8 = l_Lean_Expr_Inhabited;
 x_9 = lean_array_get(x_8, x_2, x_3);
 lean_dec(x_3);
-x_10 = lean_expr_mk_app(x_4, x_9);
+x_10 = l_Lean_mkApp(x_4, x_9);
 x_3 = x_7;
 x_4 = x_10;
 goto _start;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_3__mkAppRangeAux(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_2__mkAppRangeAux(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_5;
@@ -1672,7 +4402,7 @@ lean_object* l_Lean_mkAppRange(lean_object* x_1, lean_object* x_2, lean_object*
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_3, x_4, x_2, x_1);
+x_5 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_3, x_4, x_2, x_1);
 return x_5;
 }
 }
@@ -1699,7 +4429,7 @@ x_8 = lean_unsigned_to_nat(1u);
 x_9 = lean_nat_sub(x_3, x_8);
 lean_dec(x_3);
 x_10 = lean_array_fget(x_2, x_9);
-x_11 = lean_expr_mk_app(x_5, x_10);
+x_11 = l_Lean_mkApp(x_5, x_10);
 x_3 = x_9;
 x_4 = lean_box(0);
 x_5 = x_11;
@@ -1740,32 +4470,6 @@ lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_Expr_hash___boxed(lean_object* x_1) {
-_start:
-{
-size_t x_2; lean_object* x_3; 
-x_2 = lean_expr_hash(x_1);
-lean_dec(x_1);
-x_3 = lean_box_usize(x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Expr_Hashable___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Expr_hash___boxed), 1, 0);
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Expr_Hashable() {
-_start:
-{
-lean_object* x_1; 
-x_1 = l_Lean_Expr_Hashable___closed__1;
-return x_1;
-}
-}
 lean_object* l_Lean_Expr_dbgToString___boxed(lean_object* x_1) {
 _start:
 {
@@ -1835,65 +4539,6 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_Expr_hasExprMVar___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = lean_expr_has_expr_mvar(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-lean_object* l_Lean_Expr_hasLevelMVar___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = lean_expr_has_level_mvar(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-uint8_t l_Lean_Expr_hasMVar(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = lean_expr_has_expr_mvar(x_1);
-if (x_2 == 0)
-{
-uint8_t x_3; 
-x_3 = lean_expr_has_level_mvar(x_1);
-return x_3;
-}
-else
-{
-uint8_t x_4; 
-x_4 = 1;
-return x_4;
-}
-}
-}
-lean_object* l_Lean_Expr_hasMVar___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_hasMVar(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-lean_object* l_Lean_Expr_hasFVar___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = lean_expr_has_fvar(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
 uint8_t l_Lean_Expr_isSort(lean_object* x_1) {
 _start:
 {
@@ -2362,7 +5007,7 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 5)
@@ -2390,31 +5035,40 @@ return x_2;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_2, x_3);
+x_4 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_2, x_3);
 return x_4;
 }
 }
+lean_object* _init_l_Lean_Expr_getAppArgs___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_box(0);
+x_2 = l_Lean_mkSort(x_1);
+return x_2;
+}
+}
 lean_object* l_Lean_Expr_getAppArgs(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_2);
-x_4 = l_Lean_Expr_inhabited___closed__1;
+x_4 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_3);
 x_5 = lean_mk_array(x_3, x_4);
 x_6 = lean_unsigned_to_nat(1u);
 x_7 = lean_nat_sub(x_3, x_6);
 lean_dec(x_3);
-x_8 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_5, x_7);
+x_8 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_5, x_7);
 return x_8;
 }
 }
-lean_object* l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(lean_object* x_1, lean_object* x_2) {
+lean_object* l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 5)
@@ -2437,11 +5091,11 @@ return x_2;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_5__getAppRevArgsAux(lean_object* x_1, lean_object* x_2) {
+lean_object* l___private_Init_Lean_Expr_4__getAppRevArgsAux(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_1, x_2);
+x_3 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_1, x_2);
 return x_3;
 }
 }
@@ -2453,7 +5107,7 @@ x_2 = lean_unsigned_to_nat(0u);
 x_3 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_2);
 x_4 = lean_mk_empty_array_with_capacity(x_3);
 lean_dec(x_3);
-x_5 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_1, x_4);
+x_5 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_1, x_4);
 return x_5;
 }
 }
@@ -2516,7 +5170,7 @@ _start:
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 x_3 = lean_unsigned_to_nat(0u);
 x_4 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_3);
-x_5 = l_Lean_Expr_inhabited___closed__1;
+x_5 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_4);
 x_6 = lean_mk_array(x_4, x_5);
 x_7 = lean_unsigned_to_nat(1u);
@@ -2534,7 +5188,7 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Expr_withApp___rarg), 2, 0);
 return x_2;
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 5)
@@ -2558,27 +5212,27 @@ return x_8;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main(lean_object* x_1) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l___private_Init_Lean_Expr_6__withAppRevAux___main___rarg), 3, 0);
+x_2 = lean_alloc_closure((void*)(l___private_Init_Lean_Expr_5__withAppRevAux___main___rarg), 3, 0);
 return x_2;
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Init_Lean_Expr_6__withAppRevAux___main___rarg(x_1, x_2, x_3);
+x_4 = l___private_Init_Lean_Expr_5__withAppRevAux___main___rarg(x_1, x_2, x_3);
 return x_4;
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux(lean_object* x_1) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l___private_Init_Lean_Expr_6__withAppRevAux___rarg), 3, 0);
+x_2 = lean_alloc_closure((void*)(l___private_Init_Lean_Expr_5__withAppRevAux___rarg), 3, 0);
 return x_2;
 }
 }
@@ -2590,7 +5244,7 @@ x_3 = lean_unsigned_to_nat(0u);
 x_4 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_3);
 x_5 = lean_mk_empty_array_with_capacity(x_4);
 lean_dec(x_4);
-x_6 = l___private_Init_Lean_Expr_6__withAppRevAux___main___rarg(x_2, x_1, x_5);
+x_6 = l___private_Init_Lean_Expr_5__withAppRevAux___main___rarg(x_2, x_1, x_5);
 return x_6;
 }
 }
@@ -2669,9 +5323,9 @@ lean_object* _init_l_Lean_Expr_getRevArg_x21___main___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(368u);
-x_3 = lean_unsigned_to_nat(18u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(454u);
+x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_List_get_x21___main___rarg___closed__2;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -2708,7 +5362,7 @@ else
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 lean_dec(x_2);
-x_10 = l_Lean_Expr_inhabited;
+x_10 = l_Lean_Expr_Inhabited;
 x_11 = l_Lean_Expr_getRevArg_x21___main___closed__1;
 x_12 = lean_panic_fn(x_11);
 return x_12;
@@ -2923,9 +5577,9 @@ lean_object* _init_l_Lean_Expr_appFn_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(388u);
-x_3 = lean_unsigned_to_nat(13u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(474u);
+x_3 = lean_unsigned_to_nat(15u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -2944,7 +5598,7 @@ return x_2;
 else
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_3 = l_Lean_Expr_inhabited;
+x_3 = l_Lean_Expr_Inhabited;
 x_4 = l_Lean_Expr_appFn_x21___closed__2;
 x_5 = lean_panic_fn(x_4);
 return x_5;
@@ -2964,9 +5618,9 @@ lean_object* _init_l_Lean_Expr_appArg_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(392u);
-x_3 = lean_unsigned_to_nat(13u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(478u);
+x_3 = lean_unsigned_to_nat(15u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -2985,7 +5639,7 @@ return x_2;
 else
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_3 = l_Lean_Expr_inhabited;
+x_3 = l_Lean_Expr_Inhabited;
 x_4 = l_Lean_Expr_appArg_x21___closed__1;
 x_5 = lean_panic_fn(x_4);
 return x_5;
@@ -3013,9 +5667,9 @@ lean_object* _init_l_Lean_Expr_constName_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(396u);
-x_3 = lean_unsigned_to_nat(15u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(482u);
+x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3054,9 +5708,9 @@ lean_object* _init_l_Lean_Expr_constLevels_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(400u);
-x_3 = lean_unsigned_to_nat(16u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(486u);
+x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3103,9 +5757,9 @@ lean_object* _init_l_Lean_Expr_bvarIdx_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(404u);
-x_3 = lean_unsigned_to_nat(14u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(490u);
+x_3 = lean_unsigned_to_nat(16u);
 x_4 = l_Lean_Expr_bvarIdx_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3152,9 +5806,9 @@ lean_object* _init_l_Lean_Expr_fvarId_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(408u);
-x_3 = lean_unsigned_to_nat(12u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(494u);
+x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_fvarId_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3201,9 +5855,9 @@ lean_object* _init_l_Lean_Expr_mvarId_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(412u);
-x_3 = lean_unsigned_to_nat(12u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(498u);
+x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_mvarId_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3250,8 +5904,8 @@ lean_object* _init_l_Lean_Expr_bindingName_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(417u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(503u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -3300,8 +5954,8 @@ lean_object* _init_l_Lean_Expr_bindingDomain_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(422u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(508u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -3315,21 +5969,21 @@ switch (lean_obj_tag(x_1)) {
 case 6:
 {
 lean_object* x_2; 
-x_2 = lean_ctor_get(x_1, 1);
+x_2 = lean_ctor_get(x_1, 2);
 lean_inc(x_2);
 return x_2;
 }
 case 7:
 {
 lean_object* x_3; 
-x_3 = lean_ctor_get(x_1, 1);
+x_3 = lean_ctor_get(x_1, 2);
 lean_inc(x_3);
 return x_3;
 }
 default: 
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_bindingDomain_x21___closed__1;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -3350,8 +6004,8 @@ lean_object* _init_l_Lean_Expr_bindingBody_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(427u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(513u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -3379,7 +6033,7 @@ return x_3;
 default: 
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_bindingBody_x21___closed__1;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -3408,9 +6062,9 @@ lean_object* _init_l_Lean_Expr_letName_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(431u);
-x_3 = lean_unsigned_to_nat(18u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(517u);
+x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_Lean_Expr_letName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -3445,20 +6099,11 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l_Lean_Expr_getLooseBVarRange___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_expr_get_loose_bvar_range(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; uint8_t x_4; 
-x_2 = lean_expr_get_loose_bvar_range(x_1);
+x_2 = l_Lean_Expr_looseBVarRange(x_1);
 x_3 = lean_unsigned_to_nat(0u);
 x_4 = lean_nat_dec_lt(x_3, x_2);
 lean_dec(x_2);
@@ -3596,7 +6241,7 @@ _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_3 = lean_box(0);
-x_4 = lean_expr_mk_const(x_1, x_3);
+x_4 = l_Lean_mkConst(x_1, x_3);
 x_5 = lean_unsigned_to_nat(0u);
 x_6 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_2, x_2, x_5, x_4);
 return x_6;
@@ -3615,8 +6260,8 @@ lean_object* l_Lean_mkAppB(lean_object* x_1, lean_object* x_2, lean_object* x_3)
 _start:
 {
 lean_object* x_4; lean_object* x_5; 
-x_4 = lean_expr_mk_app(x_1, x_2);
-x_5 = lean_expr_mk_app(x_4, x_3);
+x_4 = l_Lean_mkApp(x_1, x_2);
+x_5 = l_Lean_mkApp(x_4, x_3);
 return x_5;
 }
 }
@@ -3625,7 +6270,7 @@ _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_4 = lean_box(0);
-x_5 = lean_expr_mk_const(x_1, x_4);
+x_5 = l_Lean_mkConst(x_1, x_4);
 x_6 = l_Lean_mkAppB(x_5, x_2, x_3);
 return x_6;
 }
@@ -3672,7 +6317,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_mkDecIsTrue___closed__4;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -3709,7 +6354,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_mkDecIsFalse___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -3761,7 +6406,7 @@ size_t l_Lean_ExprStructEq_hash(lean_object* x_1) {
 _start:
 {
 size_t x_2; 
-x_2 = lean_expr_hash(x_1);
+x_2 = l_Lean_Expr_hash(x_1);
 return x_2;
 }
 }
@@ -3779,7 +6424,7 @@ lean_object* _init_l_Lean_ExprStructEq_Inhabited() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Expr_inhabited___closed__1;
+x_1 = l_Lean_Expr_Inhabited___closed__1;
 return x_1;
 }
 }
@@ -3849,7 +6494,7 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -3860,9 +6505,9 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_obj
 x_6 = lean_unsigned_to_nat(1u);
 x_7 = lean_nat_sub(x_4, x_6);
 lean_dec(x_4);
-x_8 = l_Lean_Expr_inhabited;
+x_8 = l_Lean_Expr_Inhabited;
 x_9 = lean_array_get(x_8, x_1, x_7);
-x_10 = lean_expr_mk_app(x_3, x_9);
+x_10 = l_Lean_mkApp(x_3, x_9);
 x_3 = x_10;
 x_4 = x_7;
 goto _start;
@@ -3874,29 +6519,29 @@ return x_3;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_6__mkAppRevRangeAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_7__mkAppRevRangeAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_6__mkAppRevRangeAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_5;
@@ -3906,7 +6551,7 @@ lean_object* l_Lean_Expr_mkAppRevRange(lean_object* x_1, lean_object* x_2, lean_
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(x_4, x_2, x_1, x_3);
+x_5 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(x_4, x_2, x_1, x_3);
 return x_5;
 }
 }
@@ -3920,7 +6565,7 @@ lean_dec(x_2);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_8__betaRevAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
@@ -3940,7 +6585,7 @@ lean_dec(x_13);
 lean_inc(x_1);
 x_16 = lean_expr_instantiate_range(x_11, x_15, x_2, x_1);
 x_17 = lean_unsigned_to_nat(0u);
-x_18 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(x_1, x_17, x_16, x_15);
+x_18 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(x_1, x_17, x_16, x_15);
 lean_dec(x_1);
 return x_18;
 }
@@ -3967,35 +6612,35 @@ lean_dec(x_4);
 lean_inc(x_1);
 x_7 = lean_expr_instantiate_range(x_3, x_6, x_2, x_1);
 x_8 = lean_unsigned_to_nat(0u);
-x_9 = l___private_Init_Lean_Expr_7__mkAppRevRangeAux___main(x_1, x_8, x_7, x_6);
+x_9 = l___private_Init_Lean_Expr_6__mkAppRevRangeAux___main(x_1, x_8, x_7, x_6);
 lean_dec(x_1);
 return x_9;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_8__betaRevAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_8__betaRevAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_7__betaRevAux___main(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_8__betaRevAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_8__betaRevAux___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_7__betaRevAux___main(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_8__betaRevAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_7__betaRevAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_8__betaRevAux(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_7__betaRevAux(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
@@ -4011,7 +6656,7 @@ x_5 = lean_nat_dec_eq(x_3, x_4);
 if (x_5 == 0)
 {
 lean_object* x_6; 
-x_6 = l___private_Init_Lean_Expr_8__betaRevAux___main(x_2, x_3, x_1, x_4);
+x_6 = l___private_Init_Lean_Expr_7__betaRevAux___main(x_2, x_3, x_1, x_4);
 lean_dec(x_3);
 return x_6;
 }
@@ -4033,7 +6678,7 @@ lean_dec(x_1);
 return x_3;
 }
 }
-lean_object* l___private_Init_Lean_Expr_9__etaExpandedBody___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_8__etaExpandedBody___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
@@ -4161,15 +6806,15 @@ return x_7;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_9__etaExpandedBody(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_8__etaExpandedBody(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Init_Lean_Expr_9__etaExpandedBody___main(x_1, x_2, x_3);
+x_4 = l___private_Init_Lean_Expr_8__etaExpandedBody___main(x_1, x_2, x_3);
 return x_4;
 }
 }
-lean_object* l___private_Init_Lean_Expr_10__etaExpandedAux___main(lean_object* x_1, lean_object* x_2) {
+lean_object* l___private_Init_Lean_Expr_9__etaExpandedAux___main(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 6)
@@ -4189,16 +6834,16 @@ else
 {
 lean_object* x_7; lean_object* x_8; 
 x_7 = lean_unsigned_to_nat(0u);
-x_8 = l___private_Init_Lean_Expr_9__etaExpandedBody___main(x_1, x_2, x_7);
+x_8 = l___private_Init_Lean_Expr_8__etaExpandedBody___main(x_1, x_2, x_7);
 return x_8;
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_10__etaExpandedAux(lean_object* x_1, lean_object* x_2) {
+lean_object* l___private_Init_Lean_Expr_9__etaExpandedAux(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l___private_Init_Lean_Expr_10__etaExpandedAux___main(x_1, x_2);
+x_3 = l___private_Init_Lean_Expr_9__etaExpandedAux___main(x_1, x_2);
 return x_3;
 }
 }
@@ -4207,7 +6852,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l___private_Init_Lean_Expr_10__etaExpandedAux___main(x_1, x_2);
+x_3 = l___private_Init_Lean_Expr_9__etaExpandedAux___main(x_1, x_2);
 return x_3;
 }
 }
@@ -4223,9 +6868,9 @@ lean_object* _init_l_Lean_Expr_updateApp_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(600u);
-x_3 = lean_unsigned_to_nat(16u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(683u);
+x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4246,7 +6891,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7;
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_5 = l_Lean_Expr_inhabited;
+x_5 = l_Lean_Expr_Inhabited;
 x_6 = l_Lean_Expr_updateApp_x21___closed__1;
 x_7 = lean_panic_fn(x_6);
 return x_7;
@@ -4265,9 +6910,9 @@ lean_object* _init_l_Lean_Expr_updateConst_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(609u);
-x_3 = lean_unsigned_to_nat(16u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(692u);
+x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4287,7 +6932,7 @@ else
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_updateConst_x21___closed__1;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -4314,9 +6959,9 @@ lean_object* _init_l_Lean_Expr_updateSort_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(618u);
-x_3 = lean_unsigned_to_nat(12u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(701u);
+x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_updateSort_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4336,7 +6981,7 @@ else
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_updateSort_x21___closed__2;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -4371,9 +7016,9 @@ lean_object* _init_l_Lean_Expr_updateMData_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(635u);
-x_3 = lean_unsigned_to_nat(15u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(718u);
+x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateMData_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4393,7 +7038,7 @@ else
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_updateMData_x21___closed__2;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -4412,9 +7057,9 @@ lean_object* _init_l_Lean_Expr_updateProj_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(640u);
-x_3 = lean_unsigned_to_nat(16u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(723u);
+x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_updateProj_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4434,7 +7079,7 @@ else
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_Expr_updateProj_x21___closed__2;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -4463,9 +7108,9 @@ lean_object* _init_l_Lean_Expr_updateForall_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(649u);
-x_3 = lean_unsigned_to_nat(22u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(732u);
+x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_updateForall_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4486,7 +7131,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8;
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_6 = l_Lean_Expr_inhabited;
+x_6 = l_Lean_Expr_Inhabited;
 x_7 = l_Lean_Expr_updateForall_x21___closed__2;
 x_8 = lean_panic_fn(x_7);
 return x_8;
@@ -4507,9 +7152,9 @@ lean_object* _init_l_Lean_Expr_updateForallE_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(654u);
-x_3 = lean_unsigned_to_nat(22u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(737u);
+x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_updateForall_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4520,21 +7165,22 @@ _start:
 {
 if (lean_obj_tag(x_1) == 7)
 {
-uint8_t x_4; lean_object* x_5; 
-x_4 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_5 = lean_expr_update_forall(x_1, x_4, x_2, x_3);
-return x_5;
+uint64_t x_4; uint8_t x_5; lean_object* x_6; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_5 = (uint8_t)((x_4 << 24) >> 61);
+x_6 = lean_expr_update_forall(x_1, x_5, x_2, x_3);
+return x_6;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_6 = l_Lean_Expr_inhabited;
-x_7 = l_Lean_Expr_updateForallE_x21___closed__1;
-x_8 = lean_panic_fn(x_7);
-return x_8;
+x_7 = l_Lean_Expr_Inhabited;
+x_8 = l_Lean_Expr_updateForallE_x21___closed__1;
+x_9 = lean_panic_fn(x_8);
+return x_9;
 }
 }
 }
@@ -4560,9 +7206,9 @@ lean_object* _init_l_Lean_Expr_updateLambda_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(663u);
-x_3 = lean_unsigned_to_nat(18u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(746u);
+x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateLambda_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4583,7 +7229,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8;
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_6 = l_Lean_Expr_inhabited;
+x_6 = l_Lean_Expr_Inhabited;
 x_7 = l_Lean_Expr_updateLambda_x21___closed__2;
 x_8 = lean_panic_fn(x_7);
 return x_8;
@@ -4604,9 +7250,9 @@ lean_object* _init_l_Lean_Expr_updateLambdaE_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(668u);
-x_3 = lean_unsigned_to_nat(18u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(751u);
+x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateLambda_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4617,21 +7263,22 @@ _start:
 {
 if (lean_obj_tag(x_1) == 6)
 {
-uint8_t x_4; lean_object* x_5; 
-x_4 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_5 = lean_expr_update_lambda(x_1, x_4, x_2, x_3);
-return x_5;
+uint64_t x_4; uint8_t x_5; lean_object* x_6; 
+x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_5 = (uint8_t)((x_4 << 24) >> 61);
+x_6 = lean_expr_update_lambda(x_1, x_5, x_2, x_3);
+return x_6;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_6 = l_Lean_Expr_inhabited;
-x_7 = l_Lean_Expr_updateLambdaE_x21___closed__1;
-x_8 = lean_panic_fn(x_7);
-return x_8;
+x_7 = l_Lean_Expr_Inhabited;
+x_8 = l_Lean_Expr_updateLambdaE_x21___closed__1;
+x_9 = lean_panic_fn(x_8);
+return x_9;
 }
 }
 }
@@ -4647,9 +7294,9 @@ lean_object* _init_l_Lean_Expr_updateLet_x21___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_1 = l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__2;
-x_2 = lean_unsigned_to_nat(677u);
-x_3 = lean_unsigned_to_nat(18u);
+x_1 = l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2;
+x_2 = lean_unsigned_to_nat(760u);
+x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_Lean_Expr_letName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
 return x_5;
@@ -4671,7 +7318,7 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_6 = l_Lean_Expr_inhabited;
+x_6 = l_Lean_Expr_Inhabited;
 x_7 = l_Lean_Expr_updateLet_x21___closed__1;
 x_8 = lean_panic_fn(x_7);
 return x_8;
@@ -4688,9 +7335,8 @@ x_3 = lean_ctor_get(x_1, 0);
 lean_inc(x_3);
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_dec(x_1);
 x_5 = l_Lean_Expr_updateFn___main(x_3, x_2);
-x_6 = lean_expr_mk_app(x_5, x_4);
+x_6 = lean_expr_update_app(x_1, x_5, x_4);
 return x_6;
 }
 else
@@ -4756,43 +7402,55 @@ lean_dec_ref(res);
 res = initialize_Init_Data_PersistentHashSet(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
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-lean_mark_persistent(l_Lean_BinderInfo_HasBeq___closed__1);
-l_Lean_BinderInfo_HasBeq = _init_l_Lean_BinderInfo_HasBeq();
-lean_mark_persistent(l_Lean_BinderInfo_HasBeq);
+l_Lean_Literal_inhabited___closed__1 = _init_l_Lean_Literal_inhabited___closed__1();
+lean_mark_persistent(l_Lean_Literal_inhabited___closed__1);
+l_Lean_Literal_inhabited = _init_l_Lean_Literal_inhabited();
+lean_mark_persistent(l_Lean_Literal_inhabited);
+l_Lean_Literal_hashable___closed__1 = _init_l_Lean_Literal_hashable___closed__1();
+lean_mark_persistent(l_Lean_Literal_hashable___closed__1);
+l_Lean_Literal_hashable = _init_l_Lean_Literal_hashable();
+lean_mark_persistent(l_Lean_Literal_hashable);
+l_Lean_BinderInfo_hashable___closed__1 = _init_l_Lean_BinderInfo_hashable___closed__1();
+lean_mark_persistent(l_Lean_BinderInfo_hashable___closed__1);
+l_Lean_BinderInfo_hashable = _init_l_Lean_BinderInfo_hashable();
+lean_mark_persistent(l_Lean_BinderInfo_hashable);
+l_Lean_BinderInfo_hasBeq___closed__1 = _init_l_Lean_BinderInfo_hasBeq___closed__1();
+lean_mark_persistent(l_Lean_BinderInfo_hasBeq___closed__1);
+l_Lean_BinderInfo_hasBeq = _init_l_Lean_BinderInfo_hasBeq();
+lean_mark_persistent(l_Lean_BinderInfo_hasBeq);
 l_Lean_MData_empty = _init_l_Lean_MData_empty();
 lean_mark_persistent(l_Lean_MData_empty);
-l_Lean_MData_HasEmptyc = _init_l_Lean_MData_HasEmptyc();
-lean_mark_persistent(l_Lean_MData_HasEmptyc);
-l_Lean_ExprCachedData_inhabited = _init_l_Lean_ExprCachedData_inhabited();
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-lean_mark_persistent(l___private_Init_Lean_Expr_2__mkExprCachedDataCore___closed__1);
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-lean_mark_persistent(l_Lean_mkExprCachedData___boxed__const__1);
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-lean_mark_persistent(l_Lean_mkExprCachedDataForBinder___boxed__const__1);
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-lean_mark_persistent(l_Lean_Expr_inhabited);
-l_Lean_Literal_Inhabited___closed__1 = _init_l_Lean_Literal_Inhabited___closed__1();
-lean_mark_persistent(l_Lean_Literal_Inhabited___closed__1);
-l_Lean_Literal_Inhabited = _init_l_Lean_Literal_Inhabited();
-lean_mark_persistent(l_Lean_Literal_Inhabited);
+l_Lean_MVData_hasEmptc = _init_l_Lean_MVData_hasEmptc();
+lean_mark_persistent(l_Lean_MVData_hasEmptc);
+l_Lean_Expr_CachedData_inhabited = _init_l_Lean_Expr_CachedData_inhabited();
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+lean_mark_persistent(l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___closed__2);
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+lean_mark_persistent(l___private_Init_Lean_Expr_1__Expr_mkCachedDataCore___boxed__const__1);
+l_Lean_Expr_mkCachedData___closed__1 = _init_l_Lean_Expr_mkCachedData___closed__1();
+l_Lean_Expr_mkCachedData___closed__2 = _init_l_Lean_Expr_mkCachedData___closed__2();
+l_Lean_Expr_mkCachedData___closed__3 = _init_l_Lean_Expr_mkCachedData___closed__3();
+l_Lean_Expr_mkCachedData___closed__4 = _init_l_Lean_Expr_mkCachedData___closed__4();
+l_Lean_Expr_mkCachedData___boxed__const__1 = _init_l_Lean_Expr_mkCachedData___boxed__const__1();
+lean_mark_persistent(l_Lean_Expr_mkCachedData___boxed__const__1);
+l_Lean_Expr_mkCachedDataForBinder___boxed__const__1 = _init_l_Lean_Expr_mkCachedDataForBinder___boxed__const__1();
+lean_mark_persistent(l_Lean_Expr_mkCachedDataForBinder___boxed__const__1);
+l_Lean_Expr_mkCachedDataForLet___boxed__const__1 = _init_l_Lean_Expr_mkCachedDataForLet___boxed__const__1();
+lean_mark_persistent(l_Lean_Expr_mkCachedDataForLet___boxed__const__1);
+l_Lean_Expr_Inhabited___closed__1 = _init_l_Lean_Expr_Inhabited___closed__1();
+lean_mark_persistent(l_Lean_Expr_Inhabited___closed__1);
+l_Lean_Expr_Inhabited = _init_l_Lean_Expr_Inhabited();
+lean_mark_persistent(l_Lean_Expr_Inhabited);
+l_Lean_Expr_Hashable___closed__1 = _init_l_Lean_Expr_Hashable___closed__1();
+lean_mark_persistent(l_Lean_Expr_Hashable___closed__1);
+l_Lean_Expr_Hashable = _init_l_Lean_Expr_Hashable();
+lean_mark_persistent(l_Lean_Expr_Hashable);
 l_Lean_Literal_type___closed__1 = _init_l_Lean_Literal_type___closed__1();
 lean_mark_persistent(l_Lean_Literal_type___closed__1);
 l_Lean_Literal_type___closed__2 = _init_l_Lean_Literal_type___closed__2();
@@ -4805,14 +7463,12 @@ l_Lean_Literal_type___closed__5 = _init_l_Lean_Literal_type___closed__5();
 lean_mark_persistent(l_Lean_Literal_type___closed__5);
 l_Lean_Literal_type___closed__6 = _init_l_Lean_Literal_type___closed__6();
 lean_mark_persistent(l_Lean_Literal_type___closed__6);
-l_Lean_Expr_Hashable___closed__1 = _init_l_Lean_Expr_Hashable___closed__1();
-lean_mark_persistent(l_Lean_Expr_Hashable___closed__1);
-l_Lean_Expr_Hashable = _init_l_Lean_Expr_Hashable();
-lean_mark_persistent(l_Lean_Expr_Hashable);
 l_Lean_Expr_HasBeq___closed__1 = _init_l_Lean_Expr_HasBeq___closed__1();
 lean_mark_persistent(l_Lean_Expr_HasBeq___closed__1);
 l_Lean_Expr_HasBeq = _init_l_Lean_Expr_HasBeq();
 lean_mark_persistent(l_Lean_Expr_HasBeq);
+l_Lean_Expr_getAppArgs___closed__1 = _init_l_Lean_Expr_getAppArgs___closed__1();
+lean_mark_persistent(l_Lean_Expr_getAppArgs___closed__1);
 l_Lean_Expr_getRevArg_x21___main___closed__1 = _init_l_Lean_Expr_getRevArg_x21___main___closed__1();
 lean_mark_persistent(l_Lean_Expr_getRevArg_x21___main___closed__1);
 l_Lean_Expr_appFn_x21___closed__1 = _init_l_Lean_Expr_appFn_x21___closed__1();
diff --git a/stage0/library/Init/Lean/LocalContext.c b/stage0/library/Init/Lean/LocalContext.c
index e172cbc489..b46b3209ab 100644
--- a/stage0/library/Init/Lean/LocalContext.c
+++ b/stage0/library/Init/Lean/LocalContext.c
@@ -38,7 +38,6 @@ lean_object* l_Array_findMAux___main___at_Lean_LocalContext_findDecl___spec__6__
 uint8_t l_Lean_LocalContext_isSubPrefixOfAux(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_find_from_user_name(lean_object*, lean_object*);
 lean_object* l_Nat_foldRevAux___main___at_Lean_LocalContext_mkLambda___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_forall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__8(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__7(lean_object*);
 lean_object* l_Lean_LocalContext_forM___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -70,7 +69,6 @@ uint8_t l_Array_anyRangeMAux___main___at_Lean_LocalContext_all___spec__4(lean_ob
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldl___spec__6(lean_object*);
 lean_object* l_PersistentArray_getAux___main___at___private_Init_Lean_LocalContext_1__popTailNoneAux___main___spec__2(lean_object*, size_t, size_t);
 lean_object* l_Lean_LocalContext_allM___rarg(lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_let(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_PersistentHashMap_empty___rarg___closed__2;
 lean_object* l_Lean_LocalContext_foldlM___at_Lean_LocalContext_foldl___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_foldlFromMAux___main___at_Lean_LocalContext_foldlFrom___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -81,6 +79,7 @@ lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldl___spec__5__
 lean_object* l_Lean_LocalContext_anyM___boxed(lean_object*);
 lean_object* l_Lean_LocalContext_Inhabited___closed__1;
 lean_object* l_PersistentArray_anyM___at_Lean_LocalContext_any___spec__1___boxed(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 lean_object* l_PersistentArray_findM___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_containsAux___main___at_Lean_LocalContext_contains___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_LocalContext_findFVar___boxed(lean_object*, lean_object*);
@@ -89,6 +88,7 @@ lean_object* l_PersistentArray_anyMAux___main___at_Lean_LocalContext_any___spec_
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__4(lean_object*);
 size_t l_USize_sub(size_t, size_t);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkLet(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_LocalContext_findDeclM___at_Lean_LocalContext_findDecl___spec__1(lean_object*);
 lean_object* l_PersistentArray_anyM___at_Lean_LocalContext_anyM___spec__1___boxed(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__10(lean_object*);
@@ -120,7 +120,6 @@ lean_object* l___private_Init_Lean_LocalContext_1__popTailNoneAux(lean_object*);
 lean_object* l_PersistentHashMap_erase___at_Lean_LocalContext_erase___spec__1(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insert___at_Lean_LocalContext_mkLocalDecl___spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_PersistentArray_set___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_any___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -172,6 +171,7 @@ lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec_
 lean_object* l_Lean_LocalDecl_updateUserName(lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at_Lean_LocalContext_all___spec__2___boxed(lean_object*, lean_object*);
 size_t l_USize_add(size_t, size_t);
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Array_findRevMAux___main___at_Lean_LocalContext_findDeclRev___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_allM___spec__5___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyM___at_Lean_LocalContext_allM___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -188,6 +188,7 @@ lean_object* l_Array_indexOfAux___main___at_Lean_LocalContext_erase___spec__3___
 lean_object* l_PersistentArray_findMAux___main___at_Lean_LocalContext_findDecl___spec__3(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__8___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__3___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_Lean_Name_appendIndexAfter(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -202,6 +203,7 @@ lean_object* l_Lean_LocalContext_foldlFromM___rarg(lean_object*, lean_object*, l
 lean_object* lean_local_ctx_get(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_mkBinding___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_allM___spec__5___boxed(lean_object*);
+lean_object* l_Lean_mkLambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_LocalContext_find___spec__2(lean_object*, size_t, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Array_findRevMAux___main___at_Lean_LocalContext_findDeclRev___spec__5(lean_object*);
@@ -218,6 +220,7 @@ lean_object* l_PersistentHashMap_insertAux___main___at_Lean_LocalContext_mkLocal
 lean_object* l_Lean_LocalContext_any___boxed(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_eraseAux___main___at_Lean_LocalContext_erase___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_findDecl___rarg___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_PersistentArray_get_x21___at___private_Init_Lean_LocalContext_1__popTailNoneAux___main___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_findDeclRevM___at_Lean_LocalContext_findDeclRev___spec__1___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_findDeclM___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -240,7 +243,6 @@ lean_object* l_Lean_LocalDecl_Inhabited___closed__1;
 lean_object* l_Array_findMAux___main___at_Lean_LocalContext_findDecl___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 lean_object* l_PersistentArray_foldlFromM___at_Lean_LocalContext_foldlFrom___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l_PersistentArray_foldlMAux___main___at_Lean_LocalContext_foldl___spec__3(lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__9(lean_object*);
@@ -304,7 +306,6 @@ lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__4__
 lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_foldl___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_findRevM___at_Lean_LocalContext_findDeclRev___spec__2___rarg___boxed(lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l_Lean_LocalContext_foldlFromM___at_Lean_LocalContext_foldlFrom___spec__1(lean_object*);
 uint8_t l_PersistentArray_anyMAux___main___at_Lean_LocalContext_all___spec__2(lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
@@ -317,7 +318,6 @@ lean_object* l_Lean_LocalDecl_value___closed__1;
 lean_object* l_PersistentArray_findRevMAux___main___at_Lean_LocalContext_findFromUserName___spec__3(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_isEmpty___boxed(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldlFrom___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_isEmpty___at_Lean_LocalContext_isEmpty___spec__1(lean_object*);
 lean_object* l_Lean_LocalDecl_index(lean_object*);
 lean_object* l_PersistentArray_foldlFromM___at_Lean_LocalContext_foldlFrom___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -384,7 +384,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = lean_box(0);
-x_3 = l_Lean_Expr_inhabited___closed__1;
+x_3 = l_Lean_Expr_Inhabited___closed__1;
 x_4 = lean_alloc_ctor(1, 5, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -591,7 +591,7 @@ _start:
 if (lean_obj_tag(x_1) == 0)
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Expr_inhabited;
+x_2 = l_Lean_Expr_Inhabited;
 x_3 = l_Lean_LocalDecl_value___closed__3;
 x_4 = lean_panic_fn(x_3);
 return x_4;
@@ -689,7 +689,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = l_Lean_LocalDecl_name(x_1);
-x_3 = lean_expr_mk_fvar(x_2);
+x_3 = l_Lean_mkFVar(x_2);
 return x_3;
 }
 }
@@ -5147,7 +5147,7 @@ lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_o
 x_8 = lean_unsigned_to_nat(1u);
 x_9 = lean_nat_sub(x_4, x_8);
 lean_dec(x_4);
-x_10 = l_Lean_Expr_inhabited;
+x_10 = l_Lean_Expr_Inhabited;
 x_11 = lean_array_get(x_10, x_3, x_9);
 lean_inc(x_2);
 x_12 = l_Lean_LocalContext_findFVar(x_2, x_11);
@@ -5182,7 +5182,7 @@ lean_dec(x_18);
 if (x_1 == 0)
 {
 lean_object* x_21; 
-x_21 = lean_expr_mk_forall(x_17, x_19, x_20, x_5);
+x_21 = l_Lean_mkForall(x_17, x_19, x_20, x_5);
 x_4 = x_9;
 x_5 = x_21;
 goto _start;
@@ -5190,7 +5190,7 @@ goto _start;
 else
 {
 lean_object* x_23; 
-x_23 = lean_expr_mk_lambda(x_17, x_19, x_20, x_5);
+x_23 = l_Lean_mkLambda(x_17, x_19, x_20, x_5);
 x_4 = x_9;
 x_5 = x_23;
 goto _start;
@@ -5217,14 +5217,15 @@ goto _start;
 }
 else
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; 
 x_30 = lean_expr_abstract_range(x_26, x_9, x_3);
 lean_dec(x_26);
 x_31 = lean_expr_abstract_range(x_27, x_9, x_3);
 lean_dec(x_27);
-x_32 = lean_expr_mk_let(x_25, x_30, x_31, x_5);
+x_32 = 0;
+x_33 = l_Lean_mkLet(x_25, x_30, x_31, x_5, x_32);
 x_4 = x_9;
-x_5 = x_32;
+x_5 = x_33;
 goto _start;
 }
 }
@@ -5283,7 +5284,7 @@ lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_ob
 x_7 = lean_unsigned_to_nat(1u);
 x_8 = lean_nat_sub(x_3, x_7);
 lean_dec(x_3);
-x_9 = l_Lean_Expr_inhabited;
+x_9 = l_Lean_Expr_Inhabited;
 x_10 = lean_array_get(x_9, x_2, x_8);
 lean_inc(x_1);
 x_11 = l_Lean_LocalContext_findFVar(x_1, x_10);
@@ -5315,7 +5316,7 @@ x_18 = lean_ctor_get_uint8(x_15, sizeof(void*)*4);
 lean_dec(x_15);
 x_19 = lean_expr_abstract_range(x_17, x_8, x_2);
 lean_dec(x_17);
-x_20 = lean_expr_mk_lambda(x_16, x_18, x_19, x_4);
+x_20 = l_Lean_mkLambda(x_16, x_18, x_19, x_4);
 x_3 = x_8;
 x_4 = x_20;
 goto _start;
@@ -5341,14 +5342,15 @@ goto _start;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; 
 x_27 = lean_expr_abstract_range(x_23, x_8, x_2);
 lean_dec(x_23);
 x_28 = lean_expr_abstract_range(x_24, x_8, x_2);
 lean_dec(x_24);
-x_29 = lean_expr_mk_let(x_22, x_27, x_28, x_4);
+x_29 = 0;
+x_30 = l_Lean_mkLet(x_22, x_27, x_28, x_4, x_29);
 x_3 = x_8;
-x_4 = x_29;
+x_4 = x_30;
 goto _start;
 }
 }
@@ -5403,7 +5405,7 @@ lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_ob
 x_7 = lean_unsigned_to_nat(1u);
 x_8 = lean_nat_sub(x_3, x_7);
 lean_dec(x_3);
-x_9 = l_Lean_Expr_inhabited;
+x_9 = l_Lean_Expr_Inhabited;
 x_10 = lean_array_get(x_9, x_2, x_8);
 lean_inc(x_1);
 x_11 = l_Lean_LocalContext_findFVar(x_1, x_10);
@@ -5435,7 +5437,7 @@ x_18 = lean_ctor_get_uint8(x_15, sizeof(void*)*4);
 lean_dec(x_15);
 x_19 = lean_expr_abstract_range(x_17, x_8, x_2);
 lean_dec(x_17);
-x_20 = lean_expr_mk_forall(x_16, x_18, x_19, x_4);
+x_20 = l_Lean_mkForall(x_16, x_18, x_19, x_4);
 x_3 = x_8;
 x_4 = x_20;
 goto _start;
@@ -5461,14 +5463,15 @@ goto _start;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; 
 x_27 = lean_expr_abstract_range(x_23, x_8, x_2);
 lean_dec(x_23);
 x_28 = lean_expr_abstract_range(x_24, x_8, x_2);
 lean_dec(x_24);
-x_29 = lean_expr_mk_let(x_22, x_27, x_28, x_4);
+x_29 = 0;
+x_30 = l_Lean_mkLet(x_22, x_27, x_28, x_4, x_29);
 x_3 = x_8;
-x_4 = x_29;
+x_4 = x_30;
 goto _start;
 }
 }
diff --git a/stage0/library/Init/Lean/Meta/Basic.c b/stage0/library/Init/Lean/Meta/Basic.c
index 16775af831..7e10e933c1 100644
--- a/stage0/library/Init/Lean/Meta/Basic.c
+++ b/stage0/library/Init/Lean/Meta/Basic.c
@@ -23,7 +23,6 @@ lean_object* l_Lean_Meta_dbgTrace___rarg___lambda__1___boxed(lean_object*, lean_
 lean_object* l___private_Init_Lean_Meta_Basic_2__reduceAll_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshLevelMVarId___boxed(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___rarg(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_isClassQuick___main___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getEnv___boxed(lean_object*);
 lean_object* l_Lean_Meta_usingAtLeastTransparency___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_forallTelescope___spec__1(lean_object*);
@@ -42,7 +41,7 @@ lean_object* lean_local_ctx_mk_let_decl(lean_object*, lean_object*, lean_object*
 lean_object* l_Lean_Meta_withNewLocalInstances___main(lean_object*);
 lean_object* l_Lean_Meta_forallTelescopeReducing___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_usingTransparency___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_4__getOptions___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_4__getOptions(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getConstNoEx(lean_object*, lean_object*, lean_object*);
@@ -54,6 +53,7 @@ lean_object* l___private_Init_Lean_Meta_Basic_9__lambdaTelescopeAux___rarg(lean_
 lean_object* l_Lean_Meta_forallBoundedTelescope(lean_object*);
 lean_object* lean_dbg_trace(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_TransparencyMode_beq___boxed(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 lean_object* l_Lean_Meta_throwEx___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_dbgTrace___rarg___closed__1;
 lean_object* l_Lean_Meta_assignLevelMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -76,7 +76,6 @@ lean_object* l_Lean_Meta_getMCtx(lean_object*);
 lean_object* lean_metavar_ctx_get_expr_assignment(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_usingDefault(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_InfoCacheKey_HasBeq___boxed(lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_tracer___closed__2;
@@ -108,6 +107,7 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_resettingTypeClassCache(lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassQuickConst(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_Lean_Meta_usingTransparency(lean_object*);
 lean_object* l_Lean_Meta_getConstAux(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
@@ -191,20 +191,20 @@ lean_object* l_Lean_Meta_InfoCacheKey_Inhabited___closed__1;
 lean_object* l_Lean_Meta_forallBoundedTelescope___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_MetaM_inhabited(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_TransparencyMode_Hashable___closed__1;
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwEx(lean_object*);
+uint8_t l_Lean_Expr_hasMVar(lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1___boxed(lean_object*);
 lean_object* l_Lean_Meta_TransparencyMode_hash___boxed(lean_object*);
-lean_object* l_Lean_Meta_isClassQuick___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_isClassQuick___main___closed__1;
 lean_object* l_Lean_Meta_isReadOnlyOrSyntheticExprMVar___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_addLevelMVarDecl(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshLevelMVarId(lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
 lean_object* l_Lean_Meta_tracer___closed__3;
 lean_object* l_Lean_Meta_liftStateMCtx___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__4___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Meta_liftStateMCtx___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVarDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMCtx___rarg(lean_object*);
@@ -229,7 +229,7 @@ lean_object* l___private_Init_Lean_Meta_Basic_9__lambdaTelescopeAux(lean_object*
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___at_Lean_MetavarContext_mkBinding___spec__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_MetaM_inhabited___rarg(lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_level_mvar(lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 uint8_t _init_l_Lean_Meta_TransparencyMode_Inhabited() {
 _start:
 {
@@ -471,7 +471,7 @@ _start:
 lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = lean_box(0);
 x_2 = 1;
-x_3 = l_Lean_Expr_inhabited___closed__1;
+x_3 = l_Lean_Expr_Inhabited___closed__1;
 x_4 = lean_alloc_ctor(0, 2, 1);
 lean_ctor_set(x_4, 0, x_3);
 lean_ctor_set(x_4, 1, x_1);
@@ -515,7 +515,7 @@ x_2 = lean_ctor_get_uint8(x_1, sizeof(void*)*2);
 x_3 = lean_ctor_get(x_1, 0);
 x_4 = lean_ctor_get(x_1, 1);
 x_5 = l_Lean_Meta_TransparencyMode_hash(x_2);
-x_6 = lean_expr_hash(x_3);
+x_6 = l_Lean_Expr_hash(x_3);
 x_7 = l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(x_4);
 x_8 = lean_usize_mix_hash(x_6, x_7);
 x_9 = lean_usize_mix_hash(x_5, x_8);
@@ -2171,128 +2171,68 @@ lean_object* l_Lean_Meta_instantiateMVars(lean_object* x_1, lean_object* x_2, le
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_expr_mvar(x_1);
+x_4 = l_Lean_Expr_hasMVar(x_1);
 if (x_4 == 0)
 {
-uint8_t x_5; 
-x_5 = lean_expr_has_level_mvar(x_1);
-if (x_5 == 0)
-{
-lean_object* x_6; 
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_3);
-return x_6;
+lean_object* x_5; 
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_3);
+return x_5;
 }
 else
 {
-uint8_t x_7; 
-x_7 = !lean_is_exclusive(x_3);
-if (x_7 == 0)
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_3);
+if (x_6 == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_8 = lean_ctor_get(x_3, 1);
-x_9 = l_Lean_MetavarContext_instantiateMVars(x_8, x_1);
-x_10 = lean_ctor_get(x_9, 0);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_7 = lean_ctor_get(x_3, 1);
+x_8 = l_Lean_MetavarContext_instantiateMVars(x_7, x_1);
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
-lean_inc(x_11);
-lean_dec(x_9);
-lean_ctor_set(x_3, 1, x_11);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_10);
-lean_ctor_set(x_12, 1, x_3);
-return x_12;
+lean_dec(x_8);
+lean_ctor_set(x_3, 1, x_10);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_9);
+lean_ctor_set(x_11, 1, x_3);
+return x_11;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_13 = lean_ctor_get(x_3, 0);
-x_14 = lean_ctor_get(x_3, 1);
-x_15 = lean_ctor_get(x_3, 2);
-x_16 = lean_ctor_get(x_3, 3);
-x_17 = lean_ctor_get(x_3, 4);
-x_18 = lean_ctor_get(x_3, 5);
-lean_inc(x_18);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_12 = lean_ctor_get(x_3, 0);
+x_13 = lean_ctor_get(x_3, 1);
+x_14 = lean_ctor_get(x_3, 2);
+x_15 = lean_ctor_get(x_3, 3);
+x_16 = lean_ctor_get(x_3, 4);
+x_17 = lean_ctor_get(x_3, 5);
 lean_inc(x_17);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
+lean_inc(x_12);
 lean_dec(x_3);
-x_19 = l_Lean_MetavarContext_instantiateMVars(x_14, x_1);
-x_20 = lean_ctor_get(x_19, 0);
+x_18 = l_Lean_MetavarContext_instantiateMVars(x_13, x_1);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
-lean_dec(x_19);
-x_22 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_22, 0, x_13);
+lean_dec(x_18);
+x_21 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_21, 0, x_12);
+lean_ctor_set(x_21, 1, x_20);
+lean_ctor_set(x_21, 2, x_14);
+lean_ctor_set(x_21, 3, x_15);
+lean_ctor_set(x_21, 4, x_16);
+lean_ctor_set(x_21, 5, x_17);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_19);
 lean_ctor_set(x_22, 1, x_21);
-lean_ctor_set(x_22, 2, x_15);
-lean_ctor_set(x_22, 3, x_16);
-lean_ctor_set(x_22, 4, x_17);
-lean_ctor_set(x_22, 5, x_18);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_20);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-}
-else
-{
-uint8_t x_24; 
-x_24 = !lean_is_exclusive(x_3);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_25 = lean_ctor_get(x_3, 1);
-x_26 = l_Lean_MetavarContext_instantiateMVars(x_25, x_1);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-lean_ctor_set(x_3, 1, x_28);
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_3);
-return x_29;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_30 = lean_ctor_get(x_3, 0);
-x_31 = lean_ctor_get(x_3, 1);
-x_32 = lean_ctor_get(x_3, 2);
-x_33 = lean_ctor_get(x_3, 3);
-x_34 = lean_ctor_get(x_3, 4);
-x_35 = lean_ctor_get(x_3, 5);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_dec(x_3);
-x_36 = l_Lean_MetavarContext_instantiateMVars(x_31, x_1);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-lean_dec(x_36);
-x_39 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_39, 0, x_30);
-lean_ctor_set(x_39, 1, x_38);
-lean_ctor_set(x_39, 2, x_32);
-lean_ctor_set(x_39, 3, x_33);
-lean_ctor_set(x_39, 4, x_34);
-lean_ctor_set(x_39, 5, x_35);
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_37);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
+return x_22;
 }
 }
 }
@@ -3790,6 +3730,15 @@ lean_dec(x_2);
 return x_4;
 }
 }
+lean_object* _init_l_Lean_Meta_isClassQuick___main___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_MetaM_inhabited___boxed), 2, 1);
+lean_closure_set(x_1, 0, lean_box(0));
+return x_1;
+}
+}
 lean_object* l_Lean_Meta_isClassQuick___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -3806,6 +3755,7 @@ x_6 = lean_metavar_ctx_get_expr_assignment(x_5, x_4);
 if (lean_obj_tag(x_6) == 0)
 {
 lean_object* x_7; lean_object* x_8; 
+lean_dec(x_2);
 x_7 = lean_box(0);
 x_8 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_8, 0, x_7);
@@ -3829,6 +3779,7 @@ x_11 = lean_ctor_get(x_1, 0);
 lean_inc(x_11);
 lean_dec(x_1);
 x_12 = l_Lean_Meta_isClassQuickConst(x_11, x_2, x_3);
+lean_dec(x_2);
 return x_12;
 }
 case 5:
@@ -3847,12 +3798,14 @@ x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
 lean_dec(x_14);
 x_16 = l_Lean_Meta_isClassQuickConst(x_15, x_2, x_3);
+lean_dec(x_2);
 return x_16;
 }
 case 6:
 {
 lean_object* x_17; lean_object* x_18; 
 lean_dec(x_14);
+lean_dec(x_2);
 x_17 = lean_box(2);
 x_18 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_18, 0, x_17);
@@ -3863,6 +3816,7 @@ default:
 {
 lean_object* x_19; lean_object* x_20; 
 lean_dec(x_14);
+lean_dec(x_2);
 x_19 = lean_box(0);
 x_20 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_20, 0, x_19);
@@ -3883,6 +3837,7 @@ goto _start;
 case 8:
 {
 lean_object* x_23; lean_object* x_24; 
+lean_dec(x_2);
 lean_dec(x_1);
 x_23 = lean_box(2);
 x_24 = lean_alloc_ctor(0, 2, 0);
@@ -3902,6 +3857,7 @@ goto _start;
 case 11:
 {
 lean_object* x_27; lean_object* x_28; 
+lean_dec(x_2);
 lean_dec(x_1);
 x_27 = lean_box(2);
 x_28 = lean_alloc_ctor(0, 2, 0);
@@ -3909,26 +3865,27 @@ lean_ctor_set(x_28, 0, x_27);
 lean_ctor_set(x_28, 1, x_3);
 return x_28;
 }
+case 12:
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+lean_dec(x_1);
+x_29 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_30 = l_unreachable_x21___rarg(x_29);
+x_31 = lean_apply_2(x_30, x_2, x_3);
+return x_31;
+}
 default: 
 {
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_1);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_3);
-return x_30;
-}
-}
-}
-}
-lean_object* l_Lean_Meta_isClassQuick___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_Meta_isClassQuick___main(x_1, x_2, x_3);
+lean_object* x_32; lean_object* x_33; 
 lean_dec(x_2);
-return x_4;
+lean_dec(x_1);
+x_32 = lean_box(0);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_3);
+return x_33;
+}
+}
 }
 }
 lean_object* l_Lean_Meta_isClassQuick(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -3939,15 +3896,6 @@ x_4 = l_Lean_Meta_isClassQuick___main(x_1, x_2, x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_Meta_isClassQuick___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_Meta_isClassQuick(x_1, x_2, x_3);
-lean_dec(x_2);
-return x_4;
-}
-}
 lean_object* l_Lean_Meta_resettingTypeClassCache___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -4044,6 +3992,7 @@ lean_inc(x_14);
 lean_dec(x_12);
 x_15 = l_Lean_LocalDecl_type(x_13);
 lean_dec(x_13);
+lean_inc(x_5);
 lean_inc(x_15);
 x_16 = l_Lean_Meta_isClassQuick___main(x_15, x_5, x_14);
 if (lean_obj_tag(x_16) == 0)
@@ -4360,91 +4309,92 @@ _start:
 lean_object* x_12; 
 if (lean_obj_tag(x_9) == 7)
 {
-lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+lean_object* x_37; lean_object* x_38; lean_object* x_39; uint64_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
 x_37 = lean_ctor_get(x_9, 0);
 lean_inc(x_37);
-x_38 = lean_ctor_get_uint8(x_9, sizeof(void*)*3);
-x_39 = lean_ctor_get(x_9, 1);
+x_38 = lean_ctor_get(x_9, 1);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_9, 2);
 lean_inc(x_39);
-x_40 = lean_ctor_get(x_9, 2);
-lean_inc(x_40);
+x_40 = lean_ctor_get_uint64(x_9, sizeof(void*)*3);
 lean_dec(x_9);
 x_41 = lean_array_get_size(x_7);
 lean_inc(x_7);
-x_42 = lean_expr_instantiate_rev_range(x_39, x_8, x_41, x_7);
+x_42 = lean_expr_instantiate_rev_range(x_38, x_8, x_41, x_7);
 lean_dec(x_41);
-lean_dec(x_39);
+lean_dec(x_38);
 x_43 = l_Lean_Meta_mkFreshId___rarg(x_11);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
 lean_inc(x_45);
 lean_dec(x_43);
+x_46 = (uint8_t)((x_40 << 24) >> 61);
 lean_inc(x_44);
-x_46 = lean_local_ctx_mk_local_decl(x_6, x_44, x_37, x_42, x_38);
-x_47 = lean_expr_mk_fvar(x_44);
-x_48 = lean_array_push(x_7, x_47);
+x_47 = lean_local_ctx_mk_local_decl(x_6, x_44, x_37, x_42, x_46);
+x_48 = l_Lean_mkFVar(x_44);
+x_49 = lean_array_push(x_7, x_48);
 if (lean_obj_tag(x_4) == 0)
 {
-x_6 = x_46;
-x_7 = x_48;
-x_9 = x_40;
+x_6 = x_47;
+x_7 = x_49;
+x_9 = x_39;
 x_11 = x_45;
 goto _start;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; uint8_t x_52; 
-x_50 = lean_ctor_get(x_4, 0);
-lean_inc(x_50);
-x_51 = lean_array_get_size(x_48);
-x_52 = lean_nat_dec_lt(x_51, x_50);
-lean_dec(x_50);
-if (x_52 == 0)
+lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+x_51 = lean_ctor_get(x_4, 0);
+lean_inc(x_51);
+x_52 = lean_array_get_size(x_49);
+x_53 = lean_nat_dec_lt(x_52, x_51);
+lean_dec(x_51);
+if (x_53 == 0)
 {
-lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
 lean_dec(x_4);
 lean_dec(x_1);
-lean_inc(x_48);
-x_53 = lean_expr_instantiate_rev_range(x_40, x_8, x_51, x_48);
-lean_dec(x_51);
-lean_dec(x_40);
-lean_inc(x_48);
-x_54 = lean_apply_2(x_5, x_48, x_53);
-x_55 = !lean_is_exclusive(x_10);
-if (x_55 == 0)
+lean_inc(x_49);
+x_54 = lean_expr_instantiate_rev_range(x_39, x_8, x_52, x_49);
+lean_dec(x_52);
+lean_dec(x_39);
+lean_inc(x_49);
+x_55 = lean_apply_2(x_5, x_49, x_54);
+x_56 = !lean_is_exclusive(x_10);
+if (x_56 == 0)
 {
-lean_object* x_56; lean_object* x_57; 
-x_56 = lean_ctor_get(x_10, 1);
-lean_dec(x_56);
-lean_ctor_set(x_10, 1, x_46);
-x_57 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_2, x_48, x_8, x_54, x_10, x_45);
-lean_dec(x_48);
-return x_57;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_10, 1);
+lean_dec(x_57);
+lean_ctor_set(x_10, 1, x_47);
+x_58 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_2, x_49, x_8, x_55, x_10, x_45);
+lean_dec(x_49);
+return x_58;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_10, 0);
-x_59 = lean_ctor_get(x_10, 2);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_59 = lean_ctor_get(x_10, 0);
+x_60 = lean_ctor_get(x_10, 2);
+lean_inc(x_60);
 lean_inc(x_59);
-lean_inc(x_58);
 lean_dec(x_10);
-x_60 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_46);
-lean_ctor_set(x_60, 2, x_59);
-x_61 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_2, x_48, x_8, x_54, x_60, x_45);
-lean_dec(x_48);
-return x_61;
+x_61 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_47);
+lean_ctor_set(x_61, 2, x_60);
+x_62 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_2, x_49, x_8, x_55, x_61, x_45);
+lean_dec(x_49);
+return x_62;
 }
 }
 else
 {
-lean_dec(x_51);
-x_6 = x_46;
-x_7 = x_48;
-x_9 = x_40;
+lean_dec(x_52);
+x_6 = x_47;
+x_7 = x_49;
+x_9 = x_39;
 x_11 = x_45;
 goto _start;
 }
@@ -4452,9 +4402,9 @@ goto _start;
 }
 else
 {
-lean_object* x_63; 
-x_63 = lean_box(0);
-x_12 = x_63;
+lean_object* x_64; 
+x_64 = lean_box(0);
+x_12 = x_64;
 goto block_36;
 }
 block_36:
@@ -5094,6 +5044,7 @@ lean_inc(x_19);
 lean_dec(x_17);
 x_20 = l_Lean_LocalDecl_type(x_18);
 lean_dec(x_18);
+lean_inc(x_8);
 lean_inc(x_20);
 x_21 = l_Lean_Meta_isClassQuick___main(x_20, x_8, x_19);
 if (lean_obj_tag(x_21) == 0)
@@ -5483,6 +5434,7 @@ lean_inc(x_25);
 lean_dec(x_23);
 x_26 = l_Lean_LocalDecl_type(x_24);
 lean_dec(x_24);
+lean_inc(x_13);
 lean_inc(x_26);
 x_27 = l_Lean_Meta_isClassQuick___main(x_26, x_13, x_25);
 if (lean_obj_tag(x_27) == 0)
@@ -5753,7 +5705,7 @@ _start:
 {
 lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 lean_inc(x_6);
-x_11 = lean_expr_mk_fvar(x_6);
+x_11 = l_Lean_mkFVar(x_6);
 lean_inc(x_3);
 x_12 = lean_array_push(x_3, x_11);
 x_13 = lean_array_get_size(x_12);
@@ -5792,6 +5744,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_9);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_9, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -6054,96 +6007,97 @@ _start:
 lean_object* x_11; 
 if (lean_obj_tag(x_8) == 7)
 {
-lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint64_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
 x_24 = lean_ctor_get(x_8, 0);
 lean_inc(x_24);
-x_25 = lean_ctor_get_uint8(x_8, sizeof(void*)*3);
-x_26 = lean_ctor_get(x_8, 1);
+x_25 = lean_ctor_get(x_8, 1);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_8, 2);
 lean_inc(x_26);
-x_27 = lean_ctor_get(x_8, 2);
-lean_inc(x_27);
+x_27 = lean_ctor_get_uint64(x_8, sizeof(void*)*3);
 lean_dec(x_8);
 x_28 = lean_array_get_size(x_6);
 lean_inc(x_6);
-x_29 = lean_expr_instantiate_rev_range(x_26, x_7, x_28, x_6);
+x_29 = lean_expr_instantiate_rev_range(x_25, x_7, x_28, x_6);
 lean_dec(x_28);
-lean_dec(x_26);
+lean_dec(x_25);
 x_30 = l_Lean_Meta_mkFreshId___rarg(x_10);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
 lean_inc(x_32);
 lean_dec(x_30);
+x_33 = (uint8_t)((x_27 << 24) >> 61);
 lean_inc(x_31);
-x_33 = lean_local_ctx_mk_local_decl(x_5, x_31, x_24, x_29, x_25);
+x_34 = lean_local_ctx_mk_local_decl(x_5, x_31, x_24, x_29, x_33);
 lean_inc(x_31);
-x_34 = lean_expr_mk_fvar(x_31);
+x_35 = l_Lean_mkFVar(x_31);
 lean_inc(x_6);
-x_35 = lean_array_push(x_6, x_34);
+x_36 = lean_array_push(x_6, x_35);
 if (lean_obj_tag(x_4) == 0)
 {
 lean_dec(x_31);
 lean_dec(x_6);
-x_5 = x_33;
-x_6 = x_35;
-x_8 = x_27;
+x_5 = x_34;
+x_6 = x_36;
+x_8 = x_26;
 x_10 = x_32;
 goto _start;
 }
 else
 {
-lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-x_37 = lean_ctor_get(x_4, 0);
-lean_inc(x_37);
-x_38 = lean_array_get_size(x_35);
-x_39 = lean_nat_dec_lt(x_38, x_37);
-lean_dec(x_37);
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+x_38 = lean_ctor_get(x_4, 0);
+lean_inc(x_38);
+x_39 = lean_array_get_size(x_36);
+x_40 = lean_nat_dec_lt(x_39, x_38);
 lean_dec(x_38);
-if (x_39 == 0)
-{
-uint8_t x_40; 
-lean_dec(x_4);
-x_40 = !lean_is_exclusive(x_9);
+lean_dec(x_39);
 if (x_40 == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_9, 1);
-lean_dec(x_41);
-lean_ctor_set(x_9, 1, x_33);
+uint8_t x_41; 
+lean_dec(x_4);
+x_41 = !lean_is_exclusive(x_9);
+if (x_41 == 0)
+{
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_9, 1);
+lean_dec(x_42);
+lean_ctor_set(x_9, 1, x_34);
 lean_inc(x_7);
-x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__5___rarg(x_1, x_2, x_6, x_7, x_27, x_31, x_35, x_7, x_9, x_32);
-lean_dec(x_35);
-lean_dec(x_27);
+x_43 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__5___rarg(x_1, x_2, x_6, x_7, x_26, x_31, x_36, x_7, x_9, x_32);
+lean_dec(x_36);
+lean_dec(x_26);
 lean_dec(x_7);
-return x_42;
+return x_43;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_43 = lean_ctor_get(x_9, 0);
-x_44 = lean_ctor_get(x_9, 2);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_9, 0);
+x_45 = lean_ctor_get(x_9, 2);
+lean_inc(x_45);
 lean_inc(x_44);
-lean_inc(x_43);
 lean_dec(x_9);
-x_45 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_33);
-lean_ctor_set(x_45, 2, x_44);
+x_46 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_34);
+lean_ctor_set(x_46, 2, x_45);
 lean_inc(x_7);
-x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__5___rarg(x_1, x_2, x_6, x_7, x_27, x_31, x_35, x_7, x_45, x_32);
-lean_dec(x_35);
-lean_dec(x_27);
+x_47 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_forallTelescope___spec__5___rarg(x_1, x_2, x_6, x_7, x_26, x_31, x_36, x_7, x_46, x_32);
+lean_dec(x_36);
+lean_dec(x_26);
 lean_dec(x_7);
-return x_46;
+return x_47;
 }
 }
 else
 {
 lean_dec(x_31);
 lean_dec(x_6);
-x_5 = x_33;
-x_6 = x_35;
-x_8 = x_27;
+x_5 = x_34;
+x_6 = x_36;
+x_8 = x_26;
 x_10 = x_32;
 goto _start;
 }
@@ -6151,9 +6105,9 @@ goto _start;
 }
 else
 {
-lean_object* x_48; 
-x_48 = lean_box(0);
-x_11 = x_48;
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_11 = x_49;
 goto block_23;
 }
 block_23:
@@ -6548,6 +6502,7 @@ lean_object* l_Lean_Meta_isClass(lean_object* x_1, lean_object* x_2, lean_object
 _start:
 {
 lean_object* x_5; 
+lean_inc(x_3);
 lean_inc(x_2);
 x_5 = l_Lean_Meta_isClassQuick___main(x_2, x_3, x_4);
 if (lean_obj_tag(x_5) == 0)
@@ -6667,77 +6622,78 @@ lean_object* x_9;
 switch (lean_obj_tag(x_6)) {
 case 6:
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 case 8:
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_35 = lean_ctor_get(x_6, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_6, 1);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_36 = lean_ctor_get(x_6, 0);
 lean_inc(x_36);
-x_37 = lean_ctor_get(x_6, 2);
+x_37 = lean_ctor_get(x_6, 1);
 lean_inc(x_37);
-x_38 = lean_ctor_get(x_6, 3);
+x_38 = lean_ctor_get(x_6, 2);
 lean_inc(x_38);
+x_39 = lean_ctor_get(x_6, 3);
+lean_inc(x_39);
 lean_dec(x_6);
-x_39 = lean_array_get_size(x_4);
+x_40 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_40 = lean_expr_instantiate_rev_range(x_36, x_5, x_39, x_4);
-lean_dec(x_36);
-lean_inc(x_4);
-x_41 = lean_expr_instantiate_rev_range(x_37, x_5, x_39, x_4);
-lean_dec(x_39);
+x_41 = lean_expr_instantiate_rev_range(x_37, x_5, x_40, x_4);
 lean_dec(x_37);
-x_42 = l_Lean_Meta_mkFreshId___rarg(x_8);
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_4);
+x_42 = lean_expr_instantiate_rev_range(x_38, x_5, x_40, x_4);
+lean_dec(x_40);
+lean_dec(x_38);
+x_43 = l_Lean_Meta_mkFreshId___rarg(x_8);
+x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
-lean_dec(x_42);
-lean_inc(x_43);
-x_45 = lean_local_ctx_mk_let_decl(x_3, x_43, x_35, x_40, x_41);
-x_46 = lean_expr_mk_fvar(x_43);
-x_47 = lean_array_push(x_4, x_46);
-x_3 = x_45;
-x_4 = x_47;
-x_6 = x_38;
-x_8 = x_44;
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+lean_inc(x_44);
+x_46 = lean_local_ctx_mk_let_decl(x_3, x_44, x_36, x_41, x_42);
+x_47 = l_Lean_mkFVar(x_44);
+x_48 = lean_array_push(x_4, x_47);
+x_3 = x_46;
+x_4 = x_48;
+x_6 = x_39;
+x_8 = x_45;
 goto _start;
 }
 default: 
 {
-lean_object* x_49; 
-x_49 = lean_box(0);
-x_9 = x_49;
+lean_object* x_50; 
+x_50 = lean_box(0);
+x_9 = x_50;
 goto block_21;
 }
 }
@@ -7476,6 +7432,8 @@ l_Lean_Meta_tracer___closed__4 = _init_l_Lean_Meta_tracer___closed__4();
 lean_mark_persistent(l_Lean_Meta_tracer___closed__4);
 l_Lean_Meta_tracer = _init_l_Lean_Meta_tracer();
 lean_mark_persistent(l_Lean_Meta_tracer);
+l_Lean_Meta_isClassQuick___main___closed__1 = _init_l_Lean_Meta_isClassQuick___main___closed__1();
+lean_mark_persistent(l_Lean_Meta_isClassQuick___main___closed__1);
 l_Lean_Meta_isClassExpensive___main___closed__1 = _init_l_Lean_Meta_isClassExpensive___main___closed__1();
 lean_mark_persistent(l_Lean_Meta_isClassExpensive___main___closed__1);
 return lean_mk_io_result(lean_box(0));
diff --git a/stage0/library/Init/Lean/Meta/Default.c b/stage0/library/Init/Lean/Meta/Default.c
index 4012932f50..b584a87860 100644
--- a/stage0/library/Init/Lean/Meta/Default.c
+++ b/stage0/library/Init/Lean/Meta/Default.c
@@ -21,7 +21,6 @@ lean_object* l_Lean_ConstantInfo_name(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__39(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*);
-lean_object* lean_expr_mk_sort(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__22(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_empty___closed__1;
@@ -45,6 +44,7 @@ lean_object* l_List_lengthAux___main___rarg(lean_object*, lean_object*);
 lean_object* l_ReaderT_bind___at_Lean_Meta_forallTelescope___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_smartUnfoldingSuffix;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_5__getLevel___at_Lean_Meta_isProp___spec__18(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_reduceQuotRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getFunInfoAuxAux___at_Lean_Meta_getFunInfo___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -58,10 +58,10 @@ lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux__
 lean_object* lean_expr_instantiate_rev_range(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_8__deltaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassQuick___main(lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_inferTypeAuxAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__30(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__26(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___at_Lean_Meta_isProp___spec__15(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Meta_isProp___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -77,6 +77,7 @@ lean_object* l___private_Init_Lean_WHNF_4__getRecRuleFor(lean_object*, lean_obje
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__25(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Literal_type(lean_object*);
 lean_object* l_Lean_reduceQuotRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_get_expr_assignment(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__50___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -86,7 +87,6 @@ lean_object* l___private_Init_Lean_Meta_Default_2__boolToExpr(uint8_t);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__11___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_9__lambdaTelescopeAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__33(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Nat_foldMAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__44(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -111,8 +111,6 @@ lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_M
 lean_object* l_Nat_foldMAux___main___at_Lean_Meta_getFunInfo___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_reduceRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_proj(lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__37(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__34(lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
@@ -125,12 +123,13 @@ lean_object* l_Lean_whnfEasyCases___main___at___private_Init_Lean_Meta_Default_3
 uint8_t l_Lean_ConstantInfo_hasValue(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__41(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldMAux___main___at_Lean_Meta_isProp___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_isProp___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___main___at_Lean_Meta_isProp___spec__7(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__39___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__47(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_8__forallTelescopeReducingAux___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__36(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isForall(lean_object*);
@@ -138,6 +137,7 @@ lean_object* l___private_Init_Lean_Meta_Basic_8__forallTelescopeReducingAux___at
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_10__inferFVarType(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__11___closed__1;
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_isProp___spec__9(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_reduceRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
@@ -178,12 +178,10 @@ lean_object* l_Lean_RecursorVal_getMajorIdx(lean_object*);
 lean_object* l_Lean_Meta_whnfAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_ReaderT_pure___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__12___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insert___at___private_Init_Lean_Meta_FunInfo_1__checkFunInfoCache___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_FunInfo_2__updateHasFwdDeps(lean_object*, lean_object*);
-lean_object* lean_expr_mk_bvar(lean_object*);
 lean_object* l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_9__inferMVarType(lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldMAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__53(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -197,6 +195,7 @@ lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_M
 lean_object* l_Nat_foldMAux___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__53___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Meta_isProp___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_WHNF_1__isAuxDef_x3f(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* lean_instantiate_type_lparams(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForall(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_pure___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__12___rarg(lean_object*, lean_object*, lean_object*);
@@ -211,6 +210,7 @@ lean_object* l___private_Init_Lean_Meta_InferType_2__inferAppType___at___private
 uint8_t lean_is_class(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__35(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_3__inferConstType(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_Meta_getFunInfoNArgs(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -224,14 +224,14 @@ lean_object* l_Lean_whnfEasyCases___main___at___private_Init_Lean_Meta_Default_3
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnf(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArgD___main(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Default_2__boolToExpr___boxed(lean_object*);
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_5__getLevel___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__46(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l___private_Init_Lean_Meta_Default_3__auxFixpoint___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__16(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__43(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
@@ -240,10 +240,11 @@ lean_object* l_Lean_Meta_isClassExpensive___at_Lean_Meta_isProp___spec__6(lean_o
 lean_object* l___private_Init_Lean_Meta_Default_3__auxFixpoint(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_Meta_isProp___spec__4(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Meta_isClassQuick___main___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__40___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_8__forallTelescopeReducingAux___at_Lean_Meta_getFunInfo___spec__4___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__39___lambda__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
+uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__24(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__22___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_unreachable_x21___rarg(lean_object*);
@@ -252,7 +253,6 @@ lean_object* l___private_Init_Lean_WHNF_5__toCtorWhenK___at___private_Init_Lean_
 lean_object* l_Lean_getStuckMVar___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__19(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_6__inferForallType___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__45(lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_4__inferProjType___at_Lean_Meta_isProp___spec__24(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Init_Lean_Meta_Default_1__exprToBool(lean_object*);
 lean_object* l_Lean_Meta_unfoldDefinitionAux___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__13(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -262,10 +262,12 @@ lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___sp
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__22(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkBVar(lean_object*);
 lean_object* l_ReaderT_pure___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__12(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Default_3__auxFixpoint___main___closed__1;
 lean_object* l___private_Init_Lean_Meta_InferType_7__inferLambdaType___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__31(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__7(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__50(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Init_Lean_Meta_Default_1__exprToBool(lean_object* x_1) {
@@ -311,7 +313,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = lean_unsigned_to_nat(0u);
-x_2 = lean_expr_mk_bvar(x_1);
+x_2 = l_Lean_mkBVar(x_1);
 return x_2;
 }
 }
@@ -321,7 +323,7 @@ _start:
 if (x_1 == 0)
 {
 lean_object* x_2; 
-x_2 = l_Lean_Expr_inhabited___closed__1;
+x_2 = l_Lean_Expr_getAppArgs___closed__1;
 return x_2;
 }
 else
@@ -593,12 +595,12 @@ lean_dec(x_1);
 x_42 = lean_ctor_get(x_27, 1);
 lean_inc(x_42);
 lean_dec(x_27);
-x_43 = l_Lean_Expr_inhabited;
+x_43 = l_Lean_Expr_Inhabited;
 x_44 = lean_array_get(x_43, x_6, x_10);
-x_45 = lean_expr_mk_app(x_44, x_24);
+x_45 = l_Lean_mkApp(x_44, x_24);
 x_46 = lean_unsigned_to_nat(1u);
 x_47 = lean_nat_add(x_9, x_46);
-x_48 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_11, x_6, x_47, x_45);
+x_48 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_11, x_6, x_47, x_45);
 lean_dec(x_11);
 x_49 = l_Lean_whnfCore___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__2(x_48, x_7, x_42);
 return x_49;
@@ -1302,16 +1304,16 @@ if (x_19 == 0)
 {
 lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
 x_20 = lean_ctor_get(x_10, 0);
-x_21 = lean_expr_mk_const(x_20, x_8);
+x_21 = l_Lean_mkConst(x_20, x_8);
 x_22 = lean_unsigned_to_nat(0u);
 x_23 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_22);
-x_24 = l_Lean_Expr_inhabited___closed__1;
+x_24 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_23);
 x_25 = lean_mk_array(x_23, x_24);
 x_26 = lean_unsigned_to_nat(1u);
 x_27 = lean_nat_sub(x_23, x_26);
 lean_dec(x_23);
-x_28 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_25, x_27);
+x_28 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_25, x_27);
 x_29 = l_Array_shrink___main___rarg(x_28, x_3);
 x_30 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_29, x_29, x_22, x_21);
 lean_dec(x_29);
@@ -1324,16 +1326,16 @@ lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean
 x_31 = lean_ctor_get(x_10, 0);
 lean_inc(x_31);
 lean_dec(x_10);
-x_32 = lean_expr_mk_const(x_31, x_8);
+x_32 = l_Lean_mkConst(x_31, x_8);
 x_33 = lean_unsigned_to_nat(0u);
 x_34 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_33);
-x_35 = l_Lean_Expr_inhabited___closed__1;
+x_35 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_34);
 x_36 = lean_mk_array(x_34, x_35);
 x_37 = lean_unsigned_to_nat(1u);
 x_38 = lean_nat_sub(x_34, x_37);
 lean_dec(x_34);
-x_39 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_36, x_38);
+x_39 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_36, x_38);
 x_40 = l_Array_shrink___main___rarg(x_39, x_3);
 x_41 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_40, x_40, x_33, x_32);
 lean_dec(x_40);
@@ -1358,16 +1360,16 @@ if (lean_is_exclusive(x_10)) {
  lean_dec_ref(x_10);
  x_45 = lean_box(0);
 }
-x_46 = lean_expr_mk_const(x_44, x_8);
+x_46 = l_Lean_mkConst(x_44, x_8);
 x_47 = lean_unsigned_to_nat(0u);
 x_48 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_47);
-x_49 = l_Lean_Expr_inhabited___closed__1;
+x_49 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_48);
 x_50 = lean_mk_array(x_48, x_49);
 x_51 = lean_unsigned_to_nat(1u);
 x_52 = lean_nat_sub(x_48, x_51);
 lean_dec(x_48);
-x_53 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_50, x_52);
+x_53 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_50, x_52);
 x_54 = l_Array_shrink___main___rarg(x_53, x_3);
 x_55 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_54, x_54, x_47, x_46);
 lean_dec(x_54);
@@ -1440,7 +1442,7 @@ else
 {
 lean_object* x_7; uint8_t x_8; 
 x_7 = lean_array_fget(x_2, x_4);
-x_8 = lean_expr_has_expr_mvar(x_7);
+x_8 = l_Lean_Expr_hasExprMVar(x_7);
 lean_dec(x_7);
 if (x_8 == 0)
 {
@@ -1475,7 +1477,7 @@ else
 {
 lean_object* x_8; uint8_t x_9; 
 x_8 = lean_array_fget(x_3, x_5);
-x_9 = lean_expr_has_expr_mvar(x_8);
+x_9 = l_Lean_Expr_hasExprMVar(x_8);
 lean_dec(x_8);
 if (x_9 == 0)
 {
@@ -1541,7 +1543,7 @@ return x_9;
 else
 {
 uint8_t x_17; 
-x_17 = lean_expr_has_expr_mvar(x_11);
+x_17 = l_Lean_Expr_hasExprMVar(x_11);
 if (x_17 == 0)
 {
 lean_object* x_18; lean_object* x_19; lean_object* x_20; 
@@ -1673,14 +1675,14 @@ else
 lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
 x_43 = lean_unsigned_to_nat(0u);
 x_44 = l_Lean_Expr_getAppNumArgsAux___main(x_11, x_43);
-x_45 = l_Lean_Expr_inhabited___closed__1;
+x_45 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_44);
 x_46 = lean_mk_array(x_44, x_45);
 x_47 = lean_unsigned_to_nat(1u);
 x_48 = lean_nat_sub(x_44, x_47);
 lean_dec(x_44);
 lean_inc(x_11);
-x_49 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_11, x_46, x_48);
+x_49 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_11, x_46, x_48);
 x_50 = lean_ctor_get(x_1, 2);
 lean_inc(x_50);
 lean_dec(x_1);
@@ -1999,7 +2001,7 @@ return x_111;
 else
 {
 uint8_t x_112; 
-x_112 = lean_expr_has_expr_mvar(x_105);
+x_112 = l_Lean_Expr_hasExprMVar(x_105);
 if (x_112 == 0)
 {
 lean_object* x_113; lean_object* x_114; lean_object* x_115; 
@@ -2130,14 +2132,14 @@ else
 lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
 x_135 = lean_unsigned_to_nat(0u);
 x_136 = l_Lean_Expr_getAppNumArgsAux___main(x_105, x_135);
-x_137 = l_Lean_Expr_inhabited___closed__1;
+x_137 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_136);
 x_138 = lean_mk_array(x_136, x_137);
 x_139 = lean_unsigned_to_nat(1u);
 x_140 = lean_nat_sub(x_136, x_139);
 lean_dec(x_136);
 lean_inc(x_105);
-x_141 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_105, x_138, x_140);
+x_141 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_105, x_138, x_140);
 x_142 = lean_ctor_get(x_1, 2);
 lean_inc(x_142);
 lean_dec(x_1);
@@ -2582,13 +2584,13 @@ lean_inc(x_69);
 lean_dec(x_64);
 x_70 = lean_unsigned_to_nat(0u);
 x_71 = l_Lean_Expr_getAppNumArgsAux___main(x_63, x_70);
-x_72 = l_Lean_Expr_inhabited___closed__1;
+x_72 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_71);
 x_73 = lean_mk_array(x_71, x_72);
 x_74 = lean_unsigned_to_nat(1u);
 x_75 = lean_nat_sub(x_71, x_74);
 lean_dec(x_71);
-x_76 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_63, x_73, x_75);
+x_76 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_63, x_73, x_75);
 x_77 = l_List_lengthAux___main___rarg(x_5, x_70);
 x_78 = lean_ctor_get(x_4, 0);
 lean_inc(x_78);
@@ -2649,7 +2651,7 @@ lean_dec(x_4);
 x_92 = lean_nat_add(x_90, x_91);
 lean_dec(x_91);
 lean_dec(x_90);
-x_93 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_92, x_6, x_70, x_87);
+x_93 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_92, x_6, x_70, x_87);
 lean_dec(x_92);
 x_94 = lean_array_get_size(x_76);
 x_95 = lean_ctor_get(x_69, 1);
@@ -2657,12 +2659,12 @@ lean_inc(x_95);
 lean_dec(x_69);
 x_96 = lean_nat_sub(x_94, x_95);
 lean_dec(x_95);
-x_97 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_94, x_76, x_96, x_93);
+x_97 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_94, x_76, x_96, x_93);
 lean_dec(x_76);
 lean_dec(x_94);
 x_98 = lean_nat_add(x_9, x_74);
 lean_dec(x_9);
-x_99 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_10, x_6, x_98, x_97);
+x_99 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_10, x_6, x_98, x_97);
 lean_dec(x_10);
 x_100 = l_Lean_whnfCore___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__2(x_99, x_7, x_19);
 return x_100;
@@ -2788,13 +2790,13 @@ lean_inc(x_29);
 lean_dec(x_24);
 x_30 = lean_unsigned_to_nat(0u);
 x_31 = l_Lean_Expr_getAppNumArgsAux___main(x_23, x_30);
-x_32 = l_Lean_Expr_inhabited___closed__1;
+x_32 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_31);
 x_33 = lean_mk_array(x_31, x_32);
 x_34 = lean_unsigned_to_nat(1u);
 x_35 = lean_nat_sub(x_31, x_34);
 lean_dec(x_31);
-x_36 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_23, x_33, x_35);
+x_36 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_23, x_33, x_35);
 x_37 = l_List_lengthAux___main___rarg(x_5, x_30);
 x_38 = lean_ctor_get(x_4, 0);
 lean_inc(x_38);
@@ -2864,7 +2866,7 @@ lean_dec(x_4);
 x_52 = lean_nat_add(x_50, x_51);
 lean_dec(x_51);
 lean_dec(x_50);
-x_53 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_52, x_6, x_30, x_47);
+x_53 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_52, x_6, x_30, x_47);
 lean_dec(x_52);
 x_54 = lean_array_get_size(x_36);
 x_55 = lean_ctor_get(x_29, 1);
@@ -2872,12 +2874,12 @@ lean_inc(x_55);
 lean_dec(x_29);
 x_56 = lean_nat_sub(x_54, x_55);
 lean_dec(x_55);
-x_57 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_54, x_36, x_56, x_53);
+x_57 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_54, x_36, x_56, x_53);
 lean_dec(x_36);
 lean_dec(x_54);
 x_58 = lean_nat_add(x_9, x_34);
 lean_dec(x_9);
-x_59 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_10, x_6, x_58, x_57);
+x_59 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_10, x_6, x_58, x_57);
 lean_dec(x_10);
 x_60 = l_Lean_whnfCore___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__2(x_59, x_7, x_22);
 return x_60;
@@ -2981,7 +2983,7 @@ case 0:
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
 lean_dec(x_2);
-x_10 = l_Lean_Expr_inhabited;
+x_10 = l_Lean_Expr_Inhabited;
 x_11 = l_monadInhabited___rarg(x_1, x_10);
 x_12 = l_unreachable_x21___rarg(x_11);
 x_13 = lean_apply_2(x_12, x_3, x_4);
@@ -3211,7 +3213,7 @@ x_63 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_62);
 x_64 = lean_mk_empty_array_with_capacity(x_63);
 lean_dec(x_63);
 lean_inc(x_2);
-x_65 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_64);
+x_65 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_64);
 x_66 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__3(x_2, x_26, x_29, x_46, x_33, x_65, x_3, x_61);
 lean_dec(x_29);
 lean_dec(x_26);
@@ -3229,14 +3231,14 @@ lean_inc(x_68);
 lean_dec(x_46);
 x_69 = lean_unsigned_to_nat(0u);
 x_70 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_69);
-x_71 = l_Lean_Expr_inhabited___closed__1;
+x_71 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_70);
 x_72 = lean_mk_array(x_70, x_71);
 x_73 = lean_unsigned_to_nat(1u);
 x_74 = lean_nat_sub(x_70, x_73);
 lean_dec(x_70);
 lean_inc(x_2);
-x_75 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_72, x_74);
+x_75 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_72, x_74);
 x_76 = l_Lean_reduceQuotRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__4(x_2, x_26, x_29, x_68, x_33, x_75, x_3, x_67);
 lean_dec(x_75);
 lean_dec(x_33);
@@ -3256,14 +3258,14 @@ lean_inc(x_78);
 lean_dec(x_46);
 x_79 = lean_unsigned_to_nat(0u);
 x_80 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_79);
-x_81 = l_Lean_Expr_inhabited___closed__1;
+x_81 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_80);
 x_82 = lean_mk_array(x_80, x_81);
 x_83 = lean_unsigned_to_nat(1u);
 x_84 = lean_nat_sub(x_80, x_83);
 lean_dec(x_80);
 lean_inc(x_2);
-x_85 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_82, x_84);
+x_85 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_82, x_84);
 x_86 = l_Lean_reduceRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__5(x_2, x_26, x_29, x_78, x_33, x_85, x_3, x_77);
 lean_dec(x_85);
 lean_dec(x_29);
@@ -3390,7 +3392,7 @@ x_102 = lean_unsigned_to_nat(0u);
 x_103 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_102);
 x_104 = lean_mk_empty_array_with_capacity(x_103);
 lean_dec(x_103);
-x_105 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_104);
+x_105 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_104);
 x_106 = l_Lean_Expr_betaRev(x_26, x_105);
 lean_dec(x_26);
 x_107 = l_Lean_whnfCore___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__2(x_106, x_3, x_30);
@@ -3544,7 +3546,7 @@ x_136 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_135);
 x_137 = lean_mk_empty_array_with_capacity(x_136);
 lean_dec(x_136);
 lean_inc(x_2);
-x_138 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_137);
+x_138 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_137);
 x_139 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__3(x_2, x_26, x_108, x_122, x_112, x_138, x_3, x_134);
 lean_dec(x_108);
 lean_dec(x_26);
@@ -3562,14 +3564,14 @@ lean_inc(x_141);
 lean_dec(x_122);
 x_142 = lean_unsigned_to_nat(0u);
 x_143 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_142);
-x_144 = l_Lean_Expr_inhabited___closed__1;
+x_144 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_143);
 x_145 = lean_mk_array(x_143, x_144);
 x_146 = lean_unsigned_to_nat(1u);
 x_147 = lean_nat_sub(x_143, x_146);
 lean_dec(x_143);
 lean_inc(x_2);
-x_148 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_145, x_147);
+x_148 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_145, x_147);
 x_149 = l_Lean_reduceQuotRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__4(x_2, x_26, x_108, x_141, x_112, x_148, x_3, x_140);
 lean_dec(x_148);
 lean_dec(x_112);
@@ -3589,14 +3591,14 @@ lean_inc(x_151);
 lean_dec(x_122);
 x_152 = lean_unsigned_to_nat(0u);
 x_153 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_152);
-x_154 = l_Lean_Expr_inhabited___closed__1;
+x_154 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_153);
 x_155 = lean_mk_array(x_153, x_154);
 x_156 = lean_unsigned_to_nat(1u);
 x_157 = lean_nat_sub(x_153, x_156);
 lean_dec(x_153);
 lean_inc(x_2);
-x_158 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_155, x_157);
+x_158 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_155, x_157);
 x_159 = l_Lean_reduceRec___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__5(x_2, x_26, x_108, x_151, x_112, x_158, x_3, x_150);
 lean_dec(x_158);
 lean_dec(x_108);
@@ -3717,7 +3719,7 @@ x_174 = lean_unsigned_to_nat(0u);
 x_175 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_174);
 x_176 = lean_mk_empty_array_with_capacity(x_175);
 lean_dec(x_175);
-x_177 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_176);
+x_177 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_176);
 x_178 = l_Lean_Expr_betaRev(x_26, x_177);
 lean_dec(x_26);
 x_179 = l_Lean_whnfCore___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__2(x_178, x_3, x_109);
@@ -4161,11 +4163,21 @@ return x_270;
 }
 }
 }
+case 12:
+{
+lean_object* x_271; lean_object* x_272; lean_object* x_273; lean_object* x_274; 
+lean_dec(x_2);
+x_271 = l_Lean_Expr_Inhabited;
+x_272 = l_monadInhabited___rarg(x_1, x_271);
+x_273 = l_unreachable_x21___rarg(x_272);
+x_274 = lean_apply_2(x_273, x_3, x_4);
+return x_274;
+}
 default: 
 {
-lean_object* x_271; 
-x_271 = lean_box(0);
-x_5 = x_271;
+lean_object* x_275; 
+x_275 = lean_box(0);
+x_5 = x_275;
 goto block_9;
 }
 }
@@ -4587,13 +4599,13 @@ lean_inc(x_23);
 lean_dec(x_21);
 x_24 = lean_unsigned_to_nat(0u);
 x_25 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_24);
-x_26 = l_Lean_Expr_inhabited___closed__1;
+x_26 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_25);
 x_27 = lean_mk_array(x_25, x_26);
 x_28 = lean_unsigned_to_nat(1u);
 x_29 = lean_nat_sub(x_25, x_28);
 lean_dec(x_25);
-x_30 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_27, x_29);
+x_30 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_27, x_29);
 x_31 = l_Lean_isQuotRecStuck___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__20(x_23, x_11, x_30, x_2, x_22);
 lean_dec(x_30);
 lean_dec(x_11);
@@ -4611,13 +4623,13 @@ lean_inc(x_33);
 lean_dec(x_21);
 x_34 = lean_unsigned_to_nat(0u);
 x_35 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_34);
-x_36 = l_Lean_Expr_inhabited___closed__1;
+x_36 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_35);
 x_37 = lean_mk_array(x_35, x_36);
 x_38 = lean_unsigned_to_nat(1u);
 x_39 = lean_nat_sub(x_35, x_38);
 lean_dec(x_35);
-x_40 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_37, x_39);
+x_40 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_37, x_39);
 x_41 = l_Lean_isRecStuck___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__21(x_33, x_11, x_40, x_2, x_32);
 lean_dec(x_40);
 lean_dec(x_11);
@@ -5425,7 +5437,7 @@ lean_free_object(x_48);
 x_54 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_55 = lean_mk_empty_array_with_capacity(x_54);
 lean_dec(x_54);
-x_56 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_55);
+x_56 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_55);
 x_57 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__16(x_1, x_39, x_28, x_56, x_3, x_51);
 return x_57;
 }
@@ -5455,7 +5467,7 @@ lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64;
 x_61 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_62 = lean_mk_empty_array_with_capacity(x_61);
 lean_dec(x_61);
-x_63 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_62);
+x_63 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_62);
 x_64 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__16(x_1, x_39, x_28, x_63, x_3, x_58);
 return x_64;
 }
@@ -5496,7 +5508,7 @@ lean_free_object(x_48);
 x_70 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_71 = lean_mk_empty_array_with_capacity(x_70);
 lean_dec(x_70);
-x_72 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_71);
+x_72 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_71);
 x_73 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__17(x_1, x_39, x_28, x_72, x_3, x_67);
 return x_73;
 }
@@ -5526,7 +5538,7 @@ lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80;
 x_77 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_78 = lean_mk_empty_array_with_capacity(x_77);
 lean_dec(x_77);
-x_79 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_78);
+x_79 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_78);
 x_80 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__17(x_1, x_39, x_28, x_79, x_3, x_74);
 return x_80;
 }
@@ -5542,7 +5554,7 @@ lean_dec(x_48);
 x_82 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_83 = lean_mk_empty_array_with_capacity(x_82);
 lean_dec(x_82);
-x_84 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_83);
+x_84 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_83);
 x_85 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__22(x_1, x_65, x_28, x_84, x_3, x_81);
 return x_85;
 }
@@ -5574,7 +5586,7 @@ lean_free_object(x_48);
 x_90 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_91 = lean_mk_empty_array_with_capacity(x_90);
 lean_dec(x_90);
-x_92 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_91);
+x_92 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_91);
 x_93 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__23(x_1, x_39, x_28, x_92, x_3, x_87);
 return x_93;
 }
@@ -5604,7 +5616,7 @@ lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100;
 x_97 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_98 = lean_mk_empty_array_with_capacity(x_97);
 lean_dec(x_97);
-x_99 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_98);
+x_99 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_98);
 x_100 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__23(x_1, x_39, x_28, x_99, x_3, x_94);
 return x_100;
 }
@@ -5638,7 +5650,7 @@ lean_free_object(x_48);
 x_105 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_106 = lean_mk_empty_array_with_capacity(x_105);
 lean_dec(x_105);
-x_107 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_106);
+x_107 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_106);
 x_108 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__24(x_1, x_39, x_28, x_107, x_3, x_102);
 return x_108;
 }
@@ -5668,7 +5680,7 @@ lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115;
 x_112 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_113 = lean_mk_empty_array_with_capacity(x_112);
 lean_dec(x_112);
-x_114 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_113);
+x_114 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_113);
 x_115 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__24(x_1, x_39, x_28, x_114, x_3, x_109);
 return x_115;
 }
@@ -5702,7 +5714,7 @@ lean_free_object(x_48);
 x_120 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_121 = lean_mk_empty_array_with_capacity(x_120);
 lean_dec(x_120);
-x_122 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_121);
+x_122 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_121);
 x_123 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__25(x_1, x_39, x_28, x_122, x_3, x_117);
 return x_123;
 }
@@ -5732,7 +5744,7 @@ lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130;
 x_127 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_128 = lean_mk_empty_array_with_capacity(x_127);
 lean_dec(x_127);
-x_129 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_128);
+x_129 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_128);
 x_130 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__25(x_1, x_39, x_28, x_129, x_3, x_124);
 return x_130;
 }
@@ -5766,7 +5778,7 @@ lean_free_object(x_48);
 x_135 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_136 = lean_mk_empty_array_with_capacity(x_135);
 lean_dec(x_135);
-x_137 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_136);
+x_137 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_136);
 x_138 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__26(x_1, x_39, x_28, x_137, x_3, x_132);
 return x_138;
 }
@@ -5796,7 +5808,7 @@ lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145;
 x_142 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_143 = lean_mk_empty_array_with_capacity(x_142);
 lean_dec(x_142);
-x_144 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_143);
+x_144 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_143);
 x_145 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__26(x_1, x_39, x_28, x_144, x_3, x_139);
 return x_145;
 }
@@ -5830,7 +5842,7 @@ lean_free_object(x_48);
 x_150 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_151 = lean_mk_empty_array_with_capacity(x_150);
 lean_dec(x_150);
-x_152 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_151);
+x_152 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_151);
 x_153 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__27(x_1, x_39, x_28, x_152, x_3, x_147);
 return x_153;
 }
@@ -5860,7 +5872,7 @@ lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160;
 x_157 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_158 = lean_mk_empty_array_with_capacity(x_157);
 lean_dec(x_157);
-x_159 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_158);
+x_159 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_158);
 x_160 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__27(x_1, x_39, x_28, x_159, x_3, x_154);
 return x_160;
 }
@@ -5894,7 +5906,7 @@ lean_free_object(x_48);
 x_165 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_166 = lean_mk_empty_array_with_capacity(x_165);
 lean_dec(x_165);
-x_167 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_166);
+x_167 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_166);
 x_168 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__28(x_1, x_39, x_28, x_167, x_3, x_162);
 return x_168;
 }
@@ -5924,7 +5936,7 @@ lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175;
 x_172 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_41);
 x_173 = lean_mk_empty_array_with_capacity(x_172);
 lean_dec(x_172);
-x_174 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_173);
+x_174 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_173);
 x_175 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__28(x_1, x_39, x_28, x_174, x_3, x_169);
 return x_175;
 }
@@ -6040,7 +6052,7 @@ lean_dec(x_194);
 x_197 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_198 = lean_mk_empty_array_with_capacity(x_197);
 lean_dec(x_197);
-x_199 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_198);
+x_199 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_198);
 x_200 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__16(x_1, x_181, x_28, x_199, x_3, x_193);
 return x_200;
 }
@@ -6090,7 +6102,7 @@ lean_dec(x_203);
 x_206 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_207 = lean_mk_empty_array_with_capacity(x_206);
 lean_dec(x_206);
-x_208 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_207);
+x_208 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_207);
 x_209 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__17(x_1, x_181, x_28, x_208, x_3, x_202);
 return x_209;
 }
@@ -6105,7 +6117,7 @@ lean_dec(x_191);
 x_211 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_212 = lean_mk_empty_array_with_capacity(x_211);
 lean_dec(x_211);
-x_213 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_212);
+x_213 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_212);
 x_214 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__22(x_1, x_201, x_28, x_213, x_3, x_210);
 return x_214;
 }
@@ -6147,7 +6159,7 @@ lean_dec(x_216);
 x_219 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_220 = lean_mk_empty_array_with_capacity(x_219);
 lean_dec(x_219);
-x_221 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_220);
+x_221 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_220);
 x_222 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__23(x_1, x_181, x_28, x_221, x_3, x_215);
 return x_222;
 }
@@ -6190,7 +6202,7 @@ lean_dec(x_224);
 x_227 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_228 = lean_mk_empty_array_with_capacity(x_227);
 lean_dec(x_227);
-x_229 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_228);
+x_229 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_228);
 x_230 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__24(x_1, x_181, x_28, x_229, x_3, x_223);
 return x_230;
 }
@@ -6233,7 +6245,7 @@ lean_dec(x_232);
 x_235 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_236 = lean_mk_empty_array_with_capacity(x_235);
 lean_dec(x_235);
-x_237 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_236);
+x_237 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_236);
 x_238 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__25(x_1, x_181, x_28, x_237, x_3, x_231);
 return x_238;
 }
@@ -6276,7 +6288,7 @@ lean_dec(x_240);
 x_243 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_244 = lean_mk_empty_array_with_capacity(x_243);
 lean_dec(x_243);
-x_245 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_244);
+x_245 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_244);
 x_246 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__26(x_1, x_181, x_28, x_245, x_3, x_239);
 return x_246;
 }
@@ -6319,7 +6331,7 @@ lean_dec(x_248);
 x_251 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_252 = lean_mk_empty_array_with_capacity(x_251);
 lean_dec(x_251);
-x_253 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_252);
+x_253 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_252);
 x_254 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__27(x_1, x_181, x_28, x_253, x_3, x_247);
 return x_254;
 }
@@ -6362,7 +6374,7 @@ lean_dec(x_256);
 x_259 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_183);
 x_260 = lean_mk_empty_array_with_capacity(x_259);
 lean_dec(x_259);
-x_261 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_2, x_260);
+x_261 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_2, x_260);
 x_262 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__28(x_1, x_181, x_28, x_261, x_3, x_255);
 return x_262;
 }
@@ -6468,7 +6480,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
-x_2 = l_Lean_Expr_inhabited;
+x_2 = l_Lean_Expr_Inhabited;
 x_3 = l_monadInhabited___rarg(x_1, x_2);
 return x_3;
 }
@@ -6781,14 +6793,23 @@ return x_64;
 }
 }
 }
+case 12:
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+lean_dec(x_1);
+x_65 = l_Lean_whnfEasyCases___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__29___closed__1;
+x_66 = l_unreachable_x21___rarg(x_65);
+x_67 = lean_apply_2(x_66, x_2, x_3);
+return x_67;
+}
 default: 
 {
-lean_object* x_65; 
+lean_object* x_68; 
 lean_dec(x_2);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_1);
-lean_ctor_set(x_65, 1, x_3);
-return x_65;
+x_68 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 0, x_1);
+lean_ctor_set(x_68, 1, x_3);
+return x_68;
 }
 }
 }
@@ -6873,6 +6894,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_4);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_4, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -7248,6 +7270,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_11);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_11, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -7570,6 +7593,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_4);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_4, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -7811,90 +7835,91 @@ _start:
 lean_object* x_9; 
 if (lean_obj_tag(x_6) == 7)
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
 if (lean_obj_tag(x_2) == 0)
 {
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_2, 0);
-lean_inc(x_35);
-x_36 = lean_array_get_size(x_33);
-x_37 = lean_nat_dec_lt(x_36, x_35);
-lean_dec(x_35);
-if (x_37 == 0)
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_nat_dec_lt(x_37, x_36);
+lean_dec(x_36);
+if (x_38 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
+lean_object* x_39; uint8_t x_40; 
 lean_dec(x_2);
-lean_inc(x_33);
-x_38 = lean_expr_instantiate_rev_range(x_25, x_5, x_36, x_33);
-lean_dec(x_36);
-lean_dec(x_25);
-x_39 = !lean_is_exclusive(x_7);
-if (x_39 == 0)
+lean_inc(x_34);
+x_39 = lean_expr_instantiate_rev_range(x_24, x_5, x_37, x_34);
+lean_dec(x_37);
+lean_dec(x_24);
+x_40 = !lean_is_exclusive(x_7);
+if (x_40 == 0)
 {
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_7, 1);
-lean_dec(x_40);
-lean_ctor_set(x_7, 1, x_31);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__40(x_38, x_33, x_5, x_7, x_30);
-lean_dec(x_33);
-lean_dec(x_38);
-return x_41;
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_7, 1);
+lean_dec(x_41);
+lean_ctor_set(x_7, 1, x_32);
+x_42 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__40(x_39, x_34, x_5, x_7, x_30);
+lean_dec(x_34);
+lean_dec(x_39);
+return x_42;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_7, 0);
-x_43 = lean_ctor_get(x_7, 2);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_7, 0);
+x_44 = lean_ctor_get(x_7, 2);
+lean_inc(x_44);
 lean_inc(x_43);
-lean_inc(x_42);
 lean_dec(x_7);
-x_44 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_31);
-lean_ctor_set(x_44, 2, x_43);
-x_45 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__40(x_38, x_33, x_5, x_44, x_30);
-lean_dec(x_33);
-lean_dec(x_38);
-return x_45;
+x_45 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_32);
+lean_ctor_set(x_45, 2, x_44);
+x_46 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__40(x_39, x_34, x_5, x_45, x_30);
+lean_dec(x_34);
+lean_dec(x_39);
+return x_46;
 }
 }
 else
 {
-lean_dec(x_36);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+lean_dec(x_37);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
@@ -7902,9 +7927,9 @@ goto _start;
 }
 else
 {
-lean_object* x_47; 
-x_47 = lean_box(0);
-x_9 = x_47;
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_9 = x_48;
 goto block_21;
 }
 block_21:
@@ -8893,6 +8918,7 @@ lean_inc(x_21);
 lean_dec(x_19);
 x_22 = l_Lean_LocalDecl_type(x_20);
 lean_dec(x_20);
+lean_inc(x_5);
 lean_inc(x_22);
 x_23 = l_Lean_Meta_isClassQuick___main(x_22, x_5, x_21);
 if (lean_obj_tag(x_23) == 0)
@@ -9141,77 +9167,78 @@ lean_object* x_7;
 switch (lean_obj_tag(x_4)) {
 case 6:
 {
-lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_object* x_18; lean_object* x_19; lean_object* x_20; uint64_t x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
 x_18 = lean_ctor_get(x_4, 0);
 lean_inc(x_18);
-x_19 = lean_ctor_get_uint8(x_4, sizeof(void*)*3);
-x_20 = lean_ctor_get(x_4, 1);
+x_19 = lean_ctor_get(x_4, 1);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_4, 2);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_4, 2);
-lean_inc(x_21);
+x_21 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
 lean_dec(x_4);
 x_22 = lean_array_get_size(x_2);
 lean_inc(x_2);
-x_23 = lean_expr_instantiate_rev_range(x_20, x_3, x_22, x_2);
+x_23 = lean_expr_instantiate_rev_range(x_19, x_3, x_22, x_2);
 lean_dec(x_22);
-lean_dec(x_20);
+lean_dec(x_19);
 x_24 = l_Lean_Meta_mkFreshId___rarg(x_6);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
 lean_dec(x_24);
+x_27 = (uint8_t)((x_21 << 24) >> 61);
 lean_inc(x_25);
-x_27 = lean_local_ctx_mk_local_decl(x_1, x_25, x_18, x_23, x_19);
-x_28 = lean_expr_mk_fvar(x_25);
-x_29 = lean_array_push(x_2, x_28);
-x_1 = x_27;
-x_2 = x_29;
-x_4 = x_21;
+x_28 = lean_local_ctx_mk_local_decl(x_1, x_25, x_18, x_23, x_27);
+x_29 = l_Lean_mkFVar(x_25);
+x_30 = lean_array_push(x_2, x_29);
+x_1 = x_28;
+x_2 = x_30;
+x_4 = x_20;
 x_6 = x_26;
 goto _start;
 }
 case 8:
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_31 = lean_ctor_get(x_4, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_4, 1);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_32 = lean_ctor_get(x_4, 0);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_4, 2);
+x_33 = lean_ctor_get(x_4, 1);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_4, 3);
+x_34 = lean_ctor_get(x_4, 2);
 lean_inc(x_34);
+x_35 = lean_ctor_get(x_4, 3);
+lean_inc(x_35);
 lean_dec(x_4);
-x_35 = lean_array_get_size(x_2);
+x_36 = lean_array_get_size(x_2);
 lean_inc(x_2);
-x_36 = lean_expr_instantiate_rev_range(x_32, x_3, x_35, x_2);
-lean_dec(x_32);
-lean_inc(x_2);
-x_37 = lean_expr_instantiate_rev_range(x_33, x_3, x_35, x_2);
-lean_dec(x_35);
+x_37 = lean_expr_instantiate_rev_range(x_33, x_3, x_36, x_2);
 lean_dec(x_33);
-x_38 = l_Lean_Meta_mkFreshId___rarg(x_6);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_2);
+x_38 = lean_expr_instantiate_rev_range(x_34, x_3, x_36, x_2);
+lean_dec(x_36);
+lean_dec(x_34);
+x_39 = l_Lean_Meta_mkFreshId___rarg(x_6);
+x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
-lean_dec(x_38);
-lean_inc(x_39);
-x_41 = lean_local_ctx_mk_let_decl(x_1, x_39, x_31, x_36, x_37);
-x_42 = lean_expr_mk_fvar(x_39);
-x_43 = lean_array_push(x_2, x_42);
-x_1 = x_41;
-x_2 = x_43;
-x_4 = x_34;
-x_6 = x_40;
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+lean_inc(x_40);
+x_42 = lean_local_ctx_mk_let_decl(x_1, x_40, x_32, x_37, x_38);
+x_43 = l_Lean_mkFVar(x_40);
+x_44 = lean_array_push(x_2, x_43);
+x_1 = x_42;
+x_2 = x_44;
+x_4 = x_35;
+x_6 = x_41;
 goto _start;
 }
 default: 
 {
-lean_object* x_45; 
-x_45 = lean_box(0);
-x_7 = x_45;
+lean_object* x_46; 
+x_46 = lean_box(0);
+x_7 = x_46;
 goto block_17;
 }
 }
@@ -10071,7 +10098,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = lean_level_mk_mvar(x_23);
 lean_inc(x_25);
-x_26 = lean_expr_mk_sort(x_25);
+x_26 = l_Lean_mkSort(x_25);
 x_27 = l_Lean_Meta_assignExprMVar(x_17, x_26, x_2, x_24);
 lean_dec(x_2);
 if (lean_obj_tag(x_27) == 0)
@@ -10378,7 +10405,7 @@ lean_inc(x_95);
 lean_dec(x_93);
 x_96 = lean_level_mk_mvar(x_94);
 lean_inc(x_96);
-x_97 = lean_expr_mk_sort(x_96);
+x_97 = l_Lean_mkSort(x_96);
 x_98 = l_Lean_Meta_assignExprMVar(x_88, x_97, x_2, x_95);
 lean_dec(x_2);
 if (lean_obj_tag(x_98) == 0)
@@ -10752,7 +10779,7 @@ lean_object* x_15; lean_object* x_16; lean_object* x_17;
 x_15 = lean_ctor_get(x_13, 0);
 x_16 = l_Lean_Level_normalize___main(x_15);
 lean_dec(x_15);
-x_17 = lean_expr_mk_sort(x_16);
+x_17 = l_Lean_mkSort(x_16);
 lean_ctor_set(x_13, 0, x_17);
 return x_13;
 }
@@ -10766,7 +10793,7 @@ lean_inc(x_18);
 lean_dec(x_13);
 x_20 = l_Lean_Level_normalize___main(x_18);
 lean_dec(x_18);
-x_21 = lean_expr_mk_sort(x_20);
+x_21 = l_Lean_mkSort(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_19);
@@ -10838,6 +10865,7 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = l_Lean_LocalDecl_type(x_34);
 lean_dec(x_34);
+lean_inc(x_6);
 lean_inc(x_36);
 x_37 = l_Lean_Meta_isClassQuick___main(x_36, x_6, x_35);
 if (lean_obj_tag(x_37) == 0)
@@ -11112,7 +11140,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18;
 x_16 = lean_ctor_get(x_14, 0);
 x_17 = l_Lean_Level_normalize___main(x_16);
 lean_dec(x_16);
-x_18 = lean_expr_mk_sort(x_17);
+x_18 = l_Lean_mkSort(x_17);
 lean_ctor_set(x_14, 0, x_18);
 return x_14;
 }
@@ -11126,7 +11154,7 @@ lean_inc(x_19);
 lean_dec(x_14);
 x_21 = l_Lean_Level_normalize___main(x_19);
 lean_dec(x_19);
-x_22 = lean_expr_mk_sort(x_21);
+x_22 = l_Lean_mkSort(x_21);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_20);
@@ -11247,6 +11275,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_11);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_11, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -11529,7 +11558,7 @@ lean_object* x_15; lean_object* x_16; lean_object* x_17;
 x_15 = lean_ctor_get(x_13, 0);
 x_16 = l_Lean_Level_normalize___main(x_15);
 lean_dec(x_15);
-x_17 = lean_expr_mk_sort(x_16);
+x_17 = l_Lean_mkSort(x_16);
 lean_ctor_set(x_13, 0, x_17);
 return x_13;
 }
@@ -11543,7 +11572,7 @@ lean_inc(x_18);
 lean_dec(x_13);
 x_20 = l_Lean_Level_normalize___main(x_18);
 lean_dec(x_18);
-x_21 = lean_expr_mk_sort(x_20);
+x_21 = l_Lean_mkSort(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_19);
@@ -11615,6 +11644,7 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = l_Lean_LocalDecl_type(x_34);
 lean_dec(x_34);
+lean_inc(x_6);
 lean_inc(x_36);
 x_37 = l_Lean_Meta_isClassQuick___main(x_36, x_6, x_35);
 if (lean_obj_tag(x_37) == 0)
@@ -11862,87 +11892,88 @@ _start:
 lean_object* x_9; 
 if (lean_obj_tag(x_6) == 7)
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
 if (lean_obj_tag(x_2) == 0)
 {
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_2, 0);
-lean_inc(x_35);
-x_36 = lean_array_get_size(x_33);
-x_37 = lean_nat_dec_lt(x_36, x_35);
-lean_dec(x_35);
-if (x_37 == 0)
-{
-lean_object* x_38; uint8_t x_39; 
-lean_dec(x_2);
-lean_inc(x_33);
-x_38 = lean_expr_instantiate_rev_range(x_25, x_5, x_36, x_33);
-lean_dec(x_25);
-x_39 = !lean_is_exclusive(x_7);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_7, 1);
-lean_dec(x_40);
-lean_ctor_set(x_7, 1, x_31);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51(x_33, x_36, x_38, x_33, x_5, x_7, x_30);
-lean_dec(x_33);
-return x_41;
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_7, 0);
-x_43 = lean_ctor_get(x_7, 2);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_7);
-x_44 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_31);
-lean_ctor_set(x_44, 2, x_43);
-x_45 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51(x_33, x_36, x_38, x_33, x_5, x_44, x_30);
-lean_dec(x_33);
-return x_45;
-}
-}
-else
-{
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_nat_dec_lt(x_37, x_36);
 lean_dec(x_36);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+if (x_38 == 0)
+{
+lean_object* x_39; uint8_t x_40; 
+lean_dec(x_2);
+lean_inc(x_34);
+x_39 = lean_expr_instantiate_rev_range(x_24, x_5, x_37, x_34);
+lean_dec(x_24);
+x_40 = !lean_is_exclusive(x_7);
+if (x_40 == 0)
+{
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_7, 1);
+lean_dec(x_41);
+lean_ctor_set(x_7, 1, x_32);
+x_42 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51(x_34, x_37, x_39, x_34, x_5, x_7, x_30);
+lean_dec(x_34);
+return x_42;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_7, 0);
+x_44 = lean_ctor_get(x_7, 2);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_7);
+x_45 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_32);
+lean_ctor_set(x_45, 2, x_44);
+x_46 = l_Lean_Meta_withNewLocalInstances___main___at___private_Init_Lean_Meta_Default_3__auxFixpoint___main___spec__51(x_34, x_37, x_39, x_34, x_5, x_45, x_30);
+lean_dec(x_34);
+return x_46;
+}
+}
+else
+{
+lean_dec(x_37);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
@@ -11950,9 +11981,9 @@ goto _start;
 }
 else
 {
-lean_object* x_47; 
-x_47 = lean_box(0);
-x_9 = x_47;
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_9 = x_48;
 goto block_21;
 }
 block_21:
@@ -12288,7 +12319,7 @@ else
 lean_object* x_28; lean_object* x_29; 
 lean_inc(x_3);
 lean_inc(x_1);
-x_28 = lean_expr_mk_proj(x_1, x_14, x_3);
+x_28 = l_Lean_mkProj(x_1, x_14, x_3);
 x_29 = lean_expr_instantiate1(x_25, x_28);
 lean_dec(x_28);
 lean_dec(x_25);
@@ -12441,7 +12472,7 @@ else
 lean_object* x_63; lean_object* x_64; 
 lean_inc(x_3);
 lean_inc(x_1);
-x_63 = lean_expr_mk_proj(x_1, x_14, x_3);
+x_63 = l_Lean_mkProj(x_1, x_14, x_3);
 x_64 = lean_expr_instantiate1(x_60, x_63);
 lean_dec(x_63);
 lean_dec(x_60);
@@ -12672,13 +12703,13 @@ lean_inc(x_35);
 lean_dec(x_30);
 x_36 = lean_unsigned_to_nat(0u);
 x_37 = l_Lean_Expr_getAppNumArgsAux___main(x_19, x_36);
-x_38 = l_Lean_Expr_inhabited___closed__1;
+x_38 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_37);
 x_39 = lean_mk_array(x_37, x_38);
 x_40 = lean_unsigned_to_nat(1u);
 x_41 = lean_nat_sub(x_37, x_40);
 lean_dec(x_37);
-x_42 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_19, x_39, x_41);
+x_42 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_19, x_39, x_41);
 x_43 = lean_array_get_size(x_42);
 x_44 = lean_nat_dec_eq(x_34, x_43);
 lean_dec(x_43);
@@ -13108,13 +13139,13 @@ lean_inc(x_116);
 lean_dec(x_110);
 x_117 = lean_unsigned_to_nat(0u);
 x_118 = l_Lean_Expr_getAppNumArgsAux___main(x_98, x_117);
-x_119 = l_Lean_Expr_inhabited___closed__1;
+x_119 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_118);
 x_120 = lean_mk_array(x_118, x_119);
 x_121 = lean_unsigned_to_nat(1u);
 x_122 = lean_nat_sub(x_118, x_121);
 lean_dec(x_118);
-x_123 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_98, x_120, x_122);
+x_123 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_98, x_120, x_122);
 x_124 = lean_array_get_size(x_123);
 x_125 = lean_nat_dec_eq(x_115, x_124);
 lean_dec(x_124);
@@ -13608,13 +13639,13 @@ lean_inc(x_209);
 lean_dec(x_203);
 x_210 = lean_unsigned_to_nat(0u);
 x_211 = l_Lean_Expr_getAppNumArgsAux___main(x_190, x_210);
-x_212 = l_Lean_Expr_inhabited___closed__1;
+x_212 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_211);
 x_213 = lean_mk_array(x_211, x_212);
 x_214 = lean_unsigned_to_nat(1u);
 x_215 = lean_nat_sub(x_211, x_214);
 lean_dec(x_211);
-x_216 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_190, x_213, x_215);
+x_216 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_190, x_213, x_215);
 x_217 = lean_array_get_size(x_216);
 x_218 = lean_nat_dec_eq(x_208, x_217);
 lean_dec(x_217);
@@ -14069,7 +14100,7 @@ x_62 = lean_ctor_get(x_1, 0);
 lean_inc(x_62);
 lean_dec(x_1);
 x_63 = lean_level_mk_succ(x_62);
-x_64 = lean_expr_mk_sort(x_63);
+x_64 = l_Lean_mkSort(x_63);
 x_65 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_65, 0, x_64);
 lean_ctor_set(x_65, 1, x_3);
@@ -14096,14 +14127,14 @@ x_70 = l_Lean_Expr_getAppFn___main(x_69);
 lean_dec(x_69);
 x_71 = lean_unsigned_to_nat(0u);
 x_72 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_71);
-x_73 = l_Lean_Expr_inhabited___closed__1;
+x_73 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_72);
 x_74 = lean_mk_array(x_72, x_73);
 x_75 = lean_unsigned_to_nat(1u);
 x_76 = lean_nat_sub(x_72, x_75);
 lean_dec(x_72);
 lean_inc(x_1);
-x_77 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_74, x_76);
+x_77 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_74, x_76);
 x_78 = lean_ctor_get(x_3, 2);
 lean_inc(x_78);
 x_79 = lean_ctor_get(x_78, 0);
@@ -14769,11 +14800,20 @@ lean_ctor_set(x_232, 1, x_3);
 return x_232;
 }
 }
+case 12:
+{
+lean_object* x_233; lean_object* x_234; lean_object* x_235; 
+lean_dec(x_1);
+x_233 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_234 = l_unreachable_x21___rarg(x_233);
+x_235 = lean_apply_2(x_234, x_2, x_3);
+return x_235;
+}
 default: 
 {
-lean_object* x_233; 
-x_233 = lean_box(0);
-x_4 = x_233;
+lean_object* x_236; 
+x_236 = lean_box(0);
+x_4 = x_236;
 goto block_54;
 }
 }
@@ -15479,6 +15519,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_4);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_4, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -15843,6 +15884,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_11);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_11, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -16165,6 +16207,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_4);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_4, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -16406,90 +16449,91 @@ _start:
 lean_object* x_9; 
 if (lean_obj_tag(x_6) == 7)
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
 if (lean_obj_tag(x_2) == 0)
 {
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_2, 0);
-lean_inc(x_35);
-x_36 = lean_array_get_size(x_33);
-x_37 = lean_nat_dec_lt(x_36, x_35);
-lean_dec(x_35);
-if (x_37 == 0)
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_nat_dec_lt(x_37, x_36);
+lean_dec(x_36);
+if (x_38 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
+lean_object* x_39; uint8_t x_40; 
 lean_dec(x_2);
-lean_inc(x_33);
-x_38 = lean_expr_instantiate_rev_range(x_25, x_5, x_36, x_33);
-lean_dec(x_36);
-lean_dec(x_25);
-x_39 = !lean_is_exclusive(x_7);
-if (x_39 == 0)
+lean_inc(x_34);
+x_39 = lean_expr_instantiate_rev_range(x_24, x_5, x_37, x_34);
+lean_dec(x_37);
+lean_dec(x_24);
+x_40 = !lean_is_exclusive(x_7);
+if (x_40 == 0)
 {
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_7, 1);
-lean_dec(x_40);
-lean_ctor_set(x_7, 1, x_31);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12(x_38, x_33, x_5, x_7, x_30);
-lean_dec(x_33);
-lean_dec(x_38);
-return x_41;
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_7, 1);
+lean_dec(x_41);
+lean_ctor_set(x_7, 1, x_32);
+x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12(x_39, x_34, x_5, x_7, x_30);
+lean_dec(x_34);
+lean_dec(x_39);
+return x_42;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_7, 0);
-x_43 = lean_ctor_get(x_7, 2);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_7, 0);
+x_44 = lean_ctor_get(x_7, 2);
+lean_inc(x_44);
 lean_inc(x_43);
-lean_inc(x_42);
 lean_dec(x_7);
-x_44 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_31);
-lean_ctor_set(x_44, 2, x_43);
-x_45 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12(x_38, x_33, x_5, x_44, x_30);
-lean_dec(x_33);
-lean_dec(x_38);
-return x_45;
+x_45 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_32);
+lean_ctor_set(x_45, 2, x_44);
+x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__12(x_39, x_34, x_5, x_45, x_30);
+lean_dec(x_34);
+lean_dec(x_39);
+return x_46;
 }
 }
 else
 {
-lean_dec(x_36);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+lean_dec(x_37);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
@@ -16497,9 +16541,9 @@ goto _start;
 }
 else
 {
-lean_object* x_47; 
-x_47 = lean_box(0);
-x_9 = x_47;
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_9 = x_48;
 goto block_21;
 }
 block_21:
@@ -17488,6 +17532,7 @@ lean_inc(x_21);
 lean_dec(x_19);
 x_22 = l_Lean_LocalDecl_type(x_20);
 lean_dec(x_20);
+lean_inc(x_5);
 lean_inc(x_22);
 x_23 = l_Lean_Meta_isClassQuick___main(x_22, x_5, x_21);
 if (lean_obj_tag(x_23) == 0)
@@ -17736,77 +17781,78 @@ lean_object* x_7;
 switch (lean_obj_tag(x_4)) {
 case 6:
 {
-lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_object* x_18; lean_object* x_19; lean_object* x_20; uint64_t x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
 x_18 = lean_ctor_get(x_4, 0);
 lean_inc(x_18);
-x_19 = lean_ctor_get_uint8(x_4, sizeof(void*)*3);
-x_20 = lean_ctor_get(x_4, 1);
+x_19 = lean_ctor_get(x_4, 1);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_4, 2);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_4, 2);
-lean_inc(x_21);
+x_21 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
 lean_dec(x_4);
 x_22 = lean_array_get_size(x_2);
 lean_inc(x_2);
-x_23 = lean_expr_instantiate_rev_range(x_20, x_3, x_22, x_2);
+x_23 = lean_expr_instantiate_rev_range(x_19, x_3, x_22, x_2);
 lean_dec(x_22);
-lean_dec(x_20);
+lean_dec(x_19);
 x_24 = l_Lean_Meta_mkFreshId___rarg(x_6);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
 lean_dec(x_24);
+x_27 = (uint8_t)((x_21 << 24) >> 61);
 lean_inc(x_25);
-x_27 = lean_local_ctx_mk_local_decl(x_1, x_25, x_18, x_23, x_19);
-x_28 = lean_expr_mk_fvar(x_25);
-x_29 = lean_array_push(x_2, x_28);
-x_1 = x_27;
-x_2 = x_29;
-x_4 = x_21;
+x_28 = lean_local_ctx_mk_local_decl(x_1, x_25, x_18, x_23, x_27);
+x_29 = l_Lean_mkFVar(x_25);
+x_30 = lean_array_push(x_2, x_29);
+x_1 = x_28;
+x_2 = x_30;
+x_4 = x_20;
 x_6 = x_26;
 goto _start;
 }
 case 8:
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_31 = lean_ctor_get(x_4, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_4, 1);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_32 = lean_ctor_get(x_4, 0);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_4, 2);
+x_33 = lean_ctor_get(x_4, 1);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_4, 3);
+x_34 = lean_ctor_get(x_4, 2);
 lean_inc(x_34);
+x_35 = lean_ctor_get(x_4, 3);
+lean_inc(x_35);
 lean_dec(x_4);
-x_35 = lean_array_get_size(x_2);
+x_36 = lean_array_get_size(x_2);
 lean_inc(x_2);
-x_36 = lean_expr_instantiate_rev_range(x_32, x_3, x_35, x_2);
-lean_dec(x_32);
-lean_inc(x_2);
-x_37 = lean_expr_instantiate_rev_range(x_33, x_3, x_35, x_2);
-lean_dec(x_35);
+x_37 = lean_expr_instantiate_rev_range(x_33, x_3, x_36, x_2);
 lean_dec(x_33);
-x_38 = l_Lean_Meta_mkFreshId___rarg(x_6);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_2);
+x_38 = lean_expr_instantiate_rev_range(x_34, x_3, x_36, x_2);
+lean_dec(x_36);
+lean_dec(x_34);
+x_39 = l_Lean_Meta_mkFreshId___rarg(x_6);
+x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
-lean_dec(x_38);
-lean_inc(x_39);
-x_41 = lean_local_ctx_mk_let_decl(x_1, x_39, x_31, x_36, x_37);
-x_42 = lean_expr_mk_fvar(x_39);
-x_43 = lean_array_push(x_2, x_42);
-x_1 = x_41;
-x_2 = x_43;
-x_4 = x_34;
-x_6 = x_40;
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+lean_inc(x_40);
+x_42 = lean_local_ctx_mk_let_decl(x_1, x_40, x_32, x_37, x_38);
+x_43 = l_Lean_mkFVar(x_40);
+x_44 = lean_array_push(x_2, x_43);
+x_1 = x_42;
+x_2 = x_44;
+x_4 = x_35;
+x_6 = x_41;
 goto _start;
 }
 default: 
 {
-lean_object* x_45; 
-x_45 = lean_box(0);
-x_7 = x_45;
+lean_object* x_46; 
+x_46 = lean_box(0);
+x_7 = x_46;
 goto block_17;
 }
 }
@@ -18666,7 +18712,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = lean_level_mk_mvar(x_23);
 lean_inc(x_25);
-x_26 = lean_expr_mk_sort(x_25);
+x_26 = l_Lean_mkSort(x_25);
 x_27 = l_Lean_Meta_assignExprMVar(x_17, x_26, x_2, x_24);
 lean_dec(x_2);
 if (lean_obj_tag(x_27) == 0)
@@ -18973,7 +19019,7 @@ lean_inc(x_95);
 lean_dec(x_93);
 x_96 = lean_level_mk_mvar(x_94);
 lean_inc(x_96);
-x_97 = lean_expr_mk_sort(x_96);
+x_97 = l_Lean_mkSort(x_96);
 x_98 = l_Lean_Meta_assignExprMVar(x_88, x_97, x_2, x_95);
 lean_dec(x_2);
 if (lean_obj_tag(x_98) == 0)
@@ -19347,7 +19393,7 @@ lean_object* x_15; lean_object* x_16; lean_object* x_17;
 x_15 = lean_ctor_get(x_13, 0);
 x_16 = l_Lean_Level_normalize___main(x_15);
 lean_dec(x_15);
-x_17 = lean_expr_mk_sort(x_16);
+x_17 = l_Lean_mkSort(x_16);
 lean_ctor_set(x_13, 0, x_17);
 return x_13;
 }
@@ -19361,7 +19407,7 @@ lean_inc(x_18);
 lean_dec(x_13);
 x_20 = l_Lean_Level_normalize___main(x_18);
 lean_dec(x_18);
-x_21 = lean_expr_mk_sort(x_20);
+x_21 = l_Lean_mkSort(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_19);
@@ -19433,6 +19479,7 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = l_Lean_LocalDecl_type(x_34);
 lean_dec(x_34);
+lean_inc(x_6);
 lean_inc(x_36);
 x_37 = l_Lean_Meta_isClassQuick___main(x_36, x_6, x_35);
 if (lean_obj_tag(x_37) == 0)
@@ -19707,7 +19754,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18;
 x_16 = lean_ctor_get(x_14, 0);
 x_17 = l_Lean_Level_normalize___main(x_16);
 lean_dec(x_16);
-x_18 = lean_expr_mk_sort(x_17);
+x_18 = l_Lean_mkSort(x_17);
 lean_ctor_set(x_14, 0, x_18);
 return x_14;
 }
@@ -19721,7 +19768,7 @@ lean_inc(x_19);
 lean_dec(x_14);
 x_21 = l_Lean_Level_normalize___main(x_19);
 lean_dec(x_19);
-x_22 = lean_expr_mk_sort(x_21);
+x_22 = l_Lean_mkSort(x_21);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_20);
@@ -19842,6 +19889,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_11);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_11, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -20124,7 +20172,7 @@ lean_object* x_15; lean_object* x_16; lean_object* x_17;
 x_15 = lean_ctor_get(x_13, 0);
 x_16 = l_Lean_Level_normalize___main(x_15);
 lean_dec(x_15);
-x_17 = lean_expr_mk_sort(x_16);
+x_17 = l_Lean_mkSort(x_16);
 lean_ctor_set(x_13, 0, x_17);
 return x_13;
 }
@@ -20138,7 +20186,7 @@ lean_inc(x_18);
 lean_dec(x_13);
 x_20 = l_Lean_Level_normalize___main(x_18);
 lean_dec(x_18);
-x_21 = lean_expr_mk_sort(x_20);
+x_21 = l_Lean_mkSort(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_19);
@@ -20210,6 +20258,7 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = l_Lean_LocalDecl_type(x_34);
 lean_dec(x_34);
+lean_inc(x_6);
 lean_inc(x_36);
 x_37 = l_Lean_Meta_isClassQuick___main(x_36, x_6, x_35);
 if (lean_obj_tag(x_37) == 0)
@@ -20457,87 +20506,88 @@ _start:
 lean_object* x_9; 
 if (lean_obj_tag(x_6) == 7)
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
 if (lean_obj_tag(x_2) == 0)
 {
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_2, 0);
-lean_inc(x_35);
-x_36 = lean_array_get_size(x_33);
-x_37 = lean_nat_dec_lt(x_36, x_35);
-lean_dec(x_35);
-if (x_37 == 0)
-{
-lean_object* x_38; uint8_t x_39; 
-lean_dec(x_2);
-lean_inc(x_33);
-x_38 = lean_expr_instantiate_rev_range(x_25, x_5, x_36, x_33);
-lean_dec(x_25);
-x_39 = !lean_is_exclusive(x_7);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_7, 1);
-lean_dec(x_40);
-lean_ctor_set(x_7, 1, x_31);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23(x_33, x_36, x_38, x_33, x_5, x_7, x_30);
-lean_dec(x_33);
-return x_41;
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_7, 0);
-x_43 = lean_ctor_get(x_7, 2);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_7);
-x_44 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_31);
-lean_ctor_set(x_44, 2, x_43);
-x_45 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23(x_33, x_36, x_38, x_33, x_5, x_44, x_30);
-lean_dec(x_33);
-return x_45;
-}
-}
-else
-{
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_nat_dec_lt(x_37, x_36);
 lean_dec(x_36);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+if (x_38 == 0)
+{
+lean_object* x_39; uint8_t x_40; 
+lean_dec(x_2);
+lean_inc(x_34);
+x_39 = lean_expr_instantiate_rev_range(x_24, x_5, x_37, x_34);
+lean_dec(x_24);
+x_40 = !lean_is_exclusive(x_7);
+if (x_40 == 0)
+{
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_7, 1);
+lean_dec(x_41);
+lean_ctor_set(x_7, 1, x_32);
+x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23(x_34, x_37, x_39, x_34, x_5, x_7, x_30);
+lean_dec(x_34);
+return x_42;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_7, 0);
+x_44 = lean_ctor_get(x_7, 2);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_7);
+x_45 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_32);
+lean_ctor_set(x_45, 2, x_44);
+x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_isProp___spec__23(x_34, x_37, x_39, x_34, x_5, x_45, x_30);
+lean_dec(x_34);
+return x_46;
+}
+}
+else
+{
+lean_dec(x_37);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
@@ -20545,9 +20595,9 @@ goto _start;
 }
 else
 {
-lean_object* x_47; 
-x_47 = lean_box(0);
-x_9 = x_47;
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_9 = x_48;
 goto block_21;
 }
 block_21:
@@ -20883,7 +20933,7 @@ else
 lean_object* x_28; lean_object* x_29; 
 lean_inc(x_3);
 lean_inc(x_1);
-x_28 = lean_expr_mk_proj(x_1, x_14, x_3);
+x_28 = l_Lean_mkProj(x_1, x_14, x_3);
 x_29 = lean_expr_instantiate1(x_25, x_28);
 lean_dec(x_28);
 lean_dec(x_25);
@@ -21036,7 +21086,7 @@ else
 lean_object* x_63; lean_object* x_64; 
 lean_inc(x_3);
 lean_inc(x_1);
-x_63 = lean_expr_mk_proj(x_1, x_14, x_3);
+x_63 = l_Lean_mkProj(x_1, x_14, x_3);
 x_64 = lean_expr_instantiate1(x_60, x_63);
 lean_dec(x_63);
 lean_dec(x_60);
@@ -21267,13 +21317,13 @@ lean_inc(x_35);
 lean_dec(x_30);
 x_36 = lean_unsigned_to_nat(0u);
 x_37 = l_Lean_Expr_getAppNumArgsAux___main(x_19, x_36);
-x_38 = l_Lean_Expr_inhabited___closed__1;
+x_38 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_37);
 x_39 = lean_mk_array(x_37, x_38);
 x_40 = lean_unsigned_to_nat(1u);
 x_41 = lean_nat_sub(x_37, x_40);
 lean_dec(x_37);
-x_42 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_19, x_39, x_41);
+x_42 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_19, x_39, x_41);
 x_43 = lean_array_get_size(x_42);
 x_44 = lean_nat_dec_eq(x_34, x_43);
 lean_dec(x_43);
@@ -21703,13 +21753,13 @@ lean_inc(x_116);
 lean_dec(x_110);
 x_117 = lean_unsigned_to_nat(0u);
 x_118 = l_Lean_Expr_getAppNumArgsAux___main(x_98, x_117);
-x_119 = l_Lean_Expr_inhabited___closed__1;
+x_119 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_118);
 x_120 = lean_mk_array(x_118, x_119);
 x_121 = lean_unsigned_to_nat(1u);
 x_122 = lean_nat_sub(x_118, x_121);
 lean_dec(x_118);
-x_123 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_98, x_120, x_122);
+x_123 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_98, x_120, x_122);
 x_124 = lean_array_get_size(x_123);
 x_125 = lean_nat_dec_eq(x_115, x_124);
 lean_dec(x_124);
@@ -22203,13 +22253,13 @@ lean_inc(x_209);
 lean_dec(x_203);
 x_210 = lean_unsigned_to_nat(0u);
 x_211 = l_Lean_Expr_getAppNumArgsAux___main(x_190, x_210);
-x_212 = l_Lean_Expr_inhabited___closed__1;
+x_212 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_211);
 x_213 = lean_mk_array(x_211, x_212);
 x_214 = lean_unsigned_to_nat(1u);
 x_215 = lean_nat_sub(x_211, x_214);
 lean_dec(x_211);
-x_216 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_190, x_213, x_215);
+x_216 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_190, x_213, x_215);
 x_217 = lean_array_get_size(x_216);
 x_218 = lean_nat_dec_eq(x_208, x_217);
 lean_dec(x_217);
@@ -22664,7 +22714,7 @@ x_62 = lean_ctor_get(x_1, 0);
 lean_inc(x_62);
 lean_dec(x_1);
 x_63 = lean_level_mk_succ(x_62);
-x_64 = lean_expr_mk_sort(x_63);
+x_64 = l_Lean_mkSort(x_63);
 x_65 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_65, 0, x_64);
 lean_ctor_set(x_65, 1, x_3);
@@ -22691,14 +22741,14 @@ x_70 = l_Lean_Expr_getAppFn___main(x_69);
 lean_dec(x_69);
 x_71 = lean_unsigned_to_nat(0u);
 x_72 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_71);
-x_73 = l_Lean_Expr_inhabited___closed__1;
+x_73 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_72);
 x_74 = lean_mk_array(x_72, x_73);
 x_75 = lean_unsigned_to_nat(1u);
 x_76 = lean_nat_sub(x_72, x_75);
 lean_dec(x_72);
 lean_inc(x_1);
-x_77 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_74, x_76);
+x_77 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_74, x_76);
 x_78 = lean_ctor_get(x_3, 2);
 lean_inc(x_78);
 x_79 = lean_ctor_get(x_78, 0);
@@ -23364,11 +23414,20 @@ lean_ctor_set(x_232, 1, x_3);
 return x_232;
 }
 }
+case 12:
+{
+lean_object* x_233; lean_object* x_234; lean_object* x_235; 
+lean_dec(x_1);
+x_233 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_234 = l_unreachable_x21___rarg(x_233);
+x_235 = lean_apply_2(x_234, x_2, x_3);
+return x_235;
+}
 default: 
 {
-lean_object* x_233; 
-x_233 = lean_box(0);
-x_4 = x_233;
+lean_object* x_236; 
+x_236 = lean_box(0);
+x_4 = x_236;
 goto block_54;
 }
 }
@@ -24136,7 +24195,7 @@ lean_dec(x_3);
 x_11 = lean_nat_sub(x_2, x_10);
 x_12 = lean_nat_sub(x_11, x_9);
 lean_dec(x_11);
-x_13 = l_Lean_Expr_inhabited;
+x_13 = l_Lean_Expr_Inhabited;
 x_14 = lean_array_get(x_13, x_1, x_12);
 lean_dec(x_12);
 x_15 = l_Lean_Expr_fvarId_x21(x_14);
@@ -24343,6 +24402,7 @@ lean_inc(x_31);
 lean_dec(x_29);
 x_32 = l_Lean_LocalDecl_type(x_30);
 lean_dec(x_30);
+lean_inc(x_6);
 lean_inc(x_32);
 x_33 = l_Lean_Meta_isClassQuick___main(x_32, x_6, x_31);
 if (lean_obj_tag(x_33) == 0)
@@ -24721,6 +24781,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_11);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_11, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -25061,6 +25122,7 @@ lean_inc(x_31);
 lean_dec(x_29);
 x_32 = l_Lean_LocalDecl_type(x_30);
 lean_dec(x_30);
+lean_inc(x_6);
 lean_inc(x_32);
 x_33 = l_Lean_Meta_isClassQuick___main(x_32, x_6, x_31);
 if (lean_obj_tag(x_33) == 0)
@@ -25305,89 +25367,90 @@ _start:
 lean_object* x_9; 
 if (lean_obj_tag(x_6) == 7)
 {
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint64_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_22 = lean_ctor_get(x_6, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_6, sizeof(void*)*3);
-x_24 = lean_ctor_get(x_6, 1);
+x_23 = lean_ctor_get(x_6, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_6, 2);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_6, 2);
-lean_inc(x_25);
+x_25 = lean_ctor_get_uint64(x_6, sizeof(void*)*3);
 lean_dec(x_6);
 x_26 = lean_array_get_size(x_4);
 lean_inc(x_4);
-x_27 = lean_expr_instantiate_rev_range(x_24, x_5, x_26, x_4);
+x_27 = lean_expr_instantiate_rev_range(x_23, x_5, x_26, x_4);
 lean_dec(x_26);
-lean_dec(x_24);
+lean_dec(x_23);
 x_28 = l_Lean_Meta_mkFreshId___rarg(x_8);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+x_31 = (uint8_t)((x_25 << 24) >> 61);
 lean_inc(x_29);
-x_31 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_23);
-x_32 = lean_expr_mk_fvar(x_29);
-x_33 = lean_array_push(x_4, x_32);
+x_32 = lean_local_ctx_mk_local_decl(x_3, x_29, x_22, x_27, x_31);
+x_33 = l_Lean_mkFVar(x_29);
+x_34 = lean_array_push(x_4, x_33);
 if (lean_obj_tag(x_2) == 0)
 {
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_2, 0);
-lean_inc(x_35);
-x_36 = lean_array_get_size(x_33);
-x_37 = lean_nat_dec_lt(x_36, x_35);
-lean_dec(x_35);
-if (x_37 == 0)
-{
-lean_object* x_38; uint8_t x_39; 
-lean_dec(x_2);
-lean_inc(x_33);
-x_38 = lean_expr_instantiate_rev_range(x_25, x_5, x_36, x_33);
-lean_dec(x_25);
-x_39 = !lean_is_exclusive(x_7);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_7, 1);
-lean_dec(x_40);
-lean_ctor_set(x_7, 1, x_31);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__8(x_33, x_36, x_38, x_33, x_5, x_7, x_30);
-lean_dec(x_38);
-lean_dec(x_33);
-return x_41;
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_7, 0);
-x_43 = lean_ctor_get(x_7, 2);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_7);
-x_44 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_31);
-lean_ctor_set(x_44, 2, x_43);
-x_45 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__8(x_33, x_36, x_38, x_33, x_5, x_44, x_30);
-lean_dec(x_38);
-lean_dec(x_33);
-return x_45;
-}
-}
-else
-{
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_nat_dec_lt(x_37, x_36);
 lean_dec(x_36);
-x_3 = x_31;
-x_4 = x_33;
-x_6 = x_25;
+if (x_38 == 0)
+{
+lean_object* x_39; uint8_t x_40; 
+lean_dec(x_2);
+lean_inc(x_34);
+x_39 = lean_expr_instantiate_rev_range(x_24, x_5, x_37, x_34);
+lean_dec(x_24);
+x_40 = !lean_is_exclusive(x_7);
+if (x_40 == 0)
+{
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_7, 1);
+lean_dec(x_41);
+lean_ctor_set(x_7, 1, x_32);
+x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__8(x_34, x_37, x_39, x_34, x_5, x_7, x_30);
+lean_dec(x_39);
+lean_dec(x_34);
+return x_42;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_7, 0);
+x_44 = lean_ctor_get(x_7, 2);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_7);
+x_45 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_32);
+lean_ctor_set(x_45, 2, x_44);
+x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_getFunInfo___spec__8(x_34, x_37, x_39, x_34, x_5, x_45, x_30);
+lean_dec(x_39);
+lean_dec(x_34);
+return x_46;
+}
+}
+else
+{
+lean_dec(x_37);
+x_3 = x_32;
+x_4 = x_34;
+x_6 = x_24;
 x_8 = x_30;
 goto _start;
 }
@@ -25395,9 +25458,9 @@ goto _start;
 }
 else
 {
-lean_object* x_47; 
-x_47 = lean_box(0);
-x_9 = x_47;
+lean_object* x_48; 
+x_48 = lean_box(0);
+x_9 = x_48;
 goto block_21;
 }
 block_21:
diff --git a/stage0/library/Init/Lean/Meta/ExprDefEq.c b/stage0/library/Init/Lean/Meta/ExprDefEq.c
index 5a05df239e..edf7ca9228 100644
--- a/stage0/library/Init/Lean/Meta/ExprDefEq.c
+++ b/stage0/library/Init/Lean/Meta/ExprDefEq.c
@@ -17,7 +17,7 @@ lean_object* l_Lean_Meta_inferTypeAuxAux___main(lean_object*, lean_object*, lean
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_6__isDefEqBinding(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Meta_CheckAssignment_checkFVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__12;
-uint8_t lean_expr_has_fvar(lean_object*);
+uint8_t l_Lean_Expr_hasFVar(lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_4__isDefEqArgs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_checkMVar(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -31,17 +31,18 @@ lean_object* l_Lean_Meta_CheckAssignment_cache(lean_object*, lean_object*, lean_
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateMData_x21___closed__2;
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_Lean_MonadCache___closed__2;
+lean_object* l_monadInhabited___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_mkAuxMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_AssocList_replace___main___at_Lean_Meta_CheckAssignment_cache___spec__6(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_13__simpAssignmentArg(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__3;
 lean_object* l_HashMapImp_insert___at_Lean_Meta_CheckAssignment_cache___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Trace_3__addTrace___at___private_Init_Lean_Meta_LevelDefEq_7__isLevelDefEqAux___main___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_3__isDefEqArgsAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__22;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_12__simpAssignmentArgAux___main(lean_object*, lean_object*, lean_object*);
@@ -55,6 +56,7 @@ lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 uint8_t l_Lean_LocalContext_contains(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__20;
 lean_object* l_mkHashMap___at_Lean_Meta_checkAssignment___spec__2(lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_15__processAssignment(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_contains___at_Lean_Meta_CheckAssignment_checkFVar___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__5;
@@ -63,16 +65,15 @@ lean_object* l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox(lean_object
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_2__isDefEqArgsFirstPass(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_get_expr_assignment(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_6__isDefEqBinding___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_CheckAssignment_check___main___closed__1;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_moveEntries___main___at_Lean_Meta_CheckAssignment_cache___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_usingDefault(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_11__processAssignmentFOApprox___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Id_Monad;
 lean_object* l_AssocList_foldlM___main___at_Lean_Meta_CheckAssignment_cache___spec__5(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__17;
-lean_object* l___private_Init_Lean_Expr_10__etaExpandedAux___main(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__13;
 lean_object* lean_expr_update_forall(lean_object*, uint8_t, lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_containsFVar(lean_object*, lean_object*);
@@ -98,6 +99,7 @@ lean_object* l_Lean_Meta_isTypeCorrect___rarg(lean_object*);
 lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___closed__5;
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_find___at_Lean_Meta_CheckAssignment_findCached___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_simpleMonadTracerAdapter___rarg(lean_object*, lean_object*);
@@ -107,6 +109,7 @@ uint8_t l_AssocList_contains___main___at_Lean_Meta_CheckAssignment_cache___spec_
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___lambda__1(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_11__processAssignmentFOApprox(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__21;
 lean_object* l_Lean_Meta_CheckAssignment_getMCtx___boxed(lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_check___main(lean_object*, lean_object*, lean_object*);
@@ -117,6 +120,7 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateApp_x21___closed__1;
 lean_object* lean_metavar_ctx_assign_expr(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkLambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshId___rarg(lean_object*);
@@ -144,18 +148,15 @@ lean_object* l___private_Init_Lean_Meta_ExprDefEq_10__processAssignmentFOApproxA
 lean_object* l_HashMapImp_expand___at_Lean_Meta_CheckAssignment_cache___spec__3(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_MessageData_coeOfArrayExpr___spec__1(lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l_Lean_Meta_isClass(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_findCached___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_AssocList_find___main___at_Lean_Meta_CheckAssignment_findCached___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___closed__6;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_12__simpAssignmentArgAux(lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_mvar(lean_object*);
 lean_object* l_Lean_Meta_isTypeCorrect___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__1;
 lean_object* lean_expr_update_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
-lean_object* lean_expr_mk_bvar(lean_object*);
 lean_object* l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Trace_5__checkTraceOption___at___private_Init_Lean_Meta_LevelDefEq_7__isLevelDefEqAux___main___spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at_Lean_Meta_CheckAssignment_checkFVar___spec__1(lean_object*, lean_object*);
@@ -163,6 +164,7 @@ lean_object* l___private_Init_Lean_Meta_ExprDefEq_3__isDefEqArgsAux___main___box
 lean_object* l_panic(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__18;
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_2__isDefEqArgsFirstPass___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
 lean_object* l_Lean_LocalDecl_value_x3f(lean_object*);
@@ -186,31 +188,30 @@ lean_object* l_mkHashMapImp___rarg(lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___closed__7;
 lean_object* l_Lean_Meta_CheckAssignment_findCached(lean_object*, lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_find_decl(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Lean_Meta_CheckAssignment_Lean_MonadCache___closed__3;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__9;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___closed__3;
 lean_object* l_Lean_Meta_isDefEqBindingDomain___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateLambdaE_x21___closed__1;
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* lean_metavar_ctx_mk_decl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__19;
-lean_object* lean_expr_mk_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___closed__2;
 lean_object* l_Lean_Meta_CheckAssignment_getMCtx(lean_object*);
 lean_object* l_HashMapImp_find___at_Lean_Meta_CheckAssignment_findCached___spec__1(lean_object*, lean_object*);
 lean_object* l_ReaderT_pure___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main___lambda__1___boxed(lean_object*, lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
+uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__14;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Trace_3__addTrace___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_CheckAssignment_check(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_4__isDefEqArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Meta_getMVarDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_14__processAssignmentAux___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateProj_x21___closed__2;
 extern lean_object* l_Lean_Expr_updateForallE_x21___closed__1;
 uint8_t l_Lean_Meta_TransparencyMode_lt(uint8_t, uint8_t);
@@ -220,23 +221,26 @@ lean_object* lean_nat_mul(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isDefEqBindingDomain___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__16;
 lean_object* l_Lean_Meta_CheckAssignment_cache___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_9__etaExpandedAux___main(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1;
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_7__visit(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_2__isDefEqArgsFirstPass___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_Lean_MetavarContext_isWellFormed___main(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MetavarContext_isWellFormed___main(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkBVar(lean_object*);
 lean_object* l_Lean_Meta_isDefEqBindingDomain___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__4;
 lean_object* l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__15;
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_let(lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 lean_object* _init_l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = lean_unsigned_to_nat(0u);
-x_2 = lean_expr_mk_bvar(x_1);
+x_2 = l_Lean_mkBVar(x_1);
 return x_2;
 }
 }
@@ -304,775 +308,777 @@ x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
 if (lean_obj_tag(x_23) == 7)
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint64_t x_28; uint8_t x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
 x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
 lean_dec(x_22);
 x_25 = lean_ctor_get(x_23, 0);
 lean_inc(x_25);
-x_26 = lean_ctor_get_uint8(x_23, sizeof(void*)*3);
-x_27 = lean_ctor_get(x_23, 1);
+x_26 = lean_ctor_get(x_23, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_23, 2);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_23, 2);
-lean_inc(x_28);
+x_28 = lean_ctor_get_uint64(x_23, sizeof(void*)*3);
 lean_dec(x_23);
-x_29 = l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1;
-x_30 = lean_expr_mk_app(x_28, x_29);
-x_31 = lean_expr_mk_lambda(x_25, x_26, x_27, x_30);
-x_32 = !lean_is_exclusive(x_24);
-if (x_32 == 0)
+x_29 = (uint8_t)((x_28 << 24) >> 61);
+x_30 = l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1;
+x_31 = l_Lean_mkApp(x_27, x_30);
+x_32 = l_Lean_mkLambda(x_25, x_29, x_26, x_31);
+x_33 = !lean_is_exclusive(x_24);
+if (x_33 == 0)
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_45; 
-x_33 = lean_ctor_get(x_24, 0);
-x_34 = lean_ctor_get(x_24, 1);
-x_35 = lean_ctor_get(x_24, 5);
-x_36 = l_PersistentArray_empty___closed__3;
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_46; 
+x_34 = lean_ctor_get(x_24, 0);
+x_35 = lean_ctor_get(x_24, 1);
+x_36 = lean_ctor_get(x_24, 5);
+x_37 = l_PersistentArray_empty___closed__3;
+lean_inc(x_35);
 lean_inc(x_34);
-lean_inc(x_33);
-lean_ctor_set(x_24, 5, x_36);
+lean_ctor_set(x_24, 5, x_37);
 lean_inc(x_5);
-x_45 = lean_apply_4(x_2, x_3, x_31, x_5, x_24);
-if (lean_obj_tag(x_45) == 0)
+x_46 = lean_apply_4(x_2, x_3, x_32, x_5, x_24);
+if (lean_obj_tag(x_46) == 0)
 {
-lean_object* x_46; uint8_t x_47; 
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_unbox(x_46);
-if (x_47 == 0)
+lean_object* x_47; uint8_t x_48; 
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+x_48 = lean_unbox(x_47);
+if (x_48 == 0)
 {
-lean_object* x_48; lean_object* x_49; uint8_t x_50; 
-x_48 = lean_ctor_get(x_45, 1);
-lean_inc(x_48);
-lean_dec(x_45);
-x_49 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_33, x_34, x_35, x_5, x_48);
-lean_dec(x_5);
-x_50 = !lean_is_exclusive(x_49);
-if (x_50 == 0)
-{
-lean_object* x_51; 
-x_51 = lean_ctor_get(x_49, 0);
-lean_dec(x_51);
-lean_ctor_set(x_49, 0, x_46);
-return x_49;
-}
-else
-{
-lean_object* x_52; lean_object* x_53; 
-x_52 = lean_ctor_get(x_49, 1);
-lean_inc(x_52);
-lean_dec(x_49);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_46);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
-}
-}
-else
-{
-lean_object* x_54; uint8_t x_55; lean_object* x_56; 
+lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+x_49 = lean_ctor_get(x_46, 1);
+lean_inc(x_49);
 lean_dec(x_46);
-x_54 = lean_ctor_get(x_45, 1);
-lean_inc(x_54);
-lean_dec(x_45);
-x_55 = 0;
-x_56 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_55, x_5, x_54);
-if (lean_obj_tag(x_56) == 0)
-{
-lean_object* x_57; uint8_t x_58; 
-x_57 = lean_ctor_get(x_56, 0);
-lean_inc(x_57);
-x_58 = lean_unbox(x_57);
-if (x_58 == 0)
-{
-lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-x_59 = lean_ctor_get(x_56, 1);
-lean_inc(x_59);
-lean_dec(x_56);
-x_60 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_33, x_34, x_35, x_5, x_59);
+x_50 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_34, x_35, x_36, x_5, x_49);
 lean_dec(x_5);
-x_61 = !lean_is_exclusive(x_60);
-if (x_61 == 0)
+x_51 = !lean_is_exclusive(x_50);
+if (x_51 == 0)
 {
-lean_object* x_62; 
-x_62 = lean_ctor_get(x_60, 0);
-lean_dec(x_62);
-lean_ctor_set(x_60, 0, x_57);
-return x_60;
+lean_object* x_52; 
+x_52 = lean_ctor_get(x_50, 0);
+lean_dec(x_52);
+lean_ctor_set(x_50, 0, x_47);
+return x_50;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-x_63 = lean_ctor_get(x_60, 1);
-lean_inc(x_63);
-lean_dec(x_60);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_57);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+lean_object* x_53; lean_object* x_54; 
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_47);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
 }
 }
 else
 {
-uint8_t x_65; 
+lean_object* x_55; uint8_t x_56; lean_object* x_57; 
+lean_dec(x_47);
+x_55 = lean_ctor_get(x_46, 1);
+lean_inc(x_55);
+lean_dec(x_46);
+x_56 = 0;
+x_57 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_56, x_5, x_55);
+if (lean_obj_tag(x_57) == 0)
+{
+lean_object* x_58; uint8_t x_59; 
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_unbox(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_60 = lean_ctor_get(x_57, 1);
+lean_inc(x_60);
+lean_dec(x_57);
+x_61 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_34, x_35, x_36, x_5, x_60);
+lean_dec(x_5);
+x_62 = !lean_is_exclusive(x_61);
+if (x_62 == 0)
+{
+lean_object* x_63; 
+x_63 = lean_ctor_get(x_61, 0);
+lean_dec(x_63);
+lean_ctor_set(x_61, 0, x_58);
+return x_61;
+}
+else
+{
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_ctor_get(x_61, 1);
+lean_inc(x_64);
+lean_dec(x_61);
+x_65 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_65, 0, x_58);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
+}
+else
+{
+uint8_t x_66; 
+lean_dec(x_36);
 lean_dec(x_35);
 lean_dec(x_34);
-lean_dec(x_33);
 lean_dec(x_5);
-x_65 = !lean_is_exclusive(x_56);
-if (x_65 == 0)
+x_66 = !lean_is_exclusive(x_57);
+if (x_66 == 0)
 {
-lean_object* x_66; 
-x_66 = lean_ctor_get(x_56, 0);
-lean_dec(x_66);
-return x_56;
+lean_object* x_67; 
+x_67 = lean_ctor_get(x_57, 0);
+lean_dec(x_67);
+return x_57;
 }
 else
 {
-lean_object* x_67; lean_object* x_68; 
-x_67 = lean_ctor_get(x_56, 1);
-lean_inc(x_67);
-lean_dec(x_56);
-x_68 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_68, 0, x_57);
-lean_ctor_set(x_68, 1, x_67);
-return x_68;
+lean_object* x_68; lean_object* x_69; 
+x_68 = lean_ctor_get(x_57, 1);
+lean_inc(x_68);
+lean_dec(x_57);
+x_69 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_69, 0, x_58);
+lean_ctor_set(x_69, 1, x_68);
+return x_69;
 }
 }
 }
 else
 {
-lean_object* x_69; lean_object* x_70; 
-x_69 = lean_ctor_get(x_56, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_56, 1);
+lean_object* x_70; lean_object* x_71; 
+x_70 = lean_ctor_get(x_57, 0);
 lean_inc(x_70);
-lean_dec(x_56);
-x_37 = x_69;
-x_38 = x_70;
-goto block_44;
-}
-}
-}
-else
-{
-lean_object* x_71; lean_object* x_72; 
-x_71 = lean_ctor_get(x_45, 0);
+x_71 = lean_ctor_get(x_57, 1);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_45, 1);
+lean_dec(x_57);
+x_38 = x_70;
+x_39 = x_71;
+goto block_45;
+}
+}
+}
+else
+{
+lean_object* x_72; lean_object* x_73; 
+x_72 = lean_ctor_get(x_46, 0);
 lean_inc(x_72);
-lean_dec(x_45);
-x_37 = x_71;
+x_73 = lean_ctor_get(x_46, 1);
+lean_inc(x_73);
+lean_dec(x_46);
 x_38 = x_72;
-goto block_44;
+x_39 = x_73;
+goto block_45;
 }
-block_44:
+block_45:
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_33, x_34, x_35, x_5, x_38);
+lean_object* x_40; uint8_t x_41; 
+x_40 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_34, x_35, x_36, x_5, x_39);
 lean_dec(x_5);
-x_40 = !lean_is_exclusive(x_39);
-if (x_40 == 0)
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_41; 
-x_41 = lean_ctor_get(x_39, 0);
-lean_dec(x_41);
-lean_ctor_set_tag(x_39, 1);
-lean_ctor_set(x_39, 0, x_37);
-return x_39;
+lean_object* x_42; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+lean_ctor_set_tag(x_40, 1);
+lean_ctor_set(x_40, 0, x_38);
+return x_40;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; 
-x_42 = lean_ctor_get(x_39, 1);
-lean_inc(x_42);
-lean_dec(x_39);
-x_43 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_43, 0, x_37);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_40, 1);
+lean_inc(x_43);
+lean_dec(x_40);
+x_44 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_44, 0, x_38);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
 }
 }
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_88; 
-x_73 = lean_ctor_get(x_24, 0);
-x_74 = lean_ctor_get(x_24, 1);
-x_75 = lean_ctor_get(x_24, 2);
-x_76 = lean_ctor_get(x_24, 3);
-x_77 = lean_ctor_get(x_24, 4);
-x_78 = lean_ctor_get(x_24, 5);
+lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_89; 
+x_74 = lean_ctor_get(x_24, 0);
+x_75 = lean_ctor_get(x_24, 1);
+x_76 = lean_ctor_get(x_24, 2);
+x_77 = lean_ctor_get(x_24, 3);
+x_78 = lean_ctor_get(x_24, 4);
+x_79 = lean_ctor_get(x_24, 5);
+lean_inc(x_79);
 lean_inc(x_78);
 lean_inc(x_77);
 lean_inc(x_76);
 lean_inc(x_75);
 lean_inc(x_74);
-lean_inc(x_73);
 lean_dec(x_24);
-x_79 = l_PersistentArray_empty___closed__3;
+x_80 = l_PersistentArray_empty___closed__3;
+lean_inc(x_75);
 lean_inc(x_74);
-lean_inc(x_73);
-x_80 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_80, 0, x_73);
-lean_ctor_set(x_80, 1, x_74);
-lean_ctor_set(x_80, 2, x_75);
-lean_ctor_set(x_80, 3, x_76);
-lean_ctor_set(x_80, 4, x_77);
-lean_ctor_set(x_80, 5, x_79);
+x_81 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_81, 0, x_74);
+lean_ctor_set(x_81, 1, x_75);
+lean_ctor_set(x_81, 2, x_76);
+lean_ctor_set(x_81, 3, x_77);
+lean_ctor_set(x_81, 4, x_78);
+lean_ctor_set(x_81, 5, x_80);
 lean_inc(x_5);
-x_88 = lean_apply_4(x_2, x_3, x_31, x_5, x_80);
-if (lean_obj_tag(x_88) == 0)
+x_89 = lean_apply_4(x_2, x_3, x_32, x_5, x_81);
+if (lean_obj_tag(x_89) == 0)
 {
-lean_object* x_89; uint8_t x_90; 
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_unbox(x_89);
-if (x_90 == 0)
+lean_object* x_90; uint8_t x_91; 
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_unbox(x_90);
+if (x_91 == 0)
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_91 = lean_ctor_get(x_88, 1);
-lean_inc(x_91);
-lean_dec(x_88);
-x_92 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_73, x_74, x_78, x_5, x_91);
-lean_dec(x_5);
-x_93 = lean_ctor_get(x_92, 1);
-lean_inc(x_93);
-if (lean_is_exclusive(x_92)) {
- lean_ctor_release(x_92, 0);
- lean_ctor_release(x_92, 1);
- x_94 = x_92;
-} else {
- lean_dec_ref(x_92);
- x_94 = lean_box(0);
-}
-if (lean_is_scalar(x_94)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_94;
-}
-lean_ctor_set(x_95, 0, x_89);
-lean_ctor_set(x_95, 1, x_93);
-return x_95;
-}
-else
-{
-lean_object* x_96; uint8_t x_97; lean_object* x_98; 
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_92 = lean_ctor_get(x_89, 1);
+lean_inc(x_92);
 lean_dec(x_89);
-x_96 = lean_ctor_get(x_88, 1);
-lean_inc(x_96);
-lean_dec(x_88);
-x_97 = 0;
-x_98 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_97, x_5, x_96);
-if (lean_obj_tag(x_98) == 0)
-{
-lean_object* x_99; uint8_t x_100; 
-x_99 = lean_ctor_get(x_98, 0);
-lean_inc(x_99);
-x_100 = lean_unbox(x_99);
-if (x_100 == 0)
-{
-lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-x_101 = lean_ctor_get(x_98, 1);
-lean_inc(x_101);
-lean_dec(x_98);
-x_102 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_73, x_74, x_78, x_5, x_101);
+x_93 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_74, x_75, x_79, x_5, x_92);
 lean_dec(x_5);
-x_103 = lean_ctor_get(x_102, 1);
-lean_inc(x_103);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_104 = x_102;
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+if (lean_is_exclusive(x_93)) {
+ lean_ctor_release(x_93, 0);
+ lean_ctor_release(x_93, 1);
+ x_95 = x_93;
 } else {
- lean_dec_ref(x_102);
- x_104 = lean_box(0);
+ lean_dec_ref(x_93);
+ x_95 = lean_box(0);
 }
-if (lean_is_scalar(x_104)) {
- x_105 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_95)) {
+ x_96 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_105 = x_104;
+ x_96 = x_95;
 }
-lean_ctor_set(x_105, 0, x_99);
-lean_ctor_set(x_105, 1, x_103);
-return x_105;
+lean_ctor_set(x_96, 0, x_90);
+lean_ctor_set(x_96, 1, x_94);
+return x_96;
 }
 else
 {
-lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-lean_dec(x_78);
+lean_object* x_97; uint8_t x_98; lean_object* x_99; 
+lean_dec(x_90);
+x_97 = lean_ctor_get(x_89, 1);
+lean_inc(x_97);
+lean_dec(x_89);
+x_98 = 0;
+x_99 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_98, x_5, x_97);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_74, x_75, x_79, x_5, x_102);
+lean_dec(x_5);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+if (lean_is_scalar(x_105)) {
+ x_106 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_106 = x_105;
+}
+lean_ctor_set(x_106, 0, x_100);
+lean_ctor_set(x_106, 1, x_104);
+return x_106;
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+lean_dec(x_79);
+lean_dec(x_75);
 lean_dec(x_74);
-lean_dec(x_73);
 lean_dec(x_5);
-x_106 = lean_ctor_get(x_98, 1);
-lean_inc(x_106);
-if (lean_is_exclusive(x_98)) {
- lean_ctor_release(x_98, 0);
- lean_ctor_release(x_98, 1);
- x_107 = x_98;
+x_107 = lean_ctor_get(x_99, 1);
+lean_inc(x_107);
+if (lean_is_exclusive(x_99)) {
+ lean_ctor_release(x_99, 0);
+ lean_ctor_release(x_99, 1);
+ x_108 = x_99;
 } else {
- lean_dec_ref(x_98);
- x_107 = lean_box(0);
+ lean_dec_ref(x_99);
+ x_108 = lean_box(0);
 }
-if (lean_is_scalar(x_107)) {
- x_108 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_108)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_108 = x_107;
+ x_109 = x_108;
 }
-lean_ctor_set(x_108, 0, x_99);
-lean_ctor_set(x_108, 1, x_106);
-return x_108;
+lean_ctor_set(x_109, 0, x_100);
+lean_ctor_set(x_109, 1, x_107);
+return x_109;
 }
 }
 else
 {
-lean_object* x_109; lean_object* x_110; 
-x_109 = lean_ctor_get(x_98, 0);
-lean_inc(x_109);
-x_110 = lean_ctor_get(x_98, 1);
+lean_object* x_110; lean_object* x_111; 
+x_110 = lean_ctor_get(x_99, 0);
 lean_inc(x_110);
-lean_dec(x_98);
-x_81 = x_109;
-x_82 = x_110;
-goto block_87;
-}
-}
-}
-else
-{
-lean_object* x_111; lean_object* x_112; 
-x_111 = lean_ctor_get(x_88, 0);
+x_111 = lean_ctor_get(x_99, 1);
 lean_inc(x_111);
-x_112 = lean_ctor_get(x_88, 1);
-lean_inc(x_112);
-lean_dec(x_88);
-x_81 = x_111;
-x_82 = x_112;
-goto block_87;
-}
-block_87:
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_83 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_73, x_74, x_78, x_5, x_82);
-lean_dec(x_5);
-x_84 = lean_ctor_get(x_83, 1);
-lean_inc(x_84);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_85 = x_83;
-} else {
- lean_dec_ref(x_83);
- x_85 = lean_box(0);
-}
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_86 = x_85;
- lean_ctor_set_tag(x_86, 1);
-}
-lean_ctor_set(x_86, 0, x_81);
-lean_ctor_set(x_86, 1, x_84);
-return x_86;
+lean_dec(x_99);
+x_82 = x_110;
+x_83 = x_111;
+goto block_88;
 }
 }
 }
 else
 {
-uint8_t x_113; 
+lean_object* x_112; lean_object* x_113; 
+x_112 = lean_ctor_get(x_89, 0);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_89, 1);
+lean_inc(x_113);
+lean_dec(x_89);
+x_82 = x_112;
+x_83 = x_113;
+goto block_88;
+}
+block_88:
+{
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_84 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_74, x_75, x_79, x_5, x_83);
+lean_dec(x_5);
+x_85 = lean_ctor_get(x_84, 1);
+lean_inc(x_85);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_86 = x_84;
+} else {
+ lean_dec_ref(x_84);
+ x_86 = lean_box(0);
+}
+if (lean_is_scalar(x_86)) {
+ x_87 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_87 = x_86;
+ lean_ctor_set_tag(x_87, 1);
+}
+lean_ctor_set(x_87, 0, x_82);
+lean_ctor_set(x_87, 1, x_85);
+return x_87;
+}
+}
+}
+else
+{
+uint8_t x_114; 
 lean_dec(x_23);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_113 = !lean_is_exclusive(x_22);
-if (x_113 == 0)
+x_114 = !lean_is_exclusive(x_22);
+if (x_114 == 0)
 {
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_22, 0);
-lean_dec(x_114);
-x_115 = 0;
-x_116 = lean_box(x_115);
-lean_ctor_set(x_22, 0, x_116);
+lean_object* x_115; uint8_t x_116; lean_object* x_117; 
+x_115 = lean_ctor_get(x_22, 0);
+lean_dec(x_115);
+x_116 = 0;
+x_117 = lean_box(x_116);
+lean_ctor_set(x_22, 0, x_117);
 return x_22;
 }
 else
 {
-lean_object* x_117; uint8_t x_118; lean_object* x_119; lean_object* x_120; 
-x_117 = lean_ctor_get(x_22, 1);
-lean_inc(x_117);
+lean_object* x_118; uint8_t x_119; lean_object* x_120; lean_object* x_121; 
+x_118 = lean_ctor_get(x_22, 1);
+lean_inc(x_118);
 lean_dec(x_22);
-x_118 = 0;
-x_119 = lean_box(x_118);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_119);
-lean_ctor_set(x_120, 1, x_117);
-return x_120;
+x_119 = 0;
+x_120 = lean_box(x_119);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_120);
+lean_ctor_set(x_121, 1, x_118);
+return x_121;
 }
 }
 }
 else
 {
-uint8_t x_121; 
+uint8_t x_122; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_121 = !lean_is_exclusive(x_22);
-if (x_121 == 0)
+x_122 = !lean_is_exclusive(x_22);
+if (x_122 == 0)
 {
 return x_22;
 }
 else
 {
-lean_object* x_122; lean_object* x_123; lean_object* x_124; 
-x_122 = lean_ctor_get(x_22, 0);
-x_123 = lean_ctor_get(x_22, 1);
+lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+x_123 = lean_ctor_get(x_22, 0);
+x_124 = lean_ctor_get(x_22, 1);
+lean_inc(x_124);
 lean_inc(x_123);
-lean_inc(x_122);
 lean_dec(x_22);
-x_124 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_124, 0, x_122);
-lean_ctor_set(x_124, 1, x_123);
-return x_124;
+x_125 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_125, 0, x_123);
+lean_ctor_set(x_125, 1, x_124);
+return x_125;
 }
 }
 }
 else
 {
-lean_object* x_125; uint8_t x_126; uint8_t x_127; uint8_t x_128; uint8_t x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
-x_125 = lean_ctor_get(x_14, 0);
-x_126 = lean_ctor_get_uint8(x_14, sizeof(void*)*1);
-x_127 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 1);
-x_128 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 2);
-x_129 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 3);
-lean_inc(x_125);
+lean_object* x_126; uint8_t x_127; uint8_t x_128; uint8_t x_129; uint8_t x_130; uint8_t x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+x_126 = lean_ctor_get(x_14, 0);
+x_127 = lean_ctor_get_uint8(x_14, sizeof(void*)*1);
+x_128 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 1);
+x_129 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 2);
+x_130 = lean_ctor_get_uint8(x_14, sizeof(void*)*1 + 3);
+lean_inc(x_126);
 lean_dec(x_14);
-x_130 = 1;
-x_131 = lean_alloc_ctor(0, 1, 5);
-lean_ctor_set(x_131, 0, x_125);
-lean_ctor_set_uint8(x_131, sizeof(void*)*1, x_126);
-lean_ctor_set_uint8(x_131, sizeof(void*)*1 + 1, x_127);
-lean_ctor_set_uint8(x_131, sizeof(void*)*1 + 2, x_128);
-lean_ctor_set_uint8(x_131, sizeof(void*)*1 + 3, x_129);
-lean_ctor_set_uint8(x_131, sizeof(void*)*1 + 4, x_130);
-x_132 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_132, 0, x_131);
-lean_ctor_set(x_132, 1, x_17);
-lean_ctor_set(x_132, 2, x_18);
-x_133 = lean_apply_3(x_1, x_15, x_132, x_16);
-if (lean_obj_tag(x_133) == 0)
+x_131 = 1;
+x_132 = lean_alloc_ctor(0, 1, 5);
+lean_ctor_set(x_132, 0, x_126);
+lean_ctor_set_uint8(x_132, sizeof(void*)*1, x_127);
+lean_ctor_set_uint8(x_132, sizeof(void*)*1 + 1, x_128);
+lean_ctor_set_uint8(x_132, sizeof(void*)*1 + 2, x_129);
+lean_ctor_set_uint8(x_132, sizeof(void*)*1 + 3, x_130);
+lean_ctor_set_uint8(x_132, sizeof(void*)*1 + 4, x_131);
+x_133 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_133, 0, x_132);
+lean_ctor_set(x_133, 1, x_17);
+lean_ctor_set(x_133, 2, x_18);
+x_134 = lean_apply_3(x_1, x_15, x_133, x_16);
+if (lean_obj_tag(x_134) == 0)
 {
-lean_object* x_134; 
-x_134 = lean_ctor_get(x_133, 0);
-lean_inc(x_134);
-if (lean_obj_tag(x_134) == 7)
-{
-lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
-x_135 = lean_ctor_get(x_133, 1);
+lean_object* x_135; 
+x_135 = lean_ctor_get(x_134, 0);
 lean_inc(x_135);
-lean_dec(x_133);
-x_136 = lean_ctor_get(x_134, 0);
+if (lean_obj_tag(x_135) == 7)
+{
+lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; uint64_t x_140; uint8_t x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_161; 
+x_136 = lean_ctor_get(x_134, 1);
 lean_inc(x_136);
-x_137 = lean_ctor_get_uint8(x_134, sizeof(void*)*3);
-x_138 = lean_ctor_get(x_134, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_134, 2);
-lean_inc(x_139);
 lean_dec(x_134);
-x_140 = l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1;
-x_141 = lean_expr_mk_app(x_139, x_140);
-x_142 = lean_expr_mk_lambda(x_136, x_137, x_138, x_141);
-x_143 = lean_ctor_get(x_135, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_135, 1);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_135, 2);
+x_137 = lean_ctor_get(x_135, 0);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_135, 1);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_135, 2);
+lean_inc(x_139);
+x_140 = lean_ctor_get_uint64(x_135, sizeof(void*)*3);
+lean_dec(x_135);
+x_141 = (uint8_t)((x_140 << 24) >> 61);
+x_142 = l___private_Init_Lean_Meta_ExprDefEq_1__isDefEqEta___closed__1;
+x_143 = l_Lean_mkApp(x_139, x_142);
+x_144 = l_Lean_mkLambda(x_137, x_141, x_138, x_143);
+x_145 = lean_ctor_get(x_136, 0);
 lean_inc(x_145);
-x_146 = lean_ctor_get(x_135, 3);
+x_146 = lean_ctor_get(x_136, 1);
 lean_inc(x_146);
-x_147 = lean_ctor_get(x_135, 4);
+x_147 = lean_ctor_get(x_136, 2);
 lean_inc(x_147);
-x_148 = lean_ctor_get(x_135, 5);
+x_148 = lean_ctor_get(x_136, 3);
 lean_inc(x_148);
-if (lean_is_exclusive(x_135)) {
- lean_ctor_release(x_135, 0);
- lean_ctor_release(x_135, 1);
- lean_ctor_release(x_135, 2);
- lean_ctor_release(x_135, 3);
- lean_ctor_release(x_135, 4);
- lean_ctor_release(x_135, 5);
- x_149 = x_135;
+x_149 = lean_ctor_get(x_136, 4);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_136, 5);
+lean_inc(x_150);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ lean_ctor_release(x_136, 2);
+ lean_ctor_release(x_136, 3);
+ lean_ctor_release(x_136, 4);
+ lean_ctor_release(x_136, 5);
+ x_151 = x_136;
 } else {
- lean_dec_ref(x_135);
- x_149 = lean_box(0);
+ lean_dec_ref(x_136);
+ x_151 = lean_box(0);
 }
-x_150 = l_PersistentArray_empty___closed__3;
-lean_inc(x_144);
-lean_inc(x_143);
-if (lean_is_scalar(x_149)) {
- x_151 = lean_alloc_ctor(0, 6, 0);
+x_152 = l_PersistentArray_empty___closed__3;
+lean_inc(x_146);
+lean_inc(x_145);
+if (lean_is_scalar(x_151)) {
+ x_153 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_151 = x_149;
+ x_153 = x_151;
 }
-lean_ctor_set(x_151, 0, x_143);
-lean_ctor_set(x_151, 1, x_144);
-lean_ctor_set(x_151, 2, x_145);
-lean_ctor_set(x_151, 3, x_146);
-lean_ctor_set(x_151, 4, x_147);
-lean_ctor_set(x_151, 5, x_150);
+lean_ctor_set(x_153, 0, x_145);
+lean_ctor_set(x_153, 1, x_146);
+lean_ctor_set(x_153, 2, x_147);
+lean_ctor_set(x_153, 3, x_148);
+lean_ctor_set(x_153, 4, x_149);
+lean_ctor_set(x_153, 5, x_152);
 lean_inc(x_5);
-x_159 = lean_apply_4(x_2, x_3, x_142, x_5, x_151);
-if (lean_obj_tag(x_159) == 0)
+x_161 = lean_apply_4(x_2, x_3, x_144, x_5, x_153);
+if (lean_obj_tag(x_161) == 0)
 {
-lean_object* x_160; uint8_t x_161; 
-x_160 = lean_ctor_get(x_159, 0);
-lean_inc(x_160);
-x_161 = lean_unbox(x_160);
-if (x_161 == 0)
-{
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-x_162 = lean_ctor_get(x_159, 1);
+lean_object* x_162; uint8_t x_163; 
+x_162 = lean_ctor_get(x_161, 0);
 lean_inc(x_162);
-lean_dec(x_159);
-x_163 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_143, x_144, x_148, x_5, x_162);
-lean_dec(x_5);
-x_164 = lean_ctor_get(x_163, 1);
+x_163 = lean_unbox(x_162);
+if (x_163 == 0)
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+x_164 = lean_ctor_get(x_161, 1);
 lean_inc(x_164);
-if (lean_is_exclusive(x_163)) {
- lean_ctor_release(x_163, 0);
- lean_ctor_release(x_163, 1);
- x_165 = x_163;
+lean_dec(x_161);
+x_165 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_145, x_146, x_150, x_5, x_164);
+lean_dec(x_5);
+x_166 = lean_ctor_get(x_165, 1);
+lean_inc(x_166);
+if (lean_is_exclusive(x_165)) {
+ lean_ctor_release(x_165, 0);
+ lean_ctor_release(x_165, 1);
+ x_167 = x_165;
 } else {
- lean_dec_ref(x_163);
- x_165 = lean_box(0);
+ lean_dec_ref(x_165);
+ x_167 = lean_box(0);
 }
-if (lean_is_scalar(x_165)) {
- x_166 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_167)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_166 = x_165;
+ x_168 = x_167;
 }
-lean_ctor_set(x_166, 0, x_160);
-lean_ctor_set(x_166, 1, x_164);
-return x_166;
+lean_ctor_set(x_168, 0, x_162);
+lean_ctor_set(x_168, 1, x_166);
+return x_168;
 }
 else
 {
-lean_object* x_167; uint8_t x_168; lean_object* x_169; 
-lean_dec(x_160);
-x_167 = lean_ctor_get(x_159, 1);
-lean_inc(x_167);
-lean_dec(x_159);
-x_168 = 0;
-x_169 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_168, x_5, x_167);
-if (lean_obj_tag(x_169) == 0)
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+lean_dec(x_162);
+x_169 = lean_ctor_get(x_161, 1);
+lean_inc(x_169);
+lean_dec(x_161);
+x_170 = 0;
+x_171 = l___private_Init_Lean_Meta_LevelDefEq_12__processPostponed(x_170, x_5, x_169);
+if (lean_obj_tag(x_171) == 0)
 {
-lean_object* x_170; uint8_t x_171; 
-x_170 = lean_ctor_get(x_169, 0);
-lean_inc(x_170);
-x_171 = lean_unbox(x_170);
-if (x_171 == 0)
-{
-lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-x_172 = lean_ctor_get(x_169, 1);
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
 lean_inc(x_172);
-lean_dec(x_169);
-x_173 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_143, x_144, x_148, x_5, x_172);
-lean_dec(x_5);
-x_174 = lean_ctor_get(x_173, 1);
+x_173 = lean_unbox(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_174 = lean_ctor_get(x_171, 1);
 lean_inc(x_174);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- x_175 = x_173;
-} else {
- lean_dec_ref(x_173);
- x_175 = lean_box(0);
-}
-if (lean_is_scalar(x_175)) {
- x_176 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_176 = x_175;
-}
-lean_ctor_set(x_176, 0, x_170);
-lean_ctor_set(x_176, 1, x_174);
-return x_176;
-}
-else
-{
-lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-lean_dec(x_148);
-lean_dec(x_144);
-lean_dec(x_143);
+lean_dec(x_171);
+x_175 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_145, x_146, x_150, x_5, x_174);
 lean_dec(x_5);
-x_177 = lean_ctor_get(x_169, 1);
-lean_inc(x_177);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- x_178 = x_169;
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
 } else {
- lean_dec_ref(x_169);
- x_178 = lean_box(0);
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
 }
-if (lean_is_scalar(x_178)) {
- x_179 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_177)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_179 = x_178;
-}
-lean_ctor_set(x_179, 0, x_170);
-lean_ctor_set(x_179, 1, x_177);
-return x_179;
+ x_178 = x_177;
 }
+lean_ctor_set(x_178, 0, x_172);
+lean_ctor_set(x_178, 1, x_176);
+return x_178;
 }
 else
 {
-lean_object* x_180; lean_object* x_181; 
-x_180 = lean_ctor_get(x_169, 0);
-lean_inc(x_180);
-x_181 = lean_ctor_get(x_169, 1);
-lean_inc(x_181);
-lean_dec(x_169);
-x_152 = x_180;
-x_153 = x_181;
-goto block_158;
+lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+lean_dec(x_150);
+lean_dec(x_146);
+lean_dec(x_145);
+lean_dec(x_5);
+x_179 = lean_ctor_get(x_171, 1);
+lean_inc(x_179);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_180 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_180 = lean_box(0);
 }
+if (lean_is_scalar(x_180)) {
+ x_181 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_181 = x_180;
+}
+lean_ctor_set(x_181, 0, x_172);
+lean_ctor_set(x_181, 1, x_179);
+return x_181;
 }
 }
 else
 {
 lean_object* x_182; lean_object* x_183; 
-x_182 = lean_ctor_get(x_159, 0);
+x_182 = lean_ctor_get(x_171, 0);
 lean_inc(x_182);
-x_183 = lean_ctor_get(x_159, 1);
+x_183 = lean_ctor_get(x_171, 1);
 lean_inc(x_183);
-lean_dec(x_159);
-x_152 = x_182;
-x_153 = x_183;
-goto block_158;
+lean_dec(x_171);
+x_154 = x_182;
+x_155 = x_183;
+goto block_160;
 }
-block_158:
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
-x_154 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_143, x_144, x_148, x_5, x_153);
-lean_dec(x_5);
-x_155 = lean_ctor_get(x_154, 1);
-lean_inc(x_155);
-if (lean_is_exclusive(x_154)) {
- lean_ctor_release(x_154, 0);
- lean_ctor_release(x_154, 1);
- x_156 = x_154;
-} else {
- lean_dec_ref(x_154);
- x_156 = lean_box(0);
-}
-if (lean_is_scalar(x_156)) {
- x_157 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_157 = x_156;
- lean_ctor_set_tag(x_157, 1);
-}
-lean_ctor_set(x_157, 0, x_152);
-lean_ctor_set(x_157, 1, x_155);
-return x_157;
 }
 }
 else
 {
-lean_object* x_184; lean_object* x_185; uint8_t x_186; lean_object* x_187; lean_object* x_188; 
-lean_dec(x_134);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-x_184 = lean_ctor_get(x_133, 1);
+lean_object* x_184; lean_object* x_185; 
+x_184 = lean_ctor_get(x_161, 0);
 lean_inc(x_184);
-if (lean_is_exclusive(x_133)) {
- lean_ctor_release(x_133, 0);
- lean_ctor_release(x_133, 1);
- x_185 = x_133;
-} else {
- lean_dec_ref(x_133);
- x_185 = lean_box(0);
+x_185 = lean_ctor_get(x_161, 1);
+lean_inc(x_185);
+lean_dec(x_161);
+x_154 = x_184;
+x_155 = x_185;
+goto block_160;
 }
-x_186 = 0;
-x_187 = lean_box(x_186);
-if (lean_is_scalar(x_185)) {
- x_188 = lean_alloc_ctor(0, 2, 0);
+block_160:
+{
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_156 = l___private_Init_Lean_Meta_LevelDefEq_13__restore(x_145, x_146, x_150, x_5, x_155);
+lean_dec(x_5);
+x_157 = lean_ctor_get(x_156, 1);
+lean_inc(x_157);
+if (lean_is_exclusive(x_156)) {
+ lean_ctor_release(x_156, 0);
+ lean_ctor_release(x_156, 1);
+ x_158 = x_156;
 } else {
- x_188 = x_185;
+ lean_dec_ref(x_156);
+ x_158 = lean_box(0);
 }
-lean_ctor_set(x_188, 0, x_187);
-lean_ctor_set(x_188, 1, x_184);
-return x_188;
+if (lean_is_scalar(x_158)) {
+ x_159 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_159 = x_158;
+ lean_ctor_set_tag(x_159, 1);
+}
+lean_ctor_set(x_159, 0, x_154);
+lean_ctor_set(x_159, 1, x_157);
+return x_159;
 }
 }
 else
 {
-lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_135);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_189 = lean_ctor_get(x_133, 0);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_133, 1);
-lean_inc(x_190);
-if (lean_is_exclusive(x_133)) {
- lean_ctor_release(x_133, 0);
- lean_ctor_release(x_133, 1);
- x_191 = x_133;
+x_186 = lean_ctor_get(x_134, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
+ x_187 = x_134;
 } else {
- lean_dec_ref(x_133);
- x_191 = lean_box(0);
+ lean_dec_ref(x_134);
+ x_187 = lean_box(0);
 }
-if (lean_is_scalar(x_191)) {
- x_192 = lean_alloc_ctor(1, 2, 0);
+x_188 = 0;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_192 = x_191;
+ x_190 = x_187;
 }
-lean_ctor_set(x_192, 0, x_189);
-lean_ctor_set(x_192, 1, x_190);
-return x_192;
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+x_191 = lean_ctor_get(x_134, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_134, 1);
+lean_inc(x_192);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
+ x_193 = x_134;
+} else {
+ lean_dec_ref(x_134);
+ x_193 = lean_box(0);
+}
+if (lean_is_scalar(x_193)) {
+ x_194 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_194 = x_193;
+}
+lean_ctor_set(x_194, 0, x_191);
+lean_ctor_set(x_194, 1, x_192);
+return x_194;
 }
 }
 }
 else
 {
-uint8_t x_193; 
+uint8_t x_195; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_193 = !lean_is_exclusive(x_13);
-if (x_193 == 0)
+x_195 = !lean_is_exclusive(x_13);
+if (x_195 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_194 = lean_ctor_get(x_13, 0);
-x_195 = lean_ctor_get(x_13, 1);
-lean_inc(x_195);
-lean_inc(x_194);
+lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+x_196 = lean_ctor_get(x_13, 0);
+x_197 = lean_ctor_get(x_13, 1);
+lean_inc(x_197);
+lean_inc(x_196);
 lean_dec(x_13);
-x_196 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_196, 0, x_194);
-lean_ctor_set(x_196, 1, x_195);
-return x_196;
+x_198 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_198, 0, x_196);
+lean_ctor_set(x_198, 1, x_197);
+return x_198;
 }
 }
 }
 else
 {
-uint8_t x_197; lean_object* x_198; lean_object* x_199; 
+uint8_t x_199; lean_object* x_200; lean_object* x_201; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_197 = 0;
-x_198 = lean_box(x_197);
-x_199 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_199, 0, x_198);
-lean_ctor_set(x_199, 1, x_6);
-return x_199;
+x_199 = 0;
+x_200 = lean_box(x_199);
+x_201 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_201, 0, x_200);
+lean_ctor_set(x_201, 1, x_6);
+return x_201;
 }
 }
 }
@@ -1082,7 +1088,7 @@ _start:
 {
 lean_object* x_4; lean_object* x_5; 
 x_4 = lean_unsigned_to_nat(0u);
-x_5 = l___private_Init_Lean_Expr_10__etaExpandedAux___main(x_1, x_4);
+x_5 = l___private_Init_Lean_Expr_9__etaExpandedAux___main(x_1, x_4);
 if (lean_obj_tag(x_5) == 0)
 {
 uint8_t x_6; lean_object* x_7; lean_object* x_8; 
@@ -1272,7 +1278,7 @@ else
 {
 lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; uint8_t x_41; 
 x_13 = lean_array_fget(x_2, x_5);
-x_14 = l_Lean_Expr_inhabited;
+x_14 = l_Lean_Expr_Inhabited;
 x_15 = lean_array_get(x_14, x_3, x_5);
 x_16 = lean_array_get(x_14, x_4, x_5);
 x_41 = lean_ctor_get_uint8(x_13, sizeof(void*)*1);
@@ -1846,7 +1852,7 @@ lean_object* l___private_Init_Lean_Meta_ExprDefEq_4__isDefEqArgs___lambda__1(lea
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
-x_9 = l_Lean_Expr_inhabited;
+x_9 = l_Lean_Expr_Inhabited;
 x_10 = lean_array_get(x_9, x_1, x_6);
 x_11 = lean_array_get(x_9, x_2, x_6);
 x_100 = l_Lean_Meta_ParamInfo_inhabited;
@@ -2695,7 +2701,7 @@ lean_inc(x_16);
 lean_dec(x_14);
 x_17 = l_Lean_LocalDecl_type(x_15);
 lean_dec(x_15);
-x_18 = l_Lean_Expr_inhabited;
+x_18 = l_Lean_Expr_Inhabited;
 x_19 = lean_array_get(x_18, x_4, x_5);
 lean_inc(x_2);
 lean_inc(x_7);
@@ -2967,7 +2973,7 @@ lean_dec(x_31);
 x_34 = 0;
 lean_inc(x_32);
 x_35 = lean_local_ctx_mk_local_decl(x_3, x_32, x_24, x_29, x_34);
-x_36 = lean_expr_mk_fvar(x_32);
+x_36 = l_Lean_mkFVar(x_32);
 x_37 = lean_array_push(x_4, x_36);
 x_38 = lean_array_push(x_7, x_30);
 x_3 = x_35;
@@ -3012,7 +3018,7 @@ lean_dec(x_48);
 x_51 = 0;
 lean_inc(x_49);
 x_52 = lean_local_ctx_mk_local_decl(x_3, x_49, x_41, x_46, x_51);
-x_53 = lean_expr_mk_fvar(x_49);
+x_53 = l_Lean_mkFVar(x_49);
 x_54 = lean_array_push(x_4, x_53);
 x_55 = lean_array_push(x_7, x_47);
 x_3 = x_52;
@@ -3166,7 +3172,7 @@ _start:
 lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; lean_object* x_7; lean_object* x_8; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = lean_expr_hash(x_2);
+x_5 = l_Lean_Expr_hash(x_2);
 x_6 = lean_usize_modn(x_5, x_4);
 lean_dec(x_4);
 x_7 = lean_array_uget(x_3, x_6);
@@ -3265,7 +3271,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; le
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = lean_expr_hash(x_4);
+x_7 = l_Lean_Expr_hash(x_4);
 x_8 = lean_usize_modn(x_7, x_6);
 lean_dec(x_6);
 x_9 = lean_array_uget(x_1, x_8);
@@ -3286,7 +3292,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = lean_expr_hash(x_12);
+x_16 = l_Lean_Expr_hash(x_12);
 x_17 = lean_usize_modn(x_16, x_15);
 lean_dec(x_15);
 x_18 = lean_array_uget(x_1, x_17);
@@ -3433,7 +3439,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; le
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = lean_expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_2);
 x_9 = lean_usize_modn(x_8, x_7);
 x_10 = lean_array_uget(x_6, x_9);
 x_11 = l_AssocList_contains___main___at_Lean_Meta_CheckAssignment_cache___spec__2(x_2, x_10);
@@ -3483,7 +3489,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = lean_expr_hash(x_2);
+x_23 = l_Lean_Expr_hash(x_2);
 x_24 = lean_usize_modn(x_23, x_22);
 x_25 = lean_array_uget(x_21, x_24);
 x_26 = l_AssocList_contains___main___at_Lean_Meta_CheckAssignment_cache___spec__2(x_2, x_25);
@@ -3629,11 +3635,11 @@ lean_object* l___private_Init_Lean_Meta_ExprDefEq_7__visit(lean_object* x_1, lea
 _start:
 {
 lean_object* x_5; uint8_t x_28; 
-x_28 = lean_expr_has_expr_mvar(x_2);
+x_28 = l_Lean_Expr_hasExprMVar(x_2);
 if (x_28 == 0)
 {
 uint8_t x_29; 
-x_29 = lean_expr_has_fvar(x_2);
+x_29 = l_Lean_Expr_hasFVar(x_2);
 if (x_29 == 0)
 {
 lean_object* x_30; 
@@ -3905,11 +3911,11 @@ lean_dec(x_2);
 x_23 = lean_ctor_get(x_16, 4);
 lean_inc(x_23);
 lean_dec(x_16);
-x_47 = lean_expr_has_expr_mvar(x_23);
+x_47 = l_Lean_Expr_hasExprMVar(x_23);
 if (x_47 == 0)
 {
 uint8_t x_48; 
-x_48 = lean_expr_has_fvar(x_23);
+x_48 = l_Lean_Expr_hasFVar(x_23);
 if (x_48 == 0)
 {
 lean_object* x_49; 
@@ -4138,7 +4144,7 @@ x_16 = lean_nat_add(x_10, x_15);
 lean_dec(x_10);
 lean_ctor_set(x_6, 1, x_16);
 lean_ctor_set(x_4, 0, x_14);
-x_17 = lean_expr_mk_mvar(x_11);
+x_17 = l_Lean_mkMVar(x_11);
 x_18 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_18, 0, x_17);
 lean_ctor_set(x_18, 1, x_4);
@@ -4168,7 +4174,7 @@ lean_ctor_set(x_28, 0, x_20);
 lean_ctor_set(x_28, 1, x_27);
 lean_ctor_set(x_4, 1, x_28);
 lean_ctor_set(x_4, 0, x_25);
-x_29 = lean_expr_mk_mvar(x_22);
+x_29 = l_Lean_mkMVar(x_22);
 x_30 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_4);
@@ -4218,7 +4224,7 @@ x_44 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_44, 0, x_40);
 lean_ctor_set(x_44, 1, x_43);
 lean_ctor_set(x_44, 2, x_33);
-x_45 = lean_expr_mk_mvar(x_37);
+x_45 = l_Lean_mkMVar(x_37);
 x_46 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_46, 0, x_45);
 lean_ctor_set(x_46, 1, x_44);
@@ -4360,7 +4366,7 @@ return x_28;
 }
 else
 {
-lean_object* x_29; uint8_t x_30; 
+lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 lean_dec(x_2);
 x_29 = lean_ctor_get(x_14, 2);
 lean_inc(x_29);
@@ -4368,98 +4374,100 @@ lean_dec(x_14);
 lean_inc(x_29);
 lean_inc(x_17);
 x_30 = l_Lean_MetavarContext_isWellFormed___main(x_6, x_17, x_29);
-if (x_30 == 0)
+x_31 = lean_unbox(x_30);
+lean_dec(x_30);
+if (x_31 == 0)
 {
-lean_object* x_31; lean_object* x_32; 
+lean_object* x_32; lean_object* x_33; 
 lean_dec(x_29);
 lean_dec(x_17);
 lean_dec(x_3);
-x_31 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_31, 0, x_5);
-x_32 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_32, 1, x_4);
-return x_32;
-}
-else
-{
-lean_object* x_33; uint8_t x_34; 
-x_33 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_17, x_29, x_3, x_4);
-lean_dec(x_3);
-x_34 = !lean_is_exclusive(x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_33, 1);
-x_36 = !lean_is_exclusive(x_35);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_33, 0);
-x_38 = lean_ctor_get(x_35, 0);
-lean_inc(x_37);
-x_39 = lean_metavar_ctx_assign_expr(x_38, x_5, x_37);
-lean_ctor_set(x_35, 0, x_39);
+x_32 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_32, 0, x_5);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_4);
 return x_33;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_40 = lean_ctor_get(x_33, 0);
-x_41 = lean_ctor_get(x_35, 0);
-x_42 = lean_ctor_get(x_35, 1);
-x_43 = lean_ctor_get(x_35, 2);
+lean_object* x_34; uint8_t x_35; 
+x_34 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_17, x_29, x_3, x_4);
+lean_dec(x_3);
+x_35 = !lean_is_exclusive(x_34);
+if (x_35 == 0)
+{
+lean_object* x_36; uint8_t x_37; 
+x_36 = lean_ctor_get(x_34, 1);
+x_37 = !lean_is_exclusive(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_34, 0);
+x_39 = lean_ctor_get(x_36, 0);
+lean_inc(x_38);
+x_40 = lean_metavar_ctx_assign_expr(x_39, x_5, x_38);
+lean_ctor_set(x_36, 0, x_40);
+return x_34;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_41 = lean_ctor_get(x_34, 0);
+x_42 = lean_ctor_get(x_36, 0);
+x_43 = lean_ctor_get(x_36, 1);
+x_44 = lean_ctor_get(x_36, 2);
+lean_inc(x_44);
 lean_inc(x_43);
 lean_inc(x_42);
+lean_dec(x_36);
 lean_inc(x_41);
-lean_dec(x_35);
-lean_inc(x_40);
-x_44 = lean_metavar_ctx_assign_expr(x_41, x_5, x_40);
-x_45 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_42);
-lean_ctor_set(x_45, 2, x_43);
-lean_ctor_set(x_33, 1, x_45);
-return x_33;
+x_45 = lean_metavar_ctx_assign_expr(x_42, x_5, x_41);
+x_46 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_43);
+lean_ctor_set(x_46, 2, x_44);
+lean_ctor_set(x_34, 1, x_46);
+return x_34;
 }
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_46 = lean_ctor_get(x_33, 1);
-x_47 = lean_ctor_get(x_33, 0);
-lean_inc(x_46);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_47 = lean_ctor_get(x_34, 1);
+x_48 = lean_ctor_get(x_34, 0);
 lean_inc(x_47);
-lean_dec(x_33);
-x_48 = lean_ctor_get(x_46, 0);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_46, 1);
+lean_dec(x_34);
+x_49 = lean_ctor_get(x_47, 0);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_46, 2);
+x_50 = lean_ctor_get(x_47, 1);
 lean_inc(x_50);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- lean_ctor_release(x_46, 2);
- x_51 = x_46;
+x_51 = lean_ctor_get(x_47, 2);
+lean_inc(x_51);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ lean_ctor_release(x_47, 2);
+ x_52 = x_47;
 } else {
- lean_dec_ref(x_46);
- x_51 = lean_box(0);
+ lean_dec_ref(x_47);
+ x_52 = lean_box(0);
 }
-lean_inc(x_47);
-x_52 = lean_metavar_ctx_assign_expr(x_48, x_5, x_47);
-if (lean_is_scalar(x_51)) {
- x_53 = lean_alloc_ctor(0, 3, 0);
+lean_inc(x_48);
+x_53 = lean_metavar_ctx_assign_expr(x_49, x_5, x_48);
+if (lean_is_scalar(x_52)) {
+ x_54 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_53 = x_51;
+ x_54 = x_52;
 }
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_49);
-lean_ctor_set(x_53, 2, x_50);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_47);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_50);
+lean_ctor_set(x_54, 2, x_51);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_48);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
 }
 }
 }
@@ -4467,216 +4475,226 @@ return x_54;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; 
+lean_object* x_56; lean_object* x_57; 
 lean_dec(x_17);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
-x_55 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_55, 0, x_5);
-x_56 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_4);
-return x_56;
+x_56 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_56, 0, x_5);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_4);
+return x_57;
 }
 }
 }
 else
 {
-lean_object* x_57; 
+lean_object* x_58; 
 lean_dec(x_17);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_2);
-lean_ctor_set(x_57, 1, x_4);
-return x_57;
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_2);
+lean_ctor_set(x_58, 1, x_4);
+return x_58;
 }
 }
 else
 {
-lean_object* x_58; lean_object* x_59; 
+lean_object* x_59; lean_object* x_60; 
 lean_dec(x_10);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_58 = lean_box(1);
-x_59 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_4);
-return x_59;
+x_59 = lean_box(1);
+x_60 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_4);
+return x_60;
 }
 }
 }
 else
 {
-lean_object* x_60; lean_object* x_61; 
+lean_object* x_61; lean_object* x_62; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_60 = lean_box(0);
-x_61 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_4);
-return x_61;
+x_61 = lean_box(0);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_4);
+return x_62;
 }
 }
 else
 {
-lean_object* x_62; lean_object* x_63; uint8_t x_86; 
+lean_object* x_63; lean_object* x_64; uint8_t x_87; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
-x_62 = lean_ctor_get(x_7, 0);
-lean_inc(x_62);
+x_63 = lean_ctor_get(x_7, 0);
+lean_inc(x_63);
 lean_dec(x_7);
-x_86 = lean_expr_has_expr_mvar(x_62);
-if (x_86 == 0)
-{
-uint8_t x_87; 
-x_87 = lean_expr_has_fvar(x_62);
+x_87 = l_Lean_Expr_hasExprMVar(x_63);
 if (x_87 == 0)
 {
-lean_object* x_88; 
-lean_dec(x_3);
-lean_dec(x_1);
-x_88 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_88, 0, x_62);
-lean_ctor_set(x_88, 1, x_4);
-return x_88;
-}
-else
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasFVar(x_63);
+if (x_88 == 0)
 {
 lean_object* x_89; 
-x_89 = lean_box(0);
-x_63 = x_89;
-goto block_85;
-}
+lean_dec(x_3);
+lean_dec(x_1);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_63);
+lean_ctor_set(x_89, 1, x_4);
+return x_89;
 }
 else
 {
 lean_object* x_90; 
 x_90 = lean_box(0);
-x_63 = x_90;
-goto block_85;
+x_64 = x_90;
+goto block_86;
 }
-block_85:
+}
+else
 {
-lean_object* x_64; lean_object* x_65; 
-lean_dec(x_63);
-x_64 = l_Lean_Meta_CheckAssignment_findCached(x_62, x_3, x_4);
-x_65 = lean_ctor_get(x_64, 0);
-lean_inc(x_65);
-if (lean_obj_tag(x_65) == 0)
+lean_object* x_91; 
+x_91 = lean_box(0);
+x_64 = x_91;
+goto block_86;
+}
+block_86:
 {
-lean_object* x_66; lean_object* x_67; 
-x_66 = lean_ctor_get(x_64, 1);
-lean_inc(x_66);
+lean_object* x_65; lean_object* x_66; 
 lean_dec(x_64);
+x_65 = l_Lean_Meta_CheckAssignment_findCached(x_63, x_3, x_4);
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+if (lean_obj_tag(x_66) == 0)
+{
+lean_object* x_67; lean_object* x_68; 
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
+lean_dec(x_65);
 lean_inc(x_3);
-lean_inc(x_62);
-x_67 = lean_apply_3(x_1, x_62, x_3, x_66);
-if (lean_obj_tag(x_67) == 0)
+lean_inc(x_63);
+x_68 = lean_apply_3(x_1, x_63, x_3, x_67);
+if (lean_obj_tag(x_68) == 0)
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; 
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_67, 1);
+lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+x_69 = lean_ctor_get(x_68, 0);
 lean_inc(x_69);
-lean_dec(x_67);
-lean_inc(x_68);
-x_70 = l_Lean_Meta_CheckAssignment_cache(x_62, x_68, x_3, x_69);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+lean_inc(x_69);
+x_71 = l_Lean_Meta_CheckAssignment_cache(x_63, x_69, x_3, x_70);
 lean_dec(x_3);
-x_71 = !lean_is_exclusive(x_70);
-if (x_71 == 0)
+x_72 = !lean_is_exclusive(x_71);
+if (x_72 == 0)
 {
-lean_object* x_72; 
-x_72 = lean_ctor_get(x_70, 0);
-lean_dec(x_72);
-lean_ctor_set(x_70, 0, x_68);
-return x_70;
+lean_object* x_73; 
+x_73 = lean_ctor_get(x_71, 0);
+lean_dec(x_73);
+lean_ctor_set(x_71, 0, x_69);
+return x_71;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; 
-x_73 = lean_ctor_get(x_70, 1);
-lean_inc(x_73);
-lean_dec(x_70);
-x_74 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_74, 0, x_68);
-lean_ctor_set(x_74, 1, x_73);
-return x_74;
+lean_object* x_74; lean_object* x_75; 
+x_74 = lean_ctor_get(x_71, 1);
+lean_inc(x_74);
+lean_dec(x_71);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_69);
+lean_ctor_set(x_75, 1, x_74);
+return x_75;
 }
 }
 else
 {
-uint8_t x_75; 
-lean_dec(x_62);
+uint8_t x_76; 
+lean_dec(x_63);
 lean_dec(x_3);
-x_75 = !lean_is_exclusive(x_67);
-if (x_75 == 0)
+x_76 = !lean_is_exclusive(x_68);
+if (x_76 == 0)
 {
-return x_67;
+return x_68;
 }
 else
 {
-lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_76 = lean_ctor_get(x_67, 0);
-x_77 = lean_ctor_get(x_67, 1);
+lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_77 = lean_ctor_get(x_68, 0);
+x_78 = lean_ctor_get(x_68, 1);
+lean_inc(x_78);
 lean_inc(x_77);
-lean_inc(x_76);
-lean_dec(x_67);
-x_78 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
+lean_dec(x_68);
+x_79 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_79, 0, x_77);
+lean_ctor_set(x_79, 1, x_78);
+return x_79;
 }
 }
 }
 else
 {
-uint8_t x_79; 
-lean_dec(x_62);
+uint8_t x_80; 
+lean_dec(x_63);
 lean_dec(x_3);
 lean_dec(x_1);
-x_79 = !lean_is_exclusive(x_64);
-if (x_79 == 0)
+x_80 = !lean_is_exclusive(x_65);
+if (x_80 == 0)
 {
-lean_object* x_80; lean_object* x_81; 
-x_80 = lean_ctor_get(x_64, 0);
-lean_dec(x_80);
+lean_object* x_81; lean_object* x_82; 
 x_81 = lean_ctor_get(x_65, 0);
-lean_inc(x_81);
-lean_dec(x_65);
-lean_ctor_set(x_64, 0, x_81);
-return x_64;
+lean_dec(x_81);
+x_82 = lean_ctor_get(x_66, 0);
+lean_inc(x_82);
+lean_dec(x_66);
+lean_ctor_set(x_65, 0, x_82);
+return x_65;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_64, 1);
-lean_inc(x_82);
-lean_dec(x_64);
-x_83 = lean_ctor_get(x_65, 0);
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_65, 1);
 lean_inc(x_83);
 lean_dec(x_65);
-x_84 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_82);
-return x_84;
+x_84 = lean_ctor_get(x_66, 0);
+lean_inc(x_84);
+lean_dec(x_66);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
 }
 }
 }
 }
 }
 }
+lean_object* _init_l_Lean_Meta_CheckAssignment_check___main___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
+x_2 = l_Lean_Expr_Inhabited;
+x_3 = l_monadInhabited___rarg(x_1, x_2);
+return x_3;
+}
+}
 lean_object* l_Lean_Meta_CheckAssignment_check___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -4685,11 +4703,11 @@ switch (lean_obj_tag(x_1)) {
 case 1:
 {
 lean_object* x_30; uint8_t x_116; 
-x_116 = lean_expr_has_expr_mvar(x_1);
+x_116 = l_Lean_Expr_hasExprMVar(x_1);
 if (x_116 == 0)
 {
 uint8_t x_117; 
-x_117 = lean_expr_has_fvar(x_1);
+x_117 = l_Lean_Expr_hasFVar(x_1);
 if (x_117 == 0)
 {
 lean_object* x_118; 
@@ -4814,11 +4832,11 @@ lean_free_object(x_31);
 x_50 = lean_ctor_get(x_45, 4);
 lean_inc(x_50);
 lean_dec(x_45);
-x_67 = lean_expr_has_expr_mvar(x_50);
+x_67 = l_Lean_Expr_hasExprMVar(x_50);
 if (x_67 == 0)
 {
 uint8_t x_68; 
-x_68 = lean_expr_has_fvar(x_50);
+x_68 = l_Lean_Expr_hasFVar(x_50);
 if (x_68 == 0)
 {
 x_4 = x_50;
@@ -5014,11 +5032,11 @@ lean_object* x_88; lean_object* x_89; uint8_t x_105;
 x_88 = lean_ctor_get(x_82, 4);
 lean_inc(x_88);
 lean_dec(x_82);
-x_105 = lean_expr_has_expr_mvar(x_88);
+x_105 = l_Lean_Expr_hasExprMVar(x_88);
 if (x_105 == 0)
 {
 uint8_t x_106; 
-x_106 = lean_expr_has_fvar(x_88);
+x_106 = l_Lean_Expr_hasFVar(x_88);
 if (x_106 == 0)
 {
 x_4 = x_88;
@@ -5164,37 +5182,37 @@ return x_114;
 }
 case 2:
 {
-lean_object* x_121; uint8_t x_255; 
-x_255 = lean_expr_has_expr_mvar(x_1);
-if (x_255 == 0)
+lean_object* x_121; uint8_t x_257; 
+x_257 = l_Lean_Expr_hasExprMVar(x_1);
+if (x_257 == 0)
 {
-uint8_t x_256; 
-x_256 = lean_expr_has_fvar(x_1);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-lean_dec(x_2);
-x_257 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_257, 0, x_1);
-lean_ctor_set(x_257, 1, x_3);
-return x_257;
-}
-else
-{
-lean_object* x_258; 
-x_258 = lean_box(0);
-x_121 = x_258;
-goto block_254;
-}
-}
-else
+uint8_t x_258; 
+x_258 = l_Lean_Expr_hasFVar(x_1);
+if (x_258 == 0)
 {
 lean_object* x_259; 
-x_259 = lean_box(0);
-x_121 = x_259;
-goto block_254;
+lean_dec(x_2);
+x_259 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_259, 0, x_1);
+lean_ctor_set(x_259, 1, x_3);
+return x_259;
 }
-block_254:
+else
+{
+lean_object* x_260; 
+x_260 = lean_box(0);
+x_121 = x_260;
+goto block_256;
+}
+}
+else
+{
+lean_object* x_261; 
+x_261 = lean_box(0);
+x_121 = x_261;
+goto block_256;
+}
+block_256:
 {
 lean_object* x_122; lean_object* x_123; 
 lean_dec(x_121);
@@ -5327,66 +5345,68 @@ goto block_11;
 }
 else
 {
-lean_object* x_147; uint8_t x_148; 
+lean_object* x_147; lean_object* x_148; uint8_t x_149; 
 x_147 = lean_ctor_get(x_135, 2);
 lean_inc(x_147);
 lean_dec(x_135);
 lean_inc(x_147);
 lean_inc(x_138);
 x_148 = l_Lean_MetavarContext_isWellFormed___main(x_128, x_138, x_147);
-if (x_148 == 0)
+x_149 = lean_unbox(x_148);
+lean_dec(x_148);
+if (x_149 == 0)
 {
-lean_object* x_149; 
+lean_object* x_150; 
 lean_dec(x_147);
 lean_dec(x_138);
 lean_dec(x_2);
 lean_dec(x_1);
-x_149 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_149, 0, x_127);
+x_150 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_150, 0, x_127);
 lean_ctor_set_tag(x_122, 1);
-lean_ctor_set(x_122, 0, x_149);
+lean_ctor_set(x_122, 0, x_150);
 return x_122;
 }
 else
 {
-lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
+lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
 lean_free_object(x_122);
-x_150 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_138, x_147, x_2, x_125);
-x_151 = lean_ctor_get(x_150, 1);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_150, 0);
+x_151 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_138, x_147, x_2, x_125);
+x_152 = lean_ctor_get(x_151, 1);
 lean_inc(x_152);
-lean_dec(x_150);
-x_153 = !lean_is_exclusive(x_151);
-if (x_153 == 0)
+x_153 = lean_ctor_get(x_151, 0);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
 {
-lean_object* x_154; lean_object* x_155; 
-x_154 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-x_155 = lean_metavar_ctx_assign_expr(x_154, x_127, x_152);
-lean_ctor_set(x_151, 0, x_155);
-x_4 = x_152;
-x_5 = x_151;
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_inc(x_153);
+x_156 = lean_metavar_ctx_assign_expr(x_155, x_127, x_153);
+lean_ctor_set(x_152, 0, x_156);
+x_4 = x_153;
+x_5 = x_152;
 goto block_11;
 }
 else
 {
-lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; 
-x_156 = lean_ctor_get(x_151, 0);
-x_157 = lean_ctor_get(x_151, 1);
-x_158 = lean_ctor_get(x_151, 2);
+lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+x_157 = lean_ctor_get(x_152, 0);
+x_158 = lean_ctor_get(x_152, 1);
+x_159 = lean_ctor_get(x_152, 2);
+lean_inc(x_159);
 lean_inc(x_158);
 lean_inc(x_157);
-lean_inc(x_156);
-lean_dec(x_151);
-lean_inc(x_152);
-x_159 = lean_metavar_ctx_assign_expr(x_156, x_127, x_152);
-x_160 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_160, 0, x_159);
-lean_ctor_set(x_160, 1, x_157);
-lean_ctor_set(x_160, 2, x_158);
-x_4 = x_152;
-x_5 = x_160;
+lean_dec(x_152);
+lean_inc(x_153);
+x_160 = lean_metavar_ctx_assign_expr(x_157, x_127, x_153);
+x_161 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_161, 0, x_160);
+lean_ctor_set(x_161, 1, x_158);
+lean_ctor_set(x_161, 2, x_159);
+x_4 = x_153;
+x_5 = x_161;
 goto block_11;
 }
 }
@@ -5395,44 +5415,15 @@ goto block_11;
 }
 else
 {
-lean_object* x_161; 
-lean_dec(x_138);
-lean_dec(x_136);
-lean_dec(x_135);
-lean_dec(x_128);
-lean_dec(x_2);
-lean_dec(x_1);
-x_161 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_161, 0, x_127);
-lean_ctor_set_tag(x_122, 1);
-lean_ctor_set(x_122, 0, x_161);
-return x_122;
-}
-}
-}
-else
-{
-lean_dec(x_138);
-lean_dec(x_136);
-lean_dec(x_135);
-lean_dec(x_128);
-lean_dec(x_127);
-lean_free_object(x_122);
-lean_inc(x_1);
-x_4 = x_1;
-x_5 = x_125;
-goto block_11;
-}
-}
-else
-{
 lean_object* x_162; 
-lean_dec(x_132);
+lean_dec(x_138);
+lean_dec(x_136);
+lean_dec(x_135);
 lean_dec(x_128);
-lean_dec(x_127);
 lean_dec(x_2);
 lean_dec(x_1);
-x_162 = lean_box(1);
+x_162 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_162, 0, x_127);
 lean_ctor_set_tag(x_122, 1);
 lean_ctor_set(x_122, 0, x_162);
 return x_122;
@@ -5441,123 +5432,152 @@ return x_122;
 }
 else
 {
+lean_dec(x_138);
+lean_dec(x_136);
+lean_dec(x_135);
+lean_dec(x_128);
+lean_dec(x_127);
+lean_free_object(x_122);
+lean_inc(x_1);
+x_4 = x_1;
+x_5 = x_125;
+goto block_11;
+}
+}
+else
+{
 lean_object* x_163; 
+lean_dec(x_132);
 lean_dec(x_128);
 lean_dec(x_127);
 lean_dec(x_2);
 lean_dec(x_1);
-x_163 = lean_box(0);
+x_163 = lean_box(1);
 lean_ctor_set_tag(x_122, 1);
 lean_ctor_set(x_122, 0, x_163);
 return x_122;
 }
 }
+}
 else
 {
-lean_object* x_164; lean_object* x_165; uint8_t x_181; 
+lean_object* x_164; 
+lean_dec(x_128);
+lean_dec(x_127);
+lean_dec(x_2);
+lean_dec(x_1);
+x_164 = lean_box(0);
+lean_ctor_set_tag(x_122, 1);
+lean_ctor_set(x_122, 0, x_164);
+return x_122;
+}
+}
+else
+{
+lean_object* x_165; lean_object* x_166; uint8_t x_182; 
 lean_dec(x_128);
 lean_dec(x_127);
 lean_free_object(x_122);
-x_164 = lean_ctor_get(x_129, 0);
-lean_inc(x_164);
+x_165 = lean_ctor_get(x_129, 0);
+lean_inc(x_165);
 lean_dec(x_129);
-x_181 = lean_expr_has_expr_mvar(x_164);
-if (x_181 == 0)
-{
-uint8_t x_182; 
-x_182 = lean_expr_has_fvar(x_164);
+x_182 = l_Lean_Expr_hasExprMVar(x_165);
 if (x_182 == 0)
 {
-x_4 = x_164;
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasFVar(x_165);
+if (x_183 == 0)
+{
+x_4 = x_165;
 x_5 = x_125;
 goto block_11;
 }
 else
 {
-lean_object* x_183; 
-x_183 = lean_box(0);
-x_165 = x_183;
-goto block_180;
-}
-}
-else
-{
 lean_object* x_184; 
 x_184 = lean_box(0);
-x_165 = x_184;
-goto block_180;
+x_166 = x_184;
+goto block_181;
 }
-block_180:
+}
+else
 {
-lean_object* x_166; lean_object* x_167; 
-lean_dec(x_165);
-x_166 = l_Lean_Meta_CheckAssignment_findCached(x_164, x_2, x_125);
-x_167 = lean_ctor_get(x_166, 0);
-lean_inc(x_167);
-if (lean_obj_tag(x_167) == 0)
+lean_object* x_185; 
+x_185 = lean_box(0);
+x_166 = x_185;
+goto block_181;
+}
+block_181:
 {
-lean_object* x_168; lean_object* x_169; 
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
+lean_object* x_167; lean_object* x_168; 
 lean_dec(x_166);
-lean_inc(x_2);
-lean_inc(x_164);
-x_169 = l_Lean_Meta_CheckAssignment_check___main(x_164, x_2, x_168);
-if (lean_obj_tag(x_169) == 0)
+x_167 = l_Lean_Meta_CheckAssignment_findCached(x_165, x_2, x_125);
+x_168 = lean_ctor_get(x_167, 0);
+lean_inc(x_168);
+if (lean_obj_tag(x_168) == 0)
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_170 = lean_ctor_get(x_169, 0);
-lean_inc(x_170);
-x_171 = lean_ctor_get(x_169, 1);
+lean_object* x_169; lean_object* x_170; 
+x_169 = lean_ctor_get(x_167, 1);
+lean_inc(x_169);
+lean_dec(x_167);
+lean_inc(x_2);
+lean_inc(x_165);
+x_170 = l_Lean_Meta_CheckAssignment_check___main(x_165, x_2, x_169);
+if (lean_obj_tag(x_170) == 0)
+{
+lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_171 = lean_ctor_get(x_170, 0);
 lean_inc(x_171);
-lean_dec(x_169);
-lean_inc(x_170);
-x_172 = l_Lean_Meta_CheckAssignment_cache(x_164, x_170, x_2, x_171);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
-lean_dec(x_172);
-x_4 = x_170;
-x_5 = x_173;
+x_172 = lean_ctor_get(x_170, 1);
+lean_inc(x_172);
+lean_dec(x_170);
+lean_inc(x_171);
+x_173 = l_Lean_Meta_CheckAssignment_cache(x_165, x_171, x_2, x_172);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_4 = x_171;
+x_5 = x_174;
 goto block_11;
 }
 else
 {
-uint8_t x_174; 
-lean_dec(x_164);
+uint8_t x_175; 
+lean_dec(x_165);
 lean_dec(x_2);
 lean_dec(x_1);
-x_174 = !lean_is_exclusive(x_169);
-if (x_174 == 0)
+x_175 = !lean_is_exclusive(x_170);
+if (x_175 == 0)
 {
-return x_169;
+return x_170;
 }
 else
 {
-lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_175 = lean_ctor_get(x_169, 0);
-x_176 = lean_ctor_get(x_169, 1);
+lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_176 = lean_ctor_get(x_170, 0);
+x_177 = lean_ctor_get(x_170, 1);
+lean_inc(x_177);
 lean_inc(x_176);
-lean_inc(x_175);
-lean_dec(x_169);
-x_177 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_177, 0, x_175);
-lean_ctor_set(x_177, 1, x_176);
-return x_177;
+lean_dec(x_170);
+x_178 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_178, 0, x_176);
+lean_ctor_set(x_178, 1, x_177);
+return x_178;
 }
 }
 }
 else
 {
-lean_object* x_178; lean_object* x_179; 
-lean_dec(x_164);
-x_178 = lean_ctor_get(x_166, 1);
-lean_inc(x_178);
-lean_dec(x_166);
-x_179 = lean_ctor_get(x_167, 0);
+lean_object* x_179; lean_object* x_180; 
+lean_dec(x_165);
+x_179 = lean_ctor_get(x_167, 1);
 lean_inc(x_179);
 lean_dec(x_167);
-x_4 = x_179;
-x_5 = x_178;
+x_180 = lean_ctor_get(x_168, 0);
+lean_inc(x_180);
+lean_dec(x_168);
+x_4 = x_180;
+x_5 = x_179;
 goto block_11;
 }
 }
@@ -5565,356 +5585,358 @@ goto block_11;
 }
 else
 {
-lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_185 = lean_ctor_get(x_122, 1);
-lean_inc(x_185);
+lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_186 = lean_ctor_get(x_122, 1);
+lean_inc(x_186);
 lean_dec(x_122);
-x_186 = l_Lean_Expr_mvarId_x21(x_1);
-x_187 = lean_ctor_get(x_185, 0);
+x_187 = l_Lean_Expr_mvarId_x21(x_1);
+x_188 = lean_ctor_get(x_186, 0);
+lean_inc(x_188);
 lean_inc(x_187);
-lean_inc(x_186);
+lean_inc(x_188);
+x_189 = lean_metavar_ctx_get_expr_assignment(x_188, x_187);
+if (lean_obj_tag(x_189) == 0)
+{
+lean_object* x_190; uint8_t x_191; 
+x_190 = lean_ctor_get(x_2, 1);
+lean_inc(x_190);
+x_191 = lean_name_dec_eq(x_187, x_190);
+lean_dec(x_190);
+if (x_191 == 0)
+{
+lean_object* x_192; 
 lean_inc(x_187);
-x_188 = lean_metavar_ctx_get_expr_assignment(x_187, x_186);
-if (lean_obj_tag(x_188) == 0)
+lean_inc(x_188);
+x_192 = lean_metavar_ctx_find_decl(x_188, x_187);
+if (lean_obj_tag(x_192) == 0)
 {
-lean_object* x_189; uint8_t x_190; 
-x_189 = lean_ctor_get(x_2, 1);
-lean_inc(x_189);
-x_190 = lean_name_dec_eq(x_186, x_189);
-lean_dec(x_189);
-if (x_190 == 0)
-{
-lean_object* x_191; 
-lean_inc(x_186);
-lean_inc(x_187);
-x_191 = lean_metavar_ctx_find_decl(x_187, x_186);
-if (lean_obj_tag(x_191) == 0)
-{
-lean_object* x_192; lean_object* x_193; 
-lean_dec(x_187);
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_188);
 lean_dec(x_2);
 lean_dec(x_1);
-x_192 = lean_alloc_ctor(5, 1, 0);
-lean_ctor_set(x_192, 0, x_186);
-x_193 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_193, 0, x_192);
-lean_ctor_set(x_193, 1, x_185);
-return x_193;
+x_193 = lean_alloc_ctor(5, 1, 0);
+lean_ctor_set(x_193, 0, x_187);
+x_194 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_194, 0, x_193);
+lean_ctor_set(x_194, 1, x_186);
+return x_194;
 }
 else
 {
-uint8_t x_194; 
-x_194 = lean_ctor_get_uint8(x_2, sizeof(void*)*4 + 1);
-if (x_194 == 0)
+uint8_t x_195; 
+x_195 = lean_ctor_get_uint8(x_2, sizeof(void*)*4 + 1);
+if (x_195 == 0)
 {
-lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
-x_195 = lean_ctor_get(x_191, 0);
-lean_inc(x_195);
-lean_dec(x_191);
-x_196 = lean_ctor_get(x_195, 1);
+lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; uint8_t x_200; 
+x_196 = lean_ctor_get(x_192, 0);
 lean_inc(x_196);
-x_197 = lean_ctor_get(x_2, 2);
+lean_dec(x_192);
+x_197 = lean_ctor_get(x_196, 1);
 lean_inc(x_197);
-x_198 = lean_ctor_get(x_197, 1);
+x_198 = lean_ctor_get(x_2, 2);
 lean_inc(x_198);
-lean_dec(x_197);
-lean_inc(x_198);
-lean_inc(x_196);
-x_199 = l_Lean_LocalContext_isSubPrefixOf(x_196, x_198);
-if (x_199 == 0)
-{
-lean_object* x_200; lean_object* x_201; uint8_t x_202; 
-x_200 = lean_ctor_get(x_195, 3);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 0);
-lean_inc(x_201);
-x_202 = lean_nat_dec_eq(x_200, x_201);
-lean_dec(x_201);
-lean_dec(x_200);
-if (x_202 == 0)
-{
-lean_object* x_203; lean_object* x_204; 
+x_199 = lean_ctor_get(x_198, 1);
+lean_inc(x_199);
 lean_dec(x_198);
+lean_inc(x_199);
+lean_inc(x_197);
+x_200 = l_Lean_LocalContext_isSubPrefixOf(x_197, x_199);
+if (x_200 == 0)
+{
+lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_201 = lean_ctor_get(x_196, 3);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_188, 0);
+lean_inc(x_202);
+x_203 = lean_nat_dec_eq(x_201, x_202);
+lean_dec(x_202);
+lean_dec(x_201);
+if (x_203 == 0)
+{
+lean_object* x_204; lean_object* x_205; 
+lean_dec(x_199);
+lean_dec(x_197);
 lean_dec(x_196);
-lean_dec(x_195);
-lean_dec(x_187);
+lean_dec(x_188);
 lean_dec(x_2);
 lean_dec(x_1);
-x_203 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_203, 0, x_186);
-x_204 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_204, 0, x_203);
-lean_ctor_set(x_204, 1, x_185);
-return x_204;
+x_204 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_204, 0, x_187);
+x_205 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_205, 0, x_204);
+lean_ctor_set(x_205, 1, x_186);
+return x_205;
 }
 else
 {
-uint8_t x_205; 
-x_205 = lean_ctor_get_uint8(x_195, sizeof(void*)*4);
-if (x_205 == 0)
-{
 uint8_t x_206; 
-x_206 = lean_ctor_get_uint8(x_2, sizeof(void*)*4);
+x_206 = lean_ctor_get_uint8(x_196, sizeof(void*)*4);
 if (x_206 == 0)
 {
-lean_dec(x_198);
-lean_dec(x_196);
-lean_dec(x_195);
-lean_dec(x_187);
-lean_dec(x_186);
-lean_inc(x_1);
-x_4 = x_1;
-x_5 = x_185;
-goto block_11;
-}
-else
-{
 uint8_t x_207; 
-lean_inc(x_198);
-x_207 = l_Lean_LocalContext_isSubPrefixOf(x_198, x_196);
+x_207 = lean_ctor_get_uint8(x_2, sizeof(void*)*4);
 if (x_207 == 0)
 {
-lean_dec(x_198);
-lean_dec(x_195);
+lean_dec(x_199);
+lean_dec(x_197);
+lean_dec(x_196);
+lean_dec(x_188);
 lean_dec(x_187);
-lean_dec(x_186);
 lean_inc(x_1);
 x_4 = x_1;
-x_5 = x_185;
+x_5 = x_186;
 goto block_11;
 }
 else
 {
-lean_object* x_208; uint8_t x_209; 
-x_208 = lean_ctor_get(x_195, 2);
-lean_inc(x_208);
-lean_dec(x_195);
-lean_inc(x_208);
-lean_inc(x_198);
-x_209 = l_Lean_MetavarContext_isWellFormed___main(x_187, x_198, x_208);
-if (x_209 == 0)
+uint8_t x_208; 
+lean_inc(x_199);
+x_208 = l_Lean_LocalContext_isSubPrefixOf(x_199, x_197);
+if (x_208 == 0)
 {
-lean_object* x_210; lean_object* x_211; 
-lean_dec(x_208);
-lean_dec(x_198);
-lean_dec(x_2);
-lean_dec(x_1);
-x_210 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_210, 0, x_186);
-x_211 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_211, 0, x_210);
-lean_ctor_set(x_211, 1, x_185);
-return x_211;
+lean_dec(x_199);
+lean_dec(x_196);
+lean_dec(x_188);
+lean_dec(x_187);
+lean_inc(x_1);
+x_4 = x_1;
+x_5 = x_186;
+goto block_11;
 }
 else
 {
-lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_212 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_198, x_208, x_2, x_185);
-x_213 = lean_ctor_get(x_212, 1);
-lean_inc(x_213);
-x_214 = lean_ctor_get(x_212, 0);
-lean_inc(x_214);
-lean_dec(x_212);
-x_215 = lean_ctor_get(x_213, 0);
+lean_object* x_209; lean_object* x_210; uint8_t x_211; 
+x_209 = lean_ctor_get(x_196, 2);
+lean_inc(x_209);
+lean_dec(x_196);
+lean_inc(x_209);
+lean_inc(x_199);
+x_210 = l_Lean_MetavarContext_isWellFormed___main(x_188, x_199, x_209);
+x_211 = lean_unbox(x_210);
+lean_dec(x_210);
+if (x_211 == 0)
+{
+lean_object* x_212; lean_object* x_213; 
+lean_dec(x_209);
+lean_dec(x_199);
+lean_dec(x_2);
+lean_dec(x_1);
+x_212 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_212, 0, x_187);
+x_213 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_213, 0, x_212);
+lean_ctor_set(x_213, 1, x_186);
+return x_213;
+}
+else
+{
+lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; 
+x_214 = l_Lean_Meta_CheckAssignment_mkAuxMVar(x_199, x_209, x_2, x_186);
+x_215 = lean_ctor_get(x_214, 1);
 lean_inc(x_215);
-x_216 = lean_ctor_get(x_213, 1);
+x_216 = lean_ctor_get(x_214, 0);
 lean_inc(x_216);
-x_217 = lean_ctor_get(x_213, 2);
+lean_dec(x_214);
+x_217 = lean_ctor_get(x_215, 0);
 lean_inc(x_217);
-if (lean_is_exclusive(x_213)) {
- lean_ctor_release(x_213, 0);
- lean_ctor_release(x_213, 1);
- lean_ctor_release(x_213, 2);
- x_218 = x_213;
+x_218 = lean_ctor_get(x_215, 1);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_215, 2);
+lean_inc(x_219);
+if (lean_is_exclusive(x_215)) {
+ lean_ctor_release(x_215, 0);
+ lean_ctor_release(x_215, 1);
+ lean_ctor_release(x_215, 2);
+ x_220 = x_215;
 } else {
- lean_dec_ref(x_213);
- x_218 = lean_box(0);
+ lean_dec_ref(x_215);
+ x_220 = lean_box(0);
 }
-lean_inc(x_214);
-x_219 = lean_metavar_ctx_assign_expr(x_215, x_186, x_214);
-if (lean_is_scalar(x_218)) {
- x_220 = lean_alloc_ctor(0, 3, 0);
+lean_inc(x_216);
+x_221 = lean_metavar_ctx_assign_expr(x_217, x_187, x_216);
+if (lean_is_scalar(x_220)) {
+ x_222 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_220 = x_218;
+ x_222 = x_220;
 }
-lean_ctor_set(x_220, 0, x_219);
-lean_ctor_set(x_220, 1, x_216);
-lean_ctor_set(x_220, 2, x_217);
-x_4 = x_214;
-x_5 = x_220;
-goto block_11;
-}
-}
-}
-}
-else
-{
-lean_object* x_221; lean_object* x_222; 
-lean_dec(x_198);
-lean_dec(x_196);
-lean_dec(x_195);
-lean_dec(x_187);
-lean_dec(x_2);
-lean_dec(x_1);
-x_221 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_221, 0, x_186);
-x_222 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_222, 0, x_221);
-lean_ctor_set(x_222, 1, x_185);
-return x_222;
-}
-}
-}
-else
-{
-lean_dec(x_198);
-lean_dec(x_196);
-lean_dec(x_195);
-lean_dec(x_187);
-lean_dec(x_186);
-lean_inc(x_1);
-x_4 = x_1;
-x_5 = x_185;
+lean_ctor_set(x_222, 1, x_218);
+lean_ctor_set(x_222, 2, x_219);
+x_4 = x_216;
+x_5 = x_222;
 goto block_11;
 }
 }
+}
+}
 else
 {
 lean_object* x_223; lean_object* x_224; 
-lean_dec(x_191);
-lean_dec(x_187);
-lean_dec(x_186);
+lean_dec(x_199);
+lean_dec(x_197);
+lean_dec(x_196);
+lean_dec(x_188);
 lean_dec(x_2);
 lean_dec(x_1);
-x_223 = lean_box(1);
+x_223 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_223, 0, x_187);
 x_224 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_185);
+lean_ctor_set(x_224, 1, x_186);
 return x_224;
 }
 }
 }
 else
 {
-lean_object* x_225; lean_object* x_226; 
+lean_dec(x_199);
+lean_dec(x_197);
+lean_dec(x_196);
+lean_dec(x_188);
+lean_dec(x_187);
+lean_inc(x_1);
+x_4 = x_1;
+x_5 = x_186;
+goto block_11;
+}
+}
+else
+{
+lean_object* x_225; lean_object* x_226; 
+lean_dec(x_192);
+lean_dec(x_188);
 lean_dec(x_187);
-lean_dec(x_186);
 lean_dec(x_2);
 lean_dec(x_1);
-x_225 = lean_box(0);
+x_225 = lean_box(1);
 x_226 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_226, 0, x_225);
-lean_ctor_set(x_226, 1, x_185);
+lean_ctor_set(x_226, 1, x_186);
 return x_226;
 }
 }
+}
 else
 {
-lean_object* x_227; lean_object* x_228; uint8_t x_244; 
-lean_dec(x_187);
-lean_dec(x_186);
-x_227 = lean_ctor_get(x_188, 0);
-lean_inc(x_227);
+lean_object* x_227; lean_object* x_228; 
 lean_dec(x_188);
-x_244 = lean_expr_has_expr_mvar(x_227);
-if (x_244 == 0)
+lean_dec(x_187);
+lean_dec(x_2);
+lean_dec(x_1);
+x_227 = lean_box(0);
+x_228 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_228, 0, x_227);
+lean_ctor_set(x_228, 1, x_186);
+return x_228;
+}
+}
+else
 {
-uint8_t x_245; 
-x_245 = lean_expr_has_fvar(x_227);
-if (x_245 == 0)
+lean_object* x_229; lean_object* x_230; uint8_t x_246; 
+lean_dec(x_188);
+lean_dec(x_187);
+x_229 = lean_ctor_get(x_189, 0);
+lean_inc(x_229);
+lean_dec(x_189);
+x_246 = l_Lean_Expr_hasExprMVar(x_229);
+if (x_246 == 0)
 {
-x_4 = x_227;
-x_5 = x_185;
+uint8_t x_247; 
+x_247 = l_Lean_Expr_hasFVar(x_229);
+if (x_247 == 0)
+{
+x_4 = x_229;
+x_5 = x_186;
 goto block_11;
 }
 else
 {
-lean_object* x_246; 
-x_246 = lean_box(0);
-x_228 = x_246;
-goto block_243;
+lean_object* x_248; 
+x_248 = lean_box(0);
+x_230 = x_248;
+goto block_245;
 }
 }
 else
 {
-lean_object* x_247; 
-x_247 = lean_box(0);
-x_228 = x_247;
-goto block_243;
+lean_object* x_249; 
+x_249 = lean_box(0);
+x_230 = x_249;
+goto block_245;
 }
-block_243:
-{
-lean_object* x_229; lean_object* x_230; 
-lean_dec(x_228);
-x_229 = l_Lean_Meta_CheckAssignment_findCached(x_227, x_2, x_185);
-x_230 = lean_ctor_get(x_229, 0);
-lean_inc(x_230);
-if (lean_obj_tag(x_230) == 0)
+block_245:
 {
 lean_object* x_231; lean_object* x_232; 
-x_231 = lean_ctor_get(x_229, 1);
-lean_inc(x_231);
-lean_dec(x_229);
-lean_inc(x_2);
-lean_inc(x_227);
-x_232 = l_Lean_Meta_CheckAssignment_check___main(x_227, x_2, x_231);
+lean_dec(x_230);
+x_231 = l_Lean_Meta_CheckAssignment_findCached(x_229, x_2, x_186);
+x_232 = lean_ctor_get(x_231, 0);
+lean_inc(x_232);
 if (lean_obj_tag(x_232) == 0)
 {
-lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; 
-x_233 = lean_ctor_get(x_232, 0);
+lean_object* x_233; lean_object* x_234; 
+x_233 = lean_ctor_get(x_231, 1);
 lean_inc(x_233);
-x_234 = lean_ctor_get(x_232, 1);
-lean_inc(x_234);
-lean_dec(x_232);
-lean_inc(x_233);
-x_235 = l_Lean_Meta_CheckAssignment_cache(x_227, x_233, x_2, x_234);
-x_236 = lean_ctor_get(x_235, 1);
+lean_dec(x_231);
+lean_inc(x_2);
+lean_inc(x_229);
+x_234 = l_Lean_Meta_CheckAssignment_check___main(x_229, x_2, x_233);
+if (lean_obj_tag(x_234) == 0)
+{
+lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; 
+x_235 = lean_ctor_get(x_234, 0);
+lean_inc(x_235);
+x_236 = lean_ctor_get(x_234, 1);
 lean_inc(x_236);
-lean_dec(x_235);
-x_4 = x_233;
-x_5 = x_236;
-goto block_11;
-}
-else
-{
-lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; 
-lean_dec(x_227);
-lean_dec(x_2);
-lean_dec(x_1);
-x_237 = lean_ctor_get(x_232, 0);
-lean_inc(x_237);
-x_238 = lean_ctor_get(x_232, 1);
+lean_dec(x_234);
+lean_inc(x_235);
+x_237 = l_Lean_Meta_CheckAssignment_cache(x_229, x_235, x_2, x_236);
+x_238 = lean_ctor_get(x_237, 1);
 lean_inc(x_238);
-if (lean_is_exclusive(x_232)) {
- lean_ctor_release(x_232, 0);
- lean_ctor_release(x_232, 1);
- x_239 = x_232;
-} else {
- lean_dec_ref(x_232);
- x_239 = lean_box(0);
+lean_dec(x_237);
+x_4 = x_235;
+x_5 = x_238;
+goto block_11;
 }
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(1, 2, 0);
+else
+{
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
+lean_dec(x_229);
+lean_dec(x_2);
+lean_dec(x_1);
+x_239 = lean_ctor_get(x_234, 0);
+lean_inc(x_239);
+x_240 = lean_ctor_get(x_234, 1);
+lean_inc(x_240);
+if (lean_is_exclusive(x_234)) {
+ lean_ctor_release(x_234, 0);
+ lean_ctor_release(x_234, 1);
+ x_241 = x_234;
 } else {
- x_240 = x_239;
+ lean_dec_ref(x_234);
+ x_241 = lean_box(0);
 }
-lean_ctor_set(x_240, 0, x_237);
-lean_ctor_set(x_240, 1, x_238);
-return x_240;
+if (lean_is_scalar(x_241)) {
+ x_242 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_242 = x_241;
+}
+lean_ctor_set(x_242, 0, x_239);
+lean_ctor_set(x_242, 1, x_240);
+return x_242;
 }
 }
 else
 {
-lean_object* x_241; lean_object* x_242; 
-lean_dec(x_227);
-x_241 = lean_ctor_get(x_229, 1);
-lean_inc(x_241);
+lean_object* x_243; lean_object* x_244; 
 lean_dec(x_229);
-x_242 = lean_ctor_get(x_230, 0);
-lean_inc(x_242);
-lean_dec(x_230);
-x_4 = x_242;
-x_5 = x_241;
+x_243 = lean_ctor_get(x_231, 1);
+lean_inc(x_243);
+lean_dec(x_231);
+x_244 = lean_ctor_get(x_232, 0);
+lean_inc(x_244);
+lean_dec(x_232);
+x_4 = x_244;
+x_5 = x_243;
 goto block_11;
 }
 }
@@ -5923,1349 +5945,1360 @@ goto block_11;
 }
 else
 {
-uint8_t x_248; 
+uint8_t x_250; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_248 = !lean_is_exclusive(x_122);
-if (x_248 == 0)
+x_250 = !lean_is_exclusive(x_122);
+if (x_250 == 0)
 {
-lean_object* x_249; lean_object* x_250; 
-x_249 = lean_ctor_get(x_122, 0);
-lean_dec(x_249);
-x_250 = lean_ctor_get(x_123, 0);
-lean_inc(x_250);
+lean_object* x_251; lean_object* x_252; 
+x_251 = lean_ctor_get(x_122, 0);
+lean_dec(x_251);
+x_252 = lean_ctor_get(x_123, 0);
+lean_inc(x_252);
 lean_dec(x_123);
-lean_ctor_set(x_122, 0, x_250);
+lean_ctor_set(x_122, 0, x_252);
 return x_122;
 }
 else
 {
-lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_251 = lean_ctor_get(x_122, 1);
-lean_inc(x_251);
+lean_object* x_253; lean_object* x_254; lean_object* x_255; 
+x_253 = lean_ctor_get(x_122, 1);
+lean_inc(x_253);
 lean_dec(x_122);
-x_252 = lean_ctor_get(x_123, 0);
-lean_inc(x_252);
+x_254 = lean_ctor_get(x_123, 0);
+lean_inc(x_254);
 lean_dec(x_123);
-x_253 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_253, 0, x_252);
-lean_ctor_set(x_253, 1, x_251);
-return x_253;
+x_255 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_255, 0, x_254);
+lean_ctor_set(x_255, 1, x_253);
+return x_255;
 }
 }
 }
 }
 case 5:
 {
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_294; uint8_t x_310; 
-x_260 = lean_ctor_get(x_1, 0);
-lean_inc(x_260);
-x_261 = lean_ctor_get(x_1, 1);
-lean_inc(x_261);
-x_310 = lean_expr_has_expr_mvar(x_260);
-if (x_310 == 0)
+lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_296; uint8_t x_312; 
+x_262 = lean_ctor_get(x_1, 0);
+lean_inc(x_262);
+x_263 = lean_ctor_get(x_1, 1);
+lean_inc(x_263);
+x_312 = l_Lean_Expr_hasExprMVar(x_262);
+if (x_312 == 0)
 {
-uint8_t x_311; 
-x_311 = lean_expr_has_fvar(x_260);
-if (x_311 == 0)
+uint8_t x_313; 
+x_313 = l_Lean_Expr_hasFVar(x_262);
+if (x_313 == 0)
 {
-x_262 = x_260;
-x_263 = x_3;
-goto block_293;
+x_264 = x_262;
+x_265 = x_3;
+goto block_295;
 }
 else
 {
-lean_object* x_312; 
-x_312 = lean_box(0);
-x_294 = x_312;
-goto block_309;
+lean_object* x_314; 
+x_314 = lean_box(0);
+x_296 = x_314;
+goto block_311;
 }
 }
 else
 {
-lean_object* x_313; 
-x_313 = lean_box(0);
-x_294 = x_313;
-goto block_309;
+lean_object* x_315; 
+x_315 = lean_box(0);
+x_296 = x_315;
+goto block_311;
 }
-block_293:
+block_295:
 {
-lean_object* x_264; lean_object* x_265; lean_object* x_273; uint8_t x_289; 
-x_289 = lean_expr_has_expr_mvar(x_261);
-if (x_289 == 0)
+lean_object* x_266; lean_object* x_267; lean_object* x_275; uint8_t x_291; 
+x_291 = l_Lean_Expr_hasExprMVar(x_263);
+if (x_291 == 0)
 {
-uint8_t x_290; 
-x_290 = lean_expr_has_fvar(x_261);
-if (x_290 == 0)
+uint8_t x_292; 
+x_292 = l_Lean_Expr_hasFVar(x_263);
+if (x_292 == 0)
 {
 lean_dec(x_2);
-x_264 = x_261;
-x_265 = x_263;
-goto block_272;
+x_266 = x_263;
+x_267 = x_265;
+goto block_274;
 }
 else
 {
-lean_object* x_291; 
-x_291 = lean_box(0);
-x_273 = x_291;
-goto block_288;
+lean_object* x_293; 
+x_293 = lean_box(0);
+x_275 = x_293;
+goto block_290;
 }
 }
 else
 {
-lean_object* x_292; 
-x_292 = lean_box(0);
-x_273 = x_292;
-goto block_288;
+lean_object* x_294; 
+x_294 = lean_box(0);
+x_275 = x_294;
+goto block_290;
 }
-block_272:
+block_274:
 {
 if (lean_obj_tag(x_1) == 5)
 {
-lean_object* x_266; lean_object* x_267; 
-x_266 = lean_expr_update_app(x_1, x_262, x_264);
-x_267 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_267, 0, x_266);
-lean_ctor_set(x_267, 1, x_265);
-return x_267;
+lean_object* x_268; lean_object* x_269; 
+x_268 = lean_expr_update_app(x_1, x_264, x_266);
+x_269 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_269, 0, x_268);
+lean_ctor_set(x_269, 1, x_267);
+return x_269;
 }
 else
 {
-lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; 
+lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; 
+lean_dec(x_266);
 lean_dec(x_264);
-lean_dec(x_262);
 lean_dec(x_1);
-x_268 = l_Lean_Expr_inhabited;
-x_269 = l_Lean_Expr_updateApp_x21___closed__1;
-x_270 = lean_panic_fn(x_269);
-x_271 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_271, 0, x_270);
-lean_ctor_set(x_271, 1, x_265);
-return x_271;
+x_270 = l_Lean_Expr_Inhabited;
+x_271 = l_Lean_Expr_updateApp_x21___closed__1;
+x_272 = lean_panic_fn(x_271);
+x_273 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_273, 0, x_272);
+lean_ctor_set(x_273, 1, x_267);
+return x_273;
 }
 }
-block_288:
-{
-lean_object* x_274; lean_object* x_275; 
-lean_dec(x_273);
-x_274 = l_Lean_Meta_CheckAssignment_findCached(x_261, x_2, x_263);
-x_275 = lean_ctor_get(x_274, 0);
-lean_inc(x_275);
-if (lean_obj_tag(x_275) == 0)
+block_290:
 {
 lean_object* x_276; lean_object* x_277; 
-x_276 = lean_ctor_get(x_274, 1);
-lean_inc(x_276);
-lean_dec(x_274);
-lean_inc(x_2);
-lean_inc(x_261);
-x_277 = l_Lean_Meta_CheckAssignment_check___main(x_261, x_2, x_276);
+lean_dec(x_275);
+x_276 = l_Lean_Meta_CheckAssignment_findCached(x_263, x_2, x_265);
+x_277 = lean_ctor_get(x_276, 0);
+lean_inc(x_277);
 if (lean_obj_tag(x_277) == 0)
 {
-lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; 
-x_278 = lean_ctor_get(x_277, 0);
+lean_object* x_278; lean_object* x_279; 
+x_278 = lean_ctor_get(x_276, 1);
 lean_inc(x_278);
-x_279 = lean_ctor_get(x_277, 1);
-lean_inc(x_279);
-lean_dec(x_277);
-lean_inc(x_278);
-x_280 = l_Lean_Meta_CheckAssignment_cache(x_261, x_278, x_2, x_279);
-lean_dec(x_2);
-x_281 = lean_ctor_get(x_280, 1);
+lean_dec(x_276);
+lean_inc(x_2);
+lean_inc(x_263);
+x_279 = l_Lean_Meta_CheckAssignment_check___main(x_263, x_2, x_278);
+if (lean_obj_tag(x_279) == 0)
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+x_280 = lean_ctor_get(x_279, 0);
+lean_inc(x_280);
+x_281 = lean_ctor_get(x_279, 1);
 lean_inc(x_281);
-lean_dec(x_280);
-x_264 = x_278;
-x_265 = x_281;
-goto block_272;
+lean_dec(x_279);
+lean_inc(x_280);
+x_282 = l_Lean_Meta_CheckAssignment_cache(x_263, x_280, x_2, x_281);
+lean_dec(x_2);
+x_283 = lean_ctor_get(x_282, 1);
+lean_inc(x_283);
+lean_dec(x_282);
+x_266 = x_280;
+x_267 = x_283;
+goto block_274;
 }
 else
 {
-uint8_t x_282; 
-lean_dec(x_262);
-lean_dec(x_261);
+uint8_t x_284; 
+lean_dec(x_264);
+lean_dec(x_263);
 lean_dec(x_2);
 lean_dec(x_1);
-x_282 = !lean_is_exclusive(x_277);
-if (x_282 == 0)
+x_284 = !lean_is_exclusive(x_279);
+if (x_284 == 0)
 {
-return x_277;
+return x_279;
 }
 else
 {
-lean_object* x_283; lean_object* x_284; lean_object* x_285; 
-x_283 = lean_ctor_get(x_277, 0);
-x_284 = lean_ctor_get(x_277, 1);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_dec(x_277);
-x_285 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_285, 0, x_283);
-lean_ctor_set(x_285, 1, x_284);
-return x_285;
-}
-}
-}
-else
-{
-lean_object* x_286; lean_object* x_287; 
-lean_dec(x_261);
-lean_dec(x_2);
-x_286 = lean_ctor_get(x_274, 1);
+lean_object* x_285; lean_object* x_286; lean_object* x_287; 
+x_285 = lean_ctor_get(x_279, 0);
+x_286 = lean_ctor_get(x_279, 1);
 lean_inc(x_286);
-lean_dec(x_274);
-x_287 = lean_ctor_get(x_275, 0);
-lean_inc(x_287);
-lean_dec(x_275);
-x_264 = x_287;
-x_265 = x_286;
-goto block_272;
+lean_inc(x_285);
+lean_dec(x_279);
+x_287 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_287, 0, x_285);
+lean_ctor_set(x_287, 1, x_286);
+return x_287;
 }
 }
 }
-block_309:
+else
 {
-lean_object* x_295; lean_object* x_296; 
-lean_dec(x_294);
-x_295 = l_Lean_Meta_CheckAssignment_findCached(x_260, x_2, x_3);
-x_296 = lean_ctor_get(x_295, 0);
-lean_inc(x_296);
-if (lean_obj_tag(x_296) == 0)
+lean_object* x_288; lean_object* x_289; 
+lean_dec(x_263);
+lean_dec(x_2);
+x_288 = lean_ctor_get(x_276, 1);
+lean_inc(x_288);
+lean_dec(x_276);
+x_289 = lean_ctor_get(x_277, 0);
+lean_inc(x_289);
+lean_dec(x_277);
+x_266 = x_289;
+x_267 = x_288;
+goto block_274;
+}
+}
+}
+block_311:
 {
 lean_object* x_297; lean_object* x_298; 
-x_297 = lean_ctor_get(x_295, 1);
-lean_inc(x_297);
-lean_dec(x_295);
-lean_inc(x_2);
-lean_inc(x_260);
-x_298 = l_Lean_Meta_CheckAssignment_check___main(x_260, x_2, x_297);
+lean_dec(x_296);
+x_297 = l_Lean_Meta_CheckAssignment_findCached(x_262, x_2, x_3);
+x_298 = lean_ctor_get(x_297, 0);
+lean_inc(x_298);
 if (lean_obj_tag(x_298) == 0)
 {
-lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; 
-x_299 = lean_ctor_get(x_298, 0);
+lean_object* x_299; lean_object* x_300; 
+x_299 = lean_ctor_get(x_297, 1);
 lean_inc(x_299);
-x_300 = lean_ctor_get(x_298, 1);
-lean_inc(x_300);
-lean_dec(x_298);
-lean_inc(x_299);
-x_301 = l_Lean_Meta_CheckAssignment_cache(x_260, x_299, x_2, x_300);
-x_302 = lean_ctor_get(x_301, 1);
+lean_dec(x_297);
+lean_inc(x_2);
+lean_inc(x_262);
+x_300 = l_Lean_Meta_CheckAssignment_check___main(x_262, x_2, x_299);
+if (lean_obj_tag(x_300) == 0)
+{
+lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; 
+x_301 = lean_ctor_get(x_300, 0);
+lean_inc(x_301);
+x_302 = lean_ctor_get(x_300, 1);
 lean_inc(x_302);
-lean_dec(x_301);
-x_262 = x_299;
-x_263 = x_302;
-goto block_293;
+lean_dec(x_300);
+lean_inc(x_301);
+x_303 = l_Lean_Meta_CheckAssignment_cache(x_262, x_301, x_2, x_302);
+x_304 = lean_ctor_get(x_303, 1);
+lean_inc(x_304);
+lean_dec(x_303);
+x_264 = x_301;
+x_265 = x_304;
+goto block_295;
 }
 else
 {
-uint8_t x_303; 
-lean_dec(x_261);
-lean_dec(x_260);
+uint8_t x_305; 
+lean_dec(x_263);
+lean_dec(x_262);
 lean_dec(x_2);
 lean_dec(x_1);
-x_303 = !lean_is_exclusive(x_298);
-if (x_303 == 0)
+x_305 = !lean_is_exclusive(x_300);
+if (x_305 == 0)
 {
-return x_298;
+return x_300;
 }
 else
 {
-lean_object* x_304; lean_object* x_305; lean_object* x_306; 
-x_304 = lean_ctor_get(x_298, 0);
-x_305 = lean_ctor_get(x_298, 1);
-lean_inc(x_305);
-lean_inc(x_304);
-lean_dec(x_298);
-x_306 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_306, 0, x_304);
-lean_ctor_set(x_306, 1, x_305);
-return x_306;
-}
-}
-}
-else
-{
-lean_object* x_307; lean_object* x_308; 
-lean_dec(x_260);
-x_307 = lean_ctor_get(x_295, 1);
+lean_object* x_306; lean_object* x_307; lean_object* x_308; 
+x_306 = lean_ctor_get(x_300, 0);
+x_307 = lean_ctor_get(x_300, 1);
 lean_inc(x_307);
-lean_dec(x_295);
-x_308 = lean_ctor_get(x_296, 0);
-lean_inc(x_308);
-lean_dec(x_296);
-x_262 = x_308;
-x_263 = x_307;
-goto block_293;
+lean_inc(x_306);
+lean_dec(x_300);
+x_308 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_308, 0, x_306);
+lean_ctor_set(x_308, 1, x_307);
+return x_308;
+}
+}
+}
+else
+{
+lean_object* x_309; lean_object* x_310; 
+lean_dec(x_262);
+x_309 = lean_ctor_get(x_297, 1);
+lean_inc(x_309);
+lean_dec(x_297);
+x_310 = lean_ctor_get(x_298, 0);
+lean_inc(x_310);
+lean_dec(x_298);
+x_264 = x_310;
+x_265 = x_309;
+goto block_295;
 }
 }
 }
 case 6:
 {
-lean_object* x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_349; uint8_t x_365; 
-x_314 = lean_ctor_get(x_1, 1);
-lean_inc(x_314);
-x_315 = lean_ctor_get(x_1, 2);
-lean_inc(x_315);
-x_365 = lean_expr_has_expr_mvar(x_314);
-if (x_365 == 0)
+lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_352; uint8_t x_368; 
+x_316 = lean_ctor_get(x_1, 1);
+lean_inc(x_316);
+x_317 = lean_ctor_get(x_1, 2);
+lean_inc(x_317);
+x_368 = l_Lean_Expr_hasExprMVar(x_316);
+if (x_368 == 0)
 {
-uint8_t x_366; 
-x_366 = lean_expr_has_fvar(x_314);
-if (x_366 == 0)
+uint8_t x_369; 
+x_369 = l_Lean_Expr_hasFVar(x_316);
+if (x_369 == 0)
 {
-x_316 = x_314;
-x_317 = x_3;
-goto block_348;
+x_318 = x_316;
+x_319 = x_3;
+goto block_351;
 }
 else
 {
-lean_object* x_367; 
-x_367 = lean_box(0);
-x_349 = x_367;
-goto block_364;
+lean_object* x_370; 
+x_370 = lean_box(0);
+x_352 = x_370;
+goto block_367;
 }
 }
 else
 {
-lean_object* x_368; 
-x_368 = lean_box(0);
-x_349 = x_368;
-goto block_364;
+lean_object* x_371; 
+x_371 = lean_box(0);
+x_352 = x_371;
+goto block_367;
 }
-block_348:
+block_351:
 {
-lean_object* x_318; lean_object* x_319; lean_object* x_328; uint8_t x_344; 
-x_344 = lean_expr_has_expr_mvar(x_315);
-if (x_344 == 0)
+lean_object* x_320; lean_object* x_321; lean_object* x_331; uint8_t x_347; 
+x_347 = l_Lean_Expr_hasExprMVar(x_317);
+if (x_347 == 0)
 {
-uint8_t x_345; 
-x_345 = lean_expr_has_fvar(x_315);
-if (x_345 == 0)
+uint8_t x_348; 
+x_348 = l_Lean_Expr_hasFVar(x_317);
+if (x_348 == 0)
 {
 lean_dec(x_2);
-x_318 = x_315;
-x_319 = x_317;
-goto block_327;
+x_320 = x_317;
+x_321 = x_319;
+goto block_330;
 }
 else
 {
-lean_object* x_346; 
-x_346 = lean_box(0);
-x_328 = x_346;
-goto block_343;
+lean_object* x_349; 
+x_349 = lean_box(0);
+x_331 = x_349;
+goto block_346;
 }
 }
 else
 {
-lean_object* x_347; 
-x_347 = lean_box(0);
-x_328 = x_347;
-goto block_343;
+lean_object* x_350; 
+x_350 = lean_box(0);
+x_331 = x_350;
+goto block_346;
 }
-block_327:
+block_330:
 {
 if (lean_obj_tag(x_1) == 6)
 {
-uint8_t x_320; lean_object* x_321; lean_object* x_322; 
-x_320 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_321 = lean_expr_update_lambda(x_1, x_320, x_316, x_318);
-x_322 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_322, 0, x_321);
-lean_ctor_set(x_322, 1, x_319);
-return x_322;
+uint64_t x_322; uint8_t x_323; lean_object* x_324; lean_object* x_325; 
+x_322 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_323 = (uint8_t)((x_322 << 24) >> 61);
+x_324 = lean_expr_update_lambda(x_1, x_323, x_318, x_320);
+x_325 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_325, 0, x_324);
+lean_ctor_set(x_325, 1, x_321);
+return x_325;
 }
 else
 {
-lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; 
+lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; 
+lean_dec(x_320);
 lean_dec(x_318);
-lean_dec(x_316);
 lean_dec(x_1);
-x_323 = l_Lean_Expr_inhabited;
-x_324 = l_Lean_Expr_updateLambdaE_x21___closed__1;
-x_325 = lean_panic_fn(x_324);
-x_326 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_326, 0, x_325);
-lean_ctor_set(x_326, 1, x_319);
-return x_326;
+x_326 = l_Lean_Expr_Inhabited;
+x_327 = l_Lean_Expr_updateLambdaE_x21___closed__1;
+x_328 = lean_panic_fn(x_327);
+x_329 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_329, 0, x_328);
+lean_ctor_set(x_329, 1, x_321);
+return x_329;
 }
 }
-block_343:
+block_346:
 {
-lean_object* x_329; lean_object* x_330; 
-lean_dec(x_328);
-x_329 = l_Lean_Meta_CheckAssignment_findCached(x_315, x_2, x_317);
-x_330 = lean_ctor_get(x_329, 0);
-lean_inc(x_330);
-if (lean_obj_tag(x_330) == 0)
-{
-lean_object* x_331; lean_object* x_332; 
-x_331 = lean_ctor_get(x_329, 1);
-lean_inc(x_331);
-lean_dec(x_329);
-lean_inc(x_2);
-lean_inc(x_315);
-x_332 = l_Lean_Meta_CheckAssignment_check___main(x_315, x_2, x_331);
-if (lean_obj_tag(x_332) == 0)
-{
-lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; 
+lean_object* x_332; lean_object* x_333; 
+lean_dec(x_331);
+x_332 = l_Lean_Meta_CheckAssignment_findCached(x_317, x_2, x_319);
 x_333 = lean_ctor_get(x_332, 0);
 lean_inc(x_333);
+if (lean_obj_tag(x_333) == 0)
+{
+lean_object* x_334; lean_object* x_335; 
 x_334 = lean_ctor_get(x_332, 1);
 lean_inc(x_334);
 lean_dec(x_332);
-lean_inc(x_333);
-x_335 = l_Lean_Meta_CheckAssignment_cache(x_315, x_333, x_2, x_334);
-lean_dec(x_2);
-x_336 = lean_ctor_get(x_335, 1);
+lean_inc(x_2);
+lean_inc(x_317);
+x_335 = l_Lean_Meta_CheckAssignment_check___main(x_317, x_2, x_334);
+if (lean_obj_tag(x_335) == 0)
+{
+lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; 
+x_336 = lean_ctor_get(x_335, 0);
 lean_inc(x_336);
+x_337 = lean_ctor_get(x_335, 1);
+lean_inc(x_337);
 lean_dec(x_335);
-x_318 = x_333;
-x_319 = x_336;
-goto block_327;
+lean_inc(x_336);
+x_338 = l_Lean_Meta_CheckAssignment_cache(x_317, x_336, x_2, x_337);
+lean_dec(x_2);
+x_339 = lean_ctor_get(x_338, 1);
+lean_inc(x_339);
+lean_dec(x_338);
+x_320 = x_336;
+x_321 = x_339;
+goto block_330;
 }
 else
 {
-uint8_t x_337; 
-lean_dec(x_316);
-lean_dec(x_315);
+uint8_t x_340; 
+lean_dec(x_318);
+lean_dec(x_317);
 lean_dec(x_2);
 lean_dec(x_1);
-x_337 = !lean_is_exclusive(x_332);
-if (x_337 == 0)
+x_340 = !lean_is_exclusive(x_335);
+if (x_340 == 0)
 {
-return x_332;
+return x_335;
 }
 else
 {
-lean_object* x_338; lean_object* x_339; lean_object* x_340; 
-x_338 = lean_ctor_get(x_332, 0);
-x_339 = lean_ctor_get(x_332, 1);
-lean_inc(x_339);
-lean_inc(x_338);
-lean_dec(x_332);
-x_340 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_340, 0, x_338);
-lean_ctor_set(x_340, 1, x_339);
-return x_340;
-}
-}
-}
-else
-{
-lean_object* x_341; lean_object* x_342; 
-lean_dec(x_315);
-lean_dec(x_2);
-x_341 = lean_ctor_get(x_329, 1);
-lean_inc(x_341);
-lean_dec(x_329);
-x_342 = lean_ctor_get(x_330, 0);
+lean_object* x_341; lean_object* x_342; lean_object* x_343; 
+x_341 = lean_ctor_get(x_335, 0);
+x_342 = lean_ctor_get(x_335, 1);
 lean_inc(x_342);
-lean_dec(x_330);
-x_318 = x_342;
-x_319 = x_341;
-goto block_327;
+lean_inc(x_341);
+lean_dec(x_335);
+x_343 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_343, 0, x_341);
+lean_ctor_set(x_343, 1, x_342);
+return x_343;
 }
 }
 }
-block_364:
+else
 {
-lean_object* x_350; lean_object* x_351; 
-lean_dec(x_349);
-x_350 = l_Lean_Meta_CheckAssignment_findCached(x_314, x_2, x_3);
-x_351 = lean_ctor_get(x_350, 0);
-lean_inc(x_351);
-if (lean_obj_tag(x_351) == 0)
+lean_object* x_344; lean_object* x_345; 
+lean_dec(x_317);
+lean_dec(x_2);
+x_344 = lean_ctor_get(x_332, 1);
+lean_inc(x_344);
+lean_dec(x_332);
+x_345 = lean_ctor_get(x_333, 0);
+lean_inc(x_345);
+lean_dec(x_333);
+x_320 = x_345;
+x_321 = x_344;
+goto block_330;
+}
+}
+}
+block_367:
 {
-lean_object* x_352; lean_object* x_353; 
-x_352 = lean_ctor_get(x_350, 1);
-lean_inc(x_352);
-lean_dec(x_350);
-lean_inc(x_2);
-lean_inc(x_314);
-x_353 = l_Lean_Meta_CheckAssignment_check___main(x_314, x_2, x_352);
-if (lean_obj_tag(x_353) == 0)
-{
-lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; 
+lean_object* x_353; lean_object* x_354; 
+lean_dec(x_352);
+x_353 = l_Lean_Meta_CheckAssignment_findCached(x_316, x_2, x_3);
 x_354 = lean_ctor_get(x_353, 0);
 lean_inc(x_354);
+if (lean_obj_tag(x_354) == 0)
+{
+lean_object* x_355; lean_object* x_356; 
 x_355 = lean_ctor_get(x_353, 1);
 lean_inc(x_355);
 lean_dec(x_353);
-lean_inc(x_354);
-x_356 = l_Lean_Meta_CheckAssignment_cache(x_314, x_354, x_2, x_355);
-x_357 = lean_ctor_get(x_356, 1);
+lean_inc(x_2);
+lean_inc(x_316);
+x_356 = l_Lean_Meta_CheckAssignment_check___main(x_316, x_2, x_355);
+if (lean_obj_tag(x_356) == 0)
+{
+lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; 
+x_357 = lean_ctor_get(x_356, 0);
 lean_inc(x_357);
+x_358 = lean_ctor_get(x_356, 1);
+lean_inc(x_358);
 lean_dec(x_356);
-x_316 = x_354;
-x_317 = x_357;
-goto block_348;
+lean_inc(x_357);
+x_359 = l_Lean_Meta_CheckAssignment_cache(x_316, x_357, x_2, x_358);
+x_360 = lean_ctor_get(x_359, 1);
+lean_inc(x_360);
+lean_dec(x_359);
+x_318 = x_357;
+x_319 = x_360;
+goto block_351;
 }
 else
 {
-uint8_t x_358; 
-lean_dec(x_315);
-lean_dec(x_314);
+uint8_t x_361; 
+lean_dec(x_317);
+lean_dec(x_316);
 lean_dec(x_2);
 lean_dec(x_1);
-x_358 = !lean_is_exclusive(x_353);
-if (x_358 == 0)
+x_361 = !lean_is_exclusive(x_356);
+if (x_361 == 0)
 {
-return x_353;
+return x_356;
 }
 else
 {
-lean_object* x_359; lean_object* x_360; lean_object* x_361; 
-x_359 = lean_ctor_get(x_353, 0);
-x_360 = lean_ctor_get(x_353, 1);
-lean_inc(x_360);
-lean_inc(x_359);
-lean_dec(x_353);
-x_361 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_361, 0, x_359);
-lean_ctor_set(x_361, 1, x_360);
-return x_361;
-}
-}
-}
-else
-{
-lean_object* x_362; lean_object* x_363; 
-lean_dec(x_314);
-x_362 = lean_ctor_get(x_350, 1);
-lean_inc(x_362);
-lean_dec(x_350);
-x_363 = lean_ctor_get(x_351, 0);
+lean_object* x_362; lean_object* x_363; lean_object* x_364; 
+x_362 = lean_ctor_get(x_356, 0);
+x_363 = lean_ctor_get(x_356, 1);
 lean_inc(x_363);
-lean_dec(x_351);
-x_316 = x_363;
-x_317 = x_362;
-goto block_348;
+lean_inc(x_362);
+lean_dec(x_356);
+x_364 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_364, 0, x_362);
+lean_ctor_set(x_364, 1, x_363);
+return x_364;
+}
+}
+}
+else
+{
+lean_object* x_365; lean_object* x_366; 
+lean_dec(x_316);
+x_365 = lean_ctor_get(x_353, 1);
+lean_inc(x_365);
+lean_dec(x_353);
+x_366 = lean_ctor_get(x_354, 0);
+lean_inc(x_366);
+lean_dec(x_354);
+x_318 = x_366;
+x_319 = x_365;
+goto block_351;
 }
 }
 }
 case 7:
 {
-lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_404; uint8_t x_420; 
-x_369 = lean_ctor_get(x_1, 1);
-lean_inc(x_369);
-x_370 = lean_ctor_get(x_1, 2);
-lean_inc(x_370);
-x_420 = lean_expr_has_expr_mvar(x_369);
-if (x_420 == 0)
+lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_408; uint8_t x_424; 
+x_372 = lean_ctor_get(x_1, 1);
+lean_inc(x_372);
+x_373 = lean_ctor_get(x_1, 2);
+lean_inc(x_373);
+x_424 = l_Lean_Expr_hasExprMVar(x_372);
+if (x_424 == 0)
 {
-uint8_t x_421; 
-x_421 = lean_expr_has_fvar(x_369);
-if (x_421 == 0)
+uint8_t x_425; 
+x_425 = l_Lean_Expr_hasFVar(x_372);
+if (x_425 == 0)
 {
-x_371 = x_369;
-x_372 = x_3;
-goto block_403;
+x_374 = x_372;
+x_375 = x_3;
+goto block_407;
 }
 else
 {
-lean_object* x_422; 
-x_422 = lean_box(0);
-x_404 = x_422;
-goto block_419;
+lean_object* x_426; 
+x_426 = lean_box(0);
+x_408 = x_426;
+goto block_423;
 }
 }
 else
 {
-lean_object* x_423; 
-x_423 = lean_box(0);
-x_404 = x_423;
-goto block_419;
+lean_object* x_427; 
+x_427 = lean_box(0);
+x_408 = x_427;
+goto block_423;
 }
-block_403:
+block_407:
 {
-lean_object* x_373; lean_object* x_374; lean_object* x_383; uint8_t x_399; 
-x_399 = lean_expr_has_expr_mvar(x_370);
-if (x_399 == 0)
+lean_object* x_376; lean_object* x_377; lean_object* x_387; uint8_t x_403; 
+x_403 = l_Lean_Expr_hasExprMVar(x_373);
+if (x_403 == 0)
 {
-uint8_t x_400; 
-x_400 = lean_expr_has_fvar(x_370);
-if (x_400 == 0)
+uint8_t x_404; 
+x_404 = l_Lean_Expr_hasFVar(x_373);
+if (x_404 == 0)
 {
 lean_dec(x_2);
-x_373 = x_370;
-x_374 = x_372;
-goto block_382;
+x_376 = x_373;
+x_377 = x_375;
+goto block_386;
 }
 else
 {
-lean_object* x_401; 
-x_401 = lean_box(0);
-x_383 = x_401;
-goto block_398;
+lean_object* x_405; 
+x_405 = lean_box(0);
+x_387 = x_405;
+goto block_402;
 }
 }
 else
 {
-lean_object* x_402; 
-x_402 = lean_box(0);
-x_383 = x_402;
-goto block_398;
+lean_object* x_406; 
+x_406 = lean_box(0);
+x_387 = x_406;
+goto block_402;
 }
-block_382:
+block_386:
 {
 if (lean_obj_tag(x_1) == 7)
 {
-uint8_t x_375; lean_object* x_376; lean_object* x_377; 
-x_375 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_376 = lean_expr_update_forall(x_1, x_375, x_371, x_373);
-x_377 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_377, 0, x_376);
-lean_ctor_set(x_377, 1, x_374);
-return x_377;
-}
-else
-{
-lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; 
-lean_dec(x_373);
-lean_dec(x_371);
-lean_dec(x_1);
-x_378 = l_Lean_Expr_inhabited;
-x_379 = l_Lean_Expr_updateForallE_x21___closed__1;
-x_380 = lean_panic_fn(x_379);
+uint64_t x_378; uint8_t x_379; lean_object* x_380; lean_object* x_381; 
+x_378 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_379 = (uint8_t)((x_378 << 24) >> 61);
+x_380 = lean_expr_update_forall(x_1, x_379, x_374, x_376);
 x_381 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_381, 0, x_380);
-lean_ctor_set(x_381, 1, x_374);
+lean_ctor_set(x_381, 1, x_377);
 return x_381;
 }
+else
+{
+lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; 
+lean_dec(x_376);
+lean_dec(x_374);
+lean_dec(x_1);
+x_382 = l_Lean_Expr_Inhabited;
+x_383 = l_Lean_Expr_updateForallE_x21___closed__1;
+x_384 = lean_panic_fn(x_383);
+x_385 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_385, 0, x_384);
+lean_ctor_set(x_385, 1, x_377);
+return x_385;
 }
-block_398:
+}
+block_402:
 {
-lean_object* x_384; lean_object* x_385; 
-lean_dec(x_383);
-x_384 = l_Lean_Meta_CheckAssignment_findCached(x_370, x_2, x_372);
-x_385 = lean_ctor_get(x_384, 0);
-lean_inc(x_385);
-if (lean_obj_tag(x_385) == 0)
-{
-lean_object* x_386; lean_object* x_387; 
-x_386 = lean_ctor_get(x_384, 1);
-lean_inc(x_386);
-lean_dec(x_384);
-lean_inc(x_2);
-lean_inc(x_370);
-x_387 = l_Lean_Meta_CheckAssignment_check___main(x_370, x_2, x_386);
-if (lean_obj_tag(x_387) == 0)
-{
-lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; 
-x_388 = lean_ctor_get(x_387, 0);
-lean_inc(x_388);
-x_389 = lean_ctor_get(x_387, 1);
+lean_object* x_388; lean_object* x_389; 
+lean_dec(x_387);
+x_388 = l_Lean_Meta_CheckAssignment_findCached(x_373, x_2, x_375);
+x_389 = lean_ctor_get(x_388, 0);
 lean_inc(x_389);
-lean_dec(x_387);
-lean_inc(x_388);
-x_390 = l_Lean_Meta_CheckAssignment_cache(x_370, x_388, x_2, x_389);
-lean_dec(x_2);
-x_391 = lean_ctor_get(x_390, 1);
-lean_inc(x_391);
-lean_dec(x_390);
-x_373 = x_388;
-x_374 = x_391;
-goto block_382;
-}
-else
+if (lean_obj_tag(x_389) == 0)
 {
-uint8_t x_392; 
-lean_dec(x_371);
-lean_dec(x_370);
-lean_dec(x_2);
-lean_dec(x_1);
-x_392 = !lean_is_exclusive(x_387);
-if (x_392 == 0)
-{
-return x_387;
-}
-else
-{
-lean_object* x_393; lean_object* x_394; lean_object* x_395; 
-x_393 = lean_ctor_get(x_387, 0);
-x_394 = lean_ctor_get(x_387, 1);
-lean_inc(x_394);
-lean_inc(x_393);
-lean_dec(x_387);
-x_395 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_395, 0, x_393);
-lean_ctor_set(x_395, 1, x_394);
-return x_395;
-}
-}
-}
-else
-{
-lean_object* x_396; lean_object* x_397; 
-lean_dec(x_370);
-lean_dec(x_2);
-x_396 = lean_ctor_get(x_384, 1);
-lean_inc(x_396);
-lean_dec(x_384);
-x_397 = lean_ctor_get(x_385, 0);
-lean_inc(x_397);
-lean_dec(x_385);
-x_373 = x_397;
-x_374 = x_396;
-goto block_382;
-}
-}
-}
-block_419:
-{
-lean_object* x_405; lean_object* x_406; 
-lean_dec(x_404);
-x_405 = l_Lean_Meta_CheckAssignment_findCached(x_369, x_2, x_3);
-x_406 = lean_ctor_get(x_405, 0);
-lean_inc(x_406);
-if (lean_obj_tag(x_406) == 0)
-{
-lean_object* x_407; lean_object* x_408; 
-x_407 = lean_ctor_get(x_405, 1);
-lean_inc(x_407);
-lean_dec(x_405);
+lean_object* x_390; lean_object* x_391; 
+x_390 = lean_ctor_get(x_388, 1);
+lean_inc(x_390);
+lean_dec(x_388);
 lean_inc(x_2);
-lean_inc(x_369);
-x_408 = l_Lean_Meta_CheckAssignment_check___main(x_369, x_2, x_407);
-if (lean_obj_tag(x_408) == 0)
+lean_inc(x_373);
+x_391 = l_Lean_Meta_CheckAssignment_check___main(x_373, x_2, x_390);
+if (lean_obj_tag(x_391) == 0)
 {
-lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; 
-x_409 = lean_ctor_get(x_408, 0);
-lean_inc(x_409);
-x_410 = lean_ctor_get(x_408, 1);
-lean_inc(x_410);
-lean_dec(x_408);
-lean_inc(x_409);
-x_411 = l_Lean_Meta_CheckAssignment_cache(x_369, x_409, x_2, x_410);
-x_412 = lean_ctor_get(x_411, 1);
-lean_inc(x_412);
-lean_dec(x_411);
-x_371 = x_409;
-x_372 = x_412;
-goto block_403;
+lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; 
+x_392 = lean_ctor_get(x_391, 0);
+lean_inc(x_392);
+x_393 = lean_ctor_get(x_391, 1);
+lean_inc(x_393);
+lean_dec(x_391);
+lean_inc(x_392);
+x_394 = l_Lean_Meta_CheckAssignment_cache(x_373, x_392, x_2, x_393);
+lean_dec(x_2);
+x_395 = lean_ctor_get(x_394, 1);
+lean_inc(x_395);
+lean_dec(x_394);
+x_376 = x_392;
+x_377 = x_395;
+goto block_386;
 }
 else
 {
-uint8_t x_413; 
-lean_dec(x_370);
-lean_dec(x_369);
+uint8_t x_396; 
+lean_dec(x_374);
+lean_dec(x_373);
 lean_dec(x_2);
 lean_dec(x_1);
-x_413 = !lean_is_exclusive(x_408);
-if (x_413 == 0)
+x_396 = !lean_is_exclusive(x_391);
+if (x_396 == 0)
 {
-return x_408;
+return x_391;
 }
 else
 {
-lean_object* x_414; lean_object* x_415; lean_object* x_416; 
-x_414 = lean_ctor_get(x_408, 0);
-x_415 = lean_ctor_get(x_408, 1);
-lean_inc(x_415);
-lean_inc(x_414);
+lean_object* x_397; lean_object* x_398; lean_object* x_399; 
+x_397 = lean_ctor_get(x_391, 0);
+x_398 = lean_ctor_get(x_391, 1);
+lean_inc(x_398);
+lean_inc(x_397);
+lean_dec(x_391);
+x_399 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_399, 0, x_397);
+lean_ctor_set(x_399, 1, x_398);
+return x_399;
+}
+}
+}
+else
+{
+lean_object* x_400; lean_object* x_401; 
+lean_dec(x_373);
+lean_dec(x_2);
+x_400 = lean_ctor_get(x_388, 1);
+lean_inc(x_400);
+lean_dec(x_388);
+x_401 = lean_ctor_get(x_389, 0);
+lean_inc(x_401);
+lean_dec(x_389);
+x_376 = x_401;
+x_377 = x_400;
+goto block_386;
+}
+}
+}
+block_423:
+{
+lean_object* x_409; lean_object* x_410; 
 lean_dec(x_408);
-x_416 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_416, 0, x_414);
-lean_ctor_set(x_416, 1, x_415);
-return x_416;
+x_409 = l_Lean_Meta_CheckAssignment_findCached(x_372, x_2, x_3);
+x_410 = lean_ctor_get(x_409, 0);
+lean_inc(x_410);
+if (lean_obj_tag(x_410) == 0)
+{
+lean_object* x_411; lean_object* x_412; 
+x_411 = lean_ctor_get(x_409, 1);
+lean_inc(x_411);
+lean_dec(x_409);
+lean_inc(x_2);
+lean_inc(x_372);
+x_412 = l_Lean_Meta_CheckAssignment_check___main(x_372, x_2, x_411);
+if (lean_obj_tag(x_412) == 0)
+{
+lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; 
+x_413 = lean_ctor_get(x_412, 0);
+lean_inc(x_413);
+x_414 = lean_ctor_get(x_412, 1);
+lean_inc(x_414);
+lean_dec(x_412);
+lean_inc(x_413);
+x_415 = l_Lean_Meta_CheckAssignment_cache(x_372, x_413, x_2, x_414);
+x_416 = lean_ctor_get(x_415, 1);
+lean_inc(x_416);
+lean_dec(x_415);
+x_374 = x_413;
+x_375 = x_416;
+goto block_407;
+}
+else
+{
+uint8_t x_417; 
+lean_dec(x_373);
+lean_dec(x_372);
+lean_dec(x_2);
+lean_dec(x_1);
+x_417 = !lean_is_exclusive(x_412);
+if (x_417 == 0)
+{
+return x_412;
+}
+else
+{
+lean_object* x_418; lean_object* x_419; lean_object* x_420; 
+x_418 = lean_ctor_get(x_412, 0);
+x_419 = lean_ctor_get(x_412, 1);
+lean_inc(x_419);
+lean_inc(x_418);
+lean_dec(x_412);
+x_420 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_420, 0, x_418);
+lean_ctor_set(x_420, 1, x_419);
+return x_420;
 }
 }
 }
 else
 {
-lean_object* x_417; lean_object* x_418; 
-lean_dec(x_369);
-x_417 = lean_ctor_get(x_405, 1);
-lean_inc(x_417);
-lean_dec(x_405);
-x_418 = lean_ctor_get(x_406, 0);
-lean_inc(x_418);
-lean_dec(x_406);
-x_371 = x_418;
-x_372 = x_417;
-goto block_403;
+lean_object* x_421; lean_object* x_422; 
+lean_dec(x_372);
+x_421 = lean_ctor_get(x_409, 1);
+lean_inc(x_421);
+lean_dec(x_409);
+x_422 = lean_ctor_get(x_410, 0);
+lean_inc(x_422);
+lean_dec(x_410);
+x_374 = x_422;
+x_375 = x_421;
+goto block_407;
 }
 }
 }
 case 8:
 {
-lean_object* x_424; lean_object* x_425; lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_482; uint8_t x_498; 
-x_424 = lean_ctor_get(x_1, 1);
-lean_inc(x_424);
-x_425 = lean_ctor_get(x_1, 2);
-lean_inc(x_425);
-x_426 = lean_ctor_get(x_1, 3);
-lean_inc(x_426);
-x_498 = lean_expr_has_expr_mvar(x_424);
-if (x_498 == 0)
+lean_object* x_428; lean_object* x_429; lean_object* x_430; lean_object* x_431; lean_object* x_432; lean_object* x_486; uint8_t x_502; 
+x_428 = lean_ctor_get(x_1, 1);
+lean_inc(x_428);
+x_429 = lean_ctor_get(x_1, 2);
+lean_inc(x_429);
+x_430 = lean_ctor_get(x_1, 3);
+lean_inc(x_430);
+x_502 = l_Lean_Expr_hasExprMVar(x_428);
+if (x_502 == 0)
 {
-uint8_t x_499; 
-x_499 = lean_expr_has_fvar(x_424);
-if (x_499 == 0)
+uint8_t x_503; 
+x_503 = l_Lean_Expr_hasFVar(x_428);
+if (x_503 == 0)
 {
-x_427 = x_424;
-x_428 = x_3;
-goto block_481;
+x_431 = x_428;
+x_432 = x_3;
+goto block_485;
 }
 else
 {
-lean_object* x_500; 
-x_500 = lean_box(0);
-x_482 = x_500;
-goto block_497;
+lean_object* x_504; 
+x_504 = lean_box(0);
+x_486 = x_504;
+goto block_501;
 }
 }
 else
 {
-lean_object* x_501; 
-x_501 = lean_box(0);
-x_482 = x_501;
-goto block_497;
+lean_object* x_505; 
+x_505 = lean_box(0);
+x_486 = x_505;
+goto block_501;
 }
-block_481:
+block_485:
 {
-lean_object* x_429; lean_object* x_430; lean_object* x_461; uint8_t x_477; 
-x_477 = lean_expr_has_expr_mvar(x_425);
-if (x_477 == 0)
+lean_object* x_433; lean_object* x_434; lean_object* x_465; uint8_t x_481; 
+x_481 = l_Lean_Expr_hasExprMVar(x_429);
+if (x_481 == 0)
 {
-uint8_t x_478; 
-x_478 = lean_expr_has_fvar(x_425);
-if (x_478 == 0)
+uint8_t x_482; 
+x_482 = l_Lean_Expr_hasFVar(x_429);
+if (x_482 == 0)
 {
-x_429 = x_425;
-x_430 = x_428;
-goto block_460;
+x_433 = x_429;
+x_434 = x_432;
+goto block_464;
 }
 else
 {
-lean_object* x_479; 
-x_479 = lean_box(0);
-x_461 = x_479;
-goto block_476;
+lean_object* x_483; 
+x_483 = lean_box(0);
+x_465 = x_483;
+goto block_480;
 }
 }
 else
 {
-lean_object* x_480; 
-x_480 = lean_box(0);
-x_461 = x_480;
-goto block_476;
+lean_object* x_484; 
+x_484 = lean_box(0);
+x_465 = x_484;
+goto block_480;
 }
-block_460:
+block_464:
 {
-lean_object* x_431; lean_object* x_432; lean_object* x_440; uint8_t x_456; 
-x_456 = lean_expr_has_expr_mvar(x_426);
-if (x_456 == 0)
+lean_object* x_435; lean_object* x_436; lean_object* x_444; uint8_t x_460; 
+x_460 = l_Lean_Expr_hasExprMVar(x_430);
+if (x_460 == 0)
 {
-uint8_t x_457; 
-x_457 = lean_expr_has_fvar(x_426);
-if (x_457 == 0)
+uint8_t x_461; 
+x_461 = l_Lean_Expr_hasFVar(x_430);
+if (x_461 == 0)
 {
 lean_dec(x_2);
-x_431 = x_426;
-x_432 = x_430;
-goto block_439;
+x_435 = x_430;
+x_436 = x_434;
+goto block_443;
 }
 else
 {
-lean_object* x_458; 
-x_458 = lean_box(0);
-x_440 = x_458;
-goto block_455;
+lean_object* x_462; 
+x_462 = lean_box(0);
+x_444 = x_462;
+goto block_459;
 }
 }
 else
 {
-lean_object* x_459; 
-x_459 = lean_box(0);
-x_440 = x_459;
-goto block_455;
+lean_object* x_463; 
+x_463 = lean_box(0);
+x_444 = x_463;
+goto block_459;
 }
-block_439:
+block_443:
 {
 if (lean_obj_tag(x_1) == 8)
 {
-lean_object* x_433; lean_object* x_434; 
-x_433 = lean_expr_update_let(x_1, x_427, x_429, x_431);
-x_434 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_434, 0, x_433);
-lean_ctor_set(x_434, 1, x_432);
-return x_434;
-}
-else
-{
-lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; 
-lean_dec(x_431);
-lean_dec(x_429);
-lean_dec(x_427);
-lean_dec(x_1);
-x_435 = l_Lean_Expr_inhabited;
-x_436 = l_Lean_Expr_updateLet_x21___closed__1;
-x_437 = lean_panic_fn(x_436);
+lean_object* x_437; lean_object* x_438; 
+x_437 = lean_expr_update_let(x_1, x_431, x_433, x_435);
 x_438 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_438, 0, x_437);
-lean_ctor_set(x_438, 1, x_432);
+lean_ctor_set(x_438, 1, x_436);
 return x_438;
 }
+else
+{
+lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; 
+lean_dec(x_435);
+lean_dec(x_433);
+lean_dec(x_431);
+lean_dec(x_1);
+x_439 = l_Lean_Expr_Inhabited;
+x_440 = l_Lean_Expr_updateLet_x21___closed__1;
+x_441 = lean_panic_fn(x_440);
+x_442 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_442, 0, x_441);
+lean_ctor_set(x_442, 1, x_436);
+return x_442;
 }
-block_455:
+}
+block_459:
 {
-lean_object* x_441; lean_object* x_442; 
-lean_dec(x_440);
-x_441 = l_Lean_Meta_CheckAssignment_findCached(x_426, x_2, x_430);
-x_442 = lean_ctor_get(x_441, 0);
-lean_inc(x_442);
-if (lean_obj_tag(x_442) == 0)
-{
-lean_object* x_443; lean_object* x_444; 
-x_443 = lean_ctor_get(x_441, 1);
-lean_inc(x_443);
-lean_dec(x_441);
-lean_inc(x_2);
-lean_inc(x_426);
-x_444 = l_Lean_Meta_CheckAssignment_check___main(x_426, x_2, x_443);
-if (lean_obj_tag(x_444) == 0)
-{
-lean_object* x_445; lean_object* x_446; lean_object* x_447; lean_object* x_448; 
-x_445 = lean_ctor_get(x_444, 0);
-lean_inc(x_445);
-x_446 = lean_ctor_get(x_444, 1);
+lean_object* x_445; lean_object* x_446; 
+lean_dec(x_444);
+x_445 = l_Lean_Meta_CheckAssignment_findCached(x_430, x_2, x_434);
+x_446 = lean_ctor_get(x_445, 0);
 lean_inc(x_446);
-lean_dec(x_444);
-lean_inc(x_445);
-x_447 = l_Lean_Meta_CheckAssignment_cache(x_426, x_445, x_2, x_446);
-lean_dec(x_2);
-x_448 = lean_ctor_get(x_447, 1);
-lean_inc(x_448);
-lean_dec(x_447);
-x_431 = x_445;
-x_432 = x_448;
-goto block_439;
-}
-else
+if (lean_obj_tag(x_446) == 0)
 {
-uint8_t x_449; 
-lean_dec(x_429);
-lean_dec(x_427);
-lean_dec(x_426);
-lean_dec(x_2);
-lean_dec(x_1);
-x_449 = !lean_is_exclusive(x_444);
-if (x_449 == 0)
+lean_object* x_447; lean_object* x_448; 
+x_447 = lean_ctor_get(x_445, 1);
+lean_inc(x_447);
+lean_dec(x_445);
+lean_inc(x_2);
+lean_inc(x_430);
+x_448 = l_Lean_Meta_CheckAssignment_check___main(x_430, x_2, x_447);
+if (lean_obj_tag(x_448) == 0)
 {
-return x_444;
-}
-else
-{
-lean_object* x_450; lean_object* x_451; lean_object* x_452; 
-x_450 = lean_ctor_get(x_444, 0);
-x_451 = lean_ctor_get(x_444, 1);
-lean_inc(x_451);
+lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; 
+x_449 = lean_ctor_get(x_448, 0);
+lean_inc(x_449);
+x_450 = lean_ctor_get(x_448, 1);
 lean_inc(x_450);
-lean_dec(x_444);
-x_452 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_452, 0, x_450);
-lean_ctor_set(x_452, 1, x_451);
-return x_452;
-}
-}
+lean_dec(x_448);
+lean_inc(x_449);
+x_451 = l_Lean_Meta_CheckAssignment_cache(x_430, x_449, x_2, x_450);
+lean_dec(x_2);
+x_452 = lean_ctor_get(x_451, 1);
+lean_inc(x_452);
+lean_dec(x_451);
+x_435 = x_449;
+x_436 = x_452;
+goto block_443;
 }
 else
 {
-lean_object* x_453; lean_object* x_454; 
-lean_dec(x_426);
+uint8_t x_453; 
+lean_dec(x_433);
+lean_dec(x_431);
+lean_dec(x_430);
 lean_dec(x_2);
-x_453 = lean_ctor_get(x_441, 1);
-lean_inc(x_453);
-lean_dec(x_441);
-x_454 = lean_ctor_get(x_442, 0);
+lean_dec(x_1);
+x_453 = !lean_is_exclusive(x_448);
+if (x_453 == 0)
+{
+return x_448;
+}
+else
+{
+lean_object* x_454; lean_object* x_455; lean_object* x_456; 
+x_454 = lean_ctor_get(x_448, 0);
+x_455 = lean_ctor_get(x_448, 1);
+lean_inc(x_455);
 lean_inc(x_454);
-lean_dec(x_442);
-x_431 = x_454;
-x_432 = x_453;
-goto block_439;
+lean_dec(x_448);
+x_456 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_456, 0, x_454);
+lean_ctor_set(x_456, 1, x_455);
+return x_456;
 }
 }
 }
-block_476:
+else
 {
-lean_object* x_462; lean_object* x_463; 
-lean_dec(x_461);
-x_462 = l_Lean_Meta_CheckAssignment_findCached(x_425, x_2, x_428);
-x_463 = lean_ctor_get(x_462, 0);
-lean_inc(x_463);
-if (lean_obj_tag(x_463) == 0)
+lean_object* x_457; lean_object* x_458; 
+lean_dec(x_430);
+lean_dec(x_2);
+x_457 = lean_ctor_get(x_445, 1);
+lean_inc(x_457);
+lean_dec(x_445);
+x_458 = lean_ctor_get(x_446, 0);
+lean_inc(x_458);
+lean_dec(x_446);
+x_435 = x_458;
+x_436 = x_457;
+goto block_443;
+}
+}
+}
+block_480:
 {
-lean_object* x_464; lean_object* x_465; 
-x_464 = lean_ctor_get(x_462, 1);
-lean_inc(x_464);
-lean_dec(x_462);
-lean_inc(x_2);
-lean_inc(x_425);
-x_465 = l_Lean_Meta_CheckAssignment_check___main(x_425, x_2, x_464);
-if (lean_obj_tag(x_465) == 0)
-{
-lean_object* x_466; lean_object* x_467; lean_object* x_468; lean_object* x_469; 
-x_466 = lean_ctor_get(x_465, 0);
-lean_inc(x_466);
-x_467 = lean_ctor_get(x_465, 1);
+lean_object* x_466; lean_object* x_467; 
+lean_dec(x_465);
+x_466 = l_Lean_Meta_CheckAssignment_findCached(x_429, x_2, x_432);
+x_467 = lean_ctor_get(x_466, 0);
 lean_inc(x_467);
-lean_dec(x_465);
-lean_inc(x_466);
-x_468 = l_Lean_Meta_CheckAssignment_cache(x_425, x_466, x_2, x_467);
-x_469 = lean_ctor_get(x_468, 1);
-lean_inc(x_469);
-lean_dec(x_468);
-x_429 = x_466;
-x_430 = x_469;
-goto block_460;
-}
-else
+if (lean_obj_tag(x_467) == 0)
 {
-uint8_t x_470; 
-lean_dec(x_427);
-lean_dec(x_426);
-lean_dec(x_425);
-lean_dec(x_2);
-lean_dec(x_1);
-x_470 = !lean_is_exclusive(x_465);
-if (x_470 == 0)
-{
-return x_465;
-}
-else
-{
-lean_object* x_471; lean_object* x_472; lean_object* x_473; 
-x_471 = lean_ctor_get(x_465, 0);
-x_472 = lean_ctor_get(x_465, 1);
-lean_inc(x_472);
-lean_inc(x_471);
-lean_dec(x_465);
-x_473 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_473, 0, x_471);
-lean_ctor_set(x_473, 1, x_472);
-return x_473;
-}
-}
-}
-else
-{
-lean_object* x_474; lean_object* x_475; 
-lean_dec(x_425);
-x_474 = lean_ctor_get(x_462, 1);
-lean_inc(x_474);
-lean_dec(x_462);
-x_475 = lean_ctor_get(x_463, 0);
-lean_inc(x_475);
-lean_dec(x_463);
-x_429 = x_475;
-x_430 = x_474;
-goto block_460;
-}
-}
-}
-block_497:
-{
-lean_object* x_483; lean_object* x_484; 
-lean_dec(x_482);
-x_483 = l_Lean_Meta_CheckAssignment_findCached(x_424, x_2, x_3);
-x_484 = lean_ctor_get(x_483, 0);
-lean_inc(x_484);
-if (lean_obj_tag(x_484) == 0)
-{
-lean_object* x_485; lean_object* x_486; 
-x_485 = lean_ctor_get(x_483, 1);
-lean_inc(x_485);
-lean_dec(x_483);
+lean_object* x_468; lean_object* x_469; 
+x_468 = lean_ctor_get(x_466, 1);
+lean_inc(x_468);
+lean_dec(x_466);
 lean_inc(x_2);
-lean_inc(x_424);
-x_486 = l_Lean_Meta_CheckAssignment_check___main(x_424, x_2, x_485);
-if (lean_obj_tag(x_486) == 0)
+lean_inc(x_429);
+x_469 = l_Lean_Meta_CheckAssignment_check___main(x_429, x_2, x_468);
+if (lean_obj_tag(x_469) == 0)
 {
-lean_object* x_487; lean_object* x_488; lean_object* x_489; lean_object* x_490; 
-x_487 = lean_ctor_get(x_486, 0);
-lean_inc(x_487);
-x_488 = lean_ctor_get(x_486, 1);
-lean_inc(x_488);
-lean_dec(x_486);
-lean_inc(x_487);
-x_489 = l_Lean_Meta_CheckAssignment_cache(x_424, x_487, x_2, x_488);
-x_490 = lean_ctor_get(x_489, 1);
-lean_inc(x_490);
-lean_dec(x_489);
-x_427 = x_487;
-x_428 = x_490;
-goto block_481;
+lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; 
+x_470 = lean_ctor_get(x_469, 0);
+lean_inc(x_470);
+x_471 = lean_ctor_get(x_469, 1);
+lean_inc(x_471);
+lean_dec(x_469);
+lean_inc(x_470);
+x_472 = l_Lean_Meta_CheckAssignment_cache(x_429, x_470, x_2, x_471);
+x_473 = lean_ctor_get(x_472, 1);
+lean_inc(x_473);
+lean_dec(x_472);
+x_433 = x_470;
+x_434 = x_473;
+goto block_464;
 }
 else
 {
-uint8_t x_491; 
-lean_dec(x_426);
-lean_dec(x_425);
-lean_dec(x_424);
+uint8_t x_474; 
+lean_dec(x_431);
+lean_dec(x_430);
+lean_dec(x_429);
 lean_dec(x_2);
 lean_dec(x_1);
-x_491 = !lean_is_exclusive(x_486);
-if (x_491 == 0)
+x_474 = !lean_is_exclusive(x_469);
+if (x_474 == 0)
 {
-return x_486;
+return x_469;
 }
 else
 {
-lean_object* x_492; lean_object* x_493; lean_object* x_494; 
-x_492 = lean_ctor_get(x_486, 0);
-x_493 = lean_ctor_get(x_486, 1);
-lean_inc(x_493);
-lean_inc(x_492);
+lean_object* x_475; lean_object* x_476; lean_object* x_477; 
+x_475 = lean_ctor_get(x_469, 0);
+x_476 = lean_ctor_get(x_469, 1);
+lean_inc(x_476);
+lean_inc(x_475);
+lean_dec(x_469);
+x_477 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_477, 0, x_475);
+lean_ctor_set(x_477, 1, x_476);
+return x_477;
+}
+}
+}
+else
+{
+lean_object* x_478; lean_object* x_479; 
+lean_dec(x_429);
+x_478 = lean_ctor_get(x_466, 1);
+lean_inc(x_478);
+lean_dec(x_466);
+x_479 = lean_ctor_get(x_467, 0);
+lean_inc(x_479);
+lean_dec(x_467);
+x_433 = x_479;
+x_434 = x_478;
+goto block_464;
+}
+}
+}
+block_501:
+{
+lean_object* x_487; lean_object* x_488; 
 lean_dec(x_486);
-x_494 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_494, 0, x_492);
-lean_ctor_set(x_494, 1, x_493);
-return x_494;
+x_487 = l_Lean_Meta_CheckAssignment_findCached(x_428, x_2, x_3);
+x_488 = lean_ctor_get(x_487, 0);
+lean_inc(x_488);
+if (lean_obj_tag(x_488) == 0)
+{
+lean_object* x_489; lean_object* x_490; 
+x_489 = lean_ctor_get(x_487, 1);
+lean_inc(x_489);
+lean_dec(x_487);
+lean_inc(x_2);
+lean_inc(x_428);
+x_490 = l_Lean_Meta_CheckAssignment_check___main(x_428, x_2, x_489);
+if (lean_obj_tag(x_490) == 0)
+{
+lean_object* x_491; lean_object* x_492; lean_object* x_493; lean_object* x_494; 
+x_491 = lean_ctor_get(x_490, 0);
+lean_inc(x_491);
+x_492 = lean_ctor_get(x_490, 1);
+lean_inc(x_492);
+lean_dec(x_490);
+lean_inc(x_491);
+x_493 = l_Lean_Meta_CheckAssignment_cache(x_428, x_491, x_2, x_492);
+x_494 = lean_ctor_get(x_493, 1);
+lean_inc(x_494);
+lean_dec(x_493);
+x_431 = x_491;
+x_432 = x_494;
+goto block_485;
+}
+else
+{
+uint8_t x_495; 
+lean_dec(x_430);
+lean_dec(x_429);
+lean_dec(x_428);
+lean_dec(x_2);
+lean_dec(x_1);
+x_495 = !lean_is_exclusive(x_490);
+if (x_495 == 0)
+{
+return x_490;
+}
+else
+{
+lean_object* x_496; lean_object* x_497; lean_object* x_498; 
+x_496 = lean_ctor_get(x_490, 0);
+x_497 = lean_ctor_get(x_490, 1);
+lean_inc(x_497);
+lean_inc(x_496);
+lean_dec(x_490);
+x_498 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_498, 0, x_496);
+lean_ctor_set(x_498, 1, x_497);
+return x_498;
 }
 }
 }
 else
 {
-lean_object* x_495; lean_object* x_496; 
-lean_dec(x_424);
-x_495 = lean_ctor_get(x_483, 1);
-lean_inc(x_495);
-lean_dec(x_483);
-x_496 = lean_ctor_get(x_484, 0);
-lean_inc(x_496);
-lean_dec(x_484);
-x_427 = x_496;
-x_428 = x_495;
-goto block_481;
+lean_object* x_499; lean_object* x_500; 
+lean_dec(x_428);
+x_499 = lean_ctor_get(x_487, 1);
+lean_inc(x_499);
+lean_dec(x_487);
+x_500 = lean_ctor_get(x_488, 0);
+lean_inc(x_500);
+lean_dec(x_488);
+x_431 = x_500;
+x_432 = x_499;
+goto block_485;
 }
 }
 }
 case 10:
 {
-lean_object* x_502; lean_object* x_503; uint8_t x_519; 
-x_502 = lean_ctor_get(x_1, 1);
-lean_inc(x_502);
-x_519 = lean_expr_has_expr_mvar(x_502);
-if (x_519 == 0)
+lean_object* x_506; lean_object* x_507; uint8_t x_523; 
+x_506 = lean_ctor_get(x_1, 1);
+lean_inc(x_506);
+x_523 = l_Lean_Expr_hasExprMVar(x_506);
+if (x_523 == 0)
 {
-uint8_t x_520; 
-x_520 = lean_expr_has_fvar(x_502);
-if (x_520 == 0)
+uint8_t x_524; 
+x_524 = l_Lean_Expr_hasFVar(x_506);
+if (x_524 == 0)
 {
 lean_dec(x_2);
-x_12 = x_502;
+x_12 = x_506;
 x_13 = x_3;
 goto block_20;
 }
 else
 {
-lean_object* x_521; 
-x_521 = lean_box(0);
-x_503 = x_521;
-goto block_518;
+lean_object* x_525; 
+x_525 = lean_box(0);
+x_507 = x_525;
+goto block_522;
 }
 }
 else
 {
-lean_object* x_522; 
-x_522 = lean_box(0);
-x_503 = x_522;
-goto block_518;
+lean_object* x_526; 
+x_526 = lean_box(0);
+x_507 = x_526;
+goto block_522;
 }
-block_518:
+block_522:
 {
-lean_object* x_504; lean_object* x_505; 
-lean_dec(x_503);
-x_504 = l_Lean_Meta_CheckAssignment_findCached(x_502, x_2, x_3);
-x_505 = lean_ctor_get(x_504, 0);
-lean_inc(x_505);
-if (lean_obj_tag(x_505) == 0)
-{
-lean_object* x_506; lean_object* x_507; 
-x_506 = lean_ctor_get(x_504, 1);
-lean_inc(x_506);
-lean_dec(x_504);
-lean_inc(x_2);
-lean_inc(x_502);
-x_507 = l_Lean_Meta_CheckAssignment_check___main(x_502, x_2, x_506);
-if (lean_obj_tag(x_507) == 0)
-{
-lean_object* x_508; lean_object* x_509; lean_object* x_510; lean_object* x_511; 
-x_508 = lean_ctor_get(x_507, 0);
-lean_inc(x_508);
-x_509 = lean_ctor_get(x_507, 1);
-lean_inc(x_509);
+lean_object* x_508; lean_object* x_509; 
 lean_dec(x_507);
-lean_inc(x_508);
-x_510 = l_Lean_Meta_CheckAssignment_cache(x_502, x_508, x_2, x_509);
+x_508 = l_Lean_Meta_CheckAssignment_findCached(x_506, x_2, x_3);
+x_509 = lean_ctor_get(x_508, 0);
+lean_inc(x_509);
+if (lean_obj_tag(x_509) == 0)
+{
+lean_object* x_510; lean_object* x_511; 
+x_510 = lean_ctor_get(x_508, 1);
+lean_inc(x_510);
+lean_dec(x_508);
+lean_inc(x_2);
+lean_inc(x_506);
+x_511 = l_Lean_Meta_CheckAssignment_check___main(x_506, x_2, x_510);
+if (lean_obj_tag(x_511) == 0)
+{
+lean_object* x_512; lean_object* x_513; lean_object* x_514; lean_object* x_515; 
+x_512 = lean_ctor_get(x_511, 0);
+lean_inc(x_512);
+x_513 = lean_ctor_get(x_511, 1);
+lean_inc(x_513);
+lean_dec(x_511);
+lean_inc(x_512);
+x_514 = l_Lean_Meta_CheckAssignment_cache(x_506, x_512, x_2, x_513);
 lean_dec(x_2);
-x_511 = lean_ctor_get(x_510, 1);
-lean_inc(x_511);
-lean_dec(x_510);
-x_12 = x_508;
-x_13 = x_511;
+x_515 = lean_ctor_get(x_514, 1);
+lean_inc(x_515);
+lean_dec(x_514);
+x_12 = x_512;
+x_13 = x_515;
 goto block_20;
 }
 else
 {
-uint8_t x_512; 
-lean_dec(x_502);
+uint8_t x_516; 
+lean_dec(x_506);
 lean_dec(x_2);
 lean_dec(x_1);
-x_512 = !lean_is_exclusive(x_507);
-if (x_512 == 0)
+x_516 = !lean_is_exclusive(x_511);
+if (x_516 == 0)
 {
-return x_507;
+return x_511;
 }
 else
 {
-lean_object* x_513; lean_object* x_514; lean_object* x_515; 
-x_513 = lean_ctor_get(x_507, 0);
-x_514 = lean_ctor_get(x_507, 1);
-lean_inc(x_514);
-lean_inc(x_513);
-lean_dec(x_507);
-x_515 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_515, 0, x_513);
-lean_ctor_set(x_515, 1, x_514);
-return x_515;
-}
-}
-}
-else
-{
-lean_object* x_516; lean_object* x_517; 
-lean_dec(x_502);
-lean_dec(x_2);
-x_516 = lean_ctor_get(x_504, 1);
-lean_inc(x_516);
-lean_dec(x_504);
-x_517 = lean_ctor_get(x_505, 0);
+lean_object* x_517; lean_object* x_518; lean_object* x_519; 
+x_517 = lean_ctor_get(x_511, 0);
+x_518 = lean_ctor_get(x_511, 1);
+lean_inc(x_518);
 lean_inc(x_517);
-lean_dec(x_505);
-x_12 = x_517;
-x_13 = x_516;
+lean_dec(x_511);
+x_519 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_519, 0, x_517);
+lean_ctor_set(x_519, 1, x_518);
+return x_519;
+}
+}
+}
+else
+{
+lean_object* x_520; lean_object* x_521; 
+lean_dec(x_506);
+lean_dec(x_2);
+x_520 = lean_ctor_get(x_508, 1);
+lean_inc(x_520);
+lean_dec(x_508);
+x_521 = lean_ctor_get(x_509, 0);
+lean_inc(x_521);
+lean_dec(x_509);
+x_12 = x_521;
+x_13 = x_520;
 goto block_20;
 }
 }
 }
 case 11:
 {
-lean_object* x_523; lean_object* x_524; uint8_t x_540; 
-x_523 = lean_ctor_get(x_1, 2);
-lean_inc(x_523);
-x_540 = lean_expr_has_expr_mvar(x_523);
-if (x_540 == 0)
+lean_object* x_527; lean_object* x_528; uint8_t x_544; 
+x_527 = lean_ctor_get(x_1, 2);
+lean_inc(x_527);
+x_544 = l_Lean_Expr_hasExprMVar(x_527);
+if (x_544 == 0)
 {
-uint8_t x_541; 
-x_541 = lean_expr_has_fvar(x_523);
-if (x_541 == 0)
+uint8_t x_545; 
+x_545 = l_Lean_Expr_hasFVar(x_527);
+if (x_545 == 0)
 {
 lean_dec(x_2);
-x_21 = x_523;
+x_21 = x_527;
 x_22 = x_3;
 goto block_29;
 }
 else
 {
-lean_object* x_542; 
-x_542 = lean_box(0);
-x_524 = x_542;
-goto block_539;
+lean_object* x_546; 
+x_546 = lean_box(0);
+x_528 = x_546;
+goto block_543;
 }
 }
 else
 {
-lean_object* x_543; 
-x_543 = lean_box(0);
-x_524 = x_543;
-goto block_539;
+lean_object* x_547; 
+x_547 = lean_box(0);
+x_528 = x_547;
+goto block_543;
 }
-block_539:
+block_543:
 {
-lean_object* x_525; lean_object* x_526; 
-lean_dec(x_524);
-x_525 = l_Lean_Meta_CheckAssignment_findCached(x_523, x_2, x_3);
-x_526 = lean_ctor_get(x_525, 0);
-lean_inc(x_526);
-if (lean_obj_tag(x_526) == 0)
-{
-lean_object* x_527; lean_object* x_528; 
-x_527 = lean_ctor_get(x_525, 1);
-lean_inc(x_527);
-lean_dec(x_525);
-lean_inc(x_2);
-lean_inc(x_523);
-x_528 = l_Lean_Meta_CheckAssignment_check___main(x_523, x_2, x_527);
-if (lean_obj_tag(x_528) == 0)
-{
-lean_object* x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; 
-x_529 = lean_ctor_get(x_528, 0);
-lean_inc(x_529);
-x_530 = lean_ctor_get(x_528, 1);
-lean_inc(x_530);
+lean_object* x_529; lean_object* x_530; 
 lean_dec(x_528);
-lean_inc(x_529);
-x_531 = l_Lean_Meta_CheckAssignment_cache(x_523, x_529, x_2, x_530);
+x_529 = l_Lean_Meta_CheckAssignment_findCached(x_527, x_2, x_3);
+x_530 = lean_ctor_get(x_529, 0);
+lean_inc(x_530);
+if (lean_obj_tag(x_530) == 0)
+{
+lean_object* x_531; lean_object* x_532; 
+x_531 = lean_ctor_get(x_529, 1);
+lean_inc(x_531);
+lean_dec(x_529);
+lean_inc(x_2);
+lean_inc(x_527);
+x_532 = l_Lean_Meta_CheckAssignment_check___main(x_527, x_2, x_531);
+if (lean_obj_tag(x_532) == 0)
+{
+lean_object* x_533; lean_object* x_534; lean_object* x_535; lean_object* x_536; 
+x_533 = lean_ctor_get(x_532, 0);
+lean_inc(x_533);
+x_534 = lean_ctor_get(x_532, 1);
+lean_inc(x_534);
+lean_dec(x_532);
+lean_inc(x_533);
+x_535 = l_Lean_Meta_CheckAssignment_cache(x_527, x_533, x_2, x_534);
 lean_dec(x_2);
-x_532 = lean_ctor_get(x_531, 1);
-lean_inc(x_532);
-lean_dec(x_531);
-x_21 = x_529;
-x_22 = x_532;
+x_536 = lean_ctor_get(x_535, 1);
+lean_inc(x_536);
+lean_dec(x_535);
+x_21 = x_533;
+x_22 = x_536;
 goto block_29;
 }
 else
 {
-uint8_t x_533; 
-lean_dec(x_523);
+uint8_t x_537; 
+lean_dec(x_527);
 lean_dec(x_2);
 lean_dec(x_1);
-x_533 = !lean_is_exclusive(x_528);
-if (x_533 == 0)
+x_537 = !lean_is_exclusive(x_532);
+if (x_537 == 0)
 {
-return x_528;
+return x_532;
 }
 else
 {
-lean_object* x_534; lean_object* x_535; lean_object* x_536; 
-x_534 = lean_ctor_get(x_528, 0);
-x_535 = lean_ctor_get(x_528, 1);
-lean_inc(x_535);
-lean_inc(x_534);
-lean_dec(x_528);
-x_536 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_536, 0, x_534);
-lean_ctor_set(x_536, 1, x_535);
-return x_536;
-}
-}
-}
-else
-{
-lean_object* x_537; lean_object* x_538; 
-lean_dec(x_523);
-lean_dec(x_2);
-x_537 = lean_ctor_get(x_525, 1);
-lean_inc(x_537);
-lean_dec(x_525);
-x_538 = lean_ctor_get(x_526, 0);
+lean_object* x_538; lean_object* x_539; lean_object* x_540; 
+x_538 = lean_ctor_get(x_532, 0);
+x_539 = lean_ctor_get(x_532, 1);
+lean_inc(x_539);
 lean_inc(x_538);
-lean_dec(x_526);
-x_21 = x_538;
-x_22 = x_537;
+lean_dec(x_532);
+x_540 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_540, 0, x_538);
+lean_ctor_set(x_540, 1, x_539);
+return x_540;
+}
+}
+}
+else
+{
+lean_object* x_541; lean_object* x_542; 
+lean_dec(x_527);
+lean_dec(x_2);
+x_541 = lean_ctor_get(x_529, 1);
+lean_inc(x_541);
+lean_dec(x_529);
+x_542 = lean_ctor_get(x_530, 0);
+lean_inc(x_542);
+lean_dec(x_530);
+x_21 = x_542;
+x_22 = x_541;
 goto block_29;
 }
 }
 }
+case 12:
+{
+lean_object* x_548; lean_object* x_549; lean_object* x_550; 
+lean_dec(x_1);
+x_548 = l_Lean_Meta_CheckAssignment_check___main___closed__1;
+x_549 = l_unreachable_x21___rarg(x_548);
+x_550 = lean_apply_2(x_549, x_2, x_3);
+return x_550;
+}
 default: 
 {
-lean_object* x_544; 
+lean_object* x_551; 
 lean_dec(x_2);
-x_544 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_544, 0, x_1);
-lean_ctor_set(x_544, 1, x_3);
-return x_544;
+x_551 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_551, 0, x_1);
+lean_ctor_set(x_551, 1, x_3);
+return x_551;
 }
 }
 block_11:
@@ -7311,7 +7344,7 @@ else
 lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 lean_dec(x_12);
 lean_dec(x_1);
-x_16 = l_Lean_Expr_inhabited;
+x_16 = l_Lean_Expr_Inhabited;
 x_17 = l_Lean_Expr_updateMData_x21___closed__2;
 x_18 = lean_panic_fn(x_17);
 x_19 = lean_alloc_ctor(0, 2, 0);
@@ -7336,7 +7369,7 @@ else
 lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
 lean_dec(x_21);
 lean_dec(x_1);
-x_25 = l_Lean_Expr_inhabited;
+x_25 = l_Lean_Expr_Inhabited;
 x_26 = l_Lean_Expr_updateProj_x21___closed__2;
 x_27 = lean_panic_fn(x_26);
 x_28 = lean_alloc_ctor(0, 2, 0);
@@ -7626,7 +7659,7 @@ lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean
 x_21 = lean_ctor_get(x_12, 1);
 lean_inc(x_21);
 lean_dec(x_12);
-x_22 = lean_expr_mk_mvar(x_1);
+x_22 = l_Lean_mkMVar(x_1);
 x_23 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_23, 0, x_22);
 x_24 = lean_unsigned_to_nat(0u);
@@ -7736,14 +7769,14 @@ return x_46;
 else
 {
 lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_47 = lean_expr_mk_fvar(x_42);
+x_47 = l_Lean_mkFVar(x_42);
 x_48 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_48, 0, x_47);
 x_49 = l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__15;
 x_50 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
-x_51 = lean_expr_mk_mvar(x_1);
+x_51 = l_Lean_mkMVar(x_1);
 x_52 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_52, 0, x_51);
 x_53 = lean_alloc_ctor(7, 2, 0);
@@ -7844,14 +7877,14 @@ return x_83;
 else
 {
 lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
-x_84 = lean_expr_mk_mvar(x_79);
+x_84 = l_Lean_mkMVar(x_79);
 x_85 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_85, 0, x_84);
 x_86 = l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__15;
 x_87 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_87, 0, x_85);
 lean_ctor_set(x_87, 1, x_86);
-x_88 = lean_expr_mk_mvar(x_1);
+x_88 = l_Lean_mkMVar(x_1);
 x_89 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_89, 0, x_88);
 x_90 = lean_alloc_ctor(7, 2, 0);
@@ -7952,14 +7985,14 @@ return x_120;
 else
 {
 lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 
-x_121 = lean_expr_mk_mvar(x_116);
+x_121 = l_Lean_mkMVar(x_116);
 x_122 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_122, 0, x_121);
 x_123 = l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__15;
 x_124 = lean_alloc_ctor(7, 2, 0);
 lean_ctor_set(x_124, 0, x_122);
 lean_ctor_set(x_124, 1, x_123);
-x_125 = lean_expr_mk_mvar(x_1);
+x_125 = l_Lean_mkMVar(x_1);
 x_126 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_126, 0, x_125);
 x_127 = lean_alloc_ctor(7, 2, 0);
@@ -8104,11 +8137,11 @@ lean_object* l_Lean_Meta_checkAssignment(lean_object* x_1, lean_object* x_2, lea
 _start:
 {
 lean_object* x_6; uint8_t x_68; 
-x_68 = lean_expr_has_expr_mvar(x_3);
+x_68 = l_Lean_Expr_hasExprMVar(x_3);
 if (x_68 == 0)
 {
 uint8_t x_69; 
-x_69 = lean_expr_has_fvar(x_3);
+x_69 = l_Lean_Expr_hasFVar(x_3);
 if (x_69 == 0)
 {
 lean_object* x_70; lean_object* x_71; 
@@ -8386,7 +8419,7 @@ return x_12;
 else
 {
 lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_13 = l_Lean_Expr_inhabited;
+x_13 = l_Lean_Expr_Inhabited;
 x_14 = lean_array_get(x_13, x_4, x_6);
 x_15 = lean_array_fget(x_5, x_7);
 lean_inc(x_1);
@@ -8510,14 +8543,14 @@ _start:
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 x_7 = lean_unsigned_to_nat(0u);
 x_8 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_7);
-x_9 = l_Lean_Expr_inhabited___closed__1;
+x_9 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_8);
 x_10 = lean_mk_array(x_8, x_9);
 x_11 = lean_unsigned_to_nat(1u);
 x_12 = lean_nat_sub(x_8, x_11);
 lean_dec(x_8);
 lean_inc(x_4);
-x_13 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_4, x_10, x_12);
+x_13 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_4, x_10, x_12);
 x_14 = l_Array_isEmpty___rarg(x_13);
 if (x_14 == 0)
 {
@@ -8548,7 +8581,7 @@ lean_dec(x_4);
 x_22 = lean_nat_sub(x_15, x_16);
 lean_dec(x_16);
 lean_dec(x_15);
-x_23 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_22, x_13, x_7, x_21);
+x_23 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_22, x_13, x_7, x_21);
 x_24 = l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox___main(x_1, x_2, x_23, x_3, x_13, x_7, x_22, x_5, x_6);
 lean_dec(x_13);
 return x_24;
@@ -8560,7 +8593,7 @@ lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28;
 x_25 = lean_nat_sub(x_16, x_15);
 lean_dec(x_15);
 lean_dec(x_16);
-x_26 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_25, x_3, x_7, x_2);
+x_26 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_25, x_3, x_7, x_2);
 x_27 = l_Lean_Expr_getAppFn___main(x_4);
 lean_dec(x_4);
 x_28 = l___private_Init_Lean_Meta_ExprDefEq_9__isDefEqFOApprox___main(x_1, x_26, x_27, x_3, x_13, x_25, x_7, x_5, x_6);
@@ -9098,7 +9131,7 @@ _start:
 {
 lean_object* x_4; uint8_t x_5; 
 x_4 = l_Lean_Expr_getAppFn___main(x_1);
-x_5 = lean_expr_has_expr_mvar(x_4);
+x_5 = l_Lean_Expr_hasExprMVar(x_4);
 lean_dec(x_4);
 if (x_5 == 0)
 {
@@ -11033,6 +11066,8 @@ l_Lean_Meta_CheckAssignment_Lean_MonadCache___closed__3 = _init_l_Lean_Meta_Chec
 lean_mark_persistent(l_Lean_Meta_CheckAssignment_Lean_MonadCache___closed__3);
 l_Lean_Meta_CheckAssignment_Lean_MonadCache = _init_l_Lean_Meta_CheckAssignment_Lean_MonadCache();
 lean_mark_persistent(l_Lean_Meta_CheckAssignment_Lean_MonadCache);
+l_Lean_Meta_CheckAssignment_check___main___closed__1 = _init_l_Lean_Meta_CheckAssignment_check___main___closed__1();
+lean_mark_persistent(l_Lean_Meta_CheckAssignment_check___main___closed__1);
 l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__1 = _init_l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__1();
 lean_mark_persistent(l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__1);
 l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__2 = _init_l___private_Init_Lean_Meta_ExprDefEq_8__checkAssignmentFailure___closed__2();
diff --git a/stage0/library/Init/Lean/Meta/FunInfo.c b/stage0/library/Init/Lean/Meta/FunInfo.c
index c7509a68bf..29d0ef0668 100644
--- a/stage0/library/Init/Lean/Meta/FunInfo.c
+++ b/stage0/library/Init/Lean/Meta/FunInfo.c
@@ -16,7 +16,7 @@ extern "C" {
 lean_object* l_Lean_Meta_inferTypeAuxAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_unsafeCast(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldMAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_fvar(lean_object*);
+uint8_t l_Lean_Expr_hasFVar(lean_object*);
 size_t l_USize_mul(size_t, size_t);
 extern lean_object* l_Nat_Inhabited;
 lean_object* l_Lean_Meta_getFunInfoAuxAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -25,7 +25,7 @@ lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at_Lean_Meta_collectDepsAux___main___spec__2(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at___private_Init_Lean_Meta_FunInfo_1__checkFunInfoCache___spec__2(lean_object*, size_t, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Lean_Meta_collectDepsAux___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_QSort_1__partitionAux___main___at_Lean_Meta_collectDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_FunInfo_2__updateHasFwdDeps___boxed(lean_object*, lean_object*);
@@ -51,6 +51,7 @@ lean_object* l_Lean_Meta_collectDeps___boxed(lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
 lean_object* l___private_Init_Lean_Meta_FunInfo_1__checkFunInfoCache(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t l_USize_add(size_t, size_t);
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Lean_Meta_collectDepsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_qsortAux___main___at_Lean_Meta_collectDeps___spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
@@ -66,7 +67,6 @@ lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_collectDepsAux(lean_object*, lean_object*, lean_object*);
 extern size_t l_PersistentHashMap_insertAux___main___rarg___closed__2;
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 uint8_t l_Array_anyRangeMAux___main___at_Lean_Meta_collectDepsAux___main___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 size_t l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(lean_object*);
@@ -510,7 +510,7 @@ x_4 = lean_ctor_get_uint8(x_2, sizeof(void*)*2);
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_TransparencyMode_hash(x_4);
-x_8 = lean_expr_hash(x_5);
+x_8 = l_Lean_Expr_hash(x_5);
 x_9 = l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(x_6);
 x_10 = lean_usize_mix_hash(x_8, x_9);
 x_11 = lean_usize_mix_hash(x_7, x_10);
@@ -750,7 +750,7 @@ lean_inc(x_18);
 x_19 = lean_ctor_get(x_9, 1);
 lean_inc(x_19);
 x_20 = l_Lean_Meta_TransparencyMode_hash(x_17);
-x_21 = lean_expr_hash(x_18);
+x_21 = l_Lean_Expr_hash(x_18);
 lean_dec(x_18);
 x_22 = l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(x_19);
 lean_dec(x_19);
@@ -1510,7 +1510,7 @@ lean_inc(x_11);
 x_12 = lean_ctor_get(x_2, 1);
 lean_inc(x_12);
 x_13 = l_Lean_Meta_TransparencyMode_hash(x_10);
-x_14 = lean_expr_hash(x_11);
+x_14 = l_Lean_Expr_hash(x_11);
 lean_dec(x_11);
 x_15 = l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(x_12);
 lean_dec(x_12);
@@ -1539,7 +1539,7 @@ lean_inc(x_25);
 x_26 = lean_ctor_get(x_2, 1);
 lean_inc(x_26);
 x_27 = l_Lean_Meta_TransparencyMode_hash(x_24);
-x_28 = lean_expr_hash(x_25);
+x_28 = l_Lean_Expr_hash(x_25);
 lean_dec(x_25);
 x_29 = l_Option_hash___at_Lean_Meta_InfoCacheKey_Hashable___spec__1(x_26);
 lean_dec(x_26);
@@ -1837,7 +1837,7 @@ lean_object* l_Lean_Meta_whenHasVar___rarg(lean_object* x_1, lean_object* x_2, l
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_fvar(x_1);
+x_4 = l_Lean_Expr_hasFVar(x_1);
 if (x_4 == 0)
 {
 lean_dec(x_3);
@@ -1991,7 +1991,7 @@ case 5:
 lean_object* x_9; lean_object* x_10; uint8_t x_11; 
 x_9 = lean_ctor_get(x_2, 0);
 x_10 = lean_ctor_get(x_2, 1);
-x_11 = lean_expr_has_fvar(x_2);
+x_11 = l_Lean_Expr_hasFVar(x_2);
 if (x_11 == 0)
 {
 return x_3;
@@ -2010,7 +2010,7 @@ case 6:
 lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_14 = lean_ctor_get(x_2, 1);
 x_15 = lean_ctor_get(x_2, 2);
-x_16 = lean_expr_has_fvar(x_2);
+x_16 = l_Lean_Expr_hasFVar(x_2);
 if (x_16 == 0)
 {
 return x_3;
@@ -2029,7 +2029,7 @@ case 7:
 lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_19 = lean_ctor_get(x_2, 1);
 x_20 = lean_ctor_get(x_2, 2);
-x_21 = lean_expr_has_fvar(x_2);
+x_21 = l_Lean_Expr_hasFVar(x_2);
 if (x_21 == 0)
 {
 return x_3;
@@ -2049,7 +2049,7 @@ lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27;
 x_24 = lean_ctor_get(x_2, 1);
 x_25 = lean_ctor_get(x_2, 2);
 x_26 = lean_ctor_get(x_2, 3);
-x_27 = lean_expr_has_fvar(x_2);
+x_27 = l_Lean_Expr_hasFVar(x_2);
 if (x_27 == 0)
 {
 return x_3;
@@ -2499,7 +2499,7 @@ lean_object* l_Lean_Meta_getFunInfoAuxAux___lambda__1(lean_object* x_1, lean_obj
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_7 = l_Lean_Expr_inhabited;
+x_7 = l_Lean_Expr_Inhabited;
 x_8 = lean_array_get(x_7, x_1, x_3);
 x_9 = l_Lean_Expr_fvarId_x21(x_8);
 lean_dec(x_8);
diff --git a/stage0/library/Init/Lean/Meta/InferType.c b/stage0/library/Init/Lean/Meta/InferType.c
index 8e5f362f25..35960a5272 100644
--- a/stage0/library/Init/Lean/Meta/InferType.c
+++ b/stage0/library/Init/Lean/Meta/InferType.c
@@ -20,7 +20,6 @@ lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___at_Le
 lean_object* l___private_Init_Lean_Meta_InferType_13__isArrowProp___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__29___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t l_USize_mul(size_t, size_t);
-lean_object* lean_expr_mk_sort(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_inferTypeAux___spec__27___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_5__getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_empty___closed__1;
@@ -32,7 +31,7 @@ lean_object* lean_local_ctx_mk_let_decl(lean_object*, lean_object*, lean_object*
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_4__inferProjType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__30(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Level_normalize___main(lean_object*);
 lean_object* l_List_lengthAux___main___rarg(lean_object*, lean_object*);
@@ -70,7 +69,6 @@ lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux__
 lean_object* l_Lean_Meta_usingDefault(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_5__getLevel___at_Lean_Meta_inferTypeAux___spec__17(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_6__inferForallType___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Nat_foldMAux___main___at_Lean_Meta_inferTypeAux___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insert___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__4(lean_object*, lean_object*, lean_object*);
@@ -84,7 +82,6 @@ lean_object* l_Lean_Meta_lambdaTelescope___rarg(lean_object*, lean_object*, lean
 lean_object* l___private_Init_Lean_Meta_InferType_14__isPropQuickApp___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_inferTypeAuxAux___main___at_Lean_Meta_inferTypeAux___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_proj(lean_object*, lean_object*, lean_object*);
 uint8_t l_Bool_toLBool(uint8_t);
 lean_object* l___private_Init_Lean_Meta_InferType_4__inferProjType___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -94,6 +91,7 @@ lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___lambd
 extern lean_object* l_Lean_ExprStructEq_HasBeq;
 lean_object* l_PersistentHashMap_findAtAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_equal(lean_object*, lean_object*);
+lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l___private_Init_Lean_Meta_Basic_9__lambdaTelescopeAux___main___at_Lean_Meta_inferTypeAux___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___closed__1;
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_inferTypeAux___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -107,6 +105,7 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_10__inferFVarType(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__29___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_PersistentHashMap_find___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Meta_inferTypeAux___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -144,6 +143,7 @@ lean_object* lean_level_mk_succ(lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_6__inferForallType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_13__isArrowProp(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* lean_instantiate_type_lparams(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForall(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -152,6 +152,7 @@ lean_object* l_PersistentHashMap_find___rarg(lean_object*, lean_object*, lean_ob
 uint8_t lean_is_class(lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Meta_inferTypeAux___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_3__inferConstType(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_PersistentHashMap_insertAux___main___rarg___closed__3;
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Nat_foldMAux___main___at_Lean_Meta_inferTypeAux___spec__34(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -165,23 +166,24 @@ lean_object* l___private_Init_Lean_Meta_InferType_7__inferLambdaType(lean_object
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___at_Lean_Meta_inferTypeAux___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_find_decl(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Nat_foldMAux___main___at_Lean_Meta_inferTypeAux___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__7(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isPropAux(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___main___at_Lean_Meta_inferTypeAux___spec__21(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_5__getLevel___at_Lean_Meta_inferTypeAux___spec__18(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_USize_decLe(size_t, size_t);
+extern lean_object* l_Lean_Meta_isClassQuick___main___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__28(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_13__isArrowProp___main(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__10(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__26(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t l_USize_land(size_t, size_t);
 lean_object* l___private_Init_Lean_Meta_Basic_8__forallTelescopeReducingAux___at_Lean_Meta_inferTypeAux___spec__22(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__28___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -191,6 +193,7 @@ lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAu
 lean_object* l___private_Init_Lean_Meta_InferType_12__isAlwaysZero___main___boxed(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__10___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_6__inferForallType___at_Lean_Meta_inferTypeAux___spec__16(lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 lean_object* l___private_Init_Lean_Meta_Basic_7__forallTelescopeReducingAuxAux___main___at_Lean_Meta_inferTypeAux___spec__23(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_InferType_1__getForallResultType___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
@@ -651,7 +654,7 @@ return x_9;
 else
 {
 lean_object* x_15; lean_object* x_16; 
-x_15 = lean_expr_mk_proj(x_2, x_5, x_4);
+x_15 = l_Lean_mkProj(x_2, x_5, x_4);
 x_16 = lean_expr_instantiate1(x_13, x_15);
 lean_dec(x_15);
 lean_dec(x_13);
@@ -683,7 +686,7 @@ return x_20;
 else
 {
 lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_expr_mk_proj(x_2, x_5, x_4);
+x_21 = l_Lean_mkProj(x_2, x_5, x_4);
 x_22 = lean_expr_instantiate1(x_18, x_21);
 lean_dec(x_21);
 lean_dec(x_18);
@@ -901,13 +904,13 @@ lean_inc(x_32);
 lean_dec(x_26);
 x_33 = lean_unsigned_to_nat(0u);
 x_34 = l_Lean_Expr_getAppNumArgsAux___main(x_14, x_33);
-x_35 = l_Lean_Expr_inhabited___closed__1;
+x_35 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_34);
 x_36 = lean_mk_array(x_34, x_35);
 x_37 = lean_unsigned_to_nat(1u);
 x_38 = lean_nat_sub(x_34, x_37);
 lean_dec(x_34);
-x_39 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_14, x_36, x_38);
+x_39 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_14, x_36, x_38);
 x_40 = lean_array_get_size(x_39);
 x_41 = lean_nat_dec_eq(x_31, x_40);
 lean_dec(x_40);
@@ -1366,13 +1369,13 @@ lean_inc(x_125);
 lean_dec(x_118);
 x_126 = lean_unsigned_to_nat(0u);
 x_127 = l_Lean_Expr_getAppNumArgsAux___main(x_105, x_126);
-x_128 = l_Lean_Expr_inhabited___closed__1;
+x_128 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_127);
 x_129 = lean_mk_array(x_127, x_128);
 x_130 = lean_unsigned_to_nat(1u);
 x_131 = lean_nat_sub(x_127, x_130);
 lean_dec(x_127);
-x_132 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_105, x_129, x_131);
+x_132 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_105, x_129, x_131);
 x_133 = lean_array_get_size(x_132);
 x_134 = lean_nat_dec_eq(x_124, x_133);
 lean_dec(x_133);
@@ -1831,7 +1834,7 @@ lean_inc(x_19);
 lean_dec(x_17);
 x_20 = lean_level_mk_mvar(x_18);
 lean_inc(x_20);
-x_21 = lean_expr_mk_sort(x_20);
+x_21 = l_Lean_mkSort(x_20);
 x_22 = l_Lean_Meta_assignExprMVar(x_12, x_21, x_4, x_19);
 lean_dec(x_4);
 if (lean_obj_tag(x_22) == 0)
@@ -2234,7 +2237,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18;
 x_16 = lean_ctor_get(x_14, 0);
 x_17 = l_Lean_Level_normalize___main(x_16);
 lean_dec(x_16);
-x_18 = lean_expr_mk_sort(x_17);
+x_18 = l_Lean_mkSort(x_17);
 lean_ctor_set(x_14, 0, x_18);
 return x_14;
 }
@@ -2248,7 +2251,7 @@ lean_inc(x_19);
 lean_dec(x_14);
 x_21 = l_Lean_Level_normalize___main(x_19);
 lean_dec(x_19);
-x_22 = lean_expr_mk_sort(x_21);
+x_22 = l_Lean_mkSort(x_21);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_20);
@@ -2581,7 +2584,7 @@ x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
 lean_inc(x_9);
-x_11 = lean_expr_mk_fvar(x_9);
+x_11 = l_Lean_mkFVar(x_9);
 x_12 = !lean_is_exclusive(x_5);
 if (x_12 == 0)
 {
@@ -3139,7 +3142,7 @@ _start:
 {
 lean_object* x_3; size_t x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_1, 0);
-x_4 = lean_expr_hash(x_2);
+x_4 = l_Lean_Expr_hash(x_2);
 x_5 = l_PersistentHashMap_findAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__2(x_3, x_4, x_2);
 return x_5;
 }
@@ -3253,7 +3256,7 @@ else
 lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; size_t x_13; size_t x_14; size_t x_15; size_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 x_9 = lean_array_fget(x_4, x_5);
 x_10 = lean_array_fget(x_3, x_5);
-x_11 = lean_expr_hash(x_9);
+x_11 = l_Lean_Expr_hash(x_9);
 x_12 = 1;
 x_13 = x_1 - x_12;
 x_14 = 5;
@@ -3592,7 +3595,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = lean_expr_hash(x_2);
+x_7 = l_Lean_Expr_hash(x_2);
 x_8 = 1;
 x_9 = l_PersistentHashMap_insertAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__5(x_5, x_7, x_8, x_2, x_3);
 x_10 = lean_unsigned_to_nat(1u);
@@ -3610,7 +3613,7 @@ x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_1);
-x_14 = lean_expr_hash(x_2);
+x_14 = l_Lean_Expr_hash(x_2);
 x_15 = 1;
 x_16 = l_PersistentHashMap_insertAux___main___at___private_Init_Lean_Meta_InferType_11__checkInferTypeCache___spec__5(x_12, x_14, x_15, x_2, x_3);
 x_17 = lean_unsigned_to_nat(1u);
@@ -3945,7 +3948,7 @@ x_66 = lean_ctor_get(x_2, 0);
 lean_inc(x_66);
 lean_dec(x_2);
 x_67 = lean_level_mk_succ(x_66);
-x_68 = lean_expr_mk_sort(x_67);
+x_68 = l_Lean_mkSort(x_67);
 x_69 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_69, 0, x_68);
 lean_ctor_set(x_69, 1, x_4);
@@ -3976,14 +3979,14 @@ x_75 = l_Lean_Expr_getAppFn___main(x_73);
 lean_dec(x_73);
 x_76 = lean_unsigned_to_nat(0u);
 x_77 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_76);
-x_78 = l_Lean_Expr_inhabited___closed__1;
+x_78 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_77);
 x_79 = lean_mk_array(x_77, x_78);
 x_80 = lean_unsigned_to_nat(1u);
 x_81 = lean_nat_sub(x_77, x_80);
 lean_dec(x_77);
 lean_inc(x_2);
-x_82 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_79, x_81);
+x_82 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_79, x_81);
 x_83 = lean_ctor_get(x_4, 2);
 lean_inc(x_83);
 x_84 = lean_ctor_get(x_83, 0);
@@ -4671,11 +4674,21 @@ lean_ctor_set(x_245, 1, x_4);
 return x_245;
 }
 }
+case 12:
+{
+lean_object* x_246; lean_object* x_247; lean_object* x_248; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_246 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_247 = l_unreachable_x21___rarg(x_246);
+x_248 = lean_apply_2(x_247, x_3, x_4);
+return x_248;
+}
 default: 
 {
-lean_object* x_246; 
-x_246 = lean_box(0);
-x_5 = x_246;
+lean_object* x_249; 
+x_249 = lean_box(0);
+x_5 = x_249;
 goto block_58;
 }
 }
@@ -4983,6 +4996,7 @@ lean_inc(x_23);
 lean_dec(x_21);
 x_24 = l_Lean_LocalDecl_type(x_22);
 lean_dec(x_22);
+lean_inc(x_5);
 lean_inc(x_24);
 x_25 = l_Lean_Meta_isClassQuick___main(x_24, x_5, x_23);
 if (lean_obj_tag(x_25) == 0)
@@ -5347,6 +5361,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_12);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_12, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -5674,6 +5689,7 @@ lean_inc(x_23);
 lean_dec(x_21);
 x_24 = l_Lean_LocalDecl_type(x_22);
 lean_dec(x_22);
+lean_inc(x_5);
 lean_inc(x_24);
 x_25 = l_Lean_Meta_isClassQuick___main(x_24, x_5, x_23);
 if (lean_obj_tag(x_25) == 0)
@@ -5919,90 +5935,91 @@ _start:
 lean_object* x_10; 
 if (lean_obj_tag(x_7) == 7)
 {
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+lean_object* x_23; lean_object* x_24; lean_object* x_25; uint64_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 x_23 = lean_ctor_get(x_7, 0);
 lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_7, sizeof(void*)*3);
-x_25 = lean_ctor_get(x_7, 1);
+x_24 = lean_ctor_get(x_7, 1);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_7, 2);
 lean_inc(x_25);
-x_26 = lean_ctor_get(x_7, 2);
-lean_inc(x_26);
+x_26 = lean_ctor_get_uint64(x_7, sizeof(void*)*3);
 lean_dec(x_7);
 x_27 = lean_array_get_size(x_5);
 lean_inc(x_5);
-x_28 = lean_expr_instantiate_rev_range(x_25, x_6, x_27, x_5);
+x_28 = lean_expr_instantiate_rev_range(x_24, x_6, x_27, x_5);
 lean_dec(x_27);
-lean_dec(x_25);
+lean_dec(x_24);
 x_29 = l_Lean_Meta_mkFreshId___rarg(x_9);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
+x_32 = (uint8_t)((x_26 << 24) >> 61);
 lean_inc(x_30);
-x_32 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_24);
-x_33 = lean_expr_mk_fvar(x_30);
-x_34 = lean_array_push(x_5, x_33);
+x_33 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_32);
+x_34 = l_Lean_mkFVar(x_30);
+x_35 = lean_array_push(x_5, x_34);
 if (lean_obj_tag(x_3) == 0)
 {
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_36 = lean_ctor_get(x_3, 0);
-lean_inc(x_36);
-x_37 = lean_array_get_size(x_34);
-x_38 = lean_nat_dec_lt(x_37, x_36);
-lean_dec(x_36);
-if (x_38 == 0)
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_37 = lean_ctor_get(x_3, 0);
+lean_inc(x_37);
+x_38 = lean_array_get_size(x_35);
+x_39 = lean_nat_dec_lt(x_38, x_37);
+lean_dec(x_37);
+if (x_39 == 0)
 {
-lean_object* x_39; uint8_t x_40; 
+lean_object* x_40; uint8_t x_41; 
 lean_dec(x_3);
-lean_inc(x_34);
-x_39 = lean_expr_instantiate_rev_range(x_26, x_6, x_37, x_34);
-lean_dec(x_37);
-lean_dec(x_26);
-x_40 = !lean_is_exclusive(x_8);
-if (x_40 == 0)
+lean_inc(x_35);
+x_40 = lean_expr_instantiate_rev_range(x_25, x_6, x_38, x_35);
+lean_dec(x_38);
+lean_dec(x_25);
+x_41 = !lean_is_exclusive(x_8);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_8, 1);
-lean_dec(x_41);
-lean_ctor_set(x_8, 1, x_32);
-x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__11(x_1, x_39, x_34, x_6, x_8, x_31);
-lean_dec(x_34);
-lean_dec(x_39);
-return x_42;
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_8, 1);
+lean_dec(x_42);
+lean_ctor_set(x_8, 1, x_33);
+x_43 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__11(x_1, x_40, x_35, x_6, x_8, x_31);
+lean_dec(x_35);
+lean_dec(x_40);
+return x_43;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_43 = lean_ctor_get(x_8, 0);
-x_44 = lean_ctor_get(x_8, 2);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_8, 0);
+x_45 = lean_ctor_get(x_8, 2);
+lean_inc(x_45);
 lean_inc(x_44);
-lean_inc(x_43);
 lean_dec(x_8);
-x_45 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_32);
-lean_ctor_set(x_45, 2, x_44);
-x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__11(x_1, x_39, x_34, x_6, x_45, x_31);
-lean_dec(x_34);
-lean_dec(x_39);
-return x_46;
+x_46 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_33);
+lean_ctor_set(x_46, 2, x_45);
+x_47 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__11(x_1, x_40, x_35, x_6, x_46, x_31);
+lean_dec(x_35);
+lean_dec(x_40);
+return x_47;
 }
 }
 else
 {
-lean_dec(x_37);
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+lean_dec(x_38);
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
@@ -6010,9 +6027,9 @@ goto _start;
 }
 else
 {
-lean_object* x_48; 
-x_48 = lean_box(0);
-x_10 = x_48;
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_10 = x_49;
 goto block_22;
 }
 block_22:
@@ -7006,6 +7023,7 @@ lean_inc(x_22);
 lean_dec(x_20);
 x_23 = l_Lean_LocalDecl_type(x_21);
 lean_dec(x_21);
+lean_inc(x_6);
 lean_inc(x_23);
 x_24 = l_Lean_Meta_isClassQuick___main(x_23, x_6, x_22);
 if (lean_obj_tag(x_24) == 0)
@@ -7258,77 +7276,78 @@ lean_object* x_8;
 switch (lean_obj_tag(x_5)) {
 case 6:
 {
-lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint64_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
 x_19 = lean_ctor_get(x_5, 0);
 lean_inc(x_19);
-x_20 = lean_ctor_get_uint8(x_5, sizeof(void*)*3);
-x_21 = lean_ctor_get(x_5, 1);
+x_20 = lean_ctor_get(x_5, 1);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_5, 2);
 lean_inc(x_21);
-x_22 = lean_ctor_get(x_5, 2);
-lean_inc(x_22);
+x_22 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
 lean_dec(x_5);
 x_23 = lean_array_get_size(x_3);
 lean_inc(x_3);
-x_24 = lean_expr_instantiate_rev_range(x_21, x_4, x_23, x_3);
+x_24 = lean_expr_instantiate_rev_range(x_20, x_4, x_23, x_3);
 lean_dec(x_23);
-lean_dec(x_21);
+lean_dec(x_20);
 x_25 = l_Lean_Meta_mkFreshId___rarg(x_7);
 x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
 x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
 lean_dec(x_25);
+x_28 = (uint8_t)((x_22 << 24) >> 61);
 lean_inc(x_26);
-x_28 = lean_local_ctx_mk_local_decl(x_2, x_26, x_19, x_24, x_20);
-x_29 = lean_expr_mk_fvar(x_26);
-x_30 = lean_array_push(x_3, x_29);
-x_2 = x_28;
-x_3 = x_30;
-x_5 = x_22;
+x_29 = lean_local_ctx_mk_local_decl(x_2, x_26, x_19, x_24, x_28);
+x_30 = l_Lean_mkFVar(x_26);
+x_31 = lean_array_push(x_3, x_30);
+x_2 = x_29;
+x_3 = x_31;
+x_5 = x_21;
 x_7 = x_27;
 goto _start;
 }
 case 8:
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_32 = lean_ctor_get(x_5, 0);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_5, 1);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_33 = lean_ctor_get(x_5, 0);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_5, 2);
+x_34 = lean_ctor_get(x_5, 1);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_5, 3);
+x_35 = lean_ctor_get(x_5, 2);
 lean_inc(x_35);
+x_36 = lean_ctor_get(x_5, 3);
+lean_inc(x_36);
 lean_dec(x_5);
-x_36 = lean_array_get_size(x_3);
+x_37 = lean_array_get_size(x_3);
 lean_inc(x_3);
-x_37 = lean_expr_instantiate_rev_range(x_33, x_4, x_36, x_3);
-lean_dec(x_33);
-lean_inc(x_3);
-x_38 = lean_expr_instantiate_rev_range(x_34, x_4, x_36, x_3);
-lean_dec(x_36);
+x_38 = lean_expr_instantiate_rev_range(x_34, x_4, x_37, x_3);
 lean_dec(x_34);
-x_39 = l_Lean_Meta_mkFreshId___rarg(x_7);
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_3);
+x_39 = lean_expr_instantiate_rev_range(x_35, x_4, x_37, x_3);
+lean_dec(x_37);
+lean_dec(x_35);
+x_40 = l_Lean_Meta_mkFreshId___rarg(x_7);
+x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
-lean_dec(x_39);
-lean_inc(x_40);
-x_42 = lean_local_ctx_mk_let_decl(x_2, x_40, x_32, x_37, x_38);
-x_43 = lean_expr_mk_fvar(x_40);
-x_44 = lean_array_push(x_3, x_43);
-x_2 = x_42;
-x_3 = x_44;
-x_5 = x_35;
-x_7 = x_41;
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+lean_dec(x_40);
+lean_inc(x_41);
+x_43 = lean_local_ctx_mk_let_decl(x_2, x_41, x_33, x_38, x_39);
+x_44 = l_Lean_mkFVar(x_41);
+x_45 = lean_array_push(x_3, x_44);
+x_2 = x_43;
+x_3 = x_45;
+x_5 = x_36;
+x_7 = x_42;
 goto _start;
 }
 default: 
 {
-lean_object* x_46; 
-x_46 = lean_box(0);
-x_8 = x_46;
+lean_object* x_47; 
+x_47 = lean_box(0);
+x_8 = x_47;
 goto block_18;
 }
 }
@@ -8186,7 +8205,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = lean_level_mk_mvar(x_23);
 lean_inc(x_25);
-x_26 = lean_expr_mk_sort(x_25);
+x_26 = l_Lean_mkSort(x_25);
 x_27 = l_Lean_Meta_assignExprMVar(x_17, x_26, x_3, x_24);
 lean_dec(x_3);
 if (lean_obj_tag(x_27) == 0)
@@ -8490,7 +8509,7 @@ lean_inc(x_94);
 lean_dec(x_92);
 x_95 = lean_level_mk_mvar(x_93);
 lean_inc(x_95);
-x_96 = lean_expr_mk_sort(x_95);
+x_96 = l_Lean_mkSort(x_95);
 x_97 = l_Lean_Meta_assignExprMVar(x_87, x_96, x_3, x_94);
 lean_dec(x_3);
 if (lean_obj_tag(x_97) == 0)
@@ -8803,7 +8822,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = lean_level_mk_mvar(x_23);
 lean_inc(x_25);
-x_26 = lean_expr_mk_sort(x_25);
+x_26 = l_Lean_mkSort(x_25);
 x_27 = l_Lean_Meta_assignExprMVar(x_17, x_26, x_3, x_24);
 lean_dec(x_3);
 if (lean_obj_tag(x_27) == 0)
@@ -9107,7 +9126,7 @@ lean_inc(x_94);
 lean_dec(x_92);
 x_95 = lean_level_mk_mvar(x_93);
 lean_inc(x_95);
-x_96 = lean_expr_mk_sort(x_95);
+x_96 = l_Lean_mkSort(x_95);
 x_97 = l_Lean_Meta_assignExprMVar(x_87, x_96, x_3, x_94);
 lean_dec(x_3);
 if (lean_obj_tag(x_97) == 0)
@@ -9528,6 +9547,7 @@ lean_inc(x_23);
 lean_dec(x_21);
 x_24 = l_Lean_LocalDecl_type(x_22);
 lean_dec(x_22);
+lean_inc(x_5);
 lean_inc(x_24);
 x_25 = l_Lean_Meta_isClassQuick___main(x_24, x_5, x_23);
 if (lean_obj_tag(x_25) == 0)
@@ -9892,6 +9912,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_12);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_12, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -10219,6 +10240,7 @@ lean_inc(x_23);
 lean_dec(x_21);
 x_24 = l_Lean_LocalDecl_type(x_22);
 lean_dec(x_22);
+lean_inc(x_5);
 lean_inc(x_24);
 x_25 = l_Lean_Meta_isClassQuick___main(x_24, x_5, x_23);
 if (lean_obj_tag(x_25) == 0)
@@ -10464,90 +10486,91 @@ _start:
 lean_object* x_10; 
 if (lean_obj_tag(x_7) == 7)
 {
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+lean_object* x_23; lean_object* x_24; lean_object* x_25; uint64_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 x_23 = lean_ctor_get(x_7, 0);
 lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_7, sizeof(void*)*3);
-x_25 = lean_ctor_get(x_7, 1);
+x_24 = lean_ctor_get(x_7, 1);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_7, 2);
 lean_inc(x_25);
-x_26 = lean_ctor_get(x_7, 2);
-lean_inc(x_26);
+x_26 = lean_ctor_get_uint64(x_7, sizeof(void*)*3);
 lean_dec(x_7);
 x_27 = lean_array_get_size(x_5);
 lean_inc(x_5);
-x_28 = lean_expr_instantiate_rev_range(x_25, x_6, x_27, x_5);
+x_28 = lean_expr_instantiate_rev_range(x_24, x_6, x_27, x_5);
 lean_dec(x_27);
-lean_dec(x_25);
+lean_dec(x_24);
 x_29 = l_Lean_Meta_mkFreshId___rarg(x_9);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
+x_32 = (uint8_t)((x_26 << 24) >> 61);
 lean_inc(x_30);
-x_32 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_24);
-x_33 = lean_expr_mk_fvar(x_30);
-x_34 = lean_array_push(x_5, x_33);
+x_33 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_32);
+x_34 = l_Lean_mkFVar(x_30);
+x_35 = lean_array_push(x_5, x_34);
 if (lean_obj_tag(x_3) == 0)
 {
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_36 = lean_ctor_get(x_3, 0);
-lean_inc(x_36);
-x_37 = lean_array_get_size(x_34);
-x_38 = lean_nat_dec_lt(x_37, x_36);
-lean_dec(x_36);
-if (x_38 == 0)
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_37 = lean_ctor_get(x_3, 0);
+lean_inc(x_37);
+x_38 = lean_array_get_size(x_35);
+x_39 = lean_nat_dec_lt(x_38, x_37);
+lean_dec(x_37);
+if (x_39 == 0)
 {
-lean_object* x_39; uint8_t x_40; 
+lean_object* x_40; uint8_t x_41; 
 lean_dec(x_3);
-lean_inc(x_34);
-x_39 = lean_expr_instantiate_rev_range(x_26, x_6, x_37, x_34);
-lean_dec(x_37);
-lean_dec(x_26);
-x_40 = !lean_is_exclusive(x_8);
-if (x_40 == 0)
+lean_inc(x_35);
+x_40 = lean_expr_instantiate_rev_range(x_25, x_6, x_38, x_35);
+lean_dec(x_38);
+lean_dec(x_25);
+x_41 = !lean_is_exclusive(x_8);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_8, 1);
-lean_dec(x_41);
-lean_ctor_set(x_8, 1, x_32);
-x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__26(x_1, x_39, x_34, x_6, x_8, x_31);
-lean_dec(x_34);
-lean_dec(x_39);
-return x_42;
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_8, 1);
+lean_dec(x_42);
+lean_ctor_set(x_8, 1, x_33);
+x_43 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__26(x_1, x_40, x_35, x_6, x_8, x_31);
+lean_dec(x_35);
+lean_dec(x_40);
+return x_43;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_43 = lean_ctor_get(x_8, 0);
-x_44 = lean_ctor_get(x_8, 2);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_8, 0);
+x_45 = lean_ctor_get(x_8, 2);
+lean_inc(x_45);
 lean_inc(x_44);
-lean_inc(x_43);
 lean_dec(x_8);
-x_45 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_32);
-lean_ctor_set(x_45, 2, x_44);
-x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__26(x_1, x_39, x_34, x_6, x_45, x_31);
-lean_dec(x_34);
-lean_dec(x_39);
-return x_46;
+x_46 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_33);
+lean_ctor_set(x_46, 2, x_45);
+x_47 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__26(x_1, x_40, x_35, x_6, x_46, x_31);
+lean_dec(x_35);
+lean_dec(x_40);
+return x_47;
 }
 }
 else
 {
-lean_dec(x_37);
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+lean_dec(x_38);
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
@@ -10555,9 +10578,9 @@ goto _start;
 }
 else
 {
-lean_object* x_48; 
-x_48 = lean_box(0);
-x_10 = x_48;
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_10 = x_49;
 goto block_22;
 }
 block_22:
@@ -11518,7 +11541,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18;
 x_16 = lean_ctor_get(x_14, 0);
 x_17 = l_Lean_Level_normalize___main(x_16);
 lean_dec(x_16);
-x_18 = lean_expr_mk_sort(x_17);
+x_18 = l_Lean_mkSort(x_17);
 lean_ctor_set(x_14, 0, x_18);
 return x_14;
 }
@@ -11532,7 +11555,7 @@ lean_inc(x_19);
 lean_dec(x_14);
 x_21 = l_Lean_Level_normalize___main(x_19);
 lean_dec(x_19);
-x_22 = lean_expr_mk_sort(x_21);
+x_22 = l_Lean_mkSort(x_21);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_20);
@@ -11605,6 +11628,7 @@ lean_inc(x_36);
 lean_dec(x_34);
 x_37 = l_Lean_LocalDecl_type(x_35);
 lean_dec(x_35);
+lean_inc(x_7);
 lean_inc(x_37);
 x_38 = l_Lean_Meta_isClassQuick___main(x_37, x_7, x_36);
 if (lean_obj_tag(x_38) == 0)
@@ -11884,7 +11908,7 @@ lean_object* x_17; lean_object* x_18; lean_object* x_19;
 x_17 = lean_ctor_get(x_15, 0);
 x_18 = l_Lean_Level_normalize___main(x_17);
 lean_dec(x_17);
-x_19 = lean_expr_mk_sort(x_18);
+x_19 = l_Lean_mkSort(x_18);
 lean_ctor_set(x_15, 0, x_19);
 return x_15;
 }
@@ -11898,7 +11922,7 @@ lean_inc(x_20);
 lean_dec(x_15);
 x_22 = l_Lean_Level_normalize___main(x_20);
 lean_dec(x_20);
-x_23 = lean_expr_mk_sort(x_22);
+x_23 = l_Lean_mkSort(x_22);
 x_24 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_24, 0, x_23);
 lean_ctor_set(x_24, 1, x_21);
@@ -12023,6 +12047,7 @@ lean_inc(x_24);
 lean_dec(x_22);
 x_25 = l_Lean_LocalDecl_type(x_23);
 lean_dec(x_23);
+lean_inc(x_12);
 lean_inc(x_25);
 x_26 = l_Lean_Meta_isClassQuick___main(x_25, x_12, x_24);
 if (lean_obj_tag(x_26) == 0)
@@ -12310,7 +12335,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18;
 x_16 = lean_ctor_get(x_14, 0);
 x_17 = l_Lean_Level_normalize___main(x_16);
 lean_dec(x_16);
-x_18 = lean_expr_mk_sort(x_17);
+x_18 = l_Lean_mkSort(x_17);
 lean_ctor_set(x_14, 0, x_18);
 return x_14;
 }
@@ -12324,7 +12349,7 @@ lean_inc(x_19);
 lean_dec(x_14);
 x_21 = l_Lean_Level_normalize___main(x_19);
 lean_dec(x_19);
-x_22 = lean_expr_mk_sort(x_21);
+x_22 = l_Lean_mkSort(x_21);
 x_23 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_20);
@@ -12397,6 +12422,7 @@ lean_inc(x_36);
 lean_dec(x_34);
 x_37 = l_Lean_LocalDecl_type(x_35);
 lean_dec(x_35);
+lean_inc(x_7);
 lean_inc(x_37);
 x_38 = l_Lean_Meta_isClassQuick___main(x_37, x_7, x_36);
 if (lean_obj_tag(x_38) == 0)
@@ -12648,87 +12674,88 @@ _start:
 lean_object* x_10; 
 if (lean_obj_tag(x_7) == 7)
 {
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+lean_object* x_23; lean_object* x_24; lean_object* x_25; uint64_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 x_23 = lean_ctor_get(x_7, 0);
 lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_7, sizeof(void*)*3);
-x_25 = lean_ctor_get(x_7, 1);
+x_24 = lean_ctor_get(x_7, 1);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_7, 2);
 lean_inc(x_25);
-x_26 = lean_ctor_get(x_7, 2);
-lean_inc(x_26);
+x_26 = lean_ctor_get_uint64(x_7, sizeof(void*)*3);
 lean_dec(x_7);
 x_27 = lean_array_get_size(x_5);
 lean_inc(x_5);
-x_28 = lean_expr_instantiate_rev_range(x_25, x_6, x_27, x_5);
+x_28 = lean_expr_instantiate_rev_range(x_24, x_6, x_27, x_5);
 lean_dec(x_27);
-lean_dec(x_25);
+lean_dec(x_24);
 x_29 = l_Lean_Meta_mkFreshId___rarg(x_9);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
+x_32 = (uint8_t)((x_26 << 24) >> 61);
 lean_inc(x_30);
-x_32 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_24);
-x_33 = lean_expr_mk_fvar(x_30);
-x_34 = lean_array_push(x_5, x_33);
+x_33 = lean_local_ctx_mk_local_decl(x_4, x_30, x_23, x_28, x_32);
+x_34 = l_Lean_mkFVar(x_30);
+x_35 = lean_array_push(x_5, x_34);
 if (lean_obj_tag(x_3) == 0)
 {
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_36 = lean_ctor_get(x_3, 0);
-lean_inc(x_36);
-x_37 = lean_array_get_size(x_34);
-x_38 = lean_nat_dec_lt(x_37, x_36);
-lean_dec(x_36);
-if (x_38 == 0)
-{
-lean_object* x_39; uint8_t x_40; 
-lean_dec(x_3);
-lean_inc(x_34);
-x_39 = lean_expr_instantiate_rev_range(x_26, x_6, x_37, x_34);
-lean_dec(x_26);
-x_40 = !lean_is_exclusive(x_8);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_8, 1);
-lean_dec(x_41);
-lean_ctor_set(x_8, 1, x_32);
-x_42 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__30(x_1, x_34, x_37, x_39, x_34, x_6, x_8, x_31);
-lean_dec(x_34);
-return x_42;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_43 = lean_ctor_get(x_8, 0);
-x_44 = lean_ctor_get(x_8, 2);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_8);
-x_45 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_32);
-lean_ctor_set(x_45, 2, x_44);
-x_46 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__30(x_1, x_34, x_37, x_39, x_34, x_6, x_45, x_31);
-lean_dec(x_34);
-return x_46;
-}
-}
-else
-{
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_37 = lean_ctor_get(x_3, 0);
+lean_inc(x_37);
+x_38 = lean_array_get_size(x_35);
+x_39 = lean_nat_dec_lt(x_38, x_37);
 lean_dec(x_37);
-x_4 = x_32;
-x_5 = x_34;
-x_7 = x_26;
+if (x_39 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+lean_dec(x_3);
+lean_inc(x_35);
+x_40 = lean_expr_instantiate_rev_range(x_25, x_6, x_38, x_35);
+lean_dec(x_25);
+x_41 = !lean_is_exclusive(x_8);
+if (x_41 == 0)
+{
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_8, 1);
+lean_dec(x_42);
+lean_ctor_set(x_8, 1, x_33);
+x_43 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__30(x_1, x_35, x_38, x_40, x_35, x_6, x_8, x_31);
+lean_dec(x_35);
+return x_43;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_8, 0);
+x_45 = lean_ctor_get(x_8, 2);
+lean_inc(x_45);
+lean_inc(x_44);
+lean_dec(x_8);
+x_46 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_33);
+lean_ctor_set(x_46, 2, x_45);
+x_47 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_inferTypeAux___spec__30(x_1, x_35, x_38, x_40, x_35, x_6, x_46, x_31);
+lean_dec(x_35);
+return x_47;
+}
+}
+else
+{
+lean_dec(x_38);
+x_4 = x_33;
+x_5 = x_35;
+x_7 = x_25;
 x_9 = x_31;
 goto _start;
 }
@@ -12736,9 +12763,9 @@ goto _start;
 }
 else
 {
-lean_object* x_48; 
-x_48 = lean_box(0);
-x_10 = x_48;
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_10 = x_49;
 goto block_22;
 }
 block_22:
@@ -13567,7 +13594,7 @@ else
 lean_object* x_28; lean_object* x_29; 
 lean_inc(x_4);
 lean_inc(x_2);
-x_28 = lean_expr_mk_proj(x_2, x_15, x_4);
+x_28 = l_Lean_mkProj(x_2, x_15, x_4);
 x_29 = lean_expr_instantiate1(x_25, x_28);
 lean_dec(x_28);
 lean_dec(x_25);
@@ -13720,7 +13747,7 @@ else
 lean_object* x_62; lean_object* x_63; 
 lean_inc(x_4);
 lean_inc(x_2);
-x_62 = lean_expr_mk_proj(x_2, x_15, x_4);
+x_62 = l_Lean_mkProj(x_2, x_15, x_4);
 x_63 = lean_expr_instantiate1(x_59, x_62);
 lean_dec(x_62);
 lean_dec(x_59);
@@ -13955,13 +13982,13 @@ lean_inc(x_35);
 lean_dec(x_30);
 x_36 = lean_unsigned_to_nat(0u);
 x_37 = l_Lean_Expr_getAppNumArgsAux___main(x_19, x_36);
-x_38 = l_Lean_Expr_inhabited___closed__1;
+x_38 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_37);
 x_39 = lean_mk_array(x_37, x_38);
 x_40 = lean_unsigned_to_nat(1u);
 x_41 = lean_nat_sub(x_37, x_40);
 lean_dec(x_37);
-x_42 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_19, x_39, x_41);
+x_42 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_19, x_39, x_41);
 x_43 = lean_array_get_size(x_42);
 x_44 = lean_nat_dec_eq(x_34, x_43);
 lean_dec(x_43);
@@ -14400,13 +14427,13 @@ lean_inc(x_116);
 lean_dec(x_110);
 x_117 = lean_unsigned_to_nat(0u);
 x_118 = l_Lean_Expr_getAppNumArgsAux___main(x_98, x_117);
-x_119 = l_Lean_Expr_inhabited___closed__1;
+x_119 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_118);
 x_120 = lean_mk_array(x_118, x_119);
 x_121 = lean_unsigned_to_nat(1u);
 x_122 = lean_nat_sub(x_118, x_121);
 lean_dec(x_118);
-x_123 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_98, x_120, x_122);
+x_123 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_98, x_120, x_122);
 x_124 = lean_array_get_size(x_123);
 x_125 = lean_nat_dec_eq(x_115, x_124);
 lean_dec(x_124);
@@ -14908,13 +14935,13 @@ lean_inc(x_208);
 lean_dec(x_202);
 x_209 = lean_unsigned_to_nat(0u);
 x_210 = l_Lean_Expr_getAppNumArgsAux___main(x_189, x_209);
-x_211 = l_Lean_Expr_inhabited___closed__1;
+x_211 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_210);
 x_212 = lean_mk_array(x_210, x_211);
 x_213 = lean_unsigned_to_nat(1u);
 x_214 = lean_nat_sub(x_210, x_213);
 lean_dec(x_210);
-x_215 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_189, x_212, x_214);
+x_215 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_189, x_212, x_214);
 x_216 = lean_array_get_size(x_215);
 x_217 = lean_nat_dec_eq(x_207, x_216);
 lean_dec(x_216);
@@ -15382,7 +15409,7 @@ x_63 = lean_ctor_get(x_2, 0);
 lean_inc(x_63);
 lean_dec(x_2);
 x_64 = lean_level_mk_succ(x_63);
-x_65 = lean_expr_mk_sort(x_64);
+x_65 = l_Lean_mkSort(x_64);
 x_66 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_66, 0, x_65);
 lean_ctor_set(x_66, 1, x_4);
@@ -15410,14 +15437,14 @@ x_71 = l_Lean_Expr_getAppFn___main(x_70);
 lean_dec(x_70);
 x_72 = lean_unsigned_to_nat(0u);
 x_73 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_72);
-x_74 = l_Lean_Expr_inhabited___closed__1;
+x_74 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_73);
 x_75 = lean_mk_array(x_73, x_74);
 x_76 = lean_unsigned_to_nat(1u);
 x_77 = lean_nat_sub(x_73, x_76);
 lean_dec(x_73);
 lean_inc(x_2);
-x_78 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_75, x_77);
+x_78 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_75, x_77);
 x_79 = lean_ctor_get(x_4, 2);
 lean_inc(x_79);
 x_80 = lean_ctor_get(x_79, 0);
@@ -16087,11 +16114,21 @@ lean_ctor_set(x_233, 1, x_4);
 return x_233;
 }
 }
+case 12:
+{
+lean_object* x_234; lean_object* x_235; lean_object* x_236; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_234 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_235 = l_unreachable_x21___rarg(x_234);
+x_236 = lean_apply_2(x_235, x_3, x_4);
+return x_236;
+}
 default: 
 {
-lean_object* x_234; 
-x_234 = lean_box(0);
-x_5 = x_234;
+lean_object* x_237; 
+x_237 = lean_box(0);
+x_5 = x_237;
 goto block_55;
 }
 }
@@ -17173,17 +17210,26 @@ lean_ctor_set(x_49, 0, x_48);
 lean_ctor_set(x_49, 1, x_3);
 return x_49;
 }
+case 12:
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+lean_dec(x_1);
+x_50 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_51 = l_unreachable_x21___rarg(x_50);
+x_52 = lean_apply_2(x_51, x_2, x_3);
+return x_52;
+}
 default: 
 {
-uint8_t x_50; lean_object* x_51; lean_object* x_52; 
+uint8_t x_53; lean_object* x_54; lean_object* x_55; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_50 = 0;
-x_51 = lean_box(x_50);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_3);
-return x_52;
+x_53 = 0;
+x_54 = lean_box(x_53);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_3);
+return x_55;
 }
 }
 }
diff --git a/stage0/library/Init/Lean/MetavarContext.c b/stage0/library/Init/Lean/MetavarContext.c
index 0528084cb4..faaa97bfde 100644
--- a/stage0/library/Init/Lean/MetavarContext.c
+++ b/stage0/library/Init/Lean/MetavarContext.c
@@ -17,8 +17,10 @@ lean_object* l___private_Init_Lean_MetavarContext_16__getMCtx(lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_addLevelMVarDecl___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__33___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl___closed__3;
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(lean_object*);
 uint8_t lean_metavar_ctx_is_level_assigned(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_unsafeCast(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -27,50 +29,43 @@ lean_object* l_HashMapImp_expand___at___private_Init_Lean_MetavarContext_8__visi
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignLevel___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx___boxed(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignDelayed___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_fvar(lean_object*);
+uint8_t l_Lean_Expr_hasFVar(lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__27___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_hasToString___closed__1;
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(lean_object*);
 extern lean_object* l_Lean_LocalContext_Inhabited___closed__3;
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65(lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at_Lean_MetavarContext_mkBinding___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_getLevelAssignment___spec__2(lean_object*, size_t, lean_object*);
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t l_USize_mul(size_t, size_t);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_17__getInScope(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__21(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toStringAux___main___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__3(uint8_t, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_findDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_forall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_AssocList_replace___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__7(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarDecl_Inhabited___closed__1;
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__1___closed__1;
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__29___boxed(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_findDecl___spec__1___boxed(lean_object*, lean_object*);
 extern lean_object* l_Lean_LocalDecl_Inhabited;
 uint8_t l_PersistentHashMap_contains___at_Lean_MetavarContext_isExprAssigned___spec__1(lean_object*, lean_object*);
 extern lean_object* l_Array_empty___closed__1;
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__10(lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_findLevelDepth(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_toString___closed__4;
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64(lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_AssocList_find___main___at___private_Init_Lean_MetavarContext_2__visit___spec__2(lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__2(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insert___at_Lean_MetavarContext_addLevelMVarDecl___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -81,10 +76,12 @@ lean_object* l_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl
 extern lean_object* l_Lean_Expr_updateMData_x21___closed__2;
 extern lean_object* l_List_repr___rarg___closed__3;
 lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__22___boxed(lean_object*, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getExprAssignment___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isLevelAssignable___boxed(lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_findDecl___spec__2___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_monadInhabited___rarg(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_findLevelDepth___spec__1___boxed(lean_object*, lean_object*);
@@ -93,35 +90,36 @@ lean_object* l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isD
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignExpr___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isLevelAssignable___closed__2;
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_MetavarContext_addExprMVarDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_let(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkLambda(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_MetavarContext_hasAssignedLevelMVar(lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__5___boxed(lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateT_Monad___rarg(lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getDelayedAssignment___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_17__getInScope___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_MetavarContext_addLevelMVarDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_findLevelDepth___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__37(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_moveEntries___main___at___private_Init_Lean_MetavarContext_2__visit___spec__6(lean_object*, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at_Lean_MetavarContext_mkBinding___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58(lean_object*);
 lean_object* lean_metavar_ctx_erase_delayed(lean_object*, lean_object*);
 lean_object* l_HashMapImp_expand___at___private_Init_Lean_MetavarContext_2__visit___spec__5(lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_DependsOn_main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_get_delayed_assignment(lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(lean_object*);
 size_t l_USize_sub(size_t, size_t);
+lean_object* l_Lean_mkLet(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__30___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_contains___at_Lean_MetavarContext_isDelayedAssigned___spec__1(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -131,7 +129,6 @@ lean_object* l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___b
 lean_object* l_AssocList_foldlM___main___at___private_Init_Lean_MetavarContext_2__visit___spec__7(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter___closed__4;
 lean_object* l_Lean_MetavarContext_instantiateLevelMVars(lean_object*, lean_object*);
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___boxed(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Lean_Name_toStringWithSep___main(lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -142,19 +139,17 @@ lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 uint8_t l_Lean_LocalContext_contains(lean_object*, lean_object*);
 lean_object* l_List_mapM___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isLevelAssignable___closed__1;
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l_Lean_MetavarContext_hasAssignedLevelMVar___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 extern lean_object* l_Nat_foldRevAux___main___at_Lean_LocalContext_mkBinding___spec__1___closed__1;
 lean_object* lean_metavar_ctx_get_expr_assignment(lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_13__collectDeps(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_eraseAux___main___at_Lean_MetavarContext_eraseDelayed___spec__2(lean_object*, size_t, lean_object*);
 uint8_t l_PersistentHashMap_contains___at_Lean_MetavarContext_isLevelAssigned___spec__1(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_findDecl___spec__1(lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_addExprMVarDecl___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getDelayedAssignment___spec__1(lean_object*, lean_object*);
 lean_object* l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1___boxed(lean_object*, lean_object*);
@@ -166,14 +161,13 @@ uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter;
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_20__mkMVarApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__17___boxed(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppRev(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__4(lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at___private_Init_Lean_MetavarContext_14__reduceLocalContext___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61(lean_object*);
 extern lean_object* l_Id_Monad;
 lean_object* l_List_toStringAux___main___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__3___boxed(lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__17(lean_object*, lean_object*);
@@ -183,12 +177,9 @@ lean_object* lean_expr_update_forall(lean_object*, uint8_t, lean_object*, lean_o
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_assignDelayed___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_14__reduceLocalContext(lean_object*, lean_object*);
 lean_object* lean_level_update_succ(lean_object*, lean_object*);
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_14__reduceLocalContext___boxed(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter___lambda__1(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl___boxed(lean_object*, lean_object*);
 lean_object* l_Array_toList___rarg(lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getLevelAssignment___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -197,10 +188,7 @@ uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__25(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_List_repr___rarg___closed__2;
 lean_object* l_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_15__visit(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_MetavarContext_isWellFormed___main___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__22(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_BinderInfo_isAuxDecl(uint8_t);
@@ -210,25 +198,22 @@ uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__
 lean_object* l_PersistentHashMap_contains___at_Lean_MetavarContext_isLevelAssigned___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getLevelAssignment___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_name_hash_usize(lean_object*);
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_findLevelDepth___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_addExprMVarDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_getLevelAssignment___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 uint8_t l_Lean_MetavarContext_isLevelAssignable(lean_object*, lean_object*);
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___boxed(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_3__getMCtx(lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62(lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_toString___closed__1;
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__38(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_MetavarContext_isExprAssignable(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__38___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_elimMVarDeps___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_findFVar(lean_object*, lean_object*);
-lean_object* l_Lean_MetavarContext_isWellFormed___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isLet(lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -237,9 +222,9 @@ lean_object* l_mkHashMap___at_Lean_MetavarContext_instantiateMVars___spec__1(lea
 extern lean_object* l_List_reprAux___main___rarg___closed__1;
 extern lean_object* l_Lean_Level_updateIMax_x21___closed__2;
 size_t l_USize_add(size_t, size_t);
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_PersistentHashMap_erase___at_Lean_MetavarContext_eraseDelayed___spec__1(lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_findDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getLevelAssignment___spec__1(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_MetavarContext_assignLevel___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -251,6 +236,7 @@ lean_object* l_mkHashSet___at_Lean_MetavarContext_exprDependsOn___spec__1(lean_o
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getExprAssignment___spec__1(lean_object*, lean_object*);
 lean_object* lean_expr_update_const(lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_instantiateMVars___closed__1;
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getExprAssignment___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__35(lean_object*, lean_object*);
@@ -259,7 +245,6 @@ lean_object* lean_mk_metavar_ctx(lean_object*);
 uint8_t l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isLevelAssigned___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__36___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(lean_object*, lean_object*);
 extern lean_object* l_Char_HasRepr___closed__1;
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_findLevelDepth___spec__1(lean_object*, lean_object*);
@@ -267,8 +252,9 @@ lean_object* l___private_Init_Lean_MetavarContext_17__getInScope___boxed(lean_ob
 lean_object* l_HashMapImp_moveEntries___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__5(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignDelayed___spec__4(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter___lambda__1___boxed(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___closed__1;
 uint8_t l_Lean_LocalDecl_binderInfo(lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__35___boxed(lean_object*, lean_object*);
@@ -276,40 +262,40 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 uint8_t l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_2__visit___spec__4(lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_assign_expr(lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_find___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkLambda(lean_object*, uint8_t, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__31(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_insert___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_AssocList_replace___main___at___private_Init_Lean_MetavarContext_2__visit___spec__8(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__4___boxed(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_addLevelMVarDecl___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_LocalContext_Inhabited___closed__2;
 size_t l_USize_shiftRight(size_t, size_t);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___closed__2;
 extern lean_object* l_Lean_Expr_updateLet_x21___closed__1;
 lean_object* l___private_Init_Lean_MetavarContext_4__modifyCtx(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__33(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(lean_object*);
 lean_object* l_PersistentHashMap_eraseAux___main___at_Lean_MetavarContext_eraseDelayed___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl___closed__2;
 lean_object* l_AssocList_find___main___at___private_Init_Lean_MetavarContext_2__visit___spec__2___boxed(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_proj(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_InstantiateExprMVars_main___main(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarDecl_Inhabited;
 lean_object* l___private_Init_Lean_MetavarContext_18__withFreshCache___rarg(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_11__abstractRange(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getDelayedAssignment___spec__1___boxed(lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_exprDependsOn___closed__1;
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getDelayedAssignment___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_mdata(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_toString___closed__3;
 lean_object* l___private_Init_Lean_MetavarContext_9__visit(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
@@ -325,6 +311,7 @@ lean_object* l_Lean_MetavarContext_hasAssignableLevelMVar___main___boxed(lean_ob
 lean_object* l_Lean_MetavarContext_getDecl___closed__1;
 lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___closed__3;
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_PersistentArray_getAux___main___rarg___closed__1;
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_MetavarContext_getLevelAssignment___spec__1___boxed(lean_object*, lean_object*);
@@ -332,14 +319,12 @@ uint8_t l_Lean_MetavarContext_hasAssignableLevelMVar(lean_object*, lean_object*)
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter___closed__2;
 lean_object* l_PersistentHashMap_insert___at_Lean_MetavarContext_assignExpr___spec__1(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_toString___closed__2;
 extern lean_object* l_Lean_Level_Inhabited;
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__20___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isDelayedAssigned___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_MetavarContext_InstantiateExprMVars_instantiateLevelMVars(lean_object*, lean_object*);
-lean_object* lean_expr_mk_mvar(lean_object*);
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 lean_object* l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isExprAssigned___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__15(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -359,8 +344,6 @@ uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_assignDelayed___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_addExprMVarDecl___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_2__visit___spec__4___boxed(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_abstract_range(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__2(lean_object*);
 extern lean_object* l_System_FilePath_dirName___closed__1;
@@ -368,29 +351,28 @@ lean_object* l___private_Init_Lean_MetavarContext_10__dep(lean_object*, lean_obj
 lean_object* l_panic(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_findLevelDepth___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_Lean_MetavarContext_hasAssignedMVar___main(lean_object*, lean_object*);
+lean_object* l_Lean_MetavarContext_hasAssignedMVar___main(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_20__mkMVarApp(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Exception_toString(lean_object*);
 lean_object* l_PersistentArray_anyM___rarg(lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
 lean_object* l_Lean_MetavarContext_Inhabited;
 lean_object* l_Lean_MetavarContext_mkBinding(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(lean_object*);
 lean_object* lean_name_mk_numeral(lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__1(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_EStateM_MonadState___closed__2;
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_Lean_MetavarContext_isWellFormed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MetavarContext_isWellFormed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__11___boxed(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__21___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_findDecl___spec__2(lean_object*, size_t, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_HashMap_Inhabited___closed__1;
 lean_object* l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__23___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isDelayedAssigned___boxed(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isApp(lean_object*);
@@ -402,7 +384,6 @@ lean_object* lean_array_get_size(lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_eraseIdx_x27___rarg(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_MetavarContext_assignDelayed___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66(lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_MetavarContext_getExprAssignment___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_isSubPrefixOf(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isExprAssignable___boxed(lean_object*, lean_object*);
@@ -411,18 +392,17 @@ extern lean_object* l_EIO_Monad___closed__1;
 lean_object* l_Lean_MetavarContext_mkForall(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignLevel___spec__4(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_metavar_ctx_is_expr_assigned(lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60(lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkForall(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__10___boxed(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__18(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_indexOfAux___main___at_Lean_LocalContext_erase___spec__3(lean_object*, lean_object*, lean_object*);
 size_t l_USize_shiftLeft(size_t, size_t);
 lean_object* l_mkHashMapImp___rarg(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_assignExpr___spec__4(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__36(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_assignExpr___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* lean_metavar_ctx_find_decl(lean_object*, lean_object*);
 lean_object* l_HashMapImp_contains___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__1___boxed(lean_object*, lean_object*);
@@ -431,15 +411,12 @@ lean_object* l_PersistentHashMap_insert___at_Lean_MetavarContext_assignLevel___s
 lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_localDeclDependsOn(lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_isExprAssigned___boxed(lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_Lean_MetavarContext_hasAssignedMVar(lean_object*, lean_object*);
+lean_object* l_Lean_MetavarContext_hasAssignedMVar(lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateLambdaE_x21___closed__1;
 lean_object* l_EStateM_bind___rarg(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* lean_metavar_ctx_mk_decl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__34(lean_object*, lean_object*);
 lean_object* l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__3(lean_object*, lean_object*, lean_object*);
@@ -449,18 +426,16 @@ lean_object* l_Lean_MetavarContext_Inhabited___closed__1;
 lean_object* lean_metavar_ctx_assign_delayed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63(lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_hasMVar(lean_object*);
 uint8_t l_HashMapImp_contains___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__1(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
-lean_object* lean_expr_mk_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insert___at_Lean_MetavarContext_assignDelayed___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_index(lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_18__withFreshCache(lean_object*);
 lean_object* l_PersistentHashMap_erase___at_Lean_MetavarContext_eraseDelayed___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__16___boxed(lean_object*, lean_object*);
-lean_object* l_Lean_MetavarContext_hasAssignedMVar___main___boxed(lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_contains___at_Lean_MetavarContext_isDelayedAssigned___spec__1___boxed(lean_object*, lean_object*);
 uint8_t l_USize_decLe(size_t, size_t);
 uint8_t l_Lean_MetavarContext_hasAssignableLevelMVar___main(lean_object*, lean_object*);
@@ -472,26 +447,25 @@ uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_findLevelDepth___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_addLevelMVarDecl(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_6__instantiateDelayed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(lean_object*);
 extern uint8_t l_Bool_Inhabited;
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__26___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_level_update_max(lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isExprAssigned___spec__2(lean_object*, size_t, lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
+uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 extern lean_object* l_Lean_Expr_Hashable;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_getExprAssignment___spec__2(lean_object*, size_t, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__20(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___lambda__1(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_17__getInScope___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59(lean_object*);
 lean_object* lean_expr_abstract(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_addExprMVarDecl___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_Lean_MonadHashMapCacheAdapter___lambda__2(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux(lean_object*, lean_object*, lean_object*);
+lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_20__mkMVarApp___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_sort(lean_object*, lean_object*);
@@ -500,46 +474,34 @@ uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__colle
 lean_object* l_Lean_MetavarContext_exprDependsOn(lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__23(lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateProj_x21___closed__2;
-lean_object* l_Lean_MetavarContext_hasAssignedMVar___boxed(lean_object*, lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_updateForallE_x21___closed__1;
 lean_object* lean_metavar_ctx_assign_level(lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__28(lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at_Lean_MetavarContext_mkBinding___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_findLevelDepth___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__34___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_2__visit(lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_containsAtAux___main___at_Lean_LocalContext_contains___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___lambda__1___boxed(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_MetavarContext_getDelayedAssignment___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at___private_Init_Lean_MetavarContext_14__reduceLocalContext___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 lean_object* l_AssocList_foldlM___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__6(lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_List_repr___rarg___closed__1;
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53___boxed(lean_object*, lean_object*);
-uint8_t l_Lean_MetavarContext_isWellFormed___main(lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MetavarContext_isWellFormed___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_containsAux___main___at_Lean_MetavarContext_isLevelAssigned___spec__2___boxed(lean_object*, lean_object*, lean_object*);
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_instantiateLevelMVars___main(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_InstantiateExprMVars_main(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___at_Lean_MetavarContext_mkBinding___spec__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_MetavarContext_addExprMVarDecl___spec__4(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_let(lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_level_mvar(lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 extern lean_object* l_String_splitAux___main___closed__1;
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_MetavarContext_assignLevel___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -558,7 +520,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
 x_1 = lean_box(0);
 x_2 = l_Lean_LocalContext_Inhabited___closed__3;
-x_3 = l_Lean_Expr_inhabited___closed__1;
+x_3 = l_Lean_Expr_Inhabited___closed__1;
 x_4 = lean_unsigned_to_nat(0u);
 x_5 = 0;
 x_6 = lean_alloc_ctor(0, 4, 1);
@@ -5614,672 +5576,448 @@ return x_8;
 }
 }
 }
-uint8_t l_Lean_MetavarContext_hasAssignedMVar___main(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_MetavarContext_hasAssignedMVar___main(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
 case 2:
 {
-lean_object* x_3; uint8_t x_4; 
+lean_object* x_3; uint8_t x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_2, 0);
 lean_inc(x_3);
 lean_dec(x_2);
 x_4 = lean_metavar_ctx_is_expr_assigned(x_1, x_3);
-return x_4;
+x_5 = lean_box(x_4);
+return x_5;
 }
 case 3:
 {
-lean_object* x_5; uint8_t x_6; 
-x_5 = lean_ctor_get(x_2, 0);
-lean_inc(x_5);
+lean_object* x_6; uint8_t x_7; lean_object* x_8; 
+x_6 = lean_ctor_get(x_2, 0);
+lean_inc(x_6);
 lean_dec(x_2);
-x_6 = l_Lean_MetavarContext_hasAssignedLevelMVar___main(x_1, x_5);
-return x_6;
+x_7 = l_Lean_MetavarContext_hasAssignedLevelMVar___main(x_1, x_6);
+x_8 = lean_box(x_7);
+return x_8;
 }
 case 4:
 {
-lean_object* x_7; uint8_t x_8; uint8_t x_9; 
-x_7 = lean_ctor_get(x_2, 1);
-lean_inc(x_7);
+lean_object* x_9; uint8_t x_10; uint8_t x_11; lean_object* x_12; 
+x_9 = lean_ctor_get(x_2, 1);
+lean_inc(x_9);
 lean_dec(x_2);
-x_8 = 0;
-x_9 = l_List_foldr___main___at_Lean_MetavarContext_hasAssignedMVar___main___spec__1(x_1, x_8, x_7);
-return x_9;
+x_10 = 0;
+x_11 = l_List_foldr___main___at_Lean_MetavarContext_hasAssignedMVar___main___spec__1(x_1, x_10, x_9);
+x_12 = lean_box(x_11);
+return x_12;
 }
 case 5:
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_2, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_2, 1);
-lean_inc(x_11);
+lean_object* x_13; lean_object* x_14; uint8_t x_15; 
+x_13 = lean_ctor_get(x_2, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_2, 1);
+lean_inc(x_14);
 lean_dec(x_2);
-x_12 = lean_expr_has_expr_mvar(x_10);
-if (x_12 == 0)
-{
-uint8_t x_13; 
-x_13 = lean_expr_has_level_mvar(x_10);
-if (x_13 == 0)
-{
-uint8_t x_14; 
-lean_dec(x_10);
-x_14 = lean_expr_has_expr_mvar(x_11);
-if (x_14 == 0)
-{
-uint8_t x_15; 
-x_15 = lean_expr_has_level_mvar(x_11);
+x_15 = l_Lean_Expr_hasMVar(x_13);
 if (x_15 == 0)
 {
 uint8_t x_16; 
-lean_dec(x_11);
+lean_dec(x_13);
+x_16 = l_Lean_Expr_hasMVar(x_14);
+if (x_16 == 0)
+{
+uint8_t x_17; lean_object* x_18; 
+lean_dec(x_14);
 lean_dec(x_1);
-x_16 = 0;
-return x_16;
+x_17 = 0;
+x_18 = lean_box(x_17);
+return x_18;
 }
 else
 {
-x_2 = x_11;
+x_2 = x_14;
 goto _start;
 }
 }
 else
 {
-x_2 = x_11;
-goto _start;
-}
-}
-else
-{
-uint8_t x_19; 
+lean_object* x_20; uint8_t x_21; 
 lean_inc(x_1);
-x_19 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_10);
-if (x_19 == 0)
-{
-uint8_t x_20; 
-x_20 = lean_expr_has_expr_mvar(x_11);
-if (x_20 == 0)
-{
-uint8_t x_21; 
-x_21 = lean_expr_has_level_mvar(x_11);
+x_20 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_13);
+x_21 = lean_unbox(x_20);
+lean_dec(x_20);
 if (x_21 == 0)
 {
-lean_dec(x_11);
+uint8_t x_22; 
+x_22 = l_Lean_Expr_hasMVar(x_14);
+if (x_22 == 0)
+{
+lean_object* x_23; 
+lean_dec(x_14);
 lean_dec(x_1);
-return x_19;
+x_23 = lean_box(x_21);
+return x_23;
 }
 else
 {
-x_2 = x_11;
+x_2 = x_14;
 goto _start;
 }
 }
 else
 {
-x_2 = x_11;
-goto _start;
-}
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_11);
+uint8_t x_25; lean_object* x_26; 
+lean_dec(x_14);
 lean_dec(x_1);
-x_24 = 1;
-return x_24;
-}
-}
-}
-else
-{
-uint8_t x_25; 
-lean_inc(x_1);
-x_25 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_10);
-if (x_25 == 0)
-{
-uint8_t x_26; 
-x_26 = lean_expr_has_expr_mvar(x_11);
-if (x_26 == 0)
-{
-uint8_t x_27; 
-x_27 = lean_expr_has_level_mvar(x_11);
-if (x_27 == 0)
-{
-lean_dec(x_11);
-lean_dec(x_1);
-return x_25;
-}
-else
-{
-x_2 = x_11;
-goto _start;
-}
-}
-else
-{
-x_2 = x_11;
-goto _start;
-}
-}
-else
-{
-uint8_t x_30; 
-lean_dec(x_11);
-lean_dec(x_1);
-x_30 = 1;
-return x_30;
+x_25 = 1;
+x_26 = lean_box(x_25);
+return x_26;
 }
 }
 }
 case 6:
 {
-lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_31 = lean_ctor_get(x_2, 1);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_2, 2);
-lean_inc(x_32);
+lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_27 = lean_ctor_get(x_2, 1);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_2, 2);
+lean_inc(x_28);
 lean_dec(x_2);
-x_33 = lean_expr_has_expr_mvar(x_31);
-if (x_33 == 0)
+x_29 = l_Lean_Expr_hasMVar(x_27);
+if (x_29 == 0)
 {
-uint8_t x_34; 
-x_34 = lean_expr_has_level_mvar(x_31);
-if (x_34 == 0)
+uint8_t x_30; 
+lean_dec(x_27);
+x_30 = l_Lean_Expr_hasMVar(x_28);
+if (x_30 == 0)
 {
-uint8_t x_35; 
-lean_dec(x_31);
-x_35 = lean_expr_has_expr_mvar(x_32);
+uint8_t x_31; lean_object* x_32; 
+lean_dec(x_28);
+lean_dec(x_1);
+x_31 = 0;
+x_32 = lean_box(x_31);
+return x_32;
+}
+else
+{
+x_2 = x_28;
+goto _start;
+}
+}
+else
+{
+lean_object* x_34; uint8_t x_35; 
+lean_inc(x_1);
+x_34 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_27);
+x_35 = lean_unbox(x_34);
+lean_dec(x_34);
 if (x_35 == 0)
 {
 uint8_t x_36; 
-x_36 = lean_expr_has_level_mvar(x_32);
+x_36 = l_Lean_Expr_hasMVar(x_28);
 if (x_36 == 0)
 {
-uint8_t x_37; 
-lean_dec(x_32);
+lean_object* x_37; 
+lean_dec(x_28);
 lean_dec(x_1);
-x_37 = 0;
+x_37 = lean_box(x_35);
 return x_37;
 }
 else
 {
-x_2 = x_32;
+x_2 = x_28;
 goto _start;
 }
 }
 else
 {
-x_2 = x_32;
-goto _start;
-}
-}
-else
-{
-uint8_t x_40; 
-lean_inc(x_1);
-x_40 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_31);
-if (x_40 == 0)
-{
-uint8_t x_41; 
-x_41 = lean_expr_has_expr_mvar(x_32);
-if (x_41 == 0)
-{
-uint8_t x_42; 
-x_42 = lean_expr_has_level_mvar(x_32);
-if (x_42 == 0)
-{
-lean_dec(x_32);
+uint8_t x_39; lean_object* x_40; 
+lean_dec(x_28);
 lean_dec(x_1);
+x_39 = 1;
+x_40 = lean_box(x_39);
 return x_40;
 }
-else
-{
-x_2 = x_32;
-goto _start;
-}
-}
-else
-{
-x_2 = x_32;
-goto _start;
-}
-}
-else
-{
-uint8_t x_45; 
-lean_dec(x_32);
-lean_dec(x_1);
-x_45 = 1;
-return x_45;
-}
-}
-}
-else
-{
-uint8_t x_46; 
-lean_inc(x_1);
-x_46 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_31);
-if (x_46 == 0)
-{
-uint8_t x_47; 
-x_47 = lean_expr_has_expr_mvar(x_32);
-if (x_47 == 0)
-{
-uint8_t x_48; 
-x_48 = lean_expr_has_level_mvar(x_32);
-if (x_48 == 0)
-{
-lean_dec(x_32);
-lean_dec(x_1);
-return x_46;
-}
-else
-{
-x_2 = x_32;
-goto _start;
-}
-}
-else
-{
-x_2 = x_32;
-goto _start;
-}
-}
-else
-{
-uint8_t x_51; 
-lean_dec(x_32);
-lean_dec(x_1);
-x_51 = 1;
-return x_51;
-}
 }
 }
 case 7:
 {
-lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-x_52 = lean_ctor_get(x_2, 1);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_2, 2);
-lean_inc(x_53);
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_ctor_get(x_2, 1);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_2, 2);
+lean_inc(x_42);
 lean_dec(x_2);
-x_54 = lean_expr_has_expr_mvar(x_52);
-if (x_54 == 0)
+x_43 = l_Lean_Expr_hasMVar(x_41);
+if (x_43 == 0)
 {
-uint8_t x_55; 
-x_55 = lean_expr_has_level_mvar(x_52);
-if (x_55 == 0)
+uint8_t x_44; 
+lean_dec(x_41);
+x_44 = l_Lean_Expr_hasMVar(x_42);
+if (x_44 == 0)
 {
-uint8_t x_56; 
-lean_dec(x_52);
-x_56 = lean_expr_has_expr_mvar(x_53);
-if (x_56 == 0)
-{
-uint8_t x_57; 
-x_57 = lean_expr_has_level_mvar(x_53);
-if (x_57 == 0)
-{
-uint8_t x_58; 
-lean_dec(x_53);
+uint8_t x_45; lean_object* x_46; 
+lean_dec(x_42);
 lean_dec(x_1);
-x_58 = 0;
-return x_58;
+x_45 = 0;
+x_46 = lean_box(x_45);
+return x_46;
 }
 else
 {
-x_2 = x_53;
+x_2 = x_42;
 goto _start;
 }
 }
 else
 {
-x_2 = x_53;
-goto _start;
-}
-}
-else
-{
-uint8_t x_61; 
+lean_object* x_48; uint8_t x_49; 
 lean_inc(x_1);
-x_61 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_52);
-if (x_61 == 0)
+x_48 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_41);
+x_49 = lean_unbox(x_48);
+lean_dec(x_48);
+if (x_49 == 0)
 {
-uint8_t x_62; 
-x_62 = lean_expr_has_expr_mvar(x_53);
-if (x_62 == 0)
+uint8_t x_50; 
+x_50 = l_Lean_Expr_hasMVar(x_42);
+if (x_50 == 0)
 {
-uint8_t x_63; 
-x_63 = lean_expr_has_level_mvar(x_53);
-if (x_63 == 0)
-{
-lean_dec(x_53);
+lean_object* x_51; 
+lean_dec(x_42);
 lean_dec(x_1);
-return x_61;
+x_51 = lean_box(x_49);
+return x_51;
 }
 else
 {
-x_2 = x_53;
+x_2 = x_42;
 goto _start;
 }
 }
 else
 {
-x_2 = x_53;
-goto _start;
-}
-}
-else
-{
-uint8_t x_66; 
-lean_dec(x_53);
+uint8_t x_53; lean_object* x_54; 
+lean_dec(x_42);
 lean_dec(x_1);
-x_66 = 1;
-return x_66;
-}
-}
-}
-else
-{
-uint8_t x_67; 
-lean_inc(x_1);
-x_67 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_52);
-if (x_67 == 0)
-{
-uint8_t x_68; 
-x_68 = lean_expr_has_expr_mvar(x_53);
-if (x_68 == 0)
-{
-uint8_t x_69; 
-x_69 = lean_expr_has_level_mvar(x_53);
-if (x_69 == 0)
-{
-lean_dec(x_53);
-lean_dec(x_1);
-return x_67;
-}
-else
-{
-x_2 = x_53;
-goto _start;
-}
-}
-else
-{
-x_2 = x_53;
-goto _start;
-}
-}
-else
-{
-uint8_t x_72; 
-lean_dec(x_53);
-lean_dec(x_1);
-x_72 = 1;
-return x_72;
+x_53 = 1;
+x_54 = lean_box(x_53);
+return x_54;
 }
 }
 }
 case 8:
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; uint8_t x_97; 
-x_73 = lean_ctor_get(x_2, 1);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_2, 2);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_2, 3);
-lean_inc(x_75);
+lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_55 = lean_ctor_get(x_2, 1);
+lean_inc(x_55);
+x_56 = lean_ctor_get(x_2, 2);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_2, 3);
+lean_inc(x_57);
 lean_dec(x_2);
-x_97 = lean_expr_has_expr_mvar(x_73);
-if (x_97 == 0)
+x_58 = l_Lean_Expr_hasMVar(x_55);
+if (x_58 == 0)
 {
-uint8_t x_98; 
-x_98 = lean_expr_has_level_mvar(x_73);
-if (x_98 == 0)
+uint8_t x_59; 
+lean_dec(x_55);
+x_59 = l_Lean_Expr_hasMVar(x_56);
+if (x_59 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_73);
-x_99 = 0;
-x_76 = x_99;
-goto block_96;
-}
-else
+uint8_t x_60; 
+lean_dec(x_56);
+x_60 = l_Lean_Expr_hasMVar(x_57);
+if (x_60 == 0)
 {
-uint8_t x_100; 
-lean_inc(x_1);
-x_100 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_73);
-if (x_100 == 0)
-{
-x_76 = x_100;
-goto block_96;
-}
-else
-{
-uint8_t x_101; 
-lean_dec(x_75);
-lean_dec(x_74);
+uint8_t x_61; lean_object* x_62; 
+lean_dec(x_57);
 lean_dec(x_1);
-x_101 = 1;
-return x_101;
+x_61 = 0;
+x_62 = lean_box(x_61);
+return x_62;
 }
+else
+{
+x_2 = x_57;
+goto _start;
 }
 }
 else
 {
-uint8_t x_102; 
+lean_object* x_64; uint8_t x_65; 
 lean_inc(x_1);
-x_102 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_73);
-if (x_102 == 0)
+x_64 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_56);
+x_65 = lean_unbox(x_64);
+lean_dec(x_64);
+if (x_65 == 0)
 {
-x_76 = x_102;
-goto block_96;
+uint8_t x_66; 
+x_66 = l_Lean_Expr_hasMVar(x_57);
+if (x_66 == 0)
+{
+lean_object* x_67; 
+lean_dec(x_57);
+lean_dec(x_1);
+x_67 = lean_box(x_65);
+return x_67;
 }
 else
 {
-uint8_t x_103; 
-lean_dec(x_75);
-lean_dec(x_74);
+x_2 = x_57;
+goto _start;
+}
+}
+else
+{
+uint8_t x_69; lean_object* x_70; 
+lean_dec(x_57);
 lean_dec(x_1);
-x_103 = 1;
-return x_103;
+x_69 = 1;
+x_70 = lean_box(x_69);
+return x_70;
 }
 }
-block_96:
+}
+else
 {
-uint8_t x_77; 
-x_77 = lean_expr_has_expr_mvar(x_74);
-if (x_77 == 0)
+lean_object* x_71; uint8_t x_72; 
+lean_inc(x_1);
+x_71 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_55);
+x_72 = lean_unbox(x_71);
+lean_dec(x_71);
+if (x_72 == 0)
 {
-uint8_t x_78; 
-x_78 = lean_expr_has_level_mvar(x_74);
+uint8_t x_73; 
+x_73 = l_Lean_Expr_hasMVar(x_56);
+if (x_73 == 0)
+{
+uint8_t x_74; 
+lean_dec(x_56);
+x_74 = l_Lean_Expr_hasMVar(x_57);
+if (x_74 == 0)
+{
+lean_object* x_75; 
+lean_dec(x_57);
+lean_dec(x_1);
+x_75 = lean_box(x_72);
+return x_75;
+}
+else
+{
+x_2 = x_57;
+goto _start;
+}
+}
+else
+{
+lean_object* x_77; uint8_t x_78; 
+lean_inc(x_1);
+x_77 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_56);
+x_78 = lean_unbox(x_77);
+lean_dec(x_77);
 if (x_78 == 0)
 {
-lean_dec(x_74);
-if (x_76 == 0)
-{
 uint8_t x_79; 
-x_79 = lean_expr_has_expr_mvar(x_75);
+x_79 = l_Lean_Expr_hasMVar(x_57);
 if (x_79 == 0)
 {
-uint8_t x_80; 
-x_80 = lean_expr_has_level_mvar(x_75);
-if (x_80 == 0)
-{
-lean_dec(x_75);
+lean_object* x_80; 
+lean_dec(x_57);
 lean_dec(x_1);
-return x_76;
+x_80 = lean_box(x_78);
+return x_80;
 }
 else
 {
-x_2 = x_75;
+x_2 = x_57;
 goto _start;
 }
 }
 else
 {
-x_2 = x_75;
-goto _start;
-}
-}
-else
-{
-uint8_t x_83; 
-lean_dec(x_75);
+uint8_t x_82; lean_object* x_83; 
+lean_dec(x_57);
 lean_dec(x_1);
-x_83 = 1;
+x_82 = 1;
+x_83 = lean_box(x_82);
 return x_83;
 }
 }
+}
 else
 {
-uint8_t x_84; 
-lean_inc(x_1);
-x_84 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_74);
-if (x_84 == 0)
-{
-uint8_t x_85; 
-x_85 = lean_expr_has_expr_mvar(x_75);
-if (x_85 == 0)
-{
-uint8_t x_86; 
-x_86 = lean_expr_has_level_mvar(x_75);
-if (x_86 == 0)
-{
-lean_dec(x_75);
+uint8_t x_84; lean_object* x_85; 
+lean_dec(x_57);
+lean_dec(x_56);
 lean_dec(x_1);
-return x_84;
-}
-else
-{
-x_2 = x_75;
-goto _start;
-}
-}
-else
-{
-x_2 = x_75;
-goto _start;
-}
-}
-else
-{
-uint8_t x_89; 
-lean_dec(x_75);
-lean_dec(x_1);
-x_89 = 1;
-return x_89;
-}
-}
-}
-else
-{
-uint8_t x_90; 
-lean_inc(x_1);
-x_90 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_74);
-if (x_90 == 0)
-{
-uint8_t x_91; 
-x_91 = lean_expr_has_expr_mvar(x_75);
-if (x_91 == 0)
-{
-uint8_t x_92; 
-x_92 = lean_expr_has_level_mvar(x_75);
-if (x_92 == 0)
-{
-lean_dec(x_75);
-lean_dec(x_1);
-return x_90;
-}
-else
-{
-x_2 = x_75;
-goto _start;
-}
-}
-else
-{
-x_2 = x_75;
-goto _start;
-}
-}
-else
-{
-uint8_t x_95; 
-lean_dec(x_75);
-lean_dec(x_1);
-x_95 = 1;
-return x_95;
-}
+x_84 = 1;
+x_85 = lean_box(x_84);
+return x_85;
 }
 }
 }
 case 10:
 {
-lean_object* x_104; uint8_t x_105; 
-x_104 = lean_ctor_get(x_2, 1);
-lean_inc(x_104);
+lean_object* x_86; uint8_t x_87; 
+x_86 = lean_ctor_get(x_2, 1);
+lean_inc(x_86);
 lean_dec(x_2);
-x_105 = lean_expr_has_expr_mvar(x_104);
-if (x_105 == 0)
+x_87 = l_Lean_Expr_hasMVar(x_86);
+if (x_87 == 0)
 {
-uint8_t x_106; 
-x_106 = lean_expr_has_level_mvar(x_104);
-if (x_106 == 0)
-{
-uint8_t x_107; 
-lean_dec(x_104);
+uint8_t x_88; lean_object* x_89; 
+lean_dec(x_86);
 lean_dec(x_1);
-x_107 = 0;
-return x_107;
+x_88 = 0;
+x_89 = lean_box(x_88);
+return x_89;
 }
 else
 {
-x_2 = x_104;
-goto _start;
-}
-}
-else
-{
-x_2 = x_104;
+x_2 = x_86;
 goto _start;
 }
 }
 case 11:
 {
-lean_object* x_110; uint8_t x_111; 
-x_110 = lean_ctor_get(x_2, 2);
-lean_inc(x_110);
+lean_object* x_91; uint8_t x_92; 
+x_91 = lean_ctor_get(x_2, 2);
+lean_inc(x_91);
 lean_dec(x_2);
-x_111 = lean_expr_has_expr_mvar(x_110);
-if (x_111 == 0)
+x_92 = l_Lean_Expr_hasMVar(x_91);
+if (x_92 == 0)
 {
-uint8_t x_112; 
-x_112 = lean_expr_has_level_mvar(x_110);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-lean_dec(x_110);
+uint8_t x_93; lean_object* x_94; 
+lean_dec(x_91);
 lean_dec(x_1);
-x_113 = 0;
-return x_113;
+x_93 = 0;
+x_94 = lean_box(x_93);
+return x_94;
 }
 else
 {
-x_2 = x_110;
+x_2 = x_91;
 goto _start;
 }
 }
-else
+case 12:
 {
-x_2 = x_110;
-goto _start;
-}
+uint8_t x_96; lean_object* x_97; lean_object* x_98; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_96 = l_Bool_Inhabited;
+x_97 = lean_box(x_96);
+x_98 = l_unreachable_x21___rarg(x_97);
+return x_98;
 }
 default: 
 {
-uint8_t x_116; 
+uint8_t x_99; lean_object* x_100; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_116 = 0;
-return x_116;
+x_99 = 0;
+x_100 = lean_box(x_99);
+return x_100;
 }
 }
 }
@@ -6295,32 +6033,14 @@ x_6 = lean_box(x_5);
 return x_6;
 }
 }
-lean_object* l_Lean_MetavarContext_hasAssignedMVar___main___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_MetavarContext_hasAssignedMVar(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_2);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-uint8_t l_Lean_MetavarContext_hasAssignedMVar(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; 
+lean_object* x_3; 
 x_3 = l_Lean_MetavarContext_hasAssignedMVar___main(x_1, x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_MetavarContext_hasAssignedMVar___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_Lean_MetavarContext_hasAssignedMVar(x_1, x_2);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
 uint8_t l_Lean_MetavarContext_hasAssignableLevelMVar___main(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -6816,7 +6536,7 @@ _start:
 lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; lean_object* x_7; lean_object* x_8; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = lean_expr_hash(x_2);
+x_5 = l_Lean_Expr_hash(x_2);
 x_6 = lean_usize_modn(x_5, x_4);
 lean_dec(x_4);
 x_7 = lean_array_uget(x_3, x_6);
@@ -6871,7 +6591,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; le
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = lean_expr_hash(x_4);
+x_7 = l_Lean_Expr_hash(x_4);
 x_8 = lean_usize_modn(x_7, x_6);
 lean_dec(x_6);
 x_9 = lean_array_uget(x_1, x_8);
@@ -6892,7 +6612,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = lean_expr_hash(x_12);
+x_16 = l_Lean_Expr_hash(x_12);
 x_17 = lean_usize_modn(x_16, x_15);
 lean_dec(x_15);
 x_18 = lean_array_uget(x_1, x_17);
@@ -7039,7 +6759,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; le
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = lean_expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_2);
 x_9 = lean_usize_modn(x_8, x_7);
 x_10 = lean_array_uget(x_6, x_9);
 x_11 = l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_2__visit___spec__4(x_2, x_10);
@@ -7089,7 +6809,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = lean_expr_hash(x_2);
+x_23 = l_Lean_Expr_hash(x_2);
 x_24 = lean_usize_modn(x_23, x_22);
 x_25 = lean_array_uget(x_21, x_24);
 x_26 = l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_2__visit___spec__4(x_2, x_25);
@@ -7139,209 +6859,109 @@ lean_object* l___private_Init_Lean_MetavarContext_2__visit(lean_object* x_1, lea
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_expr_mvar(x_2);
+x_4 = l_Lean_Expr_hasMVar(x_2);
 if (x_4 == 0)
 {
-uint8_t x_5; 
-x_5 = lean_expr_has_level_mvar(x_2);
-if (x_5 == 0)
-{
-lean_object* x_6; 
+lean_object* x_5; 
 lean_dec(x_1);
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_2);
-lean_ctor_set(x_6, 1, x_3);
-return x_6;
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_2);
+lean_ctor_set(x_5, 1, x_3);
+return x_5;
 }
 else
 {
-lean_object* x_7; lean_object* x_8; 
-x_7 = lean_ctor_get(x_3, 1);
-lean_inc(x_7);
-x_8 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_7, x_2);
-lean_dec(x_7);
-if (lean_obj_tag(x_8) == 0)
+lean_object* x_6; lean_object* x_7; 
+x_6 = lean_ctor_get(x_3, 1);
+lean_inc(x_6);
+x_7 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_6, x_2);
+lean_dec(x_6);
+if (lean_obj_tag(x_7) == 0)
 {
-lean_object* x_9; uint8_t x_10; 
+lean_object* x_8; uint8_t x_9; 
 lean_inc(x_2);
-x_9 = lean_apply_2(x_1, x_2, x_3);
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
+x_8 = lean_apply_2(x_1, x_2, x_3);
+x_9 = !lean_is_exclusive(x_8);
+if (x_9 == 0)
 {
-lean_object* x_11; uint8_t x_12; 
-x_11 = lean_ctor_get(x_9, 1);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_ctor_get(x_8, 1);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_9, 0);
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-x_15 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_14, x_2, x_13);
-lean_ctor_set(x_11, 1, x_15);
-return x_9;
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_8, 0);
+x_13 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+x_14 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_13, x_2, x_12);
+lean_ctor_set(x_10, 1, x_14);
+return x_8;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_16 = lean_ctor_get(x_9, 0);
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_8, 0);
+x_16 = lean_ctor_get(x_10, 0);
+x_17 = lean_ctor_get(x_10, 1);
 lean_inc(x_17);
-lean_dec(x_11);
 lean_inc(x_16);
-x_19 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_18, x_2, x_16);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_17);
-lean_ctor_set(x_20, 1, x_19);
-lean_ctor_set(x_9, 1, x_20);
-return x_9;
+lean_dec(x_10);
+lean_inc(x_15);
+x_18 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_17, x_2, x_15);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_16);
+lean_ctor_set(x_19, 1, x_18);
+lean_ctor_set(x_8, 1, x_19);
+return x_8;
 }
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_21 = lean_ctor_get(x_9, 1);
-x_22 = lean_ctor_get(x_9, 0);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_20 = lean_ctor_get(x_8, 1);
+x_21 = lean_ctor_get(x_8, 0);
+lean_inc(x_20);
 lean_inc(x_21);
-lean_inc(x_22);
-lean_dec(x_9);
-x_23 = lean_ctor_get(x_21, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_21, 1);
-lean_inc(x_24);
-if (lean_is_exclusive(x_21)) {
- lean_ctor_release(x_21, 0);
- lean_ctor_release(x_21, 1);
- x_25 = x_21;
-} else {
- lean_dec_ref(x_21);
- x_25 = lean_box(0);
-}
-lean_inc(x_22);
-x_26 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_24, x_2, x_22);
-if (lean_is_scalar(x_25)) {
- x_27 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_27 = x_25;
-}
-lean_ctor_set(x_27, 0, x_23);
-lean_ctor_set(x_27, 1, x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_22);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-else
-{
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = lean_ctor_get(x_8, 0);
-lean_inc(x_29);
 lean_dec(x_8);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_3);
-return x_30;
-}
-}
-}
-else
-{
-lean_object* x_31; lean_object* x_32; 
-x_31 = lean_ctor_get(x_3, 1);
-lean_inc(x_31);
-x_32 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_31, x_2);
-lean_dec(x_31);
-if (lean_obj_tag(x_32) == 0)
-{
-lean_object* x_33; uint8_t x_34; 
-lean_inc(x_2);
-x_33 = lean_apply_2(x_1, x_2, x_3);
-x_34 = !lean_is_exclusive(x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_33, 1);
-x_36 = !lean_is_exclusive(x_35);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_33, 0);
-x_38 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-x_39 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_38, x_2, x_37);
-lean_ctor_set(x_35, 1, x_39);
-return x_33;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_40 = lean_ctor_get(x_33, 0);
-x_41 = lean_ctor_get(x_35, 0);
-x_42 = lean_ctor_get(x_35, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_35);
-lean_inc(x_40);
-x_43 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_42, x_2, x_40);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_41);
-lean_ctor_set(x_44, 1, x_43);
-lean_ctor_set(x_33, 1, x_44);
-return x_33;
-}
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_45 = lean_ctor_get(x_33, 1);
-x_46 = lean_ctor_get(x_33, 0);
-lean_inc(x_45);
-lean_inc(x_46);
-lean_dec(x_33);
-x_47 = lean_ctor_get(x_45, 0);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_45, 1);
-lean_inc(x_48);
-if (lean_is_exclusive(x_45)) {
- lean_ctor_release(x_45, 0);
- lean_ctor_release(x_45, 1);
- x_49 = x_45;
+x_22 = lean_ctor_get(x_20, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_20, 1);
+lean_inc(x_23);
+if (lean_is_exclusive(x_20)) {
+ lean_ctor_release(x_20, 0);
+ lean_ctor_release(x_20, 1);
+ x_24 = x_20;
 } else {
- lean_dec_ref(x_45);
- x_49 = lean_box(0);
+ lean_dec_ref(x_20);
+ x_24 = lean_box(0);
 }
-lean_inc(x_46);
-x_50 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_48, x_2, x_46);
-if (lean_is_scalar(x_49)) {
- x_51 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_21);
+x_25 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_23, x_2, x_21);
+if (lean_is_scalar(x_24)) {
+ x_26 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_51 = x_49;
+ x_26 = x_24;
 }
-lean_ctor_set(x_51, 0, x_47);
-lean_ctor_set(x_51, 1, x_50);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_46);
-lean_ctor_set(x_52, 1, x_51);
-return x_52;
+lean_ctor_set(x_26, 0, x_22);
+lean_ctor_set(x_26, 1, x_25);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_21);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
 }
 }
 else
 {
-lean_object* x_53; lean_object* x_54; 
+lean_object* x_28; lean_object* x_29; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_53 = lean_ctor_get(x_32, 0);
-lean_inc(x_53);
-lean_dec(x_32);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_53);
-lean_ctor_set(x_54, 1, x_3);
-return x_54;
+x_28 = lean_ctor_get(x_7, 0);
+lean_inc(x_28);
+lean_dec(x_7);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_3);
+return x_29;
 }
 }
 }
@@ -7450,7 +7070,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l_Lean_MetavarContext_getDecl___closed__1;
-x_2 = lean_unsigned_to_nat(388u);
+x_2 = lean_unsigned_to_nat(389u);
 x_3 = lean_unsigned_to_nat(12u);
 x_4 = l_Nat_foldRevAux___main___at_Lean_LocalContext_mkBinding___spec__1___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -7469,7 +7089,7 @@ lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_
 x_9 = lean_unsigned_to_nat(1u);
 x_10 = lean_nat_sub(x_4, x_9);
 lean_dec(x_4);
-x_11 = l_Lean_Expr_inhabited;
+x_11 = l_Lean_Expr_Inhabited;
 x_12 = lean_array_get(x_11, x_3, x_10);
 lean_inc(x_2);
 x_13 = l_Lean_LocalContext_findFVar(x_2, x_12);
@@ -7495,605 +7115,563 @@ lean_inc(x_18);
 lean_dec(x_13);
 if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; uint8_t x_34; 
+lean_object* x_19; lean_object* x_20; uint8_t x_21; uint8_t x_22; 
 x_19 = lean_ctor_get(x_18, 2);
 lean_inc(x_19);
 x_20 = lean_ctor_get(x_18, 3);
 lean_inc(x_20);
 x_21 = lean_ctor_get_uint8(x_18, sizeof(void*)*4);
 lean_dec(x_18);
-x_34 = lean_expr_has_expr_mvar(x_20);
-if (x_34 == 0)
+x_22 = l_Lean_Expr_hasMVar(x_20);
+if (x_22 == 0)
 {
-uint8_t x_35; 
-x_35 = lean_expr_has_level_mvar(x_20);
-if (x_35 == 0)
-{
-x_22 = x_20;
-x_23 = x_6;
-goto block_33;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_6, 1);
-lean_inc(x_36);
-x_37 = l_Lean_Expr_HasBeq;
-x_38 = l_Lean_Expr_Hashable;
-lean_inc(x_20);
-x_39 = l_HashMapImp_find___rarg(x_37, x_38, x_36, x_20);
-lean_dec(x_36);
-if (lean_obj_tag(x_39) == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_inc(x_1);
-lean_inc(x_20);
-x_40 = lean_apply_2(x_1, x_20, x_6);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_40, 0);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = !lean_is_exclusive(x_41);
-if (x_43 == 0)
-{
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-x_45 = l_HashMapImp_insert___rarg(x_37, x_38, x_44, x_20, x_42);
-lean_ctor_set(x_41, 1, x_45);
-x_22 = x_42;
-x_23 = x_41;
-goto block_33;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_46 = lean_ctor_get(x_41, 0);
-x_47 = lean_ctor_get(x_41, 1);
-lean_inc(x_47);
-lean_inc(x_46);
-lean_dec(x_41);
-lean_inc(x_42);
-x_48 = l_HashMapImp_insert___rarg(x_37, x_38, x_47, x_20, x_42);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_46);
-lean_ctor_set(x_49, 1, x_48);
-x_22 = x_42;
-x_23 = x_49;
-goto block_33;
-}
-}
-else
-{
-lean_object* x_50; 
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_expr_abstract_range(x_20, x_10, x_3);
 lean_dec(x_20);
-x_50 = lean_ctor_get(x_39, 0);
-lean_inc(x_50);
-lean_dec(x_39);
-x_22 = x_50;
-x_23 = x_6;
-goto block_33;
-}
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_51 = lean_ctor_get(x_6, 1);
-lean_inc(x_51);
-x_52 = l_Lean_Expr_HasBeq;
-x_53 = l_Lean_Expr_Hashable;
-lean_inc(x_20);
-x_54 = l_HashMapImp_find___rarg(x_52, x_53, x_51, x_20);
-lean_dec(x_51);
-if (lean_obj_tag(x_54) == 0)
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
-lean_inc(x_1);
-lean_inc(x_20);
-x_55 = lean_apply_2(x_1, x_20, x_6);
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 0);
-lean_inc(x_57);
-lean_dec(x_55);
-x_58 = !lean_is_exclusive(x_56);
-if (x_58 == 0)
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-x_60 = l_HashMapImp_insert___rarg(x_52, x_53, x_59, x_20, x_57);
-lean_ctor_set(x_56, 1, x_60);
-x_22 = x_57;
-x_23 = x_56;
-goto block_33;
-}
-else
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_61 = lean_ctor_get(x_56, 0);
-x_62 = lean_ctor_get(x_56, 1);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_56);
-lean_inc(x_57);
-x_63 = l_HashMapImp_insert___rarg(x_52, x_53, x_62, x_20, x_57);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_61);
-lean_ctor_set(x_64, 1, x_63);
-x_22 = x_57;
-x_23 = x_64;
-goto block_33;
-}
-}
-else
-{
-lean_object* x_65; 
-lean_dec(x_20);
-x_65 = lean_ctor_get(x_54, 0);
-lean_inc(x_65);
-lean_dec(x_54);
-x_22 = x_65;
-x_23 = x_6;
-goto block_33;
-}
-}
-block_33:
-{
-uint8_t x_24; 
-x_24 = lean_expr_has_expr_mvar(x_22);
-if (x_24 == 0)
-{
-uint8_t x_25; 
-x_25 = lean_expr_has_level_mvar(x_22);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_expr_abstract_range(x_22, x_10, x_3);
-lean_dec(x_22);
-x_27 = lean_expr_mk_lambda(x_19, x_21, x_26, x_5);
+x_24 = l_Lean_mkLambda(x_19, x_21, x_23, x_5);
 x_4 = x_10;
-x_5 = x_27;
-x_6 = x_23;
+x_5 = x_24;
 goto _start;
 }
 else
 {
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_22);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_26 = lean_ctor_get(x_6, 1);
+lean_inc(x_26);
+x_27 = l_Lean_Expr_HasBeq;
+x_28 = l_Lean_Expr_Hashable;
+lean_inc(x_20);
+x_29 = l_HashMapImp_find___rarg(x_27, x_28, x_26, x_20);
+lean_dec(x_26);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; uint8_t x_31; 
+lean_inc(x_1);
+lean_inc(x_20);
+x_30 = lean_apply_2(x_1, x_20, x_6);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = lean_ctor_get(x_30, 1);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_34 = lean_ctor_get(x_30, 0);
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_34);
+x_36 = l_HashMapImp_insert___rarg(x_27, x_28, x_35, x_20, x_34);
+lean_ctor_set(x_32, 1, x_36);
+x_37 = l_Lean_Expr_hasMVar(x_34);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+lean_free_object(x_30);
+x_38 = lean_expr_abstract_range(x_34, x_10, x_3);
+lean_dec(x_34);
+x_39 = l_Lean_mkLambda(x_19, x_21, x_38, x_5);
+x_4 = x_10;
+x_5 = x_39;
+x_6 = x_32;
+goto _start;
+}
+else
+{
+lean_object* x_41; 
+lean_dec(x_34);
 lean_dec(x_19);
 lean_dec(x_10);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_23);
+x_41 = lean_box(0);
+lean_ctor_set(x_30, 0, x_41);
 return x_30;
 }
 }
 else
 {
-lean_object* x_31; lean_object* x_32; 
-lean_dec(x_22);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_42 = lean_ctor_get(x_30, 0);
+x_43 = lean_ctor_get(x_32, 0);
+x_44 = lean_ctor_get(x_32, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_32);
+lean_inc(x_42);
+x_45 = l_HashMapImp_insert___rarg(x_27, x_28, x_44, x_20, x_42);
+x_46 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_46, 0, x_43);
+lean_ctor_set(x_46, 1, x_45);
+x_47 = l_Lean_Expr_hasMVar(x_42);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+lean_free_object(x_30);
+x_48 = lean_expr_abstract_range(x_42, x_10, x_3);
+lean_dec(x_42);
+x_49 = l_Lean_mkLambda(x_19, x_21, x_48, x_5);
+x_4 = x_10;
+x_5 = x_49;
+x_6 = x_46;
+goto _start;
+}
+else
+{
+lean_object* x_51; 
+lean_dec(x_42);
 lean_dec(x_19);
 lean_dec(x_10);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_31 = lean_box(0);
-x_32 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_32, 1, x_23);
-return x_32;
+x_51 = lean_box(0);
+lean_ctor_set(x_30, 1, x_46);
+lean_ctor_set(x_30, 0, x_51);
+return x_30;
 }
 }
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_123; 
-x_66 = lean_ctor_get(x_18, 2);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_18, 3);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_18, 4);
-lean_inc(x_68);
-lean_dec(x_18);
-x_123 = lean_expr_has_expr_mvar(x_67);
-if (x_123 == 0)
-{
-uint8_t x_124; 
-x_124 = lean_expr_has_level_mvar(x_67);
-if (x_124 == 0)
-{
-x_69 = x_67;
-x_70 = x_6;
-goto block_122;
+lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_52 = lean_ctor_get(x_30, 1);
+x_53 = lean_ctor_get(x_30, 0);
+lean_inc(x_52);
+lean_inc(x_53);
+lean_dec(x_30);
+x_54 = lean_ctor_get(x_52, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_52, 1);
+lean_inc(x_55);
+if (lean_is_exclusive(x_52)) {
+ lean_ctor_release(x_52, 0);
+ lean_ctor_release(x_52, 1);
+ x_56 = x_52;
+} else {
+ lean_dec_ref(x_52);
+ x_56 = lean_box(0);
 }
-else
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
-x_125 = lean_ctor_get(x_6, 1);
-lean_inc(x_125);
-x_126 = l_Lean_Expr_HasBeq;
-x_127 = l_Lean_Expr_Hashable;
-lean_inc(x_67);
-x_128 = l_HashMapImp_find___rarg(x_126, x_127, x_125, x_67);
-lean_dec(x_125);
-if (lean_obj_tag(x_128) == 0)
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; uint8_t x_132; 
-lean_inc(x_1);
-lean_inc(x_67);
-x_129 = lean_apply_2(x_1, x_67, x_6);
-x_130 = lean_ctor_get(x_129, 1);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_129, 0);
-lean_inc(x_131);
-lean_dec(x_129);
-x_132 = !lean_is_exclusive(x_130);
-if (x_132 == 0)
-{
-lean_object* x_133; lean_object* x_134; 
-x_133 = lean_ctor_get(x_130, 1);
-lean_inc(x_131);
-x_134 = l_HashMapImp_insert___rarg(x_126, x_127, x_133, x_67, x_131);
-lean_ctor_set(x_130, 1, x_134);
-x_69 = x_131;
-x_70 = x_130;
-goto block_122;
+lean_inc(x_53);
+x_57 = l_HashMapImp_insert___rarg(x_27, x_28, x_55, x_20, x_53);
+if (lean_is_scalar(x_56)) {
+ x_58 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_58 = x_56;
 }
-else
+lean_ctor_set(x_58, 0, x_54);
+lean_ctor_set(x_58, 1, x_57);
+x_59 = l_Lean_Expr_hasMVar(x_53);
+if (x_59 == 0)
 {
-lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_135 = lean_ctor_get(x_130, 0);
-x_136 = lean_ctor_get(x_130, 1);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_dec(x_130);
-lean_inc(x_131);
-x_137 = l_HashMapImp_insert___rarg(x_126, x_127, x_136, x_67, x_131);
-x_138 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_138, 0, x_135);
-lean_ctor_set(x_138, 1, x_137);
-x_69 = x_131;
-x_70 = x_138;
-goto block_122;
-}
-}
-else
-{
-lean_object* x_139; 
-lean_dec(x_67);
-x_139 = lean_ctor_get(x_128, 0);
-lean_inc(x_139);
-lean_dec(x_128);
-x_69 = x_139;
-x_70 = x_6;
-goto block_122;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-x_140 = lean_ctor_get(x_6, 1);
-lean_inc(x_140);
-x_141 = l_Lean_Expr_HasBeq;
-x_142 = l_Lean_Expr_Hashable;
-lean_inc(x_67);
-x_143 = l_HashMapImp_find___rarg(x_141, x_142, x_140, x_67);
-lean_dec(x_140);
-if (lean_obj_tag(x_143) == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; uint8_t x_147; 
-lean_inc(x_1);
-lean_inc(x_67);
-x_144 = lean_apply_2(x_1, x_67, x_6);
-x_145 = lean_ctor_get(x_144, 1);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_144, 0);
-lean_inc(x_146);
-lean_dec(x_144);
-x_147 = !lean_is_exclusive(x_145);
-if (x_147 == 0)
-{
-lean_object* x_148; lean_object* x_149; 
-x_148 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
-x_149 = l_HashMapImp_insert___rarg(x_141, x_142, x_148, x_67, x_146);
-lean_ctor_set(x_145, 1, x_149);
-x_69 = x_146;
-x_70 = x_145;
-goto block_122;
-}
-else
-{
-lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_150 = lean_ctor_get(x_145, 0);
-x_151 = lean_ctor_get(x_145, 1);
-lean_inc(x_151);
-lean_inc(x_150);
-lean_dec(x_145);
-lean_inc(x_146);
-x_152 = l_HashMapImp_insert___rarg(x_141, x_142, x_151, x_67, x_146);
-x_153 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_153, 0, x_150);
-lean_ctor_set(x_153, 1, x_152);
-x_69 = x_146;
-x_70 = x_153;
-goto block_122;
-}
-}
-else
-{
-lean_object* x_154; 
-lean_dec(x_67);
-x_154 = lean_ctor_get(x_143, 0);
-lean_inc(x_154);
-lean_dec(x_143);
-x_69 = x_154;
-x_70 = x_6;
-goto block_122;
-}
-}
-block_122:
-{
-lean_object* x_71; lean_object* x_72; uint8_t x_84; 
-x_84 = lean_expr_has_expr_mvar(x_69);
-if (x_84 == 0)
-{
-uint8_t x_85; 
-x_85 = lean_expr_has_level_mvar(x_69);
-if (x_85 == 0)
-{
-uint8_t x_86; 
-x_86 = lean_expr_has_expr_mvar(x_68);
-if (x_86 == 0)
-{
-uint8_t x_87; 
-x_87 = lean_expr_has_level_mvar(x_68);
-if (x_87 == 0)
-{
-x_71 = x_68;
-x_72 = x_70;
-goto block_83;
-}
-else
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_88 = lean_ctor_get(x_70, 1);
-lean_inc(x_88);
-x_89 = l_Lean_Expr_HasBeq;
-x_90 = l_Lean_Expr_Hashable;
-lean_inc(x_68);
-x_91 = l_HashMapImp_find___rarg(x_89, x_90, x_88, x_68);
-lean_dec(x_88);
-if (lean_obj_tag(x_91) == 0)
-{
-lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; 
-lean_inc(x_1);
-lean_inc(x_68);
-x_92 = lean_apply_2(x_1, x_68, x_70);
-x_93 = lean_ctor_get(x_92, 1);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_92, 0);
-lean_inc(x_94);
-lean_dec(x_92);
-x_95 = !lean_is_exclusive(x_93);
-if (x_95 == 0)
-{
-lean_object* x_96; lean_object* x_97; 
-x_96 = lean_ctor_get(x_93, 1);
-lean_inc(x_94);
-x_97 = l_HashMapImp_insert___rarg(x_89, x_90, x_96, x_68, x_94);
-lean_ctor_set(x_93, 1, x_97);
-x_71 = x_94;
-x_72 = x_93;
-goto block_83;
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_98 = lean_ctor_get(x_93, 0);
-x_99 = lean_ctor_get(x_93, 1);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_dec(x_93);
-lean_inc(x_94);
-x_100 = l_HashMapImp_insert___rarg(x_89, x_90, x_99, x_68, x_94);
-x_101 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_101, 0, x_98);
-lean_ctor_set(x_101, 1, x_100);
-x_71 = x_94;
-x_72 = x_101;
-goto block_83;
-}
-}
-else
-{
-lean_object* x_102; 
-lean_dec(x_68);
-x_102 = lean_ctor_get(x_91, 0);
-lean_inc(x_102);
-lean_dec(x_91);
-x_71 = x_102;
-x_72 = x_70;
-goto block_83;
-}
-}
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get(x_70, 1);
-lean_inc(x_103);
-x_104 = l_Lean_Expr_HasBeq;
-x_105 = l_Lean_Expr_Hashable;
-lean_inc(x_68);
-x_106 = l_HashMapImp_find___rarg(x_104, x_105, x_103, x_68);
-lean_dec(x_103);
-if (lean_obj_tag(x_106) == 0)
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; 
-lean_inc(x_1);
-lean_inc(x_68);
-x_107 = lean_apply_2(x_1, x_68, x_70);
-x_108 = lean_ctor_get(x_107, 1);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_107, 0);
-lean_inc(x_109);
-lean_dec(x_107);
-x_110 = !lean_is_exclusive(x_108);
-if (x_110 == 0)
-{
-lean_object* x_111; lean_object* x_112; 
-x_111 = lean_ctor_get(x_108, 1);
-lean_inc(x_109);
-x_112 = l_HashMapImp_insert___rarg(x_104, x_105, x_111, x_68, x_109);
-lean_ctor_set(x_108, 1, x_112);
-x_71 = x_109;
-x_72 = x_108;
-goto block_83;
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_113 = lean_ctor_get(x_108, 0);
-x_114 = lean_ctor_get(x_108, 1);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_dec(x_108);
-lean_inc(x_109);
-x_115 = l_HashMapImp_insert___rarg(x_104, x_105, x_114, x_68, x_109);
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_113);
-lean_ctor_set(x_116, 1, x_115);
-x_71 = x_109;
-x_72 = x_116;
-goto block_83;
-}
-}
-else
-{
-lean_object* x_117; 
-lean_dec(x_68);
-x_117 = lean_ctor_get(x_106, 0);
-lean_inc(x_117);
-lean_dec(x_106);
-x_71 = x_117;
-x_72 = x_70;
-goto block_83;
-}
-}
-}
-else
-{
-lean_object* x_118; lean_object* x_119; 
-lean_dec(x_69);
-lean_dec(x_68);
-lean_dec(x_66);
-lean_dec(x_10);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_118 = lean_box(0);
-x_119 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_119, 0, x_118);
-lean_ctor_set(x_119, 1, x_70);
-return x_119;
-}
-}
-else
-{
-lean_object* x_120; lean_object* x_121; 
-lean_dec(x_69);
-lean_dec(x_68);
-lean_dec(x_66);
-lean_dec(x_10);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_120 = lean_box(0);
-x_121 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_121, 0, x_120);
-lean_ctor_set(x_121, 1, x_70);
-return x_121;
-}
-block_83:
-{
-uint8_t x_73; 
-x_73 = lean_expr_has_expr_mvar(x_71);
-if (x_73 == 0)
-{
-uint8_t x_74; 
-x_74 = lean_expr_has_level_mvar(x_71);
-if (x_74 == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_75 = lean_expr_abstract_range(x_69, x_10, x_3);
-lean_dec(x_69);
-x_76 = lean_expr_abstract_range(x_71, x_10, x_3);
-lean_dec(x_71);
-x_77 = lean_expr_mk_let(x_66, x_75, x_76, x_5);
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_expr_abstract_range(x_53, x_10, x_3);
+lean_dec(x_53);
+x_61 = l_Lean_mkLambda(x_19, x_21, x_60, x_5);
 x_4 = x_10;
-x_5 = x_77;
-x_6 = x_72;
+x_5 = x_61;
+x_6 = x_58;
 goto _start;
 }
 else
 {
-lean_object* x_79; lean_object* x_80; 
-lean_dec(x_71);
-lean_dec(x_69);
-lean_dec(x_66);
+lean_object* x_63; lean_object* x_64; 
+lean_dec(x_53);
+lean_dec(x_19);
 lean_dec(x_10);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_79 = lean_box(0);
-x_80 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_72);
-return x_80;
+x_63 = lean_box(0);
+x_64 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_58);
+return x_64;
+}
 }
 }
 else
 {
-lean_object* x_81; lean_object* x_82; 
-lean_dec(x_71);
-lean_dec(x_69);
-lean_dec(x_66);
+lean_object* x_65; uint8_t x_66; 
+lean_dec(x_20);
+x_65 = lean_ctor_get(x_29, 0);
+lean_inc(x_65);
+lean_dec(x_29);
+x_66 = l_Lean_Expr_hasMVar(x_65);
+if (x_66 == 0)
+{
+lean_object* x_67; lean_object* x_68; 
+x_67 = lean_expr_abstract_range(x_65, x_10, x_3);
+lean_dec(x_65);
+x_68 = l_Lean_mkLambda(x_19, x_21, x_67, x_5);
+x_4 = x_10;
+x_5 = x_68;
+goto _start;
+}
+else
+{
+lean_object* x_70; lean_object* x_71; 
+lean_dec(x_65);
+lean_dec(x_19);
 lean_dec(x_10);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_81 = lean_box(0);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_72);
-return x_82;
+x_70 = lean_box(0);
+x_71 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_6);
+return x_71;
 }
 }
 }
 }
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_141; 
+x_72 = lean_ctor_get(x_18, 2);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_18, 3);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_18, 4);
+lean_inc(x_74);
+lean_dec(x_18);
+x_141 = l_Lean_Expr_hasMVar(x_73);
+if (x_141 == 0)
+{
+x_75 = x_73;
+x_76 = x_6;
+goto block_140;
+}
+else
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_142 = lean_ctor_get(x_6, 1);
+lean_inc(x_142);
+x_143 = l_Lean_Expr_HasBeq;
+x_144 = l_Lean_Expr_Hashable;
+lean_inc(x_73);
+x_145 = l_HashMapImp_find___rarg(x_143, x_144, x_142, x_73);
+lean_dec(x_142);
+if (lean_obj_tag(x_145) == 0)
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; uint8_t x_149; 
+lean_inc(x_1);
+lean_inc(x_73);
+x_146 = lean_apply_2(x_1, x_73, x_6);
+x_147 = lean_ctor_get(x_146, 1);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_146, 0);
+lean_inc(x_148);
+lean_dec(x_146);
+x_149 = !lean_is_exclusive(x_147);
+if (x_149 == 0)
+{
+lean_object* x_150; lean_object* x_151; 
+x_150 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+x_151 = l_HashMapImp_insert___rarg(x_143, x_144, x_150, x_73, x_148);
+lean_ctor_set(x_147, 1, x_151);
+x_75 = x_148;
+x_76 = x_147;
+goto block_140;
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_152 = lean_ctor_get(x_147, 0);
+x_153 = lean_ctor_get(x_147, 1);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_dec(x_147);
+lean_inc(x_148);
+x_154 = l_HashMapImp_insert___rarg(x_143, x_144, x_153, x_73, x_148);
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_152);
+lean_ctor_set(x_155, 1, x_154);
+x_75 = x_148;
+x_76 = x_155;
+goto block_140;
+}
+}
+else
+{
+lean_object* x_156; 
+lean_dec(x_73);
+x_156 = lean_ctor_get(x_145, 0);
+lean_inc(x_156);
+lean_dec(x_145);
+x_75 = x_156;
+x_76 = x_6;
+goto block_140;
+}
+}
+block_140:
+{
+uint8_t x_77; 
+x_77 = l_Lean_Expr_hasMVar(x_75);
+if (x_77 == 0)
+{
+uint8_t x_78; 
+x_78 = l_Lean_Expr_hasMVar(x_74);
+if (x_78 == 0)
+{
+lean_object* x_79; lean_object* x_80; uint8_t x_81; lean_object* x_82; 
+x_79 = lean_expr_abstract_range(x_75, x_10, x_3);
+lean_dec(x_75);
+x_80 = lean_expr_abstract_range(x_74, x_10, x_3);
+lean_dec(x_74);
+x_81 = 0;
+x_82 = l_Lean_mkLet(x_72, x_79, x_80, x_5, x_81);
+x_4 = x_10;
+x_5 = x_82;
+x_6 = x_76;
+goto _start;
+}
+else
+{
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_84 = lean_ctor_get(x_76, 1);
+lean_inc(x_84);
+x_85 = l_Lean_Expr_HasBeq;
+x_86 = l_Lean_Expr_Hashable;
+lean_inc(x_74);
+x_87 = l_HashMapImp_find___rarg(x_85, x_86, x_84, x_74);
+lean_dec(x_84);
+if (lean_obj_tag(x_87) == 0)
+{
+lean_object* x_88; uint8_t x_89; 
+lean_inc(x_1);
+lean_inc(x_74);
+x_88 = lean_apply_2(x_1, x_74, x_76);
+x_89 = !lean_is_exclusive(x_88);
+if (x_89 == 0)
+{
+lean_object* x_90; uint8_t x_91; 
+x_90 = lean_ctor_get(x_88, 1);
+x_91 = !lean_is_exclusive(x_90);
+if (x_91 == 0)
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; 
+x_92 = lean_ctor_get(x_88, 0);
+x_93 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+x_94 = l_HashMapImp_insert___rarg(x_85, x_86, x_93, x_74, x_92);
+lean_ctor_set(x_90, 1, x_94);
+x_95 = l_Lean_Expr_hasMVar(x_92);
+if (x_95 == 0)
+{
+lean_object* x_96; lean_object* x_97; uint8_t x_98; lean_object* x_99; 
+lean_free_object(x_88);
+x_96 = lean_expr_abstract_range(x_75, x_10, x_3);
+lean_dec(x_75);
+x_97 = lean_expr_abstract_range(x_92, x_10, x_3);
+lean_dec(x_92);
+x_98 = 0;
+x_99 = l_Lean_mkLet(x_72, x_96, x_97, x_5, x_98);
+x_4 = x_10;
+x_5 = x_99;
+x_6 = x_90;
+goto _start;
+}
+else
+{
+lean_object* x_101; 
+lean_dec(x_92);
+lean_dec(x_75);
+lean_dec(x_72);
+lean_dec(x_10);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_101 = lean_box(0);
+lean_ctor_set(x_88, 0, x_101);
+return x_88;
+}
+}
+else
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+x_102 = lean_ctor_get(x_88, 0);
+x_103 = lean_ctor_get(x_90, 0);
+x_104 = lean_ctor_get(x_90, 1);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_90);
+lean_inc(x_102);
+x_105 = l_HashMapImp_insert___rarg(x_85, x_86, x_104, x_74, x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_103);
+lean_ctor_set(x_106, 1, x_105);
+x_107 = l_Lean_Expr_hasMVar(x_102);
+if (x_107 == 0)
+{
+lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+lean_free_object(x_88);
+x_108 = lean_expr_abstract_range(x_75, x_10, x_3);
+lean_dec(x_75);
+x_109 = lean_expr_abstract_range(x_102, x_10, x_3);
+lean_dec(x_102);
+x_110 = 0;
+x_111 = l_Lean_mkLet(x_72, x_108, x_109, x_5, x_110);
+x_4 = x_10;
+x_5 = x_111;
+x_6 = x_106;
+goto _start;
+}
+else
+{
+lean_object* x_113; 
+lean_dec(x_102);
+lean_dec(x_75);
+lean_dec(x_72);
+lean_dec(x_10);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_113 = lean_box(0);
+lean_ctor_set(x_88, 1, x_106);
+lean_ctor_set(x_88, 0, x_113);
+return x_88;
+}
+}
+}
+else
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
+x_114 = lean_ctor_get(x_88, 1);
+x_115 = lean_ctor_get(x_88, 0);
+lean_inc(x_114);
+lean_inc(x_115);
+lean_dec(x_88);
+x_116 = lean_ctor_get(x_114, 0);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_114, 1);
+lean_inc(x_117);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_118 = x_114;
+} else {
+ lean_dec_ref(x_114);
+ x_118 = lean_box(0);
+}
+lean_inc(x_115);
+x_119 = l_HashMapImp_insert___rarg(x_85, x_86, x_117, x_74, x_115);
+if (lean_is_scalar(x_118)) {
+ x_120 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_120 = x_118;
+}
+lean_ctor_set(x_120, 0, x_116);
+lean_ctor_set(x_120, 1, x_119);
+x_121 = l_Lean_Expr_hasMVar(x_115);
+if (x_121 == 0)
+{
+lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; 
+x_122 = lean_expr_abstract_range(x_75, x_10, x_3);
+lean_dec(x_75);
+x_123 = lean_expr_abstract_range(x_115, x_10, x_3);
+lean_dec(x_115);
+x_124 = 0;
+x_125 = l_Lean_mkLet(x_72, x_122, x_123, x_5, x_124);
+x_4 = x_10;
+x_5 = x_125;
+x_6 = x_120;
+goto _start;
+}
+else
+{
+lean_object* x_127; lean_object* x_128; 
+lean_dec(x_115);
+lean_dec(x_75);
+lean_dec(x_72);
+lean_dec(x_10);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_127 = lean_box(0);
+x_128 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_120);
+return x_128;
+}
+}
+}
+else
+{
+lean_object* x_129; uint8_t x_130; 
+lean_dec(x_74);
+x_129 = lean_ctor_get(x_87, 0);
+lean_inc(x_129);
+lean_dec(x_87);
+x_130 = l_Lean_Expr_hasMVar(x_129);
+if (x_130 == 0)
+{
+lean_object* x_131; lean_object* x_132; uint8_t x_133; lean_object* x_134; 
+x_131 = lean_expr_abstract_range(x_75, x_10, x_3);
+lean_dec(x_75);
+x_132 = lean_expr_abstract_range(x_129, x_10, x_3);
+lean_dec(x_129);
+x_133 = 0;
+x_134 = l_Lean_mkLet(x_72, x_131, x_132, x_5, x_133);
+x_4 = x_10;
+x_5 = x_134;
+x_6 = x_76;
+goto _start;
+}
+else
+{
+lean_object* x_136; lean_object* x_137; 
+lean_dec(x_129);
+lean_dec(x_75);
+lean_dec(x_72);
+lean_dec(x_10);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_136 = lean_box(0);
+x_137 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_76);
+return x_137;
+}
+}
+}
+}
+else
+{
+lean_object* x_138; lean_object* x_139; 
+lean_dec(x_75);
+lean_dec(x_74);
+lean_dec(x_72);
+lean_dec(x_10);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_138 = lean_box(0);
+x_139 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_139, 0, x_138);
+lean_ctor_set(x_139, 1, x_76);
+return x_139;
+}
+}
+}
 }
 }
 else
 {
-lean_object* x_155; lean_object* x_156; 
+lean_object* x_157; lean_object* x_158; 
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_155 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_155, 0, x_5);
-x_156 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_156, 0, x_155);
-lean_ctor_set(x_156, 1, x_6);
-return x_156;
+x_157 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_157, 0, x_5);
+x_158 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_158, 0, x_157);
+lean_ctor_set(x_158, 1, x_6);
+return x_158;
 }
 }
 }
@@ -8126,7 +7704,7 @@ return x_7;
 lean_object* l___private_Init_Lean_MetavarContext_6__instantiateDelayed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_81; 
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_69; 
 x_5 = lean_ctor_get(x_3, 0);
 lean_inc(x_5);
 x_6 = lean_ctor_get(x_3, 1);
@@ -8134,379 +7712,273 @@ lean_inc(x_6);
 x_7 = lean_ctor_get(x_3, 2);
 lean_inc(x_7);
 lean_dec(x_3);
-x_81 = lean_expr_has_expr_mvar(x_7);
-if (x_81 == 0)
-{
-uint8_t x_82; 
-x_82 = lean_expr_has_level_mvar(x_7);
-if (x_82 == 0)
+x_69 = l_Lean_Expr_hasMVar(x_7);
+if (x_69 == 0)
 {
 x_8 = x_7;
 x_9 = x_4;
-goto block_80;
+goto block_68;
 }
 else
 {
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_4, 1);
-lean_inc(x_83);
-x_84 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_83, x_7);
-lean_dec(x_83);
-if (lean_obj_tag(x_84) == 0)
+lean_object* x_70; lean_object* x_71; 
+x_70 = lean_ctor_get(x_4, 1);
+lean_inc(x_70);
+x_71 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_70, x_7);
+lean_dec(x_70);
+if (lean_obj_tag(x_71) == 0)
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
+lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
 lean_inc(x_1);
 lean_inc(x_7);
-x_85 = lean_apply_2(x_1, x_7, x_4);
-x_86 = lean_ctor_get(x_85, 1);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_85, 0);
-lean_inc(x_87);
-lean_dec(x_85);
-x_88 = !lean_is_exclusive(x_86);
-if (x_88 == 0)
+x_72 = lean_apply_2(x_1, x_7, x_4);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_72, 0);
+lean_inc(x_74);
+lean_dec(x_72);
+x_75 = !lean_is_exclusive(x_73);
+if (x_75 == 0)
 {
-lean_object* x_89; lean_object* x_90; 
-x_89 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-x_90 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_89, x_7, x_87);
-lean_ctor_set(x_86, 1, x_90);
-x_8 = x_87;
-x_9 = x_86;
-goto block_80;
+lean_object* x_76; lean_object* x_77; 
+x_76 = lean_ctor_get(x_73, 1);
+lean_inc(x_74);
+x_77 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_76, x_7, x_74);
+lean_ctor_set(x_73, 1, x_77);
+x_8 = x_74;
+x_9 = x_73;
+goto block_68;
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_91 = lean_ctor_get(x_86, 0);
-x_92 = lean_ctor_get(x_86, 1);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_86);
-lean_inc(x_87);
-x_93 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_92, x_7, x_87);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_91);
-lean_ctor_set(x_94, 1, x_93);
-x_8 = x_87;
-x_9 = x_94;
-goto block_80;
+lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_78 = lean_ctor_get(x_73, 0);
+x_79 = lean_ctor_get(x_73, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_73);
+lean_inc(x_74);
+x_80 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_79, x_7, x_74);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_78);
+lean_ctor_set(x_81, 1, x_80);
+x_8 = x_74;
+x_9 = x_81;
+goto block_68;
 }
 }
 else
 {
-lean_object* x_95; 
+lean_object* x_82; 
 lean_dec(x_7);
-x_95 = lean_ctor_get(x_84, 0);
-lean_inc(x_95);
-lean_dec(x_84);
-x_8 = x_95;
+x_82 = lean_ctor_get(x_71, 0);
+lean_inc(x_82);
+lean_dec(x_71);
+x_8 = x_82;
 x_9 = x_4;
-goto block_80;
+goto block_68;
 }
 }
-}
-else
-{
-lean_object* x_96; lean_object* x_97; 
-x_96 = lean_ctor_get(x_4, 1);
-lean_inc(x_96);
-x_97 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_96, x_7);
-lean_dec(x_96);
-if (lean_obj_tag(x_97) == 0)
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
-lean_inc(x_1);
-lean_inc(x_7);
-x_98 = lean_apply_2(x_1, x_7, x_4);
-x_99 = lean_ctor_get(x_98, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_98, 0);
-lean_inc(x_100);
-lean_dec(x_98);
-x_101 = !lean_is_exclusive(x_99);
-if (x_101 == 0)
-{
-lean_object* x_102; lean_object* x_103; 
-x_102 = lean_ctor_get(x_99, 1);
-lean_inc(x_100);
-x_103 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_102, x_7, x_100);
-lean_ctor_set(x_99, 1, x_103);
-x_8 = x_100;
-x_9 = x_99;
-goto block_80;
-}
-else
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
-x_104 = lean_ctor_get(x_99, 0);
-x_105 = lean_ctor_get(x_99, 1);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_99);
-lean_inc(x_100);
-x_106 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_105, x_7, x_100);
-x_107 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_107, 0, x_104);
-lean_ctor_set(x_107, 1, x_106);
-x_8 = x_100;
-x_9 = x_107;
-goto block_80;
-}
-}
-else
-{
-lean_object* x_108; 
-lean_dec(x_7);
-x_108 = lean_ctor_get(x_97, 0);
-lean_inc(x_108);
-lean_dec(x_97);
-x_8 = x_108;
-x_9 = x_4;
-goto block_80;
-}
-}
-block_80:
+block_68:
 {
 uint8_t x_10; 
-x_10 = lean_expr_has_expr_mvar(x_8);
+x_10 = l_Lean_Expr_hasMVar(x_8);
 if (x_10 == 0)
 {
-uint8_t x_11; 
-x_11 = lean_expr_has_level_mvar(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = lean_array_get_size(x_6);
-x_13 = lean_expr_abstract(x_8, x_6);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = lean_array_get_size(x_6);
+x_12 = lean_expr_abstract(x_8, x_6);
 lean_inc(x_5);
-x_14 = l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main(x_1, x_5, x_6, x_12, x_13, x_9);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-if (lean_obj_tag(x_15) == 0)
+x_13 = l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main(x_1, x_5, x_6, x_11, x_12, x_9);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+if (lean_obj_tag(x_14) == 0)
 {
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_14);
-if (x_16 == 0)
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_13);
+if (x_15 == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = lean_ctor_get(x_14, 1);
-x_18 = lean_ctor_get(x_14, 0);
-lean_dec(x_18);
-x_19 = !lean_is_exclusive(x_17);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_17, 0);
-x_21 = lean_metavar_ctx_assign_delayed(x_20, x_2, x_5, x_6, x_8);
-lean_ctor_set(x_17, 0, x_21);
-x_22 = lean_box(0);
-lean_ctor_set(x_14, 0, x_22);
-return x_14;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_17, 0);
-x_24 = lean_ctor_get(x_17, 1);
-lean_inc(x_24);
-lean_inc(x_23);
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_16 = lean_ctor_get(x_13, 1);
+x_17 = lean_ctor_get(x_13, 0);
 lean_dec(x_17);
-x_25 = lean_metavar_ctx_assign_delayed(x_23, x_2, x_5, x_6, x_8);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_24);
-x_27 = lean_box(0);
-lean_ctor_set(x_14, 1, x_26);
-lean_ctor_set(x_14, 0, x_27);
-return x_14;
+x_18 = !lean_is_exclusive(x_16);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_16, 0);
+x_20 = lean_metavar_ctx_assign_delayed(x_19, x_2, x_5, x_6, x_8);
+lean_ctor_set(x_16, 0, x_20);
+x_21 = lean_box(0);
+lean_ctor_set(x_13, 0, x_21);
+return x_13;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_16, 0);
+x_23 = lean_ctor_get(x_16, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_16);
+x_24 = lean_metavar_ctx_assign_delayed(x_22, x_2, x_5, x_6, x_8);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+x_26 = lean_box(0);
+lean_ctor_set(x_13, 1, x_25);
+lean_ctor_set(x_13, 0, x_26);
+return x_13;
 }
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_28 = lean_ctor_get(x_14, 1);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_27 = lean_ctor_get(x_13, 1);
+lean_inc(x_27);
+lean_dec(x_13);
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_14);
-x_29 = lean_ctor_get(x_28, 0);
+x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_28, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_28)) {
- lean_ctor_release(x_28, 0);
- lean_ctor_release(x_28, 1);
- x_31 = x_28;
+if (lean_is_exclusive(x_27)) {
+ lean_ctor_release(x_27, 0);
+ lean_ctor_release(x_27, 1);
+ x_30 = x_27;
 } else {
- lean_dec_ref(x_28);
- x_31 = lean_box(0);
+ lean_dec_ref(x_27);
+ x_30 = lean_box(0);
 }
-x_32 = lean_metavar_ctx_assign_delayed(x_29, x_2, x_5, x_6, x_8);
-if (lean_is_scalar(x_31)) {
- x_33 = lean_alloc_ctor(0, 2, 0);
+x_31 = lean_metavar_ctx_assign_delayed(x_28, x_2, x_5, x_6, x_8);
+if (lean_is_scalar(x_30)) {
+ x_32 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_33 = x_31;
+ x_32 = x_30;
 }
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-x_34 = lean_box(0);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_33);
-return x_35;
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_29);
+x_33 = lean_box(0);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_32);
+return x_34;
 }
 }
 else
 {
-uint8_t x_36; 
+uint8_t x_35; 
 lean_dec(x_8);
 lean_dec(x_6);
 lean_dec(x_5);
-x_36 = !lean_is_exclusive(x_14);
-if (x_36 == 0)
+x_35 = !lean_is_exclusive(x_13);
+if (x_35 == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-x_37 = lean_ctor_get(x_14, 1);
-x_38 = lean_ctor_get(x_14, 0);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_15, 0);
-lean_inc(x_39);
-x_40 = !lean_is_exclusive(x_37);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_37, 0);
-lean_inc(x_2);
-x_42 = lean_metavar_ctx_erase_delayed(x_41, x_2);
-x_43 = lean_metavar_ctx_assign_expr(x_42, x_2, x_39);
-lean_ctor_set(x_37, 0, x_43);
-return x_14;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_44 = lean_ctor_get(x_37, 0);
-x_45 = lean_ctor_get(x_37, 1);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_36 = lean_ctor_get(x_13, 1);
+x_37 = lean_ctor_get(x_13, 0);
 lean_dec(x_37);
+x_38 = lean_ctor_get(x_14, 0);
+lean_inc(x_38);
+x_39 = !lean_is_exclusive(x_36);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_36, 0);
 lean_inc(x_2);
-x_46 = lean_metavar_ctx_erase_delayed(x_44, x_2);
-x_47 = lean_metavar_ctx_assign_expr(x_46, x_2, x_39);
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_45);
-lean_ctor_set(x_14, 1, x_48);
-return x_14;
+x_41 = lean_metavar_ctx_erase_delayed(x_40, x_2);
+x_42 = lean_metavar_ctx_assign_expr(x_41, x_2, x_38);
+lean_ctor_set(x_36, 0, x_42);
+return x_13;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_43 = lean_ctor_get(x_36, 0);
+x_44 = lean_ctor_get(x_36, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_36);
+lean_inc(x_2);
+x_45 = lean_metavar_ctx_erase_delayed(x_43, x_2);
+x_46 = lean_metavar_ctx_assign_expr(x_45, x_2, x_38);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_44);
+lean_ctor_set(x_13, 1, x_47);
+return x_13;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_49 = lean_ctor_get(x_14, 1);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_48 = lean_ctor_get(x_13, 1);
+lean_inc(x_48);
+lean_dec(x_13);
+x_49 = lean_ctor_get(x_14, 0);
 lean_inc(x_49);
-lean_dec(x_14);
-x_50 = lean_ctor_get(x_15, 0);
+x_50 = lean_ctor_get(x_48, 0);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 0);
+x_51 = lean_ctor_get(x_48, 1);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_49, 1);
-lean_inc(x_52);
-if (lean_is_exclusive(x_49)) {
- lean_ctor_release(x_49, 0);
- lean_ctor_release(x_49, 1);
- x_53 = x_49;
+if (lean_is_exclusive(x_48)) {
+ lean_ctor_release(x_48, 0);
+ lean_ctor_release(x_48, 1);
+ x_52 = x_48;
 } else {
- lean_dec_ref(x_49);
- x_53 = lean_box(0);
+ lean_dec_ref(x_48);
+ x_52 = lean_box(0);
 }
 lean_inc(x_2);
-x_54 = lean_metavar_ctx_erase_delayed(x_51, x_2);
-x_55 = lean_metavar_ctx_assign_expr(x_54, x_2, x_50);
-if (lean_is_scalar(x_53)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
+x_53 = lean_metavar_ctx_erase_delayed(x_50, x_2);
+x_54 = lean_metavar_ctx_assign_expr(x_53, x_2, x_49);
+if (lean_is_scalar(x_52)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_56 = x_53;
+ x_55 = x_52;
 }
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_52);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_15);
-lean_ctor_set(x_57, 1, x_56);
-return x_57;
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_51);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_14);
+lean_ctor_set(x_56, 1, x_55);
+return x_56;
 }
 }
 }
 else
 {
-uint8_t x_58; 
+uint8_t x_57; 
 lean_dec(x_1);
-x_58 = !lean_is_exclusive(x_9);
-if (x_58 == 0)
+x_57 = !lean_is_exclusive(x_9);
+if (x_57 == 0)
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_9, 0);
-x_60 = lean_metavar_ctx_assign_delayed(x_59, x_2, x_5, x_6, x_8);
-lean_ctor_set(x_9, 0, x_60);
-x_61 = lean_box(0);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_9);
-return x_62;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_metavar_ctx_assign_delayed(x_58, x_2, x_5, x_6, x_8);
+lean_ctor_set(x_9, 0, x_59);
+x_60 = lean_box(0);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_9);
+return x_61;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_63 = lean_ctor_get(x_9, 0);
-x_64 = lean_ctor_get(x_9, 1);
-lean_inc(x_64);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_62 = lean_ctor_get(x_9, 0);
+x_63 = lean_ctor_get(x_9, 1);
 lean_inc(x_63);
+lean_inc(x_62);
 lean_dec(x_9);
-x_65 = lean_metavar_ctx_assign_delayed(x_63, x_2, x_5, x_6, x_8);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_64);
-x_67 = lean_box(0);
-x_68 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_66);
-return x_68;
-}
-}
-}
-else
-{
-uint8_t x_69; 
-lean_dec(x_1);
-x_69 = !lean_is_exclusive(x_9);
-if (x_69 == 0)
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_70 = lean_ctor_get(x_9, 0);
-x_71 = lean_metavar_ctx_assign_delayed(x_70, x_2, x_5, x_6, x_8);
-lean_ctor_set(x_9, 0, x_71);
-x_72 = lean_box(0);
-x_73 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_73, 0, x_72);
-lean_ctor_set(x_73, 1, x_9);
-return x_73;
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_74 = lean_ctor_get(x_9, 0);
-x_75 = lean_ctor_get(x_9, 1);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_9);
-x_76 = lean_metavar_ctx_assign_delayed(x_74, x_2, x_5, x_6, x_8);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_75);
-x_78 = lean_box(0);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_77);
-return x_79;
+x_64 = lean_metavar_ctx_assign_delayed(x_62, x_2, x_5, x_6, x_8);
+x_65 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_65, 0, x_64);
+lean_ctor_set(x_65, 1, x_63);
+x_66 = lean_box(0);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
 }
 }
@@ -8524,7 +7996,7 @@ lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_o
 x_8 = lean_unsigned_to_nat(1u);
 x_9 = lean_nat_sub(x_3, x_8);
 lean_dec(x_3);
-x_10 = l_Lean_Expr_inhabited;
+x_10 = l_Lean_Expr_Inhabited;
 x_11 = lean_array_get(x_10, x_2, x_9);
 lean_inc(x_1);
 x_12 = l_Lean_LocalContext_findFVar(x_1, x_11);
@@ -8549,574 +8021,541 @@ lean_inc(x_17);
 lean_dec(x_12);
 if (lean_obj_tag(x_17) == 0)
 {
-lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; uint8_t x_33; 
+lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; 
 x_18 = lean_ctor_get(x_17, 2);
 lean_inc(x_18);
 x_19 = lean_ctor_get(x_17, 3);
 lean_inc(x_19);
 x_20 = lean_ctor_get_uint8(x_17, sizeof(void*)*4);
 lean_dec(x_17);
-x_33 = lean_expr_has_expr_mvar(x_19);
-if (x_33 == 0)
+x_21 = l_Lean_Expr_hasMVar(x_19);
+if (x_21 == 0)
 {
-uint8_t x_34; 
-x_34 = lean_expr_has_level_mvar(x_19);
-if (x_34 == 0)
-{
-x_21 = x_19;
-x_22 = x_5;
-goto block_32;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-x_35 = lean_ctor_get(x_5, 1);
-lean_inc(x_35);
-x_36 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_19);
-lean_dec(x_35);
-if (lean_obj_tag(x_36) == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-lean_inc(x_19);
-x_37 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_19, x_5);
-x_38 = lean_ctor_get(x_37, 1);
-lean_inc(x_38);
-x_39 = lean_ctor_get(x_37, 0);
-lean_inc(x_39);
-lean_dec(x_37);
-x_40 = !lean_is_exclusive(x_38);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_39);
-x_42 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_41, x_19, x_39);
-lean_ctor_set(x_38, 1, x_42);
-x_21 = x_39;
-x_22 = x_38;
-goto block_32;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_43 = lean_ctor_get(x_38, 0);
-x_44 = lean_ctor_get(x_38, 1);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_38);
-lean_inc(x_39);
-x_45 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_44, x_19, x_39);
-x_46 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_46, 0, x_43);
-lean_ctor_set(x_46, 1, x_45);
-x_21 = x_39;
-x_22 = x_46;
-goto block_32;
-}
-}
-else
-{
-lean_object* x_47; 
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_expr_abstract_range(x_19, x_9, x_2);
 lean_dec(x_19);
-x_47 = lean_ctor_get(x_36, 0);
-lean_inc(x_47);
-lean_dec(x_36);
-x_21 = x_47;
-x_22 = x_5;
-goto block_32;
-}
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_5, 1);
-lean_inc(x_48);
-x_49 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_48, x_19);
-lean_dec(x_48);
-if (lean_obj_tag(x_49) == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-lean_inc(x_19);
-x_50 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_19, x_5);
-x_51 = lean_ctor_get(x_50, 1);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 0);
-lean_inc(x_52);
-lean_dec(x_50);
-x_53 = !lean_is_exclusive(x_51);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; 
-x_54 = lean_ctor_get(x_51, 1);
-lean_inc(x_52);
-x_55 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_54, x_19, x_52);
-lean_ctor_set(x_51, 1, x_55);
-x_21 = x_52;
-x_22 = x_51;
-goto block_32;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_56 = lean_ctor_get(x_51, 0);
-x_57 = lean_ctor_get(x_51, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_51);
-lean_inc(x_52);
-x_58 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_57, x_19, x_52);
-x_59 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_59, 0, x_56);
-lean_ctor_set(x_59, 1, x_58);
-x_21 = x_52;
-x_22 = x_59;
-goto block_32;
-}
-}
-else
-{
-lean_object* x_60; 
-lean_dec(x_19);
-x_60 = lean_ctor_get(x_49, 0);
-lean_inc(x_60);
-lean_dec(x_49);
-x_21 = x_60;
-x_22 = x_5;
-goto block_32;
-}
-}
-block_32:
-{
-uint8_t x_23; 
-x_23 = lean_expr_has_expr_mvar(x_21);
-if (x_23 == 0)
-{
-uint8_t x_24; 
-x_24 = lean_expr_has_level_mvar(x_21);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_expr_abstract_range(x_21, x_9, x_2);
-lean_dec(x_21);
-x_26 = lean_expr_mk_lambda(x_18, x_20, x_25, x_4);
+x_23 = l_Lean_mkLambda(x_18, x_20, x_22, x_4);
 x_3 = x_9;
-x_4 = x_26;
-x_5 = x_22;
+x_4 = x_23;
 goto _start;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; 
-lean_dec(x_21);
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_ctor_get(x_5, 1);
+lean_inc(x_25);
+x_26 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_25, x_19);
+lean_dec(x_25);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; uint8_t x_28; 
+lean_inc(x_19);
+x_27 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_19, x_5);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; uint8_t x_30; 
+x_29 = lean_ctor_get(x_27, 1);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_31 = lean_ctor_get(x_27, 0);
+x_32 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+x_33 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_32, x_19, x_31);
+lean_ctor_set(x_29, 1, x_33);
+x_34 = l_Lean_Expr_hasMVar(x_31);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+lean_free_object(x_27);
+x_35 = lean_expr_abstract_range(x_31, x_9, x_2);
+lean_dec(x_31);
+x_36 = l_Lean_mkLambda(x_18, x_20, x_35, x_4);
+x_3 = x_9;
+x_4 = x_36;
+x_5 = x_29;
+goto _start;
+}
+else
+{
+lean_object* x_38; 
+lean_dec(x_31);
 lean_dec(x_18);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_1);
-x_28 = lean_box(0);
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_28);
-lean_ctor_set(x_29, 1, x_22);
-return x_29;
+x_38 = lean_box(0);
+lean_ctor_set(x_27, 0, x_38);
+return x_27;
 }
 }
 else
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_21);
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
+x_39 = lean_ctor_get(x_27, 0);
+x_40 = lean_ctor_get(x_29, 0);
+x_41 = lean_ctor_get(x_29, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_29);
+lean_inc(x_39);
+x_42 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_41, x_19, x_39);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_40);
+lean_ctor_set(x_43, 1, x_42);
+x_44 = l_Lean_Expr_hasMVar(x_39);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; 
+lean_free_object(x_27);
+x_45 = lean_expr_abstract_range(x_39, x_9, x_2);
+lean_dec(x_39);
+x_46 = l_Lean_mkLambda(x_18, x_20, x_45, x_4);
+x_3 = x_9;
+x_4 = x_46;
+x_5 = x_43;
+goto _start;
+}
+else
+{
+lean_object* x_48; 
+lean_dec(x_39);
 lean_dec(x_18);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_1);
-x_30 = lean_box(0);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_22);
-return x_31;
+x_48 = lean_box(0);
+lean_ctor_set(x_27, 1, x_43);
+lean_ctor_set(x_27, 0, x_48);
+return x_27;
 }
 }
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_114; 
-x_61 = lean_ctor_get(x_17, 2);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_17, 3);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_49 = lean_ctor_get(x_27, 1);
+x_50 = lean_ctor_get(x_27, 0);
+lean_inc(x_49);
+lean_inc(x_50);
+lean_dec(x_27);
+x_51 = lean_ctor_get(x_49, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_49, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ lean_ctor_release(x_49, 1);
+ x_53 = x_49;
+} else {
+ lean_dec_ref(x_49);
+ x_53 = lean_box(0);
+}
+lean_inc(x_50);
+x_54 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_52, x_19, x_50);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_55 = x_53;
+}
+lean_ctor_set(x_55, 0, x_51);
+lean_ctor_set(x_55, 1, x_54);
+x_56 = l_Lean_Expr_hasMVar(x_50);
+if (x_56 == 0)
+{
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_expr_abstract_range(x_50, x_9, x_2);
+lean_dec(x_50);
+x_58 = l_Lean_mkLambda(x_18, x_20, x_57, x_4);
+x_3 = x_9;
+x_4 = x_58;
+x_5 = x_55;
+goto _start;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; 
+lean_dec(x_50);
+lean_dec(x_18);
+lean_dec(x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+x_60 = lean_box(0);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_55);
+return x_61;
+}
+}
+}
+else
+{
+lean_object* x_62; uint8_t x_63; 
+lean_dec(x_19);
+x_62 = lean_ctor_get(x_26, 0);
 lean_inc(x_62);
-x_63 = lean_ctor_get(x_17, 4);
-lean_inc(x_63);
+lean_dec(x_26);
+x_63 = l_Lean_Expr_hasMVar(x_62);
+if (x_63 == 0)
+{
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_expr_abstract_range(x_62, x_9, x_2);
+lean_dec(x_62);
+x_65 = l_Lean_mkLambda(x_18, x_20, x_64, x_4);
+x_3 = x_9;
+x_4 = x_65;
+goto _start;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; 
+lean_dec(x_62);
+lean_dec(x_18);
+lean_dec(x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+x_67 = lean_box(0);
+x_68 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_5);
+return x_68;
+}
+}
+}
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_136; 
+x_69 = lean_ctor_get(x_17, 2);
+lean_inc(x_69);
+x_70 = lean_ctor_get(x_17, 3);
+lean_inc(x_70);
+x_71 = lean_ctor_get(x_17, 4);
+lean_inc(x_71);
 lean_dec(x_17);
-x_114 = lean_expr_has_expr_mvar(x_62);
-if (x_114 == 0)
+x_136 = l_Lean_Expr_hasMVar(x_70);
+if (x_136 == 0)
 {
-uint8_t x_115; 
-x_115 = lean_expr_has_level_mvar(x_62);
-if (x_115 == 0)
-{
-x_64 = x_62;
-x_65 = x_5;
-goto block_113;
+x_72 = x_70;
+x_73 = x_5;
+goto block_135;
 }
 else
 {
-lean_object* x_116; lean_object* x_117; 
-x_116 = lean_ctor_get(x_5, 1);
-lean_inc(x_116);
-x_117 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_116, x_62);
-lean_dec(x_116);
-if (lean_obj_tag(x_117) == 0)
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
-lean_inc(x_62);
-x_118 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_62, x_5);
-x_119 = lean_ctor_get(x_118, 1);
-lean_inc(x_119);
-x_120 = lean_ctor_get(x_118, 0);
-lean_inc(x_120);
-lean_dec(x_118);
-x_121 = !lean_is_exclusive(x_119);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_119, 1);
-lean_inc(x_120);
-x_123 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_122, x_62, x_120);
-lean_ctor_set(x_119, 1, x_123);
-x_64 = x_120;
-x_65 = x_119;
-goto block_113;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_124 = lean_ctor_get(x_119, 0);
-x_125 = lean_ctor_get(x_119, 1);
-lean_inc(x_125);
-lean_inc(x_124);
-lean_dec(x_119);
-lean_inc(x_120);
-x_126 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_125, x_62, x_120);
-x_127 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_127, 0, x_124);
-lean_ctor_set(x_127, 1, x_126);
-x_64 = x_120;
-x_65 = x_127;
-goto block_113;
-}
-}
-else
-{
-lean_object* x_128; 
-lean_dec(x_62);
-x_128 = lean_ctor_get(x_117, 0);
-lean_inc(x_128);
-lean_dec(x_117);
-x_64 = x_128;
-x_65 = x_5;
-goto block_113;
-}
-}
-}
-else
-{
-lean_object* x_129; lean_object* x_130; 
-x_129 = lean_ctor_get(x_5, 1);
-lean_inc(x_129);
-x_130 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_129, x_62);
-lean_dec(x_129);
-if (lean_obj_tag(x_130) == 0)
-{
-lean_object* x_131; lean_object* x_132; lean_object* x_133; uint8_t x_134; 
-lean_inc(x_62);
-x_131 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_62, x_5);
-x_132 = lean_ctor_get(x_131, 1);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_131, 0);
-lean_inc(x_133);
-lean_dec(x_131);
-x_134 = !lean_is_exclusive(x_132);
-if (x_134 == 0)
-{
-lean_object* x_135; lean_object* x_136; 
-x_135 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-x_136 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_135, x_62, x_133);
-lean_ctor_set(x_132, 1, x_136);
-x_64 = x_133;
-x_65 = x_132;
-goto block_113;
-}
-else
-{
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; 
-x_137 = lean_ctor_get(x_132, 0);
-x_138 = lean_ctor_get(x_132, 1);
-lean_inc(x_138);
+lean_object* x_137; lean_object* x_138; 
+x_137 = lean_ctor_get(x_5, 1);
 lean_inc(x_137);
-lean_dec(x_132);
-lean_inc(x_133);
-x_139 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_138, x_62, x_133);
-x_140 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_140, 0, x_137);
-lean_ctor_set(x_140, 1, x_139);
-x_64 = x_133;
-x_65 = x_140;
-goto block_113;
-}
-}
-else
+x_138 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_137, x_70);
+lean_dec(x_137);
+if (lean_obj_tag(x_138) == 0)
 {
-lean_object* x_141; 
-lean_dec(x_62);
-x_141 = lean_ctor_get(x_130, 0);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
+lean_inc(x_70);
+x_139 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_70, x_5);
+x_140 = lean_ctor_get(x_139, 1);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_139, 0);
 lean_inc(x_141);
-lean_dec(x_130);
-x_64 = x_141;
-x_65 = x_5;
-goto block_113;
-}
-}
-block_113:
+lean_dec(x_139);
+x_142 = !lean_is_exclusive(x_140);
+if (x_142 == 0)
 {
-lean_object* x_66; lean_object* x_67; uint8_t x_79; 
-x_79 = lean_expr_has_expr_mvar(x_64);
-if (x_79 == 0)
-{
-uint8_t x_80; 
-x_80 = lean_expr_has_level_mvar(x_64);
-if (x_80 == 0)
-{
-uint8_t x_81; 
-x_81 = lean_expr_has_expr_mvar(x_63);
-if (x_81 == 0)
-{
-uint8_t x_82; 
-x_82 = lean_expr_has_level_mvar(x_63);
-if (x_82 == 0)
-{
-x_66 = x_63;
-x_67 = x_65;
-goto block_78;
+lean_object* x_143; lean_object* x_144; 
+x_143 = lean_ctor_get(x_140, 1);
+lean_inc(x_141);
+x_144 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_143, x_70, x_141);
+lean_ctor_set(x_140, 1, x_144);
+x_72 = x_141;
+x_73 = x_140;
+goto block_135;
 }
 else
 {
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_65, 1);
-lean_inc(x_83);
-x_84 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_83, x_63);
-lean_dec(x_83);
-if (lean_obj_tag(x_84) == 0)
+lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_145 = lean_ctor_get(x_140, 0);
+x_146 = lean_ctor_get(x_140, 1);
+lean_inc(x_146);
+lean_inc(x_145);
+lean_dec(x_140);
+lean_inc(x_141);
+x_147 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_146, x_70, x_141);
+x_148 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_148, 0, x_145);
+lean_ctor_set(x_148, 1, x_147);
+x_72 = x_141;
+x_73 = x_148;
+goto block_135;
+}
+}
+else
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
-lean_inc(x_63);
-x_85 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_63, x_65);
-x_86 = lean_ctor_get(x_85, 1);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_85, 0);
+lean_object* x_149; 
+lean_dec(x_70);
+x_149 = lean_ctor_get(x_138, 0);
+lean_inc(x_149);
+lean_dec(x_138);
+x_72 = x_149;
+x_73 = x_5;
+goto block_135;
+}
+}
+block_135:
+{
+uint8_t x_74; 
+x_74 = l_Lean_Expr_hasMVar(x_72);
+if (x_74 == 0)
+{
+uint8_t x_75; 
+x_75 = l_Lean_Expr_hasMVar(x_71);
+if (x_75 == 0)
+{
+lean_object* x_76; lean_object* x_77; uint8_t x_78; lean_object* x_79; 
+x_76 = lean_expr_abstract_range(x_72, x_9, x_2);
+lean_dec(x_72);
+x_77 = lean_expr_abstract_range(x_71, x_9, x_2);
+lean_dec(x_71);
+x_78 = 0;
+x_79 = l_Lean_mkLet(x_69, x_76, x_77, x_4, x_78);
+x_3 = x_9;
+x_4 = x_79;
+x_5 = x_73;
+goto _start;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = lean_ctor_get(x_73, 1);
+lean_inc(x_81);
+x_82 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_81, x_71);
+lean_dec(x_81);
+if (lean_obj_tag(x_82) == 0)
+{
+lean_object* x_83; uint8_t x_84; 
+lean_inc(x_71);
+x_83 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_71, x_73);
+x_84 = !lean_is_exclusive(x_83);
+if (x_84 == 0)
+{
+lean_object* x_85; uint8_t x_86; 
+x_85 = lean_ctor_get(x_83, 1);
+x_86 = !lean_is_exclusive(x_85);
+if (x_86 == 0)
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_87 = lean_ctor_get(x_83, 0);
+x_88 = lean_ctor_get(x_85, 1);
 lean_inc(x_87);
-lean_dec(x_85);
-x_88 = !lean_is_exclusive(x_86);
-if (x_88 == 0)
+x_89 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_88, x_71, x_87);
+lean_ctor_set(x_85, 1, x_89);
+x_90 = l_Lean_Expr_hasMVar(x_87);
+if (x_90 == 0)
 {
-lean_object* x_89; lean_object* x_90; 
-x_89 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-x_90 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_89, x_63, x_87);
-lean_ctor_set(x_86, 1, x_90);
-x_66 = x_87;
-x_67 = x_86;
-goto block_78;
+lean_object* x_91; lean_object* x_92; uint8_t x_93; lean_object* x_94; 
+lean_free_object(x_83);
+x_91 = lean_expr_abstract_range(x_72, x_9, x_2);
+lean_dec(x_72);
+x_92 = lean_expr_abstract_range(x_87, x_9, x_2);
+lean_dec(x_87);
+x_93 = 0;
+x_94 = l_Lean_mkLet(x_69, x_91, x_92, x_4, x_93);
+x_3 = x_9;
+x_4 = x_94;
+x_5 = x_85;
+goto _start;
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_91 = lean_ctor_get(x_86, 0);
-x_92 = lean_ctor_get(x_86, 1);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_86);
-lean_inc(x_87);
-x_93 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_92, x_63, x_87);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_91);
-lean_ctor_set(x_94, 1, x_93);
-x_66 = x_87;
-x_67 = x_94;
-goto block_78;
+lean_object* x_96; 
+lean_dec(x_87);
+lean_dec(x_72);
+lean_dec(x_69);
+lean_dec(x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+x_96 = lean_box(0);
+lean_ctor_set(x_83, 0, x_96);
+return x_83;
 }
 }
 else
 {
-lean_object* x_95; 
-lean_dec(x_63);
-x_95 = lean_ctor_get(x_84, 0);
-lean_inc(x_95);
-lean_dec(x_84);
-x_66 = x_95;
-x_67 = x_65;
-goto block_78;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; 
-x_96 = lean_ctor_get(x_65, 1);
-lean_inc(x_96);
-x_97 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_96, x_63);
-lean_dec(x_96);
-if (lean_obj_tag(x_97) == 0)
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
-lean_inc(x_63);
-x_98 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_63, x_65);
-x_99 = lean_ctor_get(x_98, 1);
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_97 = lean_ctor_get(x_83, 0);
+x_98 = lean_ctor_get(x_85, 0);
+x_99 = lean_ctor_get(x_85, 1);
 lean_inc(x_99);
-x_100 = lean_ctor_get(x_98, 0);
-lean_inc(x_100);
-lean_dec(x_98);
-x_101 = !lean_is_exclusive(x_99);
-if (x_101 == 0)
+lean_inc(x_98);
+lean_dec(x_85);
+lean_inc(x_97);
+x_100 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_99, x_71, x_97);
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_98);
+lean_ctor_set(x_101, 1, x_100);
+x_102 = l_Lean_Expr_hasMVar(x_97);
+if (x_102 == 0)
 {
-lean_object* x_102; lean_object* x_103; 
-x_102 = lean_ctor_get(x_99, 1);
-lean_inc(x_100);
-x_103 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_102, x_63, x_100);
-lean_ctor_set(x_99, 1, x_103);
-x_66 = x_100;
-x_67 = x_99;
-goto block_78;
-}
-else
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
-x_104 = lean_ctor_get(x_99, 0);
-x_105 = lean_ctor_get(x_99, 1);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_99);
-lean_inc(x_100);
-x_106 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_105, x_63, x_100);
-x_107 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_107, 0, x_104);
-lean_ctor_set(x_107, 1, x_106);
-x_66 = x_100;
-x_67 = x_107;
-goto block_78;
-}
+lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; 
+lean_free_object(x_83);
+x_103 = lean_expr_abstract_range(x_72, x_9, x_2);
+lean_dec(x_72);
+x_104 = lean_expr_abstract_range(x_97, x_9, x_2);
+lean_dec(x_97);
+x_105 = 0;
+x_106 = l_Lean_mkLet(x_69, x_103, x_104, x_4, x_105);
+x_3 = x_9;
+x_4 = x_106;
+x_5 = x_101;
+goto _start;
 }
 else
 {
 lean_object* x_108; 
-lean_dec(x_63);
-x_108 = lean_ctor_get(x_97, 0);
-lean_inc(x_108);
 lean_dec(x_97);
-x_66 = x_108;
-x_67 = x_65;
-goto block_78;
+lean_dec(x_72);
+lean_dec(x_69);
+lean_dec(x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+x_108 = lean_box(0);
+lean_ctor_set(x_83, 1, x_101);
+lean_ctor_set(x_83, 0, x_108);
+return x_83;
 }
 }
 }
 else
 {
-lean_object* x_109; lean_object* x_110; 
-lean_dec(x_64);
-lean_dec(x_63);
-lean_dec(x_61);
-lean_dec(x_9);
-lean_dec(x_4);
-lean_dec(x_1);
-x_109 = lean_box(0);
-x_110 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_65);
-return x_110;
+lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+x_109 = lean_ctor_get(x_83, 1);
+x_110 = lean_ctor_get(x_83, 0);
+lean_inc(x_109);
+lean_inc(x_110);
+lean_dec(x_83);
+x_111 = lean_ctor_get(x_109, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_109, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_109)) {
+ lean_ctor_release(x_109, 0);
+ lean_ctor_release(x_109, 1);
+ x_113 = x_109;
+} else {
+ lean_dec_ref(x_109);
+ x_113 = lean_box(0);
 }
+lean_inc(x_110);
+x_114 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_112, x_71, x_110);
+if (lean_is_scalar(x_113)) {
+ x_115 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_115 = x_113;
 }
-else
+lean_ctor_set(x_115, 0, x_111);
+lean_ctor_set(x_115, 1, x_114);
+x_116 = l_Lean_Expr_hasMVar(x_110);
+if (x_116 == 0)
 {
-lean_object* x_111; lean_object* x_112; 
-lean_dec(x_64);
-lean_dec(x_63);
-lean_dec(x_61);
-lean_dec(x_9);
-lean_dec(x_4);
-lean_dec(x_1);
-x_111 = lean_box(0);
-x_112 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_65);
-return x_112;
-}
-block_78:
-{
-uint8_t x_68; 
-x_68 = lean_expr_has_expr_mvar(x_66);
-if (x_68 == 0)
-{
-uint8_t x_69; 
-x_69 = lean_expr_has_level_mvar(x_66);
-if (x_69 == 0)
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_70 = lean_expr_abstract_range(x_64, x_9, x_2);
-lean_dec(x_64);
-x_71 = lean_expr_abstract_range(x_66, x_9, x_2);
-lean_dec(x_66);
-x_72 = lean_expr_mk_let(x_61, x_70, x_71, x_4);
+lean_object* x_117; lean_object* x_118; uint8_t x_119; lean_object* x_120; 
+x_117 = lean_expr_abstract_range(x_72, x_9, x_2);
+lean_dec(x_72);
+x_118 = lean_expr_abstract_range(x_110, x_9, x_2);
+lean_dec(x_110);
+x_119 = 0;
+x_120 = l_Lean_mkLet(x_69, x_117, x_118, x_4, x_119);
 x_3 = x_9;
-x_4 = x_72;
-x_5 = x_67;
+x_4 = x_120;
+x_5 = x_115;
 goto _start;
 }
 else
 {
-lean_object* x_74; lean_object* x_75; 
-lean_dec(x_66);
-lean_dec(x_64);
-lean_dec(x_61);
+lean_object* x_122; lean_object* x_123; 
+lean_dec(x_110);
+lean_dec(x_72);
+lean_dec(x_69);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_1);
-x_74 = lean_box(0);
-x_75 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_75, 0, x_74);
-lean_ctor_set(x_75, 1, x_67);
-return x_75;
+x_122 = lean_box(0);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_115);
+return x_123;
+}
 }
 }
 else
 {
-lean_object* x_76; lean_object* x_77; 
-lean_dec(x_66);
-lean_dec(x_64);
-lean_dec(x_61);
+lean_object* x_124; uint8_t x_125; 
+lean_dec(x_71);
+x_124 = lean_ctor_get(x_82, 0);
+lean_inc(x_124);
+lean_dec(x_82);
+x_125 = l_Lean_Expr_hasMVar(x_124);
+if (x_125 == 0)
+{
+lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; 
+x_126 = lean_expr_abstract_range(x_72, x_9, x_2);
+lean_dec(x_72);
+x_127 = lean_expr_abstract_range(x_124, x_9, x_2);
+lean_dec(x_124);
+x_128 = 0;
+x_129 = l_Lean_mkLet(x_69, x_126, x_127, x_4, x_128);
+x_3 = x_9;
+x_4 = x_129;
+x_5 = x_73;
+goto _start;
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_124);
+lean_dec(x_72);
+lean_dec(x_69);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_1);
-x_76 = lean_box(0);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_67);
-return x_77;
+x_131 = lean_box(0);
+x_132 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_132, 0, x_131);
+lean_ctor_set(x_132, 1, x_73);
+return x_132;
 }
 }
 }
 }
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_72);
+lean_dec(x_71);
+lean_dec(x_69);
+lean_dec(x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+x_133 = lean_box(0);
+x_134 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_134, 0, x_133);
+lean_ctor_set(x_134, 1, x_73);
+return x_134;
+}
+}
+}
 }
 }
 else
 {
-lean_object* x_142; lean_object* x_143; 
+lean_object* x_150; lean_object* x_151; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_142 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_142, 0, x_4);
-x_143 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_143, 0, x_142);
-lean_ctor_set(x_143, 1, x_5);
-return x_143;
+x_150 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_150, 0, x_4);
+x_151 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_151, 0, x_150);
+lean_ctor_set(x_151, 1, x_5);
+return x_151;
 }
 }
 }
@@ -9311,321 +8750,175 @@ x_10 = lean_box(0);
 lean_inc(x_9);
 x_11 = x_10;
 x_12 = lean_array_fset(x_2, x_1, x_11);
-x_13 = lean_expr_has_expr_mvar(x_9);
+x_13 = l_Lean_Expr_hasMVar(x_9);
 if (x_13 == 0)
 {
-uint8_t x_14; 
-x_14 = lean_expr_has_level_mvar(x_9);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_add(x_1, x_15);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_add(x_1, x_14);
 lean_inc(x_9);
-x_17 = x_9;
-x_18 = lean_array_fset(x_12, x_1, x_17);
+x_16 = x_9;
+x_17 = lean_array_fset(x_12, x_1, x_16);
 lean_dec(x_1);
-x_1 = x_16;
-x_2 = x_18;
+x_1 = x_15;
+x_2 = x_17;
 goto _start;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_3, 1);
-lean_inc(x_20);
-x_21 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_20, x_9);
-lean_dec(x_20);
-if (lean_obj_tag(x_21) == 0)
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_ctor_get(x_3, 1);
+lean_inc(x_19);
+x_20 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_19, x_9);
+lean_dec(x_19);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
 lean_inc(x_9);
-x_22 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_9, x_3);
-x_23 = lean_ctor_get(x_22, 1);
+x_21 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_9, x_3);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_21, 0);
 lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = !lean_is_exclusive(x_23);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_24);
-lean_inc(x_9);
-x_27 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_26, x_9, x_24);
-lean_ctor_set(x_23, 1, x_27);
-x_28 = lean_unsigned_to_nat(1u);
-x_29 = lean_nat_add(x_1, x_28);
-x_30 = x_24;
-x_31 = lean_array_fset(x_12, x_1, x_30);
-lean_dec(x_1);
-x_1 = x_29;
-x_2 = x_31;
-x_3 = x_23;
-goto _start;
-}
-else
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_33 = lean_ctor_get(x_23, 0);
-x_34 = lean_ctor_get(x_23, 1);
-lean_inc(x_34);
-lean_inc(x_33);
-lean_dec(x_23);
-lean_inc(x_24);
-lean_inc(x_9);
-x_35 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_34, x_9, x_24);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_33);
-lean_ctor_set(x_36, 1, x_35);
-x_37 = lean_unsigned_to_nat(1u);
-x_38 = lean_nat_add(x_1, x_37);
-x_39 = x_24;
-x_40 = lean_array_fset(x_12, x_1, x_39);
-lean_dec(x_1);
-x_1 = x_38;
-x_2 = x_40;
-x_3 = x_36;
-goto _start;
-}
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_42 = lean_ctor_get(x_21, 0);
-lean_inc(x_42);
 lean_dec(x_21);
-x_43 = lean_unsigned_to_nat(1u);
-x_44 = lean_nat_add(x_1, x_43);
-x_45 = x_42;
-x_46 = lean_array_fset(x_12, x_1, x_45);
-lean_dec(x_1);
-x_1 = x_44;
-x_2 = x_46;
-goto _start;
-}
-}
-}
-else
+x_24 = !lean_is_exclusive(x_22);
+if (x_24 == 0)
 {
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_3, 1);
-lean_inc(x_48);
-x_49 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_48, x_9);
-lean_dec(x_48);
-if (lean_obj_tag(x_49) == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_25 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
 lean_inc(x_9);
-x_50 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_9, x_3);
-x_51 = lean_ctor_get(x_50, 1);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 0);
-lean_inc(x_52);
-lean_dec(x_50);
-x_53 = !lean_is_exclusive(x_51);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_54 = lean_ctor_get(x_51, 1);
-lean_inc(x_52);
-lean_inc(x_9);
-x_55 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_54, x_9, x_52);
-lean_ctor_set(x_51, 1, x_55);
-x_56 = lean_unsigned_to_nat(1u);
-x_57 = lean_nat_add(x_1, x_56);
-x_58 = x_52;
-x_59 = lean_array_fset(x_12, x_1, x_58);
+x_26 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_25, x_9, x_23);
+lean_ctor_set(x_22, 1, x_26);
+x_27 = lean_unsigned_to_nat(1u);
+x_28 = lean_nat_add(x_1, x_27);
+x_29 = x_23;
+x_30 = lean_array_fset(x_12, x_1, x_29);
 lean_dec(x_1);
-x_1 = x_57;
-x_2 = x_59;
-x_3 = x_51;
+x_1 = x_28;
+x_2 = x_30;
+x_3 = x_22;
 goto _start;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_61 = lean_ctor_get(x_51, 0);
-x_62 = lean_ctor_get(x_51, 1);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_51);
-lean_inc(x_52);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_32 = lean_ctor_get(x_22, 0);
+x_33 = lean_ctor_get(x_22, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_22);
+lean_inc(x_23);
 lean_inc(x_9);
-x_63 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_62, x_9, x_52);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_61);
-lean_ctor_set(x_64, 1, x_63);
-x_65 = lean_unsigned_to_nat(1u);
-x_66 = lean_nat_add(x_1, x_65);
-x_67 = x_52;
-x_68 = lean_array_fset(x_12, x_1, x_67);
+x_34 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_33, x_9, x_23);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_32);
+lean_ctor_set(x_35, 1, x_34);
+x_36 = lean_unsigned_to_nat(1u);
+x_37 = lean_nat_add(x_1, x_36);
+x_38 = x_23;
+x_39 = lean_array_fset(x_12, x_1, x_38);
 lean_dec(x_1);
-x_1 = x_66;
-x_2 = x_68;
-x_3 = x_64;
+x_1 = x_37;
+x_2 = x_39;
+x_3 = x_35;
 goto _start;
 }
 }
 else
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_70 = lean_ctor_get(x_49, 0);
-lean_inc(x_70);
-lean_dec(x_49);
-x_71 = lean_unsigned_to_nat(1u);
-x_72 = lean_nat_add(x_1, x_71);
-x_73 = x_70;
-x_74 = lean_array_fset(x_12, x_1, x_73);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_41 = lean_ctor_get(x_20, 0);
+lean_inc(x_41);
+lean_dec(x_20);
+x_42 = lean_unsigned_to_nat(1u);
+x_43 = lean_nat_add(x_1, x_42);
+x_44 = x_41;
+x_45 = lean_array_fset(x_12, x_1, x_44);
 lean_dec(x_1);
-x_1 = x_72;
-x_2 = x_74;
+x_1 = x_43;
+x_2 = x_45;
 goto _start;
 }
 }
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 switch (lean_obj_tag(x_1)) {
 case 0:
 {
-uint8_t x_4; lean_object* x_5; lean_object* x_6; uint8_t x_74; 
+uint8_t x_4; lean_object* x_5; lean_object* x_6; uint8_t x_49; 
 x_4 = l_Lean_Expr_isMVar(x_1);
-x_74 = lean_expr_has_expr_mvar(x_1);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-x_75 = lean_expr_has_level_mvar(x_1);
-if (x_75 == 0)
+x_49 = l_Lean_Expr_hasMVar(x_1);
+if (x_49 == 0)
 {
 x_5 = x_1;
 x_6 = x_3;
-goto block_73;
+goto block_48;
 }
 else
 {
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_3, 1);
-lean_inc(x_76);
-x_77 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_76, x_1);
-lean_dec(x_76);
-if (lean_obj_tag(x_77) == 0)
+lean_object* x_50; lean_object* x_51; 
+x_50 = lean_ctor_get(x_3, 1);
+lean_inc(x_50);
+x_51 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_50, x_1);
+lean_dec(x_50);
+if (lean_obj_tag(x_51) == 0)
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; 
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
 lean_inc(x_1);
-x_78 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_79 = lean_ctor_get(x_78, 1);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-lean_dec(x_78);
-x_81 = !lean_is_exclusive(x_79);
-if (x_81 == 0)
+x_52 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_53 = lean_ctor_get(x_52, 1);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 0);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
 {
-lean_object* x_82; lean_object* x_83; 
-x_82 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-x_83 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_82, x_1, x_80);
-lean_ctor_set(x_79, 1, x_83);
-x_5 = x_80;
-x_6 = x_79;
-goto block_73;
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+x_57 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_56, x_1, x_54);
+lean_ctor_set(x_53, 1, x_57);
+x_5 = x_54;
+x_6 = x_53;
+goto block_48;
 }
 else
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_84 = lean_ctor_get(x_79, 0);
-x_85 = lean_ctor_get(x_79, 1);
-lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_79);
-lean_inc(x_80);
-x_86 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_85, x_1, x_80);
-x_87 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_87, 0, x_84);
-lean_ctor_set(x_87, 1, x_86);
-x_5 = x_80;
-x_6 = x_87;
-goto block_73;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_58 = lean_ctor_get(x_53, 0);
+x_59 = lean_ctor_get(x_53, 1);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_53);
+lean_inc(x_54);
+x_60 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_59, x_1, x_54);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_58);
+lean_ctor_set(x_61, 1, x_60);
+x_5 = x_54;
+x_6 = x_61;
+goto block_48;
 }
 }
 else
 {
-lean_object* x_88; 
+lean_object* x_62; 
 lean_dec(x_1);
-x_88 = lean_ctor_get(x_77, 0);
-lean_inc(x_88);
-lean_dec(x_77);
-x_5 = x_88;
+x_62 = lean_ctor_get(x_51, 0);
+lean_inc(x_62);
+lean_dec(x_51);
+x_5 = x_62;
 x_6 = x_3;
-goto block_73;
+goto block_48;
 }
 }
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = lean_ctor_get(x_3, 1);
-lean_inc(x_89);
-x_90 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_89, x_1);
-lean_dec(x_89);
-if (lean_obj_tag(x_90) == 0)
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
-lean_inc(x_1);
-x_91 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 0);
-lean_inc(x_93);
-lean_dec(x_91);
-x_94 = !lean_is_exclusive(x_92);
-if (x_94 == 0)
-{
-lean_object* x_95; lean_object* x_96; 
-x_95 = lean_ctor_get(x_92, 1);
-lean_inc(x_93);
-x_96 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_95, x_1, x_93);
-lean_ctor_set(x_92, 1, x_96);
-x_5 = x_93;
-x_6 = x_92;
-goto block_73;
-}
-else
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_97 = lean_ctor_get(x_92, 0);
-x_98 = lean_ctor_get(x_92, 1);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_92);
-lean_inc(x_93);
-x_99 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_98, x_1, x_93);
-x_100 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_100, 0, x_97);
-lean_ctor_set(x_100, 1, x_99);
-x_5 = x_93;
-x_6 = x_100;
-goto block_73;
-}
-}
-else
-{
-lean_object* x_101; 
-lean_dec(x_1);
-x_101 = lean_ctor_get(x_90, 0);
-lean_inc(x_101);
-lean_dec(x_90);
-x_5 = x_101;
-x_6 = x_3;
-goto block_73;
-}
-}
-block_73:
+block_48:
 {
 lean_object* x_7; 
 if (x_4 == 0)
@@ -9651,206 +8944,107 @@ else
 lean_object* x_21; uint8_t x_22; 
 x_21 = l_Lean_Expr_betaRev(x_5, x_2);
 lean_dec(x_5);
-x_22 = lean_expr_has_expr_mvar(x_21);
+x_22 = l_Lean_Expr_hasMVar(x_21);
 if (x_22 == 0)
 {
-uint8_t x_23; 
-x_23 = lean_expr_has_level_mvar(x_21);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_21);
-lean_ctor_set(x_24, 1, x_6);
-return x_24;
+lean_object* x_23; 
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_6);
+return x_23;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_6, 1);
-lean_inc(x_25);
-x_26 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_25, x_21);
-lean_dec(x_25);
-if (lean_obj_tag(x_26) == 0)
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_ctor_get(x_6, 1);
+lean_inc(x_24);
+x_25 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_24, x_21);
+lean_dec(x_24);
+if (lean_obj_tag(x_25) == 0)
 {
-lean_object* x_27; uint8_t x_28; 
+lean_object* x_26; uint8_t x_27; 
 lean_inc(x_21);
-x_27 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_21, x_6);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
+x_26 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_21, x_6);
+x_27 = !lean_is_exclusive(x_26);
+if (x_27 == 0)
 {
-lean_object* x_29; uint8_t x_30; 
-x_29 = lean_ctor_get(x_27, 1);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
+lean_object* x_28; uint8_t x_29; 
+x_28 = lean_ctor_get(x_26, 1);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-x_33 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_32, x_21, x_31);
-lean_ctor_set(x_29, 1, x_33);
-return x_27;
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_26, 0);
+x_31 = lean_ctor_get(x_28, 1);
+lean_inc(x_30);
+x_32 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_31, x_21, x_30);
+lean_ctor_set(x_28, 1, x_32);
+return x_26;
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_34 = lean_ctor_get(x_27, 0);
-x_35 = lean_ctor_get(x_29, 0);
-x_36 = lean_ctor_get(x_29, 1);
-lean_inc(x_36);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_33 = lean_ctor_get(x_26, 0);
+x_34 = lean_ctor_get(x_28, 0);
+x_35 = lean_ctor_get(x_28, 1);
 lean_inc(x_35);
-lean_dec(x_29);
 lean_inc(x_34);
-x_37 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_36, x_21, x_34);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_35);
-lean_ctor_set(x_38, 1, x_37);
-lean_ctor_set(x_27, 1, x_38);
-return x_27;
+lean_dec(x_28);
+lean_inc(x_33);
+x_36 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_35, x_21, x_33);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_34);
+lean_ctor_set(x_37, 1, x_36);
+lean_ctor_set(x_26, 1, x_37);
+return x_26;
 }
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_39 = lean_ctor_get(x_27, 1);
-x_40 = lean_ctor_get(x_27, 0);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_38 = lean_ctor_get(x_26, 1);
+x_39 = lean_ctor_get(x_26, 0);
+lean_inc(x_38);
 lean_inc(x_39);
-lean_inc(x_40);
-lean_dec(x_27);
-x_41 = lean_ctor_get(x_39, 0);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_39, 1);
-lean_inc(x_42);
-if (lean_is_exclusive(x_39)) {
- lean_ctor_release(x_39, 0);
- lean_ctor_release(x_39, 1);
- x_43 = x_39;
-} else {
- lean_dec_ref(x_39);
- x_43 = lean_box(0);
-}
-lean_inc(x_40);
-x_44 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_42, x_21, x_40);
-if (lean_is_scalar(x_43)) {
- x_45 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_45 = x_43;
-}
-lean_ctor_set(x_45, 0, x_41);
-lean_ctor_set(x_45, 1, x_44);
-x_46 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_46, 0, x_40);
-lean_ctor_set(x_46, 1, x_45);
-return x_46;
-}
-}
-else
-{
-lean_object* x_47; lean_object* x_48; 
-lean_dec(x_21);
-x_47 = lean_ctor_get(x_26, 0);
-lean_inc(x_47);
 lean_dec(x_26);
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_6);
-return x_48;
-}
-}
-}
-else
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_6, 1);
-lean_inc(x_49);
-x_50 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_49, x_21);
-lean_dec(x_49);
-if (lean_obj_tag(x_50) == 0)
-{
-lean_object* x_51; uint8_t x_52; 
-lean_inc(x_21);
-x_51 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_21, x_6);
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; uint8_t x_54; 
-x_53 = lean_ctor_get(x_51, 1);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_51, 0);
-x_56 = lean_ctor_get(x_53, 1);
-lean_inc(x_55);
-x_57 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_56, x_21, x_55);
-lean_ctor_set(x_53, 1, x_57);
-return x_51;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_58 = lean_ctor_get(x_51, 0);
-x_59 = lean_ctor_get(x_53, 0);
-x_60 = lean_ctor_get(x_53, 1);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_53);
-lean_inc(x_58);
-x_61 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_60, x_21, x_58);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_59);
-lean_ctor_set(x_62, 1, x_61);
-lean_ctor_set(x_51, 1, x_62);
-return x_51;
-}
-}
-else
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_63 = lean_ctor_get(x_51, 1);
-x_64 = lean_ctor_get(x_51, 0);
-lean_inc(x_63);
-lean_inc(x_64);
-lean_dec(x_51);
-x_65 = lean_ctor_get(x_63, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_63, 1);
-lean_inc(x_66);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_67 = x_63;
+x_40 = lean_ctor_get(x_38, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_38, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_42 = x_38;
 } else {
- lean_dec_ref(x_63);
- x_67 = lean_box(0);
+ lean_dec_ref(x_38);
+ x_42 = lean_box(0);
 }
-lean_inc(x_64);
-x_68 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_66, x_21, x_64);
-if (lean_is_scalar(x_67)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_39);
+x_43 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_41, x_21, x_39);
+if (lean_is_scalar(x_42)) {
+ x_44 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_69 = x_67;
+ x_44 = x_42;
 }
-lean_ctor_set(x_69, 0, x_65);
-lean_ctor_set(x_69, 1, x_68);
-x_70 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_70, 0, x_64);
-lean_ctor_set(x_70, 1, x_69);
-return x_70;
+lean_ctor_set(x_44, 0, x_40);
+lean_ctor_set(x_44, 1, x_43);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_39);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 else
 {
-lean_object* x_71; lean_object* x_72; 
+lean_object* x_46; lean_object* x_47; 
 lean_dec(x_21);
-x_71 = lean_ctor_get(x_50, 0);
-lean_inc(x_71);
-lean_dec(x_50);
-x_72 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_6);
-return x_72;
+x_46 = lean_ctor_get(x_25, 0);
+lean_inc(x_46);
+lean_dec(x_25);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_6);
+return x_47;
 }
 }
 }
@@ -9891,1478 +9085,1544 @@ return x_16;
 }
 case 1:
 {
-uint8_t x_102; lean_object* x_103; lean_object* x_104; uint8_t x_172; 
-x_102 = l_Lean_Expr_isMVar(x_1);
-x_172 = lean_expr_has_expr_mvar(x_1);
-if (x_172 == 0)
-{
-uint8_t x_173; 
-x_173 = lean_expr_has_level_mvar(x_1);
-if (x_173 == 0)
-{
-x_103 = x_1;
-x_104 = x_3;
-goto block_171;
-}
-else
-{
-lean_object* x_174; lean_object* x_175; 
-x_174 = lean_ctor_get(x_3, 1);
-lean_inc(x_174);
-x_175 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_174, x_1);
-lean_dec(x_174);
-if (lean_obj_tag(x_175) == 0)
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; uint8_t x_179; 
-lean_inc(x_1);
-x_176 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_177 = lean_ctor_get(x_176, 1);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_176, 0);
-lean_inc(x_178);
-lean_dec(x_176);
-x_179 = !lean_is_exclusive(x_177);
-if (x_179 == 0)
-{
-lean_object* x_180; lean_object* x_181; 
-x_180 = lean_ctor_get(x_177, 1);
-lean_inc(x_178);
-x_181 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_180, x_1, x_178);
-lean_ctor_set(x_177, 1, x_181);
-x_103 = x_178;
-x_104 = x_177;
-goto block_171;
-}
-else
-{
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_182 = lean_ctor_get(x_177, 0);
-x_183 = lean_ctor_get(x_177, 1);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_dec(x_177);
-lean_inc(x_178);
-x_184 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_183, x_1, x_178);
-x_185 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_185, 0, x_182);
-lean_ctor_set(x_185, 1, x_184);
-x_103 = x_178;
-x_104 = x_185;
-goto block_171;
-}
-}
-else
-{
-lean_object* x_186; 
-lean_dec(x_1);
-x_186 = lean_ctor_get(x_175, 0);
-lean_inc(x_186);
-lean_dec(x_175);
-x_103 = x_186;
-x_104 = x_3;
-goto block_171;
-}
-}
-}
-else
-{
-lean_object* x_187; lean_object* x_188; 
-x_187 = lean_ctor_get(x_3, 1);
-lean_inc(x_187);
-x_188 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_187, x_1);
-lean_dec(x_187);
-if (lean_obj_tag(x_188) == 0)
-{
-lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-lean_inc(x_1);
-x_189 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_190 = lean_ctor_get(x_189, 1);
-lean_inc(x_190);
-x_191 = lean_ctor_get(x_189, 0);
-lean_inc(x_191);
-lean_dec(x_189);
-x_192 = !lean_is_exclusive(x_190);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; 
-x_193 = lean_ctor_get(x_190, 1);
-lean_inc(x_191);
-x_194 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_193, x_1, x_191);
-lean_ctor_set(x_190, 1, x_194);
-x_103 = x_191;
-x_104 = x_190;
-goto block_171;
-}
-else
-{
-lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
-x_195 = lean_ctor_get(x_190, 0);
-x_196 = lean_ctor_get(x_190, 1);
-lean_inc(x_196);
-lean_inc(x_195);
-lean_dec(x_190);
-lean_inc(x_191);
-x_197 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_196, x_1, x_191);
-x_198 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_198, 0, x_195);
-lean_ctor_set(x_198, 1, x_197);
-x_103 = x_191;
-x_104 = x_198;
-goto block_171;
-}
-}
-else
-{
-lean_object* x_199; 
-lean_dec(x_1);
-x_199 = lean_ctor_get(x_188, 0);
-lean_inc(x_199);
-lean_dec(x_188);
-x_103 = x_199;
-x_104 = x_3;
-goto block_171;
-}
-}
-block_171:
-{
-lean_object* x_105; 
-if (x_102 == 0)
-{
-lean_object* x_116; 
-x_116 = lean_box(0);
-x_105 = x_116;
-goto block_115;
-}
-else
-{
-uint8_t x_117; 
-x_117 = l_Lean_Expr_isLambda(x_103);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_box(0);
-x_105 = x_118;
-goto block_115;
-}
-else
-{
-lean_object* x_119; uint8_t x_120; 
-x_119 = l_Lean_Expr_betaRev(x_103, x_2);
-lean_dec(x_103);
-x_120 = lean_expr_has_expr_mvar(x_119);
-if (x_120 == 0)
-{
-uint8_t x_121; 
-x_121 = lean_expr_has_level_mvar(x_119);
-if (x_121 == 0)
-{
-lean_object* x_122; 
-x_122 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_122, 0, x_119);
-lean_ctor_set(x_122, 1, x_104);
-return x_122;
-}
-else
-{
-lean_object* x_123; lean_object* x_124; 
-x_123 = lean_ctor_get(x_104, 1);
-lean_inc(x_123);
-x_124 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_123, x_119);
-lean_dec(x_123);
-if (lean_obj_tag(x_124) == 0)
-{
-lean_object* x_125; uint8_t x_126; 
-lean_inc(x_119);
-x_125 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_119, x_104);
-x_126 = !lean_is_exclusive(x_125);
-if (x_126 == 0)
-{
-lean_object* x_127; uint8_t x_128; 
-x_127 = lean_ctor_get(x_125, 1);
-x_128 = !lean_is_exclusive(x_127);
-if (x_128 == 0)
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_125, 0);
-x_130 = lean_ctor_get(x_127, 1);
-lean_inc(x_129);
-x_131 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_130, x_119, x_129);
-lean_ctor_set(x_127, 1, x_131);
-return x_125;
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
-x_132 = lean_ctor_get(x_125, 0);
-x_133 = lean_ctor_get(x_127, 0);
-x_134 = lean_ctor_get(x_127, 1);
-lean_inc(x_134);
-lean_inc(x_133);
-lean_dec(x_127);
-lean_inc(x_132);
-x_135 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_134, x_119, x_132);
-x_136 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_136, 0, x_133);
-lean_ctor_set(x_136, 1, x_135);
-lean_ctor_set(x_125, 1, x_136);
-return x_125;
-}
-}
-else
-{
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; 
-x_137 = lean_ctor_get(x_125, 1);
-x_138 = lean_ctor_get(x_125, 0);
-lean_inc(x_137);
-lean_inc(x_138);
-lean_dec(x_125);
-x_139 = lean_ctor_get(x_137, 0);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_137, 1);
-lean_inc(x_140);
-if (lean_is_exclusive(x_137)) {
- lean_ctor_release(x_137, 0);
- lean_ctor_release(x_137, 1);
- x_141 = x_137;
-} else {
- lean_dec_ref(x_137);
- x_141 = lean_box(0);
-}
-lean_inc(x_138);
-x_142 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_140, x_119, x_138);
-if (lean_is_scalar(x_141)) {
- x_143 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_143 = x_141;
-}
-lean_ctor_set(x_143, 0, x_139);
-lean_ctor_set(x_143, 1, x_142);
-x_144 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_144, 0, x_138);
-lean_ctor_set(x_144, 1, x_143);
-return x_144;
-}
-}
-else
-{
-lean_object* x_145; lean_object* x_146; 
-lean_dec(x_119);
-x_145 = lean_ctor_get(x_124, 0);
-lean_inc(x_145);
-lean_dec(x_124);
-x_146 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_146, 0, x_145);
-lean_ctor_set(x_146, 1, x_104);
-return x_146;
-}
-}
-}
-else
-{
-lean_object* x_147; lean_object* x_148; 
-x_147 = lean_ctor_get(x_104, 1);
-lean_inc(x_147);
-x_148 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_147, x_119);
-lean_dec(x_147);
-if (lean_obj_tag(x_148) == 0)
-{
-lean_object* x_149; uint8_t x_150; 
-lean_inc(x_119);
-x_149 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_119, x_104);
-x_150 = !lean_is_exclusive(x_149);
-if (x_150 == 0)
-{
-lean_object* x_151; uint8_t x_152; 
-x_151 = lean_ctor_get(x_149, 1);
-x_152 = !lean_is_exclusive(x_151);
-if (x_152 == 0)
-{
-lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_153 = lean_ctor_get(x_149, 0);
-x_154 = lean_ctor_get(x_151, 1);
-lean_inc(x_153);
-x_155 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_154, x_119, x_153);
-lean_ctor_set(x_151, 1, x_155);
-return x_149;
-}
-else
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; 
-x_156 = lean_ctor_get(x_149, 0);
-x_157 = lean_ctor_get(x_151, 0);
-x_158 = lean_ctor_get(x_151, 1);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_dec(x_151);
-lean_inc(x_156);
-x_159 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_158, x_119, x_156);
-x_160 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_160, 0, x_157);
-lean_ctor_set(x_160, 1, x_159);
-lean_ctor_set(x_149, 1, x_160);
-return x_149;
-}
-}
-else
-{
-lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-x_161 = lean_ctor_get(x_149, 1);
-x_162 = lean_ctor_get(x_149, 0);
-lean_inc(x_161);
-lean_inc(x_162);
-lean_dec(x_149);
-x_163 = lean_ctor_get(x_161, 0);
-lean_inc(x_163);
-x_164 = lean_ctor_get(x_161, 1);
-lean_inc(x_164);
-if (lean_is_exclusive(x_161)) {
- lean_ctor_release(x_161, 0);
- lean_ctor_release(x_161, 1);
- x_165 = x_161;
-} else {
- lean_dec_ref(x_161);
- x_165 = lean_box(0);
-}
-lean_inc(x_162);
-x_166 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_164, x_119, x_162);
-if (lean_is_scalar(x_165)) {
- x_167 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_167 = x_165;
-}
-lean_ctor_set(x_167, 0, x_163);
-lean_ctor_set(x_167, 1, x_166);
-x_168 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_168, 0, x_162);
-lean_ctor_set(x_168, 1, x_167);
-return x_168;
-}
-}
-else
-{
-lean_object* x_169; lean_object* x_170; 
-lean_dec(x_119);
-x_169 = lean_ctor_get(x_148, 0);
-lean_inc(x_169);
-lean_dec(x_148);
-x_170 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_170, 0, x_169);
-lean_ctor_set(x_170, 1, x_104);
-return x_170;
-}
-}
-}
-}
-block_115:
-{
-lean_object* x_106; lean_object* x_107; uint8_t x_108; 
-lean_dec(x_105);
-x_106 = lean_unsigned_to_nat(0u);
-x_107 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_106, x_2, x_104);
-x_108 = !lean_is_exclusive(x_107);
+uint8_t x_63; lean_object* x_64; lean_object* x_65; uint8_t x_108; 
+x_63 = l_Lean_Expr_isMVar(x_1);
+x_108 = l_Lean_Expr_hasMVar(x_1);
 if (x_108 == 0)
 {
-lean_object* x_109; lean_object* x_110; 
-x_109 = lean_ctor_get(x_107, 0);
-x_110 = l_Lean_mkAppRev(x_103, x_109);
-lean_dec(x_109);
-lean_ctor_set(x_107, 0, x_110);
-return x_107;
+x_64 = x_1;
+x_65 = x_3;
+goto block_107;
 }
 else
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
-x_111 = lean_ctor_get(x_107, 0);
-x_112 = lean_ctor_get(x_107, 1);
+lean_object* x_109; lean_object* x_110; 
+x_109 = lean_ctor_get(x_3, 1);
+lean_inc(x_109);
+x_110 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_109, x_1);
+lean_dec(x_109);
+if (lean_obj_tag(x_110) == 0)
+{
+lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+lean_inc(x_1);
+x_111 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_112 = lean_ctor_get(x_111, 1);
 lean_inc(x_112);
-lean_inc(x_111);
-lean_dec(x_107);
-x_113 = l_Lean_mkAppRev(x_103, x_111);
+x_113 = lean_ctor_get(x_111, 0);
+lean_inc(x_113);
 lean_dec(x_111);
-x_114 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_114, 0, x_113);
-lean_ctor_set(x_114, 1, x_112);
-return x_114;
+x_114 = !lean_is_exclusive(x_112);
+if (x_114 == 0)
+{
+lean_object* x_115; lean_object* x_116; 
+x_115 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+x_116 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_115, x_1, x_113);
+lean_ctor_set(x_112, 1, x_116);
+x_64 = x_113;
+x_65 = x_112;
+goto block_107;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_117 = lean_ctor_get(x_112, 0);
+x_118 = lean_ctor_get(x_112, 1);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_112);
+lean_inc(x_113);
+x_119 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_118, x_1, x_113);
+x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_120, 0, x_117);
+lean_ctor_set(x_120, 1, x_119);
+x_64 = x_113;
+x_65 = x_120;
+goto block_107;
+}
+}
+else
+{
+lean_object* x_121; 
+lean_dec(x_1);
+x_121 = lean_ctor_get(x_110, 0);
+lean_inc(x_121);
+lean_dec(x_110);
+x_64 = x_121;
+x_65 = x_3;
+goto block_107;
+}
+}
+block_107:
+{
+lean_object* x_66; 
+if (x_63 == 0)
+{
+lean_object* x_77; 
+x_77 = lean_box(0);
+x_66 = x_77;
+goto block_76;
+}
+else
+{
+uint8_t x_78; 
+x_78 = l_Lean_Expr_isLambda(x_64);
+if (x_78 == 0)
+{
+lean_object* x_79; 
+x_79 = lean_box(0);
+x_66 = x_79;
+goto block_76;
+}
+else
+{
+lean_object* x_80; uint8_t x_81; 
+x_80 = l_Lean_Expr_betaRev(x_64, x_2);
+lean_dec(x_64);
+x_81 = l_Lean_Expr_hasMVar(x_80);
+if (x_81 == 0)
+{
+lean_object* x_82; 
+x_82 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_65);
+return x_82;
+}
+else
+{
+lean_object* x_83; lean_object* x_84; 
+x_83 = lean_ctor_get(x_65, 1);
+lean_inc(x_83);
+x_84 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_83, x_80);
+lean_dec(x_83);
+if (lean_obj_tag(x_84) == 0)
+{
+lean_object* x_85; uint8_t x_86; 
+lean_inc(x_80);
+x_85 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_80, x_65);
+x_86 = !lean_is_exclusive(x_85);
+if (x_86 == 0)
+{
+lean_object* x_87; uint8_t x_88; 
+x_87 = lean_ctor_get(x_85, 1);
+x_88 = !lean_is_exclusive(x_87);
+if (x_88 == 0)
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_89 = lean_ctor_get(x_85, 0);
+x_90 = lean_ctor_get(x_87, 1);
+lean_inc(x_89);
+x_91 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_90, x_80, x_89);
+lean_ctor_set(x_87, 1, x_91);
+return x_85;
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_92 = lean_ctor_get(x_85, 0);
+x_93 = lean_ctor_get(x_87, 0);
+x_94 = lean_ctor_get(x_87, 1);
+lean_inc(x_94);
+lean_inc(x_93);
+lean_dec(x_87);
+lean_inc(x_92);
+x_95 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_94, x_80, x_92);
+x_96 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_96, 0, x_93);
+lean_ctor_set(x_96, 1, x_95);
+lean_ctor_set(x_85, 1, x_96);
+return x_85;
+}
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_97 = lean_ctor_get(x_85, 1);
+x_98 = lean_ctor_get(x_85, 0);
+lean_inc(x_97);
+lean_inc(x_98);
+lean_dec(x_85);
+x_99 = lean_ctor_get(x_97, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_97, 1);
+lean_inc(x_100);
+if (lean_is_exclusive(x_97)) {
+ lean_ctor_release(x_97, 0);
+ lean_ctor_release(x_97, 1);
+ x_101 = x_97;
+} else {
+ lean_dec_ref(x_97);
+ x_101 = lean_box(0);
+}
+lean_inc(x_98);
+x_102 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_100, x_80, x_98);
+if (lean_is_scalar(x_101)) {
+ x_103 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_103 = x_101;
+}
+lean_ctor_set(x_103, 0, x_99);
+lean_ctor_set(x_103, 1, x_102);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_98);
+lean_ctor_set(x_104, 1, x_103);
+return x_104;
+}
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+lean_dec(x_80);
+x_105 = lean_ctor_get(x_84, 0);
+lean_inc(x_105);
+lean_dec(x_84);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_105);
+lean_ctor_set(x_106, 1, x_65);
+return x_106;
+}
+}
+}
+}
+block_76:
+{
+lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+lean_dec(x_66);
+x_67 = lean_unsigned_to_nat(0u);
+x_68 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_67, x_2, x_65);
+x_69 = !lean_is_exclusive(x_68);
+if (x_69 == 0)
+{
+lean_object* x_70; lean_object* x_71; 
+x_70 = lean_ctor_get(x_68, 0);
+x_71 = l_Lean_mkAppRev(x_64, x_70);
+lean_dec(x_70);
+lean_ctor_set(x_68, 0, x_71);
+return x_68;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_68, 0);
+x_73 = lean_ctor_get(x_68, 1);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_68);
+x_74 = l_Lean_mkAppRev(x_64, x_72);
+lean_dec(x_72);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_73);
+return x_75;
 }
 }
 }
 }
 case 2:
 {
-uint8_t x_200; lean_object* x_201; lean_object* x_202; uint8_t x_270; 
-x_200 = l_Lean_Expr_isMVar(x_1);
-x_270 = lean_expr_has_expr_mvar(x_1);
-if (x_270 == 0)
+uint8_t x_122; lean_object* x_123; lean_object* x_124; uint8_t x_167; 
+x_122 = l_Lean_Expr_isMVar(x_1);
+x_167 = l_Lean_Expr_hasMVar(x_1);
+if (x_167 == 0)
 {
-uint8_t x_271; 
-x_271 = lean_expr_has_level_mvar(x_1);
-if (x_271 == 0)
-{
-x_201 = x_1;
-x_202 = x_3;
-goto block_269;
+x_123 = x_1;
+x_124 = x_3;
+goto block_166;
 }
 else
 {
-lean_object* x_272; lean_object* x_273; 
-x_272 = lean_ctor_get(x_3, 1);
-lean_inc(x_272);
-x_273 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_272, x_1);
-lean_dec(x_272);
-if (lean_obj_tag(x_273) == 0)
+lean_object* x_168; lean_object* x_169; 
+x_168 = lean_ctor_get(x_3, 1);
+lean_inc(x_168);
+x_169 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_168, x_1);
+lean_dec(x_168);
+if (lean_obj_tag(x_169) == 0)
 {
-lean_object* x_274; lean_object* x_275; lean_object* x_276; uint8_t x_277; 
+lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
 lean_inc(x_1);
-x_274 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_275 = lean_ctor_get(x_274, 1);
-lean_inc(x_275);
-x_276 = lean_ctor_get(x_274, 0);
-lean_inc(x_276);
-lean_dec(x_274);
-x_277 = !lean_is_exclusive(x_275);
-if (x_277 == 0)
+x_170 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_171 = lean_ctor_get(x_170, 1);
+lean_inc(x_171);
+x_172 = lean_ctor_get(x_170, 0);
+lean_inc(x_172);
+lean_dec(x_170);
+x_173 = !lean_is_exclusive(x_171);
+if (x_173 == 0)
 {
-lean_object* x_278; lean_object* x_279; 
-x_278 = lean_ctor_get(x_275, 1);
-lean_inc(x_276);
-x_279 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_278, x_1, x_276);
-lean_ctor_set(x_275, 1, x_279);
-x_201 = x_276;
-x_202 = x_275;
-goto block_269;
+lean_object* x_174; lean_object* x_175; 
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_172);
+x_175 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_174, x_1, x_172);
+lean_ctor_set(x_171, 1, x_175);
+x_123 = x_172;
+x_124 = x_171;
+goto block_166;
 }
 else
 {
-lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; 
-x_280 = lean_ctor_get(x_275, 0);
-x_281 = lean_ctor_get(x_275, 1);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_dec(x_275);
-lean_inc(x_276);
-x_282 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_281, x_1, x_276);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_280);
-lean_ctor_set(x_283, 1, x_282);
-x_201 = x_276;
-x_202 = x_283;
-goto block_269;
+lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+x_176 = lean_ctor_get(x_171, 0);
+x_177 = lean_ctor_get(x_171, 1);
+lean_inc(x_177);
+lean_inc(x_176);
+lean_dec(x_171);
+lean_inc(x_172);
+x_178 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_177, x_1, x_172);
+x_179 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_179, 0, x_176);
+lean_ctor_set(x_179, 1, x_178);
+x_123 = x_172;
+x_124 = x_179;
+goto block_166;
 }
 }
 else
 {
-lean_object* x_284; 
+lean_object* x_180; 
 lean_dec(x_1);
-x_284 = lean_ctor_get(x_273, 0);
-lean_inc(x_284);
-lean_dec(x_273);
-x_201 = x_284;
-x_202 = x_3;
-goto block_269;
+x_180 = lean_ctor_get(x_169, 0);
+lean_inc(x_180);
+lean_dec(x_169);
+x_123 = x_180;
+x_124 = x_3;
+goto block_166;
 }
 }
+block_166:
+{
+lean_object* x_125; 
+if (x_122 == 0)
+{
+lean_object* x_136; 
+x_136 = lean_box(0);
+x_125 = x_136;
+goto block_135;
+}
+else
+{
+uint8_t x_137; 
+x_137 = l_Lean_Expr_isLambda(x_123);
+if (x_137 == 0)
+{
+lean_object* x_138; 
+x_138 = lean_box(0);
+x_125 = x_138;
+goto block_135;
+}
+else
+{
+lean_object* x_139; uint8_t x_140; 
+x_139 = l_Lean_Expr_betaRev(x_123, x_2);
+lean_dec(x_123);
+x_140 = l_Lean_Expr_hasMVar(x_139);
+if (x_140 == 0)
+{
+lean_object* x_141; 
+x_141 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_124);
+return x_141;
+}
+else
+{
+lean_object* x_142; lean_object* x_143; 
+x_142 = lean_ctor_get(x_124, 1);
+lean_inc(x_142);
+x_143 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_142, x_139);
+lean_dec(x_142);
+if (lean_obj_tag(x_143) == 0)
+{
+lean_object* x_144; uint8_t x_145; 
+lean_inc(x_139);
+x_144 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_139, x_124);
+x_145 = !lean_is_exclusive(x_144);
+if (x_145 == 0)
+{
+lean_object* x_146; uint8_t x_147; 
+x_146 = lean_ctor_get(x_144, 1);
+x_147 = !lean_is_exclusive(x_146);
+if (x_147 == 0)
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+x_148 = lean_ctor_get(x_144, 0);
+x_149 = lean_ctor_get(x_146, 1);
+lean_inc(x_148);
+x_150 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_149, x_139, x_148);
+lean_ctor_set(x_146, 1, x_150);
+return x_144;
+}
+else
+{
+lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_151 = lean_ctor_get(x_144, 0);
+x_152 = lean_ctor_get(x_146, 0);
+x_153 = lean_ctor_get(x_146, 1);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_dec(x_146);
+lean_inc(x_151);
+x_154 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_153, x_139, x_151);
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_152);
+lean_ctor_set(x_155, 1, x_154);
+lean_ctor_set(x_144, 1, x_155);
+return x_144;
+}
 }
 else
 {
-lean_object* x_285; lean_object* x_286; 
-x_285 = lean_ctor_get(x_3, 1);
-lean_inc(x_285);
-x_286 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_285, x_1);
-lean_dec(x_285);
-if (lean_obj_tag(x_286) == 0)
-{
-lean_object* x_287; lean_object* x_288; lean_object* x_289; uint8_t x_290; 
-lean_inc(x_1);
-x_287 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_288 = lean_ctor_get(x_287, 1);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_287, 0);
-lean_inc(x_289);
-lean_dec(x_287);
-x_290 = !lean_is_exclusive(x_288);
-if (x_290 == 0)
-{
-lean_object* x_291; lean_object* x_292; 
-x_291 = lean_ctor_get(x_288, 1);
-lean_inc(x_289);
-x_292 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_291, x_1, x_289);
-lean_ctor_set(x_288, 1, x_292);
-x_201 = x_289;
-x_202 = x_288;
-goto block_269;
-}
-else
-{
-lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; 
-x_293 = lean_ctor_get(x_288, 0);
-x_294 = lean_ctor_get(x_288, 1);
-lean_inc(x_294);
-lean_inc(x_293);
-lean_dec(x_288);
-lean_inc(x_289);
-x_295 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_294, x_1, x_289);
-x_296 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_296, 0, x_293);
-lean_ctor_set(x_296, 1, x_295);
-x_201 = x_289;
-x_202 = x_296;
-goto block_269;
-}
-}
-else
-{
-lean_object* x_297; 
-lean_dec(x_1);
-x_297 = lean_ctor_get(x_286, 0);
-lean_inc(x_297);
-lean_dec(x_286);
-x_201 = x_297;
-x_202 = x_3;
-goto block_269;
-}
-}
-block_269:
-{
-lean_object* x_203; 
-if (x_200 == 0)
-{
-lean_object* x_214; 
-x_214 = lean_box(0);
-x_203 = x_214;
-goto block_213;
-}
-else
-{
-uint8_t x_215; 
-x_215 = l_Lean_Expr_isLambda(x_201);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_box(0);
-x_203 = x_216;
-goto block_213;
-}
-else
-{
-lean_object* x_217; uint8_t x_218; 
-x_217 = l_Lean_Expr_betaRev(x_201, x_2);
-lean_dec(x_201);
-x_218 = lean_expr_has_expr_mvar(x_217);
-if (x_218 == 0)
-{
-uint8_t x_219; 
-x_219 = lean_expr_has_level_mvar(x_217);
-if (x_219 == 0)
-{
-lean_object* x_220; 
-x_220 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_220, 0, x_217);
-lean_ctor_set(x_220, 1, x_202);
-return x_220;
-}
-else
-{
-lean_object* x_221; lean_object* x_222; 
-x_221 = lean_ctor_get(x_202, 1);
-lean_inc(x_221);
-x_222 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_221, x_217);
-lean_dec(x_221);
-if (lean_obj_tag(x_222) == 0)
-{
-lean_object* x_223; uint8_t x_224; 
-lean_inc(x_217);
-x_223 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_217, x_202);
-x_224 = !lean_is_exclusive(x_223);
-if (x_224 == 0)
-{
-lean_object* x_225; uint8_t x_226; 
-x_225 = lean_ctor_get(x_223, 1);
-x_226 = !lean_is_exclusive(x_225);
-if (x_226 == 0)
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; 
-x_227 = lean_ctor_get(x_223, 0);
-x_228 = lean_ctor_get(x_225, 1);
-lean_inc(x_227);
-x_229 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_228, x_217, x_227);
-lean_ctor_set(x_225, 1, x_229);
-return x_223;
-}
-else
-{
-lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_230 = lean_ctor_get(x_223, 0);
-x_231 = lean_ctor_get(x_225, 0);
-x_232 = lean_ctor_get(x_225, 1);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_dec(x_225);
-lean_inc(x_230);
-x_233 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_232, x_217, x_230);
-x_234 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_234, 0, x_231);
-lean_ctor_set(x_234, 1, x_233);
-lean_ctor_set(x_223, 1, x_234);
-return x_223;
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_223, 1);
-x_236 = lean_ctor_get(x_223, 0);
-lean_inc(x_235);
-lean_inc(x_236);
-lean_dec(x_223);
-x_237 = lean_ctor_get(x_235, 0);
-lean_inc(x_237);
-x_238 = lean_ctor_get(x_235, 1);
-lean_inc(x_238);
-if (lean_is_exclusive(x_235)) {
- lean_ctor_release(x_235, 0);
- lean_ctor_release(x_235, 1);
- x_239 = x_235;
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+x_156 = lean_ctor_get(x_144, 1);
+x_157 = lean_ctor_get(x_144, 0);
+lean_inc(x_156);
+lean_inc(x_157);
+lean_dec(x_144);
+x_158 = lean_ctor_get(x_156, 0);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+if (lean_is_exclusive(x_156)) {
+ lean_ctor_release(x_156, 0);
+ lean_ctor_release(x_156, 1);
+ x_160 = x_156;
 } else {
- lean_dec_ref(x_235);
- x_239 = lean_box(0);
+ lean_dec_ref(x_156);
+ x_160 = lean_box(0);
 }
-lean_inc(x_236);
-x_240 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_238, x_217, x_236);
-if (lean_is_scalar(x_239)) {
- x_241 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_157);
+x_161 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_159, x_139, x_157);
+if (lean_is_scalar(x_160)) {
+ x_162 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_241 = x_239;
+ x_162 = x_160;
 }
-lean_ctor_set(x_241, 0, x_237);
-lean_ctor_set(x_241, 1, x_240);
-x_242 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_242, 0, x_236);
-lean_ctor_set(x_242, 1, x_241);
-return x_242;
+lean_ctor_set(x_162, 0, x_158);
+lean_ctor_set(x_162, 1, x_161);
+x_163 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_163, 0, x_157);
+lean_ctor_set(x_163, 1, x_162);
+return x_163;
 }
 }
 else
 {
-lean_object* x_243; lean_object* x_244; 
-lean_dec(x_217);
-x_243 = lean_ctor_get(x_222, 0);
-lean_inc(x_243);
-lean_dec(x_222);
-x_244 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_244, 0, x_243);
-lean_ctor_set(x_244, 1, x_202);
-return x_244;
+lean_object* x_164; lean_object* x_165; 
+lean_dec(x_139);
+x_164 = lean_ctor_get(x_143, 0);
+lean_inc(x_164);
+lean_dec(x_143);
+x_165 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_165, 0, x_164);
+lean_ctor_set(x_165, 1, x_124);
+return x_165;
 }
 }
 }
+}
+block_135:
+{
+lean_object* x_126; lean_object* x_127; uint8_t x_128; 
+lean_dec(x_125);
+x_126 = lean_unsigned_to_nat(0u);
+x_127 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_126, x_2, x_124);
+x_128 = !lean_is_exclusive(x_127);
+if (x_128 == 0)
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_127, 0);
+x_130 = l_Lean_mkAppRev(x_123, x_129);
+lean_dec(x_129);
+lean_ctor_set(x_127, 0, x_130);
+return x_127;
+}
 else
 {
-lean_object* x_245; lean_object* x_246; 
-x_245 = lean_ctor_get(x_202, 1);
-lean_inc(x_245);
-x_246 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_245, x_217);
-lean_dec(x_245);
-if (lean_obj_tag(x_246) == 0)
-{
-lean_object* x_247; uint8_t x_248; 
-lean_inc(x_217);
-x_247 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_217, x_202);
-x_248 = !lean_is_exclusive(x_247);
-if (x_248 == 0)
-{
-lean_object* x_249; uint8_t x_250; 
-x_249 = lean_ctor_get(x_247, 1);
-x_250 = !lean_is_exclusive(x_249);
-if (x_250 == 0)
-{
-lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_251 = lean_ctor_get(x_247, 0);
-x_252 = lean_ctor_get(x_249, 1);
-lean_inc(x_251);
-x_253 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_252, x_217, x_251);
-lean_ctor_set(x_249, 1, x_253);
-return x_247;
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; 
-x_254 = lean_ctor_get(x_247, 0);
-x_255 = lean_ctor_get(x_249, 0);
-x_256 = lean_ctor_get(x_249, 1);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_dec(x_249);
-lean_inc(x_254);
-x_257 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_256, x_217, x_254);
-x_258 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_258, 0, x_255);
-lean_ctor_set(x_258, 1, x_257);
-lean_ctor_set(x_247, 1, x_258);
-return x_247;
-}
-}
-else
-{
-lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; 
-x_259 = lean_ctor_get(x_247, 1);
-x_260 = lean_ctor_get(x_247, 0);
-lean_inc(x_259);
-lean_inc(x_260);
-lean_dec(x_247);
-x_261 = lean_ctor_get(x_259, 0);
-lean_inc(x_261);
-x_262 = lean_ctor_get(x_259, 1);
-lean_inc(x_262);
-if (lean_is_exclusive(x_259)) {
- lean_ctor_release(x_259, 0);
- lean_ctor_release(x_259, 1);
- x_263 = x_259;
-} else {
- lean_dec_ref(x_259);
- x_263 = lean_box(0);
-}
-lean_inc(x_260);
-x_264 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_262, x_217, x_260);
-if (lean_is_scalar(x_263)) {
- x_265 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_265 = x_263;
-}
-lean_ctor_set(x_265, 0, x_261);
-lean_ctor_set(x_265, 1, x_264);
-x_266 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_266, 0, x_260);
-lean_ctor_set(x_266, 1, x_265);
-return x_266;
-}
-}
-else
-{
-lean_object* x_267; lean_object* x_268; 
-lean_dec(x_217);
-x_267 = lean_ctor_get(x_246, 0);
-lean_inc(x_267);
-lean_dec(x_246);
-x_268 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_268, 0, x_267);
-lean_ctor_set(x_268, 1, x_202);
-return x_268;
-}
-}
-}
-}
-block_213:
-{
-lean_object* x_204; lean_object* x_205; uint8_t x_206; 
-lean_dec(x_203);
-x_204 = lean_unsigned_to_nat(0u);
-x_205 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_204, x_2, x_202);
-x_206 = !lean_is_exclusive(x_205);
-if (x_206 == 0)
-{
-lean_object* x_207; lean_object* x_208; 
-x_207 = lean_ctor_get(x_205, 0);
-x_208 = l_Lean_mkAppRev(x_201, x_207);
-lean_dec(x_207);
-lean_ctor_set(x_205, 0, x_208);
-return x_205;
-}
-else
-{
-lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_209 = lean_ctor_get(x_205, 0);
-x_210 = lean_ctor_get(x_205, 1);
-lean_inc(x_210);
-lean_inc(x_209);
-lean_dec(x_205);
-x_211 = l_Lean_mkAppRev(x_201, x_209);
-lean_dec(x_209);
-x_212 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_212, 0, x_211);
-lean_ctor_set(x_212, 1, x_210);
-return x_212;
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+x_131 = lean_ctor_get(x_127, 0);
+x_132 = lean_ctor_get(x_127, 1);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_127);
+x_133 = l_Lean_mkAppRev(x_123, x_131);
+lean_dec(x_131);
+x_134 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_134, 0, x_133);
+lean_ctor_set(x_134, 1, x_132);
+return x_134;
 }
 }
 }
 }
 case 3:
 {
-uint8_t x_298; lean_object* x_299; lean_object* x_300; uint8_t x_368; 
-x_298 = l_Lean_Expr_isMVar(x_1);
-x_368 = lean_expr_has_expr_mvar(x_1);
-if (x_368 == 0)
+uint8_t x_181; lean_object* x_182; lean_object* x_183; uint8_t x_226; 
+x_181 = l_Lean_Expr_isMVar(x_1);
+x_226 = l_Lean_Expr_hasMVar(x_1);
+if (x_226 == 0)
 {
-uint8_t x_369; 
-x_369 = lean_expr_has_level_mvar(x_1);
-if (x_369 == 0)
-{
-x_299 = x_1;
-x_300 = x_3;
-goto block_367;
+x_182 = x_1;
+x_183 = x_3;
+goto block_225;
 }
 else
 {
-lean_object* x_370; lean_object* x_371; 
-x_370 = lean_ctor_get(x_3, 1);
-lean_inc(x_370);
-x_371 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_370, x_1);
-lean_dec(x_370);
-if (lean_obj_tag(x_371) == 0)
+lean_object* x_227; lean_object* x_228; 
+x_227 = lean_ctor_get(x_3, 1);
+lean_inc(x_227);
+x_228 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_227, x_1);
+lean_dec(x_227);
+if (lean_obj_tag(x_228) == 0)
 {
-lean_object* x_372; lean_object* x_373; lean_object* x_374; uint8_t x_375; 
+lean_object* x_229; lean_object* x_230; lean_object* x_231; uint8_t x_232; 
 lean_inc(x_1);
-x_372 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_373 = lean_ctor_get(x_372, 1);
-lean_inc(x_373);
-x_374 = lean_ctor_get(x_372, 0);
-lean_inc(x_374);
-lean_dec(x_372);
-x_375 = !lean_is_exclusive(x_373);
-if (x_375 == 0)
+x_229 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_230 = lean_ctor_get(x_229, 1);
+lean_inc(x_230);
+x_231 = lean_ctor_get(x_229, 0);
+lean_inc(x_231);
+lean_dec(x_229);
+x_232 = !lean_is_exclusive(x_230);
+if (x_232 == 0)
 {
-lean_object* x_376; lean_object* x_377; 
-x_376 = lean_ctor_get(x_373, 1);
-lean_inc(x_374);
-x_377 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_376, x_1, x_374);
-lean_ctor_set(x_373, 1, x_377);
-x_299 = x_374;
-x_300 = x_373;
-goto block_367;
+lean_object* x_233; lean_object* x_234; 
+x_233 = lean_ctor_get(x_230, 1);
+lean_inc(x_231);
+x_234 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_233, x_1, x_231);
+lean_ctor_set(x_230, 1, x_234);
+x_182 = x_231;
+x_183 = x_230;
+goto block_225;
 }
 else
 {
-lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; 
-x_378 = lean_ctor_get(x_373, 0);
-x_379 = lean_ctor_get(x_373, 1);
-lean_inc(x_379);
-lean_inc(x_378);
-lean_dec(x_373);
-lean_inc(x_374);
-x_380 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_379, x_1, x_374);
-x_381 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_381, 0, x_378);
-lean_ctor_set(x_381, 1, x_380);
-x_299 = x_374;
-x_300 = x_381;
-goto block_367;
+lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; 
+x_235 = lean_ctor_get(x_230, 0);
+x_236 = lean_ctor_get(x_230, 1);
+lean_inc(x_236);
+lean_inc(x_235);
+lean_dec(x_230);
+lean_inc(x_231);
+x_237 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_236, x_1, x_231);
+x_238 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_238, 0, x_235);
+lean_ctor_set(x_238, 1, x_237);
+x_182 = x_231;
+x_183 = x_238;
+goto block_225;
 }
 }
 else
 {
-lean_object* x_382; 
+lean_object* x_239; 
 lean_dec(x_1);
-x_382 = lean_ctor_get(x_371, 0);
-lean_inc(x_382);
-lean_dec(x_371);
-x_299 = x_382;
-x_300 = x_3;
-goto block_367;
+x_239 = lean_ctor_get(x_228, 0);
+lean_inc(x_239);
+lean_dec(x_228);
+x_182 = x_239;
+x_183 = x_3;
+goto block_225;
 }
 }
+block_225:
+{
+lean_object* x_184; 
+if (x_181 == 0)
+{
+lean_object* x_195; 
+x_195 = lean_box(0);
+x_184 = x_195;
+goto block_194;
+}
+else
+{
+uint8_t x_196; 
+x_196 = l_Lean_Expr_isLambda(x_182);
+if (x_196 == 0)
+{
+lean_object* x_197; 
+x_197 = lean_box(0);
+x_184 = x_197;
+goto block_194;
+}
+else
+{
+lean_object* x_198; uint8_t x_199; 
+x_198 = l_Lean_Expr_betaRev(x_182, x_2);
+lean_dec(x_182);
+x_199 = l_Lean_Expr_hasMVar(x_198);
+if (x_199 == 0)
+{
+lean_object* x_200; 
+x_200 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_200, 0, x_198);
+lean_ctor_set(x_200, 1, x_183);
+return x_200;
+}
+else
+{
+lean_object* x_201; lean_object* x_202; 
+x_201 = lean_ctor_get(x_183, 1);
+lean_inc(x_201);
+x_202 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_201, x_198);
+lean_dec(x_201);
+if (lean_obj_tag(x_202) == 0)
+{
+lean_object* x_203; uint8_t x_204; 
+lean_inc(x_198);
+x_203 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_198, x_183);
+x_204 = !lean_is_exclusive(x_203);
+if (x_204 == 0)
+{
+lean_object* x_205; uint8_t x_206; 
+x_205 = lean_ctor_get(x_203, 1);
+x_206 = !lean_is_exclusive(x_205);
+if (x_206 == 0)
+{
+lean_object* x_207; lean_object* x_208; lean_object* x_209; 
+x_207 = lean_ctor_get(x_203, 0);
+x_208 = lean_ctor_get(x_205, 1);
+lean_inc(x_207);
+x_209 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_208, x_198, x_207);
+lean_ctor_set(x_205, 1, x_209);
+return x_203;
+}
+else
+{
+lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
+x_210 = lean_ctor_get(x_203, 0);
+x_211 = lean_ctor_get(x_205, 0);
+x_212 = lean_ctor_get(x_205, 1);
+lean_inc(x_212);
+lean_inc(x_211);
+lean_dec(x_205);
+lean_inc(x_210);
+x_213 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_212, x_198, x_210);
+x_214 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_214, 0, x_211);
+lean_ctor_set(x_214, 1, x_213);
+lean_ctor_set(x_203, 1, x_214);
+return x_203;
+}
 }
 else
 {
-lean_object* x_383; lean_object* x_384; 
-x_383 = lean_ctor_get(x_3, 1);
-lean_inc(x_383);
-x_384 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_383, x_1);
-lean_dec(x_383);
-if (lean_obj_tag(x_384) == 0)
-{
-lean_object* x_385; lean_object* x_386; lean_object* x_387; uint8_t x_388; 
-lean_inc(x_1);
-x_385 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_386 = lean_ctor_get(x_385, 1);
-lean_inc(x_386);
-x_387 = lean_ctor_get(x_385, 0);
-lean_inc(x_387);
-lean_dec(x_385);
-x_388 = !lean_is_exclusive(x_386);
-if (x_388 == 0)
-{
-lean_object* x_389; lean_object* x_390; 
-x_389 = lean_ctor_get(x_386, 1);
-lean_inc(x_387);
-x_390 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_389, x_1, x_387);
-lean_ctor_set(x_386, 1, x_390);
-x_299 = x_387;
-x_300 = x_386;
-goto block_367;
-}
-else
-{
-lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; 
-x_391 = lean_ctor_get(x_386, 0);
-x_392 = lean_ctor_get(x_386, 1);
-lean_inc(x_392);
-lean_inc(x_391);
-lean_dec(x_386);
-lean_inc(x_387);
-x_393 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_392, x_1, x_387);
-x_394 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_394, 0, x_391);
-lean_ctor_set(x_394, 1, x_393);
-x_299 = x_387;
-x_300 = x_394;
-goto block_367;
-}
-}
-else
-{
-lean_object* x_395; 
-lean_dec(x_1);
-x_395 = lean_ctor_get(x_384, 0);
-lean_inc(x_395);
-lean_dec(x_384);
-x_299 = x_395;
-x_300 = x_3;
-goto block_367;
-}
-}
-block_367:
-{
-lean_object* x_301; 
-if (x_298 == 0)
-{
-lean_object* x_312; 
-x_312 = lean_box(0);
-x_301 = x_312;
-goto block_311;
-}
-else
-{
-uint8_t x_313; 
-x_313 = l_Lean_Expr_isLambda(x_299);
-if (x_313 == 0)
-{
-lean_object* x_314; 
-x_314 = lean_box(0);
-x_301 = x_314;
-goto block_311;
-}
-else
-{
-lean_object* x_315; uint8_t x_316; 
-x_315 = l_Lean_Expr_betaRev(x_299, x_2);
-lean_dec(x_299);
-x_316 = lean_expr_has_expr_mvar(x_315);
-if (x_316 == 0)
-{
-uint8_t x_317; 
-x_317 = lean_expr_has_level_mvar(x_315);
-if (x_317 == 0)
-{
-lean_object* x_318; 
-x_318 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_318, 0, x_315);
-lean_ctor_set(x_318, 1, x_300);
-return x_318;
-}
-else
-{
-lean_object* x_319; lean_object* x_320; 
-x_319 = lean_ctor_get(x_300, 1);
-lean_inc(x_319);
-x_320 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_319, x_315);
-lean_dec(x_319);
-if (lean_obj_tag(x_320) == 0)
-{
-lean_object* x_321; uint8_t x_322; 
-lean_inc(x_315);
-x_321 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_315, x_300);
-x_322 = !lean_is_exclusive(x_321);
-if (x_322 == 0)
-{
-lean_object* x_323; uint8_t x_324; 
-x_323 = lean_ctor_get(x_321, 1);
-x_324 = !lean_is_exclusive(x_323);
-if (x_324 == 0)
-{
-lean_object* x_325; lean_object* x_326; lean_object* x_327; 
-x_325 = lean_ctor_get(x_321, 0);
-x_326 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-x_327 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_326, x_315, x_325);
-lean_ctor_set(x_323, 1, x_327);
-return x_321;
-}
-else
-{
-lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; 
-x_328 = lean_ctor_get(x_321, 0);
-x_329 = lean_ctor_get(x_323, 0);
-x_330 = lean_ctor_get(x_323, 1);
-lean_inc(x_330);
-lean_inc(x_329);
-lean_dec(x_323);
-lean_inc(x_328);
-x_331 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_330, x_315, x_328);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_329);
-lean_ctor_set(x_332, 1, x_331);
-lean_ctor_set(x_321, 1, x_332);
-return x_321;
-}
-}
-else
-{
-lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; 
-x_333 = lean_ctor_get(x_321, 1);
-x_334 = lean_ctor_get(x_321, 0);
-lean_inc(x_333);
-lean_inc(x_334);
-lean_dec(x_321);
-x_335 = lean_ctor_get(x_333, 0);
-lean_inc(x_335);
-x_336 = lean_ctor_get(x_333, 1);
-lean_inc(x_336);
-if (lean_is_exclusive(x_333)) {
- lean_ctor_release(x_333, 0);
- lean_ctor_release(x_333, 1);
- x_337 = x_333;
+lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; 
+x_215 = lean_ctor_get(x_203, 1);
+x_216 = lean_ctor_get(x_203, 0);
+lean_inc(x_215);
+lean_inc(x_216);
+lean_dec(x_203);
+x_217 = lean_ctor_get(x_215, 0);
+lean_inc(x_217);
+x_218 = lean_ctor_get(x_215, 1);
+lean_inc(x_218);
+if (lean_is_exclusive(x_215)) {
+ lean_ctor_release(x_215, 0);
+ lean_ctor_release(x_215, 1);
+ x_219 = x_215;
 } else {
- lean_dec_ref(x_333);
- x_337 = lean_box(0);
+ lean_dec_ref(x_215);
+ x_219 = lean_box(0);
 }
-lean_inc(x_334);
-x_338 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_336, x_315, x_334);
-if (lean_is_scalar(x_337)) {
- x_339 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_216);
+x_220 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_218, x_198, x_216);
+if (lean_is_scalar(x_219)) {
+ x_221 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_339 = x_337;
+ x_221 = x_219;
 }
-lean_ctor_set(x_339, 0, x_335);
-lean_ctor_set(x_339, 1, x_338);
-x_340 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_340, 0, x_334);
-lean_ctor_set(x_340, 1, x_339);
-return x_340;
+lean_ctor_set(x_221, 0, x_217);
+lean_ctor_set(x_221, 1, x_220);
+x_222 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_222, 0, x_216);
+lean_ctor_set(x_222, 1, x_221);
+return x_222;
 }
 }
 else
 {
-lean_object* x_341; lean_object* x_342; 
-lean_dec(x_315);
-x_341 = lean_ctor_get(x_320, 0);
-lean_inc(x_341);
-lean_dec(x_320);
-x_342 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_342, 0, x_341);
-lean_ctor_set(x_342, 1, x_300);
-return x_342;
+lean_object* x_223; lean_object* x_224; 
+lean_dec(x_198);
+x_223 = lean_ctor_get(x_202, 0);
+lean_inc(x_223);
+lean_dec(x_202);
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_223);
+lean_ctor_set(x_224, 1, x_183);
+return x_224;
 }
 }
 }
+}
+block_194:
+{
+lean_object* x_185; lean_object* x_186; uint8_t x_187; 
+lean_dec(x_184);
+x_185 = lean_unsigned_to_nat(0u);
+x_186 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_185, x_2, x_183);
+x_187 = !lean_is_exclusive(x_186);
+if (x_187 == 0)
+{
+lean_object* x_188; lean_object* x_189; 
+x_188 = lean_ctor_get(x_186, 0);
+x_189 = l_Lean_mkAppRev(x_182, x_188);
+lean_dec(x_188);
+lean_ctor_set(x_186, 0, x_189);
+return x_186;
+}
 else
 {
-lean_object* x_343; lean_object* x_344; 
-x_343 = lean_ctor_get(x_300, 1);
-lean_inc(x_343);
-x_344 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_343, x_315);
-lean_dec(x_343);
-if (lean_obj_tag(x_344) == 0)
-{
-lean_object* x_345; uint8_t x_346; 
-lean_inc(x_315);
-x_345 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_315, x_300);
-x_346 = !lean_is_exclusive(x_345);
-if (x_346 == 0)
-{
-lean_object* x_347; uint8_t x_348; 
-x_347 = lean_ctor_get(x_345, 1);
-x_348 = !lean_is_exclusive(x_347);
-if (x_348 == 0)
-{
-lean_object* x_349; lean_object* x_350; lean_object* x_351; 
-x_349 = lean_ctor_get(x_345, 0);
-x_350 = lean_ctor_get(x_347, 1);
-lean_inc(x_349);
-x_351 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_350, x_315, x_349);
-lean_ctor_set(x_347, 1, x_351);
-return x_345;
-}
-else
-{
-lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; 
-x_352 = lean_ctor_get(x_345, 0);
-x_353 = lean_ctor_get(x_347, 0);
-x_354 = lean_ctor_get(x_347, 1);
-lean_inc(x_354);
-lean_inc(x_353);
-lean_dec(x_347);
-lean_inc(x_352);
-x_355 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_354, x_315, x_352);
-x_356 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_356, 0, x_353);
-lean_ctor_set(x_356, 1, x_355);
-lean_ctor_set(x_345, 1, x_356);
-return x_345;
-}
-}
-else
-{
-lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; 
-x_357 = lean_ctor_get(x_345, 1);
-x_358 = lean_ctor_get(x_345, 0);
-lean_inc(x_357);
-lean_inc(x_358);
-lean_dec(x_345);
-x_359 = lean_ctor_get(x_357, 0);
-lean_inc(x_359);
-x_360 = lean_ctor_get(x_357, 1);
-lean_inc(x_360);
-if (lean_is_exclusive(x_357)) {
- lean_ctor_release(x_357, 0);
- lean_ctor_release(x_357, 1);
- x_361 = x_357;
-} else {
- lean_dec_ref(x_357);
- x_361 = lean_box(0);
-}
-lean_inc(x_358);
-x_362 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_360, x_315, x_358);
-if (lean_is_scalar(x_361)) {
- x_363 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_363 = x_361;
-}
-lean_ctor_set(x_363, 0, x_359);
-lean_ctor_set(x_363, 1, x_362);
-x_364 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_364, 0, x_358);
-lean_ctor_set(x_364, 1, x_363);
-return x_364;
-}
-}
-else
-{
-lean_object* x_365; lean_object* x_366; 
-lean_dec(x_315);
-x_365 = lean_ctor_get(x_344, 0);
-lean_inc(x_365);
-lean_dec(x_344);
-x_366 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_366, 0, x_365);
-lean_ctor_set(x_366, 1, x_300);
-return x_366;
-}
-}
-}
-}
-block_311:
-{
-lean_object* x_302; lean_object* x_303; uint8_t x_304; 
-lean_dec(x_301);
-x_302 = lean_unsigned_to_nat(0u);
-x_303 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_302, x_2, x_300);
-x_304 = !lean_is_exclusive(x_303);
-if (x_304 == 0)
-{
-lean_object* x_305; lean_object* x_306; 
-x_305 = lean_ctor_get(x_303, 0);
-x_306 = l_Lean_mkAppRev(x_299, x_305);
-lean_dec(x_305);
-lean_ctor_set(x_303, 0, x_306);
-return x_303;
-}
-else
-{
-lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; 
-x_307 = lean_ctor_get(x_303, 0);
-x_308 = lean_ctor_get(x_303, 1);
-lean_inc(x_308);
-lean_inc(x_307);
-lean_dec(x_303);
-x_309 = l_Lean_mkAppRev(x_299, x_307);
-lean_dec(x_307);
-x_310 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_310, 0, x_309);
-lean_ctor_set(x_310, 1, x_308);
-return x_310;
+lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; 
+x_190 = lean_ctor_get(x_186, 0);
+x_191 = lean_ctor_get(x_186, 1);
+lean_inc(x_191);
+lean_inc(x_190);
+lean_dec(x_186);
+x_192 = l_Lean_mkAppRev(x_182, x_190);
+lean_dec(x_190);
+x_193 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_193, 0, x_192);
+lean_ctor_set(x_193, 1, x_191);
+return x_193;
 }
 }
 }
 }
 case 4:
 {
-uint8_t x_396; lean_object* x_397; lean_object* x_398; uint8_t x_466; 
-x_396 = l_Lean_Expr_isMVar(x_1);
-x_466 = lean_expr_has_expr_mvar(x_1);
+uint8_t x_240; lean_object* x_241; lean_object* x_242; uint8_t x_285; 
+x_240 = l_Lean_Expr_isMVar(x_1);
+x_285 = l_Lean_Expr_hasMVar(x_1);
+if (x_285 == 0)
+{
+x_241 = x_1;
+x_242 = x_3;
+goto block_284;
+}
+else
+{
+lean_object* x_286; lean_object* x_287; 
+x_286 = lean_ctor_get(x_3, 1);
+lean_inc(x_286);
+x_287 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_286, x_1);
+lean_dec(x_286);
+if (lean_obj_tag(x_287) == 0)
+{
+lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; 
+lean_inc(x_1);
+x_288 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_289 = lean_ctor_get(x_288, 1);
+lean_inc(x_289);
+x_290 = lean_ctor_get(x_288, 0);
+lean_inc(x_290);
+lean_dec(x_288);
+x_291 = !lean_is_exclusive(x_289);
+if (x_291 == 0)
+{
+lean_object* x_292; lean_object* x_293; 
+x_292 = lean_ctor_get(x_289, 1);
+lean_inc(x_290);
+x_293 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_292, x_1, x_290);
+lean_ctor_set(x_289, 1, x_293);
+x_241 = x_290;
+x_242 = x_289;
+goto block_284;
+}
+else
+{
+lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; 
+x_294 = lean_ctor_get(x_289, 0);
+x_295 = lean_ctor_get(x_289, 1);
+lean_inc(x_295);
+lean_inc(x_294);
+lean_dec(x_289);
+lean_inc(x_290);
+x_296 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_295, x_1, x_290);
+x_297 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_297, 0, x_294);
+lean_ctor_set(x_297, 1, x_296);
+x_241 = x_290;
+x_242 = x_297;
+goto block_284;
+}
+}
+else
+{
+lean_object* x_298; 
+lean_dec(x_1);
+x_298 = lean_ctor_get(x_287, 0);
+lean_inc(x_298);
+lean_dec(x_287);
+x_241 = x_298;
+x_242 = x_3;
+goto block_284;
+}
+}
+block_284:
+{
+lean_object* x_243; 
+if (x_240 == 0)
+{
+lean_object* x_254; 
+x_254 = lean_box(0);
+x_243 = x_254;
+goto block_253;
+}
+else
+{
+uint8_t x_255; 
+x_255 = l_Lean_Expr_isLambda(x_241);
+if (x_255 == 0)
+{
+lean_object* x_256; 
+x_256 = lean_box(0);
+x_243 = x_256;
+goto block_253;
+}
+else
+{
+lean_object* x_257; uint8_t x_258; 
+x_257 = l_Lean_Expr_betaRev(x_241, x_2);
+lean_dec(x_241);
+x_258 = l_Lean_Expr_hasMVar(x_257);
+if (x_258 == 0)
+{
+lean_object* x_259; 
+x_259 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_259, 0, x_257);
+lean_ctor_set(x_259, 1, x_242);
+return x_259;
+}
+else
+{
+lean_object* x_260; lean_object* x_261; 
+x_260 = lean_ctor_get(x_242, 1);
+lean_inc(x_260);
+x_261 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_260, x_257);
+lean_dec(x_260);
+if (lean_obj_tag(x_261) == 0)
+{
+lean_object* x_262; uint8_t x_263; 
+lean_inc(x_257);
+x_262 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_257, x_242);
+x_263 = !lean_is_exclusive(x_262);
+if (x_263 == 0)
+{
+lean_object* x_264; uint8_t x_265; 
+x_264 = lean_ctor_get(x_262, 1);
+x_265 = !lean_is_exclusive(x_264);
+if (x_265 == 0)
+{
+lean_object* x_266; lean_object* x_267; lean_object* x_268; 
+x_266 = lean_ctor_get(x_262, 0);
+x_267 = lean_ctor_get(x_264, 1);
+lean_inc(x_266);
+x_268 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_267, x_257, x_266);
+lean_ctor_set(x_264, 1, x_268);
+return x_262;
+}
+else
+{
+lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; 
+x_269 = lean_ctor_get(x_262, 0);
+x_270 = lean_ctor_get(x_264, 0);
+x_271 = lean_ctor_get(x_264, 1);
+lean_inc(x_271);
+lean_inc(x_270);
+lean_dec(x_264);
+lean_inc(x_269);
+x_272 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_271, x_257, x_269);
+x_273 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_273, 0, x_270);
+lean_ctor_set(x_273, 1, x_272);
+lean_ctor_set(x_262, 1, x_273);
+return x_262;
+}
+}
+else
+{
+lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; 
+x_274 = lean_ctor_get(x_262, 1);
+x_275 = lean_ctor_get(x_262, 0);
+lean_inc(x_274);
+lean_inc(x_275);
+lean_dec(x_262);
+x_276 = lean_ctor_get(x_274, 0);
+lean_inc(x_276);
+x_277 = lean_ctor_get(x_274, 1);
+lean_inc(x_277);
+if (lean_is_exclusive(x_274)) {
+ lean_ctor_release(x_274, 0);
+ lean_ctor_release(x_274, 1);
+ x_278 = x_274;
+} else {
+ lean_dec_ref(x_274);
+ x_278 = lean_box(0);
+}
+lean_inc(x_275);
+x_279 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_277, x_257, x_275);
+if (lean_is_scalar(x_278)) {
+ x_280 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_280 = x_278;
+}
+lean_ctor_set(x_280, 0, x_276);
+lean_ctor_set(x_280, 1, x_279);
+x_281 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_281, 0, x_275);
+lean_ctor_set(x_281, 1, x_280);
+return x_281;
+}
+}
+else
+{
+lean_object* x_282; lean_object* x_283; 
+lean_dec(x_257);
+x_282 = lean_ctor_get(x_261, 0);
+lean_inc(x_282);
+lean_dec(x_261);
+x_283 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_283, 0, x_282);
+lean_ctor_set(x_283, 1, x_242);
+return x_283;
+}
+}
+}
+}
+block_253:
+{
+lean_object* x_244; lean_object* x_245; uint8_t x_246; 
+lean_dec(x_243);
+x_244 = lean_unsigned_to_nat(0u);
+x_245 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_244, x_2, x_242);
+x_246 = !lean_is_exclusive(x_245);
+if (x_246 == 0)
+{
+lean_object* x_247; lean_object* x_248; 
+x_247 = lean_ctor_get(x_245, 0);
+x_248 = l_Lean_mkAppRev(x_241, x_247);
+lean_dec(x_247);
+lean_ctor_set(x_245, 0, x_248);
+return x_245;
+}
+else
+{
+lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; 
+x_249 = lean_ctor_get(x_245, 0);
+x_250 = lean_ctor_get(x_245, 1);
+lean_inc(x_250);
+lean_inc(x_249);
+lean_dec(x_245);
+x_251 = l_Lean_mkAppRev(x_241, x_249);
+lean_dec(x_249);
+x_252 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_252, 0, x_251);
+lean_ctor_set(x_252, 1, x_250);
+return x_252;
+}
+}
+}
+}
+case 5:
+{
+lean_object* x_299; lean_object* x_300; lean_object* x_301; 
+x_299 = lean_ctor_get(x_1, 0);
+lean_inc(x_299);
+x_300 = lean_ctor_get(x_1, 1);
+lean_inc(x_300);
+lean_dec(x_1);
+x_301 = lean_array_push(x_2, x_300);
+x_1 = x_299;
+x_2 = x_301;
+goto _start;
+}
+case 6:
+{
+uint8_t x_303; lean_object* x_304; lean_object* x_305; uint8_t x_348; 
+x_303 = l_Lean_Expr_isMVar(x_1);
+x_348 = l_Lean_Expr_hasMVar(x_1);
+if (x_348 == 0)
+{
+x_304 = x_1;
+x_305 = x_3;
+goto block_347;
+}
+else
+{
+lean_object* x_349; lean_object* x_350; 
+x_349 = lean_ctor_get(x_3, 1);
+lean_inc(x_349);
+x_350 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_349, x_1);
+lean_dec(x_349);
+if (lean_obj_tag(x_350) == 0)
+{
+lean_object* x_351; lean_object* x_352; lean_object* x_353; uint8_t x_354; 
+lean_inc(x_1);
+x_351 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_352 = lean_ctor_get(x_351, 1);
+lean_inc(x_352);
+x_353 = lean_ctor_get(x_351, 0);
+lean_inc(x_353);
+lean_dec(x_351);
+x_354 = !lean_is_exclusive(x_352);
+if (x_354 == 0)
+{
+lean_object* x_355; lean_object* x_356; 
+x_355 = lean_ctor_get(x_352, 1);
+lean_inc(x_353);
+x_356 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_355, x_1, x_353);
+lean_ctor_set(x_352, 1, x_356);
+x_304 = x_353;
+x_305 = x_352;
+goto block_347;
+}
+else
+{
+lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; 
+x_357 = lean_ctor_get(x_352, 0);
+x_358 = lean_ctor_get(x_352, 1);
+lean_inc(x_358);
+lean_inc(x_357);
+lean_dec(x_352);
+lean_inc(x_353);
+x_359 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_358, x_1, x_353);
+x_360 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_360, 0, x_357);
+lean_ctor_set(x_360, 1, x_359);
+x_304 = x_353;
+x_305 = x_360;
+goto block_347;
+}
+}
+else
+{
+lean_object* x_361; 
+lean_dec(x_1);
+x_361 = lean_ctor_get(x_350, 0);
+lean_inc(x_361);
+lean_dec(x_350);
+x_304 = x_361;
+x_305 = x_3;
+goto block_347;
+}
+}
+block_347:
+{
+lean_object* x_306; 
+if (x_303 == 0)
+{
+lean_object* x_317; 
+x_317 = lean_box(0);
+x_306 = x_317;
+goto block_316;
+}
+else
+{
+uint8_t x_318; 
+x_318 = l_Lean_Expr_isLambda(x_304);
+if (x_318 == 0)
+{
+lean_object* x_319; 
+x_319 = lean_box(0);
+x_306 = x_319;
+goto block_316;
+}
+else
+{
+lean_object* x_320; uint8_t x_321; 
+x_320 = l_Lean_Expr_betaRev(x_304, x_2);
+lean_dec(x_304);
+x_321 = l_Lean_Expr_hasMVar(x_320);
+if (x_321 == 0)
+{
+lean_object* x_322; 
+x_322 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_322, 0, x_320);
+lean_ctor_set(x_322, 1, x_305);
+return x_322;
+}
+else
+{
+lean_object* x_323; lean_object* x_324; 
+x_323 = lean_ctor_get(x_305, 1);
+lean_inc(x_323);
+x_324 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_323, x_320);
+lean_dec(x_323);
+if (lean_obj_tag(x_324) == 0)
+{
+lean_object* x_325; uint8_t x_326; 
+lean_inc(x_320);
+x_325 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_320, x_305);
+x_326 = !lean_is_exclusive(x_325);
+if (x_326 == 0)
+{
+lean_object* x_327; uint8_t x_328; 
+x_327 = lean_ctor_get(x_325, 1);
+x_328 = !lean_is_exclusive(x_327);
+if (x_328 == 0)
+{
+lean_object* x_329; lean_object* x_330; lean_object* x_331; 
+x_329 = lean_ctor_get(x_325, 0);
+x_330 = lean_ctor_get(x_327, 1);
+lean_inc(x_329);
+x_331 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_330, x_320, x_329);
+lean_ctor_set(x_327, 1, x_331);
+return x_325;
+}
+else
+{
+lean_object* x_332; lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; 
+x_332 = lean_ctor_get(x_325, 0);
+x_333 = lean_ctor_get(x_327, 0);
+x_334 = lean_ctor_get(x_327, 1);
+lean_inc(x_334);
+lean_inc(x_333);
+lean_dec(x_327);
+lean_inc(x_332);
+x_335 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_334, x_320, x_332);
+x_336 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_336, 0, x_333);
+lean_ctor_set(x_336, 1, x_335);
+lean_ctor_set(x_325, 1, x_336);
+return x_325;
+}
+}
+else
+{
+lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; 
+x_337 = lean_ctor_get(x_325, 1);
+x_338 = lean_ctor_get(x_325, 0);
+lean_inc(x_337);
+lean_inc(x_338);
+lean_dec(x_325);
+x_339 = lean_ctor_get(x_337, 0);
+lean_inc(x_339);
+x_340 = lean_ctor_get(x_337, 1);
+lean_inc(x_340);
+if (lean_is_exclusive(x_337)) {
+ lean_ctor_release(x_337, 0);
+ lean_ctor_release(x_337, 1);
+ x_341 = x_337;
+} else {
+ lean_dec_ref(x_337);
+ x_341 = lean_box(0);
+}
+lean_inc(x_338);
+x_342 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_340, x_320, x_338);
+if (lean_is_scalar(x_341)) {
+ x_343 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_343 = x_341;
+}
+lean_ctor_set(x_343, 0, x_339);
+lean_ctor_set(x_343, 1, x_342);
+x_344 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_344, 0, x_338);
+lean_ctor_set(x_344, 1, x_343);
+return x_344;
+}
+}
+else
+{
+lean_object* x_345; lean_object* x_346; 
+lean_dec(x_320);
+x_345 = lean_ctor_get(x_324, 0);
+lean_inc(x_345);
+lean_dec(x_324);
+x_346 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_346, 0, x_345);
+lean_ctor_set(x_346, 1, x_305);
+return x_346;
+}
+}
+}
+}
+block_316:
+{
+lean_object* x_307; lean_object* x_308; uint8_t x_309; 
+lean_dec(x_306);
+x_307 = lean_unsigned_to_nat(0u);
+x_308 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_307, x_2, x_305);
+x_309 = !lean_is_exclusive(x_308);
+if (x_309 == 0)
+{
+lean_object* x_310; lean_object* x_311; 
+x_310 = lean_ctor_get(x_308, 0);
+x_311 = l_Lean_mkAppRev(x_304, x_310);
+lean_dec(x_310);
+lean_ctor_set(x_308, 0, x_311);
+return x_308;
+}
+else
+{
+lean_object* x_312; lean_object* x_313; lean_object* x_314; lean_object* x_315; 
+x_312 = lean_ctor_get(x_308, 0);
+x_313 = lean_ctor_get(x_308, 1);
+lean_inc(x_313);
+lean_inc(x_312);
+lean_dec(x_308);
+x_314 = l_Lean_mkAppRev(x_304, x_312);
+lean_dec(x_312);
+x_315 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_315, 0, x_314);
+lean_ctor_set(x_315, 1, x_313);
+return x_315;
+}
+}
+}
+}
+case 7:
+{
+uint8_t x_362; lean_object* x_363; lean_object* x_364; uint8_t x_407; 
+x_362 = l_Lean_Expr_isMVar(x_1);
+x_407 = l_Lean_Expr_hasMVar(x_1);
+if (x_407 == 0)
+{
+x_363 = x_1;
+x_364 = x_3;
+goto block_406;
+}
+else
+{
+lean_object* x_408; lean_object* x_409; 
+x_408 = lean_ctor_get(x_3, 1);
+lean_inc(x_408);
+x_409 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_408, x_1);
+lean_dec(x_408);
+if (lean_obj_tag(x_409) == 0)
+{
+lean_object* x_410; lean_object* x_411; lean_object* x_412; uint8_t x_413; 
+lean_inc(x_1);
+x_410 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_411 = lean_ctor_get(x_410, 1);
+lean_inc(x_411);
+x_412 = lean_ctor_get(x_410, 0);
+lean_inc(x_412);
+lean_dec(x_410);
+x_413 = !lean_is_exclusive(x_411);
+if (x_413 == 0)
+{
+lean_object* x_414; lean_object* x_415; 
+x_414 = lean_ctor_get(x_411, 1);
+lean_inc(x_412);
+x_415 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_414, x_1, x_412);
+lean_ctor_set(x_411, 1, x_415);
+x_363 = x_412;
+x_364 = x_411;
+goto block_406;
+}
+else
+{
+lean_object* x_416; lean_object* x_417; lean_object* x_418; lean_object* x_419; 
+x_416 = lean_ctor_get(x_411, 0);
+x_417 = lean_ctor_get(x_411, 1);
+lean_inc(x_417);
+lean_inc(x_416);
+lean_dec(x_411);
+lean_inc(x_412);
+x_418 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_417, x_1, x_412);
+x_419 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_419, 0, x_416);
+lean_ctor_set(x_419, 1, x_418);
+x_363 = x_412;
+x_364 = x_419;
+goto block_406;
+}
+}
+else
+{
+lean_object* x_420; 
+lean_dec(x_1);
+x_420 = lean_ctor_get(x_409, 0);
+lean_inc(x_420);
+lean_dec(x_409);
+x_363 = x_420;
+x_364 = x_3;
+goto block_406;
+}
+}
+block_406:
+{
+lean_object* x_365; 
+if (x_362 == 0)
+{
+lean_object* x_376; 
+x_376 = lean_box(0);
+x_365 = x_376;
+goto block_375;
+}
+else
+{
+uint8_t x_377; 
+x_377 = l_Lean_Expr_isLambda(x_363);
+if (x_377 == 0)
+{
+lean_object* x_378; 
+x_378 = lean_box(0);
+x_365 = x_378;
+goto block_375;
+}
+else
+{
+lean_object* x_379; uint8_t x_380; 
+x_379 = l_Lean_Expr_betaRev(x_363, x_2);
+lean_dec(x_363);
+x_380 = l_Lean_Expr_hasMVar(x_379);
+if (x_380 == 0)
+{
+lean_object* x_381; 
+x_381 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_381, 0, x_379);
+lean_ctor_set(x_381, 1, x_364);
+return x_381;
+}
+else
+{
+lean_object* x_382; lean_object* x_383; 
+x_382 = lean_ctor_get(x_364, 1);
+lean_inc(x_382);
+x_383 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_382, x_379);
+lean_dec(x_382);
+if (lean_obj_tag(x_383) == 0)
+{
+lean_object* x_384; uint8_t x_385; 
+lean_inc(x_379);
+x_384 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_379, x_364);
+x_385 = !lean_is_exclusive(x_384);
+if (x_385 == 0)
+{
+lean_object* x_386; uint8_t x_387; 
+x_386 = lean_ctor_get(x_384, 1);
+x_387 = !lean_is_exclusive(x_386);
+if (x_387 == 0)
+{
+lean_object* x_388; lean_object* x_389; lean_object* x_390; 
+x_388 = lean_ctor_get(x_384, 0);
+x_389 = lean_ctor_get(x_386, 1);
+lean_inc(x_388);
+x_390 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_389, x_379, x_388);
+lean_ctor_set(x_386, 1, x_390);
+return x_384;
+}
+else
+{
+lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; 
+x_391 = lean_ctor_get(x_384, 0);
+x_392 = lean_ctor_get(x_386, 0);
+x_393 = lean_ctor_get(x_386, 1);
+lean_inc(x_393);
+lean_inc(x_392);
+lean_dec(x_386);
+lean_inc(x_391);
+x_394 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_393, x_379, x_391);
+x_395 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_395, 0, x_392);
+lean_ctor_set(x_395, 1, x_394);
+lean_ctor_set(x_384, 1, x_395);
+return x_384;
+}
+}
+else
+{
+lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; lean_object* x_402; lean_object* x_403; 
+x_396 = lean_ctor_get(x_384, 1);
+x_397 = lean_ctor_get(x_384, 0);
+lean_inc(x_396);
+lean_inc(x_397);
+lean_dec(x_384);
+x_398 = lean_ctor_get(x_396, 0);
+lean_inc(x_398);
+x_399 = lean_ctor_get(x_396, 1);
+lean_inc(x_399);
+if (lean_is_exclusive(x_396)) {
+ lean_ctor_release(x_396, 0);
+ lean_ctor_release(x_396, 1);
+ x_400 = x_396;
+} else {
+ lean_dec_ref(x_396);
+ x_400 = lean_box(0);
+}
+lean_inc(x_397);
+x_401 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_399, x_379, x_397);
+if (lean_is_scalar(x_400)) {
+ x_402 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_402 = x_400;
+}
+lean_ctor_set(x_402, 0, x_398);
+lean_ctor_set(x_402, 1, x_401);
+x_403 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_403, 0, x_397);
+lean_ctor_set(x_403, 1, x_402);
+return x_403;
+}
+}
+else
+{
+lean_object* x_404; lean_object* x_405; 
+lean_dec(x_379);
+x_404 = lean_ctor_get(x_383, 0);
+lean_inc(x_404);
+lean_dec(x_383);
+x_405 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_405, 0, x_404);
+lean_ctor_set(x_405, 1, x_364);
+return x_405;
+}
+}
+}
+}
+block_375:
+{
+lean_object* x_366; lean_object* x_367; uint8_t x_368; 
+lean_dec(x_365);
+x_366 = lean_unsigned_to_nat(0u);
+x_367 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_366, x_2, x_364);
+x_368 = !lean_is_exclusive(x_367);
+if (x_368 == 0)
+{
+lean_object* x_369; lean_object* x_370; 
+x_369 = lean_ctor_get(x_367, 0);
+x_370 = l_Lean_mkAppRev(x_363, x_369);
+lean_dec(x_369);
+lean_ctor_set(x_367, 0, x_370);
+return x_367;
+}
+else
+{
+lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; 
+x_371 = lean_ctor_get(x_367, 0);
+x_372 = lean_ctor_get(x_367, 1);
+lean_inc(x_372);
+lean_inc(x_371);
+lean_dec(x_367);
+x_373 = l_Lean_mkAppRev(x_363, x_371);
+lean_dec(x_371);
+x_374 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_374, 0, x_373);
+lean_ctor_set(x_374, 1, x_372);
+return x_374;
+}
+}
+}
+}
+case 8:
+{
+uint8_t x_421; lean_object* x_422; lean_object* x_423; uint8_t x_466; 
+x_421 = l_Lean_Expr_isMVar(x_1);
+x_466 = l_Lean_Expr_hasMVar(x_1);
 if (x_466 == 0)
 {
-uint8_t x_467; 
-x_467 = lean_expr_has_level_mvar(x_1);
-if (x_467 == 0)
-{
-x_397 = x_1;
-x_398 = x_3;
+x_422 = x_1;
+x_423 = x_3;
 goto block_465;
 }
 else
 {
-lean_object* x_468; lean_object* x_469; 
-x_468 = lean_ctor_get(x_3, 1);
-lean_inc(x_468);
-x_469 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_468, x_1);
-lean_dec(x_468);
-if (lean_obj_tag(x_469) == 0)
+lean_object* x_467; lean_object* x_468; 
+x_467 = lean_ctor_get(x_3, 1);
+lean_inc(x_467);
+x_468 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_467, x_1);
+lean_dec(x_467);
+if (lean_obj_tag(x_468) == 0)
 {
-lean_object* x_470; lean_object* x_471; lean_object* x_472; uint8_t x_473; 
+lean_object* x_469; lean_object* x_470; lean_object* x_471; uint8_t x_472; 
 lean_inc(x_1);
-x_470 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_471 = lean_ctor_get(x_470, 1);
+x_469 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_470 = lean_ctor_get(x_469, 1);
+lean_inc(x_470);
+x_471 = lean_ctor_get(x_469, 0);
 lean_inc(x_471);
-x_472 = lean_ctor_get(x_470, 0);
-lean_inc(x_472);
-lean_dec(x_470);
-x_473 = !lean_is_exclusive(x_471);
-if (x_473 == 0)
-{
-lean_object* x_474; lean_object* x_475; 
-x_474 = lean_ctor_get(x_471, 1);
-lean_inc(x_472);
-x_475 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_474, x_1, x_472);
-lean_ctor_set(x_471, 1, x_475);
-x_397 = x_472;
-x_398 = x_471;
-goto block_465;
-}
-else
-{
-lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; 
-x_476 = lean_ctor_get(x_471, 0);
-x_477 = lean_ctor_get(x_471, 1);
-lean_inc(x_477);
-lean_inc(x_476);
-lean_dec(x_471);
-lean_inc(x_472);
-x_478 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_477, x_1, x_472);
-x_479 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_479, 0, x_476);
-lean_ctor_set(x_479, 1, x_478);
-x_397 = x_472;
-x_398 = x_479;
-goto block_465;
-}
-}
-else
-{
-lean_object* x_480; 
-lean_dec(x_1);
-x_480 = lean_ctor_get(x_469, 0);
-lean_inc(x_480);
 lean_dec(x_469);
-x_397 = x_480;
-x_398 = x_3;
-goto block_465;
-}
-}
-}
-else
+x_472 = !lean_is_exclusive(x_470);
+if (x_472 == 0)
 {
-lean_object* x_481; lean_object* x_482; 
-x_481 = lean_ctor_get(x_3, 1);
-lean_inc(x_481);
-x_482 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_481, x_1);
-lean_dec(x_481);
-if (lean_obj_tag(x_482) == 0)
-{
-lean_object* x_483; lean_object* x_484; lean_object* x_485; uint8_t x_486; 
-lean_inc(x_1);
-x_483 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_484 = lean_ctor_get(x_483, 1);
-lean_inc(x_484);
-x_485 = lean_ctor_get(x_483, 0);
-lean_inc(x_485);
-lean_dec(x_483);
-x_486 = !lean_is_exclusive(x_484);
-if (x_486 == 0)
-{
-lean_object* x_487; lean_object* x_488; 
-x_487 = lean_ctor_get(x_484, 1);
-lean_inc(x_485);
-x_488 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_487, x_1, x_485);
-lean_ctor_set(x_484, 1, x_488);
-x_397 = x_485;
-x_398 = x_484;
+lean_object* x_473; lean_object* x_474; 
+x_473 = lean_ctor_get(x_470, 1);
+lean_inc(x_471);
+x_474 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_473, x_1, x_471);
+lean_ctor_set(x_470, 1, x_474);
+x_422 = x_471;
+x_423 = x_470;
 goto block_465;
 }
 else
 {
-lean_object* x_489; lean_object* x_490; lean_object* x_491; lean_object* x_492; 
-x_489 = lean_ctor_get(x_484, 0);
-x_490 = lean_ctor_get(x_484, 1);
-lean_inc(x_490);
-lean_inc(x_489);
-lean_dec(x_484);
-lean_inc(x_485);
-x_491 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_490, x_1, x_485);
-x_492 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_492, 0, x_489);
-lean_ctor_set(x_492, 1, x_491);
-x_397 = x_485;
-x_398 = x_492;
+lean_object* x_475; lean_object* x_476; lean_object* x_477; lean_object* x_478; 
+x_475 = lean_ctor_get(x_470, 0);
+x_476 = lean_ctor_get(x_470, 1);
+lean_inc(x_476);
+lean_inc(x_475);
+lean_dec(x_470);
+lean_inc(x_471);
+x_477 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_476, x_1, x_471);
+x_478 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_478, 0, x_475);
+lean_ctor_set(x_478, 1, x_477);
+x_422 = x_471;
+x_423 = x_478;
 goto block_465;
 }
 }
 else
 {
-lean_object* x_493; 
+lean_object* x_479; 
 lean_dec(x_1);
-x_493 = lean_ctor_get(x_482, 0);
-lean_inc(x_493);
-lean_dec(x_482);
-x_397 = x_493;
-x_398 = x_3;
+x_479 = lean_ctor_get(x_468, 0);
+lean_inc(x_479);
+lean_dec(x_468);
+x_422 = x_479;
+x_423 = x_3;
 goto block_465;
 }
 }
 block_465:
 {
-lean_object* x_399; 
-if (x_396 == 0)
+lean_object* x_424; 
+if (x_421 == 0)
 {
-lean_object* x_410; 
-x_410 = lean_box(0);
-x_399 = x_410;
-goto block_409;
+lean_object* x_435; 
+x_435 = lean_box(0);
+x_424 = x_435;
+goto block_434;
 }
 else
 {
-uint8_t x_411; 
-x_411 = l_Lean_Expr_isLambda(x_397);
-if (x_411 == 0)
+uint8_t x_436; 
+x_436 = l_Lean_Expr_isLambda(x_422);
+if (x_436 == 0)
 {
-lean_object* x_412; 
-x_412 = lean_box(0);
-x_399 = x_412;
-goto block_409;
+lean_object* x_437; 
+x_437 = lean_box(0);
+x_424 = x_437;
+goto block_434;
 }
 else
 {
-lean_object* x_413; uint8_t x_414; 
-x_413 = l_Lean_Expr_betaRev(x_397, x_2);
-lean_dec(x_397);
-x_414 = lean_expr_has_expr_mvar(x_413);
-if (x_414 == 0)
+lean_object* x_438; uint8_t x_439; 
+x_438 = l_Lean_Expr_betaRev(x_422, x_2);
+lean_dec(x_422);
+x_439 = l_Lean_Expr_hasMVar(x_438);
+if (x_439 == 0)
 {
-uint8_t x_415; 
-x_415 = lean_expr_has_level_mvar(x_413);
-if (x_415 == 0)
-{
-lean_object* x_416; 
-x_416 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_416, 0, x_413);
-lean_ctor_set(x_416, 1, x_398);
-return x_416;
-}
-else
-{
-lean_object* x_417; lean_object* x_418; 
-x_417 = lean_ctor_get(x_398, 1);
-lean_inc(x_417);
-x_418 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_417, x_413);
-lean_dec(x_417);
-if (lean_obj_tag(x_418) == 0)
-{
-lean_object* x_419; uint8_t x_420; 
-lean_inc(x_413);
-x_419 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_413, x_398);
-x_420 = !lean_is_exclusive(x_419);
-if (x_420 == 0)
-{
-lean_object* x_421; uint8_t x_422; 
-x_421 = lean_ctor_get(x_419, 1);
-x_422 = !lean_is_exclusive(x_421);
-if (x_422 == 0)
-{
-lean_object* x_423; lean_object* x_424; lean_object* x_425; 
-x_423 = lean_ctor_get(x_419, 0);
-x_424 = lean_ctor_get(x_421, 1);
-lean_inc(x_423);
-x_425 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_424, x_413, x_423);
-lean_ctor_set(x_421, 1, x_425);
-return x_419;
-}
-else
-{
-lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; lean_object* x_430; 
-x_426 = lean_ctor_get(x_419, 0);
-x_427 = lean_ctor_get(x_421, 0);
-x_428 = lean_ctor_get(x_421, 1);
-lean_inc(x_428);
-lean_inc(x_427);
-lean_dec(x_421);
-lean_inc(x_426);
-x_429 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_428, x_413, x_426);
-x_430 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_430, 0, x_427);
-lean_ctor_set(x_430, 1, x_429);
-lean_ctor_set(x_419, 1, x_430);
-return x_419;
-}
-}
-else
-{
-lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; 
-x_431 = lean_ctor_get(x_419, 1);
-x_432 = lean_ctor_get(x_419, 0);
-lean_inc(x_431);
-lean_inc(x_432);
-lean_dec(x_419);
-x_433 = lean_ctor_get(x_431, 0);
-lean_inc(x_433);
-x_434 = lean_ctor_get(x_431, 1);
-lean_inc(x_434);
-if (lean_is_exclusive(x_431)) {
- lean_ctor_release(x_431, 0);
- lean_ctor_release(x_431, 1);
- x_435 = x_431;
-} else {
- lean_dec_ref(x_431);
- x_435 = lean_box(0);
-}
-lean_inc(x_432);
-x_436 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_434, x_413, x_432);
-if (lean_is_scalar(x_435)) {
- x_437 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_437 = x_435;
-}
-lean_ctor_set(x_437, 0, x_433);
-lean_ctor_set(x_437, 1, x_436);
-x_438 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_438, 0, x_432);
-lean_ctor_set(x_438, 1, x_437);
-return x_438;
-}
-}
-else
-{
-lean_object* x_439; lean_object* x_440; 
-lean_dec(x_413);
-x_439 = lean_ctor_get(x_418, 0);
-lean_inc(x_439);
-lean_dec(x_418);
+lean_object* x_440; 
 x_440 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_440, 0, x_439);
-lean_ctor_set(x_440, 1, x_398);
+lean_ctor_set(x_440, 0, x_438);
+lean_ctor_set(x_440, 1, x_423);
 return x_440;
 }
-}
-}
 else
 {
 lean_object* x_441; lean_object* x_442; 
-x_441 = lean_ctor_get(x_398, 1);
+x_441 = lean_ctor_get(x_423, 1);
 lean_inc(x_441);
-x_442 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_441, x_413);
+x_442 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_441, x_438);
 lean_dec(x_441);
 if (lean_obj_tag(x_442) == 0)
 {
 lean_object* x_443; uint8_t x_444; 
-lean_inc(x_413);
-x_443 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_413, x_398);
+lean_inc(x_438);
+x_443 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_438, x_423);
 x_444 = !lean_is_exclusive(x_443);
 if (x_444 == 0)
 {
@@ -11375,7 +10635,7 @@ lean_object* x_447; lean_object* x_448; lean_object* x_449;
 x_447 = lean_ctor_get(x_443, 0);
 x_448 = lean_ctor_get(x_445, 1);
 lean_inc(x_447);
-x_449 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_448, x_413, x_447);
+x_449 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_448, x_438, x_447);
 lean_ctor_set(x_445, 1, x_449);
 return x_443;
 }
@@ -11389,7 +10649,7 @@ lean_inc(x_452);
 lean_inc(x_451);
 lean_dec(x_445);
 lean_inc(x_450);
-x_453 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_452, x_413, x_450);
+x_453 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_452, x_438, x_450);
 x_454 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_454, 0, x_451);
 lean_ctor_set(x_454, 1, x_453);
@@ -11418,7 +10678,7 @@ if (lean_is_exclusive(x_455)) {
  x_459 = lean_box(0);
 }
 lean_inc(x_456);
-x_460 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_458, x_413, x_456);
+x_460 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_458, x_438, x_456);
 if (lean_is_scalar(x_459)) {
  x_461 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -11435,2449 +10695,988 @@ return x_462;
 else
 {
 lean_object* x_463; lean_object* x_464; 
-lean_dec(x_413);
+lean_dec(x_438);
 x_463 = lean_ctor_get(x_442, 0);
 lean_inc(x_463);
 lean_dec(x_442);
 x_464 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_464, 0, x_463);
-lean_ctor_set(x_464, 1, x_398);
+lean_ctor_set(x_464, 1, x_423);
 return x_464;
 }
 }
 }
 }
-block_409:
+block_434:
 {
-lean_object* x_400; lean_object* x_401; uint8_t x_402; 
-lean_dec(x_399);
-x_400 = lean_unsigned_to_nat(0u);
-x_401 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_400, x_2, x_398);
-x_402 = !lean_is_exclusive(x_401);
-if (x_402 == 0)
+lean_object* x_425; lean_object* x_426; uint8_t x_427; 
+lean_dec(x_424);
+x_425 = lean_unsigned_to_nat(0u);
+x_426 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_425, x_2, x_423);
+x_427 = !lean_is_exclusive(x_426);
+if (x_427 == 0)
 {
-lean_object* x_403; lean_object* x_404; 
-x_403 = lean_ctor_get(x_401, 0);
-x_404 = l_Lean_mkAppRev(x_397, x_403);
-lean_dec(x_403);
-lean_ctor_set(x_401, 0, x_404);
-return x_401;
+lean_object* x_428; lean_object* x_429; 
+x_428 = lean_ctor_get(x_426, 0);
+x_429 = l_Lean_mkAppRev(x_422, x_428);
+lean_dec(x_428);
+lean_ctor_set(x_426, 0, x_429);
+return x_426;
 }
 else
 {
-lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; 
-x_405 = lean_ctor_get(x_401, 0);
-x_406 = lean_ctor_get(x_401, 1);
-lean_inc(x_406);
-lean_inc(x_405);
-lean_dec(x_401);
-x_407 = l_Lean_mkAppRev(x_397, x_405);
-lean_dec(x_405);
-x_408 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_408, 0, x_407);
-lean_ctor_set(x_408, 1, x_406);
-return x_408;
-}
-}
-}
-}
-case 5:
-{
-lean_object* x_494; lean_object* x_495; lean_object* x_496; 
-x_494 = lean_ctor_get(x_1, 0);
-lean_inc(x_494);
-x_495 = lean_ctor_get(x_1, 1);
-lean_inc(x_495);
-lean_dec(x_1);
-x_496 = lean_array_push(x_2, x_495);
-x_1 = x_494;
-x_2 = x_496;
-goto _start;
-}
-case 6:
-{
-uint8_t x_498; lean_object* x_499; lean_object* x_500; uint8_t x_568; 
-x_498 = l_Lean_Expr_isMVar(x_1);
-x_568 = lean_expr_has_expr_mvar(x_1);
-if (x_568 == 0)
-{
-uint8_t x_569; 
-x_569 = lean_expr_has_level_mvar(x_1);
-if (x_569 == 0)
-{
-x_499 = x_1;
-x_500 = x_3;
-goto block_567;
-}
-else
-{
-lean_object* x_570; lean_object* x_571; 
-x_570 = lean_ctor_get(x_3, 1);
-lean_inc(x_570);
-x_571 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_570, x_1);
-lean_dec(x_570);
-if (lean_obj_tag(x_571) == 0)
-{
-lean_object* x_572; lean_object* x_573; lean_object* x_574; uint8_t x_575; 
-lean_inc(x_1);
-x_572 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_573 = lean_ctor_get(x_572, 1);
-lean_inc(x_573);
-x_574 = lean_ctor_get(x_572, 0);
-lean_inc(x_574);
-lean_dec(x_572);
-x_575 = !lean_is_exclusive(x_573);
-if (x_575 == 0)
-{
-lean_object* x_576; lean_object* x_577; 
-x_576 = lean_ctor_get(x_573, 1);
-lean_inc(x_574);
-x_577 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_576, x_1, x_574);
-lean_ctor_set(x_573, 1, x_577);
-x_499 = x_574;
-x_500 = x_573;
-goto block_567;
-}
-else
-{
-lean_object* x_578; lean_object* x_579; lean_object* x_580; lean_object* x_581; 
-x_578 = lean_ctor_get(x_573, 0);
-x_579 = lean_ctor_get(x_573, 1);
-lean_inc(x_579);
-lean_inc(x_578);
-lean_dec(x_573);
-lean_inc(x_574);
-x_580 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_579, x_1, x_574);
-x_581 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_581, 0, x_578);
-lean_ctor_set(x_581, 1, x_580);
-x_499 = x_574;
-x_500 = x_581;
-goto block_567;
-}
-}
-else
-{
-lean_object* x_582; 
-lean_dec(x_1);
-x_582 = lean_ctor_get(x_571, 0);
-lean_inc(x_582);
-lean_dec(x_571);
-x_499 = x_582;
-x_500 = x_3;
-goto block_567;
-}
-}
-}
-else
-{
-lean_object* x_583; lean_object* x_584; 
-x_583 = lean_ctor_get(x_3, 1);
-lean_inc(x_583);
-x_584 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_583, x_1);
-lean_dec(x_583);
-if (lean_obj_tag(x_584) == 0)
-{
-lean_object* x_585; lean_object* x_586; lean_object* x_587; uint8_t x_588; 
-lean_inc(x_1);
-x_585 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_586 = lean_ctor_get(x_585, 1);
-lean_inc(x_586);
-x_587 = lean_ctor_get(x_585, 0);
-lean_inc(x_587);
-lean_dec(x_585);
-x_588 = !lean_is_exclusive(x_586);
-if (x_588 == 0)
-{
-lean_object* x_589; lean_object* x_590; 
-x_589 = lean_ctor_get(x_586, 1);
-lean_inc(x_587);
-x_590 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_589, x_1, x_587);
-lean_ctor_set(x_586, 1, x_590);
-x_499 = x_587;
-x_500 = x_586;
-goto block_567;
-}
-else
-{
-lean_object* x_591; lean_object* x_592; lean_object* x_593; lean_object* x_594; 
-x_591 = lean_ctor_get(x_586, 0);
-x_592 = lean_ctor_get(x_586, 1);
-lean_inc(x_592);
-lean_inc(x_591);
-lean_dec(x_586);
-lean_inc(x_587);
-x_593 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_592, x_1, x_587);
-x_594 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_594, 0, x_591);
-lean_ctor_set(x_594, 1, x_593);
-x_499 = x_587;
-x_500 = x_594;
-goto block_567;
-}
-}
-else
-{
-lean_object* x_595; 
-lean_dec(x_1);
-x_595 = lean_ctor_get(x_584, 0);
-lean_inc(x_595);
-lean_dec(x_584);
-x_499 = x_595;
-x_500 = x_3;
-goto block_567;
-}
-}
-block_567:
-{
-lean_object* x_501; 
-if (x_498 == 0)
-{
-lean_object* x_512; 
-x_512 = lean_box(0);
-x_501 = x_512;
-goto block_511;
-}
-else
-{
-uint8_t x_513; 
-x_513 = l_Lean_Expr_isLambda(x_499);
-if (x_513 == 0)
-{
-lean_object* x_514; 
-x_514 = lean_box(0);
-x_501 = x_514;
-goto block_511;
-}
-else
-{
-lean_object* x_515; uint8_t x_516; 
-x_515 = l_Lean_Expr_betaRev(x_499, x_2);
-lean_dec(x_499);
-x_516 = lean_expr_has_expr_mvar(x_515);
-if (x_516 == 0)
-{
-uint8_t x_517; 
-x_517 = lean_expr_has_level_mvar(x_515);
-if (x_517 == 0)
-{
-lean_object* x_518; 
-x_518 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_518, 0, x_515);
-lean_ctor_set(x_518, 1, x_500);
-return x_518;
-}
-else
-{
-lean_object* x_519; lean_object* x_520; 
-x_519 = lean_ctor_get(x_500, 1);
-lean_inc(x_519);
-x_520 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_519, x_515);
-lean_dec(x_519);
-if (lean_obj_tag(x_520) == 0)
-{
-lean_object* x_521; uint8_t x_522; 
-lean_inc(x_515);
-x_521 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_515, x_500);
-x_522 = !lean_is_exclusive(x_521);
-if (x_522 == 0)
-{
-lean_object* x_523; uint8_t x_524; 
-x_523 = lean_ctor_get(x_521, 1);
-x_524 = !lean_is_exclusive(x_523);
-if (x_524 == 0)
-{
-lean_object* x_525; lean_object* x_526; lean_object* x_527; 
-x_525 = lean_ctor_get(x_521, 0);
-x_526 = lean_ctor_get(x_523, 1);
-lean_inc(x_525);
-x_527 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_526, x_515, x_525);
-lean_ctor_set(x_523, 1, x_527);
-return x_521;
-}
-else
-{
-lean_object* x_528; lean_object* x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; 
-x_528 = lean_ctor_get(x_521, 0);
-x_529 = lean_ctor_get(x_523, 0);
-x_530 = lean_ctor_get(x_523, 1);
-lean_inc(x_530);
-lean_inc(x_529);
-lean_dec(x_523);
-lean_inc(x_528);
-x_531 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_530, x_515, x_528);
-x_532 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_532, 0, x_529);
-lean_ctor_set(x_532, 1, x_531);
-lean_ctor_set(x_521, 1, x_532);
-return x_521;
-}
-}
-else
-{
-lean_object* x_533; lean_object* x_534; lean_object* x_535; lean_object* x_536; lean_object* x_537; lean_object* x_538; lean_object* x_539; lean_object* x_540; 
-x_533 = lean_ctor_get(x_521, 1);
-x_534 = lean_ctor_get(x_521, 0);
-lean_inc(x_533);
-lean_inc(x_534);
-lean_dec(x_521);
-x_535 = lean_ctor_get(x_533, 0);
-lean_inc(x_535);
-x_536 = lean_ctor_get(x_533, 1);
-lean_inc(x_536);
-if (lean_is_exclusive(x_533)) {
- lean_ctor_release(x_533, 0);
- lean_ctor_release(x_533, 1);
- x_537 = x_533;
-} else {
- lean_dec_ref(x_533);
- x_537 = lean_box(0);
-}
-lean_inc(x_534);
-x_538 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_536, x_515, x_534);
-if (lean_is_scalar(x_537)) {
- x_539 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_539 = x_537;
-}
-lean_ctor_set(x_539, 0, x_535);
-lean_ctor_set(x_539, 1, x_538);
-x_540 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_540, 0, x_534);
-lean_ctor_set(x_540, 1, x_539);
-return x_540;
-}
-}
-else
-{
-lean_object* x_541; lean_object* x_542; 
-lean_dec(x_515);
-x_541 = lean_ctor_get(x_520, 0);
-lean_inc(x_541);
-lean_dec(x_520);
-x_542 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_542, 0, x_541);
-lean_ctor_set(x_542, 1, x_500);
-return x_542;
-}
-}
-}
-else
-{
-lean_object* x_543; lean_object* x_544; 
-x_543 = lean_ctor_get(x_500, 1);
-lean_inc(x_543);
-x_544 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_543, x_515);
-lean_dec(x_543);
-if (lean_obj_tag(x_544) == 0)
-{
-lean_object* x_545; uint8_t x_546; 
-lean_inc(x_515);
-x_545 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_515, x_500);
-x_546 = !lean_is_exclusive(x_545);
-if (x_546 == 0)
-{
-lean_object* x_547; uint8_t x_548; 
-x_547 = lean_ctor_get(x_545, 1);
-x_548 = !lean_is_exclusive(x_547);
-if (x_548 == 0)
-{
-lean_object* x_549; lean_object* x_550; lean_object* x_551; 
-x_549 = lean_ctor_get(x_545, 0);
-x_550 = lean_ctor_get(x_547, 1);
-lean_inc(x_549);
-x_551 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_550, x_515, x_549);
-lean_ctor_set(x_547, 1, x_551);
-return x_545;
-}
-else
-{
-lean_object* x_552; lean_object* x_553; lean_object* x_554; lean_object* x_555; lean_object* x_556; 
-x_552 = lean_ctor_get(x_545, 0);
-x_553 = lean_ctor_get(x_547, 0);
-x_554 = lean_ctor_get(x_547, 1);
-lean_inc(x_554);
-lean_inc(x_553);
-lean_dec(x_547);
-lean_inc(x_552);
-x_555 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_554, x_515, x_552);
-x_556 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_556, 0, x_553);
-lean_ctor_set(x_556, 1, x_555);
-lean_ctor_set(x_545, 1, x_556);
-return x_545;
-}
-}
-else
-{
-lean_object* x_557; lean_object* x_558; lean_object* x_559; lean_object* x_560; lean_object* x_561; lean_object* x_562; lean_object* x_563; lean_object* x_564; 
-x_557 = lean_ctor_get(x_545, 1);
-x_558 = lean_ctor_get(x_545, 0);
-lean_inc(x_557);
-lean_inc(x_558);
-lean_dec(x_545);
-x_559 = lean_ctor_get(x_557, 0);
-lean_inc(x_559);
-x_560 = lean_ctor_get(x_557, 1);
-lean_inc(x_560);
-if (lean_is_exclusive(x_557)) {
- lean_ctor_release(x_557, 0);
- lean_ctor_release(x_557, 1);
- x_561 = x_557;
-} else {
- lean_dec_ref(x_557);
- x_561 = lean_box(0);
-}
-lean_inc(x_558);
-x_562 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_560, x_515, x_558);
-if (lean_is_scalar(x_561)) {
- x_563 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_563 = x_561;
-}
-lean_ctor_set(x_563, 0, x_559);
-lean_ctor_set(x_563, 1, x_562);
-x_564 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_564, 0, x_558);
-lean_ctor_set(x_564, 1, x_563);
-return x_564;
-}
-}
-else
-{
-lean_object* x_565; lean_object* x_566; 
-lean_dec(x_515);
-x_565 = lean_ctor_get(x_544, 0);
-lean_inc(x_565);
-lean_dec(x_544);
-x_566 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_566, 0, x_565);
-lean_ctor_set(x_566, 1, x_500);
-return x_566;
-}
-}
-}
-}
-block_511:
-{
-lean_object* x_502; lean_object* x_503; uint8_t x_504; 
-lean_dec(x_501);
-x_502 = lean_unsigned_to_nat(0u);
-x_503 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_502, x_2, x_500);
-x_504 = !lean_is_exclusive(x_503);
-if (x_504 == 0)
-{
-lean_object* x_505; lean_object* x_506; 
-x_505 = lean_ctor_get(x_503, 0);
-x_506 = l_Lean_mkAppRev(x_499, x_505);
-lean_dec(x_505);
-lean_ctor_set(x_503, 0, x_506);
-return x_503;
-}
-else
-{
-lean_object* x_507; lean_object* x_508; lean_object* x_509; lean_object* x_510; 
-x_507 = lean_ctor_get(x_503, 0);
-x_508 = lean_ctor_get(x_503, 1);
-lean_inc(x_508);
-lean_inc(x_507);
-lean_dec(x_503);
-x_509 = l_Lean_mkAppRev(x_499, x_507);
-lean_dec(x_507);
-x_510 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_510, 0, x_509);
-lean_ctor_set(x_510, 1, x_508);
-return x_510;
-}
-}
-}
-}
-case 7:
-{
-uint8_t x_596; lean_object* x_597; lean_object* x_598; uint8_t x_666; 
-x_596 = l_Lean_Expr_isMVar(x_1);
-x_666 = lean_expr_has_expr_mvar(x_1);
-if (x_666 == 0)
-{
-uint8_t x_667; 
-x_667 = lean_expr_has_level_mvar(x_1);
-if (x_667 == 0)
-{
-x_597 = x_1;
-x_598 = x_3;
-goto block_665;
-}
-else
-{
-lean_object* x_668; lean_object* x_669; 
-x_668 = lean_ctor_get(x_3, 1);
-lean_inc(x_668);
-x_669 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_668, x_1);
-lean_dec(x_668);
-if (lean_obj_tag(x_669) == 0)
-{
-lean_object* x_670; lean_object* x_671; lean_object* x_672; uint8_t x_673; 
-lean_inc(x_1);
-x_670 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_671 = lean_ctor_get(x_670, 1);
-lean_inc(x_671);
-x_672 = lean_ctor_get(x_670, 0);
-lean_inc(x_672);
-lean_dec(x_670);
-x_673 = !lean_is_exclusive(x_671);
-if (x_673 == 0)
-{
-lean_object* x_674; lean_object* x_675; 
-x_674 = lean_ctor_get(x_671, 1);
-lean_inc(x_672);
-x_675 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_674, x_1, x_672);
-lean_ctor_set(x_671, 1, x_675);
-x_597 = x_672;
-x_598 = x_671;
-goto block_665;
-}
-else
-{
-lean_object* x_676; lean_object* x_677; lean_object* x_678; lean_object* x_679; 
-x_676 = lean_ctor_get(x_671, 0);
-x_677 = lean_ctor_get(x_671, 1);
-lean_inc(x_677);
-lean_inc(x_676);
-lean_dec(x_671);
-lean_inc(x_672);
-x_678 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_677, x_1, x_672);
-x_679 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_679, 0, x_676);
-lean_ctor_set(x_679, 1, x_678);
-x_597 = x_672;
-x_598 = x_679;
-goto block_665;
-}
-}
-else
-{
-lean_object* x_680; 
-lean_dec(x_1);
-x_680 = lean_ctor_get(x_669, 0);
-lean_inc(x_680);
-lean_dec(x_669);
-x_597 = x_680;
-x_598 = x_3;
-goto block_665;
-}
-}
-}
-else
-{
-lean_object* x_681; lean_object* x_682; 
-x_681 = lean_ctor_get(x_3, 1);
-lean_inc(x_681);
-x_682 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_681, x_1);
-lean_dec(x_681);
-if (lean_obj_tag(x_682) == 0)
-{
-lean_object* x_683; lean_object* x_684; lean_object* x_685; uint8_t x_686; 
-lean_inc(x_1);
-x_683 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_684 = lean_ctor_get(x_683, 1);
-lean_inc(x_684);
-x_685 = lean_ctor_get(x_683, 0);
-lean_inc(x_685);
-lean_dec(x_683);
-x_686 = !lean_is_exclusive(x_684);
-if (x_686 == 0)
-{
-lean_object* x_687; lean_object* x_688; 
-x_687 = lean_ctor_get(x_684, 1);
-lean_inc(x_685);
-x_688 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_687, x_1, x_685);
-lean_ctor_set(x_684, 1, x_688);
-x_597 = x_685;
-x_598 = x_684;
-goto block_665;
-}
-else
-{
-lean_object* x_689; lean_object* x_690; lean_object* x_691; lean_object* x_692; 
-x_689 = lean_ctor_get(x_684, 0);
-x_690 = lean_ctor_get(x_684, 1);
-lean_inc(x_690);
-lean_inc(x_689);
-lean_dec(x_684);
-lean_inc(x_685);
-x_691 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_690, x_1, x_685);
-x_692 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_692, 0, x_689);
-lean_ctor_set(x_692, 1, x_691);
-x_597 = x_685;
-x_598 = x_692;
-goto block_665;
-}
-}
-else
-{
-lean_object* x_693; 
-lean_dec(x_1);
-x_693 = lean_ctor_get(x_682, 0);
-lean_inc(x_693);
-lean_dec(x_682);
-x_597 = x_693;
-x_598 = x_3;
-goto block_665;
-}
-}
-block_665:
-{
-lean_object* x_599; 
-if (x_596 == 0)
-{
-lean_object* x_610; 
-x_610 = lean_box(0);
-x_599 = x_610;
-goto block_609;
-}
-else
-{
-uint8_t x_611; 
-x_611 = l_Lean_Expr_isLambda(x_597);
-if (x_611 == 0)
-{
-lean_object* x_612; 
-x_612 = lean_box(0);
-x_599 = x_612;
-goto block_609;
-}
-else
-{
-lean_object* x_613; uint8_t x_614; 
-x_613 = l_Lean_Expr_betaRev(x_597, x_2);
-lean_dec(x_597);
-x_614 = lean_expr_has_expr_mvar(x_613);
-if (x_614 == 0)
-{
-uint8_t x_615; 
-x_615 = lean_expr_has_level_mvar(x_613);
-if (x_615 == 0)
-{
-lean_object* x_616; 
-x_616 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_616, 0, x_613);
-lean_ctor_set(x_616, 1, x_598);
-return x_616;
-}
-else
-{
-lean_object* x_617; lean_object* x_618; 
-x_617 = lean_ctor_get(x_598, 1);
-lean_inc(x_617);
-x_618 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_617, x_613);
-lean_dec(x_617);
-if (lean_obj_tag(x_618) == 0)
-{
-lean_object* x_619; uint8_t x_620; 
-lean_inc(x_613);
-x_619 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_613, x_598);
-x_620 = !lean_is_exclusive(x_619);
-if (x_620 == 0)
-{
-lean_object* x_621; uint8_t x_622; 
-x_621 = lean_ctor_get(x_619, 1);
-x_622 = !lean_is_exclusive(x_621);
-if (x_622 == 0)
-{
-lean_object* x_623; lean_object* x_624; lean_object* x_625; 
-x_623 = lean_ctor_get(x_619, 0);
-x_624 = lean_ctor_get(x_621, 1);
-lean_inc(x_623);
-x_625 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_624, x_613, x_623);
-lean_ctor_set(x_621, 1, x_625);
-return x_619;
-}
-else
-{
-lean_object* x_626; lean_object* x_627; lean_object* x_628; lean_object* x_629; lean_object* x_630; 
-x_626 = lean_ctor_get(x_619, 0);
-x_627 = lean_ctor_get(x_621, 0);
-x_628 = lean_ctor_get(x_621, 1);
-lean_inc(x_628);
-lean_inc(x_627);
-lean_dec(x_621);
-lean_inc(x_626);
-x_629 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_628, x_613, x_626);
-x_630 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_630, 0, x_627);
-lean_ctor_set(x_630, 1, x_629);
-lean_ctor_set(x_619, 1, x_630);
-return x_619;
-}
-}
-else
-{
-lean_object* x_631; lean_object* x_632; lean_object* x_633; lean_object* x_634; lean_object* x_635; lean_object* x_636; lean_object* x_637; lean_object* x_638; 
-x_631 = lean_ctor_get(x_619, 1);
-x_632 = lean_ctor_get(x_619, 0);
-lean_inc(x_631);
-lean_inc(x_632);
-lean_dec(x_619);
-x_633 = lean_ctor_get(x_631, 0);
-lean_inc(x_633);
-x_634 = lean_ctor_get(x_631, 1);
-lean_inc(x_634);
-if (lean_is_exclusive(x_631)) {
- lean_ctor_release(x_631, 0);
- lean_ctor_release(x_631, 1);
- x_635 = x_631;
-} else {
- lean_dec_ref(x_631);
- x_635 = lean_box(0);
-}
-lean_inc(x_632);
-x_636 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_634, x_613, x_632);
-if (lean_is_scalar(x_635)) {
- x_637 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_637 = x_635;
-}
-lean_ctor_set(x_637, 0, x_633);
-lean_ctor_set(x_637, 1, x_636);
-x_638 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_638, 0, x_632);
-lean_ctor_set(x_638, 1, x_637);
-return x_638;
-}
-}
-else
-{
-lean_object* x_639; lean_object* x_640; 
-lean_dec(x_613);
-x_639 = lean_ctor_get(x_618, 0);
-lean_inc(x_639);
-lean_dec(x_618);
-x_640 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_640, 0, x_639);
-lean_ctor_set(x_640, 1, x_598);
-return x_640;
-}
-}
-}
-else
-{
-lean_object* x_641; lean_object* x_642; 
-x_641 = lean_ctor_get(x_598, 1);
-lean_inc(x_641);
-x_642 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_641, x_613);
-lean_dec(x_641);
-if (lean_obj_tag(x_642) == 0)
-{
-lean_object* x_643; uint8_t x_644; 
-lean_inc(x_613);
-x_643 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_613, x_598);
-x_644 = !lean_is_exclusive(x_643);
-if (x_644 == 0)
-{
-lean_object* x_645; uint8_t x_646; 
-x_645 = lean_ctor_get(x_643, 1);
-x_646 = !lean_is_exclusive(x_645);
-if (x_646 == 0)
-{
-lean_object* x_647; lean_object* x_648; lean_object* x_649; 
-x_647 = lean_ctor_get(x_643, 0);
-x_648 = lean_ctor_get(x_645, 1);
-lean_inc(x_647);
-x_649 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_648, x_613, x_647);
-lean_ctor_set(x_645, 1, x_649);
-return x_643;
-}
-else
-{
-lean_object* x_650; lean_object* x_651; lean_object* x_652; lean_object* x_653; lean_object* x_654; 
-x_650 = lean_ctor_get(x_643, 0);
-x_651 = lean_ctor_get(x_645, 0);
-x_652 = lean_ctor_get(x_645, 1);
-lean_inc(x_652);
-lean_inc(x_651);
-lean_dec(x_645);
-lean_inc(x_650);
-x_653 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_652, x_613, x_650);
-x_654 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_654, 0, x_651);
-lean_ctor_set(x_654, 1, x_653);
-lean_ctor_set(x_643, 1, x_654);
-return x_643;
-}
-}
-else
-{
-lean_object* x_655; lean_object* x_656; lean_object* x_657; lean_object* x_658; lean_object* x_659; lean_object* x_660; lean_object* x_661; lean_object* x_662; 
-x_655 = lean_ctor_get(x_643, 1);
-x_656 = lean_ctor_get(x_643, 0);
-lean_inc(x_655);
-lean_inc(x_656);
-lean_dec(x_643);
-x_657 = lean_ctor_get(x_655, 0);
-lean_inc(x_657);
-x_658 = lean_ctor_get(x_655, 1);
-lean_inc(x_658);
-if (lean_is_exclusive(x_655)) {
- lean_ctor_release(x_655, 0);
- lean_ctor_release(x_655, 1);
- x_659 = x_655;
-} else {
- lean_dec_ref(x_655);
- x_659 = lean_box(0);
-}
-lean_inc(x_656);
-x_660 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_658, x_613, x_656);
-if (lean_is_scalar(x_659)) {
- x_661 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_661 = x_659;
-}
-lean_ctor_set(x_661, 0, x_657);
-lean_ctor_set(x_661, 1, x_660);
-x_662 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_662, 0, x_656);
-lean_ctor_set(x_662, 1, x_661);
-return x_662;
-}
-}
-else
-{
-lean_object* x_663; lean_object* x_664; 
-lean_dec(x_613);
-x_663 = lean_ctor_get(x_642, 0);
-lean_inc(x_663);
-lean_dec(x_642);
-x_664 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_664, 0, x_663);
-lean_ctor_set(x_664, 1, x_598);
-return x_664;
-}
-}
-}
-}
-block_609:
-{
-lean_object* x_600; lean_object* x_601; uint8_t x_602; 
-lean_dec(x_599);
-x_600 = lean_unsigned_to_nat(0u);
-x_601 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_600, x_2, x_598);
-x_602 = !lean_is_exclusive(x_601);
-if (x_602 == 0)
-{
-lean_object* x_603; lean_object* x_604; 
-x_603 = lean_ctor_get(x_601, 0);
-x_604 = l_Lean_mkAppRev(x_597, x_603);
-lean_dec(x_603);
-lean_ctor_set(x_601, 0, x_604);
-return x_601;
-}
-else
-{
-lean_object* x_605; lean_object* x_606; lean_object* x_607; lean_object* x_608; 
-x_605 = lean_ctor_get(x_601, 0);
-x_606 = lean_ctor_get(x_601, 1);
-lean_inc(x_606);
-lean_inc(x_605);
-lean_dec(x_601);
-x_607 = l_Lean_mkAppRev(x_597, x_605);
-lean_dec(x_605);
-x_608 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_608, 0, x_607);
-lean_ctor_set(x_608, 1, x_606);
-return x_608;
-}
-}
-}
-}
-case 8:
-{
-uint8_t x_694; lean_object* x_695; lean_object* x_696; uint8_t x_764; 
-x_694 = l_Lean_Expr_isMVar(x_1);
-x_764 = lean_expr_has_expr_mvar(x_1);
-if (x_764 == 0)
-{
-uint8_t x_765; 
-x_765 = lean_expr_has_level_mvar(x_1);
-if (x_765 == 0)
-{
-x_695 = x_1;
-x_696 = x_3;
-goto block_763;
-}
-else
-{
-lean_object* x_766; lean_object* x_767; 
-x_766 = lean_ctor_get(x_3, 1);
-lean_inc(x_766);
-x_767 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_766, x_1);
-lean_dec(x_766);
-if (lean_obj_tag(x_767) == 0)
-{
-lean_object* x_768; lean_object* x_769; lean_object* x_770; uint8_t x_771; 
-lean_inc(x_1);
-x_768 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_769 = lean_ctor_get(x_768, 1);
-lean_inc(x_769);
-x_770 = lean_ctor_get(x_768, 0);
-lean_inc(x_770);
-lean_dec(x_768);
-x_771 = !lean_is_exclusive(x_769);
-if (x_771 == 0)
-{
-lean_object* x_772; lean_object* x_773; 
-x_772 = lean_ctor_get(x_769, 1);
-lean_inc(x_770);
-x_773 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_772, x_1, x_770);
-lean_ctor_set(x_769, 1, x_773);
-x_695 = x_770;
-x_696 = x_769;
-goto block_763;
-}
-else
-{
-lean_object* x_774; lean_object* x_775; lean_object* x_776; lean_object* x_777; 
-x_774 = lean_ctor_get(x_769, 0);
-x_775 = lean_ctor_get(x_769, 1);
-lean_inc(x_775);
-lean_inc(x_774);
-lean_dec(x_769);
-lean_inc(x_770);
-x_776 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_775, x_1, x_770);
-x_777 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_777, 0, x_774);
-lean_ctor_set(x_777, 1, x_776);
-x_695 = x_770;
-x_696 = x_777;
-goto block_763;
-}
-}
-else
-{
-lean_object* x_778; 
-lean_dec(x_1);
-x_778 = lean_ctor_get(x_767, 0);
-lean_inc(x_778);
-lean_dec(x_767);
-x_695 = x_778;
-x_696 = x_3;
-goto block_763;
-}
-}
-}
-else
-{
-lean_object* x_779; lean_object* x_780; 
-x_779 = lean_ctor_get(x_3, 1);
-lean_inc(x_779);
-x_780 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_779, x_1);
-lean_dec(x_779);
-if (lean_obj_tag(x_780) == 0)
-{
-lean_object* x_781; lean_object* x_782; lean_object* x_783; uint8_t x_784; 
-lean_inc(x_1);
-x_781 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_782 = lean_ctor_get(x_781, 1);
-lean_inc(x_782);
-x_783 = lean_ctor_get(x_781, 0);
-lean_inc(x_783);
-lean_dec(x_781);
-x_784 = !lean_is_exclusive(x_782);
-if (x_784 == 0)
-{
-lean_object* x_785; lean_object* x_786; 
-x_785 = lean_ctor_get(x_782, 1);
-lean_inc(x_783);
-x_786 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_785, x_1, x_783);
-lean_ctor_set(x_782, 1, x_786);
-x_695 = x_783;
-x_696 = x_782;
-goto block_763;
-}
-else
-{
-lean_object* x_787; lean_object* x_788; lean_object* x_789; lean_object* x_790; 
-x_787 = lean_ctor_get(x_782, 0);
-x_788 = lean_ctor_get(x_782, 1);
-lean_inc(x_788);
-lean_inc(x_787);
-lean_dec(x_782);
-lean_inc(x_783);
-x_789 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_788, x_1, x_783);
-x_790 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_790, 0, x_787);
-lean_ctor_set(x_790, 1, x_789);
-x_695 = x_783;
-x_696 = x_790;
-goto block_763;
-}
-}
-else
-{
-lean_object* x_791; 
-lean_dec(x_1);
-x_791 = lean_ctor_get(x_780, 0);
-lean_inc(x_791);
-lean_dec(x_780);
-x_695 = x_791;
-x_696 = x_3;
-goto block_763;
-}
-}
-block_763:
-{
-lean_object* x_697; 
-if (x_694 == 0)
-{
-lean_object* x_708; 
-x_708 = lean_box(0);
-x_697 = x_708;
-goto block_707;
-}
-else
-{
-uint8_t x_709; 
-x_709 = l_Lean_Expr_isLambda(x_695);
-if (x_709 == 0)
-{
-lean_object* x_710; 
-x_710 = lean_box(0);
-x_697 = x_710;
-goto block_707;
-}
-else
-{
-lean_object* x_711; uint8_t x_712; 
-x_711 = l_Lean_Expr_betaRev(x_695, x_2);
-lean_dec(x_695);
-x_712 = lean_expr_has_expr_mvar(x_711);
-if (x_712 == 0)
-{
-uint8_t x_713; 
-x_713 = lean_expr_has_level_mvar(x_711);
-if (x_713 == 0)
-{
-lean_object* x_714; 
-x_714 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_714, 0, x_711);
-lean_ctor_set(x_714, 1, x_696);
-return x_714;
-}
-else
-{
-lean_object* x_715; lean_object* x_716; 
-x_715 = lean_ctor_get(x_696, 1);
-lean_inc(x_715);
-x_716 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_715, x_711);
-lean_dec(x_715);
-if (lean_obj_tag(x_716) == 0)
-{
-lean_object* x_717; uint8_t x_718; 
-lean_inc(x_711);
-x_717 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_711, x_696);
-x_718 = !lean_is_exclusive(x_717);
-if (x_718 == 0)
-{
-lean_object* x_719; uint8_t x_720; 
-x_719 = lean_ctor_get(x_717, 1);
-x_720 = !lean_is_exclusive(x_719);
-if (x_720 == 0)
-{
-lean_object* x_721; lean_object* x_722; lean_object* x_723; 
-x_721 = lean_ctor_get(x_717, 0);
-x_722 = lean_ctor_get(x_719, 1);
-lean_inc(x_721);
-x_723 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_722, x_711, x_721);
-lean_ctor_set(x_719, 1, x_723);
-return x_717;
-}
-else
-{
-lean_object* x_724; lean_object* x_725; lean_object* x_726; lean_object* x_727; lean_object* x_728; 
-x_724 = lean_ctor_get(x_717, 0);
-x_725 = lean_ctor_get(x_719, 0);
-x_726 = lean_ctor_get(x_719, 1);
-lean_inc(x_726);
-lean_inc(x_725);
-lean_dec(x_719);
-lean_inc(x_724);
-x_727 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_726, x_711, x_724);
-x_728 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_728, 0, x_725);
-lean_ctor_set(x_728, 1, x_727);
-lean_ctor_set(x_717, 1, x_728);
-return x_717;
-}
-}
-else
-{
-lean_object* x_729; lean_object* x_730; lean_object* x_731; lean_object* x_732; lean_object* x_733; lean_object* x_734; lean_object* x_735; lean_object* x_736; 
-x_729 = lean_ctor_get(x_717, 1);
-x_730 = lean_ctor_get(x_717, 0);
-lean_inc(x_729);
-lean_inc(x_730);
-lean_dec(x_717);
-x_731 = lean_ctor_get(x_729, 0);
-lean_inc(x_731);
-x_732 = lean_ctor_get(x_729, 1);
-lean_inc(x_732);
-if (lean_is_exclusive(x_729)) {
- lean_ctor_release(x_729, 0);
- lean_ctor_release(x_729, 1);
- x_733 = x_729;
-} else {
- lean_dec_ref(x_729);
- x_733 = lean_box(0);
-}
-lean_inc(x_730);
-x_734 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_732, x_711, x_730);
-if (lean_is_scalar(x_733)) {
- x_735 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_735 = x_733;
-}
-lean_ctor_set(x_735, 0, x_731);
-lean_ctor_set(x_735, 1, x_734);
-x_736 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_736, 0, x_730);
-lean_ctor_set(x_736, 1, x_735);
-return x_736;
-}
-}
-else
-{
-lean_object* x_737; lean_object* x_738; 
-lean_dec(x_711);
-x_737 = lean_ctor_get(x_716, 0);
-lean_inc(x_737);
-lean_dec(x_716);
-x_738 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_738, 0, x_737);
-lean_ctor_set(x_738, 1, x_696);
-return x_738;
-}
-}
-}
-else
-{
-lean_object* x_739; lean_object* x_740; 
-x_739 = lean_ctor_get(x_696, 1);
-lean_inc(x_739);
-x_740 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_739, x_711);
-lean_dec(x_739);
-if (lean_obj_tag(x_740) == 0)
-{
-lean_object* x_741; uint8_t x_742; 
-lean_inc(x_711);
-x_741 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_711, x_696);
-x_742 = !lean_is_exclusive(x_741);
-if (x_742 == 0)
-{
-lean_object* x_743; uint8_t x_744; 
-x_743 = lean_ctor_get(x_741, 1);
-x_744 = !lean_is_exclusive(x_743);
-if (x_744 == 0)
-{
-lean_object* x_745; lean_object* x_746; lean_object* x_747; 
-x_745 = lean_ctor_get(x_741, 0);
-x_746 = lean_ctor_get(x_743, 1);
-lean_inc(x_745);
-x_747 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_746, x_711, x_745);
-lean_ctor_set(x_743, 1, x_747);
-return x_741;
-}
-else
-{
-lean_object* x_748; lean_object* x_749; lean_object* x_750; lean_object* x_751; lean_object* x_752; 
-x_748 = lean_ctor_get(x_741, 0);
-x_749 = lean_ctor_get(x_743, 0);
-x_750 = lean_ctor_get(x_743, 1);
-lean_inc(x_750);
-lean_inc(x_749);
-lean_dec(x_743);
-lean_inc(x_748);
-x_751 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_750, x_711, x_748);
-x_752 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_752, 0, x_749);
-lean_ctor_set(x_752, 1, x_751);
-lean_ctor_set(x_741, 1, x_752);
-return x_741;
-}
-}
-else
-{
-lean_object* x_753; lean_object* x_754; lean_object* x_755; lean_object* x_756; lean_object* x_757; lean_object* x_758; lean_object* x_759; lean_object* x_760; 
-x_753 = lean_ctor_get(x_741, 1);
-x_754 = lean_ctor_get(x_741, 0);
-lean_inc(x_753);
-lean_inc(x_754);
-lean_dec(x_741);
-x_755 = lean_ctor_get(x_753, 0);
-lean_inc(x_755);
-x_756 = lean_ctor_get(x_753, 1);
-lean_inc(x_756);
-if (lean_is_exclusive(x_753)) {
- lean_ctor_release(x_753, 0);
- lean_ctor_release(x_753, 1);
- x_757 = x_753;
-} else {
- lean_dec_ref(x_753);
- x_757 = lean_box(0);
-}
-lean_inc(x_754);
-x_758 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_756, x_711, x_754);
-if (lean_is_scalar(x_757)) {
- x_759 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_759 = x_757;
-}
-lean_ctor_set(x_759, 0, x_755);
-lean_ctor_set(x_759, 1, x_758);
-x_760 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_760, 0, x_754);
-lean_ctor_set(x_760, 1, x_759);
-return x_760;
-}
-}
-else
-{
-lean_object* x_761; lean_object* x_762; 
-lean_dec(x_711);
-x_761 = lean_ctor_get(x_740, 0);
-lean_inc(x_761);
-lean_dec(x_740);
-x_762 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_762, 0, x_761);
-lean_ctor_set(x_762, 1, x_696);
-return x_762;
-}
-}
-}
-}
-block_707:
-{
-lean_object* x_698; lean_object* x_699; uint8_t x_700; 
-lean_dec(x_697);
-x_698 = lean_unsigned_to_nat(0u);
-x_699 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_698, x_2, x_696);
-x_700 = !lean_is_exclusive(x_699);
-if (x_700 == 0)
-{
-lean_object* x_701; lean_object* x_702; 
-x_701 = lean_ctor_get(x_699, 0);
-x_702 = l_Lean_mkAppRev(x_695, x_701);
-lean_dec(x_701);
-lean_ctor_set(x_699, 0, x_702);
-return x_699;
-}
-else
-{
-lean_object* x_703; lean_object* x_704; lean_object* x_705; lean_object* x_706; 
-x_703 = lean_ctor_get(x_699, 0);
-x_704 = lean_ctor_get(x_699, 1);
-lean_inc(x_704);
-lean_inc(x_703);
-lean_dec(x_699);
-x_705 = l_Lean_mkAppRev(x_695, x_703);
-lean_dec(x_703);
-x_706 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_706, 0, x_705);
-lean_ctor_set(x_706, 1, x_704);
-return x_706;
+lean_object* x_430; lean_object* x_431; lean_object* x_432; lean_object* x_433; 
+x_430 = lean_ctor_get(x_426, 0);
+x_431 = lean_ctor_get(x_426, 1);
+lean_inc(x_431);
+lean_inc(x_430);
+lean_dec(x_426);
+x_432 = l_Lean_mkAppRev(x_422, x_430);
+lean_dec(x_430);
+x_433 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_433, 0, x_432);
+lean_ctor_set(x_433, 1, x_431);
+return x_433;
 }
 }
 }
 }
 case 9:
 {
-uint8_t x_792; lean_object* x_793; lean_object* x_794; uint8_t x_862; 
-x_792 = l_Lean_Expr_isMVar(x_1);
-x_862 = lean_expr_has_expr_mvar(x_1);
-if (x_862 == 0)
+uint8_t x_480; lean_object* x_481; lean_object* x_482; uint8_t x_525; 
+x_480 = l_Lean_Expr_isMVar(x_1);
+x_525 = l_Lean_Expr_hasMVar(x_1);
+if (x_525 == 0)
 {
-uint8_t x_863; 
-x_863 = lean_expr_has_level_mvar(x_1);
-if (x_863 == 0)
-{
-x_793 = x_1;
-x_794 = x_3;
-goto block_861;
+x_481 = x_1;
+x_482 = x_3;
+goto block_524;
 }
 else
 {
-lean_object* x_864; lean_object* x_865; 
-x_864 = lean_ctor_get(x_3, 1);
-lean_inc(x_864);
-x_865 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_864, x_1);
-lean_dec(x_864);
-if (lean_obj_tag(x_865) == 0)
+lean_object* x_526; lean_object* x_527; 
+x_526 = lean_ctor_get(x_3, 1);
+lean_inc(x_526);
+x_527 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_526, x_1);
+lean_dec(x_526);
+if (lean_obj_tag(x_527) == 0)
 {
-lean_object* x_866; lean_object* x_867; lean_object* x_868; uint8_t x_869; 
+lean_object* x_528; lean_object* x_529; lean_object* x_530; uint8_t x_531; 
 lean_inc(x_1);
-x_866 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_867 = lean_ctor_get(x_866, 1);
-lean_inc(x_867);
-x_868 = lean_ctor_get(x_866, 0);
-lean_inc(x_868);
-lean_dec(x_866);
-x_869 = !lean_is_exclusive(x_867);
-if (x_869 == 0)
+x_528 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_529 = lean_ctor_get(x_528, 1);
+lean_inc(x_529);
+x_530 = lean_ctor_get(x_528, 0);
+lean_inc(x_530);
+lean_dec(x_528);
+x_531 = !lean_is_exclusive(x_529);
+if (x_531 == 0)
 {
-lean_object* x_870; lean_object* x_871; 
-x_870 = lean_ctor_get(x_867, 1);
-lean_inc(x_868);
-x_871 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_870, x_1, x_868);
-lean_ctor_set(x_867, 1, x_871);
-x_793 = x_868;
-x_794 = x_867;
-goto block_861;
+lean_object* x_532; lean_object* x_533; 
+x_532 = lean_ctor_get(x_529, 1);
+lean_inc(x_530);
+x_533 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_532, x_1, x_530);
+lean_ctor_set(x_529, 1, x_533);
+x_481 = x_530;
+x_482 = x_529;
+goto block_524;
 }
 else
 {
-lean_object* x_872; lean_object* x_873; lean_object* x_874; lean_object* x_875; 
-x_872 = lean_ctor_get(x_867, 0);
-x_873 = lean_ctor_get(x_867, 1);
-lean_inc(x_873);
-lean_inc(x_872);
-lean_dec(x_867);
-lean_inc(x_868);
-x_874 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_873, x_1, x_868);
-x_875 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_875, 0, x_872);
-lean_ctor_set(x_875, 1, x_874);
-x_793 = x_868;
-x_794 = x_875;
-goto block_861;
+lean_object* x_534; lean_object* x_535; lean_object* x_536; lean_object* x_537; 
+x_534 = lean_ctor_get(x_529, 0);
+x_535 = lean_ctor_get(x_529, 1);
+lean_inc(x_535);
+lean_inc(x_534);
+lean_dec(x_529);
+lean_inc(x_530);
+x_536 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_535, x_1, x_530);
+x_537 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_537, 0, x_534);
+lean_ctor_set(x_537, 1, x_536);
+x_481 = x_530;
+x_482 = x_537;
+goto block_524;
 }
 }
 else
 {
-lean_object* x_876; 
+lean_object* x_538; 
 lean_dec(x_1);
-x_876 = lean_ctor_get(x_865, 0);
-lean_inc(x_876);
-lean_dec(x_865);
-x_793 = x_876;
-x_794 = x_3;
-goto block_861;
+x_538 = lean_ctor_get(x_527, 0);
+lean_inc(x_538);
+lean_dec(x_527);
+x_481 = x_538;
+x_482 = x_3;
+goto block_524;
 }
 }
+block_524:
+{
+lean_object* x_483; 
+if (x_480 == 0)
+{
+lean_object* x_494; 
+x_494 = lean_box(0);
+x_483 = x_494;
+goto block_493;
+}
+else
+{
+uint8_t x_495; 
+x_495 = l_Lean_Expr_isLambda(x_481);
+if (x_495 == 0)
+{
+lean_object* x_496; 
+x_496 = lean_box(0);
+x_483 = x_496;
+goto block_493;
+}
+else
+{
+lean_object* x_497; uint8_t x_498; 
+x_497 = l_Lean_Expr_betaRev(x_481, x_2);
+lean_dec(x_481);
+x_498 = l_Lean_Expr_hasMVar(x_497);
+if (x_498 == 0)
+{
+lean_object* x_499; 
+x_499 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_499, 0, x_497);
+lean_ctor_set(x_499, 1, x_482);
+return x_499;
+}
+else
+{
+lean_object* x_500; lean_object* x_501; 
+x_500 = lean_ctor_get(x_482, 1);
+lean_inc(x_500);
+x_501 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_500, x_497);
+lean_dec(x_500);
+if (lean_obj_tag(x_501) == 0)
+{
+lean_object* x_502; uint8_t x_503; 
+lean_inc(x_497);
+x_502 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_497, x_482);
+x_503 = !lean_is_exclusive(x_502);
+if (x_503 == 0)
+{
+lean_object* x_504; uint8_t x_505; 
+x_504 = lean_ctor_get(x_502, 1);
+x_505 = !lean_is_exclusive(x_504);
+if (x_505 == 0)
+{
+lean_object* x_506; lean_object* x_507; lean_object* x_508; 
+x_506 = lean_ctor_get(x_502, 0);
+x_507 = lean_ctor_get(x_504, 1);
+lean_inc(x_506);
+x_508 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_507, x_497, x_506);
+lean_ctor_set(x_504, 1, x_508);
+return x_502;
+}
+else
+{
+lean_object* x_509; lean_object* x_510; lean_object* x_511; lean_object* x_512; lean_object* x_513; 
+x_509 = lean_ctor_get(x_502, 0);
+x_510 = lean_ctor_get(x_504, 0);
+x_511 = lean_ctor_get(x_504, 1);
+lean_inc(x_511);
+lean_inc(x_510);
+lean_dec(x_504);
+lean_inc(x_509);
+x_512 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_511, x_497, x_509);
+x_513 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_513, 0, x_510);
+lean_ctor_set(x_513, 1, x_512);
+lean_ctor_set(x_502, 1, x_513);
+return x_502;
+}
 }
 else
 {
-lean_object* x_877; lean_object* x_878; 
-x_877 = lean_ctor_get(x_3, 1);
-lean_inc(x_877);
-x_878 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_877, x_1);
-lean_dec(x_877);
-if (lean_obj_tag(x_878) == 0)
-{
-lean_object* x_879; lean_object* x_880; lean_object* x_881; uint8_t x_882; 
-lean_inc(x_1);
-x_879 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_880 = lean_ctor_get(x_879, 1);
-lean_inc(x_880);
-x_881 = lean_ctor_get(x_879, 0);
-lean_inc(x_881);
-lean_dec(x_879);
-x_882 = !lean_is_exclusive(x_880);
-if (x_882 == 0)
-{
-lean_object* x_883; lean_object* x_884; 
-x_883 = lean_ctor_get(x_880, 1);
-lean_inc(x_881);
-x_884 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_883, x_1, x_881);
-lean_ctor_set(x_880, 1, x_884);
-x_793 = x_881;
-x_794 = x_880;
-goto block_861;
-}
-else
-{
-lean_object* x_885; lean_object* x_886; lean_object* x_887; lean_object* x_888; 
-x_885 = lean_ctor_get(x_880, 0);
-x_886 = lean_ctor_get(x_880, 1);
-lean_inc(x_886);
-lean_inc(x_885);
-lean_dec(x_880);
-lean_inc(x_881);
-x_887 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_886, x_1, x_881);
-x_888 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_888, 0, x_885);
-lean_ctor_set(x_888, 1, x_887);
-x_793 = x_881;
-x_794 = x_888;
-goto block_861;
-}
-}
-else
-{
-lean_object* x_889; 
-lean_dec(x_1);
-x_889 = lean_ctor_get(x_878, 0);
-lean_inc(x_889);
-lean_dec(x_878);
-x_793 = x_889;
-x_794 = x_3;
-goto block_861;
-}
-}
-block_861:
-{
-lean_object* x_795; 
-if (x_792 == 0)
-{
-lean_object* x_806; 
-x_806 = lean_box(0);
-x_795 = x_806;
-goto block_805;
-}
-else
-{
-uint8_t x_807; 
-x_807 = l_Lean_Expr_isLambda(x_793);
-if (x_807 == 0)
-{
-lean_object* x_808; 
-x_808 = lean_box(0);
-x_795 = x_808;
-goto block_805;
-}
-else
-{
-lean_object* x_809; uint8_t x_810; 
-x_809 = l_Lean_Expr_betaRev(x_793, x_2);
-lean_dec(x_793);
-x_810 = lean_expr_has_expr_mvar(x_809);
-if (x_810 == 0)
-{
-uint8_t x_811; 
-x_811 = lean_expr_has_level_mvar(x_809);
-if (x_811 == 0)
-{
-lean_object* x_812; 
-x_812 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_812, 0, x_809);
-lean_ctor_set(x_812, 1, x_794);
-return x_812;
-}
-else
-{
-lean_object* x_813; lean_object* x_814; 
-x_813 = lean_ctor_get(x_794, 1);
-lean_inc(x_813);
-x_814 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_813, x_809);
-lean_dec(x_813);
-if (lean_obj_tag(x_814) == 0)
-{
-lean_object* x_815; uint8_t x_816; 
-lean_inc(x_809);
-x_815 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_809, x_794);
-x_816 = !lean_is_exclusive(x_815);
-if (x_816 == 0)
-{
-lean_object* x_817; uint8_t x_818; 
-x_817 = lean_ctor_get(x_815, 1);
-x_818 = !lean_is_exclusive(x_817);
-if (x_818 == 0)
-{
-lean_object* x_819; lean_object* x_820; lean_object* x_821; 
-x_819 = lean_ctor_get(x_815, 0);
-x_820 = lean_ctor_get(x_817, 1);
-lean_inc(x_819);
-x_821 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_820, x_809, x_819);
-lean_ctor_set(x_817, 1, x_821);
-return x_815;
-}
-else
-{
-lean_object* x_822; lean_object* x_823; lean_object* x_824; lean_object* x_825; lean_object* x_826; 
-x_822 = lean_ctor_get(x_815, 0);
-x_823 = lean_ctor_get(x_817, 0);
-x_824 = lean_ctor_get(x_817, 1);
-lean_inc(x_824);
-lean_inc(x_823);
-lean_dec(x_817);
-lean_inc(x_822);
-x_825 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_824, x_809, x_822);
-x_826 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_826, 0, x_823);
-lean_ctor_set(x_826, 1, x_825);
-lean_ctor_set(x_815, 1, x_826);
-return x_815;
-}
-}
-else
-{
-lean_object* x_827; lean_object* x_828; lean_object* x_829; lean_object* x_830; lean_object* x_831; lean_object* x_832; lean_object* x_833; lean_object* x_834; 
-x_827 = lean_ctor_get(x_815, 1);
-x_828 = lean_ctor_get(x_815, 0);
-lean_inc(x_827);
-lean_inc(x_828);
-lean_dec(x_815);
-x_829 = lean_ctor_get(x_827, 0);
-lean_inc(x_829);
-x_830 = lean_ctor_get(x_827, 1);
-lean_inc(x_830);
-if (lean_is_exclusive(x_827)) {
- lean_ctor_release(x_827, 0);
- lean_ctor_release(x_827, 1);
- x_831 = x_827;
+lean_object* x_514; lean_object* x_515; lean_object* x_516; lean_object* x_517; lean_object* x_518; lean_object* x_519; lean_object* x_520; lean_object* x_521; 
+x_514 = lean_ctor_get(x_502, 1);
+x_515 = lean_ctor_get(x_502, 0);
+lean_inc(x_514);
+lean_inc(x_515);
+lean_dec(x_502);
+x_516 = lean_ctor_get(x_514, 0);
+lean_inc(x_516);
+x_517 = lean_ctor_get(x_514, 1);
+lean_inc(x_517);
+if (lean_is_exclusive(x_514)) {
+ lean_ctor_release(x_514, 0);
+ lean_ctor_release(x_514, 1);
+ x_518 = x_514;
 } else {
- lean_dec_ref(x_827);
- x_831 = lean_box(0);
+ lean_dec_ref(x_514);
+ x_518 = lean_box(0);
 }
-lean_inc(x_828);
-x_832 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_830, x_809, x_828);
-if (lean_is_scalar(x_831)) {
- x_833 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_515);
+x_519 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_517, x_497, x_515);
+if (lean_is_scalar(x_518)) {
+ x_520 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_833 = x_831;
+ x_520 = x_518;
 }
-lean_ctor_set(x_833, 0, x_829);
-lean_ctor_set(x_833, 1, x_832);
-x_834 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_834, 0, x_828);
-lean_ctor_set(x_834, 1, x_833);
-return x_834;
+lean_ctor_set(x_520, 0, x_516);
+lean_ctor_set(x_520, 1, x_519);
+x_521 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_521, 0, x_515);
+lean_ctor_set(x_521, 1, x_520);
+return x_521;
 }
 }
 else
 {
-lean_object* x_835; lean_object* x_836; 
-lean_dec(x_809);
-x_835 = lean_ctor_get(x_814, 0);
-lean_inc(x_835);
-lean_dec(x_814);
-x_836 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_836, 0, x_835);
-lean_ctor_set(x_836, 1, x_794);
-return x_836;
+lean_object* x_522; lean_object* x_523; 
+lean_dec(x_497);
+x_522 = lean_ctor_get(x_501, 0);
+lean_inc(x_522);
+lean_dec(x_501);
+x_523 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_523, 0, x_522);
+lean_ctor_set(x_523, 1, x_482);
+return x_523;
 }
 }
 }
+}
+block_493:
+{
+lean_object* x_484; lean_object* x_485; uint8_t x_486; 
+lean_dec(x_483);
+x_484 = lean_unsigned_to_nat(0u);
+x_485 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_484, x_2, x_482);
+x_486 = !lean_is_exclusive(x_485);
+if (x_486 == 0)
+{
+lean_object* x_487; lean_object* x_488; 
+x_487 = lean_ctor_get(x_485, 0);
+x_488 = l_Lean_mkAppRev(x_481, x_487);
+lean_dec(x_487);
+lean_ctor_set(x_485, 0, x_488);
+return x_485;
+}
 else
 {
-lean_object* x_837; lean_object* x_838; 
-x_837 = lean_ctor_get(x_794, 1);
-lean_inc(x_837);
-x_838 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_837, x_809);
-lean_dec(x_837);
-if (lean_obj_tag(x_838) == 0)
-{
-lean_object* x_839; uint8_t x_840; 
-lean_inc(x_809);
-x_839 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_809, x_794);
-x_840 = !lean_is_exclusive(x_839);
-if (x_840 == 0)
-{
-lean_object* x_841; uint8_t x_842; 
-x_841 = lean_ctor_get(x_839, 1);
-x_842 = !lean_is_exclusive(x_841);
-if (x_842 == 0)
-{
-lean_object* x_843; lean_object* x_844; lean_object* x_845; 
-x_843 = lean_ctor_get(x_839, 0);
-x_844 = lean_ctor_get(x_841, 1);
-lean_inc(x_843);
-x_845 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_844, x_809, x_843);
-lean_ctor_set(x_841, 1, x_845);
-return x_839;
-}
-else
-{
-lean_object* x_846; lean_object* x_847; lean_object* x_848; lean_object* x_849; lean_object* x_850; 
-x_846 = lean_ctor_get(x_839, 0);
-x_847 = lean_ctor_get(x_841, 0);
-x_848 = lean_ctor_get(x_841, 1);
-lean_inc(x_848);
-lean_inc(x_847);
-lean_dec(x_841);
-lean_inc(x_846);
-x_849 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_848, x_809, x_846);
-x_850 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_850, 0, x_847);
-lean_ctor_set(x_850, 1, x_849);
-lean_ctor_set(x_839, 1, x_850);
-return x_839;
-}
-}
-else
-{
-lean_object* x_851; lean_object* x_852; lean_object* x_853; lean_object* x_854; lean_object* x_855; lean_object* x_856; lean_object* x_857; lean_object* x_858; 
-x_851 = lean_ctor_get(x_839, 1);
-x_852 = lean_ctor_get(x_839, 0);
-lean_inc(x_851);
-lean_inc(x_852);
-lean_dec(x_839);
-x_853 = lean_ctor_get(x_851, 0);
-lean_inc(x_853);
-x_854 = lean_ctor_get(x_851, 1);
-lean_inc(x_854);
-if (lean_is_exclusive(x_851)) {
- lean_ctor_release(x_851, 0);
- lean_ctor_release(x_851, 1);
- x_855 = x_851;
-} else {
- lean_dec_ref(x_851);
- x_855 = lean_box(0);
-}
-lean_inc(x_852);
-x_856 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_854, x_809, x_852);
-if (lean_is_scalar(x_855)) {
- x_857 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_857 = x_855;
-}
-lean_ctor_set(x_857, 0, x_853);
-lean_ctor_set(x_857, 1, x_856);
-x_858 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_858, 0, x_852);
-lean_ctor_set(x_858, 1, x_857);
-return x_858;
-}
-}
-else
-{
-lean_object* x_859; lean_object* x_860; 
-lean_dec(x_809);
-x_859 = lean_ctor_get(x_838, 0);
-lean_inc(x_859);
-lean_dec(x_838);
-x_860 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_860, 0, x_859);
-lean_ctor_set(x_860, 1, x_794);
-return x_860;
-}
-}
-}
-}
-block_805:
-{
-lean_object* x_796; lean_object* x_797; uint8_t x_798; 
-lean_dec(x_795);
-x_796 = lean_unsigned_to_nat(0u);
-x_797 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_796, x_2, x_794);
-x_798 = !lean_is_exclusive(x_797);
-if (x_798 == 0)
-{
-lean_object* x_799; lean_object* x_800; 
-x_799 = lean_ctor_get(x_797, 0);
-x_800 = l_Lean_mkAppRev(x_793, x_799);
-lean_dec(x_799);
-lean_ctor_set(x_797, 0, x_800);
-return x_797;
-}
-else
-{
-lean_object* x_801; lean_object* x_802; lean_object* x_803; lean_object* x_804; 
-x_801 = lean_ctor_get(x_797, 0);
-x_802 = lean_ctor_get(x_797, 1);
-lean_inc(x_802);
-lean_inc(x_801);
-lean_dec(x_797);
-x_803 = l_Lean_mkAppRev(x_793, x_801);
-lean_dec(x_801);
-x_804 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_804, 0, x_803);
-lean_ctor_set(x_804, 1, x_802);
-return x_804;
+lean_object* x_489; lean_object* x_490; lean_object* x_491; lean_object* x_492; 
+x_489 = lean_ctor_get(x_485, 0);
+x_490 = lean_ctor_get(x_485, 1);
+lean_inc(x_490);
+lean_inc(x_489);
+lean_dec(x_485);
+x_491 = l_Lean_mkAppRev(x_481, x_489);
+lean_dec(x_489);
+x_492 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_492, 0, x_491);
+lean_ctor_set(x_492, 1, x_490);
+return x_492;
 }
 }
 }
 }
 case 10:
 {
-uint8_t x_890; lean_object* x_891; lean_object* x_892; uint8_t x_960; 
-x_890 = l_Lean_Expr_isMVar(x_1);
-x_960 = lean_expr_has_expr_mvar(x_1);
-if (x_960 == 0)
+uint8_t x_539; lean_object* x_540; lean_object* x_541; uint8_t x_584; 
+x_539 = l_Lean_Expr_isMVar(x_1);
+x_584 = l_Lean_Expr_hasMVar(x_1);
+if (x_584 == 0)
 {
-uint8_t x_961; 
-x_961 = lean_expr_has_level_mvar(x_1);
-if (x_961 == 0)
-{
-x_891 = x_1;
-x_892 = x_3;
-goto block_959;
+x_540 = x_1;
+x_541 = x_3;
+goto block_583;
 }
 else
 {
-lean_object* x_962; lean_object* x_963; 
-x_962 = lean_ctor_get(x_3, 1);
-lean_inc(x_962);
-x_963 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_962, x_1);
-lean_dec(x_962);
-if (lean_obj_tag(x_963) == 0)
+lean_object* x_585; lean_object* x_586; 
+x_585 = lean_ctor_get(x_3, 1);
+lean_inc(x_585);
+x_586 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_585, x_1);
+lean_dec(x_585);
+if (lean_obj_tag(x_586) == 0)
 {
-lean_object* x_964; lean_object* x_965; lean_object* x_966; uint8_t x_967; 
+lean_object* x_587; lean_object* x_588; lean_object* x_589; uint8_t x_590; 
 lean_inc(x_1);
-x_964 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_965 = lean_ctor_get(x_964, 1);
-lean_inc(x_965);
-x_966 = lean_ctor_get(x_964, 0);
-lean_inc(x_966);
-lean_dec(x_964);
-x_967 = !lean_is_exclusive(x_965);
-if (x_967 == 0)
+x_587 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_588 = lean_ctor_get(x_587, 1);
+lean_inc(x_588);
+x_589 = lean_ctor_get(x_587, 0);
+lean_inc(x_589);
+lean_dec(x_587);
+x_590 = !lean_is_exclusive(x_588);
+if (x_590 == 0)
 {
-lean_object* x_968; lean_object* x_969; 
-x_968 = lean_ctor_get(x_965, 1);
-lean_inc(x_966);
-x_969 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_968, x_1, x_966);
-lean_ctor_set(x_965, 1, x_969);
-x_891 = x_966;
-x_892 = x_965;
-goto block_959;
+lean_object* x_591; lean_object* x_592; 
+x_591 = lean_ctor_get(x_588, 1);
+lean_inc(x_589);
+x_592 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_591, x_1, x_589);
+lean_ctor_set(x_588, 1, x_592);
+x_540 = x_589;
+x_541 = x_588;
+goto block_583;
 }
 else
 {
-lean_object* x_970; lean_object* x_971; lean_object* x_972; lean_object* x_973; 
-x_970 = lean_ctor_get(x_965, 0);
-x_971 = lean_ctor_get(x_965, 1);
-lean_inc(x_971);
-lean_inc(x_970);
-lean_dec(x_965);
-lean_inc(x_966);
-x_972 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_971, x_1, x_966);
-x_973 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_973, 0, x_970);
-lean_ctor_set(x_973, 1, x_972);
-x_891 = x_966;
-x_892 = x_973;
-goto block_959;
+lean_object* x_593; lean_object* x_594; lean_object* x_595; lean_object* x_596; 
+x_593 = lean_ctor_get(x_588, 0);
+x_594 = lean_ctor_get(x_588, 1);
+lean_inc(x_594);
+lean_inc(x_593);
+lean_dec(x_588);
+lean_inc(x_589);
+x_595 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_594, x_1, x_589);
+x_596 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_596, 0, x_593);
+lean_ctor_set(x_596, 1, x_595);
+x_540 = x_589;
+x_541 = x_596;
+goto block_583;
 }
 }
 else
 {
-lean_object* x_974; 
+lean_object* x_597; 
 lean_dec(x_1);
-x_974 = lean_ctor_get(x_963, 0);
-lean_inc(x_974);
-lean_dec(x_963);
-x_891 = x_974;
-x_892 = x_3;
-goto block_959;
+x_597 = lean_ctor_get(x_586, 0);
+lean_inc(x_597);
+lean_dec(x_586);
+x_540 = x_597;
+x_541 = x_3;
+goto block_583;
 }
 }
+block_583:
+{
+lean_object* x_542; 
+if (x_539 == 0)
+{
+lean_object* x_553; 
+x_553 = lean_box(0);
+x_542 = x_553;
+goto block_552;
+}
+else
+{
+uint8_t x_554; 
+x_554 = l_Lean_Expr_isLambda(x_540);
+if (x_554 == 0)
+{
+lean_object* x_555; 
+x_555 = lean_box(0);
+x_542 = x_555;
+goto block_552;
+}
+else
+{
+lean_object* x_556; uint8_t x_557; 
+x_556 = l_Lean_Expr_betaRev(x_540, x_2);
+lean_dec(x_540);
+x_557 = l_Lean_Expr_hasMVar(x_556);
+if (x_557 == 0)
+{
+lean_object* x_558; 
+x_558 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_558, 0, x_556);
+lean_ctor_set(x_558, 1, x_541);
+return x_558;
+}
+else
+{
+lean_object* x_559; lean_object* x_560; 
+x_559 = lean_ctor_get(x_541, 1);
+lean_inc(x_559);
+x_560 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_559, x_556);
+lean_dec(x_559);
+if (lean_obj_tag(x_560) == 0)
+{
+lean_object* x_561; uint8_t x_562; 
+lean_inc(x_556);
+x_561 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_556, x_541);
+x_562 = !lean_is_exclusive(x_561);
+if (x_562 == 0)
+{
+lean_object* x_563; uint8_t x_564; 
+x_563 = lean_ctor_get(x_561, 1);
+x_564 = !lean_is_exclusive(x_563);
+if (x_564 == 0)
+{
+lean_object* x_565; lean_object* x_566; lean_object* x_567; 
+x_565 = lean_ctor_get(x_561, 0);
+x_566 = lean_ctor_get(x_563, 1);
+lean_inc(x_565);
+x_567 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_566, x_556, x_565);
+lean_ctor_set(x_563, 1, x_567);
+return x_561;
+}
+else
+{
+lean_object* x_568; lean_object* x_569; lean_object* x_570; lean_object* x_571; lean_object* x_572; 
+x_568 = lean_ctor_get(x_561, 0);
+x_569 = lean_ctor_get(x_563, 0);
+x_570 = lean_ctor_get(x_563, 1);
+lean_inc(x_570);
+lean_inc(x_569);
+lean_dec(x_563);
+lean_inc(x_568);
+x_571 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_570, x_556, x_568);
+x_572 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_572, 0, x_569);
+lean_ctor_set(x_572, 1, x_571);
+lean_ctor_set(x_561, 1, x_572);
+return x_561;
+}
 }
 else
 {
-lean_object* x_975; lean_object* x_976; 
-x_975 = lean_ctor_get(x_3, 1);
-lean_inc(x_975);
-x_976 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_975, x_1);
-lean_dec(x_975);
-if (lean_obj_tag(x_976) == 0)
+lean_object* x_573; lean_object* x_574; lean_object* x_575; lean_object* x_576; lean_object* x_577; lean_object* x_578; lean_object* x_579; lean_object* x_580; 
+x_573 = lean_ctor_get(x_561, 1);
+x_574 = lean_ctor_get(x_561, 0);
+lean_inc(x_573);
+lean_inc(x_574);
+lean_dec(x_561);
+x_575 = lean_ctor_get(x_573, 0);
+lean_inc(x_575);
+x_576 = lean_ctor_get(x_573, 1);
+lean_inc(x_576);
+if (lean_is_exclusive(x_573)) {
+ lean_ctor_release(x_573, 0);
+ lean_ctor_release(x_573, 1);
+ x_577 = x_573;
+} else {
+ lean_dec_ref(x_573);
+ x_577 = lean_box(0);
+}
+lean_inc(x_574);
+x_578 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_576, x_556, x_574);
+if (lean_is_scalar(x_577)) {
+ x_579 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_579 = x_577;
+}
+lean_ctor_set(x_579, 0, x_575);
+lean_ctor_set(x_579, 1, x_578);
+x_580 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_580, 0, x_574);
+lean_ctor_set(x_580, 1, x_579);
+return x_580;
+}
+}
+else
 {
-lean_object* x_977; lean_object* x_978; lean_object* x_979; uint8_t x_980; 
+lean_object* x_581; lean_object* x_582; 
+lean_dec(x_556);
+x_581 = lean_ctor_get(x_560, 0);
+lean_inc(x_581);
+lean_dec(x_560);
+x_582 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_582, 0, x_581);
+lean_ctor_set(x_582, 1, x_541);
+return x_582;
+}
+}
+}
+}
+block_552:
+{
+lean_object* x_543; lean_object* x_544; uint8_t x_545; 
+lean_dec(x_542);
+x_543 = lean_unsigned_to_nat(0u);
+x_544 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_543, x_2, x_541);
+x_545 = !lean_is_exclusive(x_544);
+if (x_545 == 0)
+{
+lean_object* x_546; lean_object* x_547; 
+x_546 = lean_ctor_get(x_544, 0);
+x_547 = l_Lean_mkAppRev(x_540, x_546);
+lean_dec(x_546);
+lean_ctor_set(x_544, 0, x_547);
+return x_544;
+}
+else
+{
+lean_object* x_548; lean_object* x_549; lean_object* x_550; lean_object* x_551; 
+x_548 = lean_ctor_get(x_544, 0);
+x_549 = lean_ctor_get(x_544, 1);
+lean_inc(x_549);
+lean_inc(x_548);
+lean_dec(x_544);
+x_550 = l_Lean_mkAppRev(x_540, x_548);
+lean_dec(x_548);
+x_551 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_551, 0, x_550);
+lean_ctor_set(x_551, 1, x_549);
+return x_551;
+}
+}
+}
+}
+case 11:
+{
+uint8_t x_598; lean_object* x_599; lean_object* x_600; uint8_t x_643; 
+x_598 = l_Lean_Expr_isMVar(x_1);
+x_643 = l_Lean_Expr_hasMVar(x_1);
+if (x_643 == 0)
+{
+x_599 = x_1;
+x_600 = x_3;
+goto block_642;
+}
+else
+{
+lean_object* x_644; lean_object* x_645; 
+x_644 = lean_ctor_get(x_3, 1);
+lean_inc(x_644);
+x_645 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_644, x_1);
+lean_dec(x_644);
+if (lean_obj_tag(x_645) == 0)
+{
+lean_object* x_646; lean_object* x_647; lean_object* x_648; uint8_t x_649; 
 lean_inc(x_1);
-x_977 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_978 = lean_ctor_get(x_977, 1);
-lean_inc(x_978);
-x_979 = lean_ctor_get(x_977, 0);
-lean_inc(x_979);
-lean_dec(x_977);
-x_980 = !lean_is_exclusive(x_978);
-if (x_980 == 0)
+x_646 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_647 = lean_ctor_get(x_646, 1);
+lean_inc(x_647);
+x_648 = lean_ctor_get(x_646, 0);
+lean_inc(x_648);
+lean_dec(x_646);
+x_649 = !lean_is_exclusive(x_647);
+if (x_649 == 0)
 {
-lean_object* x_981; lean_object* x_982; 
-x_981 = lean_ctor_get(x_978, 1);
-lean_inc(x_979);
-x_982 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_981, x_1, x_979);
-lean_ctor_set(x_978, 1, x_982);
-x_891 = x_979;
-x_892 = x_978;
-goto block_959;
+lean_object* x_650; lean_object* x_651; 
+x_650 = lean_ctor_get(x_647, 1);
+lean_inc(x_648);
+x_651 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_650, x_1, x_648);
+lean_ctor_set(x_647, 1, x_651);
+x_599 = x_648;
+x_600 = x_647;
+goto block_642;
 }
 else
 {
-lean_object* x_983; lean_object* x_984; lean_object* x_985; lean_object* x_986; 
-x_983 = lean_ctor_get(x_978, 0);
-x_984 = lean_ctor_get(x_978, 1);
-lean_inc(x_984);
-lean_inc(x_983);
-lean_dec(x_978);
-lean_inc(x_979);
-x_985 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_984, x_1, x_979);
-x_986 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_986, 0, x_983);
-lean_ctor_set(x_986, 1, x_985);
-x_891 = x_979;
-x_892 = x_986;
-goto block_959;
+lean_object* x_652; lean_object* x_653; lean_object* x_654; lean_object* x_655; 
+x_652 = lean_ctor_get(x_647, 0);
+x_653 = lean_ctor_get(x_647, 1);
+lean_inc(x_653);
+lean_inc(x_652);
+lean_dec(x_647);
+lean_inc(x_648);
+x_654 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_653, x_1, x_648);
+x_655 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_655, 0, x_652);
+lean_ctor_set(x_655, 1, x_654);
+x_599 = x_648;
+x_600 = x_655;
+goto block_642;
 }
 }
 else
 {
-lean_object* x_987; 
+lean_object* x_656; 
 lean_dec(x_1);
-x_987 = lean_ctor_get(x_976, 0);
-lean_inc(x_987);
-lean_dec(x_976);
-x_891 = x_987;
-x_892 = x_3;
-goto block_959;
+x_656 = lean_ctor_get(x_645, 0);
+lean_inc(x_656);
+lean_dec(x_645);
+x_599 = x_656;
+x_600 = x_3;
+goto block_642;
 }
 }
-block_959:
+block_642:
 {
-lean_object* x_893; 
-if (x_890 == 0)
+lean_object* x_601; 
+if (x_598 == 0)
 {
-lean_object* x_904; 
-x_904 = lean_box(0);
-x_893 = x_904;
-goto block_903;
+lean_object* x_612; 
+x_612 = lean_box(0);
+x_601 = x_612;
+goto block_611;
 }
 else
 {
-uint8_t x_905; 
-x_905 = l_Lean_Expr_isLambda(x_891);
-if (x_905 == 0)
+uint8_t x_613; 
+x_613 = l_Lean_Expr_isLambda(x_599);
+if (x_613 == 0)
 {
-lean_object* x_906; 
-x_906 = lean_box(0);
-x_893 = x_906;
-goto block_903;
+lean_object* x_614; 
+x_614 = lean_box(0);
+x_601 = x_614;
+goto block_611;
 }
 else
 {
-lean_object* x_907; uint8_t x_908; 
-x_907 = l_Lean_Expr_betaRev(x_891, x_2);
-lean_dec(x_891);
-x_908 = lean_expr_has_expr_mvar(x_907);
-if (x_908 == 0)
+lean_object* x_615; uint8_t x_616; 
+x_615 = l_Lean_Expr_betaRev(x_599, x_2);
+lean_dec(x_599);
+x_616 = l_Lean_Expr_hasMVar(x_615);
+if (x_616 == 0)
 {
-uint8_t x_909; 
-x_909 = lean_expr_has_level_mvar(x_907);
-if (x_909 == 0)
-{
-lean_object* x_910; 
-x_910 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_910, 0, x_907);
-lean_ctor_set(x_910, 1, x_892);
-return x_910;
+lean_object* x_617; 
+x_617 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_617, 0, x_615);
+lean_ctor_set(x_617, 1, x_600);
+return x_617;
 }
 else
 {
-lean_object* x_911; lean_object* x_912; 
-x_911 = lean_ctor_get(x_892, 1);
-lean_inc(x_911);
-x_912 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_911, x_907);
-lean_dec(x_911);
-if (lean_obj_tag(x_912) == 0)
+lean_object* x_618; lean_object* x_619; 
+x_618 = lean_ctor_get(x_600, 1);
+lean_inc(x_618);
+x_619 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_618, x_615);
+lean_dec(x_618);
+if (lean_obj_tag(x_619) == 0)
 {
-lean_object* x_913; uint8_t x_914; 
-lean_inc(x_907);
-x_913 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_907, x_892);
-x_914 = !lean_is_exclusive(x_913);
-if (x_914 == 0)
+lean_object* x_620; uint8_t x_621; 
+lean_inc(x_615);
+x_620 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_615, x_600);
+x_621 = !lean_is_exclusive(x_620);
+if (x_621 == 0)
 {
-lean_object* x_915; uint8_t x_916; 
-x_915 = lean_ctor_get(x_913, 1);
-x_916 = !lean_is_exclusive(x_915);
-if (x_916 == 0)
+lean_object* x_622; uint8_t x_623; 
+x_622 = lean_ctor_get(x_620, 1);
+x_623 = !lean_is_exclusive(x_622);
+if (x_623 == 0)
 {
-lean_object* x_917; lean_object* x_918; lean_object* x_919; 
-x_917 = lean_ctor_get(x_913, 0);
-x_918 = lean_ctor_get(x_915, 1);
-lean_inc(x_917);
-x_919 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_918, x_907, x_917);
-lean_ctor_set(x_915, 1, x_919);
-return x_913;
+lean_object* x_624; lean_object* x_625; lean_object* x_626; 
+x_624 = lean_ctor_get(x_620, 0);
+x_625 = lean_ctor_get(x_622, 1);
+lean_inc(x_624);
+x_626 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_625, x_615, x_624);
+lean_ctor_set(x_622, 1, x_626);
+return x_620;
 }
 else
 {
-lean_object* x_920; lean_object* x_921; lean_object* x_922; lean_object* x_923; lean_object* x_924; 
-x_920 = lean_ctor_get(x_913, 0);
-x_921 = lean_ctor_get(x_915, 0);
-x_922 = lean_ctor_get(x_915, 1);
-lean_inc(x_922);
-lean_inc(x_921);
-lean_dec(x_915);
-lean_inc(x_920);
-x_923 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_922, x_907, x_920);
-x_924 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_924, 0, x_921);
-lean_ctor_set(x_924, 1, x_923);
-lean_ctor_set(x_913, 1, x_924);
-return x_913;
+lean_object* x_627; lean_object* x_628; lean_object* x_629; lean_object* x_630; lean_object* x_631; 
+x_627 = lean_ctor_get(x_620, 0);
+x_628 = lean_ctor_get(x_622, 0);
+x_629 = lean_ctor_get(x_622, 1);
+lean_inc(x_629);
+lean_inc(x_628);
+lean_dec(x_622);
+lean_inc(x_627);
+x_630 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_629, x_615, x_627);
+x_631 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_631, 0, x_628);
+lean_ctor_set(x_631, 1, x_630);
+lean_ctor_set(x_620, 1, x_631);
+return x_620;
 }
 }
 else
 {
-lean_object* x_925; lean_object* x_926; lean_object* x_927; lean_object* x_928; lean_object* x_929; lean_object* x_930; lean_object* x_931; lean_object* x_932; 
-x_925 = lean_ctor_get(x_913, 1);
-x_926 = lean_ctor_get(x_913, 0);
-lean_inc(x_925);
-lean_inc(x_926);
-lean_dec(x_913);
-x_927 = lean_ctor_get(x_925, 0);
-lean_inc(x_927);
-x_928 = lean_ctor_get(x_925, 1);
-lean_inc(x_928);
-if (lean_is_exclusive(x_925)) {
- lean_ctor_release(x_925, 0);
- lean_ctor_release(x_925, 1);
- x_929 = x_925;
+lean_object* x_632; lean_object* x_633; lean_object* x_634; lean_object* x_635; lean_object* x_636; lean_object* x_637; lean_object* x_638; lean_object* x_639; 
+x_632 = lean_ctor_get(x_620, 1);
+x_633 = lean_ctor_get(x_620, 0);
+lean_inc(x_632);
+lean_inc(x_633);
+lean_dec(x_620);
+x_634 = lean_ctor_get(x_632, 0);
+lean_inc(x_634);
+x_635 = lean_ctor_get(x_632, 1);
+lean_inc(x_635);
+if (lean_is_exclusive(x_632)) {
+ lean_ctor_release(x_632, 0);
+ lean_ctor_release(x_632, 1);
+ x_636 = x_632;
 } else {
- lean_dec_ref(x_925);
- x_929 = lean_box(0);
+ lean_dec_ref(x_632);
+ x_636 = lean_box(0);
 }
-lean_inc(x_926);
-x_930 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_928, x_907, x_926);
-if (lean_is_scalar(x_929)) {
- x_931 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_633);
+x_637 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_635, x_615, x_633);
+if (lean_is_scalar(x_636)) {
+ x_638 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_931 = x_929;
+ x_638 = x_636;
 }
-lean_ctor_set(x_931, 0, x_927);
-lean_ctor_set(x_931, 1, x_930);
-x_932 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_932, 0, x_926);
-lean_ctor_set(x_932, 1, x_931);
-return x_932;
+lean_ctor_set(x_638, 0, x_634);
+lean_ctor_set(x_638, 1, x_637);
+x_639 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_639, 0, x_633);
+lean_ctor_set(x_639, 1, x_638);
+return x_639;
 }
 }
 else
 {
-lean_object* x_933; lean_object* x_934; 
-lean_dec(x_907);
-x_933 = lean_ctor_get(x_912, 0);
-lean_inc(x_933);
-lean_dec(x_912);
-x_934 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_934, 0, x_933);
-lean_ctor_set(x_934, 1, x_892);
-return x_934;
+lean_object* x_640; lean_object* x_641; 
+lean_dec(x_615);
+x_640 = lean_ctor_get(x_619, 0);
+lean_inc(x_640);
+lean_dec(x_619);
+x_641 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_641, 0, x_640);
+lean_ctor_set(x_641, 1, x_600);
+return x_641;
 }
 }
 }
+}
+block_611:
+{
+lean_object* x_602; lean_object* x_603; uint8_t x_604; 
+lean_dec(x_601);
+x_602 = lean_unsigned_to_nat(0u);
+x_603 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_602, x_2, x_600);
+x_604 = !lean_is_exclusive(x_603);
+if (x_604 == 0)
+{
+lean_object* x_605; lean_object* x_606; 
+x_605 = lean_ctor_get(x_603, 0);
+x_606 = l_Lean_mkAppRev(x_599, x_605);
+lean_dec(x_605);
+lean_ctor_set(x_603, 0, x_606);
+return x_603;
+}
 else
 {
-lean_object* x_935; lean_object* x_936; 
-x_935 = lean_ctor_get(x_892, 1);
-lean_inc(x_935);
-x_936 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_935, x_907);
-lean_dec(x_935);
-if (lean_obj_tag(x_936) == 0)
-{
-lean_object* x_937; uint8_t x_938; 
-lean_inc(x_907);
-x_937 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_907, x_892);
-x_938 = !lean_is_exclusive(x_937);
-if (x_938 == 0)
-{
-lean_object* x_939; uint8_t x_940; 
-x_939 = lean_ctor_get(x_937, 1);
-x_940 = !lean_is_exclusive(x_939);
-if (x_940 == 0)
-{
-lean_object* x_941; lean_object* x_942; lean_object* x_943; 
-x_941 = lean_ctor_get(x_937, 0);
-x_942 = lean_ctor_get(x_939, 1);
-lean_inc(x_941);
-x_943 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_942, x_907, x_941);
-lean_ctor_set(x_939, 1, x_943);
-return x_937;
-}
-else
-{
-lean_object* x_944; lean_object* x_945; lean_object* x_946; lean_object* x_947; lean_object* x_948; 
-x_944 = lean_ctor_get(x_937, 0);
-x_945 = lean_ctor_get(x_939, 0);
-x_946 = lean_ctor_get(x_939, 1);
-lean_inc(x_946);
-lean_inc(x_945);
-lean_dec(x_939);
-lean_inc(x_944);
-x_947 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_946, x_907, x_944);
-x_948 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_948, 0, x_945);
-lean_ctor_set(x_948, 1, x_947);
-lean_ctor_set(x_937, 1, x_948);
-return x_937;
-}
-}
-else
-{
-lean_object* x_949; lean_object* x_950; lean_object* x_951; lean_object* x_952; lean_object* x_953; lean_object* x_954; lean_object* x_955; lean_object* x_956; 
-x_949 = lean_ctor_get(x_937, 1);
-x_950 = lean_ctor_get(x_937, 0);
-lean_inc(x_949);
-lean_inc(x_950);
-lean_dec(x_937);
-x_951 = lean_ctor_get(x_949, 0);
-lean_inc(x_951);
-x_952 = lean_ctor_get(x_949, 1);
-lean_inc(x_952);
-if (lean_is_exclusive(x_949)) {
- lean_ctor_release(x_949, 0);
- lean_ctor_release(x_949, 1);
- x_953 = x_949;
-} else {
- lean_dec_ref(x_949);
- x_953 = lean_box(0);
-}
-lean_inc(x_950);
-x_954 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_952, x_907, x_950);
-if (lean_is_scalar(x_953)) {
- x_955 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_955 = x_953;
-}
-lean_ctor_set(x_955, 0, x_951);
-lean_ctor_set(x_955, 1, x_954);
-x_956 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_956, 0, x_950);
-lean_ctor_set(x_956, 1, x_955);
-return x_956;
-}
-}
-else
-{
-lean_object* x_957; lean_object* x_958; 
-lean_dec(x_907);
-x_957 = lean_ctor_get(x_936, 0);
-lean_inc(x_957);
-lean_dec(x_936);
-x_958 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_958, 0, x_957);
-lean_ctor_set(x_958, 1, x_892);
-return x_958;
-}
-}
-}
-}
-block_903:
-{
-lean_object* x_894; lean_object* x_895; uint8_t x_896; 
-lean_dec(x_893);
-x_894 = lean_unsigned_to_nat(0u);
-x_895 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_894, x_2, x_892);
-x_896 = !lean_is_exclusive(x_895);
-if (x_896 == 0)
-{
-lean_object* x_897; lean_object* x_898; 
-x_897 = lean_ctor_get(x_895, 0);
-x_898 = l_Lean_mkAppRev(x_891, x_897);
-lean_dec(x_897);
-lean_ctor_set(x_895, 0, x_898);
-return x_895;
-}
-else
-{
-lean_object* x_899; lean_object* x_900; lean_object* x_901; lean_object* x_902; 
-x_899 = lean_ctor_get(x_895, 0);
-x_900 = lean_ctor_get(x_895, 1);
-lean_inc(x_900);
-lean_inc(x_899);
-lean_dec(x_895);
-x_901 = l_Lean_mkAppRev(x_891, x_899);
-lean_dec(x_899);
-x_902 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_902, 0, x_901);
-lean_ctor_set(x_902, 1, x_900);
-return x_902;
+lean_object* x_607; lean_object* x_608; lean_object* x_609; lean_object* x_610; 
+x_607 = lean_ctor_get(x_603, 0);
+x_608 = lean_ctor_get(x_603, 1);
+lean_inc(x_608);
+lean_inc(x_607);
+lean_dec(x_603);
+x_609 = l_Lean_mkAppRev(x_599, x_607);
+lean_dec(x_607);
+x_610 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_610, 0, x_609);
+lean_ctor_set(x_610, 1, x_608);
+return x_610;
 }
 }
 }
 }
 default: 
 {
-uint8_t x_988; lean_object* x_989; lean_object* x_990; uint8_t x_1058; 
-x_988 = l_Lean_Expr_isMVar(x_1);
-x_1058 = lean_expr_has_expr_mvar(x_1);
-if (x_1058 == 0)
+uint8_t x_657; lean_object* x_658; lean_object* x_659; uint8_t x_702; 
+x_657 = l_Lean_Expr_isMVar(x_1);
+x_702 = l_Lean_Expr_hasMVar(x_1);
+if (x_702 == 0)
 {
-uint8_t x_1059; 
-x_1059 = lean_expr_has_level_mvar(x_1);
-if (x_1059 == 0)
-{
-x_989 = x_1;
-x_990 = x_3;
-goto block_1057;
+x_658 = x_1;
+x_659 = x_3;
+goto block_701;
 }
 else
 {
-lean_object* x_1060; lean_object* x_1061; 
-x_1060 = lean_ctor_get(x_3, 1);
-lean_inc(x_1060);
-x_1061 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_1060, x_1);
-lean_dec(x_1060);
-if (lean_obj_tag(x_1061) == 0)
+lean_object* x_703; lean_object* x_704; 
+x_703 = lean_ctor_get(x_3, 1);
+lean_inc(x_703);
+x_704 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_703, x_1);
+lean_dec(x_703);
+if (lean_obj_tag(x_704) == 0)
 {
-lean_object* x_1062; lean_object* x_1063; lean_object* x_1064; uint8_t x_1065; 
+lean_object* x_705; lean_object* x_706; lean_object* x_707; uint8_t x_708; 
 lean_inc(x_1);
-x_1062 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_1063 = lean_ctor_get(x_1062, 1);
-lean_inc(x_1063);
-x_1064 = lean_ctor_get(x_1062, 0);
-lean_inc(x_1064);
-lean_dec(x_1062);
-x_1065 = !lean_is_exclusive(x_1063);
-if (x_1065 == 0)
+x_705 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
+x_706 = lean_ctor_get(x_705, 1);
+lean_inc(x_706);
+x_707 = lean_ctor_get(x_705, 0);
+lean_inc(x_707);
+lean_dec(x_705);
+x_708 = !lean_is_exclusive(x_706);
+if (x_708 == 0)
 {
-lean_object* x_1066; lean_object* x_1067; 
-x_1066 = lean_ctor_get(x_1063, 1);
-lean_inc(x_1064);
-x_1067 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1066, x_1, x_1064);
-lean_ctor_set(x_1063, 1, x_1067);
-x_989 = x_1064;
-x_990 = x_1063;
-goto block_1057;
+lean_object* x_709; lean_object* x_710; 
+x_709 = lean_ctor_get(x_706, 1);
+lean_inc(x_707);
+x_710 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_709, x_1, x_707);
+lean_ctor_set(x_706, 1, x_710);
+x_658 = x_707;
+x_659 = x_706;
+goto block_701;
 }
 else
 {
-lean_object* x_1068; lean_object* x_1069; lean_object* x_1070; lean_object* x_1071; 
-x_1068 = lean_ctor_get(x_1063, 0);
-x_1069 = lean_ctor_get(x_1063, 1);
-lean_inc(x_1069);
-lean_inc(x_1068);
-lean_dec(x_1063);
-lean_inc(x_1064);
-x_1070 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1069, x_1, x_1064);
-x_1071 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1071, 0, x_1068);
-lean_ctor_set(x_1071, 1, x_1070);
-x_989 = x_1064;
-x_990 = x_1071;
-goto block_1057;
+lean_object* x_711; lean_object* x_712; lean_object* x_713; lean_object* x_714; 
+x_711 = lean_ctor_get(x_706, 0);
+x_712 = lean_ctor_get(x_706, 1);
+lean_inc(x_712);
+lean_inc(x_711);
+lean_dec(x_706);
+lean_inc(x_707);
+x_713 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_712, x_1, x_707);
+x_714 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_714, 0, x_711);
+lean_ctor_set(x_714, 1, x_713);
+x_658 = x_707;
+x_659 = x_714;
+goto block_701;
 }
 }
 else
 {
-lean_object* x_1072; 
+lean_object* x_715; 
 lean_dec(x_1);
-x_1072 = lean_ctor_get(x_1061, 0);
-lean_inc(x_1072);
-lean_dec(x_1061);
-x_989 = x_1072;
-x_990 = x_3;
-goto block_1057;
+x_715 = lean_ctor_get(x_704, 0);
+lean_inc(x_715);
+lean_dec(x_704);
+x_658 = x_715;
+x_659 = x_3;
+goto block_701;
 }
 }
+block_701:
+{
+lean_object* x_660; 
+if (x_657 == 0)
+{
+lean_object* x_671; 
+x_671 = lean_box(0);
+x_660 = x_671;
+goto block_670;
+}
+else
+{
+uint8_t x_672; 
+x_672 = l_Lean_Expr_isLambda(x_658);
+if (x_672 == 0)
+{
+lean_object* x_673; 
+x_673 = lean_box(0);
+x_660 = x_673;
+goto block_670;
+}
+else
+{
+lean_object* x_674; uint8_t x_675; 
+x_674 = l_Lean_Expr_betaRev(x_658, x_2);
+lean_dec(x_658);
+x_675 = l_Lean_Expr_hasMVar(x_674);
+if (x_675 == 0)
+{
+lean_object* x_676; 
+x_676 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_676, 0, x_674);
+lean_ctor_set(x_676, 1, x_659);
+return x_676;
+}
+else
+{
+lean_object* x_677; lean_object* x_678; 
+x_677 = lean_ctor_get(x_659, 1);
+lean_inc(x_677);
+x_678 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_677, x_674);
+lean_dec(x_677);
+if (lean_obj_tag(x_678) == 0)
+{
+lean_object* x_679; uint8_t x_680; 
+lean_inc(x_674);
+x_679 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_674, x_659);
+x_680 = !lean_is_exclusive(x_679);
+if (x_680 == 0)
+{
+lean_object* x_681; uint8_t x_682; 
+x_681 = lean_ctor_get(x_679, 1);
+x_682 = !lean_is_exclusive(x_681);
+if (x_682 == 0)
+{
+lean_object* x_683; lean_object* x_684; lean_object* x_685; 
+x_683 = lean_ctor_get(x_679, 0);
+x_684 = lean_ctor_get(x_681, 1);
+lean_inc(x_683);
+x_685 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_684, x_674, x_683);
+lean_ctor_set(x_681, 1, x_685);
+return x_679;
+}
+else
+{
+lean_object* x_686; lean_object* x_687; lean_object* x_688; lean_object* x_689; lean_object* x_690; 
+x_686 = lean_ctor_get(x_679, 0);
+x_687 = lean_ctor_get(x_681, 0);
+x_688 = lean_ctor_get(x_681, 1);
+lean_inc(x_688);
+lean_inc(x_687);
+lean_dec(x_681);
+lean_inc(x_686);
+x_689 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_688, x_674, x_686);
+x_690 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_690, 0, x_687);
+lean_ctor_set(x_690, 1, x_689);
+lean_ctor_set(x_679, 1, x_690);
+return x_679;
+}
 }
 else
 {
-lean_object* x_1073; lean_object* x_1074; 
-x_1073 = lean_ctor_get(x_3, 1);
-lean_inc(x_1073);
-x_1074 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_1073, x_1);
-lean_dec(x_1073);
-if (lean_obj_tag(x_1074) == 0)
-{
-lean_object* x_1075; lean_object* x_1076; lean_object* x_1077; uint8_t x_1078; 
-lean_inc(x_1);
-x_1075 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1, x_3);
-x_1076 = lean_ctor_get(x_1075, 1);
-lean_inc(x_1076);
-x_1077 = lean_ctor_get(x_1075, 0);
-lean_inc(x_1077);
-lean_dec(x_1075);
-x_1078 = !lean_is_exclusive(x_1076);
-if (x_1078 == 0)
-{
-lean_object* x_1079; lean_object* x_1080; 
-x_1079 = lean_ctor_get(x_1076, 1);
-lean_inc(x_1077);
-x_1080 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1079, x_1, x_1077);
-lean_ctor_set(x_1076, 1, x_1080);
-x_989 = x_1077;
-x_990 = x_1076;
-goto block_1057;
-}
-else
-{
-lean_object* x_1081; lean_object* x_1082; lean_object* x_1083; lean_object* x_1084; 
-x_1081 = lean_ctor_get(x_1076, 0);
-x_1082 = lean_ctor_get(x_1076, 1);
-lean_inc(x_1082);
-lean_inc(x_1081);
-lean_dec(x_1076);
-lean_inc(x_1077);
-x_1083 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1082, x_1, x_1077);
-x_1084 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1084, 0, x_1081);
-lean_ctor_set(x_1084, 1, x_1083);
-x_989 = x_1077;
-x_990 = x_1084;
-goto block_1057;
-}
-}
-else
-{
-lean_object* x_1085; 
-lean_dec(x_1);
-x_1085 = lean_ctor_get(x_1074, 0);
-lean_inc(x_1085);
-lean_dec(x_1074);
-x_989 = x_1085;
-x_990 = x_3;
-goto block_1057;
-}
-}
-block_1057:
-{
-lean_object* x_991; 
-if (x_988 == 0)
-{
-lean_object* x_1002; 
-x_1002 = lean_box(0);
-x_991 = x_1002;
-goto block_1001;
-}
-else
-{
-uint8_t x_1003; 
-x_1003 = l_Lean_Expr_isLambda(x_989);
-if (x_1003 == 0)
-{
-lean_object* x_1004; 
-x_1004 = lean_box(0);
-x_991 = x_1004;
-goto block_1001;
-}
-else
-{
-lean_object* x_1005; uint8_t x_1006; 
-x_1005 = l_Lean_Expr_betaRev(x_989, x_2);
-lean_dec(x_989);
-x_1006 = lean_expr_has_expr_mvar(x_1005);
-if (x_1006 == 0)
-{
-uint8_t x_1007; 
-x_1007 = lean_expr_has_level_mvar(x_1005);
-if (x_1007 == 0)
-{
-lean_object* x_1008; 
-x_1008 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1008, 0, x_1005);
-lean_ctor_set(x_1008, 1, x_990);
-return x_1008;
-}
-else
-{
-lean_object* x_1009; lean_object* x_1010; 
-x_1009 = lean_ctor_get(x_990, 1);
-lean_inc(x_1009);
-x_1010 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_1009, x_1005);
-lean_dec(x_1009);
-if (lean_obj_tag(x_1010) == 0)
-{
-lean_object* x_1011; uint8_t x_1012; 
-lean_inc(x_1005);
-x_1011 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1005, x_990);
-x_1012 = !lean_is_exclusive(x_1011);
-if (x_1012 == 0)
-{
-lean_object* x_1013; uint8_t x_1014; 
-x_1013 = lean_ctor_get(x_1011, 1);
-x_1014 = !lean_is_exclusive(x_1013);
-if (x_1014 == 0)
-{
-lean_object* x_1015; lean_object* x_1016; lean_object* x_1017; 
-x_1015 = lean_ctor_get(x_1011, 0);
-x_1016 = lean_ctor_get(x_1013, 1);
-lean_inc(x_1015);
-x_1017 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1016, x_1005, x_1015);
-lean_ctor_set(x_1013, 1, x_1017);
-return x_1011;
-}
-else
-{
-lean_object* x_1018; lean_object* x_1019; lean_object* x_1020; lean_object* x_1021; lean_object* x_1022; 
-x_1018 = lean_ctor_get(x_1011, 0);
-x_1019 = lean_ctor_get(x_1013, 0);
-x_1020 = lean_ctor_get(x_1013, 1);
-lean_inc(x_1020);
-lean_inc(x_1019);
-lean_dec(x_1013);
-lean_inc(x_1018);
-x_1021 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1020, x_1005, x_1018);
-x_1022 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1022, 0, x_1019);
-lean_ctor_set(x_1022, 1, x_1021);
-lean_ctor_set(x_1011, 1, x_1022);
-return x_1011;
-}
-}
-else
-{
-lean_object* x_1023; lean_object* x_1024; lean_object* x_1025; lean_object* x_1026; lean_object* x_1027; lean_object* x_1028; lean_object* x_1029; lean_object* x_1030; 
-x_1023 = lean_ctor_get(x_1011, 1);
-x_1024 = lean_ctor_get(x_1011, 0);
-lean_inc(x_1023);
-lean_inc(x_1024);
-lean_dec(x_1011);
-x_1025 = lean_ctor_get(x_1023, 0);
-lean_inc(x_1025);
-x_1026 = lean_ctor_get(x_1023, 1);
-lean_inc(x_1026);
-if (lean_is_exclusive(x_1023)) {
- lean_ctor_release(x_1023, 0);
- lean_ctor_release(x_1023, 1);
- x_1027 = x_1023;
+lean_object* x_691; lean_object* x_692; lean_object* x_693; lean_object* x_694; lean_object* x_695; lean_object* x_696; lean_object* x_697; lean_object* x_698; 
+x_691 = lean_ctor_get(x_679, 1);
+x_692 = lean_ctor_get(x_679, 0);
+lean_inc(x_691);
+lean_inc(x_692);
+lean_dec(x_679);
+x_693 = lean_ctor_get(x_691, 0);
+lean_inc(x_693);
+x_694 = lean_ctor_get(x_691, 1);
+lean_inc(x_694);
+if (lean_is_exclusive(x_691)) {
+ lean_ctor_release(x_691, 0);
+ lean_ctor_release(x_691, 1);
+ x_695 = x_691;
 } else {
- lean_dec_ref(x_1023);
- x_1027 = lean_box(0);
+ lean_dec_ref(x_691);
+ x_695 = lean_box(0);
 }
-lean_inc(x_1024);
-x_1028 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1026, x_1005, x_1024);
-if (lean_is_scalar(x_1027)) {
- x_1029 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_692);
+x_696 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_694, x_674, x_692);
+if (lean_is_scalar(x_695)) {
+ x_697 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1029 = x_1027;
+ x_697 = x_695;
 }
-lean_ctor_set(x_1029, 0, x_1025);
-lean_ctor_set(x_1029, 1, x_1028);
-x_1030 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1030, 0, x_1024);
-lean_ctor_set(x_1030, 1, x_1029);
-return x_1030;
+lean_ctor_set(x_697, 0, x_693);
+lean_ctor_set(x_697, 1, x_696);
+x_698 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_698, 0, x_692);
+lean_ctor_set(x_698, 1, x_697);
+return x_698;
 }
 }
 else
 {
-lean_object* x_1031; lean_object* x_1032; 
-lean_dec(x_1005);
-x_1031 = lean_ctor_get(x_1010, 0);
-lean_inc(x_1031);
-lean_dec(x_1010);
-x_1032 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1032, 0, x_1031);
-lean_ctor_set(x_1032, 1, x_990);
-return x_1032;
+lean_object* x_699; lean_object* x_700; 
+lean_dec(x_674);
+x_699 = lean_ctor_get(x_678, 0);
+lean_inc(x_699);
+lean_dec(x_678);
+x_700 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_700, 0, x_699);
+lean_ctor_set(x_700, 1, x_659);
+return x_700;
 }
 }
 }
+}
+block_670:
+{
+lean_object* x_661; lean_object* x_662; uint8_t x_663; 
+lean_dec(x_660);
+x_661 = lean_unsigned_to_nat(0u);
+x_662 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_661, x_2, x_659);
+x_663 = !lean_is_exclusive(x_662);
+if (x_663 == 0)
+{
+lean_object* x_664; lean_object* x_665; 
+x_664 = lean_ctor_get(x_662, 0);
+x_665 = l_Lean_mkAppRev(x_658, x_664);
+lean_dec(x_664);
+lean_ctor_set(x_662, 0, x_665);
+return x_662;
+}
 else
 {
-lean_object* x_1033; lean_object* x_1034; 
-x_1033 = lean_ctor_get(x_990, 1);
-lean_inc(x_1033);
-x_1034 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_1033, x_1005);
-lean_dec(x_1033);
-if (lean_obj_tag(x_1034) == 0)
-{
-lean_object* x_1035; uint8_t x_1036; 
-lean_inc(x_1005);
-x_1035 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_1005, x_990);
-x_1036 = !lean_is_exclusive(x_1035);
-if (x_1036 == 0)
-{
-lean_object* x_1037; uint8_t x_1038; 
-x_1037 = lean_ctor_get(x_1035, 1);
-x_1038 = !lean_is_exclusive(x_1037);
-if (x_1038 == 0)
-{
-lean_object* x_1039; lean_object* x_1040; lean_object* x_1041; 
-x_1039 = lean_ctor_get(x_1035, 0);
-x_1040 = lean_ctor_get(x_1037, 1);
-lean_inc(x_1039);
-x_1041 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1040, x_1005, x_1039);
-lean_ctor_set(x_1037, 1, x_1041);
-return x_1035;
-}
-else
-{
-lean_object* x_1042; lean_object* x_1043; lean_object* x_1044; lean_object* x_1045; lean_object* x_1046; 
-x_1042 = lean_ctor_get(x_1035, 0);
-x_1043 = lean_ctor_get(x_1037, 0);
-x_1044 = lean_ctor_get(x_1037, 1);
-lean_inc(x_1044);
-lean_inc(x_1043);
-lean_dec(x_1037);
-lean_inc(x_1042);
-x_1045 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1044, x_1005, x_1042);
-x_1046 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1046, 0, x_1043);
-lean_ctor_set(x_1046, 1, x_1045);
-lean_ctor_set(x_1035, 1, x_1046);
-return x_1035;
-}
-}
-else
-{
-lean_object* x_1047; lean_object* x_1048; lean_object* x_1049; lean_object* x_1050; lean_object* x_1051; lean_object* x_1052; lean_object* x_1053; lean_object* x_1054; 
-x_1047 = lean_ctor_get(x_1035, 1);
-x_1048 = lean_ctor_get(x_1035, 0);
-lean_inc(x_1047);
-lean_inc(x_1048);
-lean_dec(x_1035);
-x_1049 = lean_ctor_get(x_1047, 0);
-lean_inc(x_1049);
-x_1050 = lean_ctor_get(x_1047, 1);
-lean_inc(x_1050);
-if (lean_is_exclusive(x_1047)) {
- lean_ctor_release(x_1047, 0);
- lean_ctor_release(x_1047, 1);
- x_1051 = x_1047;
-} else {
- lean_dec_ref(x_1047);
- x_1051 = lean_box(0);
-}
-lean_inc(x_1048);
-x_1052 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_1050, x_1005, x_1048);
-if (lean_is_scalar(x_1051)) {
- x_1053 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_1053 = x_1051;
-}
-lean_ctor_set(x_1053, 0, x_1049);
-lean_ctor_set(x_1053, 1, x_1052);
-x_1054 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1054, 0, x_1048);
-lean_ctor_set(x_1054, 1, x_1053);
-return x_1054;
-}
-}
-else
-{
-lean_object* x_1055; lean_object* x_1056; 
-lean_dec(x_1005);
-x_1055 = lean_ctor_get(x_1034, 0);
-lean_inc(x_1055);
-lean_dec(x_1034);
-x_1056 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1056, 0, x_1055);
-lean_ctor_set(x_1056, 1, x_990);
-return x_1056;
-}
-}
-}
-}
-block_1001:
-{
-lean_object* x_992; lean_object* x_993; uint8_t x_994; 
-lean_dec(x_991);
-x_992 = lean_unsigned_to_nat(0u);
-x_993 = l_Array_umapMAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__3(x_992, x_2, x_990);
-x_994 = !lean_is_exclusive(x_993);
-if (x_994 == 0)
-{
-lean_object* x_995; lean_object* x_996; 
-x_995 = lean_ctor_get(x_993, 0);
-x_996 = l_Lean_mkAppRev(x_989, x_995);
-lean_dec(x_995);
-lean_ctor_set(x_993, 0, x_996);
-return x_993;
-}
-else
-{
-lean_object* x_997; lean_object* x_998; lean_object* x_999; lean_object* x_1000; 
-x_997 = lean_ctor_get(x_993, 0);
-x_998 = lean_ctor_get(x_993, 1);
-lean_inc(x_998);
-lean_inc(x_997);
-lean_dec(x_993);
-x_999 = l_Lean_mkAppRev(x_989, x_997);
-lean_dec(x_997);
-x_1000 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1000, 0, x_999);
-lean_ctor_set(x_1000, 1, x_998);
-return x_1000;
+lean_object* x_666; lean_object* x_667; lean_object* x_668; lean_object* x_669; 
+x_666 = lean_ctor_get(x_662, 0);
+x_667 = lean_ctor_get(x_662, 1);
+lean_inc(x_667);
+lean_inc(x_666);
+lean_dec(x_662);
+x_668 = l_Lean_mkAppRev(x_658, x_666);
+lean_dec(x_666);
+x_669 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_669, 0, x_668);
+lean_ctor_set(x_669, 1, x_667);
+return x_669;
 }
 }
 }
@@ -13922,7 +11721,7 @@ goto block_14;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_85; 
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_77; 
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 lean_dec(x_38);
@@ -13933,555 +11732,344 @@ lean_inc(x_41);
 x_42 = lean_ctor_get(x_39, 2);
 lean_inc(x_42);
 lean_dec(x_39);
-x_85 = lean_expr_has_expr_mvar(x_42);
-if (x_85 == 0)
-{
-uint8_t x_86; 
-x_86 = lean_expr_has_level_mvar(x_42);
-if (x_86 == 0)
+x_77 = l_Lean_Expr_hasMVar(x_42);
+if (x_77 == 0)
 {
 lean_dec(x_35);
 x_43 = x_42;
 x_44 = x_2;
-goto block_84;
+goto block_76;
 }
 else
 {
-lean_object* x_87; 
-x_87 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_42);
+lean_object* x_78; 
+x_78 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_42);
 lean_dec(x_35);
-if (lean_obj_tag(x_87) == 0)
+if (lean_obj_tag(x_78) == 0)
 {
-lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
+lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
 lean_inc(x_42);
-x_88 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_42, x_2);
-x_89 = lean_ctor_get(x_88, 1);
+x_79 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_42, x_2);
+x_80 = lean_ctor_get(x_79, 1);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_79, 0);
+lean_inc(x_81);
+lean_dec(x_79);
+x_82 = !lean_is_exclusive(x_80);
+if (x_82 == 0)
+{
+lean_object* x_83; lean_object* x_84; 
+x_83 = lean_ctor_get(x_80, 1);
+lean_inc(x_81);
+x_84 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_83, x_42, x_81);
+lean_ctor_set(x_80, 1, x_84);
+x_43 = x_81;
+x_44 = x_80;
+goto block_76;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_85 = lean_ctor_get(x_80, 0);
+x_86 = lean_ctor_get(x_80, 1);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_dec(x_80);
+lean_inc(x_81);
+x_87 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_86, x_42, x_81);
+x_88 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_88, 0, x_85);
+lean_ctor_set(x_88, 1, x_87);
+x_43 = x_81;
+x_44 = x_88;
+goto block_76;
+}
+}
+else
+{
+lean_object* x_89; 
+lean_dec(x_42);
+x_89 = lean_ctor_get(x_78, 0);
 lean_inc(x_89);
-x_90 = lean_ctor_get(x_88, 0);
+lean_dec(x_78);
+x_43 = x_89;
+x_44 = x_2;
+goto block_76;
+}
+}
+block_76:
+{
+uint8_t x_45; 
+x_45 = l_Lean_Expr_hasMVar(x_43);
+if (x_45 == 0)
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_46 = lean_array_get_size(x_41);
+x_47 = lean_expr_abstract(x_43, x_41);
+lean_inc(x_40);
+x_48 = l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__1(x_40, x_41, x_46, x_47, x_44);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+if (lean_obj_tag(x_49) == 0)
+{
+lean_object* x_50; uint8_t x_51; 
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = !lean_is_exclusive(x_50);
+if (x_51 == 0)
+{
+lean_object* x_52; lean_object* x_53; 
+x_52 = lean_ctor_get(x_50, 0);
+x_53 = lean_metavar_ctx_assign_delayed(x_52, x_33, x_40, x_41, x_43);
+lean_ctor_set(x_50, 0, x_53);
+lean_inc(x_1);
+x_3 = x_1;
+x_4 = x_50;
+goto block_14;
+}
+else
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_54 = lean_ctor_get(x_50, 0);
+x_55 = lean_ctor_get(x_50, 1);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_50);
+x_56 = lean_metavar_ctx_assign_delayed(x_54, x_33, x_40, x_41, x_43);
+x_57 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_55);
+lean_inc(x_1);
+x_3 = x_1;
+x_4 = x_57;
+goto block_14;
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+lean_dec(x_43);
+lean_dec(x_41);
+lean_dec(x_40);
+x_58 = lean_ctor_get(x_48, 1);
+lean_inc(x_58);
+lean_dec(x_48);
+x_59 = lean_ctor_get(x_49, 0);
+lean_inc(x_59);
+lean_dec(x_49);
+x_60 = !lean_is_exclusive(x_58);
+if (x_60 == 0)
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_58, 0);
+lean_inc(x_33);
+x_62 = lean_metavar_ctx_erase_delayed(x_61, x_33);
+lean_inc(x_59);
+x_63 = lean_metavar_ctx_assign_expr(x_62, x_33, x_59);
+lean_ctor_set(x_58, 0, x_63);
+x_3 = x_59;
+x_4 = x_58;
+goto block_14;
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_64 = lean_ctor_get(x_58, 0);
+x_65 = lean_ctor_get(x_58, 1);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_dec(x_58);
+lean_inc(x_33);
+x_66 = lean_metavar_ctx_erase_delayed(x_64, x_33);
+lean_inc(x_59);
+x_67 = lean_metavar_ctx_assign_expr(x_66, x_33, x_59);
+x_68 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_65);
+x_3 = x_59;
+x_4 = x_68;
+goto block_14;
+}
+}
+}
+else
+{
+uint8_t x_69; 
+x_69 = !lean_is_exclusive(x_44);
+if (x_69 == 0)
+{
+lean_object* x_70; lean_object* x_71; 
+x_70 = lean_ctor_get(x_44, 0);
+x_71 = lean_metavar_ctx_assign_delayed(x_70, x_33, x_40, x_41, x_43);
+lean_ctor_set(x_44, 0, x_71);
+lean_inc(x_1);
+x_3 = x_1;
+x_4 = x_44;
+goto block_14;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_44, 0);
+x_73 = lean_ctor_get(x_44, 1);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_44);
+x_74 = lean_metavar_ctx_assign_delayed(x_72, x_33, x_40, x_41, x_43);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_73);
+lean_inc(x_1);
+x_3 = x_1;
+x_4 = x_75;
+goto block_14;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_90; uint8_t x_91; 
+x_90 = lean_ctor_get(x_37, 0);
 lean_inc(x_90);
-lean_dec(x_88);
-x_91 = !lean_is_exclusive(x_89);
+lean_dec(x_37);
+x_91 = l_Lean_Expr_hasMVar(x_90);
 if (x_91 == 0)
 {
-lean_object* x_92; lean_object* x_93; 
-x_92 = lean_ctor_get(x_89, 1);
+uint8_t x_92; 
+x_92 = !lean_is_exclusive(x_2);
+if (x_92 == 0)
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_93 = lean_ctor_get(x_2, 1);
+lean_dec(x_93);
+x_94 = lean_ctor_get(x_2, 0);
+lean_dec(x_94);
 lean_inc(x_90);
-x_93 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_92, x_42, x_90);
-lean_ctor_set(x_89, 1, x_93);
-x_43 = x_90;
-x_44 = x_89;
-goto block_84;
+x_95 = lean_metavar_ctx_assign_expr(x_34, x_33, x_90);
+lean_ctor_set(x_2, 0, x_95);
+x_3 = x_90;
+x_4 = x_2;
+goto block_14;
 }
 else
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_94 = lean_ctor_get(x_89, 0);
-x_95 = lean_ctor_get(x_89, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_89);
+lean_object* x_96; lean_object* x_97; 
+lean_dec(x_2);
 lean_inc(x_90);
-x_96 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_95, x_42, x_90);
+x_96 = lean_metavar_ctx_assign_expr(x_34, x_33, x_90);
 x_97 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_97, 0, x_94);
-lean_ctor_set(x_97, 1, x_96);
-x_43 = x_90;
-x_44 = x_97;
-goto block_84;
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_35);
+x_3 = x_90;
+x_4 = x_97;
+goto block_14;
 }
 }
 else
 {
 lean_object* x_98; 
-lean_dec(x_42);
-x_98 = lean_ctor_get(x_87, 0);
-lean_inc(x_98);
-lean_dec(x_87);
-x_43 = x_98;
-x_44 = x_2;
-goto block_84;
-}
-}
-}
-else
+x_98 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_90);
+if (lean_obj_tag(x_98) == 0)
 {
-lean_object* x_99; 
-x_99 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_42);
+lean_object* x_99; uint8_t x_100; 
 lean_dec(x_35);
-if (lean_obj_tag(x_99) == 0)
+lean_dec(x_34);
+lean_inc(x_2);
+lean_inc(x_90);
+x_99 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_90, x_2);
+x_100 = !lean_is_exclusive(x_2);
+if (x_100 == 0)
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-lean_inc(x_42);
-x_100 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_42, x_2);
-x_101 = lean_ctor_get(x_100, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 0);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = !lean_is_exclusive(x_101);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; 
-x_104 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-x_105 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_104, x_42, x_102);
-lean_ctor_set(x_101, 1, x_105);
-x_43 = x_102;
-x_44 = x_101;
-goto block_84;
-}
-else
-{
-lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
-x_106 = lean_ctor_get(x_101, 0);
-x_107 = lean_ctor_get(x_101, 1);
-lean_inc(x_107);
-lean_inc(x_106);
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+x_101 = lean_ctor_get(x_2, 1);
 lean_dec(x_101);
-lean_inc(x_102);
-x_108 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_107, x_42, x_102);
-x_109 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_109, 0, x_106);
-lean_ctor_set(x_109, 1, x_108);
-x_43 = x_102;
-x_44 = x_109;
-goto block_84;
-}
+x_102 = lean_ctor_get(x_2, 0);
+lean_dec(x_102);
+x_103 = lean_ctor_get(x_99, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_99, 1);
+lean_inc(x_104);
+lean_dec(x_99);
+x_105 = lean_ctor_get(x_104, 0);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_104, 1);
+lean_inc(x_106);
+lean_dec(x_104);
+lean_inc(x_103);
+x_107 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_106, x_90, x_103);
+lean_inc(x_103);
+x_108 = lean_metavar_ctx_assign_expr(x_105, x_33, x_103);
+lean_ctor_set(x_2, 1, x_107);
+lean_ctor_set(x_2, 0, x_108);
+x_3 = x_103;
+x_4 = x_2;
+goto block_14;
 }
 else
 {
-lean_object* x_110; 
-lean_dec(x_42);
-x_110 = lean_ctor_get(x_99, 0);
+lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+lean_dec(x_2);
+x_109 = lean_ctor_get(x_99, 0);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_99, 1);
 lean_inc(x_110);
 lean_dec(x_99);
-x_43 = x_110;
-x_44 = x_2;
-goto block_84;
-}
-}
-block_84:
-{
-uint8_t x_45; 
-x_45 = lean_expr_has_expr_mvar(x_43);
-if (x_45 == 0)
-{
-uint8_t x_46; 
-x_46 = lean_expr_has_level_mvar(x_43);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_47 = lean_array_get_size(x_41);
-x_48 = lean_expr_abstract(x_43, x_41);
-lean_inc(x_40);
-x_49 = l___private_Init_Lean_MetavarContext_5__instantiateDelayedAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__1(x_40, x_41, x_47, x_48, x_44);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-if (lean_obj_tag(x_50) == 0)
-{
-lean_object* x_51; uint8_t x_52; 
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_51, 0);
-x_54 = lean_metavar_ctx_assign_delayed(x_53, x_33, x_40, x_41, x_43);
-lean_ctor_set(x_51, 0, x_54);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_51;
-goto block_14;
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_55 = lean_ctor_get(x_51, 0);
-x_56 = lean_ctor_get(x_51, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_51);
-x_57 = lean_metavar_ctx_assign_delayed(x_55, x_33, x_40, x_41, x_43);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_56);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_58;
-goto block_14;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-lean_dec(x_43);
-lean_dec(x_41);
-lean_dec(x_40);
-x_59 = lean_ctor_get(x_49, 1);
-lean_inc(x_59);
-lean_dec(x_49);
-x_60 = lean_ctor_get(x_50, 0);
-lean_inc(x_60);
-lean_dec(x_50);
-x_61 = !lean_is_exclusive(x_59);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_59, 0);
-lean_inc(x_33);
-x_63 = lean_metavar_ctx_erase_delayed(x_62, x_33);
-lean_inc(x_60);
-x_64 = lean_metavar_ctx_assign_expr(x_63, x_33, x_60);
-lean_ctor_set(x_59, 0, x_64);
-x_3 = x_60;
-x_4 = x_59;
-goto block_14;
-}
-else
-{
-lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_65 = lean_ctor_get(x_59, 0);
-x_66 = lean_ctor_get(x_59, 1);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_dec(x_59);
-lean_inc(x_33);
-x_67 = lean_metavar_ctx_erase_delayed(x_65, x_33);
-lean_inc(x_60);
-x_68 = lean_metavar_ctx_assign_expr(x_67, x_33, x_60);
-x_69 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_69, 0, x_68);
-lean_ctor_set(x_69, 1, x_66);
-x_3 = x_60;
-x_4 = x_69;
-goto block_14;
-}
-}
-}
-else
-{
-uint8_t x_70; 
-x_70 = !lean_is_exclusive(x_44);
-if (x_70 == 0)
-{
-lean_object* x_71; lean_object* x_72; 
-x_71 = lean_ctor_get(x_44, 0);
-x_72 = lean_metavar_ctx_assign_delayed(x_71, x_33, x_40, x_41, x_43);
-lean_ctor_set(x_44, 0, x_72);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_44;
-goto block_14;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_73 = lean_ctor_get(x_44, 0);
-x_74 = lean_ctor_get(x_44, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_44);
-x_75 = lean_metavar_ctx_assign_delayed(x_73, x_33, x_40, x_41, x_43);
-x_76 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_74);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_76;
-goto block_14;
-}
-}
-}
-else
-{
-uint8_t x_77; 
-x_77 = !lean_is_exclusive(x_44);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_44, 0);
-x_79 = lean_metavar_ctx_assign_delayed(x_78, x_33, x_40, x_41, x_43);
-lean_ctor_set(x_44, 0, x_79);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_44;
-goto block_14;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_80 = lean_ctor_get(x_44, 0);
-x_81 = lean_ctor_get(x_44, 1);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_dec(x_44);
-x_82 = lean_metavar_ctx_assign_delayed(x_80, x_33, x_40, x_41, x_43);
-x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_81);
-lean_inc(x_1);
-x_3 = x_1;
-x_4 = x_83;
-goto block_14;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_37, 0);
+x_111 = lean_ctor_get(x_110, 0);
 lean_inc(x_111);
-lean_dec(x_37);
-x_112 = lean_expr_has_expr_mvar(x_111);
-if (x_112 == 0)
+x_112 = lean_ctor_get(x_110, 1);
+lean_inc(x_112);
+lean_dec(x_110);
+lean_inc(x_109);
+x_113 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_112, x_90, x_109);
+lean_inc(x_109);
+x_114 = lean_metavar_ctx_assign_expr(x_111, x_33, x_109);
+x_115 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_115, 0, x_114);
+lean_ctor_set(x_115, 1, x_113);
+x_3 = x_109;
+x_4 = x_115;
+goto block_14;
+}
+}
+else
 {
-uint8_t x_113; 
-x_113 = lean_expr_has_level_mvar(x_111);
-if (x_113 == 0)
+uint8_t x_116; 
+lean_dec(x_90);
+x_116 = !lean_is_exclusive(x_2);
+if (x_116 == 0)
 {
-uint8_t x_114; 
-x_114 = !lean_is_exclusive(x_2);
-if (x_114 == 0)
-{
-lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-x_115 = lean_ctor_get(x_2, 1);
-lean_dec(x_115);
-x_116 = lean_ctor_get(x_2, 0);
-lean_dec(x_116);
-lean_inc(x_111);
-x_117 = lean_metavar_ctx_assign_expr(x_34, x_33, x_111);
-lean_ctor_set(x_2, 0, x_117);
-x_3 = x_111;
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_117 = lean_ctor_get(x_2, 1);
+lean_dec(x_117);
+x_118 = lean_ctor_get(x_2, 0);
+lean_dec(x_118);
+x_119 = lean_ctor_get(x_98, 0);
+lean_inc(x_119);
+lean_dec(x_98);
+lean_inc(x_119);
+x_120 = lean_metavar_ctx_assign_expr(x_34, x_33, x_119);
+lean_ctor_set(x_2, 0, x_120);
+x_3 = x_119;
 x_4 = x_2;
 goto block_14;
 }
 else
 {
-lean_object* x_118; lean_object* x_119; 
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
 lean_dec(x_2);
-lean_inc(x_111);
-x_118 = lean_metavar_ctx_assign_expr(x_34, x_33, x_111);
-x_119 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_119, 0, x_118);
-lean_ctor_set(x_119, 1, x_35);
-x_3 = x_111;
-x_4 = x_119;
-goto block_14;
-}
-}
-else
-{
-lean_object* x_120; 
-x_120 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_111);
-if (lean_obj_tag(x_120) == 0)
-{
-lean_object* x_121; uint8_t x_122; 
-lean_dec(x_35);
-lean_dec(x_34);
-lean_inc(x_2);
-lean_inc(x_111);
-x_121 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_111, x_2);
-x_122 = !lean_is_exclusive(x_2);
-if (x_122 == 0)
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
-x_123 = lean_ctor_get(x_2, 1);
-lean_dec(x_123);
-x_124 = lean_ctor_get(x_2, 0);
-lean_dec(x_124);
-x_125 = lean_ctor_get(x_121, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_121, 1);
-lean_inc(x_126);
-lean_dec(x_121);
-x_127 = lean_ctor_get(x_126, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_126, 1);
-lean_inc(x_128);
-lean_dec(x_126);
-lean_inc(x_125);
-x_129 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_128, x_111, x_125);
-lean_inc(x_125);
-x_130 = lean_metavar_ctx_assign_expr(x_127, x_33, x_125);
-lean_ctor_set(x_2, 1, x_129);
-lean_ctor_set(x_2, 0, x_130);
-x_3 = x_125;
-x_4 = x_2;
-goto block_14;
-}
-else
-{
-lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-lean_dec(x_2);
-x_131 = lean_ctor_get(x_121, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_121, 1);
-lean_inc(x_132);
-lean_dec(x_121);
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
-lean_inc(x_134);
-lean_dec(x_132);
-lean_inc(x_131);
-x_135 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_134, x_111, x_131);
-lean_inc(x_131);
-x_136 = lean_metavar_ctx_assign_expr(x_133, x_33, x_131);
-x_137 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_137, 0, x_136);
-lean_ctor_set(x_137, 1, x_135);
-x_3 = x_131;
-x_4 = x_137;
-goto block_14;
-}
-}
-else
-{
-uint8_t x_138; 
-lean_dec(x_111);
-x_138 = !lean_is_exclusive(x_2);
-if (x_138 == 0)
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_139 = lean_ctor_get(x_2, 1);
-lean_dec(x_139);
-x_140 = lean_ctor_get(x_2, 0);
-lean_dec(x_140);
-x_141 = lean_ctor_get(x_120, 0);
-lean_inc(x_141);
-lean_dec(x_120);
-lean_inc(x_141);
-x_142 = lean_metavar_ctx_assign_expr(x_34, x_33, x_141);
-lean_ctor_set(x_2, 0, x_142);
-x_3 = x_141;
-x_4 = x_2;
-goto block_14;
-}
-else
-{
-lean_object* x_143; lean_object* x_144; lean_object* x_145; 
-lean_dec(x_2);
-x_143 = lean_ctor_get(x_120, 0);
-lean_inc(x_143);
-lean_dec(x_120);
-lean_inc(x_143);
-x_144 = lean_metavar_ctx_assign_expr(x_34, x_33, x_143);
-x_145 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_145, 0, x_144);
-lean_ctor_set(x_145, 1, x_35);
-x_3 = x_143;
-x_4 = x_145;
-goto block_14;
-}
-}
-}
-}
-else
-{
-lean_object* x_146; 
-x_146 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_35, x_111);
-if (lean_obj_tag(x_146) == 0)
-{
-lean_object* x_147; uint8_t x_148; 
-lean_dec(x_35);
-lean_dec(x_34);
-lean_inc(x_2);
-lean_inc(x_111);
-x_147 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_111, x_2);
-x_148 = !lean_is_exclusive(x_2);
-if (x_148 == 0)
-{
-lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-x_149 = lean_ctor_get(x_2, 1);
-lean_dec(x_149);
-x_150 = lean_ctor_get(x_2, 0);
-lean_dec(x_150);
-x_151 = lean_ctor_get(x_147, 0);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_147, 1);
-lean_inc(x_152);
-lean_dec(x_147);
-x_153 = lean_ctor_get(x_152, 0);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_152, 1);
-lean_inc(x_154);
-lean_dec(x_152);
-lean_inc(x_151);
-x_155 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_154, x_111, x_151);
-lean_inc(x_151);
-x_156 = lean_metavar_ctx_assign_expr(x_153, x_33, x_151);
-lean_ctor_set(x_2, 1, x_155);
-lean_ctor_set(x_2, 0, x_156);
-x_3 = x_151;
-x_4 = x_2;
-goto block_14;
-}
-else
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-lean_dec(x_2);
-x_157 = lean_ctor_get(x_147, 0);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_147, 1);
-lean_inc(x_158);
-lean_dec(x_147);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-lean_inc(x_157);
-x_161 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_160, x_111, x_157);
-lean_inc(x_157);
-x_162 = lean_metavar_ctx_assign_expr(x_159, x_33, x_157);
-x_163 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_163, 0, x_162);
-lean_ctor_set(x_163, 1, x_161);
-x_3 = x_157;
-x_4 = x_163;
-goto block_14;
-}
-}
-else
-{
-uint8_t x_164; 
-lean_dec(x_111);
-x_164 = !lean_is_exclusive(x_2);
-if (x_164 == 0)
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-x_165 = lean_ctor_get(x_2, 1);
-lean_dec(x_165);
-x_166 = lean_ctor_get(x_2, 0);
-lean_dec(x_166);
-x_167 = lean_ctor_get(x_146, 0);
-lean_inc(x_167);
-lean_dec(x_146);
-lean_inc(x_167);
-x_168 = lean_metavar_ctx_assign_expr(x_34, x_33, x_167);
-lean_ctor_set(x_2, 0, x_168);
-x_3 = x_167;
-x_4 = x_2;
-goto block_14;
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-lean_dec(x_2);
-x_169 = lean_ctor_get(x_146, 0);
-lean_inc(x_169);
-lean_dec(x_146);
-lean_inc(x_169);
-x_170 = lean_metavar_ctx_assign_expr(x_34, x_33, x_169);
-x_171 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_171, 0, x_170);
-lean_ctor_set(x_171, 1, x_35);
-x_3 = x_169;
-x_4 = x_171;
+x_121 = lean_ctor_get(x_98, 0);
+lean_inc(x_121);
+lean_dec(x_98);
+lean_inc(x_121);
+x_122 = lean_metavar_ctx_assign_expr(x_34, x_33, x_121);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_35);
+x_3 = x_121;
+x_4 = x_123;
 goto block_14;
 }
 }
@@ -14490,596 +12078,506 @@ goto block_14;
 }
 else
 {
-lean_object* x_172; lean_object* x_173; 
+lean_object* x_124; lean_object* x_125; 
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_1);
-x_172 = lean_ctor_get(x_36, 0);
-lean_inc(x_172);
+x_124 = lean_ctor_get(x_36, 0);
+lean_inc(x_124);
 lean_dec(x_36);
-x_173 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_173, 0, x_172);
-lean_ctor_set(x_173, 1, x_2);
-return x_173;
+x_125 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_125, 0, x_124);
+lean_ctor_set(x_125, 1, x_2);
+return x_125;
 }
 }
 case 3:
 {
-lean_object* x_174; uint8_t x_175; 
-x_174 = lean_ctor_get(x_1, 0);
-lean_inc(x_174);
-x_175 = !lean_is_exclusive(x_2);
-if (x_175 == 0)
+lean_object* x_126; uint8_t x_127; 
+x_126 = lean_ctor_get(x_1, 0);
+lean_inc(x_126);
+x_127 = !lean_is_exclusive(x_2);
+if (x_127 == 0)
 {
-lean_object* x_176; lean_object* x_177; uint8_t x_178; 
-x_176 = lean_ctor_get(x_2, 0);
-x_177 = l_Lean_MetavarContext_instantiateLevelMVars___main(x_174, x_176);
-x_178 = !lean_is_exclusive(x_177);
-if (x_178 == 0)
+lean_object* x_128; lean_object* x_129; uint8_t x_130; 
+x_128 = lean_ctor_get(x_2, 0);
+x_129 = l_Lean_MetavarContext_instantiateLevelMVars___main(x_126, x_128);
+x_130 = !lean_is_exclusive(x_129);
+if (x_130 == 0)
 {
-lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_179 = lean_ctor_get(x_177, 0);
-x_180 = lean_ctor_get(x_177, 1);
-lean_ctor_set(x_2, 0, x_180);
-x_181 = lean_expr_update_sort(x_1, x_179);
-lean_ctor_set(x_177, 1, x_2);
-lean_ctor_set(x_177, 0, x_181);
-return x_177;
+lean_object* x_131; lean_object* x_132; lean_object* x_133; 
+x_131 = lean_ctor_get(x_129, 0);
+x_132 = lean_ctor_get(x_129, 1);
+lean_ctor_set(x_2, 0, x_132);
+x_133 = lean_expr_update_sort(x_1, x_131);
+lean_ctor_set(x_129, 1, x_2);
+lean_ctor_set(x_129, 0, x_133);
+return x_129;
 }
 else
 {
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_182 = lean_ctor_get(x_177, 0);
-x_183 = lean_ctor_get(x_177, 1);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_dec(x_177);
-lean_ctor_set(x_2, 0, x_183);
-x_184 = lean_expr_update_sort(x_1, x_182);
-x_185 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_185, 0, x_184);
-lean_ctor_set(x_185, 1, x_2);
-return x_185;
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+x_134 = lean_ctor_get(x_129, 0);
+x_135 = lean_ctor_get(x_129, 1);
+lean_inc(x_135);
+lean_inc(x_134);
+lean_dec(x_129);
+lean_ctor_set(x_2, 0, x_135);
+x_136 = lean_expr_update_sort(x_1, x_134);
+x_137 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_2);
+return x_137;
 }
 }
 else
 {
-lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
-x_186 = lean_ctor_get(x_2, 0);
-x_187 = lean_ctor_get(x_2, 1);
-lean_inc(x_187);
-lean_inc(x_186);
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+x_138 = lean_ctor_get(x_2, 0);
+x_139 = lean_ctor_get(x_2, 1);
+lean_inc(x_139);
+lean_inc(x_138);
 lean_dec(x_2);
-x_188 = l_Lean_MetavarContext_instantiateLevelMVars___main(x_174, x_186);
-x_189 = lean_ctor_get(x_188, 0);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_188, 1);
-lean_inc(x_190);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- x_191 = x_188;
+x_140 = l_Lean_MetavarContext_instantiateLevelMVars___main(x_126, x_138);
+x_141 = lean_ctor_get(x_140, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_140, 1);
+lean_inc(x_142);
+if (lean_is_exclusive(x_140)) {
+ lean_ctor_release(x_140, 0);
+ lean_ctor_release(x_140, 1);
+ x_143 = x_140;
 } else {
- lean_dec_ref(x_188);
- x_191 = lean_box(0);
+ lean_dec_ref(x_140);
+ x_143 = lean_box(0);
 }
-x_192 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_192, 0, x_190);
-lean_ctor_set(x_192, 1, x_187);
-x_193 = lean_expr_update_sort(x_1, x_189);
-if (lean_is_scalar(x_191)) {
- x_194 = lean_alloc_ctor(0, 2, 0);
+x_144 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_144, 0, x_142);
+lean_ctor_set(x_144, 1, x_139);
+x_145 = lean_expr_update_sort(x_1, x_141);
+if (lean_is_scalar(x_143)) {
+ x_146 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_194 = x_191;
+ x_146 = x_143;
 }
-lean_ctor_set(x_194, 0, x_193);
-lean_ctor_set(x_194, 1, x_192);
-return x_194;
+lean_ctor_set(x_146, 0, x_145);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
 }
 }
 case 4:
 {
-lean_object* x_195; lean_object* x_196; uint8_t x_197; 
-x_195 = lean_ctor_get(x_1, 1);
-lean_inc(x_195);
-x_196 = l_List_mapM___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__2(x_195, x_2);
-x_197 = !lean_is_exclusive(x_196);
-if (x_197 == 0)
+lean_object* x_147; lean_object* x_148; uint8_t x_149; 
+x_147 = lean_ctor_get(x_1, 1);
+lean_inc(x_147);
+x_148 = l_List_mapM___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__2(x_147, x_2);
+x_149 = !lean_is_exclusive(x_148);
+if (x_149 == 0)
 {
-lean_object* x_198; lean_object* x_199; 
-x_198 = lean_ctor_get(x_196, 0);
-x_199 = lean_expr_update_const(x_1, x_198);
-lean_ctor_set(x_196, 0, x_199);
-return x_196;
+lean_object* x_150; lean_object* x_151; 
+x_150 = lean_ctor_get(x_148, 0);
+x_151 = lean_expr_update_const(x_1, x_150);
+lean_ctor_set(x_148, 0, x_151);
+return x_148;
 }
 else
 {
-lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get(x_196, 0);
-x_201 = lean_ctor_get(x_196, 1);
-lean_inc(x_201);
-lean_inc(x_200);
-lean_dec(x_196);
-x_202 = lean_expr_update_const(x_1, x_200);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_201);
-return x_203;
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_152 = lean_ctor_get(x_148, 0);
+x_153 = lean_ctor_get(x_148, 1);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_dec(x_148);
+x_154 = lean_expr_update_const(x_1, x_152);
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_154);
+lean_ctor_set(x_155, 1, x_153);
+return x_155;
 }
 }
 case 5:
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_204 = lean_unsigned_to_nat(0u);
-x_205 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_204);
-x_206 = lean_mk_empty_array_with_capacity(x_205);
-lean_dec(x_205);
-x_207 = l___private_Init_Lean_Expr_6__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(x_1, x_206, x_2);
-return x_207;
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_156 = lean_unsigned_to_nat(0u);
+x_157 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_156);
+x_158 = lean_mk_empty_array_with_capacity(x_157);
+lean_dec(x_157);
+x_159 = l___private_Init_Lean_Expr_5__withAppRevAux___main___at_Lean_MetavarContext_InstantiateExprMVars_main___main___spec__4(x_1, x_158, x_2);
+return x_159;
 }
 case 6:
 {
-lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; uint8_t x_251; 
-x_208 = lean_ctor_get(x_1, 1);
-lean_inc(x_208);
-x_209 = lean_ctor_get(x_1, 2);
-lean_inc(x_209);
-x_251 = lean_expr_has_expr_mvar(x_208);
-if (x_251 == 0)
+lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; uint8_t x_190; 
+x_160 = lean_ctor_get(x_1, 1);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_1, 2);
+lean_inc(x_161);
+x_190 = l_Lean_Expr_hasMVar(x_160);
+if (x_190 == 0)
 {
-uint8_t x_252; 
-x_252 = lean_expr_has_level_mvar(x_208);
-if (x_252 == 0)
-{
-x_210 = x_208;
-x_211 = x_2;
-goto block_250;
+x_162 = x_160;
+x_163 = x_2;
+goto block_189;
 }
 else
 {
-lean_object* x_253; lean_object* x_254; 
-x_253 = lean_ctor_get(x_2, 1);
-lean_inc(x_253);
-x_254 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_253, x_208);
-lean_dec(x_253);
-if (lean_obj_tag(x_254) == 0)
+lean_object* x_191; lean_object* x_192; 
+x_191 = lean_ctor_get(x_2, 1);
+lean_inc(x_191);
+x_192 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_191, x_160);
+lean_dec(x_191);
+if (lean_obj_tag(x_192) == 0)
 {
-lean_object* x_255; lean_object* x_256; lean_object* x_257; uint8_t x_258; 
-lean_inc(x_208);
-x_255 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_208, x_2);
-x_256 = lean_ctor_get(x_255, 1);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_255, 0);
-lean_inc(x_257);
-lean_dec(x_255);
-x_258 = !lean_is_exclusive(x_256);
-if (x_258 == 0)
+lean_object* x_193; lean_object* x_194; lean_object* x_195; uint8_t x_196; 
+lean_inc(x_160);
+x_193 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_160, x_2);
+x_194 = lean_ctor_get(x_193, 1);
+lean_inc(x_194);
+x_195 = lean_ctor_get(x_193, 0);
+lean_inc(x_195);
+lean_dec(x_193);
+x_196 = !lean_is_exclusive(x_194);
+if (x_196 == 0)
 {
-lean_object* x_259; lean_object* x_260; 
-x_259 = lean_ctor_get(x_256, 1);
-lean_inc(x_257);
-x_260 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_259, x_208, x_257);
-lean_ctor_set(x_256, 1, x_260);
-x_210 = x_257;
-x_211 = x_256;
-goto block_250;
+lean_object* x_197; lean_object* x_198; 
+x_197 = lean_ctor_get(x_194, 1);
+lean_inc(x_195);
+x_198 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_197, x_160, x_195);
+lean_ctor_set(x_194, 1, x_198);
+x_162 = x_195;
+x_163 = x_194;
+goto block_189;
 }
 else
 {
-lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; 
-x_261 = lean_ctor_get(x_256, 0);
-x_262 = lean_ctor_get(x_256, 1);
-lean_inc(x_262);
-lean_inc(x_261);
-lean_dec(x_256);
-lean_inc(x_257);
-x_263 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_262, x_208, x_257);
-x_264 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_264, 0, x_261);
-lean_ctor_set(x_264, 1, x_263);
-x_210 = x_257;
-x_211 = x_264;
-goto block_250;
+lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
+x_199 = lean_ctor_get(x_194, 0);
+x_200 = lean_ctor_get(x_194, 1);
+lean_inc(x_200);
+lean_inc(x_199);
+lean_dec(x_194);
+lean_inc(x_195);
+x_201 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_200, x_160, x_195);
+x_202 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_202, 0, x_199);
+lean_ctor_set(x_202, 1, x_201);
+x_162 = x_195;
+x_163 = x_202;
+goto block_189;
 }
 }
 else
 {
-lean_object* x_265; 
-lean_dec(x_208);
-x_265 = lean_ctor_get(x_254, 0);
-lean_inc(x_265);
-lean_dec(x_254);
-x_210 = x_265;
-x_211 = x_2;
-goto block_250;
+lean_object* x_203; 
+lean_dec(x_160);
+x_203 = lean_ctor_get(x_192, 0);
+lean_inc(x_203);
+lean_dec(x_192);
+x_162 = x_203;
+x_163 = x_2;
+goto block_189;
 }
 }
+block_189:
+{
+lean_object* x_164; lean_object* x_165; uint8_t x_175; 
+x_175 = l_Lean_Expr_hasMVar(x_161);
+if (x_175 == 0)
+{
+x_164 = x_161;
+x_165 = x_163;
+goto block_174;
+}
+else
+{
+lean_object* x_176; lean_object* x_177; 
+x_176 = lean_ctor_get(x_163, 1);
+lean_inc(x_176);
+x_177 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_176, x_161);
+lean_dec(x_176);
+if (lean_obj_tag(x_177) == 0)
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; 
+lean_inc(x_161);
+x_178 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_161, x_163);
+x_179 = lean_ctor_get(x_178, 1);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_178, 0);
+lean_inc(x_180);
+lean_dec(x_178);
+x_181 = !lean_is_exclusive(x_179);
+if (x_181 == 0)
+{
+lean_object* x_182; lean_object* x_183; 
+x_182 = lean_ctor_get(x_179, 1);
+lean_inc(x_180);
+x_183 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_182, x_161, x_180);
+lean_ctor_set(x_179, 1, x_183);
+x_164 = x_180;
+x_165 = x_179;
+goto block_174;
+}
+else
+{
+lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; 
+x_184 = lean_ctor_get(x_179, 0);
+x_185 = lean_ctor_get(x_179, 1);
+lean_inc(x_185);
+lean_inc(x_184);
+lean_dec(x_179);
+lean_inc(x_180);
+x_186 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_185, x_161, x_180);
+x_187 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_187, 0, x_184);
+lean_ctor_set(x_187, 1, x_186);
+x_164 = x_180;
+x_165 = x_187;
+goto block_174;
+}
 }
 else
 {
-lean_object* x_266; lean_object* x_267; 
-x_266 = lean_ctor_get(x_2, 1);
-lean_inc(x_266);
-x_267 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_266, x_208);
-lean_dec(x_266);
-if (lean_obj_tag(x_267) == 0)
-{
-lean_object* x_268; lean_object* x_269; lean_object* x_270; uint8_t x_271; 
-lean_inc(x_208);
-x_268 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_208, x_2);
-x_269 = lean_ctor_get(x_268, 1);
-lean_inc(x_269);
-x_270 = lean_ctor_get(x_268, 0);
-lean_inc(x_270);
-lean_dec(x_268);
-x_271 = !lean_is_exclusive(x_269);
-if (x_271 == 0)
-{
-lean_object* x_272; lean_object* x_273; 
-x_272 = lean_ctor_get(x_269, 1);
-lean_inc(x_270);
-x_273 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_272, x_208, x_270);
-lean_ctor_set(x_269, 1, x_273);
-x_210 = x_270;
-x_211 = x_269;
-goto block_250;
-}
-else
-{
-lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; 
-x_274 = lean_ctor_get(x_269, 0);
-x_275 = lean_ctor_get(x_269, 1);
-lean_inc(x_275);
-lean_inc(x_274);
-lean_dec(x_269);
-lean_inc(x_270);
-x_276 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_275, x_208, x_270);
-x_277 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_277, 0, x_274);
-lean_ctor_set(x_277, 1, x_276);
-x_210 = x_270;
-x_211 = x_277;
-goto block_250;
+lean_object* x_188; 
+lean_dec(x_161);
+x_188 = lean_ctor_get(x_177, 0);
+lean_inc(x_188);
+lean_dec(x_177);
+x_164 = x_188;
+x_165 = x_163;
+goto block_174;
 }
 }
-else
-{
-lean_object* x_278; 
-lean_dec(x_208);
-x_278 = lean_ctor_get(x_267, 0);
-lean_inc(x_278);
-lean_dec(x_267);
-x_210 = x_278;
-x_211 = x_2;
-goto block_250;
-}
-}
-block_250:
-{
-lean_object* x_212; lean_object* x_213; uint8_t x_222; 
-x_222 = lean_expr_has_expr_mvar(x_209);
-if (x_222 == 0)
-{
-uint8_t x_223; 
-x_223 = lean_expr_has_level_mvar(x_209);
-if (x_223 == 0)
-{
-x_212 = x_209;
-x_213 = x_211;
-goto block_221;
-}
-else
-{
-lean_object* x_224; lean_object* x_225; 
-x_224 = lean_ctor_get(x_211, 1);
-lean_inc(x_224);
-x_225 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_224, x_209);
-lean_dec(x_224);
-if (lean_obj_tag(x_225) == 0)
-{
-lean_object* x_226; lean_object* x_227; lean_object* x_228; uint8_t x_229; 
-lean_inc(x_209);
-x_226 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_209, x_211);
-x_227 = lean_ctor_get(x_226, 1);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_226, 0);
-lean_inc(x_228);
-lean_dec(x_226);
-x_229 = !lean_is_exclusive(x_227);
-if (x_229 == 0)
-{
-lean_object* x_230; lean_object* x_231; 
-x_230 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-x_231 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_230, x_209, x_228);
-lean_ctor_set(x_227, 1, x_231);
-x_212 = x_228;
-x_213 = x_227;
-goto block_221;
-}
-else
-{
-lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; 
-x_232 = lean_ctor_get(x_227, 0);
-x_233 = lean_ctor_get(x_227, 1);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_dec(x_227);
-lean_inc(x_228);
-x_234 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_233, x_209, x_228);
-x_235 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_235, 0, x_232);
-lean_ctor_set(x_235, 1, x_234);
-x_212 = x_228;
-x_213 = x_235;
-goto block_221;
-}
-}
-else
-{
-lean_object* x_236; 
-lean_dec(x_209);
-x_236 = lean_ctor_get(x_225, 0);
-lean_inc(x_236);
-lean_dec(x_225);
-x_212 = x_236;
-x_213 = x_211;
-goto block_221;
-}
-}
-}
-else
-{
-lean_object* x_237; lean_object* x_238; 
-x_237 = lean_ctor_get(x_211, 1);
-lean_inc(x_237);
-x_238 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_237, x_209);
-lean_dec(x_237);
-if (lean_obj_tag(x_238) == 0)
-{
-lean_object* x_239; lean_object* x_240; lean_object* x_241; uint8_t x_242; 
-lean_inc(x_209);
-x_239 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_209, x_211);
-x_240 = lean_ctor_get(x_239, 1);
-lean_inc(x_240);
-x_241 = lean_ctor_get(x_239, 0);
-lean_inc(x_241);
-lean_dec(x_239);
-x_242 = !lean_is_exclusive(x_240);
-if (x_242 == 0)
-{
-lean_object* x_243; lean_object* x_244; 
-x_243 = lean_ctor_get(x_240, 1);
-lean_inc(x_241);
-x_244 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_243, x_209, x_241);
-lean_ctor_set(x_240, 1, x_244);
-x_212 = x_241;
-x_213 = x_240;
-goto block_221;
-}
-else
-{
-lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
-x_245 = lean_ctor_get(x_240, 0);
-x_246 = lean_ctor_get(x_240, 1);
-lean_inc(x_246);
-lean_inc(x_245);
-lean_dec(x_240);
-lean_inc(x_241);
-x_247 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_246, x_209, x_241);
-x_248 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_248, 0, x_245);
-lean_ctor_set(x_248, 1, x_247);
-x_212 = x_241;
-x_213 = x_248;
-goto block_221;
-}
-}
-else
-{
-lean_object* x_249; 
-lean_dec(x_209);
-x_249 = lean_ctor_get(x_238, 0);
-lean_inc(x_249);
-lean_dec(x_238);
-x_212 = x_249;
-x_213 = x_211;
-goto block_221;
-}
-}
-block_221:
+block_174:
 {
 if (lean_obj_tag(x_1) == 6)
 {
-uint8_t x_214; lean_object* x_215; lean_object* x_216; 
-x_214 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_215 = lean_expr_update_lambda(x_1, x_214, x_210, x_212);
-x_216 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_216, 0, x_215);
-lean_ctor_set(x_216, 1, x_213);
-return x_216;
+uint64_t x_166; uint8_t x_167; lean_object* x_168; lean_object* x_169; 
+x_166 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_167 = (uint8_t)((x_166 << 24) >> 61);
+x_168 = lean_expr_update_lambda(x_1, x_167, x_162, x_164);
+x_169 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_169, 0, x_168);
+lean_ctor_set(x_169, 1, x_165);
+return x_169;
 }
 else
 {
-lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-lean_dec(x_212);
-lean_dec(x_210);
+lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+lean_dec(x_164);
+lean_dec(x_162);
 lean_dec(x_1);
-x_217 = l_Lean_Expr_inhabited;
-x_218 = l_Lean_Expr_updateLambdaE_x21___closed__1;
-x_219 = lean_panic_fn(x_218);
-x_220 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_220, 0, x_219);
-lean_ctor_set(x_220, 1, x_213);
-return x_220;
+x_170 = l_Lean_Expr_Inhabited;
+x_171 = l_Lean_Expr_updateLambdaE_x21___closed__1;
+x_172 = lean_panic_fn(x_171);
+x_173 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_173, 0, x_172);
+lean_ctor_set(x_173, 1, x_165);
+return x_173;
 }
 }
 }
 }
 case 7:
 {
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; uint8_t x_322; 
-x_279 = lean_ctor_get(x_1, 1);
-lean_inc(x_279);
-x_280 = lean_ctor_get(x_1, 2);
-lean_inc(x_280);
-x_322 = lean_expr_has_expr_mvar(x_279);
-if (x_322 == 0)
+lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; uint8_t x_234; 
+x_204 = lean_ctor_get(x_1, 1);
+lean_inc(x_204);
+x_205 = lean_ctor_get(x_1, 2);
+lean_inc(x_205);
+x_234 = l_Lean_Expr_hasMVar(x_204);
+if (x_234 == 0)
 {
-uint8_t x_323; 
-x_323 = lean_expr_has_level_mvar(x_279);
-if (x_323 == 0)
-{
-x_281 = x_279;
-x_282 = x_2;
-goto block_321;
+x_206 = x_204;
+x_207 = x_2;
+goto block_233;
 }
 else
 {
-lean_object* x_324; lean_object* x_325; 
-x_324 = lean_ctor_get(x_2, 1);
-lean_inc(x_324);
-x_325 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_324, x_279);
-lean_dec(x_324);
-if (lean_obj_tag(x_325) == 0)
+lean_object* x_235; lean_object* x_236; 
+x_235 = lean_ctor_get(x_2, 1);
+lean_inc(x_235);
+x_236 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_235, x_204);
+lean_dec(x_235);
+if (lean_obj_tag(x_236) == 0)
 {
-lean_object* x_326; lean_object* x_327; lean_object* x_328; uint8_t x_329; 
-lean_inc(x_279);
-x_326 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_279, x_2);
-x_327 = lean_ctor_get(x_326, 1);
-lean_inc(x_327);
-x_328 = lean_ctor_get(x_326, 0);
-lean_inc(x_328);
-lean_dec(x_326);
-x_329 = !lean_is_exclusive(x_327);
-if (x_329 == 0)
+lean_object* x_237; lean_object* x_238; lean_object* x_239; uint8_t x_240; 
+lean_inc(x_204);
+x_237 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_204, x_2);
+x_238 = lean_ctor_get(x_237, 1);
+lean_inc(x_238);
+x_239 = lean_ctor_get(x_237, 0);
+lean_inc(x_239);
+lean_dec(x_237);
+x_240 = !lean_is_exclusive(x_238);
+if (x_240 == 0)
 {
-lean_object* x_330; lean_object* x_331; 
-x_330 = lean_ctor_get(x_327, 1);
-lean_inc(x_328);
-x_331 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_330, x_279, x_328);
-lean_ctor_set(x_327, 1, x_331);
-x_281 = x_328;
-x_282 = x_327;
-goto block_321;
+lean_object* x_241; lean_object* x_242; 
+x_241 = lean_ctor_get(x_238, 1);
+lean_inc(x_239);
+x_242 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_241, x_204, x_239);
+lean_ctor_set(x_238, 1, x_242);
+x_206 = x_239;
+x_207 = x_238;
+goto block_233;
 }
 else
 {
-lean_object* x_332; lean_object* x_333; lean_object* x_334; lean_object* x_335; 
-x_332 = lean_ctor_get(x_327, 0);
-x_333 = lean_ctor_get(x_327, 1);
-lean_inc(x_333);
-lean_inc(x_332);
-lean_dec(x_327);
-lean_inc(x_328);
-x_334 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_333, x_279, x_328);
-x_335 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_335, 0, x_332);
-lean_ctor_set(x_335, 1, x_334);
-x_281 = x_328;
-x_282 = x_335;
-goto block_321;
+lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; 
+x_243 = lean_ctor_get(x_238, 0);
+x_244 = lean_ctor_get(x_238, 1);
+lean_inc(x_244);
+lean_inc(x_243);
+lean_dec(x_238);
+lean_inc(x_239);
+x_245 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_244, x_204, x_239);
+x_246 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_246, 0, x_243);
+lean_ctor_set(x_246, 1, x_245);
+x_206 = x_239;
+x_207 = x_246;
+goto block_233;
 }
 }
 else
 {
-lean_object* x_336; 
-lean_dec(x_279);
-x_336 = lean_ctor_get(x_325, 0);
-lean_inc(x_336);
-lean_dec(x_325);
-x_281 = x_336;
-x_282 = x_2;
-goto block_321;
+lean_object* x_247; 
+lean_dec(x_204);
+x_247 = lean_ctor_get(x_236, 0);
+lean_inc(x_247);
+lean_dec(x_236);
+x_206 = x_247;
+x_207 = x_2;
+goto block_233;
 }
 }
+block_233:
+{
+lean_object* x_208; lean_object* x_209; uint8_t x_219; 
+x_219 = l_Lean_Expr_hasMVar(x_205);
+if (x_219 == 0)
+{
+x_208 = x_205;
+x_209 = x_207;
+goto block_218;
+}
+else
+{
+lean_object* x_220; lean_object* x_221; 
+x_220 = lean_ctor_get(x_207, 1);
+lean_inc(x_220);
+x_221 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_220, x_205);
+lean_dec(x_220);
+if (lean_obj_tag(x_221) == 0)
+{
+lean_object* x_222; lean_object* x_223; lean_object* x_224; uint8_t x_225; 
+lean_inc(x_205);
+x_222 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_205, x_207);
+x_223 = lean_ctor_get(x_222, 1);
+lean_inc(x_223);
+x_224 = lean_ctor_get(x_222, 0);
+lean_inc(x_224);
+lean_dec(x_222);
+x_225 = !lean_is_exclusive(x_223);
+if (x_225 == 0)
+{
+lean_object* x_226; lean_object* x_227; 
+x_226 = lean_ctor_get(x_223, 1);
+lean_inc(x_224);
+x_227 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_226, x_205, x_224);
+lean_ctor_set(x_223, 1, x_227);
+x_208 = x_224;
+x_209 = x_223;
+goto block_218;
+}
+else
+{
+lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
+x_228 = lean_ctor_get(x_223, 0);
+x_229 = lean_ctor_get(x_223, 1);
+lean_inc(x_229);
+lean_inc(x_228);
+lean_dec(x_223);
+lean_inc(x_224);
+x_230 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_229, x_205, x_224);
+x_231 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_231, 0, x_228);
+lean_ctor_set(x_231, 1, x_230);
+x_208 = x_224;
+x_209 = x_231;
+goto block_218;
+}
 }
 else
 {
-lean_object* x_337; lean_object* x_338; 
-x_337 = lean_ctor_get(x_2, 1);
-lean_inc(x_337);
-x_338 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_337, x_279);
-lean_dec(x_337);
-if (lean_obj_tag(x_338) == 0)
+lean_object* x_232; 
+lean_dec(x_205);
+x_232 = lean_ctor_get(x_221, 0);
+lean_inc(x_232);
+lean_dec(x_221);
+x_208 = x_232;
+x_209 = x_207;
+goto block_218;
+}
+}
+block_218:
 {
-lean_object* x_339; lean_object* x_340; lean_object* x_341; uint8_t x_342; 
-lean_inc(x_279);
-x_339 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_279, x_2);
-x_340 = lean_ctor_get(x_339, 1);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_339, 0);
-lean_inc(x_341);
-lean_dec(x_339);
-x_342 = !lean_is_exclusive(x_340);
-if (x_342 == 0)
+if (lean_obj_tag(x_1) == 7)
 {
-lean_object* x_343; lean_object* x_344; 
-x_343 = lean_ctor_get(x_340, 1);
-lean_inc(x_341);
-x_344 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_343, x_279, x_341);
-lean_ctor_set(x_340, 1, x_344);
-x_281 = x_341;
-x_282 = x_340;
-goto block_321;
+uint64_t x_210; uint8_t x_211; lean_object* x_212; lean_object* x_213; 
+x_210 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_211 = (uint8_t)((x_210 << 24) >> 61);
+x_212 = lean_expr_update_forall(x_1, x_211, x_206, x_208);
+x_213 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_213, 0, x_212);
+lean_ctor_set(x_213, 1, x_209);
+return x_213;
 }
 else
 {
-lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; 
-x_345 = lean_ctor_get(x_340, 0);
-x_346 = lean_ctor_get(x_340, 1);
-lean_inc(x_346);
-lean_inc(x_345);
-lean_dec(x_340);
-lean_inc(x_341);
-x_347 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_346, x_279, x_341);
-x_348 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_348, 0, x_345);
-lean_ctor_set(x_348, 1, x_347);
-x_281 = x_341;
-x_282 = x_348;
-goto block_321;
+lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; 
+lean_dec(x_208);
+lean_dec(x_206);
+lean_dec(x_1);
+x_214 = l_Lean_Expr_Inhabited;
+x_215 = l_Lean_Expr_updateForallE_x21___closed__1;
+x_216 = lean_panic_fn(x_215);
+x_217 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_217, 0, x_216);
+lean_ctor_set(x_217, 1, x_209);
+return x_217;
 }
 }
-else
+}
+}
+case 8:
 {
-lean_object* x_349; 
-lean_dec(x_279);
-x_349 = lean_ctor_get(x_338, 0);
-lean_inc(x_349);
-lean_dec(x_338);
-x_281 = x_349;
-x_282 = x_2;
-goto block_321;
-}
-}
-block_321:
-{
-lean_object* x_283; lean_object* x_284; uint8_t x_293; 
-x_293 = lean_expr_has_expr_mvar(x_280);
-if (x_293 == 0)
-{
-uint8_t x_294; 
-x_294 = lean_expr_has_level_mvar(x_280);
+lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_294; 
+x_248 = lean_ctor_get(x_1, 1);
+lean_inc(x_248);
+x_249 = lean_ctor_get(x_1, 2);
+lean_inc(x_249);
+x_250 = lean_ctor_get(x_1, 3);
+lean_inc(x_250);
+x_294 = l_Lean_Expr_hasMVar(x_248);
 if (x_294 == 0)
 {
-x_283 = x_280;
-x_284 = x_282;
-goto block_292;
+x_251 = x_248;
+x_252 = x_2;
+goto block_293;
 }
 else
 {
 lean_object* x_295; lean_object* x_296; 
-x_295 = lean_ctor_get(x_282, 1);
+x_295 = lean_ctor_get(x_2, 1);
 lean_inc(x_295);
-x_296 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_295, x_280);
+x_296 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_295, x_248);
 lean_dec(x_295);
 if (lean_obj_tag(x_296) == 0)
 {
 lean_object* x_297; lean_object* x_298; lean_object* x_299; uint8_t x_300; 
-lean_inc(x_280);
-x_297 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_280, x_282);
+lean_inc(x_248);
+x_297 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_248, x_2);
 x_298 = lean_ctor_get(x_297, 1);
 lean_inc(x_298);
 x_299 = lean_ctor_get(x_297, 0);
@@ -15091,11 +12589,11 @@ if (x_300 == 0)
 lean_object* x_301; lean_object* x_302; 
 x_301 = lean_ctor_get(x_298, 1);
 lean_inc(x_299);
-x_302 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_301, x_280, x_299);
+x_302 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_301, x_248, x_299);
 lean_ctor_set(x_298, 1, x_302);
-x_283 = x_299;
-x_284 = x_298;
-goto block_292;
+x_251 = x_299;
+x_252 = x_298;
+goto block_293;
 }
 else
 {
@@ -15106,546 +12604,190 @@ lean_inc(x_304);
 lean_inc(x_303);
 lean_dec(x_298);
 lean_inc(x_299);
-x_305 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_304, x_280, x_299);
+x_305 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_304, x_248, x_299);
 x_306 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_306, 0, x_303);
 lean_ctor_set(x_306, 1, x_305);
-x_283 = x_299;
-x_284 = x_306;
-goto block_292;
+x_251 = x_299;
+x_252 = x_306;
+goto block_293;
 }
 }
 else
 {
 lean_object* x_307; 
-lean_dec(x_280);
+lean_dec(x_248);
 x_307 = lean_ctor_get(x_296, 0);
 lean_inc(x_307);
 lean_dec(x_296);
-x_283 = x_307;
-x_284 = x_282;
-goto block_292;
+x_251 = x_307;
+x_252 = x_2;
+goto block_293;
 }
 }
+block_293:
+{
+lean_object* x_253; lean_object* x_254; uint8_t x_279; 
+x_279 = l_Lean_Expr_hasMVar(x_249);
+if (x_279 == 0)
+{
+x_253 = x_249;
+x_254 = x_252;
+goto block_278;
 }
 else
 {
-lean_object* x_308; lean_object* x_309; 
-x_308 = lean_ctor_get(x_282, 1);
-lean_inc(x_308);
-x_309 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_308, x_280);
-lean_dec(x_308);
-if (lean_obj_tag(x_309) == 0)
-{
-lean_object* x_310; lean_object* x_311; lean_object* x_312; uint8_t x_313; 
+lean_object* x_280; lean_object* x_281; 
+x_280 = lean_ctor_get(x_252, 1);
 lean_inc(x_280);
-x_310 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_280, x_282);
-x_311 = lean_ctor_get(x_310, 1);
-lean_inc(x_311);
-x_312 = lean_ctor_get(x_310, 0);
-lean_inc(x_312);
-lean_dec(x_310);
-x_313 = !lean_is_exclusive(x_311);
-if (x_313 == 0)
-{
-lean_object* x_314; lean_object* x_315; 
-x_314 = lean_ctor_get(x_311, 1);
-lean_inc(x_312);
-x_315 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_314, x_280, x_312);
-lean_ctor_set(x_311, 1, x_315);
-x_283 = x_312;
-x_284 = x_311;
-goto block_292;
-}
-else
-{
-lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; 
-x_316 = lean_ctor_get(x_311, 0);
-x_317 = lean_ctor_get(x_311, 1);
-lean_inc(x_317);
-lean_inc(x_316);
-lean_dec(x_311);
-lean_inc(x_312);
-x_318 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_317, x_280, x_312);
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_316);
-lean_ctor_set(x_319, 1, x_318);
-x_283 = x_312;
-x_284 = x_319;
-goto block_292;
-}
-}
-else
-{
-lean_object* x_320; 
+x_281 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_280, x_249);
 lean_dec(x_280);
-x_320 = lean_ctor_get(x_309, 0);
-lean_inc(x_320);
-lean_dec(x_309);
-x_283 = x_320;
-x_284 = x_282;
-goto block_292;
-}
-}
-block_292:
+if (lean_obj_tag(x_281) == 0)
 {
-if (lean_obj_tag(x_1) == 7)
+lean_object* x_282; lean_object* x_283; lean_object* x_284; uint8_t x_285; 
+lean_inc(x_249);
+x_282 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_249, x_252);
+x_283 = lean_ctor_get(x_282, 1);
+lean_inc(x_283);
+x_284 = lean_ctor_get(x_282, 0);
+lean_inc(x_284);
+lean_dec(x_282);
+x_285 = !lean_is_exclusive(x_283);
+if (x_285 == 0)
 {
-uint8_t x_285; lean_object* x_286; lean_object* x_287; 
-x_285 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
-x_286 = lean_expr_update_forall(x_1, x_285, x_281, x_283);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_286);
-lean_ctor_set(x_287, 1, x_284);
-return x_287;
+lean_object* x_286; lean_object* x_287; 
+x_286 = lean_ctor_get(x_283, 1);
+lean_inc(x_284);
+x_287 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_286, x_249, x_284);
+lean_ctor_set(x_283, 1, x_287);
+x_253 = x_284;
+x_254 = x_283;
+goto block_278;
 }
 else
 {
 lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; 
+x_288 = lean_ctor_get(x_283, 0);
+x_289 = lean_ctor_get(x_283, 1);
+lean_inc(x_289);
+lean_inc(x_288);
 lean_dec(x_283);
-lean_dec(x_281);
-lean_dec(x_1);
-x_288 = l_Lean_Expr_inhabited;
-x_289 = l_Lean_Expr_updateForallE_x21___closed__1;
-x_290 = lean_panic_fn(x_289);
+lean_inc(x_284);
+x_290 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_289, x_249, x_284);
 x_291 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_291, 0, x_290);
-lean_ctor_set(x_291, 1, x_284);
-return x_291;
-}
-}
-}
-}
-case 8:
-{
-lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; uint8_t x_424; 
-x_350 = lean_ctor_get(x_1, 1);
-lean_inc(x_350);
-x_351 = lean_ctor_get(x_1, 2);
-lean_inc(x_351);
-x_352 = lean_ctor_get(x_1, 3);
-lean_inc(x_352);
-x_424 = lean_expr_has_expr_mvar(x_350);
-if (x_424 == 0)
-{
-uint8_t x_425; 
-x_425 = lean_expr_has_level_mvar(x_350);
-if (x_425 == 0)
-{
-x_353 = x_350;
-x_354 = x_2;
-goto block_423;
-}
-else
-{
-lean_object* x_426; lean_object* x_427; 
-x_426 = lean_ctor_get(x_2, 1);
-lean_inc(x_426);
-x_427 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_426, x_350);
-lean_dec(x_426);
-if (lean_obj_tag(x_427) == 0)
-{
-lean_object* x_428; lean_object* x_429; lean_object* x_430; uint8_t x_431; 
-lean_inc(x_350);
-x_428 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_350, x_2);
-x_429 = lean_ctor_get(x_428, 1);
-lean_inc(x_429);
-x_430 = lean_ctor_get(x_428, 0);
-lean_inc(x_430);
-lean_dec(x_428);
-x_431 = !lean_is_exclusive(x_429);
-if (x_431 == 0)
-{
-lean_object* x_432; lean_object* x_433; 
-x_432 = lean_ctor_get(x_429, 1);
-lean_inc(x_430);
-x_433 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_432, x_350, x_430);
-lean_ctor_set(x_429, 1, x_433);
-x_353 = x_430;
-x_354 = x_429;
-goto block_423;
-}
-else
-{
-lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; 
-x_434 = lean_ctor_get(x_429, 0);
-x_435 = lean_ctor_get(x_429, 1);
-lean_inc(x_435);
-lean_inc(x_434);
-lean_dec(x_429);
-lean_inc(x_430);
-x_436 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_435, x_350, x_430);
-x_437 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_437, 0, x_434);
-lean_ctor_set(x_437, 1, x_436);
-x_353 = x_430;
-x_354 = x_437;
-goto block_423;
+lean_ctor_set(x_291, 0, x_288);
+lean_ctor_set(x_291, 1, x_290);
+x_253 = x_284;
+x_254 = x_291;
+goto block_278;
 }
 }
 else
 {
-lean_object* x_438; 
-lean_dec(x_350);
-x_438 = lean_ctor_get(x_427, 0);
-lean_inc(x_438);
-lean_dec(x_427);
-x_353 = x_438;
-x_354 = x_2;
-goto block_423;
+lean_object* x_292; 
+lean_dec(x_249);
+x_292 = lean_ctor_get(x_281, 0);
+lean_inc(x_292);
+lean_dec(x_281);
+x_253 = x_292;
+x_254 = x_252;
+goto block_278;
 }
 }
+block_278:
+{
+lean_object* x_255; lean_object* x_256; uint8_t x_264; 
+x_264 = l_Lean_Expr_hasMVar(x_250);
+if (x_264 == 0)
+{
+x_255 = x_250;
+x_256 = x_254;
+goto block_263;
+}
+else
+{
+lean_object* x_265; lean_object* x_266; 
+x_265 = lean_ctor_get(x_254, 1);
+lean_inc(x_265);
+x_266 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_265, x_250);
+lean_dec(x_265);
+if (lean_obj_tag(x_266) == 0)
+{
+lean_object* x_267; lean_object* x_268; lean_object* x_269; uint8_t x_270; 
+lean_inc(x_250);
+x_267 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_250, x_254);
+x_268 = lean_ctor_get(x_267, 1);
+lean_inc(x_268);
+x_269 = lean_ctor_get(x_267, 0);
+lean_inc(x_269);
+lean_dec(x_267);
+x_270 = !lean_is_exclusive(x_268);
+if (x_270 == 0)
+{
+lean_object* x_271; lean_object* x_272; 
+x_271 = lean_ctor_get(x_268, 1);
+lean_inc(x_269);
+x_272 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_271, x_250, x_269);
+lean_ctor_set(x_268, 1, x_272);
+x_255 = x_269;
+x_256 = x_268;
+goto block_263;
+}
+else
+{
+lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
+x_273 = lean_ctor_get(x_268, 0);
+x_274 = lean_ctor_get(x_268, 1);
+lean_inc(x_274);
+lean_inc(x_273);
+lean_dec(x_268);
+lean_inc(x_269);
+x_275 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_274, x_250, x_269);
+x_276 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_276, 0, x_273);
+lean_ctor_set(x_276, 1, x_275);
+x_255 = x_269;
+x_256 = x_276;
+goto block_263;
+}
 }
 else
 {
-lean_object* x_439; lean_object* x_440; 
-x_439 = lean_ctor_get(x_2, 1);
-lean_inc(x_439);
-x_440 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_439, x_350);
-lean_dec(x_439);
-if (lean_obj_tag(x_440) == 0)
-{
-lean_object* x_441; lean_object* x_442; lean_object* x_443; uint8_t x_444; 
-lean_inc(x_350);
-x_441 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_350, x_2);
-x_442 = lean_ctor_get(x_441, 1);
-lean_inc(x_442);
-x_443 = lean_ctor_get(x_441, 0);
-lean_inc(x_443);
-lean_dec(x_441);
-x_444 = !lean_is_exclusive(x_442);
-if (x_444 == 0)
-{
-lean_object* x_445; lean_object* x_446; 
-x_445 = lean_ctor_get(x_442, 1);
-lean_inc(x_443);
-x_446 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_445, x_350, x_443);
-lean_ctor_set(x_442, 1, x_446);
-x_353 = x_443;
-x_354 = x_442;
-goto block_423;
-}
-else
-{
-lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; 
-x_447 = lean_ctor_get(x_442, 0);
-x_448 = lean_ctor_get(x_442, 1);
-lean_inc(x_448);
-lean_inc(x_447);
-lean_dec(x_442);
-lean_inc(x_443);
-x_449 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_448, x_350, x_443);
-x_450 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_450, 0, x_447);
-lean_ctor_set(x_450, 1, x_449);
-x_353 = x_443;
-x_354 = x_450;
-goto block_423;
+lean_object* x_277; 
+lean_dec(x_250);
+x_277 = lean_ctor_get(x_266, 0);
+lean_inc(x_277);
+lean_dec(x_266);
+x_255 = x_277;
+x_256 = x_254;
+goto block_263;
 }
 }
-else
-{
-lean_object* x_451; 
-lean_dec(x_350);
-x_451 = lean_ctor_get(x_440, 0);
-lean_inc(x_451);
-lean_dec(x_440);
-x_353 = x_451;
-x_354 = x_2;
-goto block_423;
-}
-}
-block_423:
-{
-lean_object* x_355; lean_object* x_356; uint8_t x_395; 
-x_395 = lean_expr_has_expr_mvar(x_351);
-if (x_395 == 0)
-{
-uint8_t x_396; 
-x_396 = lean_expr_has_level_mvar(x_351);
-if (x_396 == 0)
-{
-x_355 = x_351;
-x_356 = x_354;
-goto block_394;
-}
-else
-{
-lean_object* x_397; lean_object* x_398; 
-x_397 = lean_ctor_get(x_354, 1);
-lean_inc(x_397);
-x_398 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_397, x_351);
-lean_dec(x_397);
-if (lean_obj_tag(x_398) == 0)
-{
-lean_object* x_399; lean_object* x_400; lean_object* x_401; uint8_t x_402; 
-lean_inc(x_351);
-x_399 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_351, x_354);
-x_400 = lean_ctor_get(x_399, 1);
-lean_inc(x_400);
-x_401 = lean_ctor_get(x_399, 0);
-lean_inc(x_401);
-lean_dec(x_399);
-x_402 = !lean_is_exclusive(x_400);
-if (x_402 == 0)
-{
-lean_object* x_403; lean_object* x_404; 
-x_403 = lean_ctor_get(x_400, 1);
-lean_inc(x_401);
-x_404 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_403, x_351, x_401);
-lean_ctor_set(x_400, 1, x_404);
-x_355 = x_401;
-x_356 = x_400;
-goto block_394;
-}
-else
-{
-lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; 
-x_405 = lean_ctor_get(x_400, 0);
-x_406 = lean_ctor_get(x_400, 1);
-lean_inc(x_406);
-lean_inc(x_405);
-lean_dec(x_400);
-lean_inc(x_401);
-x_407 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_406, x_351, x_401);
-x_408 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_408, 0, x_405);
-lean_ctor_set(x_408, 1, x_407);
-x_355 = x_401;
-x_356 = x_408;
-goto block_394;
-}
-}
-else
-{
-lean_object* x_409; 
-lean_dec(x_351);
-x_409 = lean_ctor_get(x_398, 0);
-lean_inc(x_409);
-lean_dec(x_398);
-x_355 = x_409;
-x_356 = x_354;
-goto block_394;
-}
-}
-}
-else
-{
-lean_object* x_410; lean_object* x_411; 
-x_410 = lean_ctor_get(x_354, 1);
-lean_inc(x_410);
-x_411 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_410, x_351);
-lean_dec(x_410);
-if (lean_obj_tag(x_411) == 0)
-{
-lean_object* x_412; lean_object* x_413; lean_object* x_414; uint8_t x_415; 
-lean_inc(x_351);
-x_412 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_351, x_354);
-x_413 = lean_ctor_get(x_412, 1);
-lean_inc(x_413);
-x_414 = lean_ctor_get(x_412, 0);
-lean_inc(x_414);
-lean_dec(x_412);
-x_415 = !lean_is_exclusive(x_413);
-if (x_415 == 0)
-{
-lean_object* x_416; lean_object* x_417; 
-x_416 = lean_ctor_get(x_413, 1);
-lean_inc(x_414);
-x_417 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_416, x_351, x_414);
-lean_ctor_set(x_413, 1, x_417);
-x_355 = x_414;
-x_356 = x_413;
-goto block_394;
-}
-else
-{
-lean_object* x_418; lean_object* x_419; lean_object* x_420; lean_object* x_421; 
-x_418 = lean_ctor_get(x_413, 0);
-x_419 = lean_ctor_get(x_413, 1);
-lean_inc(x_419);
-lean_inc(x_418);
-lean_dec(x_413);
-lean_inc(x_414);
-x_420 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_419, x_351, x_414);
-x_421 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_421, 0, x_418);
-lean_ctor_set(x_421, 1, x_420);
-x_355 = x_414;
-x_356 = x_421;
-goto block_394;
-}
-}
-else
-{
-lean_object* x_422; 
-lean_dec(x_351);
-x_422 = lean_ctor_get(x_411, 0);
-lean_inc(x_422);
-lean_dec(x_411);
-x_355 = x_422;
-x_356 = x_354;
-goto block_394;
-}
-}
-block_394:
-{
-lean_object* x_357; lean_object* x_358; uint8_t x_366; 
-x_366 = lean_expr_has_expr_mvar(x_352);
-if (x_366 == 0)
-{
-uint8_t x_367; 
-x_367 = lean_expr_has_level_mvar(x_352);
-if (x_367 == 0)
-{
-x_357 = x_352;
-x_358 = x_356;
-goto block_365;
-}
-else
-{
-lean_object* x_368; lean_object* x_369; 
-x_368 = lean_ctor_get(x_356, 1);
-lean_inc(x_368);
-x_369 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_368, x_352);
-lean_dec(x_368);
-if (lean_obj_tag(x_369) == 0)
-{
-lean_object* x_370; lean_object* x_371; lean_object* x_372; uint8_t x_373; 
-lean_inc(x_352);
-x_370 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_352, x_356);
-x_371 = lean_ctor_get(x_370, 1);
-lean_inc(x_371);
-x_372 = lean_ctor_get(x_370, 0);
-lean_inc(x_372);
-lean_dec(x_370);
-x_373 = !lean_is_exclusive(x_371);
-if (x_373 == 0)
-{
-lean_object* x_374; lean_object* x_375; 
-x_374 = lean_ctor_get(x_371, 1);
-lean_inc(x_372);
-x_375 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_374, x_352, x_372);
-lean_ctor_set(x_371, 1, x_375);
-x_357 = x_372;
-x_358 = x_371;
-goto block_365;
-}
-else
-{
-lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; 
-x_376 = lean_ctor_get(x_371, 0);
-x_377 = lean_ctor_get(x_371, 1);
-lean_inc(x_377);
-lean_inc(x_376);
-lean_dec(x_371);
-lean_inc(x_372);
-x_378 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_377, x_352, x_372);
-x_379 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_379, 0, x_376);
-lean_ctor_set(x_379, 1, x_378);
-x_357 = x_372;
-x_358 = x_379;
-goto block_365;
-}
-}
-else
-{
-lean_object* x_380; 
-lean_dec(x_352);
-x_380 = lean_ctor_get(x_369, 0);
-lean_inc(x_380);
-lean_dec(x_369);
-x_357 = x_380;
-x_358 = x_356;
-goto block_365;
-}
-}
-}
-else
-{
-lean_object* x_381; lean_object* x_382; 
-x_381 = lean_ctor_get(x_356, 1);
-lean_inc(x_381);
-x_382 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_381, x_352);
-lean_dec(x_381);
-if (lean_obj_tag(x_382) == 0)
-{
-lean_object* x_383; lean_object* x_384; lean_object* x_385; uint8_t x_386; 
-lean_inc(x_352);
-x_383 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_352, x_356);
-x_384 = lean_ctor_get(x_383, 1);
-lean_inc(x_384);
-x_385 = lean_ctor_get(x_383, 0);
-lean_inc(x_385);
-lean_dec(x_383);
-x_386 = !lean_is_exclusive(x_384);
-if (x_386 == 0)
-{
-lean_object* x_387; lean_object* x_388; 
-x_387 = lean_ctor_get(x_384, 1);
-lean_inc(x_385);
-x_388 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_387, x_352, x_385);
-lean_ctor_set(x_384, 1, x_388);
-x_357 = x_385;
-x_358 = x_384;
-goto block_365;
-}
-else
-{
-lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; 
-x_389 = lean_ctor_get(x_384, 0);
-x_390 = lean_ctor_get(x_384, 1);
-lean_inc(x_390);
-lean_inc(x_389);
-lean_dec(x_384);
-lean_inc(x_385);
-x_391 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_390, x_352, x_385);
-x_392 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_392, 0, x_389);
-lean_ctor_set(x_392, 1, x_391);
-x_357 = x_385;
-x_358 = x_392;
-goto block_365;
-}
-}
-else
-{
-lean_object* x_393; 
-lean_dec(x_352);
-x_393 = lean_ctor_get(x_382, 0);
-lean_inc(x_393);
-lean_dec(x_382);
-x_357 = x_393;
-x_358 = x_356;
-goto block_365;
-}
-}
-block_365:
+block_263:
 {
 if (lean_obj_tag(x_1) == 8)
 {
-lean_object* x_359; lean_object* x_360; 
-x_359 = lean_expr_update_let(x_1, x_353, x_355, x_357);
-x_360 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_360, 0, x_359);
-lean_ctor_set(x_360, 1, x_358);
-return x_360;
+lean_object* x_257; lean_object* x_258; 
+x_257 = lean_expr_update_let(x_1, x_251, x_253, x_255);
+x_258 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_258, 0, x_257);
+lean_ctor_set(x_258, 1, x_256);
+return x_258;
 }
 else
 {
-lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; 
-lean_dec(x_357);
-lean_dec(x_355);
-lean_dec(x_353);
+lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; 
+lean_dec(x_255);
+lean_dec(x_253);
+lean_dec(x_251);
 lean_dec(x_1);
-x_361 = l_Lean_Expr_inhabited;
-x_362 = l_Lean_Expr_updateLet_x21___closed__1;
-x_363 = lean_panic_fn(x_362);
-x_364 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_364, 0, x_363);
-lean_ctor_set(x_364, 1, x_358);
-return x_364;
+x_259 = l_Lean_Expr_Inhabited;
+x_260 = l_Lean_Expr_updateLet_x21___closed__1;
+x_261 = lean_panic_fn(x_260);
+x_262 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_262, 0, x_261);
+lean_ctor_set(x_262, 1, x_256);
+return x_262;
 }
 }
 }
@@ -15653,135 +12795,71 @@ return x_364;
 }
 case 10:
 {
-lean_object* x_452; uint8_t x_453; 
-x_452 = lean_ctor_get(x_1, 1);
-lean_inc(x_452);
-x_453 = lean_expr_has_expr_mvar(x_452);
-if (x_453 == 0)
+lean_object* x_308; uint8_t x_309; 
+x_308 = lean_ctor_get(x_1, 1);
+lean_inc(x_308);
+x_309 = l_Lean_Expr_hasMVar(x_308);
+if (x_309 == 0)
 {
-uint8_t x_454; 
-x_454 = lean_expr_has_level_mvar(x_452);
-if (x_454 == 0)
-{
-x_15 = x_452;
+x_15 = x_308;
 x_16 = x_2;
 goto block_23;
 }
 else
 {
-lean_object* x_455; lean_object* x_456; 
-x_455 = lean_ctor_get(x_2, 1);
-lean_inc(x_455);
-x_456 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_455, x_452);
-lean_dec(x_455);
-if (lean_obj_tag(x_456) == 0)
+lean_object* x_310; lean_object* x_311; 
+x_310 = lean_ctor_get(x_2, 1);
+lean_inc(x_310);
+x_311 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_310, x_308);
+lean_dec(x_310);
+if (lean_obj_tag(x_311) == 0)
 {
-lean_object* x_457; lean_object* x_458; lean_object* x_459; uint8_t x_460; 
-lean_inc(x_452);
-x_457 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_452, x_2);
-x_458 = lean_ctor_get(x_457, 1);
-lean_inc(x_458);
-x_459 = lean_ctor_get(x_457, 0);
-lean_inc(x_459);
-lean_dec(x_457);
-x_460 = !lean_is_exclusive(x_458);
-if (x_460 == 0)
+lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
+lean_inc(x_308);
+x_312 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_308, x_2);
+x_313 = lean_ctor_get(x_312, 1);
+lean_inc(x_313);
+x_314 = lean_ctor_get(x_312, 0);
+lean_inc(x_314);
+lean_dec(x_312);
+x_315 = !lean_is_exclusive(x_313);
+if (x_315 == 0)
 {
-lean_object* x_461; lean_object* x_462; 
-x_461 = lean_ctor_get(x_458, 1);
-lean_inc(x_459);
-x_462 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_461, x_452, x_459);
-lean_ctor_set(x_458, 1, x_462);
-x_15 = x_459;
-x_16 = x_458;
+lean_object* x_316; lean_object* x_317; 
+x_316 = lean_ctor_get(x_313, 1);
+lean_inc(x_314);
+x_317 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_316, x_308, x_314);
+lean_ctor_set(x_313, 1, x_317);
+x_15 = x_314;
+x_16 = x_313;
 goto block_23;
 }
 else
 {
-lean_object* x_463; lean_object* x_464; lean_object* x_465; lean_object* x_466; 
-x_463 = lean_ctor_get(x_458, 0);
-x_464 = lean_ctor_get(x_458, 1);
-lean_inc(x_464);
-lean_inc(x_463);
-lean_dec(x_458);
-lean_inc(x_459);
-x_465 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_464, x_452, x_459);
-x_466 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_466, 0, x_463);
-lean_ctor_set(x_466, 1, x_465);
-x_15 = x_459;
-x_16 = x_466;
+lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; 
+x_318 = lean_ctor_get(x_313, 0);
+x_319 = lean_ctor_get(x_313, 1);
+lean_inc(x_319);
+lean_inc(x_318);
+lean_dec(x_313);
+lean_inc(x_314);
+x_320 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_319, x_308, x_314);
+x_321 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_321, 0, x_318);
+lean_ctor_set(x_321, 1, x_320);
+x_15 = x_314;
+x_16 = x_321;
 goto block_23;
 }
 }
 else
 {
-lean_object* x_467; 
-lean_dec(x_452);
-x_467 = lean_ctor_get(x_456, 0);
-lean_inc(x_467);
-lean_dec(x_456);
-x_15 = x_467;
-x_16 = x_2;
-goto block_23;
-}
-}
-}
-else
-{
-lean_object* x_468; lean_object* x_469; 
-x_468 = lean_ctor_get(x_2, 1);
-lean_inc(x_468);
-x_469 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_468, x_452);
-lean_dec(x_468);
-if (lean_obj_tag(x_469) == 0)
-{
-lean_object* x_470; lean_object* x_471; lean_object* x_472; uint8_t x_473; 
-lean_inc(x_452);
-x_470 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_452, x_2);
-x_471 = lean_ctor_get(x_470, 1);
-lean_inc(x_471);
-x_472 = lean_ctor_get(x_470, 0);
-lean_inc(x_472);
-lean_dec(x_470);
-x_473 = !lean_is_exclusive(x_471);
-if (x_473 == 0)
-{
-lean_object* x_474; lean_object* x_475; 
-x_474 = lean_ctor_get(x_471, 1);
-lean_inc(x_472);
-x_475 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_474, x_452, x_472);
-lean_ctor_set(x_471, 1, x_475);
-x_15 = x_472;
-x_16 = x_471;
-goto block_23;
-}
-else
-{
-lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; 
-x_476 = lean_ctor_get(x_471, 0);
-x_477 = lean_ctor_get(x_471, 1);
-lean_inc(x_477);
-lean_inc(x_476);
-lean_dec(x_471);
-lean_inc(x_472);
-x_478 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_477, x_452, x_472);
-x_479 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_479, 0, x_476);
-lean_ctor_set(x_479, 1, x_478);
-x_15 = x_472;
-x_16 = x_479;
-goto block_23;
-}
-}
-else
-{
-lean_object* x_480; 
-lean_dec(x_452);
-x_480 = lean_ctor_get(x_469, 0);
-lean_inc(x_480);
-lean_dec(x_469);
-x_15 = x_480;
+lean_object* x_322; 
+lean_dec(x_308);
+x_322 = lean_ctor_get(x_311, 0);
+lean_inc(x_322);
+lean_dec(x_311);
+x_15 = x_322;
 x_16 = x_2;
 goto block_23;
 }
@@ -15789,135 +12867,71 @@ goto block_23;
 }
 case 11:
 {
-lean_object* x_481; uint8_t x_482; 
-x_481 = lean_ctor_get(x_1, 2);
-lean_inc(x_481);
-x_482 = lean_expr_has_expr_mvar(x_481);
-if (x_482 == 0)
+lean_object* x_323; uint8_t x_324; 
+x_323 = lean_ctor_get(x_1, 2);
+lean_inc(x_323);
+x_324 = l_Lean_Expr_hasMVar(x_323);
+if (x_324 == 0)
 {
-uint8_t x_483; 
-x_483 = lean_expr_has_level_mvar(x_481);
-if (x_483 == 0)
-{
-x_24 = x_481;
+x_24 = x_323;
 x_25 = x_2;
 goto block_32;
 }
 else
 {
-lean_object* x_484; lean_object* x_485; 
-x_484 = lean_ctor_get(x_2, 1);
-lean_inc(x_484);
-x_485 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_484, x_481);
-lean_dec(x_484);
-if (lean_obj_tag(x_485) == 0)
+lean_object* x_325; lean_object* x_326; 
+x_325 = lean_ctor_get(x_2, 1);
+lean_inc(x_325);
+x_326 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_325, x_323);
+lean_dec(x_325);
+if (lean_obj_tag(x_326) == 0)
 {
-lean_object* x_486; lean_object* x_487; lean_object* x_488; uint8_t x_489; 
-lean_inc(x_481);
-x_486 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_481, x_2);
-x_487 = lean_ctor_get(x_486, 1);
-lean_inc(x_487);
-x_488 = lean_ctor_get(x_486, 0);
-lean_inc(x_488);
-lean_dec(x_486);
-x_489 = !lean_is_exclusive(x_487);
-if (x_489 == 0)
+lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
+lean_inc(x_323);
+x_327 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_323, x_2);
+x_328 = lean_ctor_get(x_327, 1);
+lean_inc(x_328);
+x_329 = lean_ctor_get(x_327, 0);
+lean_inc(x_329);
+lean_dec(x_327);
+x_330 = !lean_is_exclusive(x_328);
+if (x_330 == 0)
 {
-lean_object* x_490; lean_object* x_491; 
-x_490 = lean_ctor_get(x_487, 1);
-lean_inc(x_488);
-x_491 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_490, x_481, x_488);
-lean_ctor_set(x_487, 1, x_491);
-x_24 = x_488;
-x_25 = x_487;
+lean_object* x_331; lean_object* x_332; 
+x_331 = lean_ctor_get(x_328, 1);
+lean_inc(x_329);
+x_332 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_331, x_323, x_329);
+lean_ctor_set(x_328, 1, x_332);
+x_24 = x_329;
+x_25 = x_328;
 goto block_32;
 }
 else
 {
-lean_object* x_492; lean_object* x_493; lean_object* x_494; lean_object* x_495; 
-x_492 = lean_ctor_get(x_487, 0);
-x_493 = lean_ctor_get(x_487, 1);
-lean_inc(x_493);
-lean_inc(x_492);
-lean_dec(x_487);
-lean_inc(x_488);
-x_494 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_493, x_481, x_488);
-x_495 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_495, 0, x_492);
-lean_ctor_set(x_495, 1, x_494);
-x_24 = x_488;
-x_25 = x_495;
+lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; 
+x_333 = lean_ctor_get(x_328, 0);
+x_334 = lean_ctor_get(x_328, 1);
+lean_inc(x_334);
+lean_inc(x_333);
+lean_dec(x_328);
+lean_inc(x_329);
+x_335 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_334, x_323, x_329);
+x_336 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_336, 0, x_333);
+lean_ctor_set(x_336, 1, x_335);
+x_24 = x_329;
+x_25 = x_336;
 goto block_32;
 }
 }
 else
 {
-lean_object* x_496; 
-lean_dec(x_481);
-x_496 = lean_ctor_get(x_485, 0);
-lean_inc(x_496);
-lean_dec(x_485);
-x_24 = x_496;
-x_25 = x_2;
-goto block_32;
-}
-}
-}
-else
-{
-lean_object* x_497; lean_object* x_498; 
-x_497 = lean_ctor_get(x_2, 1);
-lean_inc(x_497);
-x_498 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_497, x_481);
-lean_dec(x_497);
-if (lean_obj_tag(x_498) == 0)
-{
-lean_object* x_499; lean_object* x_500; lean_object* x_501; uint8_t x_502; 
-lean_inc(x_481);
-x_499 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_481, x_2);
-x_500 = lean_ctor_get(x_499, 1);
-lean_inc(x_500);
-x_501 = lean_ctor_get(x_499, 0);
-lean_inc(x_501);
-lean_dec(x_499);
-x_502 = !lean_is_exclusive(x_500);
-if (x_502 == 0)
-{
-lean_object* x_503; lean_object* x_504; 
-x_503 = lean_ctor_get(x_500, 1);
-lean_inc(x_501);
-x_504 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_503, x_481, x_501);
-lean_ctor_set(x_500, 1, x_504);
-x_24 = x_501;
-x_25 = x_500;
-goto block_32;
-}
-else
-{
-lean_object* x_505; lean_object* x_506; lean_object* x_507; lean_object* x_508; 
-x_505 = lean_ctor_get(x_500, 0);
-x_506 = lean_ctor_get(x_500, 1);
-lean_inc(x_506);
-lean_inc(x_505);
-lean_dec(x_500);
-lean_inc(x_501);
-x_507 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_506, x_481, x_501);
-x_508 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_508, 0, x_505);
-lean_ctor_set(x_508, 1, x_507);
-x_24 = x_501;
-x_25 = x_508;
-goto block_32;
-}
-}
-else
-{
-lean_object* x_509; 
-lean_dec(x_481);
-x_509 = lean_ctor_get(x_498, 0);
-lean_inc(x_509);
-lean_dec(x_498);
-x_24 = x_509;
+lean_object* x_337; 
+lean_dec(x_323);
+x_337 = lean_ctor_get(x_326, 0);
+lean_inc(x_337);
+lean_dec(x_326);
+x_24 = x_337;
 x_25 = x_2;
 goto block_32;
 }
@@ -15925,11 +12939,11 @@ goto block_32;
 }
 default: 
 {
-lean_object* x_510; 
-x_510 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_510, 0, x_1);
-lean_ctor_set(x_510, 1, x_2);
-return x_510;
+lean_object* x_338; 
+x_338 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_338, 0, x_1);
+lean_ctor_set(x_338, 1, x_2);
+return x_338;
 }
 }
 block_14:
@@ -15983,7 +12997,7 @@ else
 lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
 lean_dec(x_15);
 lean_dec(x_1);
-x_19 = l_Lean_Expr_inhabited;
+x_19 = l_Lean_Expr_Inhabited;
 x_20 = l_Lean_Expr_updateMData_x21___closed__2;
 x_21 = lean_panic_fn(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
@@ -16008,7 +13022,7 @@ else
 lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
 lean_dec(x_24);
 lean_dec(x_1);
-x_28 = l_Lean_Expr_inhabited;
+x_28 = l_Lean_Expr_Inhabited;
 x_29 = l_Lean_Expr_updateProj_x21___closed__2;
 x_30 = lean_panic_fn(x_29);
 x_31 = lean_alloc_ctor(0, 2, 0);
@@ -16057,90 +13071,49 @@ lean_object* l_Lean_MetavarContext_instantiateMVars(lean_object* x_1, lean_objec
 _start:
 {
 uint8_t x_3; 
-x_3 = lean_expr_has_expr_mvar(x_2);
+x_3 = l_Lean_Expr_hasMVar(x_2);
 if (x_3 == 0)
 {
-uint8_t x_4; 
-x_4 = lean_expr_has_level_mvar(x_2);
-if (x_4 == 0)
-{
-lean_object* x_5; 
-x_5 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_5, 0, x_2);
-lean_ctor_set(x_5, 1, x_1);
-return x_5;
+lean_object* x_4; 
+x_4 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_4, 0, x_2);
+lean_ctor_set(x_4, 1, x_1);
+return x_4;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
-x_6 = l_Lean_MetavarContext_instantiateMVars___closed__1;
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_1);
-lean_ctor_set(x_7, 1, x_6);
-x_8 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_2, x_7);
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
+lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_5 = l_Lean_MetavarContext_instantiateMVars___closed__1;
+x_6 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_6, 0, x_1);
+lean_ctor_set(x_6, 1, x_5);
+x_7 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_2, x_6);
+x_8 = !lean_is_exclusive(x_7);
+if (x_8 == 0)
 {
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 1);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-lean_ctor_set(x_8, 1, x_11);
-return x_8;
+lean_object* x_9; lean_object* x_10; 
+x_9 = lean_ctor_get(x_7, 1);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+lean_dec(x_9);
+lean_ctor_set(x_7, 1, x_10);
+return x_7;
 }
 else
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = lean_ctor_get(x_8, 0);
-x_13 = lean_ctor_get(x_8, 1);
-lean_inc(x_13);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = lean_ctor_get(x_7, 0);
+x_12 = lean_ctor_get(x_7, 1);
 lean_inc(x_12);
-lean_dec(x_8);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_12);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-}
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_16 = l_Lean_MetavarContext_instantiateMVars___closed__1;
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_1);
-lean_ctor_set(x_17, 1, x_16);
-x_18 = l_Lean_MetavarContext_InstantiateExprMVars_main___main(x_2, x_17);
-x_19 = !lean_is_exclusive(x_18);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_18, 1);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-lean_dec(x_20);
-lean_ctor_set(x_18, 1, x_21);
-return x_18;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_18, 0);
-x_23 = lean_ctor_get(x_18, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_18);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-lean_dec(x_23);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_22);
-lean_ctor_set(x_25, 1, x_24);
-return x_25;
+lean_inc(x_11);
+lean_dec(x_7);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_11);
+lean_ctor_set(x_14, 1, x_13);
+return x_14;
 }
 }
 }
@@ -16180,7 +13153,7 @@ _start:
 lean_object* x_3; lean_object* x_4; size_t x_5; size_t x_6; lean_object* x_7; uint8_t x_8; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = lean_expr_hash(x_2);
+x_5 = l_Lean_Expr_hash(x_2);
 x_6 = lean_usize_modn(x_5, x_4);
 lean_dec(x_4);
 x_7 = lean_array_uget(x_3, x_6);
@@ -16206,7 +13179,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; le
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = lean_expr_hash(x_4);
+x_7 = l_Lean_Expr_hash(x_4);
 x_8 = lean_usize_modn(x_7, x_6);
 lean_dec(x_6);
 x_9 = lean_array_uget(x_1, x_8);
@@ -16227,7 +13200,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = lean_expr_hash(x_12);
+x_16 = l_Lean_Expr_hash(x_12);
 x_17 = lean_usize_modn(x_16, x_15);
 lean_dec(x_15);
 x_18 = lean_array_uget(x_1, x_17);
@@ -16374,7 +13347,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; le
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = lean_expr_hash(x_2);
+x_8 = l_Lean_Expr_hash(x_2);
 x_9 = lean_usize_modn(x_8, x_7);
 x_10 = lean_array_uget(x_6, x_9);
 x_11 = l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__2(x_2, x_10);
@@ -16424,7 +13397,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = lean_expr_hash(x_2);
+x_23 = l_Lean_Expr_hash(x_2);
 x_24 = lean_usize_modn(x_23, x_22);
 x_25 = lean_array_uget(x_21, x_24);
 x_26 = l_AssocList_contains___main___at___private_Init_Lean_MetavarContext_8__visit_x3f___spec__2(x_2, x_25);
@@ -16474,25 +13447,29 @@ lean_object* l___private_Init_Lean_MetavarContext_8__visit_x3f(lean_object* x_1,
 _start:
 {
 lean_object* x_3; uint8_t x_14; 
-x_14 = lean_expr_has_expr_mvar(x_1);
+x_14 = l_Lean_Expr_hasMVar(x_1);
 if (x_14 == 0)
 {
 uint8_t x_15; 
-x_15 = lean_expr_has_level_mvar(x_1);
+x_15 = l_Lean_Expr_hasFVar(x_1);
 if (x_15 == 0)
 {
-uint8_t x_16; 
-x_16 = lean_expr_has_fvar(x_1);
-if (x_16 == 0)
-{
-uint8_t x_17; lean_object* x_18; lean_object* x_19; 
+uint8_t x_16; lean_object* x_17; lean_object* x_18; 
 lean_dec(x_1);
-x_17 = 0;
-x_18 = lean_box(x_17);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_2);
-return x_19;
+x_16 = 0;
+x_17 = lean_box(x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_2);
+return x_18;
+}
+else
+{
+lean_object* x_19; 
+x_19 = lean_box(0);
+x_3 = x_19;
+goto block_13;
+}
 }
 else
 {
@@ -16501,22 +13478,6 @@ x_20 = lean_box(0);
 x_3 = x_20;
 goto block_13;
 }
-}
-else
-{
-lean_object* x_21; 
-x_21 = lean_box(0);
-x_3 = x_21;
-goto block_13;
-}
-}
-else
-{
-lean_object* x_22; 
-x_22 = lean_box(0);
-x_3 = x_22;
-goto block_13;
-}
 block_13:
 {
 uint8_t x_4; 
@@ -17575,28 +14536,31 @@ lean_object* l_Lean_MetavarContext_DependsOn_main(lean_object* x_1, lean_object*
 _start:
 {
 uint8_t x_5; 
-x_5 = lean_expr_has_fvar(x_3);
+x_5 = l_Lean_Expr_hasFVar(x_3);
 if (x_5 == 0)
 {
 uint8_t x_6; 
-x_6 = lean_expr_has_expr_mvar(x_3);
+x_6 = l_Lean_Expr_hasMVar(x_3);
 if (x_6 == 0)
 {
-uint8_t x_7; 
-x_7 = lean_expr_has_level_mvar(x_3);
-if (x_7 == 0)
-{
-uint8_t x_8; lean_object* x_9; lean_object* x_10; 
+uint8_t x_7; lean_object* x_8; lean_object* x_9; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_8 = 0;
-x_9 = lean_box(x_8);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_10, 1, x_4);
+x_7 = 0;
+x_8 = lean_box(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_4);
+return x_9;
+}
+else
+{
+lean_object* x_10; 
+x_10 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_4);
 return x_10;
 }
+}
 else
 {
 lean_object* x_11; 
@@ -17604,20 +14568,6 @@ x_11 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_4);
 return x_11;
 }
 }
-else
-{
-lean_object* x_12; 
-x_12 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_4);
-return x_12;
-}
-}
-else
-{
-lean_object* x_13; 
-x_13 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_4);
-return x_13;
-}
-}
 }
 lean_object* l_mkHashMap___at_Lean_MetavarContext_exprDependsOn___spec__2(lean_object* x_1) {
 _start:
@@ -17648,56 +14598,41 @@ lean_object* l_Lean_MetavarContext_exprDependsOn(lean_object* x_1, lean_object*
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_fvar(x_3);
+x_4 = l_Lean_Expr_hasFVar(x_3);
 if (x_4 == 0)
 {
 uint8_t x_5; 
-x_5 = lean_expr_has_expr_mvar(x_3);
+x_5 = l_Lean_Expr_hasMVar(x_3);
 if (x_5 == 0)
 {
-uint8_t x_6; 
-x_6 = lean_expr_has_level_mvar(x_3);
-if (x_6 == 0)
-{
-uint8_t x_7; lean_object* x_8; 
+uint8_t x_6; lean_object* x_7; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_7 = 0;
-x_8 = lean_box(x_7);
-return x_8;
+x_6 = 0;
+x_7 = lean_box(x_6);
+return x_7;
 }
 else
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = l_Lean_MetavarContext_exprDependsOn___closed__1;
-x_10 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-return x_11;
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = l_Lean_MetavarContext_exprDependsOn___closed__1;
+x_9 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_8);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+lean_dec(x_9);
+return x_10;
 }
 }
 else
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = l_Lean_MetavarContext_exprDependsOn___closed__1;
-x_13 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_12);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-return x_14;
-}
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = l_Lean_MetavarContext_exprDependsOn___closed__1;
-x_16 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_15);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-lean_dec(x_16);
-return x_17;
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = l_Lean_MetavarContext_exprDependsOn___closed__1;
+x_12 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_3, x_11);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+return x_13;
 }
 }
 }
@@ -17710,206 +14645,154 @@ lean_object* x_4; uint8_t x_5;
 x_4 = lean_ctor_get(x_3, 3);
 lean_inc(x_4);
 lean_dec(x_3);
-x_5 = lean_expr_has_fvar(x_4);
+x_5 = l_Lean_Expr_hasFVar(x_4);
 if (x_5 == 0)
 {
 uint8_t x_6; 
-x_6 = lean_expr_has_expr_mvar(x_4);
+x_6 = l_Lean_Expr_hasMVar(x_4);
 if (x_6 == 0)
 {
-uint8_t x_7; 
-x_7 = lean_expr_has_level_mvar(x_4);
-if (x_7 == 0)
-{
-uint8_t x_8; lean_object* x_9; 
+uint8_t x_7; lean_object* x_8; 
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_8 = 0;
-x_9 = lean_box(x_8);
-return x_9;
+x_7 = 0;
+x_8 = lean_box(x_7);
+return x_8;
 }
 else
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = l_HashMap_Inhabited___closed__1;
-x_11 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_4, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-lean_dec(x_11);
-return x_12;
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = l_HashMap_Inhabited___closed__1;
+x_10 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_4, x_9);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+lean_dec(x_10);
+return x_11;
 }
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = l_HashMap_Inhabited___closed__1;
-x_14 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_4, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = l_HashMap_Inhabited___closed__1;
+x_13 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_4, x_12);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+return x_14;
+}
+}
+else
+{
+lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; uint8_t x_29; 
+x_15 = lean_ctor_get(x_3, 3);
 lean_inc(x_15);
-lean_dec(x_14);
-return x_15;
-}
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = l_HashMap_Inhabited___closed__1;
-x_17 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_4, x_16);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-lean_dec(x_17);
-return x_18;
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; uint8_t x_36; 
-x_19 = lean_ctor_get(x_3, 3);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_3, 4);
-lean_inc(x_20);
+x_16 = lean_ctor_get(x_3, 4);
+lean_inc(x_16);
 lean_dec(x_3);
-x_36 = lean_expr_has_fvar(x_19);
-if (x_36 == 0)
+x_29 = l_Lean_Expr_hasFVar(x_15);
+if (x_29 == 0)
 {
-uint8_t x_37; 
-x_37 = lean_expr_has_expr_mvar(x_19);
-if (x_37 == 0)
+uint8_t x_30; 
+x_30 = l_Lean_Expr_hasMVar(x_15);
+if (x_30 == 0)
 {
-uint8_t x_38; 
-x_38 = lean_expr_has_level_mvar(x_19);
-if (x_38 == 0)
-{
-uint8_t x_39; lean_object* x_40; 
-lean_dec(x_19);
-x_39 = 0;
-x_40 = l_HashMap_Inhabited___closed__1;
-x_21 = x_39;
-x_22 = x_40;
-goto block_35;
+uint8_t x_31; lean_object* x_32; 
+lean_dec(x_15);
+x_31 = 0;
+x_32 = l_HashMap_Inhabited___closed__1;
+x_17 = x_31;
+x_18 = x_32;
+goto block_28;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-x_41 = l_HashMap_Inhabited___closed__1;
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_33 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_2);
 lean_inc(x_1);
-x_42 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_19, x_41);
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
-lean_inc(x_44);
-lean_dec(x_42);
-x_45 = lean_unbox(x_43);
-lean_dec(x_43);
-x_21 = x_45;
-x_22 = x_44;
-goto block_35;
+x_34 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_15, x_33);
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = lean_unbox(x_35);
+lean_dec(x_35);
+x_17 = x_37;
+x_18 = x_36;
+goto block_28;
 }
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
-x_46 = l_HashMap_Inhabited___closed__1;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_38 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_2);
 lean_inc(x_1);
-x_47 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_19, x_46);
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_47, 1);
-lean_inc(x_49);
-lean_dec(x_47);
-x_50 = lean_unbox(x_48);
-lean_dec(x_48);
-x_21 = x_50;
-x_22 = x_49;
-goto block_35;
+x_39 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_15, x_38);
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+x_42 = lean_unbox(x_40);
+lean_dec(x_40);
+x_17 = x_42;
+x_18 = x_41;
+goto block_28;
 }
-}
-else
+block_28:
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-x_51 = l_HashMap_Inhabited___closed__1;
-lean_inc(x_2);
-lean_inc(x_1);
-x_52 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_19, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
-lean_inc(x_54);
-lean_dec(x_52);
-x_55 = lean_unbox(x_53);
-lean_dec(x_53);
-x_21 = x_55;
-x_22 = x_54;
-goto block_35;
-}
-block_35:
+if (x_17 == 0)
 {
-if (x_21 == 0)
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasFVar(x_16);
+if (x_19 == 0)
 {
-uint8_t x_23; 
-x_23 = lean_expr_has_fvar(x_20);
-if (x_23 == 0)
+uint8_t x_20; 
+x_20 = l_Lean_Expr_hasMVar(x_16);
+if (x_20 == 0)
 {
-uint8_t x_24; 
-x_24 = lean_expr_has_expr_mvar(x_20);
-if (x_24 == 0)
-{
-uint8_t x_25; 
-x_25 = lean_expr_has_level_mvar(x_20);
-if (x_25 == 0)
-{
-uint8_t x_26; lean_object* x_27; 
-lean_dec(x_22);
-lean_dec(x_20);
+uint8_t x_21; lean_object* x_22; 
+lean_dec(x_18);
+lean_dec(x_16);
 lean_dec(x_2);
 lean_dec(x_1);
-x_26 = 0;
-x_27 = lean_box(x_26);
+x_21 = 0;
+x_22 = lean_box(x_21);
+return x_22;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_16, x_18);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+lean_dec(x_23);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_16, x_18);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+lean_dec(x_25);
+return x_26;
+}
+}
+else
+{
+lean_object* x_27; 
+lean_dec(x_18);
+lean_dec(x_16);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = lean_box(x_17);
 return x_27;
 }
-else
-{
-lean_object* x_28; lean_object* x_29; 
-x_28 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_20, x_22);
-x_29 = lean_ctor_get(x_28, 0);
-lean_inc(x_29);
-lean_dec(x_28);
-return x_29;
-}
-}
-else
-{
-lean_object* x_30; lean_object* x_31; 
-x_30 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_20, x_22);
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-lean_dec(x_30);
-return x_31;
-}
-}
-else
-{
-lean_object* x_32; lean_object* x_33; 
-x_32 = l___private_Init_Lean_MetavarContext_10__dep___main(x_1, x_2, x_20, x_22);
-x_33 = lean_ctor_get(x_32, 0);
-lean_inc(x_33);
-lean_dec(x_32);
-return x_33;
-}
-}
-else
-{
-lean_object* x_34; 
-lean_dec(x_22);
-lean_dec(x_20);
-lean_dec(x_2);
-lean_dec(x_1);
-x_34 = lean_box(x_21);
-return x_34;
-}
 }
 }
 }
@@ -18379,7 +15262,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l_Lean_MetavarContext_getDecl___closed__1;
-x_2 = lean_unsigned_to_nat(584u);
+x_2 = lean_unsigned_to_nat(585u);
 x_3 = lean_unsigned_to_nat(16u);
 x_4 = l_Nat_foldRevAux___main___at_Lean_LocalContext_mkBinding___spec__1___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -18390,7 +15273,7 @@ lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__1(lean_object*
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = l_Lean_Expr_inhabited;
+x_9 = l_Lean_Expr_Inhabited;
 x_10 = lean_array_get(x_9, x_1, x_6);
 x_11 = l_Lean_LocalContext_findFVar(x_2, x_10);
 lean_dec(x_10);
@@ -18438,14 +15321,14 @@ lean_dec(x_22);
 if (x_5 == 0)
 {
 lean_object* x_24; 
-x_24 = lean_expr_mk_forall(x_17, x_19, x_23, x_7);
+x_24 = l_Lean_mkForall(x_17, x_19, x_23, x_7);
 lean_ctor_set(x_20, 0, x_24);
 return x_20;
 }
 else
 {
 lean_object* x_25; 
-x_25 = lean_expr_mk_lambda(x_17, x_19, x_23, x_7);
+x_25 = l_Lean_mkLambda(x_17, x_19, x_23, x_7);
 lean_ctor_set(x_20, 0, x_25);
 return x_20;
 }
@@ -18464,7 +15347,7 @@ lean_dec(x_26);
 if (x_5 == 0)
 {
 lean_object* x_29; lean_object* x_30; 
-x_29 = lean_expr_mk_forall(x_17, x_19, x_28, x_7);
+x_29 = l_Lean_mkForall(x_17, x_19, x_28, x_7);
 x_30 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_27);
@@ -18473,7 +15356,7 @@ return x_30;
 else
 {
 lean_object* x_31; lean_object* x_32; 
-x_31 = lean_expr_mk_lambda(x_17, x_19, x_28, x_7);
+x_31 = l_Lean_mkLambda(x_17, x_19, x_28, x_7);
 x_32 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_32, 0, x_31);
 lean_ctor_set(x_32, 1, x_27);
@@ -18556,85 +15439,87 @@ uint8_t x_48;
 x_48 = !lean_is_exclusive(x_47);
 if (x_48 == 0)
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+lean_object* x_49; lean_object* x_50; uint8_t x_51; lean_object* x_52; 
 x_49 = lean_ctor_get(x_47, 0);
 x_50 = lean_expr_abstract_range(x_49, x_6, x_1);
 lean_dec(x_1);
 lean_dec(x_49);
-x_51 = lean_expr_mk_let(x_37, x_46, x_50, x_7);
-lean_ctor_set(x_47, 0, x_51);
+x_51 = 0;
+x_52 = l_Lean_mkLet(x_37, x_46, x_50, x_7, x_51);
+lean_ctor_set(x_47, 0, x_52);
 return x_47;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_52 = lean_ctor_get(x_47, 0);
-x_53 = lean_ctor_get(x_47, 1);
+lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; lean_object* x_57; lean_object* x_58; 
+x_53 = lean_ctor_get(x_47, 0);
+x_54 = lean_ctor_get(x_47, 1);
+lean_inc(x_54);
 lean_inc(x_53);
-lean_inc(x_52);
 lean_dec(x_47);
-x_54 = lean_expr_abstract_range(x_52, x_6, x_1);
+x_55 = lean_expr_abstract_range(x_53, x_6, x_1);
 lean_dec(x_1);
-lean_dec(x_52);
-x_55 = lean_expr_mk_let(x_37, x_46, x_54, x_7);
-x_56 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
+lean_dec(x_53);
+x_56 = 0;
+x_57 = l_Lean_mkLet(x_37, x_46, x_55, x_7, x_56);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_58, 1, x_54);
+return x_58;
 }
 }
 else
 {
-uint8_t x_57; 
+uint8_t x_59; 
 lean_dec(x_46);
 lean_dec(x_37);
 lean_dec(x_7);
 lean_dec(x_1);
-x_57 = !lean_is_exclusive(x_47);
-if (x_57 == 0)
+x_59 = !lean_is_exclusive(x_47);
+if (x_59 == 0)
 {
 return x_47;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_47, 0);
-x_59 = lean_ctor_get(x_47, 1);
-lean_inc(x_59);
-lean_inc(x_58);
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_47, 0);
+x_61 = lean_ctor_get(x_47, 1);
+lean_inc(x_61);
+lean_inc(x_60);
 lean_dec(x_47);
-x_60 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
 }
 }
 else
 {
-uint8_t x_61; 
+uint8_t x_63; 
 lean_dec(x_39);
 lean_dec(x_37);
 lean_dec(x_7);
 lean_dec(x_4);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_43);
-if (x_61 == 0)
+x_63 = !lean_is_exclusive(x_43);
+if (x_63 == 0)
 {
 return x_43;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_43, 0);
-x_63 = lean_ctor_get(x_43, 1);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_64 = lean_ctor_get(x_43, 0);
+x_65 = lean_ctor_get(x_43, 1);
+lean_inc(x_65);
+lean_inc(x_64);
 lean_dec(x_43);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+x_66 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_66, 0, x_64);
+lean_ctor_set(x_66, 1, x_65);
+return x_66;
 }
 }
 }
@@ -18894,7 +15779,7 @@ lean_object* l___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestId
 _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_3 = l_Lean_Expr_inhabited;
+x_3 = l_Lean_Expr_Inhabited;
 x_4 = lean_unsigned_to_nat(0u);
 x_5 = lean_array_get(x_3, x_2, x_4);
 lean_inc(x_1);
@@ -25549,3268 +22434,7 @@ return x_203;
 }
 }
 }
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_array_fget(x_3, x_5);
-x_9 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(x_1, x_8);
-lean_dec(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_unsigned_to_nat(1u);
-x_11 = lean_nat_add(x_5, x_10);
-lean_dec(x_5);
-x_5 = x_11;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_9;
-}
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = lean_array_get_size(x_3);
-x_5 = lean_unsigned_to_nat(0u);
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(x_1, x_3, x_3, x_4, x_5);
-lean_dec(x_4);
-return x_6;
-}
-else
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_7 = lean_ctor_get(x_2, 0);
-x_8 = lean_array_get_size(x_7);
-x_9 = lean_unsigned_to_nat(0u);
-x_10 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(x_1, x_7, x_7, x_8, x_9);
-lean_dec(x_8);
-return x_10;
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(x_1, x_3);
-if (x_4 == 0)
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
-x_5 = lean_ctor_get(x_2, 1);
-x_6 = lean_array_get_size(x_5);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(x_1, x_2, x_5, x_6, x_7);
-lean_dec(x_6);
-return x_8;
-}
-else
-{
-return x_4;
-}
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-switch (lean_obj_tag(x_3)) {
-case 1:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9; lean_object* x_10; 
-lean_dec(x_2);
-x_5 = lean_ctor_get(x_3, 0);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = lean_array_get_size(x_1);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_5, x_1, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_9 = lean_box(x_8);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_10, 1, x_4);
-return x_10;
-}
-case 2:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_3, 0);
-lean_inc(x_11);
-lean_dec(x_3);
-lean_inc(x_11);
-lean_inc(x_2);
-x_12 = lean_metavar_ctx_get_expr_assignment(x_2, x_11);
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; 
-x_13 = l_Lean_MetavarContext_getDecl(x_2, x_11);
-lean_dec(x_11);
-lean_dec(x_2);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 1);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(x_1, x_15);
-lean_dec(x_15);
-x_17 = lean_box(x_16);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_4);
-return x_18;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-lean_dec(x_11);
-x_19 = lean_ctor_get(x_12, 0);
-lean_inc(x_19);
-lean_dec(x_12);
-lean_inc(x_19);
-x_20 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_19, x_4);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_unbox(x_21);
-if (x_22 == 0)
-{
-uint8_t x_23; 
-lean_dec(x_19);
-lean_dec(x_2);
-x_23 = !lean_is_exclusive(x_20);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_20, 0);
-lean_dec(x_24);
-return x_20;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_dec(x_20);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_21);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
-}
-}
-else
-{
-lean_object* x_27; 
-lean_dec(x_21);
-x_27 = lean_ctor_get(x_20, 1);
-lean_inc(x_27);
-lean_dec(x_20);
-x_3 = x_19;
-x_4 = x_27;
-goto _start;
-}
-}
-}
-case 5:
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_29 = lean_ctor_get(x_3, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_3, 1);
-lean_inc(x_30);
-lean_dec(x_3);
-lean_inc(x_30);
-x_31 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_30, x_4);
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-x_33 = lean_unbox(x_32);
-lean_dec(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; uint8_t x_35; 
-lean_dec(x_30);
-x_34 = lean_ctor_get(x_31, 1);
-lean_inc(x_34);
-lean_dec(x_31);
-x_35 = l_Lean_Expr_isApp(x_29);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-lean_inc(x_29);
-x_36 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_34);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_unbox(x_37);
-if (x_38 == 0)
-{
-uint8_t x_39; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_39 = !lean_is_exclusive(x_36);
-if (x_39 == 0)
-{
-lean_object* x_40; 
-x_40 = lean_ctor_get(x_36, 0);
-lean_dec(x_40);
-return x_36;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_36, 1);
-lean_inc(x_41);
-lean_dec(x_36);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_37);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-else
-{
-lean_object* x_43; 
-lean_dec(x_37);
-x_43 = lean_ctor_get(x_36, 1);
-lean_inc(x_43);
-lean_dec(x_36);
-x_3 = x_29;
-x_4 = x_43;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_34;
-goto _start;
-}
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_46 = lean_ctor_get(x_31, 1);
-lean_inc(x_46);
-lean_dec(x_31);
-lean_inc(x_2);
-x_47 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_30, x_46);
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_unbox(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; uint8_t x_51; 
-lean_dec(x_48);
-x_50 = lean_ctor_get(x_47, 1);
-lean_inc(x_50);
-lean_dec(x_47);
-x_51 = l_Lean_Expr_isApp(x_29);
-if (x_51 == 0)
-{
-lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_inc(x_29);
-x_52 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_50);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_unbox(x_53);
-if (x_54 == 0)
-{
-uint8_t x_55; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_52);
-if (x_55 == 0)
-{
-lean_object* x_56; 
-x_56 = lean_ctor_get(x_52, 0);
-lean_dec(x_56);
-return x_52;
-}
-else
-{
-lean_object* x_57; lean_object* x_58; 
-x_57 = lean_ctor_get(x_52, 1);
-lean_inc(x_57);
-lean_dec(x_52);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_53);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; 
-lean_dec(x_53);
-x_59 = lean_ctor_get(x_52, 1);
-lean_inc(x_59);
-lean_dec(x_52);
-x_3 = x_29;
-x_4 = x_59;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_50;
-goto _start;
-}
-}
-else
-{
-uint8_t x_62; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_62 = !lean_is_exclusive(x_47);
-if (x_62 == 0)
-{
-lean_object* x_63; 
-x_63 = lean_ctor_get(x_47, 0);
-lean_dec(x_63);
-return x_47;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_47, 1);
-lean_inc(x_64);
-lean_dec(x_47);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_48);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
-}
-}
-}
-}
-case 6:
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_66 = lean_ctor_get(x_3, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_3, 2);
-lean_inc(x_67);
-lean_dec(x_3);
-lean_inc(x_66);
-x_68 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_66, x_4);
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_unbox(x_69);
-lean_dec(x_69);
-if (x_70 == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
-lean_dec(x_66);
-x_71 = lean_ctor_get(x_68, 1);
-lean_inc(x_71);
-lean_dec(x_68);
-lean_inc(x_67);
-x_72 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_71);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_unbox(x_73);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_75 = !lean_is_exclusive(x_72);
-if (x_75 == 0)
-{
-lean_object* x_76; 
-x_76 = lean_ctor_get(x_72, 0);
-lean_dec(x_76);
-return x_72;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_72, 1);
-lean_inc(x_77);
-lean_dec(x_72);
-x_78 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_78, 0, x_73);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
-else
-{
-lean_object* x_79; 
-lean_dec(x_73);
-x_79 = lean_ctor_get(x_72, 1);
-lean_inc(x_79);
-lean_dec(x_72);
-x_3 = x_67;
-x_4 = x_79;
-goto _start;
-}
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
-x_81 = lean_ctor_get(x_68, 1);
-lean_inc(x_81);
-lean_dec(x_68);
-lean_inc(x_2);
-x_82 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_66, x_81);
-x_83 = lean_ctor_get(x_82, 0);
-lean_inc(x_83);
-x_84 = lean_unbox(x_83);
-if (x_84 == 0)
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
-lean_dec(x_83);
-x_85 = lean_ctor_get(x_82, 1);
-lean_inc(x_85);
-lean_dec(x_82);
-lean_inc(x_67);
-x_86 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_85);
-x_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-x_88 = lean_unbox(x_87);
-if (x_88 == 0)
-{
-uint8_t x_89; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_89 = !lean_is_exclusive(x_86);
-if (x_89 == 0)
-{
-lean_object* x_90; 
-x_90 = lean_ctor_get(x_86, 0);
-lean_dec(x_90);
-return x_86;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; 
-x_91 = lean_ctor_get(x_86, 1);
-lean_inc(x_91);
-lean_dec(x_86);
-x_92 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_92, 0, x_87);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-else
-{
-lean_object* x_93; 
-lean_dec(x_87);
-x_93 = lean_ctor_get(x_86, 1);
-lean_inc(x_93);
-lean_dec(x_86);
-x_3 = x_67;
-x_4 = x_93;
-goto _start;
-}
-}
-else
-{
-uint8_t x_95; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_95 = !lean_is_exclusive(x_82);
-if (x_95 == 0)
-{
-lean_object* x_96; 
-x_96 = lean_ctor_get(x_82, 0);
-lean_dec(x_96);
-return x_82;
-}
-else
-{
-lean_object* x_97; lean_object* x_98; 
-x_97 = lean_ctor_get(x_82, 1);
-lean_inc(x_97);
-lean_dec(x_82);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_83);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
-}
-}
-}
-}
-case 7:
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_99 = lean_ctor_get(x_3, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_3, 2);
-lean_inc(x_100);
-lean_dec(x_3);
-lean_inc(x_99);
-x_101 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_99, x_4);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_unbox(x_102);
-lean_dec(x_102);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-lean_dec(x_99);
-x_104 = lean_ctor_get(x_101, 1);
-lean_inc(x_104);
-lean_dec(x_101);
-lean_inc(x_100);
-x_105 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_104);
-x_106 = lean_ctor_get(x_105, 0);
-lean_inc(x_106);
-x_107 = lean_unbox(x_106);
-if (x_107 == 0)
-{
-uint8_t x_108; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_108 = !lean_is_exclusive(x_105);
-if (x_108 == 0)
-{
-lean_object* x_109; 
-x_109 = lean_ctor_get(x_105, 0);
-lean_dec(x_109);
-return x_105;
-}
-else
-{
-lean_object* x_110; lean_object* x_111; 
-x_110 = lean_ctor_get(x_105, 1);
-lean_inc(x_110);
-lean_dec(x_105);
-x_111 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_111, 0, x_106);
-lean_ctor_set(x_111, 1, x_110);
-return x_111;
-}
-}
-else
-{
-lean_object* x_112; 
-lean_dec(x_106);
-x_112 = lean_ctor_get(x_105, 1);
-lean_inc(x_112);
-lean_dec(x_105);
-x_3 = x_100;
-x_4 = x_112;
-goto _start;
-}
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
-x_114 = lean_ctor_get(x_101, 1);
-lean_inc(x_114);
-lean_dec(x_101);
-lean_inc(x_2);
-x_115 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_99, x_114);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_unbox(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
-lean_dec(x_116);
-x_118 = lean_ctor_get(x_115, 1);
-lean_inc(x_118);
-lean_dec(x_115);
-lean_inc(x_100);
-x_119 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_118);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_unbox(x_120);
-if (x_121 == 0)
-{
-uint8_t x_122; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_122 = !lean_is_exclusive(x_119);
-if (x_122 == 0)
-{
-lean_object* x_123; 
-x_123 = lean_ctor_get(x_119, 0);
-lean_dec(x_123);
-return x_119;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; 
-x_124 = lean_ctor_get(x_119, 1);
-lean_inc(x_124);
-lean_dec(x_119);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_120);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-else
-{
-lean_object* x_126; 
-lean_dec(x_120);
-x_126 = lean_ctor_get(x_119, 1);
-lean_inc(x_126);
-lean_dec(x_119);
-x_3 = x_100;
-x_4 = x_126;
-goto _start;
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_128 = !lean_is_exclusive(x_115);
-if (x_128 == 0)
-{
-lean_object* x_129; 
-x_129 = lean_ctor_get(x_115, 0);
-lean_dec(x_129);
-return x_115;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; 
-x_130 = lean_ctor_get(x_115, 1);
-lean_inc(x_130);
-lean_dec(x_115);
-x_131 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_131, 0, x_116);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-}
-case 8:
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_132 = lean_ctor_get(x_3, 1);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_3, 2);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_3, 3);
-lean_inc(x_134);
-lean_dec(x_3);
-lean_inc(x_132);
-x_171 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_132, x_4);
-x_172 = lean_ctor_get(x_171, 0);
-lean_inc(x_172);
-x_173 = lean_unbox(x_172);
-if (x_173 == 0)
-{
-lean_object* x_174; uint8_t x_175; 
-lean_dec(x_132);
-x_174 = lean_ctor_get(x_171, 1);
-lean_inc(x_174);
-lean_dec(x_171);
-x_175 = lean_unbox(x_172);
-lean_dec(x_172);
-x_135 = x_175;
-x_136 = x_174;
-goto block_170;
-}
-else
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; 
-lean_dec(x_172);
-x_176 = lean_ctor_get(x_171, 1);
-lean_inc(x_176);
-lean_dec(x_171);
-lean_inc(x_2);
-x_177 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_132, x_176);
-x_178 = lean_ctor_get(x_177, 0);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_177, 1);
-lean_inc(x_179);
-lean_dec(x_177);
-x_180 = lean_unbox(x_178);
-lean_dec(x_178);
-x_135 = x_180;
-x_136 = x_179;
-goto block_170;
-}
-block_170:
-{
-if (x_135 == 0)
-{
-lean_object* x_137; lean_object* x_138; uint8_t x_139; 
-lean_inc(x_133);
-x_137 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_133, x_136);
-x_138 = lean_ctor_get(x_137, 0);
-lean_inc(x_138);
-x_139 = lean_unbox(x_138);
-lean_dec(x_138);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-lean_dec(x_133);
-x_140 = lean_ctor_get(x_137, 1);
-lean_inc(x_140);
-lean_dec(x_137);
-lean_inc(x_134);
-x_141 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_unbox(x_142);
-if (x_143 == 0)
-{
-uint8_t x_144; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_144 = !lean_is_exclusive(x_141);
-if (x_144 == 0)
-{
-lean_object* x_145; 
-x_145 = lean_ctor_get(x_141, 0);
-lean_dec(x_145);
-return x_141;
-}
-else
-{
-lean_object* x_146; lean_object* x_147; 
-x_146 = lean_ctor_get(x_141, 1);
-lean_inc(x_146);
-lean_dec(x_141);
-x_147 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_147, 0, x_142);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
-}
-}
-else
-{
-lean_object* x_148; 
-lean_dec(x_142);
-x_148 = lean_ctor_get(x_141, 1);
-lean_inc(x_148);
-lean_dec(x_141);
-x_3 = x_134;
-x_4 = x_148;
-goto _start;
-}
-}
-else
-{
-lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
-x_150 = lean_ctor_get(x_137, 1);
-lean_inc(x_150);
-lean_dec(x_137);
-lean_inc(x_2);
-x_151 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_133, x_150);
-x_152 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-x_153 = lean_unbox(x_152);
-if (x_153 == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_dec(x_152);
-x_154 = lean_ctor_get(x_151, 1);
-lean_inc(x_154);
-lean_dec(x_151);
-lean_inc(x_134);
-x_155 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_154);
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
-x_157 = lean_unbox(x_156);
-if (x_157 == 0)
-{
-uint8_t x_158; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_158 = !lean_is_exclusive(x_155);
-if (x_158 == 0)
-{
-lean_object* x_159; 
-x_159 = lean_ctor_get(x_155, 0);
-lean_dec(x_159);
-return x_155;
-}
-else
-{
-lean_object* x_160; lean_object* x_161; 
-x_160 = lean_ctor_get(x_155, 1);
-lean_inc(x_160);
-lean_dec(x_155);
-x_161 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_161, 0, x_156);
-lean_ctor_set(x_161, 1, x_160);
-return x_161;
-}
-}
-else
-{
-lean_object* x_162; 
-lean_dec(x_156);
-x_162 = lean_ctor_get(x_155, 1);
-lean_inc(x_162);
-lean_dec(x_155);
-x_3 = x_134;
-x_4 = x_162;
-goto _start;
-}
-}
-else
-{
-uint8_t x_164; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_164 = !lean_is_exclusive(x_151);
-if (x_164 == 0)
-{
-lean_object* x_165; 
-x_165 = lean_ctor_get(x_151, 0);
-lean_dec(x_165);
-return x_151;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_151, 1);
-lean_inc(x_166);
-lean_dec(x_151);
-x_167 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_167, 0, x_152);
-lean_ctor_set(x_167, 1, x_166);
-return x_167;
-}
-}
-}
-}
-else
-{
-lean_object* x_168; lean_object* x_169; 
-lean_dec(x_134);
-lean_dec(x_133);
-lean_dec(x_2);
-x_168 = lean_box(x_135);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_136);
-return x_169;
-}
-}
-}
-case 10:
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; 
-x_181 = lean_ctor_get(x_3, 1);
-lean_inc(x_181);
-lean_dec(x_3);
-lean_inc(x_181);
-x_182 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_181, x_4);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_unbox(x_183);
-if (x_184 == 0)
-{
-uint8_t x_185; 
-lean_dec(x_181);
-lean_dec(x_2);
-x_185 = !lean_is_exclusive(x_182);
-if (x_185 == 0)
-{
-lean_object* x_186; 
-x_186 = lean_ctor_get(x_182, 0);
-lean_dec(x_186);
-return x_182;
-}
-else
-{
-lean_object* x_187; lean_object* x_188; 
-x_187 = lean_ctor_get(x_182, 1);
-lean_inc(x_187);
-lean_dec(x_182);
-x_188 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_188, 0, x_183);
-lean_ctor_set(x_188, 1, x_187);
-return x_188;
-}
-}
-else
-{
-lean_object* x_189; 
-lean_dec(x_183);
-x_189 = lean_ctor_get(x_182, 1);
-lean_inc(x_189);
-lean_dec(x_182);
-x_3 = x_181;
-x_4 = x_189;
-goto _start;
-}
-}
-case 11:
-{
-lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
-x_191 = lean_ctor_get(x_3, 2);
-lean_inc(x_191);
-lean_dec(x_3);
-lean_inc(x_191);
-x_192 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_191, x_4);
-x_193 = lean_ctor_get(x_192, 0);
-lean_inc(x_193);
-x_194 = lean_unbox(x_193);
-if (x_194 == 0)
-{
-uint8_t x_195; 
-lean_dec(x_191);
-lean_dec(x_2);
-x_195 = !lean_is_exclusive(x_192);
-if (x_195 == 0)
-{
-lean_object* x_196; 
-x_196 = lean_ctor_get(x_192, 0);
-lean_dec(x_196);
-return x_192;
-}
-else
-{
-lean_object* x_197; lean_object* x_198; 
-x_197 = lean_ctor_get(x_192, 1);
-lean_inc(x_197);
-lean_dec(x_192);
-x_198 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_198, 0, x_193);
-lean_ctor_set(x_198, 1, x_197);
-return x_198;
-}
-}
-else
-{
-lean_object* x_199; 
-lean_dec(x_193);
-x_199 = lean_ctor_get(x_192, 1);
-lean_inc(x_199);
-lean_dec(x_192);
-x_3 = x_191;
-x_4 = x_199;
-goto _start;
-}
-}
-default: 
-{
-uint8_t x_201; lean_object* x_202; lean_object* x_203; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_201 = 0;
-x_202 = lean_box(x_201);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_4);
-return x_203;
-}
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_array_fget(x_3, x_5);
-x_9 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(x_1, x_8);
-lean_dec(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_unsigned_to_nat(1u);
-x_11 = lean_nat_add(x_5, x_10);
-lean_dec(x_5);
-x_5 = x_11;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_9;
-}
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = lean_array_get_size(x_3);
-x_5 = lean_unsigned_to_nat(0u);
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(x_1, x_3, x_3, x_4, x_5);
-lean_dec(x_4);
-return x_6;
-}
-else
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_7 = lean_ctor_get(x_2, 0);
-x_8 = lean_array_get_size(x_7);
-x_9 = lean_unsigned_to_nat(0u);
-x_10 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49(x_1, x_7, x_7, x_8, x_9);
-lean_dec(x_8);
-return x_10;
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(x_1, x_3);
-if (x_4 == 0)
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
-x_5 = lean_ctor_get(x_2, 1);
-x_6 = lean_array_get_size(x_5);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50(x_1, x_2, x_5, x_6, x_7);
-lean_dec(x_6);
-return x_8;
-}
-else
-{
-return x_4;
-}
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-switch (lean_obj_tag(x_3)) {
-case 1:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9; lean_object* x_10; 
-lean_dec(x_2);
-x_5 = lean_ctor_get(x_3, 0);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = lean_array_get_size(x_1);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_5, x_1, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_9 = lean_box(x_8);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_10, 1, x_4);
-return x_10;
-}
-case 2:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_3, 0);
-lean_inc(x_11);
-lean_dec(x_3);
-lean_inc(x_11);
-lean_inc(x_2);
-x_12 = lean_metavar_ctx_get_expr_assignment(x_2, x_11);
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; 
-x_13 = l_Lean_MetavarContext_getDecl(x_2, x_11);
-lean_dec(x_11);
-lean_dec(x_2);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 1);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(x_1, x_15);
-lean_dec(x_15);
-x_17 = lean_box(x_16);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_4);
-return x_18;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-lean_dec(x_11);
-x_19 = lean_ctor_get(x_12, 0);
-lean_inc(x_19);
-lean_dec(x_12);
-lean_inc(x_19);
-x_20 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_19, x_4);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_unbox(x_21);
-if (x_22 == 0)
-{
-uint8_t x_23; 
-lean_dec(x_19);
-lean_dec(x_2);
-x_23 = !lean_is_exclusive(x_20);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_20, 0);
-lean_dec(x_24);
-return x_20;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_dec(x_20);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_21);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
-}
-}
-else
-{
-lean_object* x_27; 
-lean_dec(x_21);
-x_27 = lean_ctor_get(x_20, 1);
-lean_inc(x_27);
-lean_dec(x_20);
-x_3 = x_19;
-x_4 = x_27;
-goto _start;
-}
-}
-}
-case 5:
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_29 = lean_ctor_get(x_3, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_3, 1);
-lean_inc(x_30);
-lean_dec(x_3);
-lean_inc(x_30);
-x_31 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_30, x_4);
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-x_33 = lean_unbox(x_32);
-lean_dec(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; uint8_t x_35; 
-lean_dec(x_30);
-x_34 = lean_ctor_get(x_31, 1);
-lean_inc(x_34);
-lean_dec(x_31);
-x_35 = l_Lean_Expr_isApp(x_29);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-lean_inc(x_29);
-x_36 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_34);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_unbox(x_37);
-if (x_38 == 0)
-{
-uint8_t x_39; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_39 = !lean_is_exclusive(x_36);
-if (x_39 == 0)
-{
-lean_object* x_40; 
-x_40 = lean_ctor_get(x_36, 0);
-lean_dec(x_40);
-return x_36;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_36, 1);
-lean_inc(x_41);
-lean_dec(x_36);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_37);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-else
-{
-lean_object* x_43; 
-lean_dec(x_37);
-x_43 = lean_ctor_get(x_36, 1);
-lean_inc(x_43);
-lean_dec(x_36);
-x_3 = x_29;
-x_4 = x_43;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_34;
-goto _start;
-}
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_46 = lean_ctor_get(x_31, 1);
-lean_inc(x_46);
-lean_dec(x_31);
-lean_inc(x_2);
-x_47 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_30, x_46);
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_unbox(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; uint8_t x_51; 
-lean_dec(x_48);
-x_50 = lean_ctor_get(x_47, 1);
-lean_inc(x_50);
-lean_dec(x_47);
-x_51 = l_Lean_Expr_isApp(x_29);
-if (x_51 == 0)
-{
-lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_inc(x_29);
-x_52 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_50);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_unbox(x_53);
-if (x_54 == 0)
-{
-uint8_t x_55; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_52);
-if (x_55 == 0)
-{
-lean_object* x_56; 
-x_56 = lean_ctor_get(x_52, 0);
-lean_dec(x_56);
-return x_52;
-}
-else
-{
-lean_object* x_57; lean_object* x_58; 
-x_57 = lean_ctor_get(x_52, 1);
-lean_inc(x_57);
-lean_dec(x_52);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_53);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; 
-lean_dec(x_53);
-x_59 = lean_ctor_get(x_52, 1);
-lean_inc(x_59);
-lean_dec(x_52);
-x_3 = x_29;
-x_4 = x_59;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_50;
-goto _start;
-}
-}
-else
-{
-uint8_t x_62; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_62 = !lean_is_exclusive(x_47);
-if (x_62 == 0)
-{
-lean_object* x_63; 
-x_63 = lean_ctor_get(x_47, 0);
-lean_dec(x_63);
-return x_47;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_47, 1);
-lean_inc(x_64);
-lean_dec(x_47);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_48);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
-}
-}
-}
-}
-case 6:
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_66 = lean_ctor_get(x_3, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_3, 2);
-lean_inc(x_67);
-lean_dec(x_3);
-lean_inc(x_66);
-x_68 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_66, x_4);
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_unbox(x_69);
-lean_dec(x_69);
-if (x_70 == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
-lean_dec(x_66);
-x_71 = lean_ctor_get(x_68, 1);
-lean_inc(x_71);
-lean_dec(x_68);
-lean_inc(x_67);
-x_72 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_71);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_unbox(x_73);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_75 = !lean_is_exclusive(x_72);
-if (x_75 == 0)
-{
-lean_object* x_76; 
-x_76 = lean_ctor_get(x_72, 0);
-lean_dec(x_76);
-return x_72;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_72, 1);
-lean_inc(x_77);
-lean_dec(x_72);
-x_78 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_78, 0, x_73);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
-else
-{
-lean_object* x_79; 
-lean_dec(x_73);
-x_79 = lean_ctor_get(x_72, 1);
-lean_inc(x_79);
-lean_dec(x_72);
-x_3 = x_67;
-x_4 = x_79;
-goto _start;
-}
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
-x_81 = lean_ctor_get(x_68, 1);
-lean_inc(x_81);
-lean_dec(x_68);
-lean_inc(x_2);
-x_82 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_66, x_81);
-x_83 = lean_ctor_get(x_82, 0);
-lean_inc(x_83);
-x_84 = lean_unbox(x_83);
-if (x_84 == 0)
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
-lean_dec(x_83);
-x_85 = lean_ctor_get(x_82, 1);
-lean_inc(x_85);
-lean_dec(x_82);
-lean_inc(x_67);
-x_86 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_85);
-x_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-x_88 = lean_unbox(x_87);
-if (x_88 == 0)
-{
-uint8_t x_89; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_89 = !lean_is_exclusive(x_86);
-if (x_89 == 0)
-{
-lean_object* x_90; 
-x_90 = lean_ctor_get(x_86, 0);
-lean_dec(x_90);
-return x_86;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; 
-x_91 = lean_ctor_get(x_86, 1);
-lean_inc(x_91);
-lean_dec(x_86);
-x_92 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_92, 0, x_87);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-else
-{
-lean_object* x_93; 
-lean_dec(x_87);
-x_93 = lean_ctor_get(x_86, 1);
-lean_inc(x_93);
-lean_dec(x_86);
-x_3 = x_67;
-x_4 = x_93;
-goto _start;
-}
-}
-else
-{
-uint8_t x_95; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_95 = !lean_is_exclusive(x_82);
-if (x_95 == 0)
-{
-lean_object* x_96; 
-x_96 = lean_ctor_get(x_82, 0);
-lean_dec(x_96);
-return x_82;
-}
-else
-{
-lean_object* x_97; lean_object* x_98; 
-x_97 = lean_ctor_get(x_82, 1);
-lean_inc(x_97);
-lean_dec(x_82);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_83);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
-}
-}
-}
-}
-case 7:
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_99 = lean_ctor_get(x_3, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_3, 2);
-lean_inc(x_100);
-lean_dec(x_3);
-lean_inc(x_99);
-x_101 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_99, x_4);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_unbox(x_102);
-lean_dec(x_102);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-lean_dec(x_99);
-x_104 = lean_ctor_get(x_101, 1);
-lean_inc(x_104);
-lean_dec(x_101);
-lean_inc(x_100);
-x_105 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_104);
-x_106 = lean_ctor_get(x_105, 0);
-lean_inc(x_106);
-x_107 = lean_unbox(x_106);
-if (x_107 == 0)
-{
-uint8_t x_108; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_108 = !lean_is_exclusive(x_105);
-if (x_108 == 0)
-{
-lean_object* x_109; 
-x_109 = lean_ctor_get(x_105, 0);
-lean_dec(x_109);
-return x_105;
-}
-else
-{
-lean_object* x_110; lean_object* x_111; 
-x_110 = lean_ctor_get(x_105, 1);
-lean_inc(x_110);
-lean_dec(x_105);
-x_111 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_111, 0, x_106);
-lean_ctor_set(x_111, 1, x_110);
-return x_111;
-}
-}
-else
-{
-lean_object* x_112; 
-lean_dec(x_106);
-x_112 = lean_ctor_get(x_105, 1);
-lean_inc(x_112);
-lean_dec(x_105);
-x_3 = x_100;
-x_4 = x_112;
-goto _start;
-}
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
-x_114 = lean_ctor_get(x_101, 1);
-lean_inc(x_114);
-lean_dec(x_101);
-lean_inc(x_2);
-x_115 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_99, x_114);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_unbox(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
-lean_dec(x_116);
-x_118 = lean_ctor_get(x_115, 1);
-lean_inc(x_118);
-lean_dec(x_115);
-lean_inc(x_100);
-x_119 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_118);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_unbox(x_120);
-if (x_121 == 0)
-{
-uint8_t x_122; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_122 = !lean_is_exclusive(x_119);
-if (x_122 == 0)
-{
-lean_object* x_123; 
-x_123 = lean_ctor_get(x_119, 0);
-lean_dec(x_123);
-return x_119;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; 
-x_124 = lean_ctor_get(x_119, 1);
-lean_inc(x_124);
-lean_dec(x_119);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_120);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-else
-{
-lean_object* x_126; 
-lean_dec(x_120);
-x_126 = lean_ctor_get(x_119, 1);
-lean_inc(x_126);
-lean_dec(x_119);
-x_3 = x_100;
-x_4 = x_126;
-goto _start;
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_128 = !lean_is_exclusive(x_115);
-if (x_128 == 0)
-{
-lean_object* x_129; 
-x_129 = lean_ctor_get(x_115, 0);
-lean_dec(x_129);
-return x_115;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; 
-x_130 = lean_ctor_get(x_115, 1);
-lean_inc(x_130);
-lean_dec(x_115);
-x_131 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_131, 0, x_116);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-}
-case 8:
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_132 = lean_ctor_get(x_3, 1);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_3, 2);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_3, 3);
-lean_inc(x_134);
-lean_dec(x_3);
-lean_inc(x_132);
-x_171 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_132, x_4);
-x_172 = lean_ctor_get(x_171, 0);
-lean_inc(x_172);
-x_173 = lean_unbox(x_172);
-if (x_173 == 0)
-{
-lean_object* x_174; uint8_t x_175; 
-lean_dec(x_132);
-x_174 = lean_ctor_get(x_171, 1);
-lean_inc(x_174);
-lean_dec(x_171);
-x_175 = lean_unbox(x_172);
-lean_dec(x_172);
-x_135 = x_175;
-x_136 = x_174;
-goto block_170;
-}
-else
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; 
-lean_dec(x_172);
-x_176 = lean_ctor_get(x_171, 1);
-lean_inc(x_176);
-lean_dec(x_171);
-lean_inc(x_2);
-x_177 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_132, x_176);
-x_178 = lean_ctor_get(x_177, 0);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_177, 1);
-lean_inc(x_179);
-lean_dec(x_177);
-x_180 = lean_unbox(x_178);
-lean_dec(x_178);
-x_135 = x_180;
-x_136 = x_179;
-goto block_170;
-}
-block_170:
-{
-if (x_135 == 0)
-{
-lean_object* x_137; lean_object* x_138; uint8_t x_139; 
-lean_inc(x_133);
-x_137 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_133, x_136);
-x_138 = lean_ctor_get(x_137, 0);
-lean_inc(x_138);
-x_139 = lean_unbox(x_138);
-lean_dec(x_138);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-lean_dec(x_133);
-x_140 = lean_ctor_get(x_137, 1);
-lean_inc(x_140);
-lean_dec(x_137);
-lean_inc(x_134);
-x_141 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_unbox(x_142);
-if (x_143 == 0)
-{
-uint8_t x_144; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_144 = !lean_is_exclusive(x_141);
-if (x_144 == 0)
-{
-lean_object* x_145; 
-x_145 = lean_ctor_get(x_141, 0);
-lean_dec(x_145);
-return x_141;
-}
-else
-{
-lean_object* x_146; lean_object* x_147; 
-x_146 = lean_ctor_get(x_141, 1);
-lean_inc(x_146);
-lean_dec(x_141);
-x_147 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_147, 0, x_142);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
-}
-}
-else
-{
-lean_object* x_148; 
-lean_dec(x_142);
-x_148 = lean_ctor_get(x_141, 1);
-lean_inc(x_148);
-lean_dec(x_141);
-x_3 = x_134;
-x_4 = x_148;
-goto _start;
-}
-}
-else
-{
-lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
-x_150 = lean_ctor_get(x_137, 1);
-lean_inc(x_150);
-lean_dec(x_137);
-lean_inc(x_2);
-x_151 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_133, x_150);
-x_152 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-x_153 = lean_unbox(x_152);
-if (x_153 == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_dec(x_152);
-x_154 = lean_ctor_get(x_151, 1);
-lean_inc(x_154);
-lean_dec(x_151);
-lean_inc(x_134);
-x_155 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_154);
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
-x_157 = lean_unbox(x_156);
-if (x_157 == 0)
-{
-uint8_t x_158; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_158 = !lean_is_exclusive(x_155);
-if (x_158 == 0)
-{
-lean_object* x_159; 
-x_159 = lean_ctor_get(x_155, 0);
-lean_dec(x_159);
-return x_155;
-}
-else
-{
-lean_object* x_160; lean_object* x_161; 
-x_160 = lean_ctor_get(x_155, 1);
-lean_inc(x_160);
-lean_dec(x_155);
-x_161 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_161, 0, x_156);
-lean_ctor_set(x_161, 1, x_160);
-return x_161;
-}
-}
-else
-{
-lean_object* x_162; 
-lean_dec(x_156);
-x_162 = lean_ctor_get(x_155, 1);
-lean_inc(x_162);
-lean_dec(x_155);
-x_3 = x_134;
-x_4 = x_162;
-goto _start;
-}
-}
-else
-{
-uint8_t x_164; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_164 = !lean_is_exclusive(x_151);
-if (x_164 == 0)
-{
-lean_object* x_165; 
-x_165 = lean_ctor_get(x_151, 0);
-lean_dec(x_165);
-return x_151;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_151, 1);
-lean_inc(x_166);
-lean_dec(x_151);
-x_167 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_167, 0, x_152);
-lean_ctor_set(x_167, 1, x_166);
-return x_167;
-}
-}
-}
-}
-else
-{
-lean_object* x_168; lean_object* x_169; 
-lean_dec(x_134);
-lean_dec(x_133);
-lean_dec(x_2);
-x_168 = lean_box(x_135);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_136);
-return x_169;
-}
-}
-}
-case 10:
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; 
-x_181 = lean_ctor_get(x_3, 1);
-lean_inc(x_181);
-lean_dec(x_3);
-lean_inc(x_181);
-x_182 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_181, x_4);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_unbox(x_183);
-if (x_184 == 0)
-{
-uint8_t x_185; 
-lean_dec(x_181);
-lean_dec(x_2);
-x_185 = !lean_is_exclusive(x_182);
-if (x_185 == 0)
-{
-lean_object* x_186; 
-x_186 = lean_ctor_get(x_182, 0);
-lean_dec(x_186);
-return x_182;
-}
-else
-{
-lean_object* x_187; lean_object* x_188; 
-x_187 = lean_ctor_get(x_182, 1);
-lean_inc(x_187);
-lean_dec(x_182);
-x_188 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_188, 0, x_183);
-lean_ctor_set(x_188, 1, x_187);
-return x_188;
-}
-}
-else
-{
-lean_object* x_189; 
-lean_dec(x_183);
-x_189 = lean_ctor_get(x_182, 1);
-lean_inc(x_189);
-lean_dec(x_182);
-x_3 = x_181;
-x_4 = x_189;
-goto _start;
-}
-}
-case 11:
-{
-lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
-x_191 = lean_ctor_get(x_3, 2);
-lean_inc(x_191);
-lean_dec(x_3);
-lean_inc(x_191);
-x_192 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_191, x_4);
-x_193 = lean_ctor_get(x_192, 0);
-lean_inc(x_193);
-x_194 = lean_unbox(x_193);
-if (x_194 == 0)
-{
-uint8_t x_195; 
-lean_dec(x_191);
-lean_dec(x_2);
-x_195 = !lean_is_exclusive(x_192);
-if (x_195 == 0)
-{
-lean_object* x_196; 
-x_196 = lean_ctor_get(x_192, 0);
-lean_dec(x_196);
-return x_192;
-}
-else
-{
-lean_object* x_197; lean_object* x_198; 
-x_197 = lean_ctor_get(x_192, 1);
-lean_inc(x_197);
-lean_dec(x_192);
-x_198 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_198, 0, x_193);
-lean_ctor_set(x_198, 1, x_197);
-return x_198;
-}
-}
-else
-{
-lean_object* x_199; 
-lean_dec(x_193);
-x_199 = lean_ctor_get(x_192, 1);
-lean_inc(x_199);
-lean_dec(x_192);
-x_3 = x_191;
-x_4 = x_199;
-goto _start;
-}
-}
-default: 
-{
-uint8_t x_201; lean_object* x_202; lean_object* x_203; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_201 = 0;
-x_202 = lean_box(x_201);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_4);
-return x_203;
-}
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_array_fget(x_3, x_5);
-x_9 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53(x_1, x_8);
-lean_dec(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_unsigned_to_nat(1u);
-x_11 = lean_nat_add(x_5, x_10);
-lean_dec(x_5);
-x_5 = x_11;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_9;
-}
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = lean_array_get_size(x_3);
-x_5 = lean_unsigned_to_nat(0u);
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54(x_1, x_3, x_3, x_4, x_5);
-lean_dec(x_4);
-return x_6;
-}
-else
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_7 = lean_ctor_get(x_2, 0);
-x_8 = lean_array_get_size(x_7);
-x_9 = lean_unsigned_to_nat(0u);
-x_10 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55(x_1, x_7, x_7, x_8, x_9);
-lean_dec(x_8);
-return x_10;
-}
-}
-}
-uint8_t l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_5);
-x_7 = 0;
-return x_7;
-}
-else
-{
-lean_object* x_8; 
-x_8 = lean_array_fget(x_3, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_5, x_9);
-lean_dec(x_5);
-x_5 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = l_Lean_LocalDecl_name(x_12);
-lean_dec(x_12);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_13, x_1, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_5, x_17);
-lean_dec(x_5);
-x_5 = x_18;
-goto _start;
-}
-else
-{
-lean_dec(x_5);
-return x_16;
-}
-}
-}
-}
-}
-uint8_t l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_2, 0);
-x_4 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53(x_1, x_3);
-if (x_4 == 0)
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
-x_5 = lean_ctor_get(x_2, 1);
-x_6 = lean_array_get_size(x_5);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56(x_1, x_2, x_5, x_6, x_7);
-lean_dec(x_6);
-return x_8;
-}
-else
-{
-return x_4;
-}
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-switch (lean_obj_tag(x_3)) {
-case 1:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9; lean_object* x_10; 
-lean_dec(x_2);
-x_5 = lean_ctor_get(x_3, 0);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = lean_array_get_size(x_1);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__2(x_1, x_5, x_1, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_9 = lean_box(x_8);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_10, 1, x_4);
-return x_10;
-}
-case 2:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_3, 0);
-lean_inc(x_11);
-lean_dec(x_3);
-lean_inc(x_11);
-lean_inc(x_2);
-x_12 = lean_metavar_ctx_get_expr_assignment(x_2, x_11);
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; 
-x_13 = l_Lean_MetavarContext_getDecl(x_2, x_11);
-lean_dec(x_11);
-lean_dec(x_2);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 1);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52(x_1, x_15);
-lean_dec(x_15);
-x_17 = lean_box(x_16);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_4);
-return x_18;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-lean_dec(x_11);
-x_19 = lean_ctor_get(x_12, 0);
-lean_inc(x_19);
-lean_dec(x_12);
-lean_inc(x_19);
-x_20 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_19, x_4);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_unbox(x_21);
-if (x_22 == 0)
-{
-uint8_t x_23; 
-lean_dec(x_19);
-lean_dec(x_2);
-x_23 = !lean_is_exclusive(x_20);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_20, 0);
-lean_dec(x_24);
-return x_20;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_dec(x_20);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_21);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
-}
-}
-else
-{
-lean_object* x_27; 
-lean_dec(x_21);
-x_27 = lean_ctor_get(x_20, 1);
-lean_inc(x_27);
-lean_dec(x_20);
-x_3 = x_19;
-x_4 = x_27;
-goto _start;
-}
-}
-}
-case 5:
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_29 = lean_ctor_get(x_3, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_3, 1);
-lean_inc(x_30);
-lean_dec(x_3);
-lean_inc(x_30);
-x_31 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_30, x_4);
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-x_33 = lean_unbox(x_32);
-lean_dec(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; uint8_t x_35; 
-lean_dec(x_30);
-x_34 = lean_ctor_get(x_31, 1);
-lean_inc(x_34);
-lean_dec(x_31);
-x_35 = l_Lean_Expr_isApp(x_29);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-lean_inc(x_29);
-x_36 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_34);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_unbox(x_37);
-if (x_38 == 0)
-{
-uint8_t x_39; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_39 = !lean_is_exclusive(x_36);
-if (x_39 == 0)
-{
-lean_object* x_40; 
-x_40 = lean_ctor_get(x_36, 0);
-lean_dec(x_40);
-return x_36;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_36, 1);
-lean_inc(x_41);
-lean_dec(x_36);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_37);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-else
-{
-lean_object* x_43; 
-lean_dec(x_37);
-x_43 = lean_ctor_get(x_36, 1);
-lean_inc(x_43);
-lean_dec(x_36);
-x_3 = x_29;
-x_4 = x_43;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_34;
-goto _start;
-}
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_46 = lean_ctor_get(x_31, 1);
-lean_inc(x_46);
-lean_dec(x_31);
-lean_inc(x_2);
-x_47 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_30, x_46);
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_unbox(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; uint8_t x_51; 
-lean_dec(x_48);
-x_50 = lean_ctor_get(x_47, 1);
-lean_inc(x_50);
-lean_dec(x_47);
-x_51 = l_Lean_Expr_isApp(x_29);
-if (x_51 == 0)
-{
-lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_inc(x_29);
-x_52 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_29, x_50);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_unbox(x_53);
-if (x_54 == 0)
-{
-uint8_t x_55; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_52);
-if (x_55 == 0)
-{
-lean_object* x_56; 
-x_56 = lean_ctor_get(x_52, 0);
-lean_dec(x_56);
-return x_52;
-}
-else
-{
-lean_object* x_57; lean_object* x_58; 
-x_57 = lean_ctor_get(x_52, 1);
-lean_inc(x_57);
-lean_dec(x_52);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_53);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; 
-lean_dec(x_53);
-x_59 = lean_ctor_get(x_52, 1);
-lean_inc(x_59);
-lean_dec(x_52);
-x_3 = x_29;
-x_4 = x_59;
-goto _start;
-}
-}
-else
-{
-x_3 = x_29;
-x_4 = x_50;
-goto _start;
-}
-}
-else
-{
-uint8_t x_62; 
-lean_dec(x_29);
-lean_dec(x_2);
-x_62 = !lean_is_exclusive(x_47);
-if (x_62 == 0)
-{
-lean_object* x_63; 
-x_63 = lean_ctor_get(x_47, 0);
-lean_dec(x_63);
-return x_47;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_47, 1);
-lean_inc(x_64);
-lean_dec(x_47);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_48);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
-}
-}
-}
-}
-case 6:
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_66 = lean_ctor_get(x_3, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_3, 2);
-lean_inc(x_67);
-lean_dec(x_3);
-lean_inc(x_66);
-x_68 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_66, x_4);
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_unbox(x_69);
-lean_dec(x_69);
-if (x_70 == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
-lean_dec(x_66);
-x_71 = lean_ctor_get(x_68, 1);
-lean_inc(x_71);
-lean_dec(x_68);
-lean_inc(x_67);
-x_72 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_71);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_unbox(x_73);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_75 = !lean_is_exclusive(x_72);
-if (x_75 == 0)
-{
-lean_object* x_76; 
-x_76 = lean_ctor_get(x_72, 0);
-lean_dec(x_76);
-return x_72;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_72, 1);
-lean_inc(x_77);
-lean_dec(x_72);
-x_78 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_78, 0, x_73);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
-else
-{
-lean_object* x_79; 
-lean_dec(x_73);
-x_79 = lean_ctor_get(x_72, 1);
-lean_inc(x_79);
-lean_dec(x_72);
-x_3 = x_67;
-x_4 = x_79;
-goto _start;
-}
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
-x_81 = lean_ctor_get(x_68, 1);
-lean_inc(x_81);
-lean_dec(x_68);
-lean_inc(x_2);
-x_82 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_66, x_81);
-x_83 = lean_ctor_get(x_82, 0);
-lean_inc(x_83);
-x_84 = lean_unbox(x_83);
-if (x_84 == 0)
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
-lean_dec(x_83);
-x_85 = lean_ctor_get(x_82, 1);
-lean_inc(x_85);
-lean_dec(x_82);
-lean_inc(x_67);
-x_86 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_67, x_85);
-x_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-x_88 = lean_unbox(x_87);
-if (x_88 == 0)
-{
-uint8_t x_89; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_89 = !lean_is_exclusive(x_86);
-if (x_89 == 0)
-{
-lean_object* x_90; 
-x_90 = lean_ctor_get(x_86, 0);
-lean_dec(x_90);
-return x_86;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; 
-x_91 = lean_ctor_get(x_86, 1);
-lean_inc(x_91);
-lean_dec(x_86);
-x_92 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_92, 0, x_87);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-else
-{
-lean_object* x_93; 
-lean_dec(x_87);
-x_93 = lean_ctor_get(x_86, 1);
-lean_inc(x_93);
-lean_dec(x_86);
-x_3 = x_67;
-x_4 = x_93;
-goto _start;
-}
-}
-else
-{
-uint8_t x_95; 
-lean_dec(x_67);
-lean_dec(x_2);
-x_95 = !lean_is_exclusive(x_82);
-if (x_95 == 0)
-{
-lean_object* x_96; 
-x_96 = lean_ctor_get(x_82, 0);
-lean_dec(x_96);
-return x_82;
-}
-else
-{
-lean_object* x_97; lean_object* x_98; 
-x_97 = lean_ctor_get(x_82, 1);
-lean_inc(x_97);
-lean_dec(x_82);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_83);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
-}
-}
-}
-}
-case 7:
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_99 = lean_ctor_get(x_3, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_3, 2);
-lean_inc(x_100);
-lean_dec(x_3);
-lean_inc(x_99);
-x_101 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_99, x_4);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_unbox(x_102);
-lean_dec(x_102);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-lean_dec(x_99);
-x_104 = lean_ctor_get(x_101, 1);
-lean_inc(x_104);
-lean_dec(x_101);
-lean_inc(x_100);
-x_105 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_104);
-x_106 = lean_ctor_get(x_105, 0);
-lean_inc(x_106);
-x_107 = lean_unbox(x_106);
-if (x_107 == 0)
-{
-uint8_t x_108; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_108 = !lean_is_exclusive(x_105);
-if (x_108 == 0)
-{
-lean_object* x_109; 
-x_109 = lean_ctor_get(x_105, 0);
-lean_dec(x_109);
-return x_105;
-}
-else
-{
-lean_object* x_110; lean_object* x_111; 
-x_110 = lean_ctor_get(x_105, 1);
-lean_inc(x_110);
-lean_dec(x_105);
-x_111 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_111, 0, x_106);
-lean_ctor_set(x_111, 1, x_110);
-return x_111;
-}
-}
-else
-{
-lean_object* x_112; 
-lean_dec(x_106);
-x_112 = lean_ctor_get(x_105, 1);
-lean_inc(x_112);
-lean_dec(x_105);
-x_3 = x_100;
-x_4 = x_112;
-goto _start;
-}
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
-x_114 = lean_ctor_get(x_101, 1);
-lean_inc(x_114);
-lean_dec(x_101);
-lean_inc(x_2);
-x_115 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_99, x_114);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_unbox(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
-lean_dec(x_116);
-x_118 = lean_ctor_get(x_115, 1);
-lean_inc(x_118);
-lean_dec(x_115);
-lean_inc(x_100);
-x_119 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_100, x_118);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_unbox(x_120);
-if (x_121 == 0)
-{
-uint8_t x_122; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_122 = !lean_is_exclusive(x_119);
-if (x_122 == 0)
-{
-lean_object* x_123; 
-x_123 = lean_ctor_get(x_119, 0);
-lean_dec(x_123);
-return x_119;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; 
-x_124 = lean_ctor_get(x_119, 1);
-lean_inc(x_124);
-lean_dec(x_119);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_120);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-else
-{
-lean_object* x_126; 
-lean_dec(x_120);
-x_126 = lean_ctor_get(x_119, 1);
-lean_inc(x_126);
-lean_dec(x_119);
-x_3 = x_100;
-x_4 = x_126;
-goto _start;
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_100);
-lean_dec(x_2);
-x_128 = !lean_is_exclusive(x_115);
-if (x_128 == 0)
-{
-lean_object* x_129; 
-x_129 = lean_ctor_get(x_115, 0);
-lean_dec(x_129);
-return x_115;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; 
-x_130 = lean_ctor_get(x_115, 1);
-lean_inc(x_130);
-lean_dec(x_115);
-x_131 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_131, 0, x_116);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-}
-case 8:
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_132 = lean_ctor_get(x_3, 1);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_3, 2);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_3, 3);
-lean_inc(x_134);
-lean_dec(x_3);
-lean_inc(x_132);
-x_171 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_132, x_4);
-x_172 = lean_ctor_get(x_171, 0);
-lean_inc(x_172);
-x_173 = lean_unbox(x_172);
-if (x_173 == 0)
-{
-lean_object* x_174; uint8_t x_175; 
-lean_dec(x_132);
-x_174 = lean_ctor_get(x_171, 1);
-lean_inc(x_174);
-lean_dec(x_171);
-x_175 = lean_unbox(x_172);
-lean_dec(x_172);
-x_135 = x_175;
-x_136 = x_174;
-goto block_170;
-}
-else
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; 
-lean_dec(x_172);
-x_176 = lean_ctor_get(x_171, 1);
-lean_inc(x_176);
-lean_dec(x_171);
-lean_inc(x_2);
-x_177 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_132, x_176);
-x_178 = lean_ctor_get(x_177, 0);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_177, 1);
-lean_inc(x_179);
-lean_dec(x_177);
-x_180 = lean_unbox(x_178);
-lean_dec(x_178);
-x_135 = x_180;
-x_136 = x_179;
-goto block_170;
-}
-block_170:
-{
-if (x_135 == 0)
-{
-lean_object* x_137; lean_object* x_138; uint8_t x_139; 
-lean_inc(x_133);
-x_137 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_133, x_136);
-x_138 = lean_ctor_get(x_137, 0);
-lean_inc(x_138);
-x_139 = lean_unbox(x_138);
-lean_dec(x_138);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-lean_dec(x_133);
-x_140 = lean_ctor_get(x_137, 1);
-lean_inc(x_140);
-lean_dec(x_137);
-lean_inc(x_134);
-x_141 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_unbox(x_142);
-if (x_143 == 0)
-{
-uint8_t x_144; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_144 = !lean_is_exclusive(x_141);
-if (x_144 == 0)
-{
-lean_object* x_145; 
-x_145 = lean_ctor_get(x_141, 0);
-lean_dec(x_145);
-return x_141;
-}
-else
-{
-lean_object* x_146; lean_object* x_147; 
-x_146 = lean_ctor_get(x_141, 1);
-lean_inc(x_146);
-lean_dec(x_141);
-x_147 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_147, 0, x_142);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
-}
-}
-else
-{
-lean_object* x_148; 
-lean_dec(x_142);
-x_148 = lean_ctor_get(x_141, 1);
-lean_inc(x_148);
-lean_dec(x_141);
-x_3 = x_134;
-x_4 = x_148;
-goto _start;
-}
-}
-else
-{
-lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
-x_150 = lean_ctor_get(x_137, 1);
-lean_inc(x_150);
-lean_dec(x_137);
-lean_inc(x_2);
-x_151 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_133, x_150);
-x_152 = lean_ctor_get(x_151, 0);
-lean_inc(x_152);
-x_153 = lean_unbox(x_152);
-if (x_153 == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_dec(x_152);
-x_154 = lean_ctor_get(x_151, 1);
-lean_inc(x_154);
-lean_dec(x_151);
-lean_inc(x_134);
-x_155 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_134, x_154);
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
-x_157 = lean_unbox(x_156);
-if (x_157 == 0)
-{
-uint8_t x_158; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_158 = !lean_is_exclusive(x_155);
-if (x_158 == 0)
-{
-lean_object* x_159; 
-x_159 = lean_ctor_get(x_155, 0);
-lean_dec(x_159);
-return x_155;
-}
-else
-{
-lean_object* x_160; lean_object* x_161; 
-x_160 = lean_ctor_get(x_155, 1);
-lean_inc(x_160);
-lean_dec(x_155);
-x_161 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_161, 0, x_156);
-lean_ctor_set(x_161, 1, x_160);
-return x_161;
-}
-}
-else
-{
-lean_object* x_162; 
-lean_dec(x_156);
-x_162 = lean_ctor_get(x_155, 1);
-lean_inc(x_162);
-lean_dec(x_155);
-x_3 = x_134;
-x_4 = x_162;
-goto _start;
-}
-}
-else
-{
-uint8_t x_164; 
-lean_dec(x_134);
-lean_dec(x_2);
-x_164 = !lean_is_exclusive(x_151);
-if (x_164 == 0)
-{
-lean_object* x_165; 
-x_165 = lean_ctor_get(x_151, 0);
-lean_dec(x_165);
-return x_151;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_151, 1);
-lean_inc(x_166);
-lean_dec(x_151);
-x_167 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_167, 0, x_152);
-lean_ctor_set(x_167, 1, x_166);
-return x_167;
-}
-}
-}
-}
-else
-{
-lean_object* x_168; lean_object* x_169; 
-lean_dec(x_134);
-lean_dec(x_133);
-lean_dec(x_2);
-x_168 = lean_box(x_135);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_136);
-return x_169;
-}
-}
-}
-case 10:
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; 
-x_181 = lean_ctor_get(x_3, 1);
-lean_inc(x_181);
-lean_dec(x_3);
-lean_inc(x_181);
-x_182 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_181, x_4);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_unbox(x_183);
-if (x_184 == 0)
-{
-uint8_t x_185; 
-lean_dec(x_181);
-lean_dec(x_2);
-x_185 = !lean_is_exclusive(x_182);
-if (x_185 == 0)
-{
-lean_object* x_186; 
-x_186 = lean_ctor_get(x_182, 0);
-lean_dec(x_186);
-return x_182;
-}
-else
-{
-lean_object* x_187; lean_object* x_188; 
-x_187 = lean_ctor_get(x_182, 1);
-lean_inc(x_187);
-lean_dec(x_182);
-x_188 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_188, 0, x_183);
-lean_ctor_set(x_188, 1, x_187);
-return x_188;
-}
-}
-else
-{
-lean_object* x_189; 
-lean_dec(x_183);
-x_189 = lean_ctor_get(x_182, 1);
-lean_inc(x_189);
-lean_dec(x_182);
-x_3 = x_181;
-x_4 = x_189;
-goto _start;
-}
-}
-case 11:
-{
-lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
-x_191 = lean_ctor_get(x_3, 2);
-lean_inc(x_191);
-lean_dec(x_3);
-lean_inc(x_191);
-x_192 = l___private_Init_Lean_MetavarContext_8__visit_x3f(x_191, x_4);
-x_193 = lean_ctor_get(x_192, 0);
-lean_inc(x_193);
-x_194 = lean_unbox(x_193);
-if (x_194 == 0)
-{
-uint8_t x_195; 
-lean_dec(x_191);
-lean_dec(x_2);
-x_195 = !lean_is_exclusive(x_192);
-if (x_195 == 0)
-{
-lean_object* x_196; 
-x_196 = lean_ctor_get(x_192, 0);
-lean_dec(x_196);
-return x_192;
-}
-else
-{
-lean_object* x_197; lean_object* x_198; 
-x_197 = lean_ctor_get(x_192, 1);
-lean_inc(x_197);
-lean_dec(x_192);
-x_198 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_198, 0, x_193);
-lean_ctor_set(x_198, 1, x_197);
-return x_198;
-}
-}
-else
-{
-lean_object* x_199; 
-lean_dec(x_193);
-x_199 = lean_ctor_get(x_192, 1);
-lean_inc(x_199);
-lean_dec(x_192);
-x_3 = x_191;
-x_4 = x_199;
-goto _start;
-}
-}
-default: 
-{
-uint8_t x_201; lean_object* x_202; lean_object* x_203; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_201 = 0;
-x_202 = lean_box(x_201);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_4);
-return x_203;
-}
-}
-}
-}
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -28831,7 +22455,7 @@ else
 lean_object* x_9; lean_object* x_10; 
 x_9 = lean_array_fget(x_3, x_4);
 lean_inc(x_1);
-x_10 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg(x_1, x_9, x_5);
+x_10 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg(x_1, x_9, x_5);
 lean_dec(x_9);
 if (lean_obj_tag(x_10) == 0)
 {
@@ -28870,15 +22494,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -28937,15 +22561,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -28953,7 +22577,7 @@ if (lean_obj_tag(x_2) == 0)
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_unsigned_to_nat(0u);
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg(x_1, x_4, x_4, x_5, x_3);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg(x_1, x_4, x_4, x_5, x_3);
 return x_6;
 }
 else
@@ -28961,20 +22585,20 @@ else
 lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 x_7 = lean_ctor_get(x_2, 0);
 x_8 = lean_unsigned_to_nat(0u);
-x_9 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg(x_1, x_7, x_7, x_8, x_3);
+x_9 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg(x_1, x_7, x_7, x_8, x_3);
 return x_9;
 }
 }
 }
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60(lean_object* x_1) {
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg___boxed), 3, 0);
+x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg___boxed), 3, 0);
 return x_2;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -28995,7 +22619,7 @@ else
 lean_object* x_9; lean_object* x_10; 
 x_9 = lean_array_fget(x_3, x_4);
 lean_inc(x_1);
-x_10 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg(x_1, x_9, x_5);
+x_10 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg(x_1, x_9, x_5);
 lean_dec(x_9);
 if (lean_obj_tag(x_10) == 0)
 {
@@ -29034,15 +22658,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -29101,15 +22725,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5) {
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -29127,7 +22751,7 @@ x_14 = x_3 & x_13;
 x_15 = 5;
 x_16 = x_4 - x_15;
 lean_inc(x_1);
-x_17 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg(x_1, x_10, x_14, x_16, x_5);
+x_17 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg(x_1, x_10, x_14, x_16, x_5);
 lean_dec(x_10);
 if (lean_obj_tag(x_17) == 0)
 {
@@ -29159,7 +22783,7 @@ lean_dec(x_17);
 x_22 = lean_unsigned_to_nat(1u);
 x_23 = lean_nat_add(x_8, x_22);
 lean_dec(x_8);
-x_24 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg(x_1, x_6, x_6, x_23, x_21);
+x_24 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg(x_1, x_6, x_6, x_23, x_21);
 return x_24;
 }
 }
@@ -29168,20 +22792,20 @@ else
 lean_object* x_25; lean_object* x_26; lean_object* x_27; 
 x_25 = lean_ctor_get(x_2, 0);
 x_26 = lean_usize_to_nat(x_3);
-x_27 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg(x_1, x_25, x_25, x_26, x_5);
+x_27 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg(x_1, x_25, x_25, x_26, x_5);
 return x_27;
 }
 }
 }
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59(lean_object* x_1) {
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -29240,15 +22864,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; uint8_t x_7; 
@@ -29307,15 +22931,15 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66(lean_object* x_1) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; uint8_t x_6; 
@@ -29328,7 +22952,7 @@ x_7 = lean_ctor_get(x_1, 0);
 x_8 = lean_usize_of_nat(x_4);
 x_9 = lean_ctor_get_usize(x_1, 4);
 lean_inc(x_2);
-x_10 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg(x_2, x_7, x_8, x_9, x_3);
+x_10 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg(x_2, x_7, x_8, x_9, x_3);
 if (lean_obj_tag(x_10) == 0)
 {
 uint8_t x_11; 
@@ -29357,7 +22981,7 @@ lean_inc(x_14);
 lean_dec(x_10);
 x_15 = lean_ctor_get(x_1, 1);
 x_16 = lean_unsigned_to_nat(0u);
-x_17 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg(x_1, x_2, x_15, x_16, x_14);
+x_17 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg(x_1, x_2, x_15, x_16, x_14);
 return x_17;
 }
 }
@@ -29366,20 +22990,20 @@ else
 lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 x_18 = lean_ctor_get(x_1, 1);
 x_19 = lean_nat_sub(x_4, x_5);
-x_20 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg(x_1, x_2, x_18, x_19, x_3);
+x_20 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg(x_1, x_2, x_18, x_19, x_3);
 return x_20;
 }
 }
 }
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58(lean_object* x_1) {
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg___boxed), 4, 0);
+x_2 = lean_alloc_closure((void*)(l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg___boxed), 4, 0);
 return x_2;
 }
 }
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 if (lean_obj_tag(x_6) == 0)
@@ -29394,49 +23018,65 @@ return x_7;
 }
 else
 {
-lean_object* x_8; uint8_t x_9; lean_object* x_19; uint8_t x_20; 
+lean_object* x_8; lean_object* x_9; lean_object* x_18; uint8_t x_19; 
 x_8 = lean_ctor_get(x_6, 0);
 lean_inc(x_8);
 lean_dec(x_6);
-x_19 = lean_unsigned_to_nat(0u);
-x_20 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__1(x_3, x_8, x_3, x_4, x_19);
-if (x_20 == 0)
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__1(x_3, x_8, x_3, x_4, x_18);
+if (x_19 == 0)
 {
 if (lean_obj_tag(x_8) == 0)
 {
-lean_object* x_21; uint8_t x_22; 
-x_21 = lean_ctor_get(x_8, 3);
-lean_inc(x_21);
-x_22 = lean_expr_has_fvar(x_21);
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_8, 3);
+lean_inc(x_20);
+x_21 = l_Lean_Expr_hasFVar(x_20);
+if (x_21 == 0)
+{
+uint8_t x_22; 
+x_22 = l_Lean_Expr_hasMVar(x_20);
 if (x_22 == 0)
 {
-uint8_t x_23; 
-x_23 = lean_expr_has_expr_mvar(x_21);
-if (x_23 == 0)
-{
-uint8_t x_24; 
-x_24 = lean_expr_has_level_mvar(x_21);
-if (x_24 == 0)
-{
-uint8_t x_25; 
-lean_dec(x_21);
-x_25 = 0;
-x_9 = x_25;
-goto block_18;
+lean_object* x_23; 
+lean_dec(x_20);
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_23 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_23, 0, x_5);
+return x_23;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l_HashMap_Inhabited___closed__1;
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_24 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_1);
-x_27 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__3(x_5, x_1, x_21, x_26);
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-lean_dec(x_27);
-x_29 = lean_unbox(x_28);
-lean_dec(x_28);
+x_25 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__3(x_5, x_1, x_20, x_24);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = lean_unbox(x_26);
+lean_dec(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; 
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_28 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_28, 0, x_5);
+return x_28;
+}
+else
+{
+lean_object* x_29; 
+x_29 = lean_box(0);
 x_9 = x_29;
-goto block_18;
+goto block_17;
+}
 }
 }
 else
@@ -29444,259 +23084,245 @@ else
 lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
 x_30 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_1);
-x_31 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__9(x_5, x_1, x_21, x_30);
+x_31 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__9(x_5, x_1, x_20, x_30);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 lean_dec(x_31);
 x_33 = lean_unbox(x_32);
 lean_dec(x_32);
-x_9 = x_33;
-goto block_18;
+if (x_33 == 0)
+{
+lean_object* x_34; 
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_34 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_34, 0, x_5);
+return x_34;
+}
+else
+{
+lean_object* x_35; 
+x_35 = lean_box(0);
+x_9 = x_35;
+goto block_17;
+}
 }
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_34 = l_HashMap_Inhabited___closed__1;
-lean_inc(x_1);
-x_35 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__15(x_5, x_1, x_21, x_34);
-x_36 = lean_ctor_get(x_35, 0);
+lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; uint8_t x_55; 
+x_36 = lean_ctor_get(x_8, 3);
 lean_inc(x_36);
-lean_dec(x_35);
-x_37 = lean_unbox(x_36);
-lean_dec(x_36);
-x_9 = x_37;
-goto block_18;
-}
-}
-else
+x_37 = lean_ctor_get(x_8, 4);
+lean_inc(x_37);
+x_55 = l_Lean_Expr_hasFVar(x_36);
+if (x_55 == 0)
 {
-lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; uint8_t x_56; 
-x_38 = lean_ctor_get(x_8, 3);
-lean_inc(x_38);
-x_39 = lean_ctor_get(x_8, 4);
-lean_inc(x_39);
-x_56 = lean_expr_has_fvar(x_38);
+uint8_t x_56; 
+x_56 = l_Lean_Expr_hasMVar(x_36);
 if (x_56 == 0)
 {
-uint8_t x_57; 
-x_57 = lean_expr_has_expr_mvar(x_38);
-if (x_57 == 0)
-{
-uint8_t x_58; 
-x_58 = lean_expr_has_level_mvar(x_38);
-if (x_58 == 0)
-{
-uint8_t x_59; lean_object* x_60; 
-lean_dec(x_38);
-x_59 = 0;
-x_60 = l_HashMap_Inhabited___closed__1;
-x_40 = x_59;
-x_41 = x_60;
-goto block_55;
+uint8_t x_57; lean_object* x_58; 
+lean_dec(x_36);
+x_57 = 0;
+x_58 = l_HashMap_Inhabited___closed__1;
+x_38 = x_57;
+x_39 = x_58;
+goto block_54;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
-x_61 = l_HashMap_Inhabited___closed__1;
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_59 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_1);
-x_62 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_5, x_1, x_38, x_61);
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
-lean_dec(x_62);
-x_65 = lean_unbox(x_63);
-lean_dec(x_63);
-x_40 = x_65;
-x_41 = x_64;
-goto block_55;
+x_60 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__27(x_5, x_1, x_36, x_59);
+x_61 = lean_ctor_get(x_60, 0);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_60, 1);
+lean_inc(x_62);
+lean_dec(x_60);
+x_63 = lean_unbox(x_61);
+lean_dec(x_61);
+x_38 = x_63;
+x_39 = x_62;
+goto block_54;
 }
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_66 = l_HashMap_Inhabited___closed__1;
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_64 = l_HashMap_Inhabited___closed__1;
 lean_inc(x_1);
-x_67 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_5, x_1, x_38, x_66);
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_67, 1);
-lean_inc(x_69);
-lean_dec(x_67);
-x_70 = lean_unbox(x_68);
-lean_dec(x_68);
-x_40 = x_70;
-x_41 = x_69;
-goto block_55;
+x_65 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__33(x_5, x_1, x_36, x_64);
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
+lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_38 = x_68;
+x_39 = x_67;
+goto block_54;
 }
-}
-else
+block_54:
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
-x_71 = l_HashMap_Inhabited___closed__1;
-lean_inc(x_1);
-x_72 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_5, x_1, x_38, x_71);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_72, 1);
-lean_inc(x_74);
-lean_dec(x_72);
-x_75 = lean_unbox(x_73);
-lean_dec(x_73);
-x_40 = x_75;
-x_41 = x_74;
-goto block_55;
-}
-block_55:
+if (x_38 == 0)
 {
+uint8_t x_40; 
+x_40 = l_Lean_Expr_hasFVar(x_37);
 if (x_40 == 0)
 {
-uint8_t x_42; 
-x_42 = lean_expr_has_fvar(x_39);
-if (x_42 == 0)
+uint8_t x_41; 
+x_41 = l_Lean_Expr_hasMVar(x_37);
+if (x_41 == 0)
 {
-uint8_t x_43; 
-x_43 = lean_expr_has_expr_mvar(x_39);
-if (x_43 == 0)
-{
-uint8_t x_44; 
-x_44 = lean_expr_has_level_mvar(x_39);
-if (x_44 == 0)
-{
-uint8_t x_45; 
-lean_dec(x_41);
+lean_object* x_42; 
 lean_dec(x_39);
-x_45 = 0;
-x_9 = x_45;
-goto block_18;
+lean_dec(x_37);
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_42 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_42, 0, x_5);
+return x_42;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_object* x_43; lean_object* x_44; uint8_t x_45; 
 lean_inc(x_1);
-x_46 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__21(x_5, x_1, x_39, x_41);
-x_47 = lean_ctor_get(x_46, 0);
-lean_inc(x_47);
-lean_dec(x_46);
-x_48 = lean_unbox(x_47);
-lean_dec(x_47);
-x_9 = x_48;
-goto block_18;
+x_43 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__15(x_5, x_1, x_37, x_39);
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_unbox(x_44);
+lean_dec(x_44);
+if (x_45 == 0)
+{
+lean_object* x_46; 
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_46 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_46, 0, x_5);
+return x_46;
+}
+else
+{
+lean_object* x_47; 
+x_47 = lean_box(0);
+x_9 = x_47;
+goto block_17;
+}
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_1);
-x_49 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__27(x_5, x_1, x_39, x_41);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
+x_48 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__21(x_5, x_1, x_37, x_39);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_unbox(x_49);
 lean_dec(x_49);
-x_51 = lean_unbox(x_50);
-lean_dec(x_50);
-x_9 = x_51;
-goto block_18;
+if (x_50 == 0)
+{
+lean_object* x_51; 
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_51 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_51, 0, x_5);
+return x_51;
+}
+else
+{
+lean_object* x_52; 
+x_52 = lean_box(0);
+x_9 = x_52;
+goto block_17;
+}
 }
 }
 else
 {
-lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_inc(x_1);
-x_52 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__33(x_5, x_1, x_39, x_41);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-lean_dec(x_52);
-x_54 = lean_unbox(x_53);
-lean_dec(x_53);
-x_9 = x_54;
-goto block_18;
-}
-}
-else
-{
-lean_dec(x_41);
+lean_object* x_53; 
 lean_dec(x_39);
-x_9 = x_40;
-goto block_18;
+lean_dec(x_37);
+x_53 = lean_box(0);
+x_9 = x_53;
+goto block_17;
 }
 }
 }
 }
 else
 {
-lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_76 = l_Lean_LocalDecl_toExpr(x_8);
+x_69 = l_Lean_LocalDecl_toExpr(x_8);
 lean_dec(x_8);
-x_77 = lean_array_push(x_5, x_76);
-x_78 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_78, 0, x_77);
-return x_78;
+x_70 = lean_array_push(x_5, x_69);
+x_71 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_71, 0, x_70);
+return x_71;
 }
-block_18:
+block_17:
 {
-if (x_9 == 0)
+uint8_t x_10; uint8_t x_11; 
+lean_dec(x_9);
+x_10 = l_Lean_LocalDecl_binderInfo(x_8);
+x_11 = l_Lean_BinderInfo_isAuxDecl(x_10);
+if (x_11 == 0)
 {
-lean_object* x_10; 
-lean_dec(x_8);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_10 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_10, 0, x_5);
-return x_10;
+x_12 = l_Lean_LocalDecl_toExpr(x_8);
+lean_dec(x_8);
+x_13 = lean_array_push(x_5, x_12);
+x_14 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_14, 0, x_13);
+return x_14;
 }
 else
 {
-uint8_t x_11; uint8_t x_12; 
-x_11 = l_Lean_LocalDecl_binderInfo(x_8);
-x_12 = l_Lean_BinderInfo_isAuxDecl(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_13 = l_Lean_LocalDecl_toExpr(x_8);
-lean_dec(x_8);
-x_14 = lean_array_push(x_5, x_13);
-x_15 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_15, 0, x_14);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; 
+lean_object* x_15; lean_object* x_16; 
 lean_dec(x_5);
-x_16 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_16, 0, x_1);
-lean_ctor_set(x_16, 1, x_2);
-lean_ctor_set(x_16, 2, x_3);
-lean_ctor_set(x_16, 3, x_8);
-x_17 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_17, 0, x_16);
-return x_17;
+x_15 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_15, 0, x_1);
+lean_ctor_set(x_15, 1, x_2);
+lean_ctor_set(x_15, 2, x_3);
+lean_ctor_set(x_15, 3, x_8);
+x_16 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_16, 0, x_15);
+return x_16;
 }
 }
 }
 }
 }
-}
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_8 = lean_ctor_get(x_5, 1);
-x_9 = lean_alloc_closure((void*)(l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1___boxed), 6, 4);
+x_9 = lean_alloc_closure((void*)(l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1___boxed), 6, 4);
 lean_closure_set(x_9, 0, x_1);
 lean_closure_set(x_9, 1, x_2);
 lean_closure_set(x_9, 2, x_3);
 lean_closure_set(x_9, 3, x_4);
 x_10 = l_Lean_LocalDecl_index(x_7);
-x_11 = l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg(x_8, x_9, x_6, x_10);
+x_11 = l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg(x_8, x_9, x_6, x_10);
 lean_dec(x_10);
 return x_11;
 }
@@ -29715,7 +23341,7 @@ lean_inc(x_2);
 x_7 = l___private_Init_Lean_MetavarContext_12__getLocalDeclWithSmallestIdx(x_2, x_3);
 x_8 = lean_mk_empty_array_with_capacity(x_4);
 lean_inc(x_2);
-x_9 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57(x_1, x_2, x_3, x_4, x_2, x_8, x_7);
+x_9 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_3, x_4, x_2, x_8, x_7);
 lean_dec(x_7);
 lean_dec(x_2);
 return x_9;
@@ -30178,266 +23804,56 @@ lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__49(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__50(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__54(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__55(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__53(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; 
-x_6 = l_Array_anyRangeMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__56(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_7 = lean_box(x_6);
-return x_7;
-}
-}
-lean_object* l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_PersistentArray_anyM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__52(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l___private_Init_Lean_MetavarContext_10__dep___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__51(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__61___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__43___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_6;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__62___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__44___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_6;
 }
 }
-lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__60___rarg(x_1, x_2, x_3);
+x_4 = l_PersistentArray_foldlMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__42___rarg(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__63___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__45___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_6;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__64___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__46___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_6;
 }
 }
-lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 size_t x_6; size_t x_7; lean_object* x_8; 
@@ -30445,55 +23861,55 @@ x_6 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_7 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_8 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__59___rarg(x_1, x_2, x_6, x_7, x_5);
+x_8 = l_PersistentArray_foldlFromMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__41___rarg(x_1, x_2, x_6, x_7, x_5);
 lean_dec(x_2);
 return x_8;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__65___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__47___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_1);
 return x_6;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__66___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__48___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_1);
 return x_6;
 }
 }
-lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__58___rarg(x_1, x_2, x_3, x_4);
+x_5 = l_PersistentArray_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__40___rarg(x_1, x_2, x_3, x_4);
 lean_dec(x_4);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_4);
 return x_7;
 }
 }
-lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+lean_object* l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__57(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_LocalContext_foldlFromM___at___private_Init_Lean_MetavarContext_13__collectDeps___spec__39(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_7);
 lean_dec(x_5);
 return x_8;
@@ -30559,277 +23975,143 @@ lean_object* l___private_Init_Lean_MetavarContext_15__visit(lean_object* x_1, le
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_expr_mvar(x_2);
+x_4 = l_Lean_Expr_hasMVar(x_2);
 if (x_4 == 0)
 {
-uint8_t x_5; 
-x_5 = lean_expr_has_level_mvar(x_2);
-if (x_5 == 0)
-{
-lean_object* x_6; 
+lean_object* x_5; 
 lean_dec(x_1);
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_2);
-lean_ctor_set(x_6, 1, x_3);
-return x_6;
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_2);
+lean_ctor_set(x_5, 1, x_3);
+return x_5;
 }
 else
 {
-lean_object* x_7; lean_object* x_8; 
-x_7 = lean_ctor_get(x_3, 2);
-lean_inc(x_7);
-x_8 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_7, x_2);
-lean_dec(x_7);
+lean_object* x_6; lean_object* x_7; 
+x_6 = lean_ctor_get(x_3, 2);
+lean_inc(x_6);
+x_7 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_6, x_2);
+lean_dec(x_6);
+if (lean_obj_tag(x_7) == 0)
+{
+lean_object* x_8; 
+lean_inc(x_2);
+x_8 = lean_apply_2(x_1, x_2, x_3);
 if (lean_obj_tag(x_8) == 0)
 {
-lean_object* x_9; 
-lean_inc(x_2);
-x_9 = lean_apply_2(x_1, x_2, x_3);
-if (lean_obj_tag(x_9) == 0)
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_8);
+if (x_9 == 0)
 {
-uint8_t x_10; 
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_ctor_get(x_8, 1);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
 {
-lean_object* x_11; uint8_t x_12; 
-x_11 = lean_ctor_get(x_9, 1);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_9, 0);
-x_14 = lean_ctor_get(x_11, 2);
-lean_inc(x_13);
-x_15 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_14, x_2, x_13);
-lean_ctor_set(x_11, 2, x_15);
-return x_9;
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_8, 0);
+x_13 = lean_ctor_get(x_10, 2);
+lean_inc(x_12);
+x_14 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_13, x_2, x_12);
+lean_ctor_set(x_10, 2, x_14);
+return x_8;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_16 = lean_ctor_get(x_9, 0);
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-x_19 = lean_ctor_get(x_11, 2);
-lean_inc(x_19);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_15 = lean_ctor_get(x_8, 0);
+x_16 = lean_ctor_get(x_10, 0);
+x_17 = lean_ctor_get(x_10, 1);
+x_18 = lean_ctor_get(x_10, 2);
 lean_inc(x_18);
 lean_inc(x_17);
-lean_dec(x_11);
 lean_inc(x_16);
-x_20 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_19, x_2, x_16);
-x_21 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_21, 0, x_17);
-lean_ctor_set(x_21, 1, x_18);
-lean_ctor_set(x_21, 2, x_20);
-lean_ctor_set(x_9, 1, x_21);
-return x_9;
+lean_dec(x_10);
+lean_inc(x_15);
+x_19 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_18, x_2, x_15);
+x_20 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_20, 0, x_16);
+lean_ctor_set(x_20, 1, x_17);
+lean_ctor_set(x_20, 2, x_19);
+lean_ctor_set(x_8, 1, x_20);
+return x_8;
 }
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_22 = lean_ctor_get(x_9, 1);
-x_23 = lean_ctor_get(x_9, 0);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_21 = lean_ctor_get(x_8, 1);
+x_22 = lean_ctor_get(x_8, 0);
+lean_inc(x_21);
 lean_inc(x_22);
-lean_inc(x_23);
-lean_dec(x_9);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_22, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_22, 2);
-lean_inc(x_26);
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- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- x_27 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_27 = lean_box(0);
-}
-lean_inc(x_23);
-x_28 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_26, x_2, x_23);
-if (lean_is_scalar(x_27)) {
- x_29 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_29 = x_27;
-}
-lean_ctor_set(x_29, 0, x_24);
-lean_ctor_set(x_29, 1, x_25);
-lean_ctor_set(x_29, 2, x_28);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_23);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-else
-{
-uint8_t x_31; 
-lean_dec(x_2);
-x_31 = !lean_is_exclusive(x_9);
-if (x_31 == 0)
-{
-return x_9;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_9, 0);
-x_33 = lean_ctor_get(x_9, 1);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_9);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
-}
-}
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-lean_dec(x_2);
-lean_dec(x_1);
-x_35 = lean_ctor_get(x_8, 0);
-lean_inc(x_35);
 lean_dec(x_8);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_3);
-return x_36;
-}
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; 
-x_37 = lean_ctor_get(x_3, 2);
-lean_inc(x_37);
-x_38 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_37, x_2);
-lean_dec(x_37);
-if (lean_obj_tag(x_38) == 0)
-{
-lean_object* x_39; 
-lean_inc(x_2);
-x_39 = lean_apply_2(x_1, x_2, x_3);
-if (lean_obj_tag(x_39) == 0)
-{
-uint8_t x_40; 
-x_40 = !lean_is_exclusive(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; uint8_t x_42; 
-x_41 = lean_ctor_get(x_39, 1);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_39, 0);
-x_44 = lean_ctor_get(x_41, 2);
-lean_inc(x_43);
-x_45 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_44, x_2, x_43);
-lean_ctor_set(x_41, 2, x_45);
-return x_39;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_46 = lean_ctor_get(x_39, 0);
-x_47 = lean_ctor_get(x_41, 0);
-x_48 = lean_ctor_get(x_41, 1);
-x_49 = lean_ctor_get(x_41, 2);
-lean_inc(x_49);
-lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_41);
-lean_inc(x_46);
-x_50 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_49, x_2, x_46);
-x_51 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_51, 0, x_47);
-lean_ctor_set(x_51, 1, x_48);
-lean_ctor_set(x_51, 2, x_50);
-lean_ctor_set(x_39, 1, x_51);
-return x_39;
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_52 = lean_ctor_get(x_39, 1);
-x_53 = lean_ctor_get(x_39, 0);
-lean_inc(x_52);
-lean_inc(x_53);
-lean_dec(x_39);
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_52, 1);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_52, 2);
-lean_inc(x_56);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- x_57 = x_52;
+x_23 = lean_ctor_get(x_21, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_21, 2);
+lean_inc(x_25);
+if (lean_is_exclusive(x_21)) {
+ lean_ctor_release(x_21, 0);
+ lean_ctor_release(x_21, 1);
+ lean_ctor_release(x_21, 2);
+ x_26 = x_21;
 } else {
- lean_dec_ref(x_52);
- x_57 = lean_box(0);
+ lean_dec_ref(x_21);
+ x_26 = lean_box(0);
 }
-lean_inc(x_53);
-x_58 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_56, x_2, x_53);
-if (lean_is_scalar(x_57)) {
- x_59 = lean_alloc_ctor(0, 3, 0);
+lean_inc(x_22);
+x_27 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_25, x_2, x_22);
+if (lean_is_scalar(x_26)) {
+ x_28 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_59 = x_57;
+ x_28 = x_26;
 }
-lean_ctor_set(x_59, 0, x_54);
-lean_ctor_set(x_59, 1, x_55);
-lean_ctor_set(x_59, 2, x_58);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_53);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
+lean_ctor_set(x_28, 0, x_23);
+lean_ctor_set(x_28, 1, x_24);
+lean_ctor_set(x_28, 2, x_27);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_22);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
 }
 }
 else
 {
-uint8_t x_61; 
+uint8_t x_30; 
 lean_dec(x_2);
-x_61 = !lean_is_exclusive(x_39);
-if (x_61 == 0)
+x_30 = !lean_is_exclusive(x_8);
+if (x_30 == 0)
 {
-return x_39;
+return x_8;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_39, 0);
-x_63 = lean_ctor_get(x_39, 1);
-lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_39);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_8, 0);
+x_32 = lean_ctor_get(x_8, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_8);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
 }
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
+lean_object* x_34; lean_object* x_35; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_65 = lean_ctor_get(x_38, 0);
-lean_inc(x_65);
-lean_dec(x_38);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_3);
-return x_66;
+x_34 = lean_ctor_get(x_7, 0);
+lean_inc(x_34);
+lean_dec(x_7);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_3);
+return x_35;
 }
 }
 }
@@ -31121,7 +24403,7 @@ lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = l_Lean_Expr_inhabited;
+x_9 = l_Lean_Expr_Inhabited;
 x_10 = lean_array_get(x_9, x_1, x_2);
 x_11 = l_Lean_LocalContext_findFVar(x_3, x_10);
 lean_dec(x_10);
@@ -31146,1188 +24428,752 @@ lean_inc(x_16);
 lean_dec(x_11);
 if (lean_obj_tag(x_16) == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; uint8_t x_28; 
+lean_object* x_17; lean_object* x_18; uint8_t x_19; uint8_t x_20; 
 x_17 = lean_ctor_get(x_16, 2);
 lean_inc(x_17);
 x_18 = lean_ctor_get(x_16, 3);
 lean_inc(x_18);
 x_19 = lean_ctor_get_uint8(x_16, sizeof(void*)*4);
 lean_dec(x_16);
-x_28 = lean_expr_has_expr_mvar(x_18);
-if (x_28 == 0)
-{
-uint8_t x_29; 
-x_29 = lean_expr_has_level_mvar(x_18);
-if (x_29 == 0)
+x_20 = l_Lean_Expr_hasMVar(x_18);
+if (x_20 == 0)
 {
+lean_object* x_21; 
 lean_dec(x_7);
-x_20 = x_18;
-x_21 = x_8;
-goto block_27;
+x_21 = lean_expr_abstract_range(x_18, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_18);
+if (x_5 == 0)
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = l_Lean_mkForall(x_17, x_19, x_21, x_6);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_8);
+return x_23;
 }
 else
 {
+lean_object* x_24; lean_object* x_25; 
+x_24 = l_Lean_mkLambda(x_17, x_19, x_21, x_6);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_8);
+return x_25;
+}
+}
+else
+{
+uint8_t x_26; 
+x_26 = !lean_is_exclusive(x_8);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_8, 2);
+x_28 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_8, 2, x_28);
+lean_inc(x_1);
+x_29 = lean_apply_3(x_7, x_1, x_18, x_8);
+if (lean_obj_tag(x_29) == 0)
+{
 uint8_t x_30; 
-x_30 = !lean_is_exclusive(x_8);
+x_30 = !lean_is_exclusive(x_29);
 if (x_30 == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_8, 2);
-x_32 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_8, 2, x_32);
-lean_inc(x_1);
-x_33 = lean_apply_3(x_7, x_1, x_18, x_8);
-if (lean_obj_tag(x_33) == 0)
+lean_object* x_31; uint8_t x_32; 
+x_31 = lean_ctor_get(x_29, 1);
+x_32 = !lean_is_exclusive(x_31);
+if (x_32 == 0)
 {
-lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_34 = lean_ctor_get(x_33, 1);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 0);
-lean_inc(x_35);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_31, 2);
+lean_dec(x_34);
+lean_ctor_set(x_31, 2, x_27);
+x_35 = lean_expr_abstract_range(x_33, x_2, x_1);
+lean_dec(x_1);
 lean_dec(x_33);
-x_36 = !lean_is_exclusive(x_34);
-if (x_36 == 0)
+if (x_5 == 0)
+{
+lean_object* x_36; 
+x_36 = l_Lean_mkForall(x_17, x_19, x_35, x_6);
+lean_ctor_set(x_29, 0, x_36);
+return x_29;
+}
+else
 {
 lean_object* x_37; 
-x_37 = lean_ctor_get(x_34, 2);
-lean_dec(x_37);
-lean_ctor_set(x_34, 2, x_31);
-x_20 = x_35;
-x_21 = x_34;
-goto block_27;
+x_37 = l_Lean_mkLambda(x_17, x_19, x_35, x_6);
+lean_ctor_set(x_29, 0, x_37);
+return x_29;
+}
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_34, 0);
-x_39 = lean_ctor_get(x_34, 1);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_31, 0);
+x_40 = lean_ctor_get(x_31, 1);
+lean_inc(x_40);
 lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_34);
-x_40 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
-lean_ctor_set(x_40, 2, x_31);
-x_20 = x_35;
-x_21 = x_40;
-goto block_27;
-}
-}
-else
-{
-uint8_t x_41; 
 lean_dec(x_31);
-lean_dec(x_17);
-lean_dec(x_6);
+x_41 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_41, 0, x_39);
+lean_ctor_set(x_41, 1, x_40);
+lean_ctor_set(x_41, 2, x_27);
+x_42 = lean_expr_abstract_range(x_38, x_2, x_1);
 lean_dec(x_1);
-x_41 = !lean_is_exclusive(x_33);
-if (x_41 == 0)
+lean_dec(x_38);
+if (x_5 == 0)
 {
-return x_33;
+lean_object* x_43; 
+x_43 = l_Lean_mkForall(x_17, x_19, x_42, x_6);
+lean_ctor_set(x_29, 1, x_41);
+lean_ctor_set(x_29, 0, x_43);
+return x_29;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_33, 0);
-x_43 = lean_ctor_get(x_33, 1);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_33);
-x_44 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_43);
-return x_44;
+lean_object* x_44; 
+x_44 = l_Lean_mkLambda(x_17, x_19, x_42, x_6);
+lean_ctor_set(x_29, 1, x_41);
+lean_ctor_set(x_29, 0, x_44);
+return x_29;
 }
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_45 = lean_ctor_get(x_8, 0);
-x_46 = lean_ctor_get(x_8, 1);
-x_47 = lean_ctor_get(x_8, 2);
-lean_inc(x_47);
-lean_inc(x_46);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_45 = lean_ctor_get(x_29, 1);
+x_46 = lean_ctor_get(x_29, 0);
 lean_inc(x_45);
-lean_dec(x_8);
-x_48 = l_HashMap_Inhabited___closed__1;
-x_49 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_49, 0, x_45);
-lean_ctor_set(x_49, 1, x_46);
-lean_ctor_set(x_49, 2, x_48);
-lean_inc(x_1);
-x_50 = lean_apply_3(x_7, x_1, x_18, x_49);
-if (lean_obj_tag(x_50) == 0)
+lean_inc(x_46);
+lean_dec(x_29);
+x_47 = lean_ctor_get(x_45, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_45, 1);
+lean_inc(x_48);
+if (lean_is_exclusive(x_45)) {
+ lean_ctor_release(x_45, 0);
+ lean_ctor_release(x_45, 1);
+ lean_ctor_release(x_45, 2);
+ x_49 = x_45;
+} else {
+ lean_dec_ref(x_45);
+ x_49 = lean_box(0);
+}
+if (lean_is_scalar(x_49)) {
+ x_50 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_50 = x_49;
+}
+lean_ctor_set(x_50, 0, x_47);
+lean_ctor_set(x_50, 1, x_48);
+lean_ctor_set(x_50, 2, x_27);
+x_51 = lean_expr_abstract_range(x_46, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_46);
+if (x_5 == 0)
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_51 = lean_ctor_get(x_50, 1);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 0);
-lean_inc(x_52);
-lean_dec(x_50);
-x_53 = lean_ctor_get(x_51, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_51, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_51)) {
- lean_ctor_release(x_51, 0);
- lean_ctor_release(x_51, 1);
- lean_ctor_release(x_51, 2);
- x_55 = x_51;
-} else {
- lean_dec_ref(x_51);
- x_55 = lean_box(0);
-}
-if (lean_is_scalar(x_55)) {
- x_56 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_56 = x_55;
-}
-lean_ctor_set(x_56, 0, x_53);
-lean_ctor_set(x_56, 1, x_54);
-lean_ctor_set(x_56, 2, x_47);
-x_20 = x_52;
-x_21 = x_56;
-goto block_27;
+lean_object* x_52; lean_object* x_53; 
+x_52 = l_Lean_mkForall(x_17, x_19, x_51, x_6);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_50);
+return x_53;
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-lean_dec(x_47);
+lean_object* x_54; lean_object* x_55; 
+x_54 = l_Lean_mkLambda(x_17, x_19, x_51, x_6);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_50);
+return x_55;
+}
+}
+}
+else
+{
+uint8_t x_56; 
+lean_dec(x_27);
 lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_1);
-x_57 = lean_ctor_get(x_50, 0);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_50, 1);
+x_56 = !lean_is_exclusive(x_29);
+if (x_56 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_29, 0);
+x_58 = lean_ctor_get(x_29, 1);
 lean_inc(x_58);
-if (lean_is_exclusive(x_50)) {
- lean_ctor_release(x_50, 0);
- lean_ctor_release(x_50, 1);
- x_59 = x_50;
-} else {
- lean_dec_ref(x_50);
- x_59 = lean_box(0);
-}
-if (lean_is_scalar(x_59)) {
- x_60 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_60 = x_59;
-}
-lean_ctor_set(x_60, 0, x_57);
-lean_ctor_set(x_60, 1, x_58);
-return x_60;
-}
+lean_inc(x_57);
+lean_dec(x_29);
+x_59 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
 }
 }
 else
 {
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_8);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_60 = lean_ctor_get(x_8, 0);
+x_61 = lean_ctor_get(x_8, 1);
 x_62 = lean_ctor_get(x_8, 2);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_8);
 x_63 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_8, 2, x_63);
+x_64 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_64, 0, x_60);
+lean_ctor_set(x_64, 1, x_61);
+lean_ctor_set(x_64, 2, x_63);
 lean_inc(x_1);
-x_64 = lean_apply_3(x_7, x_1, x_18, x_8);
-if (lean_obj_tag(x_64) == 0)
+x_65 = lean_apply_3(x_7, x_1, x_18, x_64);
+if (lean_obj_tag(x_65) == 0)
 {
-lean_object* x_65; lean_object* x_66; uint8_t x_67; 
-x_65 = lean_ctor_get(x_64, 1);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_64, 0);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_66 = lean_ctor_get(x_65, 1);
 lean_inc(x_66);
-lean_dec(x_64);
-x_67 = !lean_is_exclusive(x_65);
-if (x_67 == 0)
-{
-lean_object* x_68; 
-x_68 = lean_ctor_get(x_65, 2);
-lean_dec(x_68);
-lean_ctor_set(x_65, 2, x_62);
-x_20 = x_66;
-x_21 = x_65;
-goto block_27;
+x_67 = lean_ctor_get(x_65, 0);
+lean_inc(x_67);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_68 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_68 = lean_box(0);
 }
-else
-{
-lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_69 = lean_ctor_get(x_65, 0);
-x_70 = lean_ctor_get(x_65, 1);
-lean_inc(x_70);
+x_69 = lean_ctor_get(x_66, 0);
 lean_inc(x_69);
-lean_dec(x_65);
-x_71 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_71, 0, x_69);
-lean_ctor_set(x_71, 1, x_70);
-lean_ctor_set(x_71, 2, x_62);
-x_20 = x_66;
-x_21 = x_71;
-goto block_27;
+x_70 = lean_ctor_get(x_66, 1);
+lean_inc(x_70);
+if (lean_is_exclusive(x_66)) {
+ lean_ctor_release(x_66, 0);
+ lean_ctor_release(x_66, 1);
+ lean_ctor_release(x_66, 2);
+ x_71 = x_66;
+} else {
+ lean_dec_ref(x_66);
+ x_71 = lean_box(0);
+}
+if (lean_is_scalar(x_71)) {
+ x_72 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_72 = x_71;
+}
+lean_ctor_set(x_72, 0, x_69);
+lean_ctor_set(x_72, 1, x_70);
+lean_ctor_set(x_72, 2, x_62);
+x_73 = lean_expr_abstract_range(x_67, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_67);
+if (x_5 == 0)
+{
+lean_object* x_74; lean_object* x_75; 
+x_74 = l_Lean_mkForall(x_17, x_19, x_73, x_6);
+if (lean_is_scalar(x_68)) {
+ x_75 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_75 = x_68;
+}
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+x_76 = l_Lean_mkLambda(x_17, x_19, x_73, x_6);
+if (lean_is_scalar(x_68)) {
+ x_77 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_77 = x_68;
+}
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_72);
+return x_77;
 }
 }
 else
 {
-uint8_t x_72; 
+lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
 lean_dec(x_62);
 lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_1);
-x_72 = !lean_is_exclusive(x_64);
-if (x_72 == 0)
-{
-return x_64;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_64, 0);
-x_74 = lean_ctor_get(x_64, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_64);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
-}
-}
-}
-else
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_76 = lean_ctor_get(x_8, 0);
-x_77 = lean_ctor_get(x_8, 1);
-x_78 = lean_ctor_get(x_8, 2);
+x_78 = lean_ctor_get(x_65, 0);
 lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_dec(x_8);
-x_79 = l_HashMap_Inhabited___closed__1;
-x_80 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_80, 0, x_76);
-lean_ctor_set(x_80, 1, x_77);
-lean_ctor_set(x_80, 2, x_79);
-lean_inc(x_1);
-x_81 = lean_apply_3(x_7, x_1, x_18, x_80);
-if (lean_obj_tag(x_81) == 0)
+x_79 = lean_ctor_get(x_65, 1);
+lean_inc(x_79);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_80 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_80 = lean_box(0);
+}
+if (lean_is_scalar(x_80)) {
+ x_81 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_81 = x_80;
+}
+lean_ctor_set(x_81, 0, x_78);
+lean_ctor_set(x_81, 1, x_79);
+return x_81;
+}
+}
+}
+}
+else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_82 = lean_ctor_get(x_81, 1);
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_148; uint8_t x_149; 
+x_82 = lean_ctor_get(x_16, 2);
 lean_inc(x_82);
-x_83 = lean_ctor_get(x_81, 0);
+x_83 = lean_ctor_get(x_16, 3);
 lean_inc(x_83);
-lean_dec(x_81);
-x_84 = lean_ctor_get(x_82, 0);
+x_84 = lean_ctor_get(x_16, 4);
 lean_inc(x_84);
-x_85 = lean_ctor_get(x_82, 1);
-lean_inc(x_85);
-if (lean_is_exclusive(x_82)) {
- lean_ctor_release(x_82, 0);
- lean_ctor_release(x_82, 1);
- lean_ctor_release(x_82, 2);
- x_86 = x_82;
-} else {
- lean_dec_ref(x_82);
- x_86 = lean_box(0);
-}
-if (lean_is_scalar(x_86)) {
- x_87 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_87 = x_86;
-}
-lean_ctor_set(x_87, 0, x_84);
-lean_ctor_set(x_87, 1, x_85);
-lean_ctor_set(x_87, 2, x_78);
-x_20 = x_83;
-x_21 = x_87;
-goto block_27;
-}
-else
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_78);
-lean_dec(x_17);
-lean_dec(x_6);
-lean_dec(x_1);
-x_88 = lean_ctor_get(x_81, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_81, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_81)) {
- lean_ctor_release(x_81, 0);
- lean_ctor_release(x_81, 1);
- x_90 = x_81;
-} else {
- lean_dec_ref(x_81);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_88);
-lean_ctor_set(x_91, 1, x_89);
-return x_91;
-}
-}
-}
-block_27:
-{
-lean_object* x_22; 
-x_22 = lean_expr_abstract_range(x_20, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_20);
-if (x_5 == 0)
-{
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_expr_mk_forall(x_17, x_19, x_22, x_6);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_21);
-return x_24;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_expr_mk_lambda(x_17, x_19, x_22, x_6);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_21);
-return x_26;
-}
-}
-}
-else
-{
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_204; uint8_t x_205; 
-x_92 = lean_ctor_get(x_16, 2);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_16, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_16, 4);
-lean_inc(x_94);
 lean_dec(x_16);
-x_204 = lean_unsigned_to_nat(0u);
-x_205 = lean_expr_has_loose_bvar(x_6, x_204);
-if (x_205 == 0)
+x_148 = lean_unsigned_to_nat(0u);
+x_149 = lean_expr_has_loose_bvar(x_6, x_148);
+if (x_149 == 0)
 {
-lean_object* x_206; 
-lean_dec(x_94);
-lean_dec(x_93);
-lean_dec(x_92);
+lean_object* x_150; 
+lean_dec(x_84);
+lean_dec(x_83);
+lean_dec(x_82);
 lean_dec(x_7);
 lean_dec(x_1);
-x_206 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_206, 0, x_6);
-lean_ctor_set(x_206, 1, x_8);
-return x_206;
+x_150 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_150, 0, x_6);
+lean_ctor_set(x_150, 1, x_8);
+return x_150;
 }
 else
 {
-uint8_t x_207; 
-x_207 = lean_expr_has_expr_mvar(x_93);
-if (x_207 == 0)
+uint8_t x_151; 
+x_151 = l_Lean_Expr_hasMVar(x_83);
+if (x_151 == 0)
 {
-uint8_t x_208; 
-x_208 = lean_expr_has_level_mvar(x_93);
-if (x_208 == 0)
-{
-x_95 = x_93;
-x_96 = x_8;
-goto block_203;
+x_85 = x_83;
+x_86 = x_8;
+goto block_147;
 }
 else
 {
-uint8_t x_209; 
-x_209 = !lean_is_exclusive(x_8);
-if (x_209 == 0)
+uint8_t x_152; 
+x_152 = !lean_is_exclusive(x_8);
+if (x_152 == 0)
 {
-lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_210 = lean_ctor_get(x_8, 2);
-x_211 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_8, 2, x_211);
+lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_153 = lean_ctor_get(x_8, 2);
+x_154 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_8, 2, x_154);
 lean_inc(x_7);
 lean_inc(x_1);
-x_212 = lean_apply_3(x_7, x_1, x_93, x_8);
-if (lean_obj_tag(x_212) == 0)
+x_155 = lean_apply_3(x_7, x_1, x_83, x_8);
+if (lean_obj_tag(x_155) == 0)
 {
-lean_object* x_213; lean_object* x_214; uint8_t x_215; 
-x_213 = lean_ctor_get(x_212, 1);
-lean_inc(x_213);
-x_214 = lean_ctor_get(x_212, 0);
-lean_inc(x_214);
-lean_dec(x_212);
-x_215 = !lean_is_exclusive(x_213);
-if (x_215 == 0)
+lean_object* x_156; lean_object* x_157; uint8_t x_158; 
+x_156 = lean_ctor_get(x_155, 1);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_155, 0);
+lean_inc(x_157);
+lean_dec(x_155);
+x_158 = !lean_is_exclusive(x_156);
+if (x_158 == 0)
 {
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_213, 2);
-lean_dec(x_216);
-lean_ctor_set(x_213, 2, x_210);
-x_95 = x_214;
-x_96 = x_213;
-goto block_203;
+lean_object* x_159; 
+x_159 = lean_ctor_get(x_156, 2);
+lean_dec(x_159);
+lean_ctor_set(x_156, 2, x_153);
+x_85 = x_157;
+x_86 = x_156;
+goto block_147;
 }
 else
 {
-lean_object* x_217; lean_object* x_218; lean_object* x_219; 
-x_217 = lean_ctor_get(x_213, 0);
-x_218 = lean_ctor_get(x_213, 1);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_dec(x_213);
-x_219 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_219, 0, x_217);
-lean_ctor_set(x_219, 1, x_218);
-lean_ctor_set(x_219, 2, x_210);
-x_95 = x_214;
-x_96 = x_219;
-goto block_203;
-}
-}
-else
-{
-uint8_t x_220; 
-lean_dec(x_210);
-lean_dec(x_94);
-lean_dec(x_92);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_1);
-x_220 = !lean_is_exclusive(x_212);
-if (x_220 == 0)
-{
-return x_212;
-}
-else
-{
-lean_object* x_221; lean_object* x_222; lean_object* x_223; 
-x_221 = lean_ctor_get(x_212, 0);
-x_222 = lean_ctor_get(x_212, 1);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_dec(x_212);
-x_223 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_223, 0, x_221);
-lean_ctor_set(x_223, 1, x_222);
-return x_223;
-}
-}
-}
-else
-{
-lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; 
-x_224 = lean_ctor_get(x_8, 0);
-x_225 = lean_ctor_get(x_8, 1);
-x_226 = lean_ctor_get(x_8, 2);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_dec(x_8);
-x_227 = l_HashMap_Inhabited___closed__1;
-x_228 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_228, 0, x_224);
-lean_ctor_set(x_228, 1, x_225);
-lean_ctor_set(x_228, 2, x_227);
-lean_inc(x_7);
-lean_inc(x_1);
-x_229 = lean_apply_3(x_7, x_1, x_93, x_228);
-if (lean_obj_tag(x_229) == 0)
-{
-lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; 
-x_230 = lean_ctor_get(x_229, 1);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_229, 0);
-lean_inc(x_231);
-lean_dec(x_229);
-x_232 = lean_ctor_get(x_230, 0);
-lean_inc(x_232);
-x_233 = lean_ctor_get(x_230, 1);
-lean_inc(x_233);
-if (lean_is_exclusive(x_230)) {
- lean_ctor_release(x_230, 0);
- lean_ctor_release(x_230, 1);
- lean_ctor_release(x_230, 2);
- x_234 = x_230;
-} else {
- lean_dec_ref(x_230);
- x_234 = lean_box(0);
-}
-if (lean_is_scalar(x_234)) {
- x_235 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_235 = x_234;
-}
-lean_ctor_set(x_235, 0, x_232);
-lean_ctor_set(x_235, 1, x_233);
-lean_ctor_set(x_235, 2, x_226);
-x_95 = x_231;
-x_96 = x_235;
-goto block_203;
-}
-else
-{
-lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; 
-lean_dec(x_226);
-lean_dec(x_94);
-lean_dec(x_92);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_1);
-x_236 = lean_ctor_get(x_229, 0);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_229, 1);
-lean_inc(x_237);
-if (lean_is_exclusive(x_229)) {
- lean_ctor_release(x_229, 0);
- lean_ctor_release(x_229, 1);
- x_238 = x_229;
-} else {
- lean_dec_ref(x_229);
- x_238 = lean_box(0);
-}
-if (lean_is_scalar(x_238)) {
- x_239 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_239 = x_238;
-}
-lean_ctor_set(x_239, 0, x_236);
-lean_ctor_set(x_239, 1, x_237);
-return x_239;
-}
-}
-}
-}
-else
-{
-uint8_t x_240; 
-x_240 = !lean_is_exclusive(x_8);
-if (x_240 == 0)
-{
-lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_241 = lean_ctor_get(x_8, 2);
-x_242 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_8, 2, x_242);
-lean_inc(x_7);
-lean_inc(x_1);
-x_243 = lean_apply_3(x_7, x_1, x_93, x_8);
-if (lean_obj_tag(x_243) == 0)
-{
-lean_object* x_244; lean_object* x_245; uint8_t x_246; 
-x_244 = lean_ctor_get(x_243, 1);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_243, 0);
-lean_inc(x_245);
-lean_dec(x_243);
-x_246 = !lean_is_exclusive(x_244);
-if (x_246 == 0)
-{
-lean_object* x_247; 
-x_247 = lean_ctor_get(x_244, 2);
-lean_dec(x_247);
-lean_ctor_set(x_244, 2, x_241);
-x_95 = x_245;
-x_96 = x_244;
-goto block_203;
-}
-else
-{
-lean_object* x_248; lean_object* x_249; lean_object* x_250; 
-x_248 = lean_ctor_get(x_244, 0);
-x_249 = lean_ctor_get(x_244, 1);
-lean_inc(x_249);
-lean_inc(x_248);
-lean_dec(x_244);
-x_250 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_250, 0, x_248);
-lean_ctor_set(x_250, 1, x_249);
-lean_ctor_set(x_250, 2, x_241);
-x_95 = x_245;
-x_96 = x_250;
-goto block_203;
-}
-}
-else
-{
-uint8_t x_251; 
-lean_dec(x_241);
-lean_dec(x_94);
-lean_dec(x_92);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_1);
-x_251 = !lean_is_exclusive(x_243);
-if (x_251 == 0)
-{
-return x_243;
-}
-else
-{
-lean_object* x_252; lean_object* x_253; lean_object* x_254; 
-x_252 = lean_ctor_get(x_243, 0);
-x_253 = lean_ctor_get(x_243, 1);
-lean_inc(x_253);
-lean_inc(x_252);
-lean_dec(x_243);
-x_254 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_254, 0, x_252);
-lean_ctor_set(x_254, 1, x_253);
-return x_254;
-}
-}
-}
-else
-{
-lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; 
-x_255 = lean_ctor_get(x_8, 0);
-x_256 = lean_ctor_get(x_8, 1);
-x_257 = lean_ctor_get(x_8, 2);
-lean_inc(x_257);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_dec(x_8);
-x_258 = l_HashMap_Inhabited___closed__1;
-x_259 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_259, 0, x_255);
-lean_ctor_set(x_259, 1, x_256);
-lean_ctor_set(x_259, 2, x_258);
-lean_inc(x_7);
-lean_inc(x_1);
-x_260 = lean_apply_3(x_7, x_1, x_93, x_259);
-if (lean_obj_tag(x_260) == 0)
-{
-lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; 
-x_261 = lean_ctor_get(x_260, 1);
-lean_inc(x_261);
-x_262 = lean_ctor_get(x_260, 0);
-lean_inc(x_262);
-lean_dec(x_260);
-x_263 = lean_ctor_get(x_261, 0);
-lean_inc(x_263);
-x_264 = lean_ctor_get(x_261, 1);
-lean_inc(x_264);
-if (lean_is_exclusive(x_261)) {
- lean_ctor_release(x_261, 0);
- lean_ctor_release(x_261, 1);
- lean_ctor_release(x_261, 2);
- x_265 = x_261;
-} else {
- lean_dec_ref(x_261);
- x_265 = lean_box(0);
-}
-if (lean_is_scalar(x_265)) {
- x_266 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_266 = x_265;
-}
-lean_ctor_set(x_266, 0, x_263);
-lean_ctor_set(x_266, 1, x_264);
-lean_ctor_set(x_266, 2, x_257);
-x_95 = x_262;
-x_96 = x_266;
-goto block_203;
-}
-else
-{
-lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; 
-lean_dec(x_257);
-lean_dec(x_94);
-lean_dec(x_92);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_1);
-x_267 = lean_ctor_get(x_260, 0);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_260, 1);
-lean_inc(x_268);
-if (lean_is_exclusive(x_260)) {
- lean_ctor_release(x_260, 0);
- lean_ctor_release(x_260, 1);
- x_269 = x_260;
-} else {
- lean_dec_ref(x_260);
- x_269 = lean_box(0);
-}
-if (lean_is_scalar(x_269)) {
- x_270 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_270 = x_269;
-}
-lean_ctor_set(x_270, 0, x_267);
-lean_ctor_set(x_270, 1, x_268);
-return x_270;
-}
-}
-}
-}
-block_203:
-{
-lean_object* x_97; uint8_t x_98; 
-x_97 = lean_expr_abstract_range(x_95, x_2, x_1);
-lean_dec(x_95);
-x_98 = lean_expr_has_expr_mvar(x_94);
-if (x_98 == 0)
-{
-uint8_t x_99; 
-x_99 = lean_expr_has_level_mvar(x_94);
-if (x_99 == 0)
-{
-lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-lean_dec(x_7);
-x_100 = lean_expr_abstract_range(x_94, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_94);
-x_101 = lean_expr_mk_let(x_92, x_97, x_100, x_6);
-x_102 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-return x_102;
-}
-else
-{
-uint8_t x_103; 
-x_103 = !lean_is_exclusive(x_96);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_104 = lean_ctor_get(x_96, 2);
-x_105 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_96, 2, x_105);
-lean_inc(x_1);
-x_106 = lean_apply_3(x_7, x_1, x_94, x_96);
-if (lean_obj_tag(x_106) == 0)
-{
-uint8_t x_107; 
-x_107 = !lean_is_exclusive(x_106);
-if (x_107 == 0)
-{
-lean_object* x_108; uint8_t x_109; 
-x_108 = lean_ctor_get(x_106, 1);
-x_109 = !lean_is_exclusive(x_108);
-if (x_109 == 0)
-{
-lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_110 = lean_ctor_get(x_106, 0);
-x_111 = lean_ctor_get(x_108, 2);
-lean_dec(x_111);
-lean_ctor_set(x_108, 2, x_104);
-x_112 = lean_expr_abstract_range(x_110, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_110);
-x_113 = lean_expr_mk_let(x_92, x_97, x_112, x_6);
-lean_ctor_set(x_106, 0, x_113);
-return x_106;
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_114 = lean_ctor_get(x_106, 0);
-x_115 = lean_ctor_get(x_108, 0);
-x_116 = lean_ctor_get(x_108, 1);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_dec(x_108);
-x_117 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_117, 0, x_115);
-lean_ctor_set(x_117, 1, x_116);
-lean_ctor_set(x_117, 2, x_104);
-x_118 = lean_expr_abstract_range(x_114, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_114);
-x_119 = lean_expr_mk_let(x_92, x_97, x_118, x_6);
-lean_ctor_set(x_106, 1, x_117);
-lean_ctor_set(x_106, 0, x_119);
-return x_106;
-}
-}
-else
-{
-lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
-x_120 = lean_ctor_get(x_106, 1);
-x_121 = lean_ctor_get(x_106, 0);
-lean_inc(x_120);
-lean_inc(x_121);
-lean_dec(x_106);
-x_122 = lean_ctor_get(x_120, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_120, 1);
-lean_inc(x_123);
-if (lean_is_exclusive(x_120)) {
- lean_ctor_release(x_120, 0);
- lean_ctor_release(x_120, 1);
- lean_ctor_release(x_120, 2);
- x_124 = x_120;
-} else {
- lean_dec_ref(x_120);
- x_124 = lean_box(0);
-}
-if (lean_is_scalar(x_124)) {
- x_125 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_125 = x_124;
-}
-lean_ctor_set(x_125, 0, x_122);
-lean_ctor_set(x_125, 1, x_123);
-lean_ctor_set(x_125, 2, x_104);
-x_126 = lean_expr_abstract_range(x_121, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_121);
-x_127 = lean_expr_mk_let(x_92, x_97, x_126, x_6);
-x_128 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_128, 0, x_127);
-lean_ctor_set(x_128, 1, x_125);
-return x_128;
-}
-}
-else
-{
-uint8_t x_129; 
-lean_dec(x_104);
-lean_dec(x_97);
-lean_dec(x_92);
-lean_dec(x_6);
-lean_dec(x_1);
-x_129 = !lean_is_exclusive(x_106);
-if (x_129 == 0)
-{
-return x_106;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-x_130 = lean_ctor_get(x_106, 0);
-x_131 = lean_ctor_get(x_106, 1);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_106);
-x_132 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_132, 0, x_130);
-lean_ctor_set(x_132, 1, x_131);
-return x_132;
-}
-}
-}
-else
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_133 = lean_ctor_get(x_96, 0);
-x_134 = lean_ctor_get(x_96, 1);
-x_135 = lean_ctor_get(x_96, 2);
-lean_inc(x_135);
-lean_inc(x_134);
-lean_inc(x_133);
-lean_dec(x_96);
-x_136 = l_HashMap_Inhabited___closed__1;
-x_137 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_137, 0, x_133);
-lean_ctor_set(x_137, 1, x_134);
-lean_ctor_set(x_137, 2, x_136);
-lean_inc(x_1);
-x_138 = lean_apply_3(x_7, x_1, x_94, x_137);
-if (lean_obj_tag(x_138) == 0)
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; 
-x_139 = lean_ctor_get(x_138, 1);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_138, 0);
-lean_inc(x_140);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- x_141 = x_138;
-} else {
- lean_dec_ref(x_138);
- x_141 = lean_box(0);
-}
-x_142 = lean_ctor_get(x_139, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_139, 1);
-lean_inc(x_143);
-if (lean_is_exclusive(x_139)) {
- lean_ctor_release(x_139, 0);
- lean_ctor_release(x_139, 1);
- lean_ctor_release(x_139, 2);
- x_144 = x_139;
-} else {
- lean_dec_ref(x_139);
- x_144 = lean_box(0);
-}
-if (lean_is_scalar(x_144)) {
- x_145 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_145 = x_144;
-}
-lean_ctor_set(x_145, 0, x_142);
-lean_ctor_set(x_145, 1, x_143);
-lean_ctor_set(x_145, 2, x_135);
-x_146 = lean_expr_abstract_range(x_140, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_140);
-x_147 = lean_expr_mk_let(x_92, x_97, x_146, x_6);
-if (lean_is_scalar(x_141)) {
- x_148 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_148 = x_141;
-}
-lean_ctor_set(x_148, 0, x_147);
-lean_ctor_set(x_148, 1, x_145);
-return x_148;
-}
-else
-{
-lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
-lean_dec(x_135);
-lean_dec(x_97);
-lean_dec(x_92);
-lean_dec(x_6);
-lean_dec(x_1);
-x_149 = lean_ctor_get(x_138, 0);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_138, 1);
-lean_inc(x_150);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- x_151 = x_138;
-} else {
- lean_dec_ref(x_138);
- x_151 = lean_box(0);
-}
-if (lean_is_scalar(x_151)) {
- x_152 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_152 = x_151;
-}
-lean_ctor_set(x_152, 0, x_149);
-lean_ctor_set(x_152, 1, x_150);
-return x_152;
-}
-}
-}
-}
-else
-{
-uint8_t x_153; 
-x_153 = !lean_is_exclusive(x_96);
-if (x_153 == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-x_154 = lean_ctor_get(x_96, 2);
-x_155 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_96, 2, x_155);
-lean_inc(x_1);
-x_156 = lean_apply_3(x_7, x_1, x_94, x_96);
-if (lean_obj_tag(x_156) == 0)
-{
-uint8_t x_157; 
-x_157 = !lean_is_exclusive(x_156);
-if (x_157 == 0)
-{
-lean_object* x_158; uint8_t x_159; 
-x_158 = lean_ctor_get(x_156, 1);
-x_159 = !lean_is_exclusive(x_158);
-if (x_159 == 0)
-{
-lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+lean_object* x_160; lean_object* x_161; lean_object* x_162; 
 x_160 = lean_ctor_get(x_156, 0);
-x_161 = lean_ctor_get(x_158, 2);
-lean_dec(x_161);
-lean_ctor_set(x_158, 2, x_154);
-x_162 = lean_expr_abstract_range(x_160, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_160);
-x_163 = lean_expr_mk_let(x_92, x_97, x_162, x_6);
-lean_ctor_set(x_156, 0, x_163);
-return x_156;
-}
-else
-{
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-x_164 = lean_ctor_get(x_156, 0);
-x_165 = lean_ctor_get(x_158, 0);
-x_166 = lean_ctor_get(x_158, 1);
-lean_inc(x_166);
-lean_inc(x_165);
-lean_dec(x_158);
-x_167 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_167, 0, x_165);
-lean_ctor_set(x_167, 1, x_166);
-lean_ctor_set(x_167, 2, x_154);
-x_168 = lean_expr_abstract_range(x_164, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_164);
-x_169 = lean_expr_mk_let(x_92, x_97, x_168, x_6);
-lean_ctor_set(x_156, 1, x_167);
-lean_ctor_set(x_156, 0, x_169);
-return x_156;
-}
-}
-else
-{
-lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
-x_170 = lean_ctor_get(x_156, 1);
-x_171 = lean_ctor_get(x_156, 0);
-lean_inc(x_170);
-lean_inc(x_171);
+x_161 = lean_ctor_get(x_156, 1);
+lean_inc(x_161);
+lean_inc(x_160);
 lean_dec(x_156);
-x_172 = lean_ctor_get(x_170, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_170, 1);
-lean_inc(x_173);
-if (lean_is_exclusive(x_170)) {
- lean_ctor_release(x_170, 0);
- lean_ctor_release(x_170, 1);
- lean_ctor_release(x_170, 2);
- x_174 = x_170;
-} else {
- lean_dec_ref(x_170);
- x_174 = lean_box(0);
-}
-if (lean_is_scalar(x_174)) {
- x_175 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_175 = x_174;
-}
-lean_ctor_set(x_175, 0, x_172);
-lean_ctor_set(x_175, 1, x_173);
-lean_ctor_set(x_175, 2, x_154);
-x_176 = lean_expr_abstract_range(x_171, x_2, x_1);
-lean_dec(x_1);
-lean_dec(x_171);
-x_177 = lean_expr_mk_let(x_92, x_97, x_176, x_6);
-x_178 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_175);
-return x_178;
+x_162 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_162, 0, x_160);
+lean_ctor_set(x_162, 1, x_161);
+lean_ctor_set(x_162, 2, x_153);
+x_85 = x_157;
+x_86 = x_162;
+goto block_147;
 }
 }
 else
 {
-uint8_t x_179; 
-lean_dec(x_154);
-lean_dec(x_97);
-lean_dec(x_92);
+uint8_t x_163; 
+lean_dec(x_153);
+lean_dec(x_84);
+lean_dec(x_82);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_1);
-x_179 = !lean_is_exclusive(x_156);
-if (x_179 == 0)
+x_163 = !lean_is_exclusive(x_155);
+if (x_163 == 0)
 {
-return x_156;
+return x_155;
 }
 else
 {
-lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-x_180 = lean_ctor_get(x_156, 0);
-x_181 = lean_ctor_get(x_156, 1);
-lean_inc(x_181);
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_155, 0);
+x_165 = lean_ctor_get(x_155, 1);
+lean_inc(x_165);
+lean_inc(x_164);
+lean_dec(x_155);
+x_166 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_166, 0, x_164);
+lean_ctor_set(x_166, 1, x_165);
+return x_166;
+}
+}
+}
+else
+{
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+x_167 = lean_ctor_get(x_8, 0);
+x_168 = lean_ctor_get(x_8, 1);
+x_169 = lean_ctor_get(x_8, 2);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_8);
+x_170 = l_HashMap_Inhabited___closed__1;
+x_171 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_171, 0, x_167);
+lean_ctor_set(x_171, 1, x_168);
+lean_ctor_set(x_171, 2, x_170);
+lean_inc(x_7);
+lean_inc(x_1);
+x_172 = lean_apply_3(x_7, x_1, x_83, x_171);
+if (lean_obj_tag(x_172) == 0)
+{
+lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_173 = lean_ctor_get(x_172, 1);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_172, 0);
+lean_inc(x_174);
+lean_dec(x_172);
+x_175 = lean_ctor_get(x_173, 0);
+lean_inc(x_175);
+x_176 = lean_ctor_get(x_173, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_173)) {
+ lean_ctor_release(x_173, 0);
+ lean_ctor_release(x_173, 1);
+ lean_ctor_release(x_173, 2);
+ x_177 = x_173;
+} else {
+ lean_dec_ref(x_173);
+ x_177 = lean_box(0);
+}
+if (lean_is_scalar(x_177)) {
+ x_178 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_178 = x_177;
+}
+lean_ctor_set(x_178, 0, x_175);
+lean_ctor_set(x_178, 1, x_176);
+lean_ctor_set(x_178, 2, x_169);
+x_85 = x_174;
+x_86 = x_178;
+goto block_147;
+}
+else
+{
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
+lean_dec(x_169);
+lean_dec(x_84);
+lean_dec(x_82);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_179 = lean_ctor_get(x_172, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_172, 1);
 lean_inc(x_180);
-lean_dec(x_156);
-x_182 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_182, 0, x_180);
-lean_ctor_set(x_182, 1, x_181);
+if (lean_is_exclusive(x_172)) {
+ lean_ctor_release(x_172, 0);
+ lean_ctor_release(x_172, 1);
+ x_181 = x_172;
+} else {
+ lean_dec_ref(x_172);
+ x_181 = lean_box(0);
+}
+if (lean_is_scalar(x_181)) {
+ x_182 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_182 = x_181;
+}
+lean_ctor_set(x_182, 0, x_179);
+lean_ctor_set(x_182, 1, x_180);
 return x_182;
 }
 }
 }
-else
+}
+block_147:
 {
-lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_183 = lean_ctor_get(x_96, 0);
-x_184 = lean_ctor_get(x_96, 1);
-x_185 = lean_ctor_get(x_96, 2);
-lean_inc(x_185);
-lean_inc(x_184);
-lean_inc(x_183);
-lean_dec(x_96);
-x_186 = l_HashMap_Inhabited___closed__1;
-x_187 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_187, 0, x_183);
-lean_ctor_set(x_187, 1, x_184);
-lean_ctor_set(x_187, 2, x_186);
-lean_inc(x_1);
-x_188 = lean_apply_3(x_7, x_1, x_94, x_187);
-if (lean_obj_tag(x_188) == 0)
+lean_object* x_87; uint8_t x_88; 
+x_87 = lean_expr_abstract_range(x_85, x_2, x_1);
+lean_dec(x_85);
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
 {
-lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_188, 0);
-lean_inc(x_190);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- x_191 = x_188;
-} else {
- lean_dec_ref(x_188);
- x_191 = lean_box(0);
-}
-x_192 = lean_ctor_get(x_189, 0);
-lean_inc(x_192);
-x_193 = lean_ctor_get(x_189, 1);
-lean_inc(x_193);
-if (lean_is_exclusive(x_189)) {
- lean_ctor_release(x_189, 0);
- lean_ctor_release(x_189, 1);
- lean_ctor_release(x_189, 2);
- x_194 = x_189;
-} else {
- lean_dec_ref(x_189);
- x_194 = lean_box(0);
-}
-if (lean_is_scalar(x_194)) {
- x_195 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_195 = x_194;
-}
-lean_ctor_set(x_195, 0, x_192);
-lean_ctor_set(x_195, 1, x_193);
-lean_ctor_set(x_195, 2, x_185);
-x_196 = lean_expr_abstract_range(x_190, x_2, x_1);
+lean_object* x_89; uint8_t x_90; lean_object* x_91; lean_object* x_92; 
+lean_dec(x_7);
+x_89 = lean_expr_abstract_range(x_84, x_2, x_1);
 lean_dec(x_1);
-lean_dec(x_190);
-x_197 = lean_expr_mk_let(x_92, x_97, x_196, x_6);
-if (lean_is_scalar(x_191)) {
- x_198 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_198 = x_191;
-}
-lean_ctor_set(x_198, 0, x_197);
-lean_ctor_set(x_198, 1, x_195);
-return x_198;
+lean_dec(x_84);
+x_90 = 0;
+x_91 = l_Lean_mkLet(x_82, x_87, x_89, x_6, x_90);
+x_92 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_92, 0, x_91);
+lean_ctor_set(x_92, 1, x_86);
+return x_92;
 }
 else
 {
-lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
-lean_dec(x_185);
-lean_dec(x_97);
-lean_dec(x_92);
+uint8_t x_93; 
+x_93 = !lean_is_exclusive(x_86);
+if (x_93 == 0)
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_94 = lean_ctor_get(x_86, 2);
+x_95 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_86, 2, x_95);
+lean_inc(x_1);
+x_96 = lean_apply_3(x_7, x_1, x_84, x_86);
+if (lean_obj_tag(x_96) == 0)
+{
+uint8_t x_97; 
+x_97 = !lean_is_exclusive(x_96);
+if (x_97 == 0)
+{
+lean_object* x_98; uint8_t x_99; 
+x_98 = lean_ctor_get(x_96, 1);
+x_99 = !lean_is_exclusive(x_98);
+if (x_99 == 0)
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; 
+x_100 = lean_ctor_get(x_96, 0);
+x_101 = lean_ctor_get(x_98, 2);
+lean_dec(x_101);
+lean_ctor_set(x_98, 2, x_94);
+x_102 = lean_expr_abstract_range(x_100, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_100);
+x_103 = 0;
+x_104 = l_Lean_mkLet(x_82, x_87, x_102, x_6, x_103);
+lean_ctor_set(x_96, 0, x_104);
+return x_96;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_105 = lean_ctor_get(x_96, 0);
+x_106 = lean_ctor_get(x_98, 0);
+x_107 = lean_ctor_get(x_98, 1);
+lean_inc(x_107);
+lean_inc(x_106);
+lean_dec(x_98);
+x_108 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_108, 0, x_106);
+lean_ctor_set(x_108, 1, x_107);
+lean_ctor_set(x_108, 2, x_94);
+x_109 = lean_expr_abstract_range(x_105, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_105);
+x_110 = 0;
+x_111 = l_Lean_mkLet(x_82, x_87, x_109, x_6, x_110);
+lean_ctor_set(x_96, 1, x_108);
+lean_ctor_set(x_96, 0, x_111);
+return x_96;
+}
+}
+else
+{
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; uint8_t x_119; lean_object* x_120; lean_object* x_121; 
+x_112 = lean_ctor_get(x_96, 1);
+x_113 = lean_ctor_get(x_96, 0);
+lean_inc(x_112);
+lean_inc(x_113);
+lean_dec(x_96);
+x_114 = lean_ctor_get(x_112, 0);
+lean_inc(x_114);
+x_115 = lean_ctor_get(x_112, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_112)) {
+ lean_ctor_release(x_112, 0);
+ lean_ctor_release(x_112, 1);
+ lean_ctor_release(x_112, 2);
+ x_116 = x_112;
+} else {
+ lean_dec_ref(x_112);
+ x_116 = lean_box(0);
+}
+if (lean_is_scalar(x_116)) {
+ x_117 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_117 = x_116;
+}
+lean_ctor_set(x_117, 0, x_114);
+lean_ctor_set(x_117, 1, x_115);
+lean_ctor_set(x_117, 2, x_94);
+x_118 = lean_expr_abstract_range(x_113, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_113);
+x_119 = 0;
+x_120 = l_Lean_mkLet(x_82, x_87, x_118, x_6, x_119);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_120);
+lean_ctor_set(x_121, 1, x_117);
+return x_121;
+}
+}
+else
+{
+uint8_t x_122; 
+lean_dec(x_94);
+lean_dec(x_87);
+lean_dec(x_82);
 lean_dec(x_6);
 lean_dec(x_1);
-x_199 = lean_ctor_get(x_188, 0);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_188, 1);
-lean_inc(x_200);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- x_201 = x_188;
-} else {
- lean_dec_ref(x_188);
- x_201 = lean_box(0);
+x_122 = !lean_is_exclusive(x_96);
+if (x_122 == 0)
+{
+return x_96;
 }
-if (lean_is_scalar(x_201)) {
- x_202 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_202 = x_201;
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+x_123 = lean_ctor_get(x_96, 0);
+x_124 = lean_ctor_get(x_96, 1);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_dec(x_96);
+x_125 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_125, 0, x_123);
+lean_ctor_set(x_125, 1, x_124);
+return x_125;
 }
-lean_ctor_set(x_202, 0, x_199);
-lean_ctor_set(x_202, 1, x_200);
-return x_202;
+}
+}
+else
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_126 = lean_ctor_get(x_86, 0);
+x_127 = lean_ctor_get(x_86, 1);
+x_128 = lean_ctor_get(x_86, 2);
+lean_inc(x_128);
+lean_inc(x_127);
+lean_inc(x_126);
+lean_dec(x_86);
+x_129 = l_HashMap_Inhabited___closed__1;
+x_130 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_130, 0, x_126);
+lean_ctor_set(x_130, 1, x_127);
+lean_ctor_set(x_130, 2, x_129);
+lean_inc(x_1);
+x_131 = lean_apply_3(x_7, x_1, x_84, x_130);
+if (lean_obj_tag(x_131) == 0)
+{
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; uint8_t x_140; lean_object* x_141; lean_object* x_142; 
+x_132 = lean_ctor_get(x_131, 1);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_131, 0);
+lean_inc(x_133);
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ x_134 = x_131;
+} else {
+ lean_dec_ref(x_131);
+ x_134 = lean_box(0);
+}
+x_135 = lean_ctor_get(x_132, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_132, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_132)) {
+ lean_ctor_release(x_132, 0);
+ lean_ctor_release(x_132, 1);
+ lean_ctor_release(x_132, 2);
+ x_137 = x_132;
+} else {
+ lean_dec_ref(x_132);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_135);
+lean_ctor_set(x_138, 1, x_136);
+lean_ctor_set(x_138, 2, x_128);
+x_139 = lean_expr_abstract_range(x_133, x_2, x_1);
+lean_dec(x_1);
+lean_dec(x_133);
+x_140 = 0;
+x_141 = l_Lean_mkLet(x_82, x_87, x_139, x_6, x_140);
+if (lean_is_scalar(x_134)) {
+ x_142 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_142 = x_134;
+}
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_138);
+return x_142;
+}
+else
+{
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_128);
+lean_dec(x_87);
+lean_dec(x_82);
+lean_dec(x_6);
+lean_dec(x_1);
+x_143 = lean_ctor_get(x_131, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_131, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ x_145 = x_131;
+} else {
+ lean_dec_ref(x_131);
+ x_145 = lean_box(0);
+}
+if (lean_is_scalar(x_145)) {
+ x_146 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_146 = x_145;
+}
+lean_ctor_set(x_146, 0, x_143);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
 }
 }
 }
@@ -32396,355 +25242,182 @@ _start:
 {
 lean_object* x_7; uint8_t x_8; 
 x_7 = lean_array_get_size(x_4);
-x_8 = lean_expr_has_expr_mvar(x_5);
+x_8 = l_Lean_Expr_hasMVar(x_5);
 if (x_8 == 0)
 {
-uint8_t x_9; 
-x_9 = lean_expr_has_level_mvar(x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = lean_expr_abstract_range(x_5, x_7, x_4);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = lean_expr_abstract_range(x_5, x_7, x_4);
 lean_dec(x_5);
-x_11 = l_EIO_Monad___closed__1;
-x_12 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_11, x_7, x_10, x_6);
+x_10 = l_EIO_Monad___closed__1;
+x_11 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_10, x_7, x_9, x_6);
 lean_dec(x_7);
-return x_12;
+return x_11;
 }
 else
 {
-uint8_t x_13; 
-x_13 = !lean_is_exclusive(x_6);
-if (x_13 == 0)
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_6);
+if (x_12 == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_6, 2);
-x_15 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_6, 2, x_15);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_6, 2);
+x_14 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_6, 2, x_14);
 lean_inc(x_1);
 lean_inc(x_4);
-x_16 = lean_apply_3(x_1, x_4, x_5, x_6);
-if (lean_obj_tag(x_16) == 0)
+x_15 = lean_apply_3(x_1, x_4, x_5, x_6);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = lean_ctor_get(x_16, 1);
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 0);
 lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 0);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = !lean_is_exclusive(x_17);
-if (x_19 == 0)
+lean_dec(x_15);
+x_18 = !lean_is_exclusive(x_16);
+if (x_18 == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_17, 2);
-lean_dec(x_20);
-lean_ctor_set(x_17, 2, x_14);
-x_21 = lean_expr_abstract_range(x_18, x_7, x_4);
-lean_dec(x_18);
-x_22 = l_EIO_Monad___closed__1;
-x_23 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_22, x_7, x_21, x_17);
-lean_dec(x_7);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_24 = lean_ctor_get(x_17, 0);
-x_25 = lean_ctor_get(x_17, 1);
-lean_inc(x_25);
-lean_inc(x_24);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_19 = lean_ctor_get(x_16, 2);
+lean_dec(x_19);
+lean_ctor_set(x_16, 2, x_13);
+x_20 = lean_expr_abstract_range(x_17, x_7, x_4);
 lean_dec(x_17);
-x_26 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_26, 0, x_24);
-lean_ctor_set(x_26, 1, x_25);
-lean_ctor_set(x_26, 2, x_14);
-x_27 = lean_expr_abstract_range(x_18, x_7, x_4);
-lean_dec(x_18);
-x_28 = l_EIO_Monad___closed__1;
-x_29 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_28, x_7, x_27, x_26);
+x_21 = l_EIO_Monad___closed__1;
+x_22 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_21, x_7, x_20, x_16);
 lean_dec(x_7);
-return x_29;
+return x_22;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_23 = lean_ctor_get(x_16, 0);
+x_24 = lean_ctor_get(x_16, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_16);
+x_25 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+lean_ctor_set(x_25, 2, x_13);
+x_26 = lean_expr_abstract_range(x_17, x_7, x_4);
+lean_dec(x_17);
+x_27 = l_EIO_Monad___closed__1;
+x_28 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_27, x_7, x_26, x_25);
+lean_dec(x_7);
+return x_28;
 }
 }
 else
 {
-uint8_t x_30; 
-lean_dec(x_14);
+uint8_t x_29; 
+lean_dec(x_13);
 lean_dec(x_7);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_16);
-if (x_30 == 0)
+x_29 = !lean_is_exclusive(x_15);
+if (x_29 == 0)
 {
-return x_16;
+return x_15;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_16, 0);
-x_32 = lean_ctor_get(x_16, 1);
-lean_inc(x_32);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_15, 0);
+x_31 = lean_ctor_get(x_15, 1);
 lean_inc(x_31);
-lean_dec(x_16);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_inc(x_30);
+lean_dec(x_15);
+x_32 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+return x_32;
 }
 }
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_34 = lean_ctor_get(x_6, 0);
-x_35 = lean_ctor_get(x_6, 1);
-x_36 = lean_ctor_get(x_6, 2);
-lean_inc(x_36);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_33 = lean_ctor_get(x_6, 0);
+x_34 = lean_ctor_get(x_6, 1);
+x_35 = lean_ctor_get(x_6, 2);
 lean_inc(x_35);
 lean_inc(x_34);
+lean_inc(x_33);
 lean_dec(x_6);
-x_37 = l_HashMap_Inhabited___closed__1;
-x_38 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_38, 0, x_34);
-lean_ctor_set(x_38, 1, x_35);
-lean_ctor_set(x_38, 2, x_37);
+x_36 = l_HashMap_Inhabited___closed__1;
+x_37 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_37, 0, x_33);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_36);
 lean_inc(x_1);
 lean_inc(x_4);
-x_39 = lean_apply_3(x_1, x_4, x_5, x_38);
-if (lean_obj_tag(x_39) == 0)
+x_38 = lean_apply_3(x_1, x_4, x_5, x_37);
+if (lean_obj_tag(x_38) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_40 = lean_ctor_get(x_39, 1);
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_38, 0);
 lean_inc(x_40);
+lean_dec(x_38);
 x_41 = lean_ctor_get(x_39, 0);
 lean_inc(x_41);
-lean_dec(x_39);
-x_42 = lean_ctor_get(x_40, 0);
+x_42 = lean_ctor_get(x_39, 1);
 lean_inc(x_42);
-x_43 = lean_ctor_get(x_40, 1);
-lean_inc(x_43);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
- lean_ctor_release(x_40, 2);
- x_44 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_44 = lean_box(0);
-}
-if (lean_is_scalar(x_44)) {
- x_45 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_45 = x_44;
-}
-lean_ctor_set(x_45, 0, x_42);
-lean_ctor_set(x_45, 1, x_43);
-lean_ctor_set(x_45, 2, x_36);
-x_46 = lean_expr_abstract_range(x_41, x_7, x_4);
-lean_dec(x_41);
-x_47 = l_EIO_Monad___closed__1;
-x_48 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_47, x_7, x_46, x_45);
-lean_dec(x_7);
-return x_48;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-lean_dec(x_36);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_49 = lean_ctor_get(x_39, 0);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_39, 1);
-lean_inc(x_50);
 if (lean_is_exclusive(x_39)) {
  lean_ctor_release(x_39, 0);
  lean_ctor_release(x_39, 1);
- x_51 = x_39;
+ lean_ctor_release(x_39, 2);
+ x_43 = x_39;
 } else {
  lean_dec_ref(x_39);
- x_51 = lean_box(0);
+ x_43 = lean_box(0);
 }
-if (lean_is_scalar(x_51)) {
- x_52 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_43)) {
+ x_44 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_52 = x_51;
+ x_44 = x_43;
 }
-lean_ctor_set(x_52, 0, x_49);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
-}
-}
-}
-else
-{
-uint8_t x_53; 
-x_53 = !lean_is_exclusive(x_6);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_6, 2);
-x_55 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_6, 2, x_55);
-lean_inc(x_1);
-lean_inc(x_4);
-x_56 = lean_apply_3(x_1, x_4, x_5, x_6);
-if (lean_obj_tag(x_56) == 0)
-{
-lean_object* x_57; lean_object* x_58; uint8_t x_59; 
-x_57 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_56, 0);
-lean_inc(x_58);
-lean_dec(x_56);
-x_59 = !lean_is_exclusive(x_57);
-if (x_59 == 0)
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_60 = lean_ctor_get(x_57, 2);
-lean_dec(x_60);
-lean_ctor_set(x_57, 2, x_54);
-x_61 = lean_expr_abstract_range(x_58, x_7, x_4);
-lean_dec(x_58);
-x_62 = l_EIO_Monad___closed__1;
-x_63 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_62, x_7, x_61, x_57);
+lean_ctor_set(x_44, 0, x_41);
+lean_ctor_set(x_44, 1, x_42);
+lean_ctor_set(x_44, 2, x_35);
+x_45 = lean_expr_abstract_range(x_40, x_7, x_4);
+lean_dec(x_40);
+x_46 = l_EIO_Monad___closed__1;
+x_47 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_46, x_7, x_45, x_44);
 lean_dec(x_7);
-return x_63;
+return x_47;
 }
 else
 {
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_64 = lean_ctor_get(x_57, 0);
-x_65 = lean_ctor_get(x_57, 1);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_57);
-x_66 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_66, 0, x_64);
-lean_ctor_set(x_66, 1, x_65);
-lean_ctor_set(x_66, 2, x_54);
-x_67 = lean_expr_abstract_range(x_58, x_7, x_4);
-lean_dec(x_58);
-x_68 = l_EIO_Monad___closed__1;
-x_69 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_68, x_7, x_67, x_66);
-lean_dec(x_7);
-return x_69;
-}
-}
-else
-{
-uint8_t x_70; 
-lean_dec(x_54);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+lean_dec(x_35);
 lean_dec(x_7);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_70 = !lean_is_exclusive(x_56);
-if (x_70 == 0)
-{
-return x_56;
-}
-else
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_71 = lean_ctor_get(x_56, 0);
-x_72 = lean_ctor_get(x_56, 1);
-lean_inc(x_72);
-lean_inc(x_71);
-lean_dec(x_56);
-x_73 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_73, 0, x_71);
-lean_ctor_set(x_73, 1, x_72);
-return x_73;
-}
-}
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_74 = lean_ctor_get(x_6, 0);
-x_75 = lean_ctor_get(x_6, 1);
-x_76 = lean_ctor_get(x_6, 2);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_6);
-x_77 = l_HashMap_Inhabited___closed__1;
-x_78 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_78, 0, x_74);
-lean_ctor_set(x_78, 1, x_75);
-lean_ctor_set(x_78, 2, x_77);
-lean_inc(x_1);
-lean_inc(x_4);
-x_79 = lean_apply_3(x_1, x_4, x_5, x_78);
-if (lean_obj_tag(x_79) == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_79, 0);
-lean_inc(x_81);
-lean_dec(x_79);
-x_82 = lean_ctor_get(x_80, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_80, 1);
-lean_inc(x_83);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- x_84 = x_80;
+x_48 = lean_ctor_get(x_38, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_38, 1);
+lean_inc(x_49);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_50 = x_38;
 } else {
- lean_dec_ref(x_80);
- x_84 = lean_box(0);
+ lean_dec_ref(x_38);
+ x_50 = lean_box(0);
 }
-if (lean_is_scalar(x_84)) {
- x_85 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_50)) {
+ x_51 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_85 = x_84;
+ x_51 = x_50;
 }
-lean_ctor_set(x_85, 0, x_82);
-lean_ctor_set(x_85, 1, x_83);
-lean_ctor_set(x_85, 2, x_76);
-x_86 = lean_expr_abstract_range(x_81, x_7, x_4);
-lean_dec(x_81);
-x_87 = l_EIO_Monad___closed__1;
-x_88 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_19__mkForallAux___spec__2(x_1, x_2, x_3, x_4, x_87, x_7, x_86, x_85);
-lean_dec(x_7);
-return x_88;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-lean_dec(x_76);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_89 = lean_ctor_get(x_79, 0);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_79, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_79)) {
- lean_ctor_release(x_79, 0);
- lean_ctor_release(x_79, 1);
- x_91 = x_79;
-} else {
- lean_dec_ref(x_79);
- x_91 = lean_box(0);
-}
-if (lean_is_scalar(x_91)) {
- x_92 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_92 = x_91;
-}
-lean_ctor_set(x_92, 0, x_89);
-lean_ctor_set(x_92, 1, x_90);
-return x_92;
+lean_ctor_set(x_51, 0, x_48);
+lean_ctor_set(x_51, 1, x_49);
+return x_51;
 }
 }
 }
@@ -32824,7 +25497,7 @@ lean_dec(x_14);
 if (x_15 == 0)
 {
 lean_object* x_16; 
-x_16 = lean_expr_mk_app(x_5, x_8);
+x_16 = l_Lean_mkApp(x_5, x_8);
 x_4 = x_11;
 x_5 = x_16;
 goto _start;
@@ -32847,7 +25520,7 @@ lean_dec(x_19);
 if (x_20 == 0)
 {
 lean_object* x_21; 
-x_21 = lean_expr_mk_app(x_5, x_8);
+x_21 = l_Lean_mkApp(x_5, x_8);
 x_4 = x_11;
 x_5 = x_21;
 goto _start;
@@ -33014,7 +25687,7 @@ lean_object* l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = l_Lean_Expr_inhabited;
+x_8 = l_Lean_Expr_Inhabited;
 x_9 = lean_array_get(x_8, x_1, x_2);
 x_10 = l_Lean_LocalContext_findFVar(x_3, x_9);
 lean_dec(x_9);
@@ -33037,1142 +25710,722 @@ lean_inc(x_15);
 lean_dec(x_10);
 if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; lean_object* x_20; uint8_t x_27; 
+lean_object* x_16; lean_object* x_17; uint8_t x_18; uint8_t x_19; 
 x_16 = lean_ctor_get(x_15, 2);
 lean_inc(x_16);
 x_17 = lean_ctor_get(x_15, 3);
 lean_inc(x_17);
 x_18 = lean_ctor_get_uint8(x_15, sizeof(void*)*4);
 lean_dec(x_15);
-x_27 = lean_expr_has_expr_mvar(x_17);
-if (x_27 == 0)
+x_19 = l_Lean_Expr_hasMVar(x_17);
+if (x_19 == 0)
 {
-uint8_t x_28; 
-x_28 = lean_expr_has_level_mvar(x_17);
-if (x_28 == 0)
+lean_object* x_20; 
+x_20 = lean_expr_abstract_range(x_17, x_2, x_1);
+lean_dec(x_17);
+if (x_5 == 0)
 {
-x_19 = x_17;
-x_20 = x_7;
-goto block_26;
+lean_object* x_21; lean_object* x_22; 
+x_21 = l_Lean_mkForall(x_16, x_18, x_20, x_6);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_7);
+return x_22;
 }
 else
 {
+lean_object* x_23; lean_object* x_24; 
+x_23 = l_Lean_mkLambda(x_16, x_18, x_20, x_6);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_7);
+return x_24;
+}
+}
+else
+{
+uint8_t x_25; 
+x_25 = !lean_is_exclusive(x_7);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_7, 2);
+x_27 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_7, 2, x_27);
+x_28 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_7);
+if (lean_obj_tag(x_28) == 0)
+{
 uint8_t x_29; 
-x_29 = !lean_is_exclusive(x_7);
+x_29 = !lean_is_exclusive(x_28);
 if (x_29 == 0)
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_7, 2);
-x_31 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_7, 2, x_31);
-x_32 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_7);
-if (lean_obj_tag(x_32) == 0)
+lean_object* x_30; uint8_t x_31; 
+x_30 = lean_ctor_get(x_28, 1);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
 {
-lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_32, 0);
-lean_inc(x_34);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_28, 0);
+x_33 = lean_ctor_get(x_30, 2);
+lean_dec(x_33);
+lean_ctor_set(x_30, 2, x_26);
+x_34 = lean_expr_abstract_range(x_32, x_2, x_1);
 lean_dec(x_32);
-x_35 = !lean_is_exclusive(x_33);
-if (x_35 == 0)
+if (x_5 == 0)
+{
+lean_object* x_35; 
+x_35 = l_Lean_mkForall(x_16, x_18, x_34, x_6);
+lean_ctor_set(x_28, 0, x_35);
+return x_28;
+}
+else
 {
 lean_object* x_36; 
-x_36 = lean_ctor_get(x_33, 2);
-lean_dec(x_36);
-lean_ctor_set(x_33, 2, x_30);
-x_19 = x_34;
-x_20 = x_33;
-goto block_26;
+x_36 = l_Lean_mkLambda(x_16, x_18, x_34, x_6);
+lean_ctor_set(x_28, 0, x_36);
+return x_28;
+}
 }
 else
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_33, 0);
-x_38 = lean_ctor_get(x_33, 1);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_37 = lean_ctor_get(x_28, 0);
+x_38 = lean_ctor_get(x_30, 0);
+x_39 = lean_ctor_get(x_30, 1);
+lean_inc(x_39);
 lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_33);
-x_39 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-lean_ctor_set(x_39, 2, x_30);
-x_19 = x_34;
-x_20 = x_39;
-goto block_26;
-}
-}
-else
-{
-uint8_t x_40; 
 lean_dec(x_30);
-lean_dec(x_16);
-lean_dec(x_6);
-x_40 = !lean_is_exclusive(x_32);
-if (x_40 == 0)
+x_40 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+lean_ctor_set(x_40, 2, x_26);
+x_41 = lean_expr_abstract_range(x_37, x_2, x_1);
+lean_dec(x_37);
+if (x_5 == 0)
 {
-return x_32;
+lean_object* x_42; 
+x_42 = l_Lean_mkForall(x_16, x_18, x_41, x_6);
+lean_ctor_set(x_28, 1, x_40);
+lean_ctor_set(x_28, 0, x_42);
+return x_28;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_32, 0);
-x_42 = lean_ctor_get(x_32, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_32);
-x_43 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_43, 0, x_41);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
+lean_object* x_43; 
+x_43 = l_Lean_mkLambda(x_16, x_18, x_41, x_6);
+lean_ctor_set(x_28, 1, x_40);
+lean_ctor_set(x_28, 0, x_43);
+return x_28;
 }
 }
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_44 = lean_ctor_get(x_7, 0);
-x_45 = lean_ctor_get(x_7, 1);
-x_46 = lean_ctor_get(x_7, 2);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_44 = lean_ctor_get(x_28, 1);
+x_45 = lean_ctor_get(x_28, 0);
 lean_inc(x_44);
-lean_dec(x_7);
-x_47 = l_HashMap_Inhabited___closed__1;
-x_48 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_48, 0, x_44);
-lean_ctor_set(x_48, 1, x_45);
-lean_ctor_set(x_48, 2, x_47);
-x_49 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_48);
-if (lean_obj_tag(x_49) == 0)
+lean_inc(x_45);
+lean_dec(x_28);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_44, 1);
+lean_inc(x_47);
+if (lean_is_exclusive(x_44)) {
+ lean_ctor_release(x_44, 0);
+ lean_ctor_release(x_44, 1);
+ lean_ctor_release(x_44, 2);
+ x_48 = x_44;
+} else {
+ lean_dec_ref(x_44);
+ x_48 = lean_box(0);
+}
+if (lean_is_scalar(x_48)) {
+ x_49 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_49 = x_48;
+}
+lean_ctor_set(x_49, 0, x_46);
+lean_ctor_set(x_49, 1, x_47);
+lean_ctor_set(x_49, 2, x_26);
+x_50 = lean_expr_abstract_range(x_45, x_2, x_1);
+lean_dec(x_45);
+if (x_5 == 0)
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 0);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = lean_ctor_get(x_50, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_50, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_50)) {
- lean_ctor_release(x_50, 0);
- lean_ctor_release(x_50, 1);
- lean_ctor_release(x_50, 2);
- x_54 = x_50;
-} else {
- lean_dec_ref(x_50);
- x_54 = lean_box(0);
-}
-if (lean_is_scalar(x_54)) {
- x_55 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_55 = x_54;
-}
-lean_ctor_set(x_55, 0, x_52);
-lean_ctor_set(x_55, 1, x_53);
-lean_ctor_set(x_55, 2, x_46);
-x_19 = x_51;
-x_20 = x_55;
-goto block_26;
+lean_object* x_51; lean_object* x_52; 
+x_51 = l_Lean_mkForall(x_16, x_18, x_50, x_6);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_49);
+return x_52;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-lean_dec(x_46);
+lean_object* x_53; lean_object* x_54; 
+x_53 = l_Lean_mkLambda(x_16, x_18, x_50, x_6);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_49);
+return x_54;
+}
+}
+}
+else
+{
+uint8_t x_55; 
+lean_dec(x_26);
 lean_dec(x_16);
 lean_dec(x_6);
-x_56 = lean_ctor_get(x_49, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_49, 1);
+x_55 = !lean_is_exclusive(x_28);
+if (x_55 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_28, 0);
+x_57 = lean_ctor_get(x_28, 1);
 lean_inc(x_57);
-if (lean_is_exclusive(x_49)) {
- lean_ctor_release(x_49, 0);
- lean_ctor_release(x_49, 1);
- x_58 = x_49;
-} else {
- lean_dec_ref(x_49);
- x_58 = lean_box(0);
-}
-if (lean_is_scalar(x_58)) {
- x_59 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_59 = x_58;
-}
-lean_ctor_set(x_59, 0, x_56);
-lean_ctor_set(x_59, 1, x_57);
-return x_59;
-}
+lean_inc(x_56);
+lean_dec(x_28);
+x_58 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_58, 0, x_56);
+lean_ctor_set(x_58, 1, x_57);
+return x_58;
 }
 }
 }
 else
 {
-uint8_t x_60; 
-x_60 = !lean_is_exclusive(x_7);
-if (x_60 == 0)
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_59 = lean_ctor_get(x_7, 0);
+x_60 = lean_ctor_get(x_7, 1);
 x_61 = lean_ctor_get(x_7, 2);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_7);
 x_62 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_7, 2, x_62);
-x_63 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_7);
-if (lean_obj_tag(x_63) == 0)
+x_63 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_63, 0, x_59);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_62);
+x_64 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_63);
+if (lean_obj_tag(x_64) == 0)
 {
-lean_object* x_64; lean_object* x_65; uint8_t x_66; 
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_63, 0);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_65 = lean_ctor_get(x_64, 1);
 lean_inc(x_65);
-lean_dec(x_63);
-x_66 = !lean_is_exclusive(x_64);
-if (x_66 == 0)
-{
-lean_object* x_67; 
-x_67 = lean_ctor_get(x_64, 2);
-lean_dec(x_67);
-lean_ctor_set(x_64, 2, x_61);
-x_19 = x_65;
-x_20 = x_64;
-goto block_26;
+x_66 = lean_ctor_get(x_64, 0);
+lean_inc(x_66);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_67 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_67 = lean_box(0);
 }
-else
-{
-lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_68 = lean_ctor_get(x_64, 0);
-x_69 = lean_ctor_get(x_64, 1);
-lean_inc(x_69);
+x_68 = lean_ctor_get(x_65, 0);
 lean_inc(x_68);
-lean_dec(x_64);
-x_70 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_70, 0, x_68);
-lean_ctor_set(x_70, 1, x_69);
-lean_ctor_set(x_70, 2, x_61);
-x_19 = x_65;
-x_20 = x_70;
-goto block_26;
+x_69 = lean_ctor_get(x_65, 1);
+lean_inc(x_69);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ lean_ctor_release(x_65, 2);
+ x_70 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_70 = lean_box(0);
+}
+if (lean_is_scalar(x_70)) {
+ x_71 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_71 = x_70;
+}
+lean_ctor_set(x_71, 0, x_68);
+lean_ctor_set(x_71, 1, x_69);
+lean_ctor_set(x_71, 2, x_61);
+x_72 = lean_expr_abstract_range(x_66, x_2, x_1);
+lean_dec(x_66);
+if (x_5 == 0)
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_mkForall(x_16, x_18, x_72, x_6);
+if (lean_is_scalar(x_67)) {
+ x_74 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_74 = x_67;
+}
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+x_75 = l_Lean_mkLambda(x_16, x_18, x_72, x_6);
+if (lean_is_scalar(x_67)) {
+ x_76 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_76 = x_67;
+}
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_71);
+return x_76;
 }
 }
 else
 {
-uint8_t x_71; 
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
 lean_dec(x_61);
 lean_dec(x_16);
 lean_dec(x_6);
-x_71 = !lean_is_exclusive(x_63);
-if (x_71 == 0)
-{
-return x_63;
-}
-else
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_72 = lean_ctor_get(x_63, 0);
-x_73 = lean_ctor_get(x_63, 1);
-lean_inc(x_73);
-lean_inc(x_72);
-lean_dec(x_63);
-x_74 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_74, 0, x_72);
-lean_ctor_set(x_74, 1, x_73);
-return x_74;
-}
-}
-}
-else
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_75 = lean_ctor_get(x_7, 0);
-x_76 = lean_ctor_get(x_7, 1);
-x_77 = lean_ctor_get(x_7, 2);
+x_77 = lean_ctor_get(x_64, 0);
 lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_dec(x_7);
-x_78 = l_HashMap_Inhabited___closed__1;
-x_79 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_79, 0, x_75);
-lean_ctor_set(x_79, 1, x_76);
-lean_ctor_set(x_79, 2, x_78);
-x_80 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_17, x_79);
-if (lean_obj_tag(x_80) == 0)
+x_78 = lean_ctor_get(x_64, 1);
+lean_inc(x_78);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_79 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_79 = lean_box(0);
+}
+if (lean_is_scalar(x_79)) {
+ x_80 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_80 = x_79;
+}
+lean_ctor_set(x_80, 0, x_77);
+lean_ctor_set(x_80, 1, x_78);
+return x_80;
+}
+}
+}
+}
+else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_81 = lean_ctor_get(x_80, 1);
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_147; uint8_t x_148; 
+x_81 = lean_ctor_get(x_15, 2);
 lean_inc(x_81);
-x_82 = lean_ctor_get(x_80, 0);
+x_82 = lean_ctor_get(x_15, 3);
 lean_inc(x_82);
-lean_dec(x_80);
-x_83 = lean_ctor_get(x_81, 0);
+x_83 = lean_ctor_get(x_15, 4);
 lean_inc(x_83);
-x_84 = lean_ctor_get(x_81, 1);
-lean_inc(x_84);
-if (lean_is_exclusive(x_81)) {
- lean_ctor_release(x_81, 0);
- lean_ctor_release(x_81, 1);
- lean_ctor_release(x_81, 2);
- x_85 = x_81;
-} else {
- lean_dec_ref(x_81);
- x_85 = lean_box(0);
-}
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_86 = x_85;
-}
-lean_ctor_set(x_86, 0, x_83);
-lean_ctor_set(x_86, 1, x_84);
-lean_ctor_set(x_86, 2, x_77);
-x_19 = x_82;
-x_20 = x_86;
-goto block_26;
-}
-else
-{
-lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-lean_dec(x_77);
-lean_dec(x_16);
-lean_dec(x_6);
-x_87 = lean_ctor_get(x_80, 0);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_80, 1);
-lean_inc(x_88);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- x_89 = x_80;
-} else {
- lean_dec_ref(x_80);
- x_89 = lean_box(0);
-}
-if (lean_is_scalar(x_89)) {
- x_90 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_90 = x_89;
-}
-lean_ctor_set(x_90, 0, x_87);
-lean_ctor_set(x_90, 1, x_88);
-return x_90;
-}
-}
-}
-block_26:
-{
-lean_object* x_21; 
-x_21 = lean_expr_abstract_range(x_19, x_2, x_1);
-lean_dec(x_19);
-if (x_5 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_expr_mk_forall(x_16, x_18, x_21, x_6);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_20);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_expr_mk_lambda(x_16, x_18, x_21, x_6);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_20);
-return x_25;
-}
-}
-}
-else
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_203; uint8_t x_204; 
-x_91 = lean_ctor_get(x_15, 2);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_15, 3);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_15, 4);
-lean_inc(x_93);
 lean_dec(x_15);
-x_203 = lean_unsigned_to_nat(0u);
-x_204 = lean_expr_has_loose_bvar(x_6, x_203);
-if (x_204 == 0)
+x_147 = lean_unsigned_to_nat(0u);
+x_148 = lean_expr_has_loose_bvar(x_6, x_147);
+if (x_148 == 0)
 {
-lean_object* x_205; 
-lean_dec(x_93);
-lean_dec(x_92);
-lean_dec(x_91);
-x_205 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_205, 0, x_6);
-lean_ctor_set(x_205, 1, x_7);
-return x_205;
+lean_object* x_149; 
+lean_dec(x_83);
+lean_dec(x_82);
+lean_dec(x_81);
+x_149 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_149, 0, x_6);
+lean_ctor_set(x_149, 1, x_7);
+return x_149;
 }
 else
 {
-uint8_t x_206; 
-x_206 = lean_expr_has_expr_mvar(x_92);
-if (x_206 == 0)
+uint8_t x_150; 
+x_150 = l_Lean_Expr_hasMVar(x_82);
+if (x_150 == 0)
 {
-uint8_t x_207; 
-x_207 = lean_expr_has_level_mvar(x_92);
-if (x_207 == 0)
-{
-x_94 = x_92;
-x_95 = x_7;
-goto block_202;
+x_84 = x_82;
+x_85 = x_7;
+goto block_146;
 }
 else
 {
-uint8_t x_208; 
-x_208 = !lean_is_exclusive(x_7);
-if (x_208 == 0)
+uint8_t x_151; 
+x_151 = !lean_is_exclusive(x_7);
+if (x_151 == 0)
 {
-lean_object* x_209; lean_object* x_210; lean_object* x_211; 
-x_209 = lean_ctor_get(x_7, 2);
-x_210 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_7, 2, x_210);
-x_211 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_92, x_7);
-if (lean_obj_tag(x_211) == 0)
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_7, 2);
+x_153 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_7, 2, x_153);
+x_154 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_82, x_7);
+if (lean_obj_tag(x_154) == 0)
 {
-lean_object* x_212; lean_object* x_213; uint8_t x_214; 
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-x_213 = lean_ctor_get(x_211, 0);
-lean_inc(x_213);
-lean_dec(x_211);
-x_214 = !lean_is_exclusive(x_212);
-if (x_214 == 0)
+lean_object* x_155; lean_object* x_156; uint8_t x_157; 
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_154, 0);
+lean_inc(x_156);
+lean_dec(x_154);
+x_157 = !lean_is_exclusive(x_155);
+if (x_157 == 0)
 {
-lean_object* x_215; 
-x_215 = lean_ctor_get(x_212, 2);
-lean_dec(x_215);
-lean_ctor_set(x_212, 2, x_209);
-x_94 = x_213;
-x_95 = x_212;
-goto block_202;
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_155, 2);
+lean_dec(x_158);
+lean_ctor_set(x_155, 2, x_152);
+x_84 = x_156;
+x_85 = x_155;
+goto block_146;
 }
 else
 {
-lean_object* x_216; lean_object* x_217; lean_object* x_218; 
-x_216 = lean_ctor_get(x_212, 0);
-x_217 = lean_ctor_get(x_212, 1);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_dec(x_212);
-x_218 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_218, 0, x_216);
-lean_ctor_set(x_218, 1, x_217);
-lean_ctor_set(x_218, 2, x_209);
-x_94 = x_213;
-x_95 = x_218;
-goto block_202;
-}
-}
-else
-{
-uint8_t x_219; 
-lean_dec(x_209);
-lean_dec(x_93);
-lean_dec(x_91);
-lean_dec(x_6);
-x_219 = !lean_is_exclusive(x_211);
-if (x_219 == 0)
-{
-return x_211;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; 
-x_220 = lean_ctor_get(x_211, 0);
-x_221 = lean_ctor_get(x_211, 1);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_211);
-x_222 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_222, 0, x_220);
-lean_ctor_set(x_222, 1, x_221);
-return x_222;
-}
-}
-}
-else
-{
-lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; 
-x_223 = lean_ctor_get(x_7, 0);
-x_224 = lean_ctor_get(x_7, 1);
-x_225 = lean_ctor_get(x_7, 2);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_dec(x_7);
-x_226 = l_HashMap_Inhabited___closed__1;
-x_227 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_227, 0, x_223);
-lean_ctor_set(x_227, 1, x_224);
-lean_ctor_set(x_227, 2, x_226);
-x_228 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_92, x_227);
-if (lean_obj_tag(x_228) == 0)
-{
-lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_229 = lean_ctor_get(x_228, 1);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_228, 0);
-lean_inc(x_230);
-lean_dec(x_228);
-x_231 = lean_ctor_get(x_229, 0);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_229, 1);
-lean_inc(x_232);
-if (lean_is_exclusive(x_229)) {
- lean_ctor_release(x_229, 0);
- lean_ctor_release(x_229, 1);
- lean_ctor_release(x_229, 2);
- x_233 = x_229;
-} else {
- lean_dec_ref(x_229);
- x_233 = lean_box(0);
-}
-if (lean_is_scalar(x_233)) {
- x_234 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_234 = x_233;
-}
-lean_ctor_set(x_234, 0, x_231);
-lean_ctor_set(x_234, 1, x_232);
-lean_ctor_set(x_234, 2, x_225);
-x_94 = x_230;
-x_95 = x_234;
-goto block_202;
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; 
-lean_dec(x_225);
-lean_dec(x_93);
-lean_dec(x_91);
-lean_dec(x_6);
-x_235 = lean_ctor_get(x_228, 0);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_228, 1);
-lean_inc(x_236);
-if (lean_is_exclusive(x_228)) {
- lean_ctor_release(x_228, 0);
- lean_ctor_release(x_228, 1);
- x_237 = x_228;
-} else {
- lean_dec_ref(x_228);
- x_237 = lean_box(0);
-}
-if (lean_is_scalar(x_237)) {
- x_238 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_238 = x_237;
-}
-lean_ctor_set(x_238, 0, x_235);
-lean_ctor_set(x_238, 1, x_236);
-return x_238;
-}
-}
-}
-}
-else
-{
-uint8_t x_239; 
-x_239 = !lean_is_exclusive(x_7);
-if (x_239 == 0)
-{
-lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_240 = lean_ctor_get(x_7, 2);
-x_241 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_7, 2, x_241);
-x_242 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_92, x_7);
-if (lean_obj_tag(x_242) == 0)
-{
-lean_object* x_243; lean_object* x_244; uint8_t x_245; 
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-x_244 = lean_ctor_get(x_242, 0);
-lean_inc(x_244);
-lean_dec(x_242);
-x_245 = !lean_is_exclusive(x_243);
-if (x_245 == 0)
-{
-lean_object* x_246; 
-x_246 = lean_ctor_get(x_243, 2);
-lean_dec(x_246);
-lean_ctor_set(x_243, 2, x_240);
-x_94 = x_244;
-x_95 = x_243;
-goto block_202;
-}
-else
-{
-lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_247 = lean_ctor_get(x_243, 0);
-x_248 = lean_ctor_get(x_243, 1);
-lean_inc(x_248);
-lean_inc(x_247);
-lean_dec(x_243);
-x_249 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_249, 0, x_247);
-lean_ctor_set(x_249, 1, x_248);
-lean_ctor_set(x_249, 2, x_240);
-x_94 = x_244;
-x_95 = x_249;
-goto block_202;
-}
-}
-else
-{
-uint8_t x_250; 
-lean_dec(x_240);
-lean_dec(x_93);
-lean_dec(x_91);
-lean_dec(x_6);
-x_250 = !lean_is_exclusive(x_242);
-if (x_250 == 0)
-{
-return x_242;
-}
-else
-{
-lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_251 = lean_ctor_get(x_242, 0);
-x_252 = lean_ctor_get(x_242, 1);
-lean_inc(x_252);
-lean_inc(x_251);
-lean_dec(x_242);
-x_253 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_253, 0, x_251);
-lean_ctor_set(x_253, 1, x_252);
-return x_253;
-}
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; 
-x_254 = lean_ctor_get(x_7, 0);
-x_255 = lean_ctor_get(x_7, 1);
-x_256 = lean_ctor_get(x_7, 2);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_inc(x_254);
-lean_dec(x_7);
-x_257 = l_HashMap_Inhabited___closed__1;
-x_258 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_258, 0, x_254);
-lean_ctor_set(x_258, 1, x_255);
-lean_ctor_set(x_258, 2, x_257);
-x_259 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_92, x_258);
-if (lean_obj_tag(x_259) == 0)
-{
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_260 = lean_ctor_get(x_259, 1);
-lean_inc(x_260);
-x_261 = lean_ctor_get(x_259, 0);
-lean_inc(x_261);
-lean_dec(x_259);
-x_262 = lean_ctor_get(x_260, 0);
-lean_inc(x_262);
-x_263 = lean_ctor_get(x_260, 1);
-lean_inc(x_263);
-if (lean_is_exclusive(x_260)) {
- lean_ctor_release(x_260, 0);
- lean_ctor_release(x_260, 1);
- lean_ctor_release(x_260, 2);
- x_264 = x_260;
-} else {
- lean_dec_ref(x_260);
- x_264 = lean_box(0);
-}
-if (lean_is_scalar(x_264)) {
- x_265 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_265 = x_264;
-}
-lean_ctor_set(x_265, 0, x_262);
-lean_ctor_set(x_265, 1, x_263);
-lean_ctor_set(x_265, 2, x_256);
-x_94 = x_261;
-x_95 = x_265;
-goto block_202;
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; 
-lean_dec(x_256);
-lean_dec(x_93);
-lean_dec(x_91);
-lean_dec(x_6);
-x_266 = lean_ctor_get(x_259, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_259, 1);
-lean_inc(x_267);
-if (lean_is_exclusive(x_259)) {
- lean_ctor_release(x_259, 0);
- lean_ctor_release(x_259, 1);
- x_268 = x_259;
-} else {
- lean_dec_ref(x_259);
- x_268 = lean_box(0);
-}
-if (lean_is_scalar(x_268)) {
- x_269 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_269 = x_268;
-}
-lean_ctor_set(x_269, 0, x_266);
-lean_ctor_set(x_269, 1, x_267);
-return x_269;
-}
-}
-}
-}
-block_202:
-{
-lean_object* x_96; uint8_t x_97; 
-x_96 = lean_expr_abstract_range(x_94, x_2, x_1);
-lean_dec(x_94);
-x_97 = lean_expr_has_expr_mvar(x_93);
-if (x_97 == 0)
-{
-uint8_t x_98; 
-x_98 = lean_expr_has_level_mvar(x_93);
-if (x_98 == 0)
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_99 = lean_expr_abstract_range(x_93, x_2, x_1);
-lean_dec(x_93);
-x_100 = lean_expr_mk_let(x_91, x_96, x_99, x_6);
-x_101 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_101, 0, x_100);
-lean_ctor_set(x_101, 1, x_95);
-return x_101;
-}
-else
-{
-uint8_t x_102; 
-x_102 = !lean_is_exclusive(x_95);
-if (x_102 == 0)
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-x_103 = lean_ctor_get(x_95, 2);
-x_104 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_95, 2, x_104);
-x_105 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_93, x_95);
-if (lean_obj_tag(x_105) == 0)
-{
-uint8_t x_106; 
-x_106 = !lean_is_exclusive(x_105);
-if (x_106 == 0)
-{
-lean_object* x_107; uint8_t x_108; 
-x_107 = lean_ctor_get(x_105, 1);
-x_108 = !lean_is_exclusive(x_107);
-if (x_108 == 0)
-{
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_109 = lean_ctor_get(x_105, 0);
-x_110 = lean_ctor_get(x_107, 2);
-lean_dec(x_110);
-lean_ctor_set(x_107, 2, x_103);
-x_111 = lean_expr_abstract_range(x_109, x_2, x_1);
-lean_dec(x_109);
-x_112 = lean_expr_mk_let(x_91, x_96, x_111, x_6);
-lean_ctor_set(x_105, 0, x_112);
-return x_105;
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_113 = lean_ctor_get(x_105, 0);
-x_114 = lean_ctor_get(x_107, 0);
-x_115 = lean_ctor_get(x_107, 1);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_dec(x_107);
-x_116 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_116, 0, x_114);
-lean_ctor_set(x_116, 1, x_115);
-lean_ctor_set(x_116, 2, x_103);
-x_117 = lean_expr_abstract_range(x_113, x_2, x_1);
-lean_dec(x_113);
-x_118 = lean_expr_mk_let(x_91, x_96, x_117, x_6);
-lean_ctor_set(x_105, 1, x_116);
-lean_ctor_set(x_105, 0, x_118);
-return x_105;
-}
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_119 = lean_ctor_get(x_105, 1);
-x_120 = lean_ctor_get(x_105, 0);
-lean_inc(x_119);
-lean_inc(x_120);
-lean_dec(x_105);
-x_121 = lean_ctor_get(x_119, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_119, 1);
-lean_inc(x_122);
-if (lean_is_exclusive(x_119)) {
- lean_ctor_release(x_119, 0);
- lean_ctor_release(x_119, 1);
- lean_ctor_release(x_119, 2);
- x_123 = x_119;
-} else {
- lean_dec_ref(x_119);
- x_123 = lean_box(0);
-}
-if (lean_is_scalar(x_123)) {
- x_124 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_124 = x_123;
-}
-lean_ctor_set(x_124, 0, x_121);
-lean_ctor_set(x_124, 1, x_122);
-lean_ctor_set(x_124, 2, x_103);
-x_125 = lean_expr_abstract_range(x_120, x_2, x_1);
-lean_dec(x_120);
-x_126 = lean_expr_mk_let(x_91, x_96, x_125, x_6);
-x_127 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_127, 0, x_126);
-lean_ctor_set(x_127, 1, x_124);
-return x_127;
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_103);
-lean_dec(x_96);
-lean_dec(x_91);
-lean_dec(x_6);
-x_128 = !lean_is_exclusive(x_105);
-if (x_128 == 0)
-{
-return x_105;
-}
-else
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_105, 0);
-x_130 = lean_ctor_get(x_105, 1);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_dec(x_105);
-x_131 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_131, 0, x_129);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_132 = lean_ctor_get(x_95, 0);
-x_133 = lean_ctor_get(x_95, 1);
-x_134 = lean_ctor_get(x_95, 2);
-lean_inc(x_134);
-lean_inc(x_133);
-lean_inc(x_132);
-lean_dec(x_95);
-x_135 = l_HashMap_Inhabited___closed__1;
-x_136 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_136, 0, x_132);
-lean_ctor_set(x_136, 1, x_133);
-lean_ctor_set(x_136, 2, x_135);
-x_137 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_93, x_136);
-if (lean_obj_tag(x_137) == 0)
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_138 = lean_ctor_get(x_137, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_137, 0);
-lean_inc(x_139);
-if (lean_is_exclusive(x_137)) {
- lean_ctor_release(x_137, 0);
- lean_ctor_release(x_137, 1);
- x_140 = x_137;
-} else {
- lean_dec_ref(x_137);
- x_140 = lean_box(0);
-}
-x_141 = lean_ctor_get(x_138, 0);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_138, 1);
-lean_inc(x_142);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- lean_ctor_release(x_138, 2);
- x_143 = x_138;
-} else {
- lean_dec_ref(x_138);
- x_143 = lean_box(0);
-}
-if (lean_is_scalar(x_143)) {
- x_144 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_144 = x_143;
-}
-lean_ctor_set(x_144, 0, x_141);
-lean_ctor_set(x_144, 1, x_142);
-lean_ctor_set(x_144, 2, x_134);
-x_145 = lean_expr_abstract_range(x_139, x_2, x_1);
-lean_dec(x_139);
-x_146 = lean_expr_mk_let(x_91, x_96, x_145, x_6);
-if (lean_is_scalar(x_140)) {
- x_147 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_147 = x_140;
-}
-lean_ctor_set(x_147, 0, x_146);
-lean_ctor_set(x_147, 1, x_144);
-return x_147;
-}
-else
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
-lean_dec(x_134);
-lean_dec(x_96);
-lean_dec(x_91);
-lean_dec(x_6);
-x_148 = lean_ctor_get(x_137, 0);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_137, 1);
-lean_inc(x_149);
-if (lean_is_exclusive(x_137)) {
- lean_ctor_release(x_137, 0);
- lean_ctor_release(x_137, 1);
- x_150 = x_137;
-} else {
- lean_dec_ref(x_137);
- x_150 = lean_box(0);
-}
-if (lean_is_scalar(x_150)) {
- x_151 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_151 = x_150;
-}
-lean_ctor_set(x_151, 0, x_148);
-lean_ctor_set(x_151, 1, x_149);
-return x_151;
-}
-}
-}
-}
-else
-{
-uint8_t x_152; 
-x_152 = !lean_is_exclusive(x_95);
-if (x_152 == 0)
-{
-lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_153 = lean_ctor_get(x_95, 2);
-x_154 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_95, 2, x_154);
-x_155 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_93, x_95);
-if (lean_obj_tag(x_155) == 0)
-{
-uint8_t x_156; 
-x_156 = !lean_is_exclusive(x_155);
-if (x_156 == 0)
-{
-lean_object* x_157; uint8_t x_158; 
-x_157 = lean_ctor_get(x_155, 1);
-x_158 = !lean_is_exclusive(x_157);
-if (x_158 == 0)
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
+lean_object* x_159; lean_object* x_160; lean_object* x_161; 
 x_159 = lean_ctor_get(x_155, 0);
-x_160 = lean_ctor_get(x_157, 2);
-lean_dec(x_160);
-lean_ctor_set(x_157, 2, x_153);
-x_161 = lean_expr_abstract_range(x_159, x_2, x_1);
-lean_dec(x_159);
-x_162 = lean_expr_mk_let(x_91, x_96, x_161, x_6);
-lean_ctor_set(x_155, 0, x_162);
-return x_155;
-}
-else
-{
-lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-x_163 = lean_ctor_get(x_155, 0);
-x_164 = lean_ctor_get(x_157, 0);
-x_165 = lean_ctor_get(x_157, 1);
-lean_inc(x_165);
-lean_inc(x_164);
-lean_dec(x_157);
-x_166 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_166, 0, x_164);
-lean_ctor_set(x_166, 1, x_165);
-lean_ctor_set(x_166, 2, x_153);
-x_167 = lean_expr_abstract_range(x_163, x_2, x_1);
-lean_dec(x_163);
-x_168 = lean_expr_mk_let(x_91, x_96, x_167, x_6);
-lean_ctor_set(x_155, 1, x_166);
-lean_ctor_set(x_155, 0, x_168);
-return x_155;
-}
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_169 = lean_ctor_get(x_155, 1);
-x_170 = lean_ctor_get(x_155, 0);
-lean_inc(x_169);
-lean_inc(x_170);
+x_160 = lean_ctor_get(x_155, 1);
+lean_inc(x_160);
+lean_inc(x_159);
 lean_dec(x_155);
-x_171 = lean_ctor_get(x_169, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_169, 1);
-lean_inc(x_172);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- lean_ctor_release(x_169, 2);
- x_173 = x_169;
-} else {
- lean_dec_ref(x_169);
- x_173 = lean_box(0);
-}
-if (lean_is_scalar(x_173)) {
- x_174 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_174 = x_173;
-}
-lean_ctor_set(x_174, 0, x_171);
-lean_ctor_set(x_174, 1, x_172);
-lean_ctor_set(x_174, 2, x_153);
-x_175 = lean_expr_abstract_range(x_170, x_2, x_1);
-lean_dec(x_170);
-x_176 = lean_expr_mk_let(x_91, x_96, x_175, x_6);
-x_177 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_177, 0, x_176);
-lean_ctor_set(x_177, 1, x_174);
-return x_177;
+x_161 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_161, 0, x_159);
+lean_ctor_set(x_161, 1, x_160);
+lean_ctor_set(x_161, 2, x_152);
+x_84 = x_156;
+x_85 = x_161;
+goto block_146;
 }
 }
 else
 {
-uint8_t x_178; 
-lean_dec(x_153);
-lean_dec(x_96);
-lean_dec(x_91);
+uint8_t x_162; 
+lean_dec(x_152);
+lean_dec(x_83);
+lean_dec(x_81);
 lean_dec(x_6);
-x_178 = !lean_is_exclusive(x_155);
-if (x_178 == 0)
+x_162 = !lean_is_exclusive(x_154);
+if (x_162 == 0)
 {
-return x_155;
+return x_154;
 }
 else
 {
-lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_179 = lean_ctor_get(x_155, 0);
-x_180 = lean_ctor_get(x_155, 1);
-lean_inc(x_180);
+lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_163 = lean_ctor_get(x_154, 0);
+x_164 = lean_ctor_get(x_154, 1);
+lean_inc(x_164);
+lean_inc(x_163);
+lean_dec(x_154);
+x_165 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_165, 0, x_163);
+lean_ctor_set(x_165, 1, x_164);
+return x_165;
+}
+}
+}
+else
+{
+lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_166 = lean_ctor_get(x_7, 0);
+x_167 = lean_ctor_get(x_7, 1);
+x_168 = lean_ctor_get(x_7, 2);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_inc(x_166);
+lean_dec(x_7);
+x_169 = l_HashMap_Inhabited___closed__1;
+x_170 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_170, 0, x_166);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_169);
+x_171 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_82, x_170);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
+x_172 = lean_ctor_get(x_171, 1);
+lean_inc(x_172);
+x_173 = lean_ctor_get(x_171, 0);
+lean_inc(x_173);
+lean_dec(x_171);
+x_174 = lean_ctor_get(x_172, 0);
+lean_inc(x_174);
+x_175 = lean_ctor_get(x_172, 1);
+lean_inc(x_175);
+if (lean_is_exclusive(x_172)) {
+ lean_ctor_release(x_172, 0);
+ lean_ctor_release(x_172, 1);
+ lean_ctor_release(x_172, 2);
+ x_176 = x_172;
+} else {
+ lean_dec_ref(x_172);
+ x_176 = lean_box(0);
+}
+if (lean_is_scalar(x_176)) {
+ x_177 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_177 = x_176;
+}
+lean_ctor_set(x_177, 0, x_174);
+lean_ctor_set(x_177, 1, x_175);
+lean_ctor_set(x_177, 2, x_168);
+x_84 = x_173;
+x_85 = x_177;
+goto block_146;
+}
+else
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+lean_dec(x_168);
+lean_dec(x_83);
+lean_dec(x_81);
+lean_dec(x_6);
+x_178 = lean_ctor_get(x_171, 0);
+lean_inc(x_178);
+x_179 = lean_ctor_get(x_171, 1);
 lean_inc(x_179);
-lean_dec(x_155);
-x_181 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_181, 0, x_179);
-lean_ctor_set(x_181, 1, x_180);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_180 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_180 = lean_box(0);
+}
+if (lean_is_scalar(x_180)) {
+ x_181 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_181 = x_180;
+}
+lean_ctor_set(x_181, 0, x_178);
+lean_ctor_set(x_181, 1, x_179);
 return x_181;
 }
 }
 }
+}
+block_146:
+{
+lean_object* x_86; uint8_t x_87; 
+x_86 = lean_expr_abstract_range(x_84, x_2, x_1);
+lean_dec(x_84);
+x_87 = l_Lean_Expr_hasMVar(x_83);
+if (x_87 == 0)
+{
+lean_object* x_88; uint8_t x_89; lean_object* x_90; lean_object* x_91; 
+x_88 = lean_expr_abstract_range(x_83, x_2, x_1);
+lean_dec(x_83);
+x_89 = 0;
+x_90 = l_Lean_mkLet(x_81, x_86, x_88, x_6, x_89);
+x_91 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_91, 0, x_90);
+lean_ctor_set(x_91, 1, x_85);
+return x_91;
+}
 else
 {
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; 
-x_182 = lean_ctor_get(x_95, 0);
-x_183 = lean_ctor_get(x_95, 1);
-x_184 = lean_ctor_get(x_95, 2);
-lean_inc(x_184);
-lean_inc(x_183);
-lean_inc(x_182);
+uint8_t x_92; 
+x_92 = !lean_is_exclusive(x_85);
+if (x_92 == 0)
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_93 = lean_ctor_get(x_85, 2);
+x_94 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_85, 2, x_94);
+x_95 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_83, x_85);
+if (lean_obj_tag(x_95) == 0)
+{
+uint8_t x_96; 
+x_96 = !lean_is_exclusive(x_95);
+if (x_96 == 0)
+{
+lean_object* x_97; uint8_t x_98; 
+x_97 = lean_ctor_get(x_95, 1);
+x_98 = !lean_is_exclusive(x_97);
+if (x_98 == 0)
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; lean_object* x_103; 
+x_99 = lean_ctor_get(x_95, 0);
+x_100 = lean_ctor_get(x_97, 2);
+lean_dec(x_100);
+lean_ctor_set(x_97, 2, x_93);
+x_101 = lean_expr_abstract_range(x_99, x_2, x_1);
+lean_dec(x_99);
+x_102 = 0;
+x_103 = l_Lean_mkLet(x_81, x_86, x_101, x_6, x_102);
+lean_ctor_set(x_95, 0, x_103);
+return x_95;
+}
+else
+{
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; lean_object* x_110; 
+x_104 = lean_ctor_get(x_95, 0);
+x_105 = lean_ctor_get(x_97, 0);
+x_106 = lean_ctor_get(x_97, 1);
+lean_inc(x_106);
+lean_inc(x_105);
+lean_dec(x_97);
+x_107 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_107, 0, x_105);
+lean_ctor_set(x_107, 1, x_106);
+lean_ctor_set(x_107, 2, x_93);
+x_108 = lean_expr_abstract_range(x_104, x_2, x_1);
+lean_dec(x_104);
+x_109 = 0;
+x_110 = l_Lean_mkLet(x_81, x_86, x_108, x_6, x_109);
+lean_ctor_set(x_95, 1, x_107);
+lean_ctor_set(x_95, 0, x_110);
+return x_95;
+}
+}
+else
+{
+lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; lean_object* x_119; lean_object* x_120; 
+x_111 = lean_ctor_get(x_95, 1);
+x_112 = lean_ctor_get(x_95, 0);
+lean_inc(x_111);
+lean_inc(x_112);
 lean_dec(x_95);
-x_185 = l_HashMap_Inhabited___closed__1;
-x_186 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_186, 0, x_182);
-lean_ctor_set(x_186, 1, x_183);
-lean_ctor_set(x_186, 2, x_185);
-x_187 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_93, x_186);
-if (lean_obj_tag(x_187) == 0)
-{
-lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_188 = lean_ctor_get(x_187, 1);
-lean_inc(x_188);
-x_189 = lean_ctor_get(x_187, 0);
-lean_inc(x_189);
-if (lean_is_exclusive(x_187)) {
- lean_ctor_release(x_187, 0);
- lean_ctor_release(x_187, 1);
- x_190 = x_187;
+x_113 = lean_ctor_get(x_111, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ lean_ctor_release(x_111, 2);
+ x_115 = x_111;
 } else {
- lean_dec_ref(x_187);
- x_190 = lean_box(0);
+ lean_dec_ref(x_111);
+ x_115 = lean_box(0);
 }
-x_191 = lean_ctor_get(x_188, 0);
-lean_inc(x_191);
-x_192 = lean_ctor_get(x_188, 1);
-lean_inc(x_192);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- lean_ctor_release(x_188, 2);
- x_193 = x_188;
+if (lean_is_scalar(x_115)) {
+ x_116 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_188);
- x_193 = lean_box(0);
+ x_116 = x_115;
 }
-if (lean_is_scalar(x_193)) {
- x_194 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_194 = x_193;
+lean_ctor_set(x_116, 0, x_113);
+lean_ctor_set(x_116, 1, x_114);
+lean_ctor_set(x_116, 2, x_93);
+x_117 = lean_expr_abstract_range(x_112, x_2, x_1);
+lean_dec(x_112);
+x_118 = 0;
+x_119 = l_Lean_mkLet(x_81, x_86, x_117, x_6, x_118);
+x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_120, 0, x_119);
+lean_ctor_set(x_120, 1, x_116);
+return x_120;
 }
-lean_ctor_set(x_194, 0, x_191);
-lean_ctor_set(x_194, 1, x_192);
-lean_ctor_set(x_194, 2, x_184);
-x_195 = lean_expr_abstract_range(x_189, x_2, x_1);
-lean_dec(x_189);
-x_196 = lean_expr_mk_let(x_91, x_96, x_195, x_6);
-if (lean_is_scalar(x_190)) {
- x_197 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_197 = x_190;
-}
-lean_ctor_set(x_197, 0, x_196);
-lean_ctor_set(x_197, 1, x_194);
-return x_197;
 }
 else
 {
-lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-lean_dec(x_184);
-lean_dec(x_96);
-lean_dec(x_91);
+uint8_t x_121; 
+lean_dec(x_93);
+lean_dec(x_86);
+lean_dec(x_81);
 lean_dec(x_6);
-x_198 = lean_ctor_get(x_187, 0);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 1);
-lean_inc(x_199);
-if (lean_is_exclusive(x_187)) {
- lean_ctor_release(x_187, 0);
- lean_ctor_release(x_187, 1);
- x_200 = x_187;
-} else {
- lean_dec_ref(x_187);
- x_200 = lean_box(0);
+x_121 = !lean_is_exclusive(x_95);
+if (x_121 == 0)
+{
+return x_95;
 }
-if (lean_is_scalar(x_200)) {
- x_201 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_201 = x_200;
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_95, 0);
+x_123 = lean_ctor_get(x_95, 1);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_95);
+x_124 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_124, 0, x_122);
+lean_ctor_set(x_124, 1, x_123);
+return x_124;
 }
-lean_ctor_set(x_201, 0, x_198);
-lean_ctor_set(x_201, 1, x_199);
-return x_201;
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_125 = lean_ctor_get(x_85, 0);
+x_126 = lean_ctor_get(x_85, 1);
+x_127 = lean_ctor_get(x_85, 2);
+lean_inc(x_127);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_dec(x_85);
+x_128 = l_HashMap_Inhabited___closed__1;
+x_129 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_129, 0, x_125);
+lean_ctor_set(x_129, 1, x_126);
+lean_ctor_set(x_129, 2, x_128);
+x_130 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_83, x_129);
+if (lean_obj_tag(x_130) == 0)
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; lean_object* x_140; lean_object* x_141; 
+x_131 = lean_ctor_get(x_130, 1);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_130, 0);
+lean_inc(x_132);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_133 = x_130;
+} else {
+ lean_dec_ref(x_130);
+ x_133 = lean_box(0);
+}
+x_134 = lean_ctor_get(x_131, 0);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_131, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ lean_ctor_release(x_131, 2);
+ x_136 = x_131;
+} else {
+ lean_dec_ref(x_131);
+ x_136 = lean_box(0);
+}
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_137 = x_136;
+}
+lean_ctor_set(x_137, 0, x_134);
+lean_ctor_set(x_137, 1, x_135);
+lean_ctor_set(x_137, 2, x_127);
+x_138 = lean_expr_abstract_range(x_132, x_2, x_1);
+lean_dec(x_132);
+x_139 = 0;
+x_140 = l_Lean_mkLet(x_81, x_86, x_138, x_6, x_139);
+if (lean_is_scalar(x_133)) {
+ x_141 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_141 = x_133;
+}
+lean_ctor_set(x_141, 0, x_140);
+lean_ctor_set(x_141, 1, x_137);
+return x_141;
+}
+else
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+lean_dec(x_127);
+lean_dec(x_86);
+lean_dec(x_81);
+lean_dec(x_6);
+x_142 = lean_ctor_get(x_130, 0);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_130, 1);
+lean_inc(x_143);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_144 = x_130;
+} else {
+ lean_dec_ref(x_130);
+ x_144 = lean_box(0);
+}
+if (lean_is_scalar(x_144)) {
+ x_145 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_145 = x_144;
+}
+lean_ctor_set(x_145, 0, x_142);
+lean_ctor_set(x_145, 1, x_143);
+return x_145;
 }
 }
 }
@@ -34237,343 +26490,176 @@ _start:
 {
 lean_object* x_6; uint8_t x_7; 
 x_6 = lean_array_get_size(x_3);
-x_7 = lean_expr_has_expr_mvar(x_4);
+x_7 = l_Lean_Expr_hasMVar(x_4);
 if (x_7 == 0)
 {
-uint8_t x_8; 
-x_8 = lean_expr_has_level_mvar(x_4);
-if (x_8 == 0)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_expr_abstract_range(x_4, x_6, x_3);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = lean_expr_abstract_range(x_4, x_6, x_3);
 lean_dec(x_4);
-x_10 = l_EIO_Monad___closed__1;
-x_11 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_10, x_6, x_9, x_5);
+x_9 = l_EIO_Monad___closed__1;
+x_10 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_9, x_6, x_8, x_5);
 lean_dec(x_6);
-return x_11;
+return x_10;
 }
 else
 {
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_5);
-if (x_12 == 0)
+uint8_t x_11; 
+x_11 = !lean_is_exclusive(x_5);
+if (x_11 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_5, 2);
-x_14 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_5, 2, x_14);
-x_15 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_5);
-if (lean_obj_tag(x_15) == 0)
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_5, 2);
+x_13 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_5, 2, x_13);
+x_14 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_5);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_16 = lean_ctor_get(x_15, 1);
+lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 0);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 0);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = !lean_is_exclusive(x_16);
-if (x_18 == 0)
+lean_dec(x_14);
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_19 = lean_ctor_get(x_16, 2);
-lean_dec(x_19);
-lean_ctor_set(x_16, 2, x_13);
-x_20 = lean_expr_abstract_range(x_17, x_6, x_3);
-lean_dec(x_17);
-x_21 = l_EIO_Monad___closed__1;
-x_22 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_21, x_6, x_20, x_16);
-lean_dec(x_6);
-return x_22;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_23 = lean_ctor_get(x_16, 0);
-x_24 = lean_ctor_get(x_16, 1);
-lean_inc(x_24);
-lean_inc(x_23);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_15, 2);
+lean_dec(x_18);
+lean_ctor_set(x_15, 2, x_12);
+x_19 = lean_expr_abstract_range(x_16, x_6, x_3);
 lean_dec(x_16);
-x_25 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-lean_ctor_set(x_25, 2, x_13);
-x_26 = lean_expr_abstract_range(x_17, x_6, x_3);
-lean_dec(x_17);
-x_27 = l_EIO_Monad___closed__1;
-x_28 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_27, x_6, x_26, x_25);
+x_20 = l_EIO_Monad___closed__1;
+x_21 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_20, x_6, x_19, x_15);
 lean_dec(x_6);
-return x_28;
+return x_21;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_22 = lean_ctor_get(x_15, 0);
+x_23 = lean_ctor_get(x_15, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_15);
+x_24 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+lean_ctor_set(x_24, 2, x_12);
+x_25 = lean_expr_abstract_range(x_16, x_6, x_3);
+lean_dec(x_16);
+x_26 = l_EIO_Monad___closed__1;
+x_27 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_26, x_6, x_25, x_24);
+lean_dec(x_6);
+return x_27;
 }
 }
 else
 {
-uint8_t x_29; 
-lean_dec(x_13);
+uint8_t x_28; 
+lean_dec(x_12);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
-x_29 = !lean_is_exclusive(x_15);
-if (x_29 == 0)
+x_28 = !lean_is_exclusive(x_14);
+if (x_28 == 0)
 {
-return x_15;
+return x_14;
 }
 else
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_15, 0);
-x_31 = lean_ctor_get(x_15, 1);
-lean_inc(x_31);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_14, 0);
+x_30 = lean_ctor_get(x_14, 1);
 lean_inc(x_30);
-lean_dec(x_15);
-x_32 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-return x_32;
+lean_inc(x_29);
+lean_dec(x_14);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
 }
 }
 }
 else
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_33 = lean_ctor_get(x_5, 0);
-x_34 = lean_ctor_get(x_5, 1);
-x_35 = lean_ctor_get(x_5, 2);
-lean_inc(x_35);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_32 = lean_ctor_get(x_5, 0);
+x_33 = lean_ctor_get(x_5, 1);
+x_34 = lean_ctor_get(x_5, 2);
 lean_inc(x_34);
 lean_inc(x_33);
+lean_inc(x_32);
 lean_dec(x_5);
-x_36 = l_HashMap_Inhabited___closed__1;
-x_37 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_37, 0, x_33);
-lean_ctor_set(x_37, 1, x_34);
-lean_ctor_set(x_37, 2, x_36);
-x_38 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_37);
-if (lean_obj_tag(x_38) == 0)
+x_35 = l_HashMap_Inhabited___closed__1;
+x_36 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_36, 0, x_32);
+lean_ctor_set(x_36, 1, x_33);
+lean_ctor_set(x_36, 2, x_35);
+x_37 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_36);
+if (lean_obj_tag(x_37) == 0)
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_39 = lean_ctor_get(x_38, 1);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 0);
 lean_inc(x_39);
+lean_dec(x_37);
 x_40 = lean_ctor_get(x_38, 0);
 lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_ctor_get(x_39, 0);
+x_41 = lean_ctor_get(x_38, 1);
 lean_inc(x_41);
-x_42 = lean_ctor_get(x_39, 1);
-lean_inc(x_42);
-if (lean_is_exclusive(x_39)) {
- lean_ctor_release(x_39, 0);
- lean_ctor_release(x_39, 1);
- lean_ctor_release(x_39, 2);
- x_43 = x_39;
-} else {
- lean_dec_ref(x_39);
- x_43 = lean_box(0);
-}
-if (lean_is_scalar(x_43)) {
- x_44 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_44 = x_43;
-}
-lean_ctor_set(x_44, 0, x_41);
-lean_ctor_set(x_44, 1, x_42);
-lean_ctor_set(x_44, 2, x_35);
-x_45 = lean_expr_abstract_range(x_40, x_6, x_3);
-lean_dec(x_40);
-x_46 = l_EIO_Monad___closed__1;
-x_47 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_46, x_6, x_45, x_44);
-lean_dec(x_6);
-return x_47;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-lean_dec(x_35);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-x_48 = lean_ctor_get(x_38, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_38, 1);
-lean_inc(x_49);
 if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 0);
  lean_ctor_release(x_38, 1);
- x_50 = x_38;
+ lean_ctor_release(x_38, 2);
+ x_42 = x_38;
 } else {
  lean_dec_ref(x_38);
- x_50 = lean_box(0);
+ x_42 = lean_box(0);
 }
-if (lean_is_scalar(x_50)) {
- x_51 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_42)) {
+ x_43 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_51 = x_50;
+ x_43 = x_42;
 }
-lean_ctor_set(x_51, 0, x_48);
-lean_ctor_set(x_51, 1, x_49);
-return x_51;
-}
-}
-}
-}
-else
-{
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_5);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_5, 2);
-x_54 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_5, 2, x_54);
-x_55 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_5);
-if (lean_obj_tag(x_55) == 0)
-{
-lean_object* x_56; lean_object* x_57; uint8_t x_58; 
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 0);
-lean_inc(x_57);
-lean_dec(x_55);
-x_58 = !lean_is_exclusive(x_56);
-if (x_58 == 0)
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_56, 2);
-lean_dec(x_59);
-lean_ctor_set(x_56, 2, x_53);
-x_60 = lean_expr_abstract_range(x_57, x_6, x_3);
-lean_dec(x_57);
-x_61 = l_EIO_Monad___closed__1;
-x_62 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_61, x_6, x_60, x_56);
+lean_ctor_set(x_43, 0, x_40);
+lean_ctor_set(x_43, 1, x_41);
+lean_ctor_set(x_43, 2, x_34);
+x_44 = lean_expr_abstract_range(x_39, x_6, x_3);
+lean_dec(x_39);
+x_45 = l_EIO_Monad___closed__1;
+x_46 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_45, x_6, x_44, x_43);
 lean_dec(x_6);
-return x_62;
+return x_46;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_63 = lean_ctor_get(x_56, 0);
-x_64 = lean_ctor_get(x_56, 1);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_dec(x_56);
-x_65 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_64);
-lean_ctor_set(x_65, 2, x_53);
-x_66 = lean_expr_abstract_range(x_57, x_6, x_3);
-lean_dec(x_57);
-x_67 = l_EIO_Monad___closed__1;
-x_68 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_67, x_6, x_66, x_65);
-lean_dec(x_6);
-return x_68;
-}
-}
-else
-{
-uint8_t x_69; 
-lean_dec(x_53);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_dec(x_34);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
-x_69 = !lean_is_exclusive(x_55);
-if (x_69 == 0)
-{
-return x_55;
-}
-else
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_70 = lean_ctor_get(x_55, 0);
-x_71 = lean_ctor_get(x_55, 1);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_dec(x_55);
-x_72 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_72, 0, x_70);
-lean_ctor_set(x_72, 1, x_71);
-return x_72;
-}
-}
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_73 = lean_ctor_get(x_5, 0);
-x_74 = lean_ctor_get(x_5, 1);
-x_75 = lean_ctor_get(x_5, 2);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_5);
-x_76 = l_HashMap_Inhabited___closed__1;
-x_77 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_77, 0, x_73);
-lean_ctor_set(x_77, 1, x_74);
-lean_ctor_set(x_77, 2, x_76);
-x_78 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_3, x_4, x_77);
-if (lean_obj_tag(x_78) == 0)
-{
-lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_79 = lean_ctor_get(x_78, 1);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-lean_dec(x_78);
-x_81 = lean_ctor_get(x_79, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_79, 1);
-lean_inc(x_82);
-if (lean_is_exclusive(x_79)) {
- lean_ctor_release(x_79, 0);
- lean_ctor_release(x_79, 1);
- lean_ctor_release(x_79, 2);
- x_83 = x_79;
+x_47 = lean_ctor_get(x_37, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_37, 1);
+lean_inc(x_48);
+if (lean_is_exclusive(x_37)) {
+ lean_ctor_release(x_37, 0);
+ lean_ctor_release(x_37, 1);
+ x_49 = x_37;
 } else {
- lean_dec_ref(x_79);
- x_83 = lean_box(0);
+ lean_dec_ref(x_37);
+ x_49 = lean_box(0);
 }
-if (lean_is_scalar(x_83)) {
- x_84 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_49)) {
+ x_50 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_84 = x_83;
+ x_50 = x_49;
 }
-lean_ctor_set(x_84, 0, x_81);
-lean_ctor_set(x_84, 1, x_82);
-lean_ctor_set(x_84, 2, x_75);
-x_85 = lean_expr_abstract_range(x_80, x_6, x_3);
-lean_dec(x_80);
-x_86 = l_EIO_Monad___closed__1;
-x_87 = l_Nat_foldRevMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__2(x_1, x_2, x_3, x_86, x_6, x_85, x_84);
-lean_dec(x_6);
-return x_87;
-}
-else
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_75);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-x_88 = lean_ctor_get(x_78, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_78, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_90 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_88);
-lean_ctor_set(x_91, 1, x_89);
-return x_91;
+lean_ctor_set(x_50, 0, x_47);
+lean_ctor_set(x_50, 1, x_48);
+return x_50;
 }
 }
 }
@@ -34599,420 +26685,238 @@ return x_9;
 }
 else
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_22; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 x_10 = lean_array_fget(x_3, x_2);
 x_11 = lean_box(0);
 lean_inc(x_10);
 x_12 = x_11;
 x_13 = lean_array_fset(x_3, x_2, x_12);
-x_22 = lean_expr_has_expr_mvar(x_10);
-if (x_22 == 0)
-{
-uint8_t x_23; 
-x_23 = lean_expr_has_level_mvar(x_10);
-if (x_23 == 0)
+x_14 = l_Lean_Expr_hasMVar(x_10);
+if (x_14 == 0)
 {
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_add(x_2, x_15);
 lean_inc(x_10);
-x_14 = x_10;
-x_15 = x_4;
-goto block_21;
+x_17 = x_10;
+x_18 = lean_array_fset(x_13, x_2, x_17);
+lean_dec(x_2);
+x_2 = x_16;
+x_3 = x_18;
+goto _start;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_4, 2);
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_4, 2);
+lean_inc(x_20);
+x_21 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_20, x_10);
+lean_dec(x_20);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; 
+lean_inc(x_10);
+x_22 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_10, x_4);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 0);
 lean_inc(x_24);
-x_25 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_24, x_10);
-lean_dec(x_24);
-if (lean_obj_tag(x_25) == 0)
+lean_dec(x_22);
+x_25 = !lean_is_exclusive(x_23);
+if (x_25 == 0)
 {
-lean_object* x_26; 
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_26 = lean_ctor_get(x_23, 2);
+lean_inc(x_24);
 lean_inc(x_10);
-x_26 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_10, x_4);
-if (lean_obj_tag(x_26) == 0)
-{
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_ctor_get(x_26, 1);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 0);
-lean_inc(x_28);
-lean_dec(x_26);
-x_29 = !lean_is_exclusive(x_27);
-if (x_29 == 0)
-{
-lean_object* x_30; lean_object* x_31; 
-x_30 = lean_ctor_get(x_27, 2);
-lean_inc(x_28);
-lean_inc(x_10);
-x_31 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_30, x_10, x_28);
-lean_ctor_set(x_27, 2, x_31);
-x_14 = x_28;
-x_15 = x_27;
-goto block_21;
+x_27 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_26, x_10, x_24);
+lean_ctor_set(x_23, 2, x_27);
+x_28 = lean_unsigned_to_nat(1u);
+x_29 = lean_nat_add(x_2, x_28);
+x_30 = x_24;
+x_31 = lean_array_fset(x_13, x_2, x_30);
+lean_dec(x_2);
+x_2 = x_29;
+x_3 = x_31;
+x_4 = x_23;
+goto _start;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_32 = lean_ctor_get(x_27, 0);
-x_33 = lean_ctor_get(x_27, 1);
-x_34 = lean_ctor_get(x_27, 2);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_33 = lean_ctor_get(x_23, 0);
+x_34 = lean_ctor_get(x_23, 1);
+x_35 = lean_ctor_get(x_23, 2);
+lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_27);
-lean_inc(x_28);
+lean_dec(x_23);
+lean_inc(x_24);
 lean_inc(x_10);
-x_35 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_34, x_10, x_28);
-x_36 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_36, 0, x_32);
-lean_ctor_set(x_36, 1, x_33);
-lean_ctor_set(x_36, 2, x_35);
-x_14 = x_28;
-x_15 = x_36;
-goto block_21;
+x_36 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_35, x_10, x_24);
+x_37 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_37, 0, x_33);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_36);
+x_38 = lean_unsigned_to_nat(1u);
+x_39 = lean_nat_add(x_2, x_38);
+x_40 = x_24;
+x_41 = lean_array_fset(x_13, x_2, x_40);
+lean_dec(x_2);
+x_2 = x_39;
+x_3 = x_41;
+x_4 = x_37;
+goto _start;
 }
 }
 else
 {
-uint8_t x_37; 
+uint8_t x_43; 
 lean_dec(x_13);
 lean_dec(x_10);
 lean_dec(x_2);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
+x_43 = !lean_is_exclusive(x_22);
+if (x_43 == 0)
 {
-return x_26;
+return x_22;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_26, 0);
-x_39 = lean_ctor_get(x_26, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_26);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
-}
-}
-}
-else
-{
-lean_object* x_41; 
-x_41 = lean_ctor_get(x_25, 0);
-lean_inc(x_41);
-lean_dec(x_25);
-x_14 = x_41;
-x_15 = x_4;
-goto block_21;
-}
-}
-}
-else
-{
-lean_object* x_42; lean_object* x_43; 
-x_42 = lean_ctor_get(x_4, 2);
-lean_inc(x_42);
-x_43 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_42, x_10);
-lean_dec(x_42);
-if (lean_obj_tag(x_43) == 0)
-{
-lean_object* x_44; 
-lean_inc(x_10);
-x_44 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_10, x_4);
-if (lean_obj_tag(x_44) == 0)
-{
-lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_45 = lean_ctor_get(x_44, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_22, 0);
+x_45 = lean_ctor_get(x_22, 1);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_44, 0);
-lean_inc(x_46);
-lean_dec(x_44);
-x_47 = !lean_is_exclusive(x_45);
-if (x_47 == 0)
-{
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_45, 2);
-lean_inc(x_46);
-lean_inc(x_10);
-x_49 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_48, x_10, x_46);
-lean_ctor_set(x_45, 2, x_49);
-x_14 = x_46;
-x_15 = x_45;
-goto block_21;
+lean_inc(x_44);
+lean_dec(x_22);
+x_46 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+return x_46;
 }
-else
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_50 = lean_ctor_get(x_45, 0);
-x_51 = lean_ctor_get(x_45, 1);
-x_52 = lean_ctor_get(x_45, 2);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_inc(x_50);
-lean_dec(x_45);
-lean_inc(x_46);
-lean_inc(x_10);
-x_53 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_52, x_10, x_46);
-x_54 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_54, 0, x_50);
-lean_ctor_set(x_54, 1, x_51);
-lean_ctor_set(x_54, 2, x_53);
-x_14 = x_46;
-x_15 = x_54;
-goto block_21;
 }
 }
 else
 {
-uint8_t x_55; 
-lean_dec(x_13);
-lean_dec(x_10);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_47 = lean_ctor_get(x_21, 0);
+lean_inc(x_47);
+lean_dec(x_21);
+x_48 = lean_unsigned_to_nat(1u);
+x_49 = lean_nat_add(x_2, x_48);
+x_50 = x_47;
+x_51 = lean_array_fset(x_13, x_2, x_50);
 lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_44);
-if (x_55 == 0)
-{
-return x_44;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_44, 0);
-x_57 = lean_ctor_get(x_44, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_44);
-x_58 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_58, 0, x_56);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-}
-else
-{
-lean_object* x_59; 
-x_59 = lean_ctor_get(x_43, 0);
-lean_inc(x_59);
-lean_dec(x_43);
-x_14 = x_59;
-x_15 = x_4;
-goto block_21;
-}
-}
-block_21:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_unsigned_to_nat(1u);
-x_17 = lean_nat_add(x_2, x_16);
-x_18 = x_14;
-x_19 = lean_array_fset(x_13, x_2, x_18);
-lean_dec(x_2);
-x_2 = x_17;
-x_3 = x_19;
-x_4 = x_15;
+x_2 = x_49;
+x_3 = x_51;
 goto _start;
 }
 }
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+}
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
 case 0:
 {
 lean_object* x_5; lean_object* x_6; uint8_t x_21; 
-x_21 = lean_expr_has_expr_mvar(x_2);
+x_21 = l_Lean_Expr_hasMVar(x_2);
 if (x_21 == 0)
 {
-uint8_t x_22; 
-x_22 = lean_expr_has_level_mvar(x_2);
-if (x_22 == 0)
-{
 x_5 = x_2;
 x_6 = x_4;
 goto block_20;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_4, 2);
-lean_inc(x_23);
-x_24 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_23, x_2);
-lean_dec(x_23);
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_4, 2);
+lean_inc(x_22);
+x_23 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_22, x_2);
+lean_dec(x_22);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; 
+lean_inc(x_2);
+x_24 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_25; 
-lean_inc(x_2);
-x_25 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_26 = lean_ctor_get(x_25, 1);
+lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_25 = lean_ctor_get(x_24, 1);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 0);
 lean_inc(x_26);
-x_27 = lean_ctor_get(x_25, 0);
-lean_inc(x_27);
-lean_dec(x_25);
-x_28 = !lean_is_exclusive(x_26);
-if (x_28 == 0)
+lean_dec(x_24);
+x_27 = !lean_is_exclusive(x_25);
+if (x_27 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_26, 2);
-lean_inc(x_27);
-x_30 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_29, x_2, x_27);
-lean_ctor_set(x_26, 2, x_30);
-x_5 = x_27;
-x_6 = x_26;
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_25, 2);
+lean_inc(x_26);
+x_29 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_28, x_2, x_26);
+lean_ctor_set(x_25, 2, x_29);
+x_5 = x_26;
+x_6 = x_25;
 goto block_20;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_31 = lean_ctor_get(x_26, 0);
-x_32 = lean_ctor_get(x_26, 1);
-x_33 = lean_ctor_get(x_26, 2);
-lean_inc(x_33);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_30 = lean_ctor_get(x_25, 0);
+x_31 = lean_ctor_get(x_25, 1);
+x_32 = lean_ctor_get(x_25, 2);
 lean_inc(x_32);
 lean_inc(x_31);
-lean_dec(x_26);
-lean_inc(x_27);
-x_34 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_33, x_2, x_27);
-x_35 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_35, 0, x_31);
-lean_ctor_set(x_35, 1, x_32);
-lean_ctor_set(x_35, 2, x_34);
-x_5 = x_27;
-x_6 = x_35;
-goto block_20;
-}
-}
-else
-{
-uint8_t x_36; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_36 = !lean_is_exclusive(x_25);
-if (x_36 == 0)
-{
-return x_25;
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_25, 0);
-x_38 = lean_ctor_get(x_25, 1);
-lean_inc(x_38);
-lean_inc(x_37);
+lean_inc(x_30);
 lean_dec(x_25);
-x_39 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-return x_39;
-}
-}
-}
-else
-{
-lean_object* x_40; 
-lean_dec(x_2);
-x_40 = lean_ctor_get(x_24, 0);
-lean_inc(x_40);
-lean_dec(x_24);
-x_5 = x_40;
-x_6 = x_4;
-goto block_20;
-}
-}
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_4, 2);
-lean_inc(x_41);
-x_42 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_41, x_2);
-lean_dec(x_41);
-if (lean_obj_tag(x_42) == 0)
-{
-lean_object* x_43; 
-lean_inc(x_2);
-x_43 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_43) == 0)
-{
-lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_44 = lean_ctor_get(x_43, 1);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 0);
-lean_inc(x_45);
-lean_dec(x_43);
-x_46 = !lean_is_exclusive(x_44);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_44, 2);
-lean_inc(x_45);
-x_48 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_47, x_2, x_45);
-lean_ctor_set(x_44, 2, x_48);
-x_5 = x_45;
-x_6 = x_44;
-goto block_20;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_49 = lean_ctor_get(x_44, 0);
-x_50 = lean_ctor_get(x_44, 1);
-x_51 = lean_ctor_get(x_44, 2);
-lean_inc(x_51);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_44);
-lean_inc(x_45);
-x_52 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_51, x_2, x_45);
-x_53 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_53, 0, x_49);
-lean_ctor_set(x_53, 1, x_50);
-lean_ctor_set(x_53, 2, x_52);
-x_5 = x_45;
-x_6 = x_53;
+lean_inc(x_26);
+x_33 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_32, x_2, x_26);
+x_34 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_34, 0, x_30);
+lean_ctor_set(x_34, 1, x_31);
+lean_ctor_set(x_34, 2, x_33);
+x_5 = x_26;
+x_6 = x_34;
 goto block_20;
 }
 }
 else
 {
-uint8_t x_54; 
+uint8_t x_35; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_54 = !lean_is_exclusive(x_43);
-if (x_54 == 0)
+x_35 = !lean_is_exclusive(x_24);
+if (x_35 == 0)
 {
-return x_43;
+return x_24;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_43, 0);
-x_56 = lean_ctor_get(x_43, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_43);
-x_57 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_57, 0, x_55);
-lean_ctor_set(x_57, 1, x_56);
-return x_57;
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_24, 0);
+x_37 = lean_ctor_get(x_24, 1);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_24);
+x_38 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
 }
 }
 }
 else
 {
-lean_object* x_58; 
+lean_object* x_39; 
 lean_dec(x_2);
-x_58 = lean_ctor_get(x_42, 0);
-lean_inc(x_58);
-lean_dec(x_42);
-x_5 = x_58;
+x_39 = lean_ctor_get(x_23, 0);
+lean_inc(x_39);
+lean_dec(x_23);
+x_5 = x_39;
 x_6 = x_4;
 goto block_20;
 }
@@ -35078,250 +26982,85 @@ return x_19;
 }
 case 1:
 {
-lean_object* x_59; lean_object* x_60; uint8_t x_75; 
-x_75 = lean_expr_has_expr_mvar(x_2);
-if (x_75 == 0)
+lean_object* x_40; lean_object* x_41; uint8_t x_56; 
+x_56 = l_Lean_Expr_hasMVar(x_2);
+if (x_56 == 0)
 {
-uint8_t x_76; 
-x_76 = lean_expr_has_level_mvar(x_2);
-if (x_76 == 0)
-{
-x_59 = x_2;
-x_60 = x_4;
-goto block_74;
+x_40 = x_2;
+x_41 = x_4;
+goto block_55;
 }
 else
 {
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_4, 2);
-lean_inc(x_77);
-x_78 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_77, x_2);
-lean_dec(x_77);
-if (lean_obj_tag(x_78) == 0)
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_4, 2);
+lean_inc(x_57);
+x_58 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_57, x_2);
+lean_dec(x_57);
+if (lean_obj_tag(x_58) == 0)
 {
-lean_object* x_79; 
+lean_object* x_59; 
 lean_inc(x_2);
-x_79 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_79) == 0)
+x_59 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_59) == 0)
 {
-lean_object* x_80; lean_object* x_81; uint8_t x_82; 
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_79, 0);
-lean_inc(x_81);
-lean_dec(x_79);
-x_82 = !lean_is_exclusive(x_80);
-if (x_82 == 0)
+lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_60 = lean_ctor_get(x_59, 1);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_59, 0);
+lean_inc(x_61);
+lean_dec(x_59);
+x_62 = !lean_is_exclusive(x_60);
+if (x_62 == 0)
 {
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_80, 2);
-lean_inc(x_81);
-x_84 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_83, x_2, x_81);
-lean_ctor_set(x_80, 2, x_84);
-x_59 = x_81;
-x_60 = x_80;
-goto block_74;
+lean_object* x_63; lean_object* x_64; 
+x_63 = lean_ctor_get(x_60, 2);
+lean_inc(x_61);
+x_64 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_63, x_2, x_61);
+lean_ctor_set(x_60, 2, x_64);
+x_40 = x_61;
+x_41 = x_60;
+goto block_55;
 }
 else
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_85 = lean_ctor_get(x_80, 0);
-x_86 = lean_ctor_get(x_80, 1);
-x_87 = lean_ctor_get(x_80, 2);
-lean_inc(x_87);
-lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_80);
-lean_inc(x_81);
-x_88 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_87, x_2, x_81);
-x_89 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_89, 0, x_85);
-lean_ctor_set(x_89, 1, x_86);
-lean_ctor_set(x_89, 2, x_88);
-x_59 = x_81;
-x_60 = x_89;
-goto block_74;
-}
-}
-else
-{
-uint8_t x_90; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_90 = !lean_is_exclusive(x_79);
-if (x_90 == 0)
-{
-return x_79;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_91 = lean_ctor_get(x_79, 0);
-x_92 = lean_ctor_get(x_79, 1);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_79);
-x_93 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_93, 0, x_91);
-lean_ctor_set(x_93, 1, x_92);
-return x_93;
-}
-}
-}
-else
-{
-lean_object* x_94; 
-lean_dec(x_2);
-x_94 = lean_ctor_get(x_78, 0);
-lean_inc(x_94);
-lean_dec(x_78);
-x_59 = x_94;
-x_60 = x_4;
-goto block_74;
-}
-}
-}
-else
-{
-lean_object* x_95; lean_object* x_96; 
-x_95 = lean_ctor_get(x_4, 2);
-lean_inc(x_95);
-x_96 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_95, x_2);
-lean_dec(x_95);
-if (lean_obj_tag(x_96) == 0)
-{
-lean_object* x_97; 
-lean_inc(x_2);
-x_97 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_97) == 0)
-{
-lean_object* x_98; lean_object* x_99; uint8_t x_100; 
-x_98 = lean_ctor_get(x_97, 1);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_97, 0);
-lean_inc(x_99);
-lean_dec(x_97);
-x_100 = !lean_is_exclusive(x_98);
-if (x_100 == 0)
-{
-lean_object* x_101; lean_object* x_102; 
-x_101 = lean_ctor_get(x_98, 2);
-lean_inc(x_99);
-x_102 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_101, x_2, x_99);
-lean_ctor_set(x_98, 2, x_102);
-x_59 = x_99;
-x_60 = x_98;
-goto block_74;
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
-x_103 = lean_ctor_get(x_98, 0);
-x_104 = lean_ctor_get(x_98, 1);
-x_105 = lean_ctor_get(x_98, 2);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_inc(x_103);
-lean_dec(x_98);
-lean_inc(x_99);
-x_106 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_105, x_2, x_99);
-x_107 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_107, 0, x_103);
-lean_ctor_set(x_107, 1, x_104);
-lean_ctor_set(x_107, 2, x_106);
-x_59 = x_99;
-x_60 = x_107;
-goto block_74;
-}
-}
-else
-{
-uint8_t x_108; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_108 = !lean_is_exclusive(x_97);
-if (x_108 == 0)
-{
-return x_97;
-}
-else
-{
-lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_109 = lean_ctor_get(x_97, 0);
-x_110 = lean_ctor_get(x_97, 1);
-lean_inc(x_110);
-lean_inc(x_109);
-lean_dec(x_97);
-x_111 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_111, 0, x_109);
-lean_ctor_set(x_111, 1, x_110);
-return x_111;
-}
-}
-}
-else
-{
-lean_object* x_112; 
-lean_dec(x_2);
-x_112 = lean_ctor_get(x_96, 0);
-lean_inc(x_112);
-lean_dec(x_96);
-x_59 = x_112;
-x_60 = x_4;
-goto block_74;
-}
-}
-block_74:
-{
-lean_object* x_61; lean_object* x_62; 
-x_61 = lean_unsigned_to_nat(0u);
-x_62 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_61, x_3, x_60);
-if (lean_obj_tag(x_62) == 0)
-{
-uint8_t x_63; 
-x_63 = !lean_is_exclusive(x_62);
-if (x_63 == 0)
-{
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_62, 0);
-x_65 = l_Lean_mkAppRev(x_59, x_64);
-lean_dec(x_64);
-lean_ctor_set(x_62, 0, x_65);
-return x_62;
-}
-else
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_66 = lean_ctor_get(x_62, 0);
-x_67 = lean_ctor_get(x_62, 1);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_65 = lean_ctor_get(x_60, 0);
+x_66 = lean_ctor_get(x_60, 1);
+x_67 = lean_ctor_get(x_60, 2);
 lean_inc(x_67);
 lean_inc(x_66);
-lean_dec(x_62);
-x_68 = l_Lean_mkAppRev(x_59, x_66);
-lean_dec(x_66);
-x_69 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_69, 0, x_68);
-lean_ctor_set(x_69, 1, x_67);
-return x_69;
+lean_inc(x_65);
+lean_dec(x_60);
+lean_inc(x_61);
+x_68 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_67, x_2, x_61);
+x_69 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_69, 0, x_65);
+lean_ctor_set(x_69, 1, x_66);
+lean_ctor_set(x_69, 2, x_68);
+x_40 = x_61;
+x_41 = x_69;
+goto block_55;
 }
 }
 else
 {
 uint8_t x_70; 
-lean_dec(x_59);
-x_70 = !lean_is_exclusive(x_62);
+lean_dec(x_3);
+lean_dec(x_2);
+x_70 = !lean_is_exclusive(x_59);
 if (x_70 == 0)
 {
-return x_62;
+return x_59;
 }
 else
 {
 lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_71 = lean_ctor_get(x_62, 0);
-x_72 = lean_ctor_get(x_62, 1);
+x_71 = lean_ctor_get(x_59, 0);
+x_72 = lean_ctor_get(x_59, 1);
 lean_inc(x_72);
 lean_inc(x_71);
-lean_dec(x_62);
+lean_dec(x_59);
 x_73 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_73, 0, x_71);
 lean_ctor_set(x_73, 1, x_72);
@@ -35329,2302 +27068,1676 @@ return x_73;
 }
 }
 }
+else
+{
+lean_object* x_74; 
+lean_dec(x_2);
+x_74 = lean_ctor_get(x_58, 0);
+lean_inc(x_74);
+lean_dec(x_58);
+x_40 = x_74;
+x_41 = x_4;
+goto block_55;
+}
+}
+block_55:
+{
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_42, x_3, x_41);
+if (lean_obj_tag(x_43) == 0)
+{
+uint8_t x_44; 
+x_44 = !lean_is_exclusive(x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; 
+x_45 = lean_ctor_get(x_43, 0);
+x_46 = l_Lean_mkAppRev(x_40, x_45);
+lean_dec(x_45);
+lean_ctor_set(x_43, 0, x_46);
+return x_43;
+}
+else
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_47 = lean_ctor_get(x_43, 0);
+x_48 = lean_ctor_get(x_43, 1);
+lean_inc(x_48);
+lean_inc(x_47);
+lean_dec(x_43);
+x_49 = l_Lean_mkAppRev(x_40, x_47);
+lean_dec(x_47);
+x_50 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_50, 0, x_49);
+lean_ctor_set(x_50, 1, x_48);
+return x_50;
+}
+}
+else
+{
+uint8_t x_51; 
+lean_dec(x_40);
+x_51 = !lean_is_exclusive(x_43);
+if (x_51 == 0)
+{
+return x_43;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_43, 0);
+x_53 = lean_ctor_get(x_43, 1);
+lean_inc(x_53);
+lean_inc(x_52);
+lean_dec(x_43);
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
+}
+}
+}
 }
 case 2:
 {
-lean_object* x_113; lean_object* x_114; uint8_t x_129; 
-x_129 = lean_expr_has_expr_mvar(x_2);
-if (x_129 == 0)
+lean_object* x_75; lean_object* x_76; uint8_t x_91; 
+x_91 = l_Lean_Expr_hasMVar(x_2);
+if (x_91 == 0)
 {
-uint8_t x_130; 
-x_130 = lean_expr_has_level_mvar(x_2);
-if (x_130 == 0)
-{
-x_113 = x_2;
-x_114 = x_4;
-goto block_128;
+x_75 = x_2;
+x_76 = x_4;
+goto block_90;
 }
 else
 {
-lean_object* x_131; lean_object* x_132; 
-x_131 = lean_ctor_get(x_4, 2);
-lean_inc(x_131);
-x_132 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_131, x_2);
-lean_dec(x_131);
-if (lean_obj_tag(x_132) == 0)
+lean_object* x_92; lean_object* x_93; 
+x_92 = lean_ctor_get(x_4, 2);
+lean_inc(x_92);
+x_93 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_92, x_2);
+lean_dec(x_92);
+if (lean_obj_tag(x_93) == 0)
 {
-lean_object* x_133; 
+lean_object* x_94; 
 lean_inc(x_2);
-x_133 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_133) == 0)
+x_94 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_94) == 0)
 {
-lean_object* x_134; lean_object* x_135; uint8_t x_136; 
-x_134 = lean_ctor_get(x_133, 1);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_133, 0);
-lean_inc(x_135);
-lean_dec(x_133);
-x_136 = !lean_is_exclusive(x_134);
-if (x_136 == 0)
+lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 0);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = !lean_is_exclusive(x_95);
+if (x_97 == 0)
 {
-lean_object* x_137; lean_object* x_138; 
-x_137 = lean_ctor_get(x_134, 2);
-lean_inc(x_135);
-x_138 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_137, x_2, x_135);
-lean_ctor_set(x_134, 2, x_138);
-x_113 = x_135;
-x_114 = x_134;
-goto block_128;
+lean_object* x_98; lean_object* x_99; 
+x_98 = lean_ctor_get(x_95, 2);
+lean_inc(x_96);
+x_99 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_98, x_2, x_96);
+lean_ctor_set(x_95, 2, x_99);
+x_75 = x_96;
+x_76 = x_95;
+goto block_90;
 }
 else
 {
-lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-x_139 = lean_ctor_get(x_134, 0);
-x_140 = lean_ctor_get(x_134, 1);
-x_141 = lean_ctor_get(x_134, 2);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_inc(x_139);
-lean_dec(x_134);
-lean_inc(x_135);
-x_142 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_141, x_2, x_135);
-x_143 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_143, 0, x_139);
-lean_ctor_set(x_143, 1, x_140);
-lean_ctor_set(x_143, 2, x_142);
-x_113 = x_135;
-x_114 = x_143;
-goto block_128;
+lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_100 = lean_ctor_get(x_95, 0);
+x_101 = lean_ctor_get(x_95, 1);
+x_102 = lean_ctor_get(x_95, 2);
+lean_inc(x_102);
+lean_inc(x_101);
+lean_inc(x_100);
+lean_dec(x_95);
+lean_inc(x_96);
+x_103 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_102, x_2, x_96);
+x_104 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_104, 0, x_100);
+lean_ctor_set(x_104, 1, x_101);
+lean_ctor_set(x_104, 2, x_103);
+x_75 = x_96;
+x_76 = x_104;
+goto block_90;
 }
 }
 else
 {
-uint8_t x_144; 
+uint8_t x_105; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_144 = !lean_is_exclusive(x_133);
-if (x_144 == 0)
+x_105 = !lean_is_exclusive(x_94);
+if (x_105 == 0)
 {
-return x_133;
+return x_94;
 }
 else
 {
-lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_145 = lean_ctor_get(x_133, 0);
-x_146 = lean_ctor_get(x_133, 1);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_dec(x_133);
-x_147 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_147, 0, x_145);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
+lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+x_106 = lean_ctor_get(x_94, 0);
+x_107 = lean_ctor_get(x_94, 1);
+lean_inc(x_107);
+lean_inc(x_106);
+lean_dec(x_94);
+x_108 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_108, 0, x_106);
+lean_ctor_set(x_108, 1, x_107);
+return x_108;
 }
 }
 }
 else
 {
-lean_object* x_148; 
+lean_object* x_109; 
 lean_dec(x_2);
-x_148 = lean_ctor_get(x_132, 0);
-lean_inc(x_148);
-lean_dec(x_132);
-x_113 = x_148;
-x_114 = x_4;
-goto block_128;
+x_109 = lean_ctor_get(x_93, 0);
+lean_inc(x_109);
+lean_dec(x_93);
+x_75 = x_109;
+x_76 = x_4;
+goto block_90;
 }
 }
+block_90:
+{
+lean_object* x_77; lean_object* x_78; 
+x_77 = lean_unsigned_to_nat(0u);
+x_78 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_77, x_3, x_76);
+if (lean_obj_tag(x_78) == 0)
+{
+uint8_t x_79; 
+x_79 = !lean_is_exclusive(x_78);
+if (x_79 == 0)
+{
+lean_object* x_80; lean_object* x_81; 
+x_80 = lean_ctor_get(x_78, 0);
+x_81 = l_Lean_mkAppRev(x_75, x_80);
+lean_dec(x_80);
+lean_ctor_set(x_78, 0, x_81);
+return x_78;
+}
+else
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_82 = lean_ctor_get(x_78, 0);
+x_83 = lean_ctor_get(x_78, 1);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_78);
+x_84 = l_Lean_mkAppRev(x_75, x_82);
+lean_dec(x_82);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
+}
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = lean_ctor_get(x_4, 2);
-lean_inc(x_149);
-x_150 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_149, x_2);
-lean_dec(x_149);
-if (lean_obj_tag(x_150) == 0)
+uint8_t x_86; 
+lean_dec(x_75);
+x_86 = !lean_is_exclusive(x_78);
+if (x_86 == 0)
 {
-lean_object* x_151; 
-lean_inc(x_2);
-x_151 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_151) == 0)
-{
-lean_object* x_152; lean_object* x_153; uint8_t x_154; 
-x_152 = lean_ctor_get(x_151, 1);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_151, 0);
-lean_inc(x_153);
-lean_dec(x_151);
-x_154 = !lean_is_exclusive(x_152);
-if (x_154 == 0)
-{
-lean_object* x_155; lean_object* x_156; 
-x_155 = lean_ctor_get(x_152, 2);
-lean_inc(x_153);
-x_156 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_155, x_2, x_153);
-lean_ctor_set(x_152, 2, x_156);
-x_113 = x_153;
-x_114 = x_152;
-goto block_128;
+return x_78;
 }
 else
 {
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-x_157 = lean_ctor_get(x_152, 0);
-x_158 = lean_ctor_get(x_152, 1);
-x_159 = lean_ctor_get(x_152, 2);
-lean_inc(x_159);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_dec(x_152);
-lean_inc(x_153);
-x_160 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_159, x_2, x_153);
-x_161 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_161, 0, x_157);
-lean_ctor_set(x_161, 1, x_158);
-lean_ctor_set(x_161, 2, x_160);
-x_113 = x_153;
-x_114 = x_161;
-goto block_128;
-}
-}
-else
-{
-uint8_t x_162; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_162 = !lean_is_exclusive(x_151);
-if (x_162 == 0)
-{
-return x_151;
-}
-else
-{
-lean_object* x_163; lean_object* x_164; lean_object* x_165; 
-x_163 = lean_ctor_get(x_151, 0);
-x_164 = lean_ctor_get(x_151, 1);
-lean_inc(x_164);
-lean_inc(x_163);
-lean_dec(x_151);
-x_165 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_165, 0, x_163);
-lean_ctor_set(x_165, 1, x_164);
-return x_165;
-}
-}
-}
-else
-{
-lean_object* x_166; 
-lean_dec(x_2);
-x_166 = lean_ctor_get(x_150, 0);
-lean_inc(x_166);
-lean_dec(x_150);
-x_113 = x_166;
-x_114 = x_4;
-goto block_128;
-}
-}
-block_128:
-{
-lean_object* x_115; lean_object* x_116; 
-x_115 = lean_unsigned_to_nat(0u);
-x_116 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_115, x_3, x_114);
-if (lean_obj_tag(x_116) == 0)
-{
-uint8_t x_117; 
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; lean_object* x_119; 
-x_118 = lean_ctor_get(x_116, 0);
-x_119 = l_Lean_mkAppRev(x_113, x_118);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_119);
-return x_116;
-}
-else
-{
-lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-x_120 = lean_ctor_get(x_116, 0);
-x_121 = lean_ctor_get(x_116, 1);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_dec(x_116);
-x_122 = l_Lean_mkAppRev(x_113, x_120);
-lean_dec(x_120);
-x_123 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_123, 0, x_122);
-lean_ctor_set(x_123, 1, x_121);
-return x_123;
-}
-}
-else
-{
-uint8_t x_124; 
-lean_dec(x_113);
-x_124 = !lean_is_exclusive(x_116);
-if (x_124 == 0)
-{
-return x_116;
-}
-else
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_125 = lean_ctor_get(x_116, 0);
-x_126 = lean_ctor_get(x_116, 1);
-lean_inc(x_126);
-lean_inc(x_125);
-lean_dec(x_116);
-x_127 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_127, 0, x_125);
-lean_ctor_set(x_127, 1, x_126);
-return x_127;
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_87 = lean_ctor_get(x_78, 0);
+x_88 = lean_ctor_get(x_78, 1);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_dec(x_78);
+x_89 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+return x_89;
 }
 }
 }
 }
 case 3:
 {
-lean_object* x_167; lean_object* x_168; uint8_t x_183; 
-x_183 = lean_expr_has_expr_mvar(x_2);
-if (x_183 == 0)
+lean_object* x_110; lean_object* x_111; uint8_t x_126; 
+x_126 = l_Lean_Expr_hasMVar(x_2);
+if (x_126 == 0)
 {
-uint8_t x_184; 
-x_184 = lean_expr_has_level_mvar(x_2);
-if (x_184 == 0)
-{
-x_167 = x_2;
-x_168 = x_4;
-goto block_182;
+x_110 = x_2;
+x_111 = x_4;
+goto block_125;
 }
 else
 {
-lean_object* x_185; lean_object* x_186; 
-x_185 = lean_ctor_get(x_4, 2);
-lean_inc(x_185);
-x_186 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_185, x_2);
-lean_dec(x_185);
-if (lean_obj_tag(x_186) == 0)
+lean_object* x_127; lean_object* x_128; 
+x_127 = lean_ctor_get(x_4, 2);
+lean_inc(x_127);
+x_128 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_127, x_2);
+lean_dec(x_127);
+if (lean_obj_tag(x_128) == 0)
 {
-lean_object* x_187; 
+lean_object* x_129; 
 lean_inc(x_2);
-x_187 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_187) == 0)
+x_129 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_129) == 0)
 {
-lean_object* x_188; lean_object* x_189; uint8_t x_190; 
-x_188 = lean_ctor_get(x_187, 1);
-lean_inc(x_188);
-x_189 = lean_ctor_get(x_187, 0);
-lean_inc(x_189);
-lean_dec(x_187);
-x_190 = !lean_is_exclusive(x_188);
-if (x_190 == 0)
+lean_object* x_130; lean_object* x_131; uint8_t x_132; 
+x_130 = lean_ctor_get(x_129, 1);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_129, 0);
+lean_inc(x_131);
+lean_dec(x_129);
+x_132 = !lean_is_exclusive(x_130);
+if (x_132 == 0)
 {
-lean_object* x_191; lean_object* x_192; 
-x_191 = lean_ctor_get(x_188, 2);
-lean_inc(x_189);
-x_192 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_191, x_2, x_189);
-lean_ctor_set(x_188, 2, x_192);
-x_167 = x_189;
-x_168 = x_188;
-goto block_182;
+lean_object* x_133; lean_object* x_134; 
+x_133 = lean_ctor_get(x_130, 2);
+lean_inc(x_131);
+x_134 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_133, x_2, x_131);
+lean_ctor_set(x_130, 2, x_134);
+x_110 = x_131;
+x_111 = x_130;
+goto block_125;
 }
 else
 {
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_193 = lean_ctor_get(x_188, 0);
-x_194 = lean_ctor_get(x_188, 1);
-x_195 = lean_ctor_get(x_188, 2);
-lean_inc(x_195);
-lean_inc(x_194);
-lean_inc(x_193);
-lean_dec(x_188);
-lean_inc(x_189);
-x_196 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_195, x_2, x_189);
-x_197 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_197, 0, x_193);
-lean_ctor_set(x_197, 1, x_194);
-lean_ctor_set(x_197, 2, x_196);
-x_167 = x_189;
-x_168 = x_197;
-goto block_182;
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_135 = lean_ctor_get(x_130, 0);
+x_136 = lean_ctor_get(x_130, 1);
+x_137 = lean_ctor_get(x_130, 2);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_130);
+lean_inc(x_131);
+x_138 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_137, x_2, x_131);
+x_139 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_139, 0, x_135);
+lean_ctor_set(x_139, 1, x_136);
+lean_ctor_set(x_139, 2, x_138);
+x_110 = x_131;
+x_111 = x_139;
+goto block_125;
 }
 }
 else
 {
-uint8_t x_198; 
+uint8_t x_140; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_198 = !lean_is_exclusive(x_187);
-if (x_198 == 0)
+x_140 = !lean_is_exclusive(x_129);
+if (x_140 == 0)
 {
-return x_187;
+return x_129;
 }
 else
 {
-lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_199 = lean_ctor_get(x_187, 0);
-x_200 = lean_ctor_get(x_187, 1);
-lean_inc(x_200);
-lean_inc(x_199);
-lean_dec(x_187);
-x_201 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_201, 0, x_199);
-lean_ctor_set(x_201, 1, x_200);
-return x_201;
+lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+x_141 = lean_ctor_get(x_129, 0);
+x_142 = lean_ctor_get(x_129, 1);
+lean_inc(x_142);
+lean_inc(x_141);
+lean_dec(x_129);
+x_143 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_143, 0, x_141);
+lean_ctor_set(x_143, 1, x_142);
+return x_143;
 }
 }
 }
 else
 {
-lean_object* x_202; 
+lean_object* x_144; 
 lean_dec(x_2);
-x_202 = lean_ctor_get(x_186, 0);
-lean_inc(x_202);
-lean_dec(x_186);
-x_167 = x_202;
-x_168 = x_4;
-goto block_182;
+x_144 = lean_ctor_get(x_128, 0);
+lean_inc(x_144);
+lean_dec(x_128);
+x_110 = x_144;
+x_111 = x_4;
+goto block_125;
 }
 }
+block_125:
+{
+lean_object* x_112; lean_object* x_113; 
+x_112 = lean_unsigned_to_nat(0u);
+x_113 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_112, x_3, x_111);
+if (lean_obj_tag(x_113) == 0)
+{
+uint8_t x_114; 
+x_114 = !lean_is_exclusive(x_113);
+if (x_114 == 0)
+{
+lean_object* x_115; lean_object* x_116; 
+x_115 = lean_ctor_get(x_113, 0);
+x_116 = l_Lean_mkAppRev(x_110, x_115);
+lean_dec(x_115);
+lean_ctor_set(x_113, 0, x_116);
+return x_113;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_117 = lean_ctor_get(x_113, 0);
+x_118 = lean_ctor_get(x_113, 1);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_113);
+x_119 = l_Lean_mkAppRev(x_110, x_117);
+lean_dec(x_117);
+x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_120, 0, x_119);
+lean_ctor_set(x_120, 1, x_118);
+return x_120;
+}
 }
 else
 {
-lean_object* x_203; lean_object* x_204; 
-x_203 = lean_ctor_get(x_4, 2);
-lean_inc(x_203);
-x_204 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_203, x_2);
-lean_dec(x_203);
-if (lean_obj_tag(x_204) == 0)
+uint8_t x_121; 
+lean_dec(x_110);
+x_121 = !lean_is_exclusive(x_113);
+if (x_121 == 0)
 {
-lean_object* x_205; 
-lean_inc(x_2);
-x_205 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_205) == 0)
-{
-lean_object* x_206; lean_object* x_207; uint8_t x_208; 
-x_206 = lean_ctor_get(x_205, 1);
-lean_inc(x_206);
-x_207 = lean_ctor_get(x_205, 0);
-lean_inc(x_207);
-lean_dec(x_205);
-x_208 = !lean_is_exclusive(x_206);
-if (x_208 == 0)
-{
-lean_object* x_209; lean_object* x_210; 
-x_209 = lean_ctor_get(x_206, 2);
-lean_inc(x_207);
-x_210 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_209, x_2, x_207);
-lean_ctor_set(x_206, 2, x_210);
-x_167 = x_207;
-x_168 = x_206;
-goto block_182;
+return x_113;
 }
 else
 {
-lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; 
-x_211 = lean_ctor_get(x_206, 0);
-x_212 = lean_ctor_get(x_206, 1);
-x_213 = lean_ctor_get(x_206, 2);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_inc(x_211);
-lean_dec(x_206);
-lean_inc(x_207);
-x_214 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_213, x_2, x_207);
-x_215 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_215, 0, x_211);
-lean_ctor_set(x_215, 1, x_212);
-lean_ctor_set(x_215, 2, x_214);
-x_167 = x_207;
-x_168 = x_215;
-goto block_182;
-}
-}
-else
-{
-uint8_t x_216; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_216 = !lean_is_exclusive(x_205);
-if (x_216 == 0)
-{
-return x_205;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; lean_object* x_219; 
-x_217 = lean_ctor_get(x_205, 0);
-x_218 = lean_ctor_get(x_205, 1);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_dec(x_205);
-x_219 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_219, 0, x_217);
-lean_ctor_set(x_219, 1, x_218);
-return x_219;
-}
-}
-}
-else
-{
-lean_object* x_220; 
-lean_dec(x_2);
-x_220 = lean_ctor_get(x_204, 0);
-lean_inc(x_220);
-lean_dec(x_204);
-x_167 = x_220;
-x_168 = x_4;
-goto block_182;
-}
-}
-block_182:
-{
-lean_object* x_169; lean_object* x_170; 
-x_169 = lean_unsigned_to_nat(0u);
-x_170 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_169, x_3, x_168);
-if (lean_obj_tag(x_170) == 0)
-{
-uint8_t x_171; 
-x_171 = !lean_is_exclusive(x_170);
-if (x_171 == 0)
-{
-lean_object* x_172; lean_object* x_173; 
-x_172 = lean_ctor_get(x_170, 0);
-x_173 = l_Lean_mkAppRev(x_167, x_172);
-lean_dec(x_172);
-lean_ctor_set(x_170, 0, x_173);
-return x_170;
-}
-else
-{
-lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_174 = lean_ctor_get(x_170, 0);
-x_175 = lean_ctor_get(x_170, 1);
-lean_inc(x_175);
-lean_inc(x_174);
-lean_dec(x_170);
-x_176 = l_Lean_mkAppRev(x_167, x_174);
-lean_dec(x_174);
-x_177 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_177, 0, x_176);
-lean_ctor_set(x_177, 1, x_175);
-return x_177;
-}
-}
-else
-{
-uint8_t x_178; 
-lean_dec(x_167);
-x_178 = !lean_is_exclusive(x_170);
-if (x_178 == 0)
-{
-return x_170;
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_179 = lean_ctor_get(x_170, 0);
-x_180 = lean_ctor_get(x_170, 1);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_170);
-x_181 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_181, 0, x_179);
-lean_ctor_set(x_181, 1, x_180);
-return x_181;
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_113, 0);
+x_123 = lean_ctor_get(x_113, 1);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_113);
+x_124 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_124, 0, x_122);
+lean_ctor_set(x_124, 1, x_123);
+return x_124;
 }
 }
 }
 }
 case 4:
 {
-lean_object* x_221; lean_object* x_222; uint8_t x_237; 
-x_237 = lean_expr_has_expr_mvar(x_2);
-if (x_237 == 0)
+lean_object* x_145; lean_object* x_146; uint8_t x_161; 
+x_161 = l_Lean_Expr_hasMVar(x_2);
+if (x_161 == 0)
 {
-uint8_t x_238; 
-x_238 = lean_expr_has_level_mvar(x_2);
-if (x_238 == 0)
-{
-x_221 = x_2;
-x_222 = x_4;
-goto block_236;
+x_145 = x_2;
+x_146 = x_4;
+goto block_160;
 }
 else
 {
-lean_object* x_239; lean_object* x_240; 
-x_239 = lean_ctor_get(x_4, 2);
-lean_inc(x_239);
-x_240 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_239, x_2);
-lean_dec(x_239);
-if (lean_obj_tag(x_240) == 0)
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_4, 2);
+lean_inc(x_162);
+x_163 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_162, x_2);
+lean_dec(x_162);
+if (lean_obj_tag(x_163) == 0)
 {
-lean_object* x_241; 
+lean_object* x_164; 
 lean_inc(x_2);
-x_241 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_241) == 0)
+x_164 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_164) == 0)
 {
-lean_object* x_242; lean_object* x_243; uint8_t x_244; 
-x_242 = lean_ctor_get(x_241, 1);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_241, 0);
-lean_inc(x_243);
-lean_dec(x_241);
-x_244 = !lean_is_exclusive(x_242);
-if (x_244 == 0)
+lean_object* x_165; lean_object* x_166; uint8_t x_167; 
+x_165 = lean_ctor_get(x_164, 1);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_164, 0);
+lean_inc(x_166);
+lean_dec(x_164);
+x_167 = !lean_is_exclusive(x_165);
+if (x_167 == 0)
 {
-lean_object* x_245; lean_object* x_246; 
-x_245 = lean_ctor_get(x_242, 2);
-lean_inc(x_243);
-x_246 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_245, x_2, x_243);
-lean_ctor_set(x_242, 2, x_246);
-x_221 = x_243;
-x_222 = x_242;
-goto block_236;
+lean_object* x_168; lean_object* x_169; 
+x_168 = lean_ctor_get(x_165, 2);
+lean_inc(x_166);
+x_169 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_168, x_2, x_166);
+lean_ctor_set(x_165, 2, x_169);
+x_145 = x_166;
+x_146 = x_165;
+goto block_160;
 }
 else
 {
-lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; 
-x_247 = lean_ctor_get(x_242, 0);
-x_248 = lean_ctor_get(x_242, 1);
-x_249 = lean_ctor_get(x_242, 2);
-lean_inc(x_249);
-lean_inc(x_248);
-lean_inc(x_247);
-lean_dec(x_242);
-lean_inc(x_243);
-x_250 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_249, x_2, x_243);
-x_251 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_251, 0, x_247);
-lean_ctor_set(x_251, 1, x_248);
-lean_ctor_set(x_251, 2, x_250);
-x_221 = x_243;
-x_222 = x_251;
-goto block_236;
+lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_170 = lean_ctor_get(x_165, 0);
+x_171 = lean_ctor_get(x_165, 1);
+x_172 = lean_ctor_get(x_165, 2);
+lean_inc(x_172);
+lean_inc(x_171);
+lean_inc(x_170);
+lean_dec(x_165);
+lean_inc(x_166);
+x_173 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_172, x_2, x_166);
+x_174 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_174, 0, x_170);
+lean_ctor_set(x_174, 1, x_171);
+lean_ctor_set(x_174, 2, x_173);
+x_145 = x_166;
+x_146 = x_174;
+goto block_160;
 }
 }
 else
 {
-uint8_t x_252; 
+uint8_t x_175; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_252 = !lean_is_exclusive(x_241);
-if (x_252 == 0)
+x_175 = !lean_is_exclusive(x_164);
+if (x_175 == 0)
 {
-return x_241;
+return x_164;
 }
 else
 {
-lean_object* x_253; lean_object* x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_241, 0);
-x_254 = lean_ctor_get(x_241, 1);
-lean_inc(x_254);
-lean_inc(x_253);
-lean_dec(x_241);
-x_255 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_255, 0, x_253);
-lean_ctor_set(x_255, 1, x_254);
-return x_255;
+lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_176 = lean_ctor_get(x_164, 0);
+x_177 = lean_ctor_get(x_164, 1);
+lean_inc(x_177);
+lean_inc(x_176);
+lean_dec(x_164);
+x_178 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_178, 0, x_176);
+lean_ctor_set(x_178, 1, x_177);
+return x_178;
 }
 }
 }
 else
 {
-lean_object* x_256; 
+lean_object* x_179; 
 lean_dec(x_2);
-x_256 = lean_ctor_get(x_240, 0);
-lean_inc(x_256);
-lean_dec(x_240);
-x_221 = x_256;
-x_222 = x_4;
-goto block_236;
+x_179 = lean_ctor_get(x_163, 0);
+lean_inc(x_179);
+lean_dec(x_163);
+x_145 = x_179;
+x_146 = x_4;
+goto block_160;
 }
 }
+block_160:
+{
+lean_object* x_147; lean_object* x_148; 
+x_147 = lean_unsigned_to_nat(0u);
+x_148 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_147, x_3, x_146);
+if (lean_obj_tag(x_148) == 0)
+{
+uint8_t x_149; 
+x_149 = !lean_is_exclusive(x_148);
+if (x_149 == 0)
+{
+lean_object* x_150; lean_object* x_151; 
+x_150 = lean_ctor_get(x_148, 0);
+x_151 = l_Lean_mkAppRev(x_145, x_150);
+lean_dec(x_150);
+lean_ctor_set(x_148, 0, x_151);
+return x_148;
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_152 = lean_ctor_get(x_148, 0);
+x_153 = lean_ctor_get(x_148, 1);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_dec(x_148);
+x_154 = l_Lean_mkAppRev(x_145, x_152);
+lean_dec(x_152);
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_154);
+lean_ctor_set(x_155, 1, x_153);
+return x_155;
+}
 }
 else
 {
-lean_object* x_257; lean_object* x_258; 
-x_257 = lean_ctor_get(x_4, 2);
-lean_inc(x_257);
-x_258 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_257, x_2);
-lean_dec(x_257);
-if (lean_obj_tag(x_258) == 0)
+uint8_t x_156; 
+lean_dec(x_145);
+x_156 = !lean_is_exclusive(x_148);
+if (x_156 == 0)
 {
-lean_object* x_259; 
-lean_inc(x_2);
-x_259 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_259) == 0)
-{
-lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_260 = lean_ctor_get(x_259, 1);
-lean_inc(x_260);
-x_261 = lean_ctor_get(x_259, 0);
-lean_inc(x_261);
-lean_dec(x_259);
-x_262 = !lean_is_exclusive(x_260);
-if (x_262 == 0)
-{
-lean_object* x_263; lean_object* x_264; 
-x_263 = lean_ctor_get(x_260, 2);
-lean_inc(x_261);
-x_264 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_263, x_2, x_261);
-lean_ctor_set(x_260, 2, x_264);
-x_221 = x_261;
-x_222 = x_260;
-goto block_236;
+return x_148;
 }
 else
 {
-lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; 
-x_265 = lean_ctor_get(x_260, 0);
-x_266 = lean_ctor_get(x_260, 1);
-x_267 = lean_ctor_get(x_260, 2);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_inc(x_265);
-lean_dec(x_260);
-lean_inc(x_261);
-x_268 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_267, x_2, x_261);
-x_269 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_269, 0, x_265);
-lean_ctor_set(x_269, 1, x_266);
-lean_ctor_set(x_269, 2, x_268);
-x_221 = x_261;
-x_222 = x_269;
-goto block_236;
-}
-}
-else
-{
-uint8_t x_270; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_270 = !lean_is_exclusive(x_259);
-if (x_270 == 0)
-{
-return x_259;
-}
-else
-{
-lean_object* x_271; lean_object* x_272; lean_object* x_273; 
-x_271 = lean_ctor_get(x_259, 0);
-x_272 = lean_ctor_get(x_259, 1);
-lean_inc(x_272);
-lean_inc(x_271);
-lean_dec(x_259);
-x_273 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_273, 0, x_271);
-lean_ctor_set(x_273, 1, x_272);
-return x_273;
-}
-}
-}
-else
-{
-lean_object* x_274; 
-lean_dec(x_2);
-x_274 = lean_ctor_get(x_258, 0);
-lean_inc(x_274);
-lean_dec(x_258);
-x_221 = x_274;
-x_222 = x_4;
-goto block_236;
-}
-}
-block_236:
-{
-lean_object* x_223; lean_object* x_224; 
-x_223 = lean_unsigned_to_nat(0u);
-x_224 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_223, x_3, x_222);
-if (lean_obj_tag(x_224) == 0)
-{
-uint8_t x_225; 
-x_225 = !lean_is_exclusive(x_224);
-if (x_225 == 0)
-{
-lean_object* x_226; lean_object* x_227; 
-x_226 = lean_ctor_get(x_224, 0);
-x_227 = l_Lean_mkAppRev(x_221, x_226);
-lean_dec(x_226);
-lean_ctor_set(x_224, 0, x_227);
-return x_224;
-}
-else
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
-x_228 = lean_ctor_get(x_224, 0);
-x_229 = lean_ctor_get(x_224, 1);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_dec(x_224);
-x_230 = l_Lean_mkAppRev(x_221, x_228);
-lean_dec(x_228);
-x_231 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_231, 0, x_230);
-lean_ctor_set(x_231, 1, x_229);
-return x_231;
-}
-}
-else
-{
-uint8_t x_232; 
-lean_dec(x_221);
-x_232 = !lean_is_exclusive(x_224);
-if (x_232 == 0)
-{
-return x_224;
-}
-else
-{
-lean_object* x_233; lean_object* x_234; lean_object* x_235; 
-x_233 = lean_ctor_get(x_224, 0);
-x_234 = lean_ctor_get(x_224, 1);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_dec(x_224);
-x_235 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_235, 0, x_233);
-lean_ctor_set(x_235, 1, x_234);
-return x_235;
+lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_157 = lean_ctor_get(x_148, 0);
+x_158 = lean_ctor_get(x_148, 1);
+lean_inc(x_158);
+lean_inc(x_157);
+lean_dec(x_148);
+x_159 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_159, 0, x_157);
+lean_ctor_set(x_159, 1, x_158);
+return x_159;
 }
 }
 }
 }
 case 5:
 {
-lean_object* x_275; lean_object* x_276; lean_object* x_277; 
-x_275 = lean_ctor_get(x_2, 0);
-lean_inc(x_275);
-x_276 = lean_ctor_get(x_2, 1);
-lean_inc(x_276);
+lean_object* x_180; lean_object* x_181; lean_object* x_182; 
+x_180 = lean_ctor_get(x_2, 0);
+lean_inc(x_180);
+x_181 = lean_ctor_get(x_2, 1);
+lean_inc(x_181);
 lean_dec(x_2);
-x_277 = lean_array_push(x_3, x_276);
-x_2 = x_275;
-x_3 = x_277;
+x_182 = lean_array_push(x_3, x_181);
+x_2 = x_180;
+x_3 = x_182;
 goto _start;
 }
 case 6:
 {
-lean_object* x_279; lean_object* x_280; uint8_t x_295; 
-x_295 = lean_expr_has_expr_mvar(x_2);
-if (x_295 == 0)
+lean_object* x_184; lean_object* x_185; uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_2);
+if (x_200 == 0)
 {
-uint8_t x_296; 
-x_296 = lean_expr_has_level_mvar(x_2);
-if (x_296 == 0)
-{
-x_279 = x_2;
-x_280 = x_4;
-goto block_294;
+x_184 = x_2;
+x_185 = x_4;
+goto block_199;
 }
 else
 {
-lean_object* x_297; lean_object* x_298; 
-x_297 = lean_ctor_get(x_4, 2);
-lean_inc(x_297);
-x_298 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_297, x_2);
-lean_dec(x_297);
-if (lean_obj_tag(x_298) == 0)
+lean_object* x_201; lean_object* x_202; 
+x_201 = lean_ctor_get(x_4, 2);
+lean_inc(x_201);
+x_202 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_201, x_2);
+lean_dec(x_201);
+if (lean_obj_tag(x_202) == 0)
 {
-lean_object* x_299; 
+lean_object* x_203; 
 lean_inc(x_2);
-x_299 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_299) == 0)
+x_203 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_203) == 0)
 {
-lean_object* x_300; lean_object* x_301; uint8_t x_302; 
-x_300 = lean_ctor_get(x_299, 1);
-lean_inc(x_300);
-x_301 = lean_ctor_get(x_299, 0);
-lean_inc(x_301);
-lean_dec(x_299);
-x_302 = !lean_is_exclusive(x_300);
-if (x_302 == 0)
+lean_object* x_204; lean_object* x_205; uint8_t x_206; 
+x_204 = lean_ctor_get(x_203, 1);
+lean_inc(x_204);
+x_205 = lean_ctor_get(x_203, 0);
+lean_inc(x_205);
+lean_dec(x_203);
+x_206 = !lean_is_exclusive(x_204);
+if (x_206 == 0)
 {
-lean_object* x_303; lean_object* x_304; 
-x_303 = lean_ctor_get(x_300, 2);
-lean_inc(x_301);
-x_304 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_303, x_2, x_301);
-lean_ctor_set(x_300, 2, x_304);
-x_279 = x_301;
-x_280 = x_300;
-goto block_294;
+lean_object* x_207; lean_object* x_208; 
+x_207 = lean_ctor_get(x_204, 2);
+lean_inc(x_205);
+x_208 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_207, x_2, x_205);
+lean_ctor_set(x_204, 2, x_208);
+x_184 = x_205;
+x_185 = x_204;
+goto block_199;
 }
 else
 {
-lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; 
-x_305 = lean_ctor_get(x_300, 0);
-x_306 = lean_ctor_get(x_300, 1);
-x_307 = lean_ctor_get(x_300, 2);
-lean_inc(x_307);
-lean_inc(x_306);
-lean_inc(x_305);
-lean_dec(x_300);
-lean_inc(x_301);
-x_308 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_307, x_2, x_301);
-x_309 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_309, 0, x_305);
-lean_ctor_set(x_309, 1, x_306);
-lean_ctor_set(x_309, 2, x_308);
-x_279 = x_301;
-x_280 = x_309;
-goto block_294;
+lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; 
+x_209 = lean_ctor_get(x_204, 0);
+x_210 = lean_ctor_get(x_204, 1);
+x_211 = lean_ctor_get(x_204, 2);
+lean_inc(x_211);
+lean_inc(x_210);
+lean_inc(x_209);
+lean_dec(x_204);
+lean_inc(x_205);
+x_212 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_211, x_2, x_205);
+x_213 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_213, 0, x_209);
+lean_ctor_set(x_213, 1, x_210);
+lean_ctor_set(x_213, 2, x_212);
+x_184 = x_205;
+x_185 = x_213;
+goto block_199;
 }
 }
 else
 {
-uint8_t x_310; 
+uint8_t x_214; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_310 = !lean_is_exclusive(x_299);
-if (x_310 == 0)
+x_214 = !lean_is_exclusive(x_203);
+if (x_214 == 0)
 {
-return x_299;
+return x_203;
 }
 else
 {
-lean_object* x_311; lean_object* x_312; lean_object* x_313; 
-x_311 = lean_ctor_get(x_299, 0);
-x_312 = lean_ctor_get(x_299, 1);
-lean_inc(x_312);
-lean_inc(x_311);
-lean_dec(x_299);
-x_313 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_313, 0, x_311);
-lean_ctor_set(x_313, 1, x_312);
-return x_313;
+lean_object* x_215; lean_object* x_216; lean_object* x_217; 
+x_215 = lean_ctor_get(x_203, 0);
+x_216 = lean_ctor_get(x_203, 1);
+lean_inc(x_216);
+lean_inc(x_215);
+lean_dec(x_203);
+x_217 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_217, 0, x_215);
+lean_ctor_set(x_217, 1, x_216);
+return x_217;
 }
 }
 }
 else
 {
-lean_object* x_314; 
+lean_object* x_218; 
 lean_dec(x_2);
-x_314 = lean_ctor_get(x_298, 0);
-lean_inc(x_314);
-lean_dec(x_298);
-x_279 = x_314;
-x_280 = x_4;
-goto block_294;
+x_218 = lean_ctor_get(x_202, 0);
+lean_inc(x_218);
+lean_dec(x_202);
+x_184 = x_218;
+x_185 = x_4;
+goto block_199;
 }
 }
+block_199:
+{
+lean_object* x_186; lean_object* x_187; 
+x_186 = lean_unsigned_to_nat(0u);
+x_187 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_186, x_3, x_185);
+if (lean_obj_tag(x_187) == 0)
+{
+uint8_t x_188; 
+x_188 = !lean_is_exclusive(x_187);
+if (x_188 == 0)
+{
+lean_object* x_189; lean_object* x_190; 
+x_189 = lean_ctor_get(x_187, 0);
+x_190 = l_Lean_mkAppRev(x_184, x_189);
+lean_dec(x_189);
+lean_ctor_set(x_187, 0, x_190);
+return x_187;
+}
+else
+{
+lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
+x_191 = lean_ctor_get(x_187, 0);
+x_192 = lean_ctor_get(x_187, 1);
+lean_inc(x_192);
+lean_inc(x_191);
+lean_dec(x_187);
+x_193 = l_Lean_mkAppRev(x_184, x_191);
+lean_dec(x_191);
+x_194 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_194, 0, x_193);
+lean_ctor_set(x_194, 1, x_192);
+return x_194;
+}
 }
 else
 {
-lean_object* x_315; lean_object* x_316; 
-x_315 = lean_ctor_get(x_4, 2);
-lean_inc(x_315);
-x_316 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_315, x_2);
-lean_dec(x_315);
-if (lean_obj_tag(x_316) == 0)
+uint8_t x_195; 
+lean_dec(x_184);
+x_195 = !lean_is_exclusive(x_187);
+if (x_195 == 0)
 {
-lean_object* x_317; 
-lean_inc(x_2);
-x_317 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_317) == 0)
-{
-lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_318 = lean_ctor_get(x_317, 1);
-lean_inc(x_318);
-x_319 = lean_ctor_get(x_317, 0);
-lean_inc(x_319);
-lean_dec(x_317);
-x_320 = !lean_is_exclusive(x_318);
-if (x_320 == 0)
-{
-lean_object* x_321; lean_object* x_322; 
-x_321 = lean_ctor_get(x_318, 2);
-lean_inc(x_319);
-x_322 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_321, x_2, x_319);
-lean_ctor_set(x_318, 2, x_322);
-x_279 = x_319;
-x_280 = x_318;
-goto block_294;
+return x_187;
 }
 else
 {
-lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; 
-x_323 = lean_ctor_get(x_318, 0);
-x_324 = lean_ctor_get(x_318, 1);
-x_325 = lean_ctor_get(x_318, 2);
-lean_inc(x_325);
-lean_inc(x_324);
-lean_inc(x_323);
-lean_dec(x_318);
-lean_inc(x_319);
-x_326 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_325, x_2, x_319);
-x_327 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_327, 0, x_323);
-lean_ctor_set(x_327, 1, x_324);
-lean_ctor_set(x_327, 2, x_326);
-x_279 = x_319;
-x_280 = x_327;
-goto block_294;
-}
-}
-else
-{
-uint8_t x_328; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_328 = !lean_is_exclusive(x_317);
-if (x_328 == 0)
-{
-return x_317;
-}
-else
-{
-lean_object* x_329; lean_object* x_330; lean_object* x_331; 
-x_329 = lean_ctor_get(x_317, 0);
-x_330 = lean_ctor_get(x_317, 1);
-lean_inc(x_330);
-lean_inc(x_329);
-lean_dec(x_317);
-x_331 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_331, 0, x_329);
-lean_ctor_set(x_331, 1, x_330);
-return x_331;
-}
-}
-}
-else
-{
-lean_object* x_332; 
-lean_dec(x_2);
-x_332 = lean_ctor_get(x_316, 0);
-lean_inc(x_332);
-lean_dec(x_316);
-x_279 = x_332;
-x_280 = x_4;
-goto block_294;
-}
-}
-block_294:
-{
-lean_object* x_281; lean_object* x_282; 
-x_281 = lean_unsigned_to_nat(0u);
-x_282 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_281, x_3, x_280);
-if (lean_obj_tag(x_282) == 0)
-{
-uint8_t x_283; 
-x_283 = !lean_is_exclusive(x_282);
-if (x_283 == 0)
-{
-lean_object* x_284; lean_object* x_285; 
-x_284 = lean_ctor_get(x_282, 0);
-x_285 = l_Lean_mkAppRev(x_279, x_284);
-lean_dec(x_284);
-lean_ctor_set(x_282, 0, x_285);
-return x_282;
-}
-else
-{
-lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; 
-x_286 = lean_ctor_get(x_282, 0);
-x_287 = lean_ctor_get(x_282, 1);
-lean_inc(x_287);
-lean_inc(x_286);
-lean_dec(x_282);
-x_288 = l_Lean_mkAppRev(x_279, x_286);
-lean_dec(x_286);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_287);
-return x_289;
-}
-}
-else
-{
-uint8_t x_290; 
-lean_dec(x_279);
-x_290 = !lean_is_exclusive(x_282);
-if (x_290 == 0)
-{
-return x_282;
-}
-else
-{
-lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_291 = lean_ctor_get(x_282, 0);
-x_292 = lean_ctor_get(x_282, 1);
-lean_inc(x_292);
-lean_inc(x_291);
-lean_dec(x_282);
-x_293 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_293, 0, x_291);
-lean_ctor_set(x_293, 1, x_292);
-return x_293;
+lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+x_196 = lean_ctor_get(x_187, 0);
+x_197 = lean_ctor_get(x_187, 1);
+lean_inc(x_197);
+lean_inc(x_196);
+lean_dec(x_187);
+x_198 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_198, 0, x_196);
+lean_ctor_set(x_198, 1, x_197);
+return x_198;
 }
 }
 }
 }
 case 7:
 {
-lean_object* x_333; lean_object* x_334; uint8_t x_349; 
-x_349 = lean_expr_has_expr_mvar(x_2);
-if (x_349 == 0)
+lean_object* x_219; lean_object* x_220; uint8_t x_235; 
+x_235 = l_Lean_Expr_hasMVar(x_2);
+if (x_235 == 0)
 {
-uint8_t x_350; 
-x_350 = lean_expr_has_level_mvar(x_2);
-if (x_350 == 0)
-{
-x_333 = x_2;
-x_334 = x_4;
-goto block_348;
+x_219 = x_2;
+x_220 = x_4;
+goto block_234;
 }
 else
 {
-lean_object* x_351; lean_object* x_352; 
-x_351 = lean_ctor_get(x_4, 2);
-lean_inc(x_351);
-x_352 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_351, x_2);
-lean_dec(x_351);
-if (lean_obj_tag(x_352) == 0)
+lean_object* x_236; lean_object* x_237; 
+x_236 = lean_ctor_get(x_4, 2);
+lean_inc(x_236);
+x_237 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_236, x_2);
+lean_dec(x_236);
+if (lean_obj_tag(x_237) == 0)
 {
-lean_object* x_353; 
+lean_object* x_238; 
 lean_inc(x_2);
-x_353 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_353) == 0)
+x_238 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_238) == 0)
 {
-lean_object* x_354; lean_object* x_355; uint8_t x_356; 
-x_354 = lean_ctor_get(x_353, 1);
-lean_inc(x_354);
-x_355 = lean_ctor_get(x_353, 0);
-lean_inc(x_355);
-lean_dec(x_353);
-x_356 = !lean_is_exclusive(x_354);
-if (x_356 == 0)
+lean_object* x_239; lean_object* x_240; uint8_t x_241; 
+x_239 = lean_ctor_get(x_238, 1);
+lean_inc(x_239);
+x_240 = lean_ctor_get(x_238, 0);
+lean_inc(x_240);
+lean_dec(x_238);
+x_241 = !lean_is_exclusive(x_239);
+if (x_241 == 0)
 {
-lean_object* x_357; lean_object* x_358; 
-x_357 = lean_ctor_get(x_354, 2);
-lean_inc(x_355);
-x_358 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_357, x_2, x_355);
-lean_ctor_set(x_354, 2, x_358);
-x_333 = x_355;
-x_334 = x_354;
-goto block_348;
+lean_object* x_242; lean_object* x_243; 
+x_242 = lean_ctor_get(x_239, 2);
+lean_inc(x_240);
+x_243 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_242, x_2, x_240);
+lean_ctor_set(x_239, 2, x_243);
+x_219 = x_240;
+x_220 = x_239;
+goto block_234;
 }
 else
 {
-lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; 
-x_359 = lean_ctor_get(x_354, 0);
-x_360 = lean_ctor_get(x_354, 1);
-x_361 = lean_ctor_get(x_354, 2);
-lean_inc(x_361);
-lean_inc(x_360);
-lean_inc(x_359);
-lean_dec(x_354);
-lean_inc(x_355);
-x_362 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_361, x_2, x_355);
-x_363 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_363, 0, x_359);
-lean_ctor_set(x_363, 1, x_360);
-lean_ctor_set(x_363, 2, x_362);
-x_333 = x_355;
-x_334 = x_363;
-goto block_348;
+lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
+x_244 = lean_ctor_get(x_239, 0);
+x_245 = lean_ctor_get(x_239, 1);
+x_246 = lean_ctor_get(x_239, 2);
+lean_inc(x_246);
+lean_inc(x_245);
+lean_inc(x_244);
+lean_dec(x_239);
+lean_inc(x_240);
+x_247 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_246, x_2, x_240);
+x_248 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_248, 0, x_244);
+lean_ctor_set(x_248, 1, x_245);
+lean_ctor_set(x_248, 2, x_247);
+x_219 = x_240;
+x_220 = x_248;
+goto block_234;
 }
 }
 else
 {
-uint8_t x_364; 
+uint8_t x_249; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_364 = !lean_is_exclusive(x_353);
-if (x_364 == 0)
+x_249 = !lean_is_exclusive(x_238);
+if (x_249 == 0)
 {
-return x_353;
+return x_238;
 }
 else
 {
-lean_object* x_365; lean_object* x_366; lean_object* x_367; 
-x_365 = lean_ctor_get(x_353, 0);
-x_366 = lean_ctor_get(x_353, 1);
-lean_inc(x_366);
-lean_inc(x_365);
-lean_dec(x_353);
-x_367 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_367, 0, x_365);
-lean_ctor_set(x_367, 1, x_366);
-return x_367;
+lean_object* x_250; lean_object* x_251; lean_object* x_252; 
+x_250 = lean_ctor_get(x_238, 0);
+x_251 = lean_ctor_get(x_238, 1);
+lean_inc(x_251);
+lean_inc(x_250);
+lean_dec(x_238);
+x_252 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_252, 0, x_250);
+lean_ctor_set(x_252, 1, x_251);
+return x_252;
 }
 }
 }
 else
 {
-lean_object* x_368; 
+lean_object* x_253; 
 lean_dec(x_2);
-x_368 = lean_ctor_get(x_352, 0);
-lean_inc(x_368);
-lean_dec(x_352);
-x_333 = x_368;
-x_334 = x_4;
-goto block_348;
+x_253 = lean_ctor_get(x_237, 0);
+lean_inc(x_253);
+lean_dec(x_237);
+x_219 = x_253;
+x_220 = x_4;
+goto block_234;
 }
 }
+block_234:
+{
+lean_object* x_221; lean_object* x_222; 
+x_221 = lean_unsigned_to_nat(0u);
+x_222 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_221, x_3, x_220);
+if (lean_obj_tag(x_222) == 0)
+{
+uint8_t x_223; 
+x_223 = !lean_is_exclusive(x_222);
+if (x_223 == 0)
+{
+lean_object* x_224; lean_object* x_225; 
+x_224 = lean_ctor_get(x_222, 0);
+x_225 = l_Lean_mkAppRev(x_219, x_224);
+lean_dec(x_224);
+lean_ctor_set(x_222, 0, x_225);
+return x_222;
+}
+else
+{
+lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+x_226 = lean_ctor_get(x_222, 0);
+x_227 = lean_ctor_get(x_222, 1);
+lean_inc(x_227);
+lean_inc(x_226);
+lean_dec(x_222);
+x_228 = l_Lean_mkAppRev(x_219, x_226);
+lean_dec(x_226);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_227);
+return x_229;
+}
 }
 else
 {
-lean_object* x_369; lean_object* x_370; 
-x_369 = lean_ctor_get(x_4, 2);
-lean_inc(x_369);
-x_370 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_369, x_2);
-lean_dec(x_369);
-if (lean_obj_tag(x_370) == 0)
+uint8_t x_230; 
+lean_dec(x_219);
+x_230 = !lean_is_exclusive(x_222);
+if (x_230 == 0)
 {
-lean_object* x_371; 
-lean_inc(x_2);
-x_371 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_371) == 0)
-{
-lean_object* x_372; lean_object* x_373; uint8_t x_374; 
-x_372 = lean_ctor_get(x_371, 1);
-lean_inc(x_372);
-x_373 = lean_ctor_get(x_371, 0);
-lean_inc(x_373);
-lean_dec(x_371);
-x_374 = !lean_is_exclusive(x_372);
-if (x_374 == 0)
-{
-lean_object* x_375; lean_object* x_376; 
-x_375 = lean_ctor_get(x_372, 2);
-lean_inc(x_373);
-x_376 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_375, x_2, x_373);
-lean_ctor_set(x_372, 2, x_376);
-x_333 = x_373;
-x_334 = x_372;
-goto block_348;
+return x_222;
 }
 else
 {
-lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; 
-x_377 = lean_ctor_get(x_372, 0);
-x_378 = lean_ctor_get(x_372, 1);
-x_379 = lean_ctor_get(x_372, 2);
-lean_inc(x_379);
-lean_inc(x_378);
-lean_inc(x_377);
-lean_dec(x_372);
-lean_inc(x_373);
-x_380 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_379, x_2, x_373);
-x_381 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_381, 0, x_377);
-lean_ctor_set(x_381, 1, x_378);
-lean_ctor_set(x_381, 2, x_380);
-x_333 = x_373;
-x_334 = x_381;
-goto block_348;
-}
-}
-else
-{
-uint8_t x_382; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_382 = !lean_is_exclusive(x_371);
-if (x_382 == 0)
-{
-return x_371;
-}
-else
-{
-lean_object* x_383; lean_object* x_384; lean_object* x_385; 
-x_383 = lean_ctor_get(x_371, 0);
-x_384 = lean_ctor_get(x_371, 1);
-lean_inc(x_384);
-lean_inc(x_383);
-lean_dec(x_371);
-x_385 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_385, 0, x_383);
-lean_ctor_set(x_385, 1, x_384);
-return x_385;
-}
-}
-}
-else
-{
-lean_object* x_386; 
-lean_dec(x_2);
-x_386 = lean_ctor_get(x_370, 0);
-lean_inc(x_386);
-lean_dec(x_370);
-x_333 = x_386;
-x_334 = x_4;
-goto block_348;
-}
-}
-block_348:
-{
-lean_object* x_335; lean_object* x_336; 
-x_335 = lean_unsigned_to_nat(0u);
-x_336 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_335, x_3, x_334);
-if (lean_obj_tag(x_336) == 0)
-{
-uint8_t x_337; 
-x_337 = !lean_is_exclusive(x_336);
-if (x_337 == 0)
-{
-lean_object* x_338; lean_object* x_339; 
-x_338 = lean_ctor_get(x_336, 0);
-x_339 = l_Lean_mkAppRev(x_333, x_338);
-lean_dec(x_338);
-lean_ctor_set(x_336, 0, x_339);
-return x_336;
-}
-else
-{
-lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; 
-x_340 = lean_ctor_get(x_336, 0);
-x_341 = lean_ctor_get(x_336, 1);
-lean_inc(x_341);
-lean_inc(x_340);
-lean_dec(x_336);
-x_342 = l_Lean_mkAppRev(x_333, x_340);
-lean_dec(x_340);
-x_343 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_343, 0, x_342);
-lean_ctor_set(x_343, 1, x_341);
-return x_343;
-}
-}
-else
-{
-uint8_t x_344; 
-lean_dec(x_333);
-x_344 = !lean_is_exclusive(x_336);
-if (x_344 == 0)
-{
-return x_336;
-}
-else
-{
-lean_object* x_345; lean_object* x_346; lean_object* x_347; 
-x_345 = lean_ctor_get(x_336, 0);
-x_346 = lean_ctor_get(x_336, 1);
-lean_inc(x_346);
-lean_inc(x_345);
-lean_dec(x_336);
-x_347 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_347, 0, x_345);
-lean_ctor_set(x_347, 1, x_346);
-return x_347;
+lean_object* x_231; lean_object* x_232; lean_object* x_233; 
+x_231 = lean_ctor_get(x_222, 0);
+x_232 = lean_ctor_get(x_222, 1);
+lean_inc(x_232);
+lean_inc(x_231);
+lean_dec(x_222);
+x_233 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_233, 0, x_231);
+lean_ctor_set(x_233, 1, x_232);
+return x_233;
 }
 }
 }
 }
 case 8:
 {
-lean_object* x_387; lean_object* x_388; uint8_t x_403; 
-x_403 = lean_expr_has_expr_mvar(x_2);
-if (x_403 == 0)
+lean_object* x_254; lean_object* x_255; uint8_t x_270; 
+x_270 = l_Lean_Expr_hasMVar(x_2);
+if (x_270 == 0)
 {
-uint8_t x_404; 
-x_404 = lean_expr_has_level_mvar(x_2);
-if (x_404 == 0)
-{
-x_387 = x_2;
-x_388 = x_4;
-goto block_402;
+x_254 = x_2;
+x_255 = x_4;
+goto block_269;
 }
 else
 {
-lean_object* x_405; lean_object* x_406; 
-x_405 = lean_ctor_get(x_4, 2);
-lean_inc(x_405);
-x_406 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_405, x_2);
-lean_dec(x_405);
-if (lean_obj_tag(x_406) == 0)
+lean_object* x_271; lean_object* x_272; 
+x_271 = lean_ctor_get(x_4, 2);
+lean_inc(x_271);
+x_272 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_271, x_2);
+lean_dec(x_271);
+if (lean_obj_tag(x_272) == 0)
 {
-lean_object* x_407; 
+lean_object* x_273; 
 lean_inc(x_2);
-x_407 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_407) == 0)
+x_273 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_273) == 0)
 {
-lean_object* x_408; lean_object* x_409; uint8_t x_410; 
-x_408 = lean_ctor_get(x_407, 1);
-lean_inc(x_408);
-x_409 = lean_ctor_get(x_407, 0);
-lean_inc(x_409);
-lean_dec(x_407);
-x_410 = !lean_is_exclusive(x_408);
-if (x_410 == 0)
+lean_object* x_274; lean_object* x_275; uint8_t x_276; 
+x_274 = lean_ctor_get(x_273, 1);
+lean_inc(x_274);
+x_275 = lean_ctor_get(x_273, 0);
+lean_inc(x_275);
+lean_dec(x_273);
+x_276 = !lean_is_exclusive(x_274);
+if (x_276 == 0)
 {
-lean_object* x_411; lean_object* x_412; 
-x_411 = lean_ctor_get(x_408, 2);
-lean_inc(x_409);
-x_412 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_411, x_2, x_409);
-lean_ctor_set(x_408, 2, x_412);
-x_387 = x_409;
-x_388 = x_408;
-goto block_402;
+lean_object* x_277; lean_object* x_278; 
+x_277 = lean_ctor_get(x_274, 2);
+lean_inc(x_275);
+x_278 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_277, x_2, x_275);
+lean_ctor_set(x_274, 2, x_278);
+x_254 = x_275;
+x_255 = x_274;
+goto block_269;
 }
 else
 {
-lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; 
-x_413 = lean_ctor_get(x_408, 0);
-x_414 = lean_ctor_get(x_408, 1);
-x_415 = lean_ctor_get(x_408, 2);
-lean_inc(x_415);
-lean_inc(x_414);
-lean_inc(x_413);
-lean_dec(x_408);
-lean_inc(x_409);
-x_416 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_415, x_2, x_409);
-x_417 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_417, 0, x_413);
-lean_ctor_set(x_417, 1, x_414);
-lean_ctor_set(x_417, 2, x_416);
-x_387 = x_409;
-x_388 = x_417;
-goto block_402;
+lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+x_279 = lean_ctor_get(x_274, 0);
+x_280 = lean_ctor_get(x_274, 1);
+x_281 = lean_ctor_get(x_274, 2);
+lean_inc(x_281);
+lean_inc(x_280);
+lean_inc(x_279);
+lean_dec(x_274);
+lean_inc(x_275);
+x_282 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_281, x_2, x_275);
+x_283 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_283, 0, x_279);
+lean_ctor_set(x_283, 1, x_280);
+lean_ctor_set(x_283, 2, x_282);
+x_254 = x_275;
+x_255 = x_283;
+goto block_269;
 }
 }
 else
 {
-uint8_t x_418; 
+uint8_t x_284; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_418 = !lean_is_exclusive(x_407);
-if (x_418 == 0)
+x_284 = !lean_is_exclusive(x_273);
+if (x_284 == 0)
 {
-return x_407;
+return x_273;
 }
 else
 {
-lean_object* x_419; lean_object* x_420; lean_object* x_421; 
-x_419 = lean_ctor_get(x_407, 0);
-x_420 = lean_ctor_get(x_407, 1);
-lean_inc(x_420);
-lean_inc(x_419);
-lean_dec(x_407);
-x_421 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_421, 0, x_419);
-lean_ctor_set(x_421, 1, x_420);
-return x_421;
+lean_object* x_285; lean_object* x_286; lean_object* x_287; 
+x_285 = lean_ctor_get(x_273, 0);
+x_286 = lean_ctor_get(x_273, 1);
+lean_inc(x_286);
+lean_inc(x_285);
+lean_dec(x_273);
+x_287 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_287, 0, x_285);
+lean_ctor_set(x_287, 1, x_286);
+return x_287;
 }
 }
 }
 else
 {
-lean_object* x_422; 
+lean_object* x_288; 
 lean_dec(x_2);
-x_422 = lean_ctor_get(x_406, 0);
-lean_inc(x_422);
-lean_dec(x_406);
-x_387 = x_422;
-x_388 = x_4;
-goto block_402;
+x_288 = lean_ctor_get(x_272, 0);
+lean_inc(x_288);
+lean_dec(x_272);
+x_254 = x_288;
+x_255 = x_4;
+goto block_269;
 }
 }
+block_269:
+{
+lean_object* x_256; lean_object* x_257; 
+x_256 = lean_unsigned_to_nat(0u);
+x_257 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_256, x_3, x_255);
+if (lean_obj_tag(x_257) == 0)
+{
+uint8_t x_258; 
+x_258 = !lean_is_exclusive(x_257);
+if (x_258 == 0)
+{
+lean_object* x_259; lean_object* x_260; 
+x_259 = lean_ctor_get(x_257, 0);
+x_260 = l_Lean_mkAppRev(x_254, x_259);
+lean_dec(x_259);
+lean_ctor_set(x_257, 0, x_260);
+return x_257;
+}
+else
+{
+lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; 
+x_261 = lean_ctor_get(x_257, 0);
+x_262 = lean_ctor_get(x_257, 1);
+lean_inc(x_262);
+lean_inc(x_261);
+lean_dec(x_257);
+x_263 = l_Lean_mkAppRev(x_254, x_261);
+lean_dec(x_261);
+x_264 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_264, 0, x_263);
+lean_ctor_set(x_264, 1, x_262);
+return x_264;
+}
 }
 else
 {
-lean_object* x_423; lean_object* x_424; 
-x_423 = lean_ctor_get(x_4, 2);
-lean_inc(x_423);
-x_424 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_423, x_2);
-lean_dec(x_423);
-if (lean_obj_tag(x_424) == 0)
+uint8_t x_265; 
+lean_dec(x_254);
+x_265 = !lean_is_exclusive(x_257);
+if (x_265 == 0)
 {
-lean_object* x_425; 
-lean_inc(x_2);
-x_425 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_425) == 0)
-{
-lean_object* x_426; lean_object* x_427; uint8_t x_428; 
-x_426 = lean_ctor_get(x_425, 1);
-lean_inc(x_426);
-x_427 = lean_ctor_get(x_425, 0);
-lean_inc(x_427);
-lean_dec(x_425);
-x_428 = !lean_is_exclusive(x_426);
-if (x_428 == 0)
-{
-lean_object* x_429; lean_object* x_430; 
-x_429 = lean_ctor_get(x_426, 2);
-lean_inc(x_427);
-x_430 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_429, x_2, x_427);
-lean_ctor_set(x_426, 2, x_430);
-x_387 = x_427;
-x_388 = x_426;
-goto block_402;
+return x_257;
 }
 else
 {
-lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; 
-x_431 = lean_ctor_get(x_426, 0);
-x_432 = lean_ctor_get(x_426, 1);
-x_433 = lean_ctor_get(x_426, 2);
-lean_inc(x_433);
-lean_inc(x_432);
-lean_inc(x_431);
-lean_dec(x_426);
-lean_inc(x_427);
-x_434 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_433, x_2, x_427);
-x_435 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_435, 0, x_431);
-lean_ctor_set(x_435, 1, x_432);
-lean_ctor_set(x_435, 2, x_434);
-x_387 = x_427;
-x_388 = x_435;
-goto block_402;
-}
-}
-else
-{
-uint8_t x_436; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_436 = !lean_is_exclusive(x_425);
-if (x_436 == 0)
-{
-return x_425;
-}
-else
-{
-lean_object* x_437; lean_object* x_438; lean_object* x_439; 
-x_437 = lean_ctor_get(x_425, 0);
-x_438 = lean_ctor_get(x_425, 1);
-lean_inc(x_438);
-lean_inc(x_437);
-lean_dec(x_425);
-x_439 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_439, 0, x_437);
-lean_ctor_set(x_439, 1, x_438);
-return x_439;
-}
-}
-}
-else
-{
-lean_object* x_440; 
-lean_dec(x_2);
-x_440 = lean_ctor_get(x_424, 0);
-lean_inc(x_440);
-lean_dec(x_424);
-x_387 = x_440;
-x_388 = x_4;
-goto block_402;
-}
-}
-block_402:
-{
-lean_object* x_389; lean_object* x_390; 
-x_389 = lean_unsigned_to_nat(0u);
-x_390 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_389, x_3, x_388);
-if (lean_obj_tag(x_390) == 0)
-{
-uint8_t x_391; 
-x_391 = !lean_is_exclusive(x_390);
-if (x_391 == 0)
-{
-lean_object* x_392; lean_object* x_393; 
-x_392 = lean_ctor_get(x_390, 0);
-x_393 = l_Lean_mkAppRev(x_387, x_392);
-lean_dec(x_392);
-lean_ctor_set(x_390, 0, x_393);
-return x_390;
-}
-else
-{
-lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; 
-x_394 = lean_ctor_get(x_390, 0);
-x_395 = lean_ctor_get(x_390, 1);
-lean_inc(x_395);
-lean_inc(x_394);
-lean_dec(x_390);
-x_396 = l_Lean_mkAppRev(x_387, x_394);
-lean_dec(x_394);
-x_397 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_397, 0, x_396);
-lean_ctor_set(x_397, 1, x_395);
-return x_397;
-}
-}
-else
-{
-uint8_t x_398; 
-lean_dec(x_387);
-x_398 = !lean_is_exclusive(x_390);
-if (x_398 == 0)
-{
-return x_390;
-}
-else
-{
-lean_object* x_399; lean_object* x_400; lean_object* x_401; 
-x_399 = lean_ctor_get(x_390, 0);
-x_400 = lean_ctor_get(x_390, 1);
-lean_inc(x_400);
-lean_inc(x_399);
-lean_dec(x_390);
-x_401 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_401, 0, x_399);
-lean_ctor_set(x_401, 1, x_400);
-return x_401;
+lean_object* x_266; lean_object* x_267; lean_object* x_268; 
+x_266 = lean_ctor_get(x_257, 0);
+x_267 = lean_ctor_get(x_257, 1);
+lean_inc(x_267);
+lean_inc(x_266);
+lean_dec(x_257);
+x_268 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_268, 0, x_266);
+lean_ctor_set(x_268, 1, x_267);
+return x_268;
 }
 }
 }
 }
 case 9:
 {
-lean_object* x_441; lean_object* x_442; uint8_t x_457; 
-x_457 = lean_expr_has_expr_mvar(x_2);
-if (x_457 == 0)
+lean_object* x_289; lean_object* x_290; uint8_t x_305; 
+x_305 = l_Lean_Expr_hasMVar(x_2);
+if (x_305 == 0)
 {
-uint8_t x_458; 
-x_458 = lean_expr_has_level_mvar(x_2);
-if (x_458 == 0)
-{
-x_441 = x_2;
-x_442 = x_4;
-goto block_456;
+x_289 = x_2;
+x_290 = x_4;
+goto block_304;
 }
 else
 {
-lean_object* x_459; lean_object* x_460; 
-x_459 = lean_ctor_get(x_4, 2);
-lean_inc(x_459);
-x_460 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_459, x_2);
-lean_dec(x_459);
-if (lean_obj_tag(x_460) == 0)
+lean_object* x_306; lean_object* x_307; 
+x_306 = lean_ctor_get(x_4, 2);
+lean_inc(x_306);
+x_307 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_306, x_2);
+lean_dec(x_306);
+if (lean_obj_tag(x_307) == 0)
 {
-lean_object* x_461; 
+lean_object* x_308; 
 lean_inc(x_2);
-x_461 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_461) == 0)
+x_308 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_308) == 0)
 {
-lean_object* x_462; lean_object* x_463; uint8_t x_464; 
-x_462 = lean_ctor_get(x_461, 1);
-lean_inc(x_462);
-x_463 = lean_ctor_get(x_461, 0);
-lean_inc(x_463);
-lean_dec(x_461);
-x_464 = !lean_is_exclusive(x_462);
-if (x_464 == 0)
+lean_object* x_309; lean_object* x_310; uint8_t x_311; 
+x_309 = lean_ctor_get(x_308, 1);
+lean_inc(x_309);
+x_310 = lean_ctor_get(x_308, 0);
+lean_inc(x_310);
+lean_dec(x_308);
+x_311 = !lean_is_exclusive(x_309);
+if (x_311 == 0)
 {
-lean_object* x_465; lean_object* x_466; 
-x_465 = lean_ctor_get(x_462, 2);
-lean_inc(x_463);
-x_466 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_465, x_2, x_463);
-lean_ctor_set(x_462, 2, x_466);
-x_441 = x_463;
-x_442 = x_462;
-goto block_456;
+lean_object* x_312; lean_object* x_313; 
+x_312 = lean_ctor_get(x_309, 2);
+lean_inc(x_310);
+x_313 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_312, x_2, x_310);
+lean_ctor_set(x_309, 2, x_313);
+x_289 = x_310;
+x_290 = x_309;
+goto block_304;
 }
 else
 {
-lean_object* x_467; lean_object* x_468; lean_object* x_469; lean_object* x_470; lean_object* x_471; 
-x_467 = lean_ctor_get(x_462, 0);
-x_468 = lean_ctor_get(x_462, 1);
-x_469 = lean_ctor_get(x_462, 2);
-lean_inc(x_469);
-lean_inc(x_468);
-lean_inc(x_467);
-lean_dec(x_462);
-lean_inc(x_463);
-x_470 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_469, x_2, x_463);
-x_471 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_471, 0, x_467);
-lean_ctor_set(x_471, 1, x_468);
-lean_ctor_set(x_471, 2, x_470);
-x_441 = x_463;
-x_442 = x_471;
-goto block_456;
+lean_object* x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; 
+x_314 = lean_ctor_get(x_309, 0);
+x_315 = lean_ctor_get(x_309, 1);
+x_316 = lean_ctor_get(x_309, 2);
+lean_inc(x_316);
+lean_inc(x_315);
+lean_inc(x_314);
+lean_dec(x_309);
+lean_inc(x_310);
+x_317 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_316, x_2, x_310);
+x_318 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_318, 0, x_314);
+lean_ctor_set(x_318, 1, x_315);
+lean_ctor_set(x_318, 2, x_317);
+x_289 = x_310;
+x_290 = x_318;
+goto block_304;
 }
 }
 else
 {
-uint8_t x_472; 
+uint8_t x_319; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_472 = !lean_is_exclusive(x_461);
-if (x_472 == 0)
+x_319 = !lean_is_exclusive(x_308);
+if (x_319 == 0)
 {
-return x_461;
+return x_308;
 }
 else
 {
-lean_object* x_473; lean_object* x_474; lean_object* x_475; 
-x_473 = lean_ctor_get(x_461, 0);
-x_474 = lean_ctor_get(x_461, 1);
-lean_inc(x_474);
-lean_inc(x_473);
-lean_dec(x_461);
-x_475 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_475, 0, x_473);
-lean_ctor_set(x_475, 1, x_474);
-return x_475;
+lean_object* x_320; lean_object* x_321; lean_object* x_322; 
+x_320 = lean_ctor_get(x_308, 0);
+x_321 = lean_ctor_get(x_308, 1);
+lean_inc(x_321);
+lean_inc(x_320);
+lean_dec(x_308);
+x_322 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_322, 0, x_320);
+lean_ctor_set(x_322, 1, x_321);
+return x_322;
 }
 }
 }
 else
 {
-lean_object* x_476; 
+lean_object* x_323; 
 lean_dec(x_2);
-x_476 = lean_ctor_get(x_460, 0);
-lean_inc(x_476);
-lean_dec(x_460);
-x_441 = x_476;
-x_442 = x_4;
-goto block_456;
+x_323 = lean_ctor_get(x_307, 0);
+lean_inc(x_323);
+lean_dec(x_307);
+x_289 = x_323;
+x_290 = x_4;
+goto block_304;
 }
 }
+block_304:
+{
+lean_object* x_291; lean_object* x_292; 
+x_291 = lean_unsigned_to_nat(0u);
+x_292 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_291, x_3, x_290);
+if (lean_obj_tag(x_292) == 0)
+{
+uint8_t x_293; 
+x_293 = !lean_is_exclusive(x_292);
+if (x_293 == 0)
+{
+lean_object* x_294; lean_object* x_295; 
+x_294 = lean_ctor_get(x_292, 0);
+x_295 = l_Lean_mkAppRev(x_289, x_294);
+lean_dec(x_294);
+lean_ctor_set(x_292, 0, x_295);
+return x_292;
+}
+else
+{
+lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; 
+x_296 = lean_ctor_get(x_292, 0);
+x_297 = lean_ctor_get(x_292, 1);
+lean_inc(x_297);
+lean_inc(x_296);
+lean_dec(x_292);
+x_298 = l_Lean_mkAppRev(x_289, x_296);
+lean_dec(x_296);
+x_299 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_299, 0, x_298);
+lean_ctor_set(x_299, 1, x_297);
+return x_299;
+}
 }
 else
 {
-lean_object* x_477; lean_object* x_478; 
-x_477 = lean_ctor_get(x_4, 2);
-lean_inc(x_477);
-x_478 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_477, x_2);
-lean_dec(x_477);
-if (lean_obj_tag(x_478) == 0)
+uint8_t x_300; 
+lean_dec(x_289);
+x_300 = !lean_is_exclusive(x_292);
+if (x_300 == 0)
 {
-lean_object* x_479; 
-lean_inc(x_2);
-x_479 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_479) == 0)
-{
-lean_object* x_480; lean_object* x_481; uint8_t x_482; 
-x_480 = lean_ctor_get(x_479, 1);
-lean_inc(x_480);
-x_481 = lean_ctor_get(x_479, 0);
-lean_inc(x_481);
-lean_dec(x_479);
-x_482 = !lean_is_exclusive(x_480);
-if (x_482 == 0)
-{
-lean_object* x_483; lean_object* x_484; 
-x_483 = lean_ctor_get(x_480, 2);
-lean_inc(x_481);
-x_484 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_483, x_2, x_481);
-lean_ctor_set(x_480, 2, x_484);
-x_441 = x_481;
-x_442 = x_480;
-goto block_456;
+return x_292;
 }
 else
 {
-lean_object* x_485; lean_object* x_486; lean_object* x_487; lean_object* x_488; lean_object* x_489; 
-x_485 = lean_ctor_get(x_480, 0);
-x_486 = lean_ctor_get(x_480, 1);
-x_487 = lean_ctor_get(x_480, 2);
-lean_inc(x_487);
-lean_inc(x_486);
-lean_inc(x_485);
-lean_dec(x_480);
-lean_inc(x_481);
-x_488 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_487, x_2, x_481);
-x_489 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_489, 0, x_485);
-lean_ctor_set(x_489, 1, x_486);
-lean_ctor_set(x_489, 2, x_488);
-x_441 = x_481;
-x_442 = x_489;
-goto block_456;
-}
-}
-else
-{
-uint8_t x_490; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_490 = !lean_is_exclusive(x_479);
-if (x_490 == 0)
-{
-return x_479;
-}
-else
-{
-lean_object* x_491; lean_object* x_492; lean_object* x_493; 
-x_491 = lean_ctor_get(x_479, 0);
-x_492 = lean_ctor_get(x_479, 1);
-lean_inc(x_492);
-lean_inc(x_491);
-lean_dec(x_479);
-x_493 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_493, 0, x_491);
-lean_ctor_set(x_493, 1, x_492);
-return x_493;
-}
-}
-}
-else
-{
-lean_object* x_494; 
-lean_dec(x_2);
-x_494 = lean_ctor_get(x_478, 0);
-lean_inc(x_494);
-lean_dec(x_478);
-x_441 = x_494;
-x_442 = x_4;
-goto block_456;
-}
-}
-block_456:
-{
-lean_object* x_443; lean_object* x_444; 
-x_443 = lean_unsigned_to_nat(0u);
-x_444 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_443, x_3, x_442);
-if (lean_obj_tag(x_444) == 0)
-{
-uint8_t x_445; 
-x_445 = !lean_is_exclusive(x_444);
-if (x_445 == 0)
-{
-lean_object* x_446; lean_object* x_447; 
-x_446 = lean_ctor_get(x_444, 0);
-x_447 = l_Lean_mkAppRev(x_441, x_446);
-lean_dec(x_446);
-lean_ctor_set(x_444, 0, x_447);
-return x_444;
-}
-else
-{
-lean_object* x_448; lean_object* x_449; lean_object* x_450; lean_object* x_451; 
-x_448 = lean_ctor_get(x_444, 0);
-x_449 = lean_ctor_get(x_444, 1);
-lean_inc(x_449);
-lean_inc(x_448);
-lean_dec(x_444);
-x_450 = l_Lean_mkAppRev(x_441, x_448);
-lean_dec(x_448);
-x_451 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_451, 0, x_450);
-lean_ctor_set(x_451, 1, x_449);
-return x_451;
-}
-}
-else
-{
-uint8_t x_452; 
-lean_dec(x_441);
-x_452 = !lean_is_exclusive(x_444);
-if (x_452 == 0)
-{
-return x_444;
-}
-else
-{
-lean_object* x_453; lean_object* x_454; lean_object* x_455; 
-x_453 = lean_ctor_get(x_444, 0);
-x_454 = lean_ctor_get(x_444, 1);
-lean_inc(x_454);
-lean_inc(x_453);
-lean_dec(x_444);
-x_455 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_455, 0, x_453);
-lean_ctor_set(x_455, 1, x_454);
-return x_455;
+lean_object* x_301; lean_object* x_302; lean_object* x_303; 
+x_301 = lean_ctor_get(x_292, 0);
+x_302 = lean_ctor_get(x_292, 1);
+lean_inc(x_302);
+lean_inc(x_301);
+lean_dec(x_292);
+x_303 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_303, 0, x_301);
+lean_ctor_set(x_303, 1, x_302);
+return x_303;
 }
 }
 }
 }
 case 10:
 {
-lean_object* x_495; lean_object* x_496; uint8_t x_511; 
-x_511 = lean_expr_has_expr_mvar(x_2);
-if (x_511 == 0)
+lean_object* x_324; lean_object* x_325; uint8_t x_340; 
+x_340 = l_Lean_Expr_hasMVar(x_2);
+if (x_340 == 0)
 {
-uint8_t x_512; 
-x_512 = lean_expr_has_level_mvar(x_2);
-if (x_512 == 0)
-{
-x_495 = x_2;
-x_496 = x_4;
-goto block_510;
+x_324 = x_2;
+x_325 = x_4;
+goto block_339;
 }
 else
 {
-lean_object* x_513; lean_object* x_514; 
-x_513 = lean_ctor_get(x_4, 2);
-lean_inc(x_513);
-x_514 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_513, x_2);
-lean_dec(x_513);
-if (lean_obj_tag(x_514) == 0)
+lean_object* x_341; lean_object* x_342; 
+x_341 = lean_ctor_get(x_4, 2);
+lean_inc(x_341);
+x_342 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_341, x_2);
+lean_dec(x_341);
+if (lean_obj_tag(x_342) == 0)
 {
-lean_object* x_515; 
+lean_object* x_343; 
 lean_inc(x_2);
-x_515 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_515) == 0)
+x_343 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_343) == 0)
 {
-lean_object* x_516; lean_object* x_517; uint8_t x_518; 
-x_516 = lean_ctor_get(x_515, 1);
-lean_inc(x_516);
-x_517 = lean_ctor_get(x_515, 0);
-lean_inc(x_517);
-lean_dec(x_515);
-x_518 = !lean_is_exclusive(x_516);
-if (x_518 == 0)
+lean_object* x_344; lean_object* x_345; uint8_t x_346; 
+x_344 = lean_ctor_get(x_343, 1);
+lean_inc(x_344);
+x_345 = lean_ctor_get(x_343, 0);
+lean_inc(x_345);
+lean_dec(x_343);
+x_346 = !lean_is_exclusive(x_344);
+if (x_346 == 0)
 {
-lean_object* x_519; lean_object* x_520; 
-x_519 = lean_ctor_get(x_516, 2);
-lean_inc(x_517);
-x_520 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_519, x_2, x_517);
-lean_ctor_set(x_516, 2, x_520);
-x_495 = x_517;
-x_496 = x_516;
-goto block_510;
+lean_object* x_347; lean_object* x_348; 
+x_347 = lean_ctor_get(x_344, 2);
+lean_inc(x_345);
+x_348 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_347, x_2, x_345);
+lean_ctor_set(x_344, 2, x_348);
+x_324 = x_345;
+x_325 = x_344;
+goto block_339;
 }
 else
 {
-lean_object* x_521; lean_object* x_522; lean_object* x_523; lean_object* x_524; lean_object* x_525; 
-x_521 = lean_ctor_get(x_516, 0);
-x_522 = lean_ctor_get(x_516, 1);
-x_523 = lean_ctor_get(x_516, 2);
-lean_inc(x_523);
-lean_inc(x_522);
-lean_inc(x_521);
-lean_dec(x_516);
-lean_inc(x_517);
-x_524 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_523, x_2, x_517);
-x_525 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_525, 0, x_521);
-lean_ctor_set(x_525, 1, x_522);
-lean_ctor_set(x_525, 2, x_524);
-x_495 = x_517;
-x_496 = x_525;
-goto block_510;
+lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; 
+x_349 = lean_ctor_get(x_344, 0);
+x_350 = lean_ctor_get(x_344, 1);
+x_351 = lean_ctor_get(x_344, 2);
+lean_inc(x_351);
+lean_inc(x_350);
+lean_inc(x_349);
+lean_dec(x_344);
+lean_inc(x_345);
+x_352 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_351, x_2, x_345);
+x_353 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_353, 0, x_349);
+lean_ctor_set(x_353, 1, x_350);
+lean_ctor_set(x_353, 2, x_352);
+x_324 = x_345;
+x_325 = x_353;
+goto block_339;
 }
 }
 else
 {
-uint8_t x_526; 
+uint8_t x_354; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_526 = !lean_is_exclusive(x_515);
-if (x_526 == 0)
+x_354 = !lean_is_exclusive(x_343);
+if (x_354 == 0)
 {
-return x_515;
+return x_343;
 }
 else
 {
-lean_object* x_527; lean_object* x_528; lean_object* x_529; 
-x_527 = lean_ctor_get(x_515, 0);
-x_528 = lean_ctor_get(x_515, 1);
-lean_inc(x_528);
-lean_inc(x_527);
-lean_dec(x_515);
-x_529 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_529, 0, x_527);
-lean_ctor_set(x_529, 1, x_528);
-return x_529;
+lean_object* x_355; lean_object* x_356; lean_object* x_357; 
+x_355 = lean_ctor_get(x_343, 0);
+x_356 = lean_ctor_get(x_343, 1);
+lean_inc(x_356);
+lean_inc(x_355);
+lean_dec(x_343);
+x_357 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_357, 0, x_355);
+lean_ctor_set(x_357, 1, x_356);
+return x_357;
 }
 }
 }
 else
 {
-lean_object* x_530; 
+lean_object* x_358; 
 lean_dec(x_2);
-x_530 = lean_ctor_get(x_514, 0);
-lean_inc(x_530);
-lean_dec(x_514);
-x_495 = x_530;
-x_496 = x_4;
-goto block_510;
+x_358 = lean_ctor_get(x_342, 0);
+lean_inc(x_358);
+lean_dec(x_342);
+x_324 = x_358;
+x_325 = x_4;
+goto block_339;
 }
 }
+block_339:
+{
+lean_object* x_326; lean_object* x_327; 
+x_326 = lean_unsigned_to_nat(0u);
+x_327 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_326, x_3, x_325);
+if (lean_obj_tag(x_327) == 0)
+{
+uint8_t x_328; 
+x_328 = !lean_is_exclusive(x_327);
+if (x_328 == 0)
+{
+lean_object* x_329; lean_object* x_330; 
+x_329 = lean_ctor_get(x_327, 0);
+x_330 = l_Lean_mkAppRev(x_324, x_329);
+lean_dec(x_329);
+lean_ctor_set(x_327, 0, x_330);
+return x_327;
+}
+else
+{
+lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; 
+x_331 = lean_ctor_get(x_327, 0);
+x_332 = lean_ctor_get(x_327, 1);
+lean_inc(x_332);
+lean_inc(x_331);
+lean_dec(x_327);
+x_333 = l_Lean_mkAppRev(x_324, x_331);
+lean_dec(x_331);
+x_334 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_334, 0, x_333);
+lean_ctor_set(x_334, 1, x_332);
+return x_334;
+}
 }
 else
 {
-lean_object* x_531; lean_object* x_532; 
-x_531 = lean_ctor_get(x_4, 2);
-lean_inc(x_531);
-x_532 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_531, x_2);
-lean_dec(x_531);
-if (lean_obj_tag(x_532) == 0)
+uint8_t x_335; 
+lean_dec(x_324);
+x_335 = !lean_is_exclusive(x_327);
+if (x_335 == 0)
 {
-lean_object* x_533; 
+return x_327;
+}
+else
+{
+lean_object* x_336; lean_object* x_337; lean_object* x_338; 
+x_336 = lean_ctor_get(x_327, 0);
+x_337 = lean_ctor_get(x_327, 1);
+lean_inc(x_337);
+lean_inc(x_336);
+lean_dec(x_327);
+x_338 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_338, 0, x_336);
+lean_ctor_set(x_338, 1, x_337);
+return x_338;
+}
+}
+}
+}
+case 11:
+{
+lean_object* x_359; lean_object* x_360; uint8_t x_375; 
+x_375 = l_Lean_Expr_hasMVar(x_2);
+if (x_375 == 0)
+{
+x_359 = x_2;
+x_360 = x_4;
+goto block_374;
+}
+else
+{
+lean_object* x_376; lean_object* x_377; 
+x_376 = lean_ctor_get(x_4, 2);
+lean_inc(x_376);
+x_377 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_376, x_2);
+lean_dec(x_376);
+if (lean_obj_tag(x_377) == 0)
+{
+lean_object* x_378; 
 lean_inc(x_2);
-x_533 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_533) == 0)
+x_378 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_378) == 0)
 {
-lean_object* x_534; lean_object* x_535; uint8_t x_536; 
-x_534 = lean_ctor_get(x_533, 1);
-lean_inc(x_534);
-x_535 = lean_ctor_get(x_533, 0);
-lean_inc(x_535);
-lean_dec(x_533);
-x_536 = !lean_is_exclusive(x_534);
-if (x_536 == 0)
+lean_object* x_379; lean_object* x_380; uint8_t x_381; 
+x_379 = lean_ctor_get(x_378, 1);
+lean_inc(x_379);
+x_380 = lean_ctor_get(x_378, 0);
+lean_inc(x_380);
+lean_dec(x_378);
+x_381 = !lean_is_exclusive(x_379);
+if (x_381 == 0)
 {
-lean_object* x_537; lean_object* x_538; 
-x_537 = lean_ctor_get(x_534, 2);
-lean_inc(x_535);
-x_538 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_537, x_2, x_535);
-lean_ctor_set(x_534, 2, x_538);
-x_495 = x_535;
-x_496 = x_534;
-goto block_510;
+lean_object* x_382; lean_object* x_383; 
+x_382 = lean_ctor_get(x_379, 2);
+lean_inc(x_380);
+x_383 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_382, x_2, x_380);
+lean_ctor_set(x_379, 2, x_383);
+x_359 = x_380;
+x_360 = x_379;
+goto block_374;
 }
 else
 {
-lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; 
-x_539 = lean_ctor_get(x_534, 0);
-x_540 = lean_ctor_get(x_534, 1);
-x_541 = lean_ctor_get(x_534, 2);
-lean_inc(x_541);
-lean_inc(x_540);
-lean_inc(x_539);
-lean_dec(x_534);
-lean_inc(x_535);
-x_542 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_541, x_2, x_535);
-x_543 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_543, 0, x_539);
-lean_ctor_set(x_543, 1, x_540);
-lean_ctor_set(x_543, 2, x_542);
-x_495 = x_535;
-x_496 = x_543;
-goto block_510;
+lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; lean_object* x_388; 
+x_384 = lean_ctor_get(x_379, 0);
+x_385 = lean_ctor_get(x_379, 1);
+x_386 = lean_ctor_get(x_379, 2);
+lean_inc(x_386);
+lean_inc(x_385);
+lean_inc(x_384);
+lean_dec(x_379);
+lean_inc(x_380);
+x_387 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_386, x_2, x_380);
+x_388 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_388, 0, x_384);
+lean_ctor_set(x_388, 1, x_385);
+lean_ctor_set(x_388, 2, x_387);
+x_359 = x_380;
+x_360 = x_388;
+goto block_374;
 }
 }
 else
 {
-uint8_t x_544; 
+uint8_t x_389; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_544 = !lean_is_exclusive(x_533);
-if (x_544 == 0)
+x_389 = !lean_is_exclusive(x_378);
+if (x_389 == 0)
 {
-return x_533;
+return x_378;
 }
 else
 {
-lean_object* x_545; lean_object* x_546; lean_object* x_547; 
-x_545 = lean_ctor_get(x_533, 0);
-x_546 = lean_ctor_get(x_533, 1);
-lean_inc(x_546);
-lean_inc(x_545);
-lean_dec(x_533);
-x_547 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_547, 0, x_545);
-lean_ctor_set(x_547, 1, x_546);
-return x_547;
+lean_object* x_390; lean_object* x_391; lean_object* x_392; 
+x_390 = lean_ctor_get(x_378, 0);
+x_391 = lean_ctor_get(x_378, 1);
+lean_inc(x_391);
+lean_inc(x_390);
+lean_dec(x_378);
+x_392 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_392, 0, x_390);
+lean_ctor_set(x_392, 1, x_391);
+return x_392;
 }
 }
 }
 else
 {
-lean_object* x_548; 
+lean_object* x_393; 
 lean_dec(x_2);
-x_548 = lean_ctor_get(x_532, 0);
-lean_inc(x_548);
-lean_dec(x_532);
-x_495 = x_548;
-x_496 = x_4;
-goto block_510;
+x_393 = lean_ctor_get(x_377, 0);
+lean_inc(x_393);
+lean_dec(x_377);
+x_359 = x_393;
+x_360 = x_4;
+goto block_374;
 }
 }
-block_510:
+block_374:
 {
-lean_object* x_497; lean_object* x_498; 
-x_497 = lean_unsigned_to_nat(0u);
-x_498 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_497, x_3, x_496);
-if (lean_obj_tag(x_498) == 0)
+lean_object* x_361; lean_object* x_362; 
+x_361 = lean_unsigned_to_nat(0u);
+x_362 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_361, x_3, x_360);
+if (lean_obj_tag(x_362) == 0)
 {
-uint8_t x_499; 
-x_499 = !lean_is_exclusive(x_498);
-if (x_499 == 0)
+uint8_t x_363; 
+x_363 = !lean_is_exclusive(x_362);
+if (x_363 == 0)
 {
-lean_object* x_500; lean_object* x_501; 
-x_500 = lean_ctor_get(x_498, 0);
-x_501 = l_Lean_mkAppRev(x_495, x_500);
-lean_dec(x_500);
-lean_ctor_set(x_498, 0, x_501);
-return x_498;
+lean_object* x_364; lean_object* x_365; 
+x_364 = lean_ctor_get(x_362, 0);
+x_365 = l_Lean_mkAppRev(x_359, x_364);
+lean_dec(x_364);
+lean_ctor_set(x_362, 0, x_365);
+return x_362;
 }
 else
 {
-lean_object* x_502; lean_object* x_503; lean_object* x_504; lean_object* x_505; 
-x_502 = lean_ctor_get(x_498, 0);
-x_503 = lean_ctor_get(x_498, 1);
-lean_inc(x_503);
-lean_inc(x_502);
-lean_dec(x_498);
-x_504 = l_Lean_mkAppRev(x_495, x_502);
-lean_dec(x_502);
-x_505 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_505, 0, x_504);
-lean_ctor_set(x_505, 1, x_503);
-return x_505;
+lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; 
+x_366 = lean_ctor_get(x_362, 0);
+x_367 = lean_ctor_get(x_362, 1);
+lean_inc(x_367);
+lean_inc(x_366);
+lean_dec(x_362);
+x_368 = l_Lean_mkAppRev(x_359, x_366);
+lean_dec(x_366);
+x_369 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_369, 0, x_368);
+lean_ctor_set(x_369, 1, x_367);
+return x_369;
 }
 }
 else
 {
-uint8_t x_506; 
-lean_dec(x_495);
-x_506 = !lean_is_exclusive(x_498);
-if (x_506 == 0)
+uint8_t x_370; 
+lean_dec(x_359);
+x_370 = !lean_is_exclusive(x_362);
+if (x_370 == 0)
 {
-return x_498;
+return x_362;
 }
 else
 {
-lean_object* x_507; lean_object* x_508; lean_object* x_509; 
-x_507 = lean_ctor_get(x_498, 0);
-x_508 = lean_ctor_get(x_498, 1);
-lean_inc(x_508);
-lean_inc(x_507);
-lean_dec(x_498);
-x_509 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_509, 0, x_507);
-lean_ctor_set(x_509, 1, x_508);
-return x_509;
+lean_object* x_371; lean_object* x_372; lean_object* x_373; 
+x_371 = lean_ctor_get(x_362, 0);
+x_372 = lean_ctor_get(x_362, 1);
+lean_inc(x_372);
+lean_inc(x_371);
+lean_dec(x_362);
+x_373 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_373, 0, x_371);
+lean_ctor_set(x_373, 1, x_372);
+return x_373;
 }
 }
 }
 }
 default: 
 {
-lean_object* x_549; lean_object* x_550; uint8_t x_565; 
-x_565 = lean_expr_has_expr_mvar(x_2);
-if (x_565 == 0)
+lean_object* x_394; lean_object* x_395; uint8_t x_410; 
+x_410 = l_Lean_Expr_hasMVar(x_2);
+if (x_410 == 0)
 {
-uint8_t x_566; 
-x_566 = lean_expr_has_level_mvar(x_2);
-if (x_566 == 0)
-{
-x_549 = x_2;
-x_550 = x_4;
-goto block_564;
+x_394 = x_2;
+x_395 = x_4;
+goto block_409;
 }
 else
 {
-lean_object* x_567; lean_object* x_568; 
-x_567 = lean_ctor_get(x_4, 2);
-lean_inc(x_567);
-x_568 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_567, x_2);
-lean_dec(x_567);
-if (lean_obj_tag(x_568) == 0)
+lean_object* x_411; lean_object* x_412; 
+x_411 = lean_ctor_get(x_4, 2);
+lean_inc(x_411);
+x_412 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_411, x_2);
+lean_dec(x_411);
+if (lean_obj_tag(x_412) == 0)
 {
-lean_object* x_569; 
+lean_object* x_413; 
 lean_inc(x_2);
-x_569 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_569) == 0)
+x_413 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
+if (lean_obj_tag(x_413) == 0)
 {
-lean_object* x_570; lean_object* x_571; uint8_t x_572; 
-x_570 = lean_ctor_get(x_569, 1);
-lean_inc(x_570);
-x_571 = lean_ctor_get(x_569, 0);
-lean_inc(x_571);
-lean_dec(x_569);
-x_572 = !lean_is_exclusive(x_570);
-if (x_572 == 0)
+lean_object* x_414; lean_object* x_415; uint8_t x_416; 
+x_414 = lean_ctor_get(x_413, 1);
+lean_inc(x_414);
+x_415 = lean_ctor_get(x_413, 0);
+lean_inc(x_415);
+lean_dec(x_413);
+x_416 = !lean_is_exclusive(x_414);
+if (x_416 == 0)
 {
-lean_object* x_573; lean_object* x_574; 
-x_573 = lean_ctor_get(x_570, 2);
-lean_inc(x_571);
-x_574 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_573, x_2, x_571);
-lean_ctor_set(x_570, 2, x_574);
-x_549 = x_571;
-x_550 = x_570;
-goto block_564;
+lean_object* x_417; lean_object* x_418; 
+x_417 = lean_ctor_get(x_414, 2);
+lean_inc(x_415);
+x_418 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_417, x_2, x_415);
+lean_ctor_set(x_414, 2, x_418);
+x_394 = x_415;
+x_395 = x_414;
+goto block_409;
 }
 else
 {
-lean_object* x_575; lean_object* x_576; lean_object* x_577; lean_object* x_578; lean_object* x_579; 
-x_575 = lean_ctor_get(x_570, 0);
-x_576 = lean_ctor_get(x_570, 1);
-x_577 = lean_ctor_get(x_570, 2);
-lean_inc(x_577);
-lean_inc(x_576);
-lean_inc(x_575);
-lean_dec(x_570);
-lean_inc(x_571);
-x_578 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_577, x_2, x_571);
-x_579 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_579, 0, x_575);
-lean_ctor_set(x_579, 1, x_576);
-lean_ctor_set(x_579, 2, x_578);
-x_549 = x_571;
-x_550 = x_579;
-goto block_564;
+lean_object* x_419; lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; 
+x_419 = lean_ctor_get(x_414, 0);
+x_420 = lean_ctor_get(x_414, 1);
+x_421 = lean_ctor_get(x_414, 2);
+lean_inc(x_421);
+lean_inc(x_420);
+lean_inc(x_419);
+lean_dec(x_414);
+lean_inc(x_415);
+x_422 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_421, x_2, x_415);
+x_423 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_423, 0, x_419);
+lean_ctor_set(x_423, 1, x_420);
+lean_ctor_set(x_423, 2, x_422);
+x_394 = x_415;
+x_395 = x_423;
+goto block_409;
 }
 }
 else
 {
-uint8_t x_580; 
+uint8_t x_424; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_580 = !lean_is_exclusive(x_569);
-if (x_580 == 0)
+x_424 = !lean_is_exclusive(x_413);
+if (x_424 == 0)
 {
-return x_569;
+return x_413;
 }
 else
 {
-lean_object* x_581; lean_object* x_582; lean_object* x_583; 
-x_581 = lean_ctor_get(x_569, 0);
-x_582 = lean_ctor_get(x_569, 1);
-lean_inc(x_582);
-lean_inc(x_581);
-lean_dec(x_569);
-x_583 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_583, 0, x_581);
-lean_ctor_set(x_583, 1, x_582);
-return x_583;
+lean_object* x_425; lean_object* x_426; lean_object* x_427; 
+x_425 = lean_ctor_get(x_413, 0);
+x_426 = lean_ctor_get(x_413, 1);
+lean_inc(x_426);
+lean_inc(x_425);
+lean_dec(x_413);
+x_427 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_427, 0, x_425);
+lean_ctor_set(x_427, 1, x_426);
+return x_427;
 }
 }
 }
 else
 {
-lean_object* x_584; 
+lean_object* x_428; 
 lean_dec(x_2);
-x_584 = lean_ctor_get(x_568, 0);
-lean_inc(x_584);
-lean_dec(x_568);
-x_549 = x_584;
-x_550 = x_4;
-goto block_564;
+x_428 = lean_ctor_get(x_412, 0);
+lean_inc(x_428);
+lean_dec(x_412);
+x_394 = x_428;
+x_395 = x_4;
+goto block_409;
 }
 }
+block_409:
+{
+lean_object* x_396; lean_object* x_397; 
+x_396 = lean_unsigned_to_nat(0u);
+x_397 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_396, x_3, x_395);
+if (lean_obj_tag(x_397) == 0)
+{
+uint8_t x_398; 
+x_398 = !lean_is_exclusive(x_397);
+if (x_398 == 0)
+{
+lean_object* x_399; lean_object* x_400; 
+x_399 = lean_ctor_get(x_397, 0);
+x_400 = l_Lean_mkAppRev(x_394, x_399);
+lean_dec(x_399);
+lean_ctor_set(x_397, 0, x_400);
+return x_397;
+}
+else
+{
+lean_object* x_401; lean_object* x_402; lean_object* x_403; lean_object* x_404; 
+x_401 = lean_ctor_get(x_397, 0);
+x_402 = lean_ctor_get(x_397, 1);
+lean_inc(x_402);
+lean_inc(x_401);
+lean_dec(x_397);
+x_403 = l_Lean_mkAppRev(x_394, x_401);
+lean_dec(x_401);
+x_404 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_404, 0, x_403);
+lean_ctor_set(x_404, 1, x_402);
+return x_404;
+}
 }
 else
 {
-lean_object* x_585; lean_object* x_586; 
-x_585 = lean_ctor_get(x_4, 2);
-lean_inc(x_585);
-x_586 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_585, x_2);
-lean_dec(x_585);
-if (lean_obj_tag(x_586) == 0)
+uint8_t x_405; 
+lean_dec(x_394);
+x_405 = !lean_is_exclusive(x_397);
+if (x_405 == 0)
 {
-lean_object* x_587; 
-lean_inc(x_2);
-x_587 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_4);
-if (lean_obj_tag(x_587) == 0)
-{
-lean_object* x_588; lean_object* x_589; uint8_t x_590; 
-x_588 = lean_ctor_get(x_587, 1);
-lean_inc(x_588);
-x_589 = lean_ctor_get(x_587, 0);
-lean_inc(x_589);
-lean_dec(x_587);
-x_590 = !lean_is_exclusive(x_588);
-if (x_590 == 0)
-{
-lean_object* x_591; lean_object* x_592; 
-x_591 = lean_ctor_get(x_588, 2);
-lean_inc(x_589);
-x_592 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_591, x_2, x_589);
-lean_ctor_set(x_588, 2, x_592);
-x_549 = x_589;
-x_550 = x_588;
-goto block_564;
+return x_397;
 }
 else
 {
-lean_object* x_593; lean_object* x_594; lean_object* x_595; lean_object* x_596; lean_object* x_597; 
-x_593 = lean_ctor_get(x_588, 0);
-x_594 = lean_ctor_get(x_588, 1);
-x_595 = lean_ctor_get(x_588, 2);
-lean_inc(x_595);
-lean_inc(x_594);
-lean_inc(x_593);
-lean_dec(x_588);
-lean_inc(x_589);
-x_596 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_595, x_2, x_589);
-x_597 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_597, 0, x_593);
-lean_ctor_set(x_597, 1, x_594);
-lean_ctor_set(x_597, 2, x_596);
-x_549 = x_589;
-x_550 = x_597;
-goto block_564;
-}
-}
-else
-{
-uint8_t x_598; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_598 = !lean_is_exclusive(x_587);
-if (x_598 == 0)
-{
-return x_587;
-}
-else
-{
-lean_object* x_599; lean_object* x_600; lean_object* x_601; 
-x_599 = lean_ctor_get(x_587, 0);
-x_600 = lean_ctor_get(x_587, 1);
-lean_inc(x_600);
-lean_inc(x_599);
-lean_dec(x_587);
-x_601 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_601, 0, x_599);
-lean_ctor_set(x_601, 1, x_600);
-return x_601;
-}
-}
-}
-else
-{
-lean_object* x_602; 
-lean_dec(x_2);
-x_602 = lean_ctor_get(x_586, 0);
-lean_inc(x_602);
-lean_dec(x_586);
-x_549 = x_602;
-x_550 = x_4;
-goto block_564;
-}
-}
-block_564:
-{
-lean_object* x_551; lean_object* x_552; 
-x_551 = lean_unsigned_to_nat(0u);
-x_552 = l_Array_umapMAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__3(x_1, x_551, x_3, x_550);
-if (lean_obj_tag(x_552) == 0)
-{
-uint8_t x_553; 
-x_553 = !lean_is_exclusive(x_552);
-if (x_553 == 0)
-{
-lean_object* x_554; lean_object* x_555; 
-x_554 = lean_ctor_get(x_552, 0);
-x_555 = l_Lean_mkAppRev(x_549, x_554);
-lean_dec(x_554);
-lean_ctor_set(x_552, 0, x_555);
-return x_552;
-}
-else
-{
-lean_object* x_556; lean_object* x_557; lean_object* x_558; lean_object* x_559; 
-x_556 = lean_ctor_get(x_552, 0);
-x_557 = lean_ctor_get(x_552, 1);
-lean_inc(x_557);
-lean_inc(x_556);
-lean_dec(x_552);
-x_558 = l_Lean_mkAppRev(x_549, x_556);
-lean_dec(x_556);
-x_559 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_559, 0, x_558);
-lean_ctor_set(x_559, 1, x_557);
-return x_559;
-}
-}
-else
-{
-uint8_t x_560; 
-lean_dec(x_549);
-x_560 = !lean_is_exclusive(x_552);
-if (x_560 == 0)
-{
-return x_552;
-}
-else
-{
-lean_object* x_561; lean_object* x_562; lean_object* x_563; 
-x_561 = lean_ctor_get(x_552, 0);
-x_562 = lean_ctor_get(x_552, 1);
-lean_inc(x_562);
-lean_inc(x_561);
-lean_dec(x_552);
-x_563 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_563, 0, x_561);
-lean_ctor_set(x_563, 1, x_562);
-return x_563;
+lean_object* x_406; lean_object* x_407; lean_object* x_408; 
+x_406 = lean_ctor_get(x_397, 0);
+x_407 = lean_ctor_get(x_397, 1);
+lean_inc(x_407);
+lean_inc(x_406);
+lean_dec(x_397);
+x_408 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_408, 0, x_406);
+lean_ctor_set(x_408, 1, x_407);
+return x_408;
 }
 }
 }
@@ -37732,7 +28845,7 @@ lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51;
 x_48 = lean_ctor_get(x_46, 0);
 x_49 = lean_ctor_get(x_46, 1);
 lean_inc(x_48);
-x_50 = lean_expr_mk_mvar(x_48);
+x_50 = l_Lean_mkMVar(x_48);
 lean_inc(x_27);
 x_51 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_20__mkMVarApp___spec__1(x_27, x_38, x_38, x_30, x_50);
 if (x_45 == 0)
@@ -37818,7 +28931,7 @@ lean_inc(x_69);
 lean_inc(x_68);
 lean_dec(x_46);
 lean_inc(x_68);
-x_70 = lean_expr_mk_mvar(x_68);
+x_70 = l_Lean_mkMVar(x_68);
 lean_inc(x_27);
 x_71 = l_Array_iterateMAux___main___at___private_Init_Lean_MetavarContext_20__mkMVarApp___spec__1(x_27, x_38, x_38, x_30, x_70);
 if (x_45 == 0)
@@ -37947,1767 +29060,963 @@ lean_dec(x_2);
 x_91 = lean_ctor_get(x_25, 0);
 lean_inc(x_91);
 lean_dec(x_25);
-x_92 = lean_expr_has_expr_mvar(x_91);
+x_92 = l_Lean_Expr_hasMVar(x_91);
 if (x_92 == 0)
 {
-uint8_t x_93; 
-x_93 = lean_expr_has_level_mvar(x_91);
-if (x_93 == 0)
+lean_object* x_93; 
+lean_dec(x_24);
+x_93 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_3);
+return x_93;
+}
+else
 {
 lean_object* x_94; 
+x_94 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_24, x_91);
 lean_dec(x_24);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_91);
-lean_ctor_set(x_94, 1, x_3);
-return x_94;
-}
-else
+if (lean_obj_tag(x_94) == 0)
 {
 lean_object* x_95; 
-x_95 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_24, x_91);
-lean_dec(x_24);
+lean_inc(x_91);
+x_95 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_91, x_3);
 if (lean_obj_tag(x_95) == 0)
 {
-lean_object* x_96; 
-lean_inc(x_91);
-x_96 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_91, x_3);
-if (lean_obj_tag(x_96) == 0)
+uint8_t x_96; 
+x_96 = !lean_is_exclusive(x_95);
+if (x_96 == 0)
 {
-uint8_t x_97; 
-x_97 = !lean_is_exclusive(x_96);
-if (x_97 == 0)
+lean_object* x_97; uint8_t x_98; 
+x_97 = lean_ctor_get(x_95, 1);
+x_98 = !lean_is_exclusive(x_97);
+if (x_98 == 0)
 {
-lean_object* x_98; uint8_t x_99; 
-x_98 = lean_ctor_get(x_96, 1);
-x_99 = !lean_is_exclusive(x_98);
-if (x_99 == 0)
-{
-lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_100 = lean_ctor_get(x_96, 0);
-x_101 = lean_ctor_get(x_98, 2);
-lean_inc(x_100);
-x_102 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_101, x_91, x_100);
-lean_ctor_set(x_98, 2, x_102);
-return x_96;
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_95, 0);
+x_100 = lean_ctor_get(x_97, 2);
+lean_inc(x_99);
+x_101 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_100, x_91, x_99);
+lean_ctor_set(x_97, 2, x_101);
+return x_95;
 }
 else
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_103 = lean_ctor_get(x_96, 0);
-x_104 = lean_ctor_get(x_98, 0);
-x_105 = lean_ctor_get(x_98, 1);
-x_106 = lean_ctor_get(x_98, 2);
-lean_inc(x_106);
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_102 = lean_ctor_get(x_95, 0);
+x_103 = lean_ctor_get(x_97, 0);
+x_104 = lean_ctor_get(x_97, 1);
+x_105 = lean_ctor_get(x_97, 2);
 lean_inc(x_105);
 lean_inc(x_104);
-lean_dec(x_98);
 lean_inc(x_103);
-x_107 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_106, x_91, x_103);
-x_108 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_108, 0, x_104);
-lean_ctor_set(x_108, 1, x_105);
-lean_ctor_set(x_108, 2, x_107);
-lean_ctor_set(x_96, 1, x_108);
-return x_96;
+lean_dec(x_97);
+lean_inc(x_102);
+x_106 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_105, x_91, x_102);
+x_107 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_107, 0, x_103);
+lean_ctor_set(x_107, 1, x_104);
+lean_ctor_set(x_107, 2, x_106);
+lean_ctor_set(x_95, 1, x_107);
+return x_95;
 }
 }
 else
 {
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-x_109 = lean_ctor_get(x_96, 1);
-x_110 = lean_ctor_get(x_96, 0);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_108 = lean_ctor_get(x_95, 1);
+x_109 = lean_ctor_get(x_95, 0);
+lean_inc(x_108);
 lean_inc(x_109);
-lean_inc(x_110);
-lean_dec(x_96);
-x_111 = lean_ctor_get(x_109, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_109, 1);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_109, 2);
-lean_inc(x_113);
-if (lean_is_exclusive(x_109)) {
- lean_ctor_release(x_109, 0);
- lean_ctor_release(x_109, 1);
- lean_ctor_release(x_109, 2);
- x_114 = x_109;
-} else {
- lean_dec_ref(x_109);
- x_114 = lean_box(0);
-}
-lean_inc(x_110);
-x_115 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_113, x_91, x_110);
-if (lean_is_scalar(x_114)) {
- x_116 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_116 = x_114;
-}
-lean_ctor_set(x_116, 0, x_111);
-lean_ctor_set(x_116, 1, x_112);
-lean_ctor_set(x_116, 2, x_115);
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_110);
-lean_ctor_set(x_117, 1, x_116);
-return x_117;
-}
-}
-else
-{
-uint8_t x_118; 
-lean_dec(x_91);
-x_118 = !lean_is_exclusive(x_96);
-if (x_118 == 0)
-{
-return x_96;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_96, 0);
-x_120 = lean_ctor_get(x_96, 1);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_96);
-x_121 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_121, 0, x_119);
-lean_ctor_set(x_121, 1, x_120);
-return x_121;
-}
-}
-}
-else
-{
-lean_object* x_122; lean_object* x_123; 
-lean_dec(x_91);
-x_122 = lean_ctor_get(x_95, 0);
-lean_inc(x_122);
 lean_dec(x_95);
-x_123 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_123, 0, x_122);
-lean_ctor_set(x_123, 1, x_3);
-return x_123;
-}
-}
-}
-else
-{
-lean_object* x_124; 
-x_124 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_24, x_91);
-lean_dec(x_24);
-if (lean_obj_tag(x_124) == 0)
-{
-lean_object* x_125; 
-lean_inc(x_91);
-x_125 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_91, x_3);
-if (lean_obj_tag(x_125) == 0)
-{
-uint8_t x_126; 
-x_126 = !lean_is_exclusive(x_125);
-if (x_126 == 0)
-{
-lean_object* x_127; uint8_t x_128; 
-x_127 = lean_ctor_get(x_125, 1);
-x_128 = !lean_is_exclusive(x_127);
-if (x_128 == 0)
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_125, 0);
-x_130 = lean_ctor_get(x_127, 2);
-lean_inc(x_129);
-x_131 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_130, x_91, x_129);
-lean_ctor_set(x_127, 2, x_131);
-return x_125;
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_132 = lean_ctor_get(x_125, 0);
-x_133 = lean_ctor_get(x_127, 0);
-x_134 = lean_ctor_get(x_127, 1);
-x_135 = lean_ctor_get(x_127, 2);
-lean_inc(x_135);
-lean_inc(x_134);
-lean_inc(x_133);
-lean_dec(x_127);
-lean_inc(x_132);
-x_136 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_135, x_91, x_132);
-x_137 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_137, 0, x_133);
-lean_ctor_set(x_137, 1, x_134);
-lean_ctor_set(x_137, 2, x_136);
-lean_ctor_set(x_125, 1, x_137);
-return x_125;
-}
-}
-else
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_138 = lean_ctor_get(x_125, 1);
-x_139 = lean_ctor_get(x_125, 0);
-lean_inc(x_138);
-lean_inc(x_139);
-lean_dec(x_125);
-x_140 = lean_ctor_get(x_138, 0);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_138, 1);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_138, 2);
-lean_inc(x_142);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- lean_ctor_release(x_138, 2);
- x_143 = x_138;
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_108, 1);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_108, 2);
+lean_inc(x_112);
+if (lean_is_exclusive(x_108)) {
+ lean_ctor_release(x_108, 0);
+ lean_ctor_release(x_108, 1);
+ lean_ctor_release(x_108, 2);
+ x_113 = x_108;
 } else {
- lean_dec_ref(x_138);
- x_143 = lean_box(0);
+ lean_dec_ref(x_108);
+ x_113 = lean_box(0);
 }
-lean_inc(x_139);
-x_144 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_142, x_91, x_139);
-if (lean_is_scalar(x_143)) {
- x_145 = lean_alloc_ctor(0, 3, 0);
+lean_inc(x_109);
+x_114 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_112, x_91, x_109);
+if (lean_is_scalar(x_113)) {
+ x_115 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_145 = x_143;
+ x_115 = x_113;
 }
-lean_ctor_set(x_145, 0, x_140);
-lean_ctor_set(x_145, 1, x_141);
-lean_ctor_set(x_145, 2, x_144);
-x_146 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_146, 0, x_139);
-lean_ctor_set(x_146, 1, x_145);
-return x_146;
+lean_ctor_set(x_115, 0, x_110);
+lean_ctor_set(x_115, 1, x_111);
+lean_ctor_set(x_115, 2, x_114);
+x_116 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_116, 0, x_109);
+lean_ctor_set(x_116, 1, x_115);
+return x_116;
 }
 }
 else
 {
-uint8_t x_147; 
+uint8_t x_117; 
 lean_dec(x_91);
-x_147 = !lean_is_exclusive(x_125);
-if (x_147 == 0)
+x_117 = !lean_is_exclusive(x_95);
+if (x_117 == 0)
 {
-return x_125;
+return x_95;
 }
 else
 {
-lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_148 = lean_ctor_get(x_125, 0);
-x_149 = lean_ctor_get(x_125, 1);
-lean_inc(x_149);
-lean_inc(x_148);
-lean_dec(x_125);
-x_150 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_150, 0, x_148);
-lean_ctor_set(x_150, 1, x_149);
-return x_150;
+lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_118 = lean_ctor_get(x_95, 0);
+x_119 = lean_ctor_get(x_95, 1);
+lean_inc(x_119);
+lean_inc(x_118);
+lean_dec(x_95);
+x_120 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_120, 0, x_118);
+lean_ctor_set(x_120, 1, x_119);
+return x_120;
 }
 }
 }
 else
 {
-lean_object* x_151; lean_object* x_152; 
+lean_object* x_121; lean_object* x_122; 
 lean_dec(x_91);
-x_151 = lean_ctor_get(x_124, 0);
-lean_inc(x_151);
-lean_dec(x_124);
-x_152 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_152, 0, x_151);
-lean_ctor_set(x_152, 1, x_3);
-return x_152;
+x_121 = lean_ctor_get(x_94, 0);
+lean_inc(x_121);
+lean_dec(x_94);
+x_122 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_122, 0, x_121);
+lean_ctor_set(x_122, 1, x_3);
+return x_122;
 }
 }
 }
 }
 case 5:
 {
-lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-x_153 = lean_unsigned_to_nat(0u);
-x_154 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_153);
-x_155 = lean_mk_empty_array_with_capacity(x_154);
-lean_dec(x_154);
-x_156 = l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(x_1, x_2, x_155, x_3);
-return x_156;
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_123 = lean_unsigned_to_nat(0u);
+x_124 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_123);
+x_125 = lean_mk_empty_array_with_capacity(x_124);
+lean_dec(x_124);
+x_126 = l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(x_1, x_2, x_125, x_3);
+return x_126;
 }
 case 6:
 {
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_210; 
-x_157 = lean_ctor_get(x_2, 1);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_2, 2);
-lean_inc(x_158);
-x_210 = lean_expr_has_expr_mvar(x_157);
-if (x_210 == 0)
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_162; 
+x_127 = lean_ctor_get(x_2, 1);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_2, 2);
+lean_inc(x_128);
+x_162 = l_Lean_Expr_hasMVar(x_127);
+if (x_162 == 0)
 {
-uint8_t x_211; 
-x_211 = lean_expr_has_level_mvar(x_157);
-if (x_211 == 0)
-{
-x_159 = x_157;
-x_160 = x_3;
-goto block_209;
+x_129 = x_127;
+x_130 = x_3;
+goto block_161;
 }
 else
 {
-lean_object* x_212; lean_object* x_213; 
-x_212 = lean_ctor_get(x_3, 2);
-lean_inc(x_212);
-x_213 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_212, x_157);
-lean_dec(x_212);
-if (lean_obj_tag(x_213) == 0)
+lean_object* x_163; lean_object* x_164; 
+x_163 = lean_ctor_get(x_3, 2);
+lean_inc(x_163);
+x_164 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_163, x_127);
+lean_dec(x_163);
+if (lean_obj_tag(x_164) == 0)
 {
-lean_object* x_214; 
-lean_inc(x_157);
-x_214 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_157, x_3);
-if (lean_obj_tag(x_214) == 0)
+lean_object* x_165; 
+lean_inc(x_127);
+x_165 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_127, x_3);
+if (lean_obj_tag(x_165) == 0)
 {
-lean_object* x_215; lean_object* x_216; uint8_t x_217; 
-x_215 = lean_ctor_get(x_214, 1);
-lean_inc(x_215);
-x_216 = lean_ctor_get(x_214, 0);
-lean_inc(x_216);
-lean_dec(x_214);
-x_217 = !lean_is_exclusive(x_215);
-if (x_217 == 0)
+lean_object* x_166; lean_object* x_167; uint8_t x_168; 
+x_166 = lean_ctor_get(x_165, 1);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_165, 0);
+lean_inc(x_167);
+lean_dec(x_165);
+x_168 = !lean_is_exclusive(x_166);
+if (x_168 == 0)
 {
-lean_object* x_218; lean_object* x_219; 
-x_218 = lean_ctor_get(x_215, 2);
-lean_inc(x_216);
-x_219 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_218, x_157, x_216);
-lean_ctor_set(x_215, 2, x_219);
-x_159 = x_216;
-x_160 = x_215;
-goto block_209;
+lean_object* x_169; lean_object* x_170; 
+x_169 = lean_ctor_get(x_166, 2);
+lean_inc(x_167);
+x_170 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_169, x_127, x_167);
+lean_ctor_set(x_166, 2, x_170);
+x_129 = x_167;
+x_130 = x_166;
+goto block_161;
 }
 else
 {
-lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_220 = lean_ctor_get(x_215, 0);
-x_221 = lean_ctor_get(x_215, 1);
-x_222 = lean_ctor_get(x_215, 2);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_215);
-lean_inc(x_216);
-x_223 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_222, x_157, x_216);
-x_224 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_224, 0, x_220);
-lean_ctor_set(x_224, 1, x_221);
-lean_ctor_set(x_224, 2, x_223);
-x_159 = x_216;
-x_160 = x_224;
-goto block_209;
-}
-}
-else
-{
-uint8_t x_225; 
-lean_dec(x_158);
-lean_dec(x_157);
-lean_dec(x_2);
-x_225 = !lean_is_exclusive(x_214);
-if (x_225 == 0)
-{
-return x_214;
-}
-else
-{
-lean_object* x_226; lean_object* x_227; lean_object* x_228; 
-x_226 = lean_ctor_get(x_214, 0);
-x_227 = lean_ctor_get(x_214, 1);
-lean_inc(x_227);
-lean_inc(x_226);
-lean_dec(x_214);
-x_228 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_228, 0, x_226);
-lean_ctor_set(x_228, 1, x_227);
-return x_228;
-}
-}
-}
-else
-{
-lean_object* x_229; 
-lean_dec(x_157);
-x_229 = lean_ctor_get(x_213, 0);
-lean_inc(x_229);
-lean_dec(x_213);
-x_159 = x_229;
-x_160 = x_3;
-goto block_209;
-}
-}
-}
-else
-{
-lean_object* x_230; lean_object* x_231; 
-x_230 = lean_ctor_get(x_3, 2);
-lean_inc(x_230);
-x_231 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_230, x_157);
-lean_dec(x_230);
-if (lean_obj_tag(x_231) == 0)
-{
-lean_object* x_232; 
-lean_inc(x_157);
-x_232 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_157, x_3);
-if (lean_obj_tag(x_232) == 0)
-{
-lean_object* x_233; lean_object* x_234; uint8_t x_235; 
-x_233 = lean_ctor_get(x_232, 1);
-lean_inc(x_233);
-x_234 = lean_ctor_get(x_232, 0);
-lean_inc(x_234);
-lean_dec(x_232);
-x_235 = !lean_is_exclusive(x_233);
-if (x_235 == 0)
-{
-lean_object* x_236; lean_object* x_237; 
-x_236 = lean_ctor_get(x_233, 2);
-lean_inc(x_234);
-x_237 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_236, x_157, x_234);
-lean_ctor_set(x_233, 2, x_237);
-x_159 = x_234;
-x_160 = x_233;
-goto block_209;
-}
-else
-{
-lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_238 = lean_ctor_get(x_233, 0);
-x_239 = lean_ctor_get(x_233, 1);
-x_240 = lean_ctor_get(x_233, 2);
-lean_inc(x_240);
-lean_inc(x_239);
-lean_inc(x_238);
-lean_dec(x_233);
-lean_inc(x_234);
-x_241 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_240, x_157, x_234);
-x_242 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_242, 0, x_238);
-lean_ctor_set(x_242, 1, x_239);
-lean_ctor_set(x_242, 2, x_241);
-x_159 = x_234;
-x_160 = x_242;
-goto block_209;
-}
-}
-else
-{
-uint8_t x_243; 
-lean_dec(x_158);
-lean_dec(x_157);
-lean_dec(x_2);
-x_243 = !lean_is_exclusive(x_232);
-if (x_243 == 0)
-{
-return x_232;
-}
-else
-{
-lean_object* x_244; lean_object* x_245; lean_object* x_246; 
-x_244 = lean_ctor_get(x_232, 0);
-x_245 = lean_ctor_get(x_232, 1);
-lean_inc(x_245);
-lean_inc(x_244);
-lean_dec(x_232);
-x_246 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_246, 0, x_244);
-lean_ctor_set(x_246, 1, x_245);
-return x_246;
-}
-}
-}
-else
-{
-lean_object* x_247; 
-lean_dec(x_157);
-x_247 = lean_ctor_get(x_231, 0);
-lean_inc(x_247);
-lean_dec(x_231);
-x_159 = x_247;
-x_160 = x_3;
-goto block_209;
-}
-}
-block_209:
-{
-lean_object* x_161; lean_object* x_162; uint8_t x_171; 
-x_171 = lean_expr_has_expr_mvar(x_158);
-if (x_171 == 0)
-{
-uint8_t x_172; 
-x_172 = lean_expr_has_level_mvar(x_158);
-if (x_172 == 0)
-{
-x_161 = x_158;
-x_162 = x_160;
-goto block_170;
-}
-else
-{
-lean_object* x_173; lean_object* x_174; 
-x_173 = lean_ctor_get(x_160, 2);
+lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; 
+x_171 = lean_ctor_get(x_166, 0);
+x_172 = lean_ctor_get(x_166, 1);
+x_173 = lean_ctor_get(x_166, 2);
 lean_inc(x_173);
-x_174 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_173, x_158);
-lean_dec(x_173);
-if (lean_obj_tag(x_174) == 0)
-{
-lean_object* x_175; 
-lean_inc(x_158);
-x_175 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_158, x_160);
-if (lean_obj_tag(x_175) == 0)
-{
-lean_object* x_176; lean_object* x_177; uint8_t x_178; 
-x_176 = lean_ctor_get(x_175, 1);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_175, 0);
-lean_inc(x_177);
-lean_dec(x_175);
-x_178 = !lean_is_exclusive(x_176);
-if (x_178 == 0)
-{
-lean_object* x_179; lean_object* x_180; 
-x_179 = lean_ctor_get(x_176, 2);
-lean_inc(x_177);
-x_180 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_179, x_158, x_177);
-lean_ctor_set(x_176, 2, x_180);
-x_161 = x_177;
-x_162 = x_176;
-goto block_170;
-}
-else
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_181 = lean_ctor_get(x_176, 0);
-x_182 = lean_ctor_get(x_176, 1);
-x_183 = lean_ctor_get(x_176, 2);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_inc(x_181);
-lean_dec(x_176);
-lean_inc(x_177);
-x_184 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_183, x_158, x_177);
-x_185 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_185, 0, x_181);
-lean_ctor_set(x_185, 1, x_182);
-lean_ctor_set(x_185, 2, x_184);
-x_161 = x_177;
-x_162 = x_185;
-goto block_170;
+lean_inc(x_172);
+lean_inc(x_171);
+lean_dec(x_166);
+lean_inc(x_167);
+x_174 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_173, x_127, x_167);
+x_175 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_175, 0, x_171);
+lean_ctor_set(x_175, 1, x_172);
+lean_ctor_set(x_175, 2, x_174);
+x_129 = x_167;
+x_130 = x_175;
+goto block_161;
 }
 }
 else
 {
-uint8_t x_186; 
-lean_dec(x_159);
-lean_dec(x_158);
+uint8_t x_176; 
+lean_dec(x_128);
+lean_dec(x_127);
 lean_dec(x_2);
-x_186 = !lean_is_exclusive(x_175);
-if (x_186 == 0)
+x_176 = !lean_is_exclusive(x_165);
+if (x_176 == 0)
 {
-return x_175;
-}
-else
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_187 = lean_ctor_get(x_175, 0);
-x_188 = lean_ctor_get(x_175, 1);
-lean_inc(x_188);
-lean_inc(x_187);
-lean_dec(x_175);
-x_189 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_189, 0, x_187);
-lean_ctor_set(x_189, 1, x_188);
-return x_189;
-}
-}
-}
-else
-{
-lean_object* x_190; 
-lean_dec(x_158);
-x_190 = lean_ctor_get(x_174, 0);
-lean_inc(x_190);
-lean_dec(x_174);
-x_161 = x_190;
-x_162 = x_160;
-goto block_170;
-}
-}
-}
-else
-{
-lean_object* x_191; lean_object* x_192; 
-x_191 = lean_ctor_get(x_160, 2);
-lean_inc(x_191);
-x_192 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_191, x_158);
-lean_dec(x_191);
-if (lean_obj_tag(x_192) == 0)
-{
-lean_object* x_193; 
-lean_inc(x_158);
-x_193 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_158, x_160);
-if (lean_obj_tag(x_193) == 0)
-{
-lean_object* x_194; lean_object* x_195; uint8_t x_196; 
-x_194 = lean_ctor_get(x_193, 1);
-lean_inc(x_194);
-x_195 = lean_ctor_get(x_193, 0);
-lean_inc(x_195);
-lean_dec(x_193);
-x_196 = !lean_is_exclusive(x_194);
-if (x_196 == 0)
-{
-lean_object* x_197; lean_object* x_198; 
-x_197 = lean_ctor_get(x_194, 2);
-lean_inc(x_195);
-x_198 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_197, x_158, x_195);
-lean_ctor_set(x_194, 2, x_198);
-x_161 = x_195;
-x_162 = x_194;
-goto block_170;
-}
-else
-{
-lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_199 = lean_ctor_get(x_194, 0);
-x_200 = lean_ctor_get(x_194, 1);
-x_201 = lean_ctor_get(x_194, 2);
-lean_inc(x_201);
-lean_inc(x_200);
-lean_inc(x_199);
-lean_dec(x_194);
-lean_inc(x_195);
-x_202 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_201, x_158, x_195);
-x_203 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_203, 0, x_199);
-lean_ctor_set(x_203, 1, x_200);
-lean_ctor_set(x_203, 2, x_202);
-x_161 = x_195;
-x_162 = x_203;
-goto block_170;
-}
-}
-else
-{
-uint8_t x_204; 
-lean_dec(x_159);
-lean_dec(x_158);
-lean_dec(x_2);
-x_204 = !lean_is_exclusive(x_193);
-if (x_204 == 0)
-{
-return x_193;
-}
-else
-{
-lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_205 = lean_ctor_get(x_193, 0);
-x_206 = lean_ctor_get(x_193, 1);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_dec(x_193);
-x_207 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_207, 0, x_205);
-lean_ctor_set(x_207, 1, x_206);
-return x_207;
-}
-}
-}
-else
-{
-lean_object* x_208; 
-lean_dec(x_158);
-x_208 = lean_ctor_get(x_192, 0);
-lean_inc(x_208);
-lean_dec(x_192);
-x_161 = x_208;
-x_162 = x_160;
-goto block_170;
-}
-}
-block_170:
-{
-if (lean_obj_tag(x_2) == 6)
-{
-uint8_t x_163; lean_object* x_164; lean_object* x_165; 
-x_163 = lean_ctor_get_uint8(x_2, sizeof(void*)*3);
-x_164 = lean_expr_update_lambda(x_2, x_163, x_159, x_161);
-x_165 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_165, 0, x_164);
-lean_ctor_set(x_165, 1, x_162);
 return x_165;
 }
 else
 {
-lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-lean_dec(x_161);
-lean_dec(x_159);
+lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+x_177 = lean_ctor_get(x_165, 0);
+x_178 = lean_ctor_get(x_165, 1);
+lean_inc(x_178);
+lean_inc(x_177);
+lean_dec(x_165);
+x_179 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_179, 0, x_177);
+lean_ctor_set(x_179, 1, x_178);
+return x_179;
+}
+}
+}
+else
+{
+lean_object* x_180; 
+lean_dec(x_127);
+x_180 = lean_ctor_get(x_164, 0);
+lean_inc(x_180);
+lean_dec(x_164);
+x_129 = x_180;
+x_130 = x_3;
+goto block_161;
+}
+}
+block_161:
+{
+lean_object* x_131; lean_object* x_132; uint8_t x_142; 
+x_142 = l_Lean_Expr_hasMVar(x_128);
+if (x_142 == 0)
+{
+x_131 = x_128;
+x_132 = x_130;
+goto block_141;
+}
+else
+{
+lean_object* x_143; lean_object* x_144; 
+x_143 = lean_ctor_get(x_130, 2);
+lean_inc(x_143);
+x_144 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_143, x_128);
+lean_dec(x_143);
+if (lean_obj_tag(x_144) == 0)
+{
+lean_object* x_145; 
+lean_inc(x_128);
+x_145 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_128, x_130);
+if (lean_obj_tag(x_145) == 0)
+{
+lean_object* x_146; lean_object* x_147; uint8_t x_148; 
+x_146 = lean_ctor_get(x_145, 1);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_145, 0);
+lean_inc(x_147);
+lean_dec(x_145);
+x_148 = !lean_is_exclusive(x_146);
+if (x_148 == 0)
+{
+lean_object* x_149; lean_object* x_150; 
+x_149 = lean_ctor_get(x_146, 2);
+lean_inc(x_147);
+x_150 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_149, x_128, x_147);
+lean_ctor_set(x_146, 2, x_150);
+x_131 = x_147;
+x_132 = x_146;
+goto block_141;
+}
+else
+{
+lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_151 = lean_ctor_get(x_146, 0);
+x_152 = lean_ctor_get(x_146, 1);
+x_153 = lean_ctor_get(x_146, 2);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_inc(x_151);
+lean_dec(x_146);
+lean_inc(x_147);
+x_154 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_153, x_128, x_147);
+x_155 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_155, 0, x_151);
+lean_ctor_set(x_155, 1, x_152);
+lean_ctor_set(x_155, 2, x_154);
+x_131 = x_147;
+x_132 = x_155;
+goto block_141;
+}
+}
+else
+{
+uint8_t x_156; 
+lean_dec(x_129);
+lean_dec(x_128);
 lean_dec(x_2);
-x_166 = l_Lean_Expr_inhabited;
-x_167 = l_Lean_Expr_updateLambdaE_x21___closed__1;
-x_168 = lean_panic_fn(x_167);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_162);
-return x_169;
+x_156 = !lean_is_exclusive(x_145);
+if (x_156 == 0)
+{
+return x_145;
+}
+else
+{
+lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_157 = lean_ctor_get(x_145, 0);
+x_158 = lean_ctor_get(x_145, 1);
+lean_inc(x_158);
+lean_inc(x_157);
+lean_dec(x_145);
+x_159 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_159, 0, x_157);
+lean_ctor_set(x_159, 1, x_158);
+return x_159;
+}
+}
+}
+else
+{
+lean_object* x_160; 
+lean_dec(x_128);
+x_160 = lean_ctor_get(x_144, 0);
+lean_inc(x_160);
+lean_dec(x_144);
+x_131 = x_160;
+x_132 = x_130;
+goto block_141;
+}
+}
+block_141:
+{
+if (lean_obj_tag(x_2) == 6)
+{
+uint64_t x_133; uint8_t x_134; lean_object* x_135; lean_object* x_136; 
+x_133 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
+x_134 = (uint8_t)((x_133 << 24) >> 61);
+x_135 = lean_expr_update_lambda(x_2, x_134, x_129, x_131);
+x_136 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_136, 0, x_135);
+lean_ctor_set(x_136, 1, x_132);
+return x_136;
+}
+else
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+lean_dec(x_131);
+lean_dec(x_129);
+lean_dec(x_2);
+x_137 = l_Lean_Expr_Inhabited;
+x_138 = l_Lean_Expr_updateLambdaE_x21___closed__1;
+x_139 = lean_panic_fn(x_138);
+x_140 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_140, 0, x_139);
+lean_ctor_set(x_140, 1, x_132);
+return x_140;
 }
 }
 }
 }
 case 7:
 {
-lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; uint8_t x_301; 
-x_248 = lean_ctor_get(x_2, 1);
-lean_inc(x_248);
-x_249 = lean_ctor_get(x_2, 2);
-lean_inc(x_249);
-x_301 = lean_expr_has_expr_mvar(x_248);
-if (x_301 == 0)
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_216; 
+x_181 = lean_ctor_get(x_2, 1);
+lean_inc(x_181);
+x_182 = lean_ctor_get(x_2, 2);
+lean_inc(x_182);
+x_216 = l_Lean_Expr_hasMVar(x_181);
+if (x_216 == 0)
 {
-uint8_t x_302; 
-x_302 = lean_expr_has_level_mvar(x_248);
-if (x_302 == 0)
-{
-x_250 = x_248;
-x_251 = x_3;
-goto block_300;
+x_183 = x_181;
+x_184 = x_3;
+goto block_215;
 }
 else
 {
-lean_object* x_303; lean_object* x_304; 
-x_303 = lean_ctor_get(x_3, 2);
-lean_inc(x_303);
-x_304 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_303, x_248);
-lean_dec(x_303);
-if (lean_obj_tag(x_304) == 0)
+lean_object* x_217; lean_object* x_218; 
+x_217 = lean_ctor_get(x_3, 2);
+lean_inc(x_217);
+x_218 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_217, x_181);
+lean_dec(x_217);
+if (lean_obj_tag(x_218) == 0)
 {
-lean_object* x_305; 
-lean_inc(x_248);
-x_305 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_248, x_3);
-if (lean_obj_tag(x_305) == 0)
+lean_object* x_219; 
+lean_inc(x_181);
+x_219 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_181, x_3);
+if (lean_obj_tag(x_219) == 0)
 {
-lean_object* x_306; lean_object* x_307; uint8_t x_308; 
-x_306 = lean_ctor_get(x_305, 1);
-lean_inc(x_306);
-x_307 = lean_ctor_get(x_305, 0);
-lean_inc(x_307);
-lean_dec(x_305);
-x_308 = !lean_is_exclusive(x_306);
-if (x_308 == 0)
+lean_object* x_220; lean_object* x_221; uint8_t x_222; 
+x_220 = lean_ctor_get(x_219, 1);
+lean_inc(x_220);
+x_221 = lean_ctor_get(x_219, 0);
+lean_inc(x_221);
+lean_dec(x_219);
+x_222 = !lean_is_exclusive(x_220);
+if (x_222 == 0)
 {
-lean_object* x_309; lean_object* x_310; 
-x_309 = lean_ctor_get(x_306, 2);
-lean_inc(x_307);
-x_310 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_309, x_248, x_307);
-lean_ctor_set(x_306, 2, x_310);
-x_250 = x_307;
-x_251 = x_306;
-goto block_300;
+lean_object* x_223; lean_object* x_224; 
+x_223 = lean_ctor_get(x_220, 2);
+lean_inc(x_221);
+x_224 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_223, x_181, x_221);
+lean_ctor_set(x_220, 2, x_224);
+x_183 = x_221;
+x_184 = x_220;
+goto block_215;
 }
 else
 {
-lean_object* x_311; lean_object* x_312; lean_object* x_313; lean_object* x_314; lean_object* x_315; 
-x_311 = lean_ctor_get(x_306, 0);
-x_312 = lean_ctor_get(x_306, 1);
-x_313 = lean_ctor_get(x_306, 2);
-lean_inc(x_313);
-lean_inc(x_312);
-lean_inc(x_311);
-lean_dec(x_306);
-lean_inc(x_307);
-x_314 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_313, x_248, x_307);
-x_315 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_315, 0, x_311);
-lean_ctor_set(x_315, 1, x_312);
-lean_ctor_set(x_315, 2, x_314);
-x_250 = x_307;
-x_251 = x_315;
-goto block_300;
+lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+x_225 = lean_ctor_get(x_220, 0);
+x_226 = lean_ctor_get(x_220, 1);
+x_227 = lean_ctor_get(x_220, 2);
+lean_inc(x_227);
+lean_inc(x_226);
+lean_inc(x_225);
+lean_dec(x_220);
+lean_inc(x_221);
+x_228 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_227, x_181, x_221);
+x_229 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_229, 0, x_225);
+lean_ctor_set(x_229, 1, x_226);
+lean_ctor_set(x_229, 2, x_228);
+x_183 = x_221;
+x_184 = x_229;
+goto block_215;
 }
 }
 else
 {
-uint8_t x_316; 
-lean_dec(x_249);
-lean_dec(x_248);
+uint8_t x_230; 
+lean_dec(x_182);
+lean_dec(x_181);
 lean_dec(x_2);
-x_316 = !lean_is_exclusive(x_305);
-if (x_316 == 0)
+x_230 = !lean_is_exclusive(x_219);
+if (x_230 == 0)
 {
-return x_305;
+return x_219;
 }
 else
 {
-lean_object* x_317; lean_object* x_318; lean_object* x_319; 
-x_317 = lean_ctor_get(x_305, 0);
-x_318 = lean_ctor_get(x_305, 1);
-lean_inc(x_318);
-lean_inc(x_317);
-lean_dec(x_305);
-x_319 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_319, 0, x_317);
-lean_ctor_set(x_319, 1, x_318);
-return x_319;
+lean_object* x_231; lean_object* x_232; lean_object* x_233; 
+x_231 = lean_ctor_get(x_219, 0);
+x_232 = lean_ctor_get(x_219, 1);
+lean_inc(x_232);
+lean_inc(x_231);
+lean_dec(x_219);
+x_233 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_233, 0, x_231);
+lean_ctor_set(x_233, 1, x_232);
+return x_233;
 }
 }
 }
 else
 {
-lean_object* x_320; 
-lean_dec(x_248);
-x_320 = lean_ctor_get(x_304, 0);
-lean_inc(x_320);
-lean_dec(x_304);
-x_250 = x_320;
-x_251 = x_3;
-goto block_300;
+lean_object* x_234; 
+lean_dec(x_181);
+x_234 = lean_ctor_get(x_218, 0);
+lean_inc(x_234);
+lean_dec(x_218);
+x_183 = x_234;
+x_184 = x_3;
+goto block_215;
 }
 }
+block_215:
+{
+lean_object* x_185; lean_object* x_186; uint8_t x_196; 
+x_196 = l_Lean_Expr_hasMVar(x_182);
+if (x_196 == 0)
+{
+x_185 = x_182;
+x_186 = x_184;
+goto block_195;
+}
+else
+{
+lean_object* x_197; lean_object* x_198; 
+x_197 = lean_ctor_get(x_184, 2);
+lean_inc(x_197);
+x_198 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_197, x_182);
+lean_dec(x_197);
+if (lean_obj_tag(x_198) == 0)
+{
+lean_object* x_199; 
+lean_inc(x_182);
+x_199 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_182, x_184);
+if (lean_obj_tag(x_199) == 0)
+{
+lean_object* x_200; lean_object* x_201; uint8_t x_202; 
+x_200 = lean_ctor_get(x_199, 1);
+lean_inc(x_200);
+x_201 = lean_ctor_get(x_199, 0);
+lean_inc(x_201);
+lean_dec(x_199);
+x_202 = !lean_is_exclusive(x_200);
+if (x_202 == 0)
+{
+lean_object* x_203; lean_object* x_204; 
+x_203 = lean_ctor_get(x_200, 2);
+lean_inc(x_201);
+x_204 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_203, x_182, x_201);
+lean_ctor_set(x_200, 2, x_204);
+x_185 = x_201;
+x_186 = x_200;
+goto block_195;
+}
+else
+{
+lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; 
+x_205 = lean_ctor_get(x_200, 0);
+x_206 = lean_ctor_get(x_200, 1);
+x_207 = lean_ctor_get(x_200, 2);
+lean_inc(x_207);
+lean_inc(x_206);
+lean_inc(x_205);
+lean_dec(x_200);
+lean_inc(x_201);
+x_208 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_207, x_182, x_201);
+x_209 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_209, 0, x_205);
+lean_ctor_set(x_209, 1, x_206);
+lean_ctor_set(x_209, 2, x_208);
+x_185 = x_201;
+x_186 = x_209;
+goto block_195;
+}
 }
 else
 {
-lean_object* x_321; lean_object* x_322; 
-x_321 = lean_ctor_get(x_3, 2);
-lean_inc(x_321);
-x_322 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_321, x_248);
-lean_dec(x_321);
-if (lean_obj_tag(x_322) == 0)
-{
-lean_object* x_323; 
-lean_inc(x_248);
-x_323 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_248, x_3);
-if (lean_obj_tag(x_323) == 0)
-{
-lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_324 = lean_ctor_get(x_323, 1);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 0);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = !lean_is_exclusive(x_324);
-if (x_326 == 0)
-{
-lean_object* x_327; lean_object* x_328; 
-x_327 = lean_ctor_get(x_324, 2);
-lean_inc(x_325);
-x_328 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_327, x_248, x_325);
-lean_ctor_set(x_324, 2, x_328);
-x_250 = x_325;
-x_251 = x_324;
-goto block_300;
-}
-else
-{
-lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; 
-x_329 = lean_ctor_get(x_324, 0);
-x_330 = lean_ctor_get(x_324, 1);
-x_331 = lean_ctor_get(x_324, 2);
-lean_inc(x_331);
-lean_inc(x_330);
-lean_inc(x_329);
-lean_dec(x_324);
-lean_inc(x_325);
-x_332 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_331, x_248, x_325);
-x_333 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_333, 0, x_329);
-lean_ctor_set(x_333, 1, x_330);
-lean_ctor_set(x_333, 2, x_332);
-x_250 = x_325;
-x_251 = x_333;
-goto block_300;
-}
-}
-else
-{
-uint8_t x_334; 
-lean_dec(x_249);
-lean_dec(x_248);
+uint8_t x_210; 
+lean_dec(x_183);
+lean_dec(x_182);
 lean_dec(x_2);
-x_334 = !lean_is_exclusive(x_323);
-if (x_334 == 0)
+x_210 = !lean_is_exclusive(x_199);
+if (x_210 == 0)
 {
-return x_323;
+return x_199;
 }
 else
 {
-lean_object* x_335; lean_object* x_336; lean_object* x_337; 
-x_335 = lean_ctor_get(x_323, 0);
-x_336 = lean_ctor_get(x_323, 1);
-lean_inc(x_336);
-lean_inc(x_335);
-lean_dec(x_323);
-x_337 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_337, 0, x_335);
-lean_ctor_set(x_337, 1, x_336);
-return x_337;
+lean_object* x_211; lean_object* x_212; lean_object* x_213; 
+x_211 = lean_ctor_get(x_199, 0);
+x_212 = lean_ctor_get(x_199, 1);
+lean_inc(x_212);
+lean_inc(x_211);
+lean_dec(x_199);
+x_213 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_213, 0, x_211);
+lean_ctor_set(x_213, 1, x_212);
+return x_213;
 }
 }
 }
 else
 {
-lean_object* x_338; 
-lean_dec(x_248);
-x_338 = lean_ctor_get(x_322, 0);
-lean_inc(x_338);
-lean_dec(x_322);
-x_250 = x_338;
-x_251 = x_3;
-goto block_300;
+lean_object* x_214; 
+lean_dec(x_182);
+x_214 = lean_ctor_get(x_198, 0);
+lean_inc(x_214);
+lean_dec(x_198);
+x_185 = x_214;
+x_186 = x_184;
+goto block_195;
 }
 }
-block_300:
-{
-lean_object* x_252; lean_object* x_253; uint8_t x_262; 
-x_262 = lean_expr_has_expr_mvar(x_249);
-if (x_262 == 0)
-{
-uint8_t x_263; 
-x_263 = lean_expr_has_level_mvar(x_249);
-if (x_263 == 0)
-{
-x_252 = x_249;
-x_253 = x_251;
-goto block_261;
-}
-else
-{
-lean_object* x_264; lean_object* x_265; 
-x_264 = lean_ctor_get(x_251, 2);
-lean_inc(x_264);
-x_265 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_264, x_249);
-lean_dec(x_264);
-if (lean_obj_tag(x_265) == 0)
-{
-lean_object* x_266; 
-lean_inc(x_249);
-x_266 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_249, x_251);
-if (lean_obj_tag(x_266) == 0)
-{
-lean_object* x_267; lean_object* x_268; uint8_t x_269; 
-x_267 = lean_ctor_get(x_266, 1);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_266, 0);
-lean_inc(x_268);
-lean_dec(x_266);
-x_269 = !lean_is_exclusive(x_267);
-if (x_269 == 0)
-{
-lean_object* x_270; lean_object* x_271; 
-x_270 = lean_ctor_get(x_267, 2);
-lean_inc(x_268);
-x_271 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_270, x_249, x_268);
-lean_ctor_set(x_267, 2, x_271);
-x_252 = x_268;
-x_253 = x_267;
-goto block_261;
-}
-else
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
-x_272 = lean_ctor_get(x_267, 0);
-x_273 = lean_ctor_get(x_267, 1);
-x_274 = lean_ctor_get(x_267, 2);
-lean_inc(x_274);
-lean_inc(x_273);
-lean_inc(x_272);
-lean_dec(x_267);
-lean_inc(x_268);
-x_275 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_274, x_249, x_268);
-x_276 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_276, 0, x_272);
-lean_ctor_set(x_276, 1, x_273);
-lean_ctor_set(x_276, 2, x_275);
-x_252 = x_268;
-x_253 = x_276;
-goto block_261;
-}
-}
-else
-{
-uint8_t x_277; 
-lean_dec(x_250);
-lean_dec(x_249);
-lean_dec(x_2);
-x_277 = !lean_is_exclusive(x_266);
-if (x_277 == 0)
-{
-return x_266;
-}
-else
-{
-lean_object* x_278; lean_object* x_279; lean_object* x_280; 
-x_278 = lean_ctor_get(x_266, 0);
-x_279 = lean_ctor_get(x_266, 1);
-lean_inc(x_279);
-lean_inc(x_278);
-lean_dec(x_266);
-x_280 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_280, 0, x_278);
-lean_ctor_set(x_280, 1, x_279);
-return x_280;
-}
-}
-}
-else
-{
-lean_object* x_281; 
-lean_dec(x_249);
-x_281 = lean_ctor_get(x_265, 0);
-lean_inc(x_281);
-lean_dec(x_265);
-x_252 = x_281;
-x_253 = x_251;
-goto block_261;
-}
-}
-}
-else
-{
-lean_object* x_282; lean_object* x_283; 
-x_282 = lean_ctor_get(x_251, 2);
-lean_inc(x_282);
-x_283 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_282, x_249);
-lean_dec(x_282);
-if (lean_obj_tag(x_283) == 0)
-{
-lean_object* x_284; 
-lean_inc(x_249);
-x_284 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_249, x_251);
-if (lean_obj_tag(x_284) == 0)
-{
-lean_object* x_285; lean_object* x_286; uint8_t x_287; 
-x_285 = lean_ctor_get(x_284, 1);
-lean_inc(x_285);
-x_286 = lean_ctor_get(x_284, 0);
-lean_inc(x_286);
-lean_dec(x_284);
-x_287 = !lean_is_exclusive(x_285);
-if (x_287 == 0)
-{
-lean_object* x_288; lean_object* x_289; 
-x_288 = lean_ctor_get(x_285, 2);
-lean_inc(x_286);
-x_289 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_288, x_249, x_286);
-lean_ctor_set(x_285, 2, x_289);
-x_252 = x_286;
-x_253 = x_285;
-goto block_261;
-}
-else
-{
-lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_290 = lean_ctor_get(x_285, 0);
-x_291 = lean_ctor_get(x_285, 1);
-x_292 = lean_ctor_get(x_285, 2);
-lean_inc(x_292);
-lean_inc(x_291);
-lean_inc(x_290);
-lean_dec(x_285);
-lean_inc(x_286);
-x_293 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_292, x_249, x_286);
-x_294 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_294, 0, x_290);
-lean_ctor_set(x_294, 1, x_291);
-lean_ctor_set(x_294, 2, x_293);
-x_252 = x_286;
-x_253 = x_294;
-goto block_261;
-}
-}
-else
-{
-uint8_t x_295; 
-lean_dec(x_250);
-lean_dec(x_249);
-lean_dec(x_2);
-x_295 = !lean_is_exclusive(x_284);
-if (x_295 == 0)
-{
-return x_284;
-}
-else
-{
-lean_object* x_296; lean_object* x_297; lean_object* x_298; 
-x_296 = lean_ctor_get(x_284, 0);
-x_297 = lean_ctor_get(x_284, 1);
-lean_inc(x_297);
-lean_inc(x_296);
-lean_dec(x_284);
-x_298 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_298, 0, x_296);
-lean_ctor_set(x_298, 1, x_297);
-return x_298;
-}
-}
-}
-else
-{
-lean_object* x_299; 
-lean_dec(x_249);
-x_299 = lean_ctor_get(x_283, 0);
-lean_inc(x_299);
-lean_dec(x_283);
-x_252 = x_299;
-x_253 = x_251;
-goto block_261;
-}
-}
-block_261:
+block_195:
 {
 if (lean_obj_tag(x_2) == 7)
 {
-uint8_t x_254; lean_object* x_255; lean_object* x_256; 
-x_254 = lean_ctor_get_uint8(x_2, sizeof(void*)*3);
-x_255 = lean_expr_update_forall(x_2, x_254, x_250, x_252);
-x_256 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_256, 0, x_255);
-lean_ctor_set(x_256, 1, x_253);
-return x_256;
+uint64_t x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+x_187 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
+x_188 = (uint8_t)((x_187 << 24) >> 61);
+x_189 = lean_expr_update_forall(x_2, x_188, x_183, x_185);
+x_190 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
 }
 else
 {
-lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; 
-lean_dec(x_252);
-lean_dec(x_250);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
+lean_dec(x_185);
+lean_dec(x_183);
 lean_dec(x_2);
-x_257 = l_Lean_Expr_inhabited;
-x_258 = l_Lean_Expr_updateForallE_x21___closed__1;
-x_259 = lean_panic_fn(x_258);
-x_260 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_260, 0, x_259);
-lean_ctor_set(x_260, 1, x_253);
-return x_260;
+x_191 = l_Lean_Expr_Inhabited;
+x_192 = l_Lean_Expr_updateForallE_x21___closed__1;
+x_193 = lean_panic_fn(x_192);
+x_194 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_194, 0, x_193);
+lean_ctor_set(x_194, 1, x_186);
+return x_194;
 }
 }
 }
 }
 case 8:
 {
-lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; uint8_t x_433; 
-x_339 = lean_ctor_get(x_2, 1);
-lean_inc(x_339);
-x_340 = lean_ctor_get(x_2, 2);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_2, 3);
-lean_inc(x_341);
-x_433 = lean_expr_has_expr_mvar(x_339);
-if (x_433 == 0)
+lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; uint8_t x_291; 
+x_235 = lean_ctor_get(x_2, 1);
+lean_inc(x_235);
+x_236 = lean_ctor_get(x_2, 2);
+lean_inc(x_236);
+x_237 = lean_ctor_get(x_2, 3);
+lean_inc(x_237);
+x_291 = l_Lean_Expr_hasMVar(x_235);
+if (x_291 == 0)
 {
-uint8_t x_434; 
-x_434 = lean_expr_has_level_mvar(x_339);
-if (x_434 == 0)
-{
-x_342 = x_339;
-x_343 = x_3;
-goto block_432;
+x_238 = x_235;
+x_239 = x_3;
+goto block_290;
 }
 else
 {
-lean_object* x_435; lean_object* x_436; 
-x_435 = lean_ctor_get(x_3, 2);
-lean_inc(x_435);
-x_436 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_435, x_339);
-lean_dec(x_435);
-if (lean_obj_tag(x_436) == 0)
+lean_object* x_292; lean_object* x_293; 
+x_292 = lean_ctor_get(x_3, 2);
+lean_inc(x_292);
+x_293 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_292, x_235);
+lean_dec(x_292);
+if (lean_obj_tag(x_293) == 0)
 {
-lean_object* x_437; 
-lean_inc(x_339);
-x_437 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_339, x_3);
-if (lean_obj_tag(x_437) == 0)
+lean_object* x_294; 
+lean_inc(x_235);
+x_294 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_235, x_3);
+if (lean_obj_tag(x_294) == 0)
 {
-lean_object* x_438; lean_object* x_439; uint8_t x_440; 
-x_438 = lean_ctor_get(x_437, 1);
-lean_inc(x_438);
-x_439 = lean_ctor_get(x_437, 0);
-lean_inc(x_439);
-lean_dec(x_437);
-x_440 = !lean_is_exclusive(x_438);
-if (x_440 == 0)
+lean_object* x_295; lean_object* x_296; uint8_t x_297; 
+x_295 = lean_ctor_get(x_294, 1);
+lean_inc(x_295);
+x_296 = lean_ctor_get(x_294, 0);
+lean_inc(x_296);
+lean_dec(x_294);
+x_297 = !lean_is_exclusive(x_295);
+if (x_297 == 0)
 {
-lean_object* x_441; lean_object* x_442; 
-x_441 = lean_ctor_get(x_438, 2);
-lean_inc(x_439);
-x_442 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_441, x_339, x_439);
-lean_ctor_set(x_438, 2, x_442);
-x_342 = x_439;
-x_343 = x_438;
-goto block_432;
+lean_object* x_298; lean_object* x_299; 
+x_298 = lean_ctor_get(x_295, 2);
+lean_inc(x_296);
+x_299 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_298, x_235, x_296);
+lean_ctor_set(x_295, 2, x_299);
+x_238 = x_296;
+x_239 = x_295;
+goto block_290;
 }
 else
 {
-lean_object* x_443; lean_object* x_444; lean_object* x_445; lean_object* x_446; lean_object* x_447; 
-x_443 = lean_ctor_get(x_438, 0);
-x_444 = lean_ctor_get(x_438, 1);
-x_445 = lean_ctor_get(x_438, 2);
-lean_inc(x_445);
-lean_inc(x_444);
-lean_inc(x_443);
-lean_dec(x_438);
-lean_inc(x_439);
-x_446 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_445, x_339, x_439);
-x_447 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_447, 0, x_443);
-lean_ctor_set(x_447, 1, x_444);
-lean_ctor_set(x_447, 2, x_446);
-x_342 = x_439;
-x_343 = x_447;
-goto block_432;
+lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; 
+x_300 = lean_ctor_get(x_295, 0);
+x_301 = lean_ctor_get(x_295, 1);
+x_302 = lean_ctor_get(x_295, 2);
+lean_inc(x_302);
+lean_inc(x_301);
+lean_inc(x_300);
+lean_dec(x_295);
+lean_inc(x_296);
+x_303 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_302, x_235, x_296);
+x_304 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_304, 0, x_300);
+lean_ctor_set(x_304, 1, x_301);
+lean_ctor_set(x_304, 2, x_303);
+x_238 = x_296;
+x_239 = x_304;
+goto block_290;
 }
 }
 else
 {
-uint8_t x_448; 
-lean_dec(x_341);
-lean_dec(x_340);
-lean_dec(x_339);
+uint8_t x_305; 
+lean_dec(x_237);
+lean_dec(x_236);
+lean_dec(x_235);
 lean_dec(x_2);
-x_448 = !lean_is_exclusive(x_437);
-if (x_448 == 0)
+x_305 = !lean_is_exclusive(x_294);
+if (x_305 == 0)
 {
-return x_437;
+return x_294;
 }
 else
 {
-lean_object* x_449; lean_object* x_450; lean_object* x_451; 
-x_449 = lean_ctor_get(x_437, 0);
-x_450 = lean_ctor_get(x_437, 1);
-lean_inc(x_450);
-lean_inc(x_449);
-lean_dec(x_437);
-x_451 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_451, 0, x_449);
-lean_ctor_set(x_451, 1, x_450);
-return x_451;
+lean_object* x_306; lean_object* x_307; lean_object* x_308; 
+x_306 = lean_ctor_get(x_294, 0);
+x_307 = lean_ctor_get(x_294, 1);
+lean_inc(x_307);
+lean_inc(x_306);
+lean_dec(x_294);
+x_308 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_308, 0, x_306);
+lean_ctor_set(x_308, 1, x_307);
+return x_308;
 }
 }
 }
 else
 {
-lean_object* x_452; 
-lean_dec(x_339);
-x_452 = lean_ctor_get(x_436, 0);
-lean_inc(x_452);
-lean_dec(x_436);
-x_342 = x_452;
-x_343 = x_3;
-goto block_432;
+lean_object* x_309; 
+lean_dec(x_235);
+x_309 = lean_ctor_get(x_293, 0);
+lean_inc(x_309);
+lean_dec(x_293);
+x_238 = x_309;
+x_239 = x_3;
+goto block_290;
 }
 }
+block_290:
+{
+lean_object* x_240; lean_object* x_241; uint8_t x_271; 
+x_271 = l_Lean_Expr_hasMVar(x_236);
+if (x_271 == 0)
+{
+x_240 = x_236;
+x_241 = x_239;
+goto block_270;
+}
+else
+{
+lean_object* x_272; lean_object* x_273; 
+x_272 = lean_ctor_get(x_239, 2);
+lean_inc(x_272);
+x_273 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_272, x_236);
+lean_dec(x_272);
+if (lean_obj_tag(x_273) == 0)
+{
+lean_object* x_274; 
+lean_inc(x_236);
+x_274 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_236, x_239);
+if (lean_obj_tag(x_274) == 0)
+{
+lean_object* x_275; lean_object* x_276; uint8_t x_277; 
+x_275 = lean_ctor_get(x_274, 1);
+lean_inc(x_275);
+x_276 = lean_ctor_get(x_274, 0);
+lean_inc(x_276);
+lean_dec(x_274);
+x_277 = !lean_is_exclusive(x_275);
+if (x_277 == 0)
+{
+lean_object* x_278; lean_object* x_279; 
+x_278 = lean_ctor_get(x_275, 2);
+lean_inc(x_276);
+x_279 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_278, x_236, x_276);
+lean_ctor_set(x_275, 2, x_279);
+x_240 = x_276;
+x_241 = x_275;
+goto block_270;
+}
+else
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; 
+x_280 = lean_ctor_get(x_275, 0);
+x_281 = lean_ctor_get(x_275, 1);
+x_282 = lean_ctor_get(x_275, 2);
+lean_inc(x_282);
+lean_inc(x_281);
+lean_inc(x_280);
+lean_dec(x_275);
+lean_inc(x_276);
+x_283 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_282, x_236, x_276);
+x_284 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_284, 0, x_280);
+lean_ctor_set(x_284, 1, x_281);
+lean_ctor_set(x_284, 2, x_283);
+x_240 = x_276;
+x_241 = x_284;
+goto block_270;
+}
 }
 else
 {
-lean_object* x_453; lean_object* x_454; 
-x_453 = lean_ctor_get(x_3, 2);
-lean_inc(x_453);
-x_454 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_453, x_339);
-lean_dec(x_453);
-if (lean_obj_tag(x_454) == 0)
-{
-lean_object* x_455; 
-lean_inc(x_339);
-x_455 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_339, x_3);
-if (lean_obj_tag(x_455) == 0)
-{
-lean_object* x_456; lean_object* x_457; uint8_t x_458; 
-x_456 = lean_ctor_get(x_455, 1);
-lean_inc(x_456);
-x_457 = lean_ctor_get(x_455, 0);
-lean_inc(x_457);
-lean_dec(x_455);
-x_458 = !lean_is_exclusive(x_456);
-if (x_458 == 0)
-{
-lean_object* x_459; lean_object* x_460; 
-x_459 = lean_ctor_get(x_456, 2);
-lean_inc(x_457);
-x_460 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_459, x_339, x_457);
-lean_ctor_set(x_456, 2, x_460);
-x_342 = x_457;
-x_343 = x_456;
-goto block_432;
-}
-else
-{
-lean_object* x_461; lean_object* x_462; lean_object* x_463; lean_object* x_464; lean_object* x_465; 
-x_461 = lean_ctor_get(x_456, 0);
-x_462 = lean_ctor_get(x_456, 1);
-x_463 = lean_ctor_get(x_456, 2);
-lean_inc(x_463);
-lean_inc(x_462);
-lean_inc(x_461);
-lean_dec(x_456);
-lean_inc(x_457);
-x_464 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_463, x_339, x_457);
-x_465 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_465, 0, x_461);
-lean_ctor_set(x_465, 1, x_462);
-lean_ctor_set(x_465, 2, x_464);
-x_342 = x_457;
-x_343 = x_465;
-goto block_432;
-}
-}
-else
-{
-uint8_t x_466; 
-lean_dec(x_341);
-lean_dec(x_340);
-lean_dec(x_339);
+uint8_t x_285; 
+lean_dec(x_238);
+lean_dec(x_237);
+lean_dec(x_236);
 lean_dec(x_2);
-x_466 = !lean_is_exclusive(x_455);
-if (x_466 == 0)
+x_285 = !lean_is_exclusive(x_274);
+if (x_285 == 0)
 {
-return x_455;
+return x_274;
 }
 else
 {
-lean_object* x_467; lean_object* x_468; lean_object* x_469; 
-x_467 = lean_ctor_get(x_455, 0);
-x_468 = lean_ctor_get(x_455, 1);
-lean_inc(x_468);
-lean_inc(x_467);
-lean_dec(x_455);
-x_469 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_469, 0, x_467);
-lean_ctor_set(x_469, 1, x_468);
-return x_469;
+lean_object* x_286; lean_object* x_287; lean_object* x_288; 
+x_286 = lean_ctor_get(x_274, 0);
+x_287 = lean_ctor_get(x_274, 1);
+lean_inc(x_287);
+lean_inc(x_286);
+lean_dec(x_274);
+x_288 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_288, 0, x_286);
+lean_ctor_set(x_288, 1, x_287);
+return x_288;
 }
 }
 }
 else
 {
-lean_object* x_470; 
-lean_dec(x_339);
-x_470 = lean_ctor_get(x_454, 0);
-lean_inc(x_470);
-lean_dec(x_454);
-x_342 = x_470;
-x_343 = x_3;
-goto block_432;
+lean_object* x_289; 
+lean_dec(x_236);
+x_289 = lean_ctor_get(x_273, 0);
+lean_inc(x_289);
+lean_dec(x_273);
+x_240 = x_289;
+x_241 = x_239;
+goto block_270;
 }
 }
-block_432:
+block_270:
 {
-lean_object* x_344; lean_object* x_345; uint8_t x_394; 
-x_394 = lean_expr_has_expr_mvar(x_340);
-if (x_394 == 0)
+lean_object* x_242; lean_object* x_243; uint8_t x_251; 
+x_251 = l_Lean_Expr_hasMVar(x_237);
+if (x_251 == 0)
 {
-uint8_t x_395; 
-x_395 = lean_expr_has_level_mvar(x_340);
-if (x_395 == 0)
-{
-x_344 = x_340;
-x_345 = x_343;
-goto block_393;
+x_242 = x_237;
+x_243 = x_241;
+goto block_250;
 }
 else
 {
-lean_object* x_396; lean_object* x_397; 
-x_396 = lean_ctor_get(x_343, 2);
-lean_inc(x_396);
-x_397 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_396, x_340);
-lean_dec(x_396);
-if (lean_obj_tag(x_397) == 0)
+lean_object* x_252; lean_object* x_253; 
+x_252 = lean_ctor_get(x_241, 2);
+lean_inc(x_252);
+x_253 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_252, x_237);
+lean_dec(x_252);
+if (lean_obj_tag(x_253) == 0)
 {
-lean_object* x_398; 
-lean_inc(x_340);
-x_398 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_340, x_343);
-if (lean_obj_tag(x_398) == 0)
+lean_object* x_254; 
+lean_inc(x_237);
+x_254 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_237, x_241);
+if (lean_obj_tag(x_254) == 0)
 {
-lean_object* x_399; lean_object* x_400; uint8_t x_401; 
-x_399 = lean_ctor_get(x_398, 1);
-lean_inc(x_399);
-x_400 = lean_ctor_get(x_398, 0);
-lean_inc(x_400);
-lean_dec(x_398);
-x_401 = !lean_is_exclusive(x_399);
-if (x_401 == 0)
+lean_object* x_255; lean_object* x_256; uint8_t x_257; 
+x_255 = lean_ctor_get(x_254, 1);
+lean_inc(x_255);
+x_256 = lean_ctor_get(x_254, 0);
+lean_inc(x_256);
+lean_dec(x_254);
+x_257 = !lean_is_exclusive(x_255);
+if (x_257 == 0)
 {
-lean_object* x_402; lean_object* x_403; 
-x_402 = lean_ctor_get(x_399, 2);
-lean_inc(x_400);
-x_403 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_402, x_340, x_400);
-lean_ctor_set(x_399, 2, x_403);
-x_344 = x_400;
-x_345 = x_399;
-goto block_393;
+lean_object* x_258; lean_object* x_259; 
+x_258 = lean_ctor_get(x_255, 2);
+lean_inc(x_256);
+x_259 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_258, x_237, x_256);
+lean_ctor_set(x_255, 2, x_259);
+x_242 = x_256;
+x_243 = x_255;
+goto block_250;
 }
 else
 {
-lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; 
-x_404 = lean_ctor_get(x_399, 0);
-x_405 = lean_ctor_get(x_399, 1);
-x_406 = lean_ctor_get(x_399, 2);
-lean_inc(x_406);
-lean_inc(x_405);
-lean_inc(x_404);
-lean_dec(x_399);
-lean_inc(x_400);
-x_407 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_406, x_340, x_400);
-x_408 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_408, 0, x_404);
-lean_ctor_set(x_408, 1, x_405);
-lean_ctor_set(x_408, 2, x_407);
-x_344 = x_400;
-x_345 = x_408;
-goto block_393;
+lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; 
+x_260 = lean_ctor_get(x_255, 0);
+x_261 = lean_ctor_get(x_255, 1);
+x_262 = lean_ctor_get(x_255, 2);
+lean_inc(x_262);
+lean_inc(x_261);
+lean_inc(x_260);
+lean_dec(x_255);
+lean_inc(x_256);
+x_263 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_262, x_237, x_256);
+x_264 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_264, 0, x_260);
+lean_ctor_set(x_264, 1, x_261);
+lean_ctor_set(x_264, 2, x_263);
+x_242 = x_256;
+x_243 = x_264;
+goto block_250;
 }
 }
 else
 {
-uint8_t x_409; 
-lean_dec(x_342);
-lean_dec(x_341);
-lean_dec(x_340);
+uint8_t x_265; 
+lean_dec(x_240);
+lean_dec(x_238);
+lean_dec(x_237);
 lean_dec(x_2);
-x_409 = !lean_is_exclusive(x_398);
-if (x_409 == 0)
+x_265 = !lean_is_exclusive(x_254);
+if (x_265 == 0)
 {
-return x_398;
+return x_254;
 }
 else
 {
-lean_object* x_410; lean_object* x_411; lean_object* x_412; 
-x_410 = lean_ctor_get(x_398, 0);
-x_411 = lean_ctor_get(x_398, 1);
-lean_inc(x_411);
-lean_inc(x_410);
-lean_dec(x_398);
-x_412 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_412, 0, x_410);
-lean_ctor_set(x_412, 1, x_411);
-return x_412;
+lean_object* x_266; lean_object* x_267; lean_object* x_268; 
+x_266 = lean_ctor_get(x_254, 0);
+x_267 = lean_ctor_get(x_254, 1);
+lean_inc(x_267);
+lean_inc(x_266);
+lean_dec(x_254);
+x_268 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_268, 0, x_266);
+lean_ctor_set(x_268, 1, x_267);
+return x_268;
 }
 }
 }
 else
 {
-lean_object* x_413; 
-lean_dec(x_340);
-x_413 = lean_ctor_get(x_397, 0);
-lean_inc(x_413);
-lean_dec(x_397);
-x_344 = x_413;
-x_345 = x_343;
-goto block_393;
+lean_object* x_269; 
+lean_dec(x_237);
+x_269 = lean_ctor_get(x_253, 0);
+lean_inc(x_269);
+lean_dec(x_253);
+x_242 = x_269;
+x_243 = x_241;
+goto block_250;
 }
 }
-}
-else
-{
-lean_object* x_414; lean_object* x_415; 
-x_414 = lean_ctor_get(x_343, 2);
-lean_inc(x_414);
-x_415 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_414, x_340);
-lean_dec(x_414);
-if (lean_obj_tag(x_415) == 0)
-{
-lean_object* x_416; 
-lean_inc(x_340);
-x_416 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_340, x_343);
-if (lean_obj_tag(x_416) == 0)
-{
-lean_object* x_417; lean_object* x_418; uint8_t x_419; 
-x_417 = lean_ctor_get(x_416, 1);
-lean_inc(x_417);
-x_418 = lean_ctor_get(x_416, 0);
-lean_inc(x_418);
-lean_dec(x_416);
-x_419 = !lean_is_exclusive(x_417);
-if (x_419 == 0)
-{
-lean_object* x_420; lean_object* x_421; 
-x_420 = lean_ctor_get(x_417, 2);
-lean_inc(x_418);
-x_421 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_420, x_340, x_418);
-lean_ctor_set(x_417, 2, x_421);
-x_344 = x_418;
-x_345 = x_417;
-goto block_393;
-}
-else
-{
-lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; lean_object* x_426; 
-x_422 = lean_ctor_get(x_417, 0);
-x_423 = lean_ctor_get(x_417, 1);
-x_424 = lean_ctor_get(x_417, 2);
-lean_inc(x_424);
-lean_inc(x_423);
-lean_inc(x_422);
-lean_dec(x_417);
-lean_inc(x_418);
-x_425 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_424, x_340, x_418);
-x_426 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_426, 0, x_422);
-lean_ctor_set(x_426, 1, x_423);
-lean_ctor_set(x_426, 2, x_425);
-x_344 = x_418;
-x_345 = x_426;
-goto block_393;
-}
-}
-else
-{
-uint8_t x_427; 
-lean_dec(x_342);
-lean_dec(x_341);
-lean_dec(x_340);
-lean_dec(x_2);
-x_427 = !lean_is_exclusive(x_416);
-if (x_427 == 0)
-{
-return x_416;
-}
-else
-{
-lean_object* x_428; lean_object* x_429; lean_object* x_430; 
-x_428 = lean_ctor_get(x_416, 0);
-x_429 = lean_ctor_get(x_416, 1);
-lean_inc(x_429);
-lean_inc(x_428);
-lean_dec(x_416);
-x_430 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_430, 0, x_428);
-lean_ctor_set(x_430, 1, x_429);
-return x_430;
-}
-}
-}
-else
-{
-lean_object* x_431; 
-lean_dec(x_340);
-x_431 = lean_ctor_get(x_415, 0);
-lean_inc(x_431);
-lean_dec(x_415);
-x_344 = x_431;
-x_345 = x_343;
-goto block_393;
-}
-}
-block_393:
-{
-lean_object* x_346; lean_object* x_347; uint8_t x_355; 
-x_355 = lean_expr_has_expr_mvar(x_341);
-if (x_355 == 0)
-{
-uint8_t x_356; 
-x_356 = lean_expr_has_level_mvar(x_341);
-if (x_356 == 0)
-{
-x_346 = x_341;
-x_347 = x_345;
-goto block_354;
-}
-else
-{
-lean_object* x_357; lean_object* x_358; 
-x_357 = lean_ctor_get(x_345, 2);
-lean_inc(x_357);
-x_358 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_357, x_341);
-lean_dec(x_357);
-if (lean_obj_tag(x_358) == 0)
-{
-lean_object* x_359; 
-lean_inc(x_341);
-x_359 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_341, x_345);
-if (lean_obj_tag(x_359) == 0)
-{
-lean_object* x_360; lean_object* x_361; uint8_t x_362; 
-x_360 = lean_ctor_get(x_359, 1);
-lean_inc(x_360);
-x_361 = lean_ctor_get(x_359, 0);
-lean_inc(x_361);
-lean_dec(x_359);
-x_362 = !lean_is_exclusive(x_360);
-if (x_362 == 0)
-{
-lean_object* x_363; lean_object* x_364; 
-x_363 = lean_ctor_get(x_360, 2);
-lean_inc(x_361);
-x_364 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_363, x_341, x_361);
-lean_ctor_set(x_360, 2, x_364);
-x_346 = x_361;
-x_347 = x_360;
-goto block_354;
-}
-else
-{
-lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; 
-x_365 = lean_ctor_get(x_360, 0);
-x_366 = lean_ctor_get(x_360, 1);
-x_367 = lean_ctor_get(x_360, 2);
-lean_inc(x_367);
-lean_inc(x_366);
-lean_inc(x_365);
-lean_dec(x_360);
-lean_inc(x_361);
-x_368 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_367, x_341, x_361);
-x_369 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_369, 0, x_365);
-lean_ctor_set(x_369, 1, x_366);
-lean_ctor_set(x_369, 2, x_368);
-x_346 = x_361;
-x_347 = x_369;
-goto block_354;
-}
-}
-else
-{
-uint8_t x_370; 
-lean_dec(x_344);
-lean_dec(x_342);
-lean_dec(x_341);
-lean_dec(x_2);
-x_370 = !lean_is_exclusive(x_359);
-if (x_370 == 0)
-{
-return x_359;
-}
-else
-{
-lean_object* x_371; lean_object* x_372; lean_object* x_373; 
-x_371 = lean_ctor_get(x_359, 0);
-x_372 = lean_ctor_get(x_359, 1);
-lean_inc(x_372);
-lean_inc(x_371);
-lean_dec(x_359);
-x_373 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_373, 0, x_371);
-lean_ctor_set(x_373, 1, x_372);
-return x_373;
-}
-}
-}
-else
-{
-lean_object* x_374; 
-lean_dec(x_341);
-x_374 = lean_ctor_get(x_358, 0);
-lean_inc(x_374);
-lean_dec(x_358);
-x_346 = x_374;
-x_347 = x_345;
-goto block_354;
-}
-}
-}
-else
-{
-lean_object* x_375; lean_object* x_376; 
-x_375 = lean_ctor_get(x_345, 2);
-lean_inc(x_375);
-x_376 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_375, x_341);
-lean_dec(x_375);
-if (lean_obj_tag(x_376) == 0)
-{
-lean_object* x_377; 
-lean_inc(x_341);
-x_377 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_341, x_345);
-if (lean_obj_tag(x_377) == 0)
-{
-lean_object* x_378; lean_object* x_379; uint8_t x_380; 
-x_378 = lean_ctor_get(x_377, 1);
-lean_inc(x_378);
-x_379 = lean_ctor_get(x_377, 0);
-lean_inc(x_379);
-lean_dec(x_377);
-x_380 = !lean_is_exclusive(x_378);
-if (x_380 == 0)
-{
-lean_object* x_381; lean_object* x_382; 
-x_381 = lean_ctor_get(x_378, 2);
-lean_inc(x_379);
-x_382 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_381, x_341, x_379);
-lean_ctor_set(x_378, 2, x_382);
-x_346 = x_379;
-x_347 = x_378;
-goto block_354;
-}
-else
-{
-lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; 
-x_383 = lean_ctor_get(x_378, 0);
-x_384 = lean_ctor_get(x_378, 1);
-x_385 = lean_ctor_get(x_378, 2);
-lean_inc(x_385);
-lean_inc(x_384);
-lean_inc(x_383);
-lean_dec(x_378);
-lean_inc(x_379);
-x_386 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_385, x_341, x_379);
-x_387 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_387, 0, x_383);
-lean_ctor_set(x_387, 1, x_384);
-lean_ctor_set(x_387, 2, x_386);
-x_346 = x_379;
-x_347 = x_387;
-goto block_354;
-}
-}
-else
-{
-uint8_t x_388; 
-lean_dec(x_344);
-lean_dec(x_342);
-lean_dec(x_341);
-lean_dec(x_2);
-x_388 = !lean_is_exclusive(x_377);
-if (x_388 == 0)
-{
-return x_377;
-}
-else
-{
-lean_object* x_389; lean_object* x_390; lean_object* x_391; 
-x_389 = lean_ctor_get(x_377, 0);
-x_390 = lean_ctor_get(x_377, 1);
-lean_inc(x_390);
-lean_inc(x_389);
-lean_dec(x_377);
-x_391 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_391, 0, x_389);
-lean_ctor_set(x_391, 1, x_390);
-return x_391;
-}
-}
-}
-else
-{
-lean_object* x_392; 
-lean_dec(x_341);
-x_392 = lean_ctor_get(x_376, 0);
-lean_inc(x_392);
-lean_dec(x_376);
-x_346 = x_392;
-x_347 = x_345;
-goto block_354;
-}
-}
-block_354:
+block_250:
 {
 if (lean_obj_tag(x_2) == 8)
 {
-lean_object* x_348; lean_object* x_349; 
-x_348 = lean_expr_update_let(x_2, x_342, x_344, x_346);
-x_349 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_349, 0, x_348);
-lean_ctor_set(x_349, 1, x_347);
-return x_349;
+lean_object* x_244; lean_object* x_245; 
+x_244 = lean_expr_update_let(x_2, x_238, x_240, x_242);
+x_245 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_245, 0, x_244);
+lean_ctor_set(x_245, 1, x_243);
+return x_245;
 }
 else
 {
-lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; 
-lean_dec(x_346);
-lean_dec(x_344);
-lean_dec(x_342);
+lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
+lean_dec(x_242);
+lean_dec(x_240);
+lean_dec(x_238);
 lean_dec(x_2);
-x_350 = l_Lean_Expr_inhabited;
-x_351 = l_Lean_Expr_updateLet_x21___closed__1;
-x_352 = lean_panic_fn(x_351);
-x_353 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_353, 0, x_352);
-lean_ctor_set(x_353, 1, x_347);
-return x_353;
+x_246 = l_Lean_Expr_Inhabited;
+x_247 = l_Lean_Expr_updateLet_x21___closed__1;
+x_248 = lean_panic_fn(x_247);
+x_249 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_249, 0, x_248);
+lean_ctor_set(x_249, 1, x_243);
+return x_249;
 }
 }
 }
@@ -39715,197 +30024,102 @@ return x_353;
 }
 case 10:
 {
-lean_object* x_471; uint8_t x_472; 
-x_471 = lean_ctor_get(x_2, 1);
-lean_inc(x_471);
-x_472 = lean_expr_has_expr_mvar(x_471);
-if (x_472 == 0)
+lean_object* x_310; uint8_t x_311; 
+x_310 = lean_ctor_get(x_2, 1);
+lean_inc(x_310);
+x_311 = l_Lean_Expr_hasMVar(x_310);
+if (x_311 == 0)
 {
-uint8_t x_473; 
-x_473 = lean_expr_has_level_mvar(x_471);
-if (x_473 == 0)
-{
-x_4 = x_471;
+x_4 = x_310;
 x_5 = x_3;
 goto block_12;
 }
 else
 {
-lean_object* x_474; lean_object* x_475; 
-x_474 = lean_ctor_get(x_3, 2);
-lean_inc(x_474);
-x_475 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_474, x_471);
-lean_dec(x_474);
-if (lean_obj_tag(x_475) == 0)
+lean_object* x_312; lean_object* x_313; 
+x_312 = lean_ctor_get(x_3, 2);
+lean_inc(x_312);
+x_313 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_312, x_310);
+lean_dec(x_312);
+if (lean_obj_tag(x_313) == 0)
 {
-lean_object* x_476; 
-lean_inc(x_471);
-x_476 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_471, x_3);
-if (lean_obj_tag(x_476) == 0)
+lean_object* x_314; 
+lean_inc(x_310);
+x_314 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_310, x_3);
+if (lean_obj_tag(x_314) == 0)
 {
-lean_object* x_477; lean_object* x_478; uint8_t x_479; 
-x_477 = lean_ctor_get(x_476, 1);
-lean_inc(x_477);
-x_478 = lean_ctor_get(x_476, 0);
-lean_inc(x_478);
-lean_dec(x_476);
-x_479 = !lean_is_exclusive(x_477);
-if (x_479 == 0)
+lean_object* x_315; lean_object* x_316; uint8_t x_317; 
+x_315 = lean_ctor_get(x_314, 1);
+lean_inc(x_315);
+x_316 = lean_ctor_get(x_314, 0);
+lean_inc(x_316);
+lean_dec(x_314);
+x_317 = !lean_is_exclusive(x_315);
+if (x_317 == 0)
 {
-lean_object* x_480; lean_object* x_481; 
-x_480 = lean_ctor_get(x_477, 2);
-lean_inc(x_478);
-x_481 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_480, x_471, x_478);
-lean_ctor_set(x_477, 2, x_481);
-x_4 = x_478;
-x_5 = x_477;
+lean_object* x_318; lean_object* x_319; 
+x_318 = lean_ctor_get(x_315, 2);
+lean_inc(x_316);
+x_319 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_318, x_310, x_316);
+lean_ctor_set(x_315, 2, x_319);
+x_4 = x_316;
+x_5 = x_315;
 goto block_12;
 }
 else
 {
-lean_object* x_482; lean_object* x_483; lean_object* x_484; lean_object* x_485; lean_object* x_486; 
-x_482 = lean_ctor_get(x_477, 0);
-x_483 = lean_ctor_get(x_477, 1);
-x_484 = lean_ctor_get(x_477, 2);
-lean_inc(x_484);
-lean_inc(x_483);
-lean_inc(x_482);
-lean_dec(x_477);
-lean_inc(x_478);
-x_485 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_484, x_471, x_478);
-x_486 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_486, 0, x_482);
-lean_ctor_set(x_486, 1, x_483);
-lean_ctor_set(x_486, 2, x_485);
-x_4 = x_478;
-x_5 = x_486;
+lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; 
+x_320 = lean_ctor_get(x_315, 0);
+x_321 = lean_ctor_get(x_315, 1);
+x_322 = lean_ctor_get(x_315, 2);
+lean_inc(x_322);
+lean_inc(x_321);
+lean_inc(x_320);
+lean_dec(x_315);
+lean_inc(x_316);
+x_323 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_322, x_310, x_316);
+x_324 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_324, 0, x_320);
+lean_ctor_set(x_324, 1, x_321);
+lean_ctor_set(x_324, 2, x_323);
+x_4 = x_316;
+x_5 = x_324;
 goto block_12;
 }
 }
 else
 {
-uint8_t x_487; 
-lean_dec(x_471);
+uint8_t x_325; 
+lean_dec(x_310);
 lean_dec(x_2);
-x_487 = !lean_is_exclusive(x_476);
-if (x_487 == 0)
+x_325 = !lean_is_exclusive(x_314);
+if (x_325 == 0)
 {
-return x_476;
+return x_314;
 }
 else
 {
-lean_object* x_488; lean_object* x_489; lean_object* x_490; 
-x_488 = lean_ctor_get(x_476, 0);
-x_489 = lean_ctor_get(x_476, 1);
-lean_inc(x_489);
-lean_inc(x_488);
-lean_dec(x_476);
-x_490 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_490, 0, x_488);
-lean_ctor_set(x_490, 1, x_489);
-return x_490;
+lean_object* x_326; lean_object* x_327; lean_object* x_328; 
+x_326 = lean_ctor_get(x_314, 0);
+x_327 = lean_ctor_get(x_314, 1);
+lean_inc(x_327);
+lean_inc(x_326);
+lean_dec(x_314);
+x_328 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_328, 0, x_326);
+lean_ctor_set(x_328, 1, x_327);
+return x_328;
 }
 }
 }
 else
 {
-lean_object* x_491; 
-lean_dec(x_471);
-x_491 = lean_ctor_get(x_475, 0);
-lean_inc(x_491);
-lean_dec(x_475);
-x_4 = x_491;
-x_5 = x_3;
-goto block_12;
-}
-}
-}
-else
-{
-lean_object* x_492; lean_object* x_493; 
-x_492 = lean_ctor_get(x_3, 2);
-lean_inc(x_492);
-x_493 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_492, x_471);
-lean_dec(x_492);
-if (lean_obj_tag(x_493) == 0)
-{
-lean_object* x_494; 
-lean_inc(x_471);
-x_494 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_471, x_3);
-if (lean_obj_tag(x_494) == 0)
-{
-lean_object* x_495; lean_object* x_496; uint8_t x_497; 
-x_495 = lean_ctor_get(x_494, 1);
-lean_inc(x_495);
-x_496 = lean_ctor_get(x_494, 0);
-lean_inc(x_496);
-lean_dec(x_494);
-x_497 = !lean_is_exclusive(x_495);
-if (x_497 == 0)
-{
-lean_object* x_498; lean_object* x_499; 
-x_498 = lean_ctor_get(x_495, 2);
-lean_inc(x_496);
-x_499 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_498, x_471, x_496);
-lean_ctor_set(x_495, 2, x_499);
-x_4 = x_496;
-x_5 = x_495;
-goto block_12;
-}
-else
-{
-lean_object* x_500; lean_object* x_501; lean_object* x_502; lean_object* x_503; lean_object* x_504; 
-x_500 = lean_ctor_get(x_495, 0);
-x_501 = lean_ctor_get(x_495, 1);
-x_502 = lean_ctor_get(x_495, 2);
-lean_inc(x_502);
-lean_inc(x_501);
-lean_inc(x_500);
-lean_dec(x_495);
-lean_inc(x_496);
-x_503 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_502, x_471, x_496);
-x_504 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_504, 0, x_500);
-lean_ctor_set(x_504, 1, x_501);
-lean_ctor_set(x_504, 2, x_503);
-x_4 = x_496;
-x_5 = x_504;
-goto block_12;
-}
-}
-else
-{
-uint8_t x_505; 
-lean_dec(x_471);
-lean_dec(x_2);
-x_505 = !lean_is_exclusive(x_494);
-if (x_505 == 0)
-{
-return x_494;
-}
-else
-{
-lean_object* x_506; lean_object* x_507; lean_object* x_508; 
-x_506 = lean_ctor_get(x_494, 0);
-x_507 = lean_ctor_get(x_494, 1);
-lean_inc(x_507);
-lean_inc(x_506);
-lean_dec(x_494);
-x_508 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_508, 0, x_506);
-lean_ctor_set(x_508, 1, x_507);
-return x_508;
-}
-}
-}
-else
-{
-lean_object* x_509; 
-lean_dec(x_471);
-x_509 = lean_ctor_get(x_493, 0);
-lean_inc(x_509);
-lean_dec(x_493);
-x_4 = x_509;
+lean_object* x_329; 
+lean_dec(x_310);
+x_329 = lean_ctor_get(x_313, 0);
+lean_inc(x_329);
+lean_dec(x_313);
+x_4 = x_329;
 x_5 = x_3;
 goto block_12;
 }
@@ -39913,197 +30127,102 @@ goto block_12;
 }
 case 11:
 {
-lean_object* x_510; uint8_t x_511; 
-x_510 = lean_ctor_get(x_2, 2);
-lean_inc(x_510);
-x_511 = lean_expr_has_expr_mvar(x_510);
-if (x_511 == 0)
+lean_object* x_330; uint8_t x_331; 
+x_330 = lean_ctor_get(x_2, 2);
+lean_inc(x_330);
+x_331 = l_Lean_Expr_hasMVar(x_330);
+if (x_331 == 0)
 {
-uint8_t x_512; 
-x_512 = lean_expr_has_level_mvar(x_510);
-if (x_512 == 0)
-{
-x_13 = x_510;
+x_13 = x_330;
 x_14 = x_3;
 goto block_21;
 }
 else
 {
-lean_object* x_513; lean_object* x_514; 
-x_513 = lean_ctor_get(x_3, 2);
-lean_inc(x_513);
-x_514 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_513, x_510);
-lean_dec(x_513);
-if (lean_obj_tag(x_514) == 0)
+lean_object* x_332; lean_object* x_333; 
+x_332 = lean_ctor_get(x_3, 2);
+lean_inc(x_332);
+x_333 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_332, x_330);
+lean_dec(x_332);
+if (lean_obj_tag(x_333) == 0)
 {
-lean_object* x_515; 
-lean_inc(x_510);
-x_515 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_510, x_3);
-if (lean_obj_tag(x_515) == 0)
+lean_object* x_334; 
+lean_inc(x_330);
+x_334 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_330, x_3);
+if (lean_obj_tag(x_334) == 0)
 {
-lean_object* x_516; lean_object* x_517; uint8_t x_518; 
-x_516 = lean_ctor_get(x_515, 1);
-lean_inc(x_516);
-x_517 = lean_ctor_get(x_515, 0);
-lean_inc(x_517);
-lean_dec(x_515);
-x_518 = !lean_is_exclusive(x_516);
-if (x_518 == 0)
+lean_object* x_335; lean_object* x_336; uint8_t x_337; 
+x_335 = lean_ctor_get(x_334, 1);
+lean_inc(x_335);
+x_336 = lean_ctor_get(x_334, 0);
+lean_inc(x_336);
+lean_dec(x_334);
+x_337 = !lean_is_exclusive(x_335);
+if (x_337 == 0)
 {
-lean_object* x_519; lean_object* x_520; 
-x_519 = lean_ctor_get(x_516, 2);
-lean_inc(x_517);
-x_520 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_519, x_510, x_517);
-lean_ctor_set(x_516, 2, x_520);
-x_13 = x_517;
-x_14 = x_516;
+lean_object* x_338; lean_object* x_339; 
+x_338 = lean_ctor_get(x_335, 2);
+lean_inc(x_336);
+x_339 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_338, x_330, x_336);
+lean_ctor_set(x_335, 2, x_339);
+x_13 = x_336;
+x_14 = x_335;
 goto block_21;
 }
 else
 {
-lean_object* x_521; lean_object* x_522; lean_object* x_523; lean_object* x_524; lean_object* x_525; 
-x_521 = lean_ctor_get(x_516, 0);
-x_522 = lean_ctor_get(x_516, 1);
-x_523 = lean_ctor_get(x_516, 2);
-lean_inc(x_523);
-lean_inc(x_522);
-lean_inc(x_521);
-lean_dec(x_516);
-lean_inc(x_517);
-x_524 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_523, x_510, x_517);
-x_525 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_525, 0, x_521);
-lean_ctor_set(x_525, 1, x_522);
-lean_ctor_set(x_525, 2, x_524);
-x_13 = x_517;
-x_14 = x_525;
+lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; 
+x_340 = lean_ctor_get(x_335, 0);
+x_341 = lean_ctor_get(x_335, 1);
+x_342 = lean_ctor_get(x_335, 2);
+lean_inc(x_342);
+lean_inc(x_341);
+lean_inc(x_340);
+lean_dec(x_335);
+lean_inc(x_336);
+x_343 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_342, x_330, x_336);
+x_344 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_344, 0, x_340);
+lean_ctor_set(x_344, 1, x_341);
+lean_ctor_set(x_344, 2, x_343);
+x_13 = x_336;
+x_14 = x_344;
 goto block_21;
 }
 }
 else
 {
-uint8_t x_526; 
-lean_dec(x_510);
+uint8_t x_345; 
+lean_dec(x_330);
 lean_dec(x_2);
-x_526 = !lean_is_exclusive(x_515);
-if (x_526 == 0)
+x_345 = !lean_is_exclusive(x_334);
+if (x_345 == 0)
 {
-return x_515;
+return x_334;
 }
 else
 {
-lean_object* x_527; lean_object* x_528; lean_object* x_529; 
-x_527 = lean_ctor_get(x_515, 0);
-x_528 = lean_ctor_get(x_515, 1);
-lean_inc(x_528);
-lean_inc(x_527);
-lean_dec(x_515);
-x_529 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_529, 0, x_527);
-lean_ctor_set(x_529, 1, x_528);
-return x_529;
+lean_object* x_346; lean_object* x_347; lean_object* x_348; 
+x_346 = lean_ctor_get(x_334, 0);
+x_347 = lean_ctor_get(x_334, 1);
+lean_inc(x_347);
+lean_inc(x_346);
+lean_dec(x_334);
+x_348 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_348, 0, x_346);
+lean_ctor_set(x_348, 1, x_347);
+return x_348;
 }
 }
 }
 else
 {
-lean_object* x_530; 
-lean_dec(x_510);
-x_530 = lean_ctor_get(x_514, 0);
-lean_inc(x_530);
-lean_dec(x_514);
-x_13 = x_530;
-x_14 = x_3;
-goto block_21;
-}
-}
-}
-else
-{
-lean_object* x_531; lean_object* x_532; 
-x_531 = lean_ctor_get(x_3, 2);
-lean_inc(x_531);
-x_532 = l_HashMapImp_find___at___private_Init_Lean_MetavarContext_2__visit___spec__1(x_531, x_510);
-lean_dec(x_531);
-if (lean_obj_tag(x_532) == 0)
-{
-lean_object* x_533; 
-lean_inc(x_510);
-x_533 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_510, x_3);
-if (lean_obj_tag(x_533) == 0)
-{
-lean_object* x_534; lean_object* x_535; uint8_t x_536; 
-x_534 = lean_ctor_get(x_533, 1);
-lean_inc(x_534);
-x_535 = lean_ctor_get(x_533, 0);
-lean_inc(x_535);
-lean_dec(x_533);
-x_536 = !lean_is_exclusive(x_534);
-if (x_536 == 0)
-{
-lean_object* x_537; lean_object* x_538; 
-x_537 = lean_ctor_get(x_534, 2);
-lean_inc(x_535);
-x_538 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_537, x_510, x_535);
-lean_ctor_set(x_534, 2, x_538);
-x_13 = x_535;
-x_14 = x_534;
-goto block_21;
-}
-else
-{
-lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; 
-x_539 = lean_ctor_get(x_534, 0);
-x_540 = lean_ctor_get(x_534, 1);
-x_541 = lean_ctor_get(x_534, 2);
-lean_inc(x_541);
-lean_inc(x_540);
-lean_inc(x_539);
-lean_dec(x_534);
-lean_inc(x_535);
-x_542 = l_HashMapImp_insert___at___private_Init_Lean_MetavarContext_2__visit___spec__3(x_541, x_510, x_535);
-x_543 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_543, 0, x_539);
-lean_ctor_set(x_543, 1, x_540);
-lean_ctor_set(x_543, 2, x_542);
-x_13 = x_535;
-x_14 = x_543;
-goto block_21;
-}
-}
-else
-{
-uint8_t x_544; 
-lean_dec(x_510);
-lean_dec(x_2);
-x_544 = !lean_is_exclusive(x_533);
-if (x_544 == 0)
-{
-return x_533;
-}
-else
-{
-lean_object* x_545; lean_object* x_546; lean_object* x_547; 
-x_545 = lean_ctor_get(x_533, 0);
-x_546 = lean_ctor_get(x_533, 1);
-lean_inc(x_546);
-lean_inc(x_545);
-lean_dec(x_533);
-x_547 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_547, 0, x_545);
-lean_ctor_set(x_547, 1, x_546);
-return x_547;
-}
-}
-}
-else
-{
-lean_object* x_548; 
-lean_dec(x_510);
-x_548 = lean_ctor_get(x_532, 0);
-lean_inc(x_548);
-lean_dec(x_532);
-x_13 = x_548;
+lean_object* x_349; 
+lean_dec(x_330);
+x_349 = lean_ctor_get(x_333, 0);
+lean_inc(x_349);
+lean_dec(x_333);
+x_13 = x_349;
 x_14 = x_3;
 goto block_21;
 }
@@ -40111,11 +30230,11 @@ goto block_21;
 }
 default: 
 {
-lean_object* x_549; 
-x_549 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_549, 0, x_2);
-lean_ctor_set(x_549, 1, x_3);
-return x_549;
+lean_object* x_350; 
+x_350 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_350, 0, x_2);
+lean_ctor_set(x_350, 1, x_3);
+return x_350;
 }
 }
 block_12:
@@ -40134,7 +30253,7 @@ else
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 lean_dec(x_4);
 lean_dec(x_2);
-x_8 = l_Lean_Expr_inhabited;
+x_8 = l_Lean_Expr_Inhabited;
 x_9 = l_Lean_Expr_updateMData_x21___closed__2;
 x_10 = lean_panic_fn(x_9);
 x_11 = lean_alloc_ctor(0, 2, 0);
@@ -40159,7 +30278,7 @@ else
 lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 lean_dec(x_13);
 lean_dec(x_2);
-x_17 = l_Lean_Expr_inhabited;
+x_17 = l_Lean_Expr_Inhabited;
 x_18 = l_Lean_Expr_updateProj_x21___closed__2;
 x_19 = lean_panic_fn(x_18);
 x_20 = lean_alloc_ctor(0, 2, 0);
@@ -40212,11 +30331,11 @@ lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l___private_Init_Lean_Expr_6__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(x_1, x_2, x_3, x_4);
+x_5 = l___private_Init_Lean_Expr_5__withAppRevAux___main___at___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main___spec__4(x_1, x_2, x_3, x_4);
 lean_dec(x_1);
 return x_5;
 }
@@ -40251,399 +30370,203 @@ lean_object* l_Lean_MetavarContext_MkBinding_elimMVarDeps(lean_object* x_1, lean
 _start:
 {
 uint8_t x_4; 
-x_4 = lean_expr_has_expr_mvar(x_2);
+x_4 = l_Lean_Expr_hasMVar(x_2);
 if (x_4 == 0)
 {
-uint8_t x_5; 
-x_5 = lean_expr_has_level_mvar(x_2);
-if (x_5 == 0)
-{
-lean_object* x_6; 
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_2);
-lean_ctor_set(x_6, 1, x_3);
-return x_6;
+lean_object* x_5; 
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_2);
+lean_ctor_set(x_5, 1, x_3);
+return x_5;
 }
 else
 {
-uint8_t x_7; 
-x_7 = !lean_is_exclusive(x_3);
-if (x_7 == 0)
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_3);
+if (x_6 == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_3, 2);
-x_9 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_3, 2, x_9);
-x_10 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_3);
-if (lean_obj_tag(x_10) == 0)
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_3, 2);
+x_8 = l_HashMap_Inhabited___closed__1;
+lean_ctor_set(x_3, 2, x_8);
+x_9 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_3);
+if (lean_obj_tag(x_9) == 0)
 {
-uint8_t x_11; 
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
+uint8_t x_10; 
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_10, 1);
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
+lean_object* x_11; uint8_t x_12; 
+x_11 = lean_ctor_get(x_9, 1);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_14; 
-x_14 = lean_ctor_get(x_12, 2);
-lean_dec(x_14);
-lean_ctor_set(x_12, 2, x_8);
-return x_10;
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_11, 2);
+lean_dec(x_13);
+lean_ctor_set(x_11, 2, x_7);
+return x_9;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_12, 0);
-x_16 = lean_ctor_get(x_12, 1);
-lean_inc(x_16);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_11, 0);
+x_15 = lean_ctor_get(x_11, 1);
 lean_inc(x_15);
-lean_dec(x_12);
-x_17 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_17, 0, x_15);
-lean_ctor_set(x_17, 1, x_16);
-lean_ctor_set(x_17, 2, x_8);
-lean_ctor_set(x_10, 1, x_17);
-return x_10;
+lean_inc(x_14);
+lean_dec(x_11);
+x_16 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_16, 0, x_14);
+lean_ctor_set(x_16, 1, x_15);
+lean_ctor_set(x_16, 2, x_7);
+lean_ctor_set(x_9, 1, x_16);
+return x_9;
 }
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_18 = lean_ctor_get(x_10, 1);
-x_19 = lean_ctor_get(x_10, 0);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_17 = lean_ctor_get(x_9, 1);
+x_18 = lean_ctor_get(x_9, 0);
+lean_inc(x_17);
 lean_inc(x_18);
+lean_dec(x_9);
+x_19 = lean_ctor_get(x_17, 0);
 lean_inc(x_19);
-lean_dec(x_10);
-x_20 = lean_ctor_get(x_18, 0);
+x_20 = lean_ctor_get(x_17, 1);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_18, 1);
-lean_inc(x_21);
-if (lean_is_exclusive(x_18)) {
- lean_ctor_release(x_18, 0);
- lean_ctor_release(x_18, 1);
- lean_ctor_release(x_18, 2);
- x_22 = x_18;
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ lean_ctor_release(x_17, 1);
+ lean_ctor_release(x_17, 2);
+ x_21 = x_17;
 } else {
- lean_dec_ref(x_18);
- x_22 = lean_box(0);
+ lean_dec_ref(x_17);
+ x_21 = lean_box(0);
 }
-if (lean_is_scalar(x_22)) {
- x_23 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_21)) {
+ x_22 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_23 = x_22;
+ x_22 = x_21;
 }
-lean_ctor_set(x_23, 0, x_20);
-lean_ctor_set(x_23, 1, x_21);
-lean_ctor_set(x_23, 2, x_8);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_19);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
+lean_ctor_set(x_22, 0, x_19);
+lean_ctor_set(x_22, 1, x_20);
+lean_ctor_set(x_22, 2, x_7);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_18);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
 }
 }
 else
 {
-uint8_t x_25; 
-lean_dec(x_8);
-x_25 = !lean_is_exclusive(x_10);
-if (x_25 == 0)
+uint8_t x_24; 
+lean_dec(x_7);
+x_24 = !lean_is_exclusive(x_9);
+if (x_24 == 0)
 {
-return x_10;
+return x_9;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_10, 0);
-x_27 = lean_ctor_get(x_10, 1);
-lean_inc(x_27);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_9, 0);
+x_26 = lean_ctor_get(x_9, 1);
 lean_inc(x_26);
-lean_dec(x_10);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
+lean_inc(x_25);
+lean_dec(x_9);
+x_27 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
 }
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_29 = lean_ctor_get(x_3, 0);
-x_30 = lean_ctor_get(x_3, 1);
-x_31 = lean_ctor_get(x_3, 2);
-lean_inc(x_31);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_28 = lean_ctor_get(x_3, 0);
+x_29 = lean_ctor_get(x_3, 1);
+x_30 = lean_ctor_get(x_3, 2);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
 lean_dec(x_3);
-x_32 = l_HashMap_Inhabited___closed__1;
-x_33 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_33, 0, x_29);
-lean_ctor_set(x_33, 1, x_30);
-lean_ctor_set(x_33, 2, x_32);
-x_34 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_33);
-if (lean_obj_tag(x_34) == 0)
+x_31 = l_HashMap_Inhabited___closed__1;
+x_32 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_32, 0, x_28);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_31);
+x_33 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_32);
+if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_35 = lean_ctor_get(x_34, 1);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_33, 0);
 lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 0);
-lean_inc(x_36);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- x_37 = x_34;
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_36 = x_33;
 } else {
- lean_dec_ref(x_34);
- x_37 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_36 = lean_box(0);
 }
-x_38 = lean_ctor_get(x_35, 0);
+x_37 = lean_ctor_get(x_34, 0);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_34, 1);
 lean_inc(x_38);
-x_39 = lean_ctor_get(x_35, 1);
-lean_inc(x_39);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- lean_ctor_release(x_35, 2);
- x_40 = x_35;
-} else {
- lean_dec_ref(x_35);
- x_40 = lean_box(0);
-}
-if (lean_is_scalar(x_40)) {
- x_41 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_41 = x_40;
-}
-lean_ctor_set(x_41, 0, x_38);
-lean_ctor_set(x_41, 1, x_39);
-lean_ctor_set(x_41, 2, x_31);
-if (lean_is_scalar(x_37)) {
- x_42 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_42 = x_37;
-}
-lean_ctor_set(x_42, 0, x_36);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-lean_dec(x_31);
-x_43 = lean_ctor_get(x_34, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_34, 1);
-lean_inc(x_44);
 if (lean_is_exclusive(x_34)) {
  lean_ctor_release(x_34, 0);
  lean_ctor_release(x_34, 1);
- x_45 = x_34;
+ lean_ctor_release(x_34, 2);
+ x_39 = x_34;
 } else {
  lean_dec_ref(x_34);
- x_45 = lean_box(0);
+ x_39 = lean_box(0);
 }
-if (lean_is_scalar(x_45)) {
- x_46 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_39)) {
+ x_40 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_46 = x_45;
-}
-lean_ctor_set(x_46, 0, x_43);
-lean_ctor_set(x_46, 1, x_44);
-return x_46;
-}
+ x_40 = x_39;
 }
+lean_ctor_set(x_40, 0, x_37);
+lean_ctor_set(x_40, 1, x_38);
+lean_ctor_set(x_40, 2, x_30);
+if (lean_is_scalar(x_36)) {
+ x_41 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_41 = x_36;
 }
+lean_ctor_set(x_41, 0, x_35);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
 }
 else
 {
-uint8_t x_47; 
-x_47 = !lean_is_exclusive(x_3);
-if (x_47 == 0)
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_3, 2);
-x_49 = l_HashMap_Inhabited___closed__1;
-lean_ctor_set(x_3, 2, x_49);
-x_50 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_3);
-if (lean_obj_tag(x_50) == 0)
-{
-uint8_t x_51; 
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; uint8_t x_53; 
-x_52 = lean_ctor_get(x_50, 1);
-x_53 = !lean_is_exclusive(x_52);
-if (x_53 == 0)
-{
-lean_object* x_54; 
-x_54 = lean_ctor_get(x_52, 2);
-lean_dec(x_54);
-lean_ctor_set(x_52, 2, x_48);
-return x_50;
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_52, 0);
-x_56 = lean_ctor_get(x_52, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_52);
-x_57 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_57, 0, x_55);
-lean_ctor_set(x_57, 1, x_56);
-lean_ctor_set(x_57, 2, x_48);
-lean_ctor_set(x_50, 1, x_57);
-return x_50;
-}
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_58 = lean_ctor_get(x_50, 1);
-x_59 = lean_ctor_get(x_50, 0);
-lean_inc(x_58);
-lean_inc(x_59);
-lean_dec(x_50);
-x_60 = lean_ctor_get(x_58, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_58, 1);
-lean_inc(x_61);
-if (lean_is_exclusive(x_58)) {
- lean_ctor_release(x_58, 0);
- lean_ctor_release(x_58, 1);
- lean_ctor_release(x_58, 2);
- x_62 = x_58;
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+lean_dec(x_30);
+x_42 = lean_ctor_get(x_33, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_33, 1);
+lean_inc(x_43);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_44 = x_33;
 } else {
- lean_dec_ref(x_58);
- x_62 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_44 = lean_box(0);
 }
-if (lean_is_scalar(x_62)) {
- x_63 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_44)) {
+ x_45 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_63 = x_62;
+ x_45 = x_44;
 }
-lean_ctor_set(x_63, 0, x_60);
-lean_ctor_set(x_63, 1, x_61);
-lean_ctor_set(x_63, 2, x_48);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_59);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
-}
-}
-else
-{
-uint8_t x_65; 
-lean_dec(x_48);
-x_65 = !lean_is_exclusive(x_50);
-if (x_65 == 0)
-{
-return x_50;
-}
-else
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_66 = lean_ctor_get(x_50, 0);
-x_67 = lean_ctor_get(x_50, 1);
-lean_inc(x_67);
-lean_inc(x_66);
-lean_dec(x_50);
-x_68 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_68, 0, x_66);
-lean_ctor_set(x_68, 1, x_67);
-return x_68;
-}
-}
-}
-else
-{
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_69 = lean_ctor_get(x_3, 0);
-x_70 = lean_ctor_get(x_3, 1);
-x_71 = lean_ctor_get(x_3, 2);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_inc(x_69);
-lean_dec(x_3);
-x_72 = l_HashMap_Inhabited___closed__1;
-x_73 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_73, 0, x_69);
-lean_ctor_set(x_73, 1, x_70);
-lean_ctor_set(x_73, 2, x_72);
-x_74 = l___private_Init_Lean_MetavarContext_22__elimMVarDepsAux___main(x_1, x_2, x_73);
-if (lean_obj_tag(x_74) == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_75 = lean_ctor_get(x_74, 1);
-lean_inc(x_75);
-x_76 = lean_ctor_get(x_74, 0);
-lean_inc(x_76);
-if (lean_is_exclusive(x_74)) {
- lean_ctor_release(x_74, 0);
- lean_ctor_release(x_74, 1);
- x_77 = x_74;
-} else {
- lean_dec_ref(x_74);
- x_77 = lean_box(0);
-}
-x_78 = lean_ctor_get(x_75, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_75, 1);
-lean_inc(x_79);
-if (lean_is_exclusive(x_75)) {
- lean_ctor_release(x_75, 0);
- lean_ctor_release(x_75, 1);
- lean_ctor_release(x_75, 2);
- x_80 = x_75;
-} else {
- lean_dec_ref(x_75);
- x_80 = lean_box(0);
-}
-if (lean_is_scalar(x_80)) {
- x_81 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_81 = x_80;
-}
-lean_ctor_set(x_81, 0, x_78);
-lean_ctor_set(x_81, 1, x_79);
-lean_ctor_set(x_81, 2, x_71);
-if (lean_is_scalar(x_77)) {
- x_82 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_82 = x_77;
-}
-lean_ctor_set(x_82, 0, x_76);
-lean_ctor_set(x_82, 1, x_81);
-return x_82;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-lean_dec(x_71);
-x_83 = lean_ctor_get(x_74, 0);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 1);
-lean_inc(x_84);
-if (lean_is_exclusive(x_74)) {
- lean_ctor_release(x_74, 0);
- lean_ctor_release(x_74, 1);
- x_85 = x_74;
-} else {
- lean_dec_ref(x_74);
- x_85 = lean_box(0);
-}
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_86 = x_85;
-}
-lean_ctor_set(x_86, 0, x_83);
-lean_ctor_set(x_86, 1, x_84);
-return x_86;
+lean_ctor_set(x_45, 0, x_42);
+lean_ctor_set(x_45, 1, x_43);
+return x_45;
 }
 }
 }
@@ -40662,7 +30585,7 @@ lean_object* l_Nat_foldRevMAux___main___at_Lean_MetavarContext_mkBinding___spec_
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = l_Lean_Expr_inhabited;
+x_8 = l_Lean_Expr_Inhabited;
 x_9 = lean_array_get(x_8, x_1, x_2);
 x_10 = l_Lean_LocalContext_findFVar(x_3, x_9);
 lean_dec(x_9);
@@ -40706,14 +30629,14 @@ lean_dec(x_21);
 if (x_5 == 0)
 {
 lean_object* x_23; 
-x_23 = lean_expr_mk_forall(x_16, x_18, x_22, x_6);
+x_23 = l_Lean_mkForall(x_16, x_18, x_22, x_6);
 lean_ctor_set(x_19, 0, x_23);
 return x_19;
 }
 else
 {
 lean_object* x_24; 
-x_24 = lean_expr_mk_lambda(x_16, x_18, x_22, x_6);
+x_24 = l_Lean_mkLambda(x_16, x_18, x_22, x_6);
 lean_ctor_set(x_19, 0, x_24);
 return x_19;
 }
@@ -40731,7 +30654,7 @@ lean_dec(x_25);
 if (x_5 == 0)
 {
 lean_object* x_28; lean_object* x_29; 
-x_28 = lean_expr_mk_forall(x_16, x_18, x_27, x_6);
+x_28 = l_Lean_mkForall(x_16, x_18, x_27, x_6);
 x_29 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_26);
@@ -40740,7 +30663,7 @@ return x_29;
 else
 {
 lean_object* x_30; lean_object* x_31; 
-x_30 = lean_expr_mk_lambda(x_16, x_18, x_27, x_6);
+x_30 = l_Lean_mkLambda(x_16, x_18, x_27, x_6);
 x_31 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
 lean_ctor_set(x_31, 1, x_26);
@@ -40817,80 +30740,82 @@ uint8_t x_47;
 x_47 = !lean_is_exclusive(x_46);
 if (x_47 == 0)
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_object* x_48; lean_object* x_49; uint8_t x_50; lean_object* x_51; 
 x_48 = lean_ctor_get(x_46, 0);
 x_49 = lean_expr_abstract_range(x_48, x_2, x_1);
 lean_dec(x_48);
-x_50 = lean_expr_mk_let(x_36, x_45, x_49, x_6);
-lean_ctor_set(x_46, 0, x_50);
+x_50 = 0;
+x_51 = l_Lean_mkLet(x_36, x_45, x_49, x_6, x_50);
+lean_ctor_set(x_46, 0, x_51);
 return x_46;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_51 = lean_ctor_get(x_46, 0);
-x_52 = lean_ctor_get(x_46, 1);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; 
+x_52 = lean_ctor_get(x_46, 0);
+x_53 = lean_ctor_get(x_46, 1);
+lean_inc(x_53);
 lean_inc(x_52);
-lean_inc(x_51);
 lean_dec(x_46);
-x_53 = lean_expr_abstract_range(x_51, x_2, x_1);
-lean_dec(x_51);
-x_54 = lean_expr_mk_let(x_36, x_45, x_53, x_6);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_54);
-lean_ctor_set(x_55, 1, x_52);
-return x_55;
+x_54 = lean_expr_abstract_range(x_52, x_2, x_1);
+lean_dec(x_52);
+x_55 = 0;
+x_56 = l_Lean_mkLet(x_36, x_45, x_54, x_6, x_55);
+x_57 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_53);
+return x_57;
 }
 }
 else
 {
-uint8_t x_56; 
+uint8_t x_58; 
 lean_dec(x_45);
 lean_dec(x_36);
 lean_dec(x_6);
-x_56 = !lean_is_exclusive(x_46);
-if (x_56 == 0)
+x_58 = !lean_is_exclusive(x_46);
+if (x_58 == 0)
 {
 return x_46;
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_57 = lean_ctor_get(x_46, 0);
-x_58 = lean_ctor_get(x_46, 1);
-lean_inc(x_58);
-lean_inc(x_57);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_46, 0);
+x_60 = lean_ctor_get(x_46, 1);
+lean_inc(x_60);
+lean_inc(x_59);
 lean_dec(x_46);
-x_59 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_59, 0, x_57);
-lean_ctor_set(x_59, 1, x_58);
-return x_59;
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
 }
 }
 else
 {
-uint8_t x_60; 
+uint8_t x_62; 
 lean_dec(x_38);
 lean_dec(x_36);
 lean_dec(x_6);
-x_60 = !lean_is_exclusive(x_42);
-if (x_60 == 0)
+x_62 = !lean_is_exclusive(x_42);
+if (x_62 == 0)
 {
 return x_42;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_42, 0);
-x_62 = lean_ctor_get(x_42, 1);
-lean_inc(x_62);
-lean_inc(x_61);
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_42, 0);
+x_64 = lean_ctor_get(x_42, 1);
+lean_inc(x_64);
+lean_inc(x_63);
 lean_dec(x_42);
-x_63 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_63, 0, x_61);
-lean_ctor_set(x_63, 1, x_62);
-return x_63;
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
 }
 }
 }
@@ -41066,13 +30991,13 @@ x_6 = l_Lean_MetavarContext_MkBinding_mkBinding___at_Lean_MetavarContext_mkBindi
 return x_6;
 }
 }
-uint8_t l_Lean_MetavarContext_isWellFormed___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_Lean_MetavarContext_isWellFormed___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 switch (lean_obj_tag(x_3)) {
 case 1:
 {
-lean_object* x_4; uint8_t x_5; 
+lean_object* x_4; uint8_t x_5; lean_object* x_6; 
 lean_dec(x_1);
 x_4 = lean_ctor_get(x_3, 0);
 lean_inc(x_4);
@@ -41080,317 +31005,348 @@ lean_dec(x_3);
 x_5 = l_Lean_LocalContext_contains(x_2, x_4);
 lean_dec(x_4);
 lean_dec(x_2);
-return x_5;
+x_6 = lean_box(x_5);
+return x_6;
 }
 case 2:
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
-x_6 = lean_ctor_get(x_3, 0);
-lean_inc(x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_ctor_get(x_3, 0);
+lean_inc(x_7);
 lean_dec(x_3);
-x_7 = l_Lean_MetavarContext_getDecl(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 1);
-lean_inc(x_8);
-lean_dec(x_7);
+x_8 = l_Lean_MetavarContext_getDecl(x_1, x_7);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+lean_dec(x_8);
 lean_inc(x_2);
-x_9 = l_Lean_LocalContext_isSubPrefixOf(x_8, x_2);
-if (x_9 == 0)
+x_10 = l_Lean_LocalContext_isSubPrefixOf(x_9, x_2);
+if (x_10 == 0)
 {
-lean_object* x_10; 
+lean_object* x_11; 
 lean_inc(x_1);
-x_10 = lean_metavar_ctx_get_expr_assignment(x_1, x_6);
-if (lean_obj_tag(x_10) == 0)
+x_11 = lean_metavar_ctx_get_expr_assignment(x_1, x_7);
+if (lean_obj_tag(x_11) == 0)
 {
-uint8_t x_11; 
+uint8_t x_12; lean_object* x_13; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_11 = 0;
-return x_11;
+x_12 = 0;
+x_13 = lean_box(x_12);
+return x_13;
 }
 else
 {
-lean_object* x_12; 
-x_12 = lean_ctor_get(x_10, 0);
-lean_inc(x_12);
-lean_dec(x_10);
-x_3 = x_12;
+lean_object* x_14; 
+x_14 = lean_ctor_get(x_11, 0);
+lean_inc(x_14);
+lean_dec(x_11);
+x_3 = x_14;
 goto _start;
 }
 }
 else
 {
-uint8_t x_14; 
-lean_dec(x_6);
+uint8_t x_16; lean_object* x_17; 
+lean_dec(x_7);
 lean_dec(x_2);
 lean_dec(x_1);
-x_14 = 1;
-return x_14;
+x_16 = 1;
+x_17 = lean_box(x_16);
+return x_17;
 }
 }
 case 5:
 {
-lean_object* x_15; lean_object* x_16; uint8_t x_17; 
-x_15 = lean_ctor_get(x_3, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_3, 1);
-lean_inc(x_16);
-x_17 = lean_expr_has_expr_mvar(x_3);
-if (x_17 == 0)
-{
-uint8_t x_18; 
-x_18 = lean_expr_has_fvar(x_3);
-lean_dec(x_3);
-if (x_18 == 0)
-{
-uint8_t x_19; 
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_2);
-lean_dec(x_1);
-x_19 = 0;
-return x_19;
-}
-else
-{
-uint8_t x_20; 
-lean_inc(x_2);
-lean_inc(x_1);
-x_20 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_15);
+lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_18 = lean_ctor_get(x_3, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_3, 1);
+lean_inc(x_19);
+x_20 = l_Lean_Expr_hasExprMVar(x_3);
 if (x_20 == 0)
 {
 uint8_t x_21; 
-lean_dec(x_16);
+x_21 = l_Lean_Expr_hasFVar(x_3);
+lean_dec(x_3);
+if (x_21 == 0)
+{
+uint8_t x_22; lean_object* x_23; 
+lean_dec(x_19);
+lean_dec(x_18);
 lean_dec(x_2);
 lean_dec(x_1);
-x_21 = 0;
-return x_21;
+x_22 = 0;
+x_23 = lean_box(x_22);
+return x_23;
 }
 else
 {
-x_3 = x_16;
+lean_object* x_24; uint8_t x_25; 
+lean_inc(x_2);
+lean_inc(x_1);
+x_24 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_18);
+x_25 = lean_unbox(x_24);
+lean_dec(x_24);
+if (x_25 == 0)
+{
+uint8_t x_26; lean_object* x_27; 
+lean_dec(x_19);
+lean_dec(x_2);
+lean_dec(x_1);
+x_26 = 0;
+x_27 = lean_box(x_26);
+return x_27;
+}
+else
+{
+x_3 = x_19;
 goto _start;
 }
 }
 }
 else
 {
-uint8_t x_23; 
+lean_object* x_29; uint8_t x_30; 
 lean_dec(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_23 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_15);
-if (x_23 == 0)
+x_29 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_18);
+x_30 = lean_unbox(x_29);
+lean_dec(x_29);
+if (x_30 == 0)
 {
-uint8_t x_24; 
-lean_dec(x_16);
+uint8_t x_31; lean_object* x_32; 
+lean_dec(x_19);
 lean_dec(x_2);
 lean_dec(x_1);
-x_24 = 0;
-return x_24;
+x_31 = 0;
+x_32 = lean_box(x_31);
+return x_32;
 }
 else
 {
-x_3 = x_16;
+x_3 = x_19;
 goto _start;
 }
 }
 }
 case 6:
 {
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_26 = lean_ctor_get(x_3, 1);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_3, 2);
-lean_inc(x_27);
-x_28 = lean_expr_has_expr_mvar(x_3);
-if (x_28 == 0)
+lean_object* x_34; lean_object* x_35; uint8_t x_36; 
+x_34 = lean_ctor_get(x_3, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_3, 2);
+lean_inc(x_35);
+x_36 = l_Lean_Expr_hasExprMVar(x_3);
+if (x_36 == 0)
 {
-uint8_t x_29; 
-x_29 = lean_expr_has_fvar(x_3);
+uint8_t x_37; 
+x_37 = l_Lean_Expr_hasFVar(x_3);
 lean_dec(x_3);
-if (x_29 == 0)
+if (x_37 == 0)
 {
-uint8_t x_30; 
-lean_dec(x_27);
-lean_dec(x_26);
+uint8_t x_38; lean_object* x_39; 
+lean_dec(x_35);
+lean_dec(x_34);
 lean_dec(x_2);
 lean_dec(x_1);
-x_30 = 0;
-return x_30;
+x_38 = 0;
+x_39 = lean_box(x_38);
+return x_39;
 }
 else
 {
-uint8_t x_31; 
+lean_object* x_40; uint8_t x_41; 
 lean_inc(x_2);
 lean_inc(x_1);
-x_31 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_26);
-if (x_31 == 0)
+x_40 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_34);
+x_41 = lean_unbox(x_40);
+lean_dec(x_40);
+if (x_41 == 0)
 {
-uint8_t x_32; 
-lean_dec(x_27);
+uint8_t x_42; lean_object* x_43; 
+lean_dec(x_35);
 lean_dec(x_2);
 lean_dec(x_1);
-x_32 = 0;
-return x_32;
+x_42 = 0;
+x_43 = lean_box(x_42);
+return x_43;
 }
 else
 {
-x_3 = x_27;
+x_3 = x_35;
 goto _start;
 }
 }
 }
 else
 {
-uint8_t x_34; 
+lean_object* x_45; uint8_t x_46; 
 lean_dec(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_34 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_26);
-if (x_34 == 0)
+x_45 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_34);
+x_46 = lean_unbox(x_45);
+lean_dec(x_45);
+if (x_46 == 0)
 {
-uint8_t x_35; 
-lean_dec(x_27);
+uint8_t x_47; lean_object* x_48; 
+lean_dec(x_35);
 lean_dec(x_2);
 lean_dec(x_1);
-x_35 = 0;
-return x_35;
+x_47 = 0;
+x_48 = lean_box(x_47);
+return x_48;
 }
 else
 {
-x_3 = x_27;
+x_3 = x_35;
 goto _start;
 }
 }
 }
 case 7:
 {
-lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-x_37 = lean_ctor_get(x_3, 1);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_3, 2);
-lean_inc(x_38);
-x_39 = lean_expr_has_expr_mvar(x_3);
-if (x_39 == 0)
+lean_object* x_50; lean_object* x_51; uint8_t x_52; 
+x_50 = lean_ctor_get(x_3, 1);
+lean_inc(x_50);
+x_51 = lean_ctor_get(x_3, 2);
+lean_inc(x_51);
+x_52 = l_Lean_Expr_hasExprMVar(x_3);
+if (x_52 == 0)
 {
-uint8_t x_40; 
-x_40 = lean_expr_has_fvar(x_3);
+uint8_t x_53; 
+x_53 = l_Lean_Expr_hasFVar(x_3);
 lean_dec(x_3);
-if (x_40 == 0)
+if (x_53 == 0)
 {
-uint8_t x_41; 
-lean_dec(x_38);
-lean_dec(x_37);
+uint8_t x_54; lean_object* x_55; 
+lean_dec(x_51);
+lean_dec(x_50);
 lean_dec(x_2);
 lean_dec(x_1);
-x_41 = 0;
-return x_41;
+x_54 = 0;
+x_55 = lean_box(x_54);
+return x_55;
 }
 else
 {
-uint8_t x_42; 
+lean_object* x_56; uint8_t x_57; 
 lean_inc(x_2);
 lean_inc(x_1);
-x_42 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_37);
-if (x_42 == 0)
+x_56 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_50);
+x_57 = lean_unbox(x_56);
+lean_dec(x_56);
+if (x_57 == 0)
 {
-uint8_t x_43; 
-lean_dec(x_38);
+uint8_t x_58; lean_object* x_59; 
+lean_dec(x_51);
 lean_dec(x_2);
 lean_dec(x_1);
-x_43 = 0;
-return x_43;
+x_58 = 0;
+x_59 = lean_box(x_58);
+return x_59;
 }
 else
 {
-x_3 = x_38;
+x_3 = x_51;
 goto _start;
 }
 }
 }
 else
 {
-uint8_t x_45; 
+lean_object* x_61; uint8_t x_62; 
 lean_dec(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_45 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_37);
-if (x_45 == 0)
+x_61 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_50);
+x_62 = lean_unbox(x_61);
+lean_dec(x_61);
+if (x_62 == 0)
 {
-uint8_t x_46; 
-lean_dec(x_38);
+uint8_t x_63; lean_object* x_64; 
+lean_dec(x_51);
 lean_dec(x_2);
 lean_dec(x_1);
-x_46 = 0;
-return x_46;
+x_63 = 0;
+x_64 = lean_box(x_63);
+return x_64;
 }
 else
 {
-x_3 = x_38;
+x_3 = x_51;
 goto _start;
 }
 }
 }
 case 8:
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_48 = lean_ctor_get(x_3, 1);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_3, 2);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_3, 3);
-lean_inc(x_50);
-x_51 = lean_expr_has_expr_mvar(x_3);
-if (x_51 == 0)
+lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+x_66 = lean_ctor_get(x_3, 1);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_3, 2);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_3, 3);
+lean_inc(x_68);
+x_69 = l_Lean_Expr_hasExprMVar(x_3);
+if (x_69 == 0)
 {
-uint8_t x_52; 
-x_52 = lean_expr_has_fvar(x_3);
+uint8_t x_70; 
+x_70 = l_Lean_Expr_hasFVar(x_3);
 lean_dec(x_3);
-if (x_52 == 0)
+if (x_70 == 0)
 {
-uint8_t x_53; 
-lean_dec(x_50);
-lean_dec(x_49);
-lean_dec(x_48);
+uint8_t x_71; lean_object* x_72; 
+lean_dec(x_68);
+lean_dec(x_67);
+lean_dec(x_66);
 lean_dec(x_2);
 lean_dec(x_1);
-x_53 = 0;
-return x_53;
+x_71 = 0;
+x_72 = lean_box(x_71);
+return x_72;
 }
 else
 {
-uint8_t x_54; 
+lean_object* x_73; uint8_t x_74; 
 lean_inc(x_2);
 lean_inc(x_1);
-x_54 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_48);
-if (x_54 == 0)
+x_73 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_66);
+x_74 = lean_unbox(x_73);
+lean_dec(x_73);
+if (x_74 == 0)
 {
-uint8_t x_55; 
-lean_dec(x_50);
-lean_dec(x_49);
+uint8_t x_75; lean_object* x_76; 
+lean_dec(x_68);
+lean_dec(x_67);
 lean_dec(x_2);
 lean_dec(x_1);
-x_55 = 0;
-return x_55;
+x_75 = 0;
+x_76 = lean_box(x_75);
+return x_76;
 }
 else
 {
-uint8_t x_56; 
+lean_object* x_77; uint8_t x_78; 
 lean_inc(x_2);
 lean_inc(x_1);
-x_56 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_49);
-if (x_56 == 0)
+x_77 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_67);
+x_78 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_78 == 0)
 {
-uint8_t x_57; 
-lean_dec(x_50);
+uint8_t x_79; lean_object* x_80; 
+lean_dec(x_68);
 lean_dec(x_2);
 lean_dec(x_1);
-x_57 = 0;
-return x_57;
+x_79 = 0;
+x_80 = lean_box(x_79);
+return x_80;
 }
 else
 {
-x_3 = x_50;
+x_3 = x_68;
 goto _start;
 }
 }
@@ -41398,39 +31354,45 @@ goto _start;
 }
 else
 {
-uint8_t x_59; 
+lean_object* x_82; uint8_t x_83; 
 lean_dec(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_59 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_48);
-if (x_59 == 0)
+x_82 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_66);
+x_83 = lean_unbox(x_82);
+lean_dec(x_82);
+if (x_83 == 0)
 {
-uint8_t x_60; 
-lean_dec(x_50);
-lean_dec(x_49);
+uint8_t x_84; lean_object* x_85; 
+lean_dec(x_68);
+lean_dec(x_67);
 lean_dec(x_2);
 lean_dec(x_1);
-x_60 = 0;
-return x_60;
+x_84 = 0;
+x_85 = lean_box(x_84);
+return x_85;
 }
 else
 {
-uint8_t x_61; 
+lean_object* x_86; uint8_t x_87; 
 lean_inc(x_2);
 lean_inc(x_1);
-x_61 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_49);
-if (x_61 == 0)
+x_86 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_67);
+x_87 = lean_unbox(x_86);
+lean_dec(x_86);
+if (x_87 == 0)
 {
-uint8_t x_62; 
-lean_dec(x_50);
+uint8_t x_88; lean_object* x_89; 
+lean_dec(x_68);
 lean_dec(x_2);
 lean_dec(x_1);
-x_62 = 0;
-return x_62;
+x_88 = 0;
+x_89 = lean_box(x_88);
+return x_89;
 }
 else
 {
-x_3 = x_50;
+x_3 = x_68;
 goto _start;
 }
 }
@@ -41438,60 +31400,54 @@ goto _start;
 }
 case 10:
 {
-lean_object* x_64; 
-x_64 = lean_ctor_get(x_3, 1);
-lean_inc(x_64);
+lean_object* x_91; 
+x_91 = lean_ctor_get(x_3, 1);
+lean_inc(x_91);
 lean_dec(x_3);
-x_3 = x_64;
+x_3 = x_91;
 goto _start;
 }
 case 11:
 {
-lean_object* x_66; 
-x_66 = lean_ctor_get(x_3, 2);
-lean_inc(x_66);
+lean_object* x_93; 
+x_93 = lean_ctor_get(x_3, 2);
+lean_inc(x_93);
 lean_dec(x_3);
-x_3 = x_66;
+x_3 = x_93;
 goto _start;
 }
-default: 
+case 12:
 {
-uint8_t x_68; 
+uint8_t x_95; lean_object* x_96; lean_object* x_97; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_68 = 1;
-return x_68;
+x_95 = l_Bool_Inhabited;
+x_96 = lean_box(x_95);
+x_97 = l_unreachable_x21___rarg(x_96);
+return x_97;
+}
+default: 
+{
+uint8_t x_98; lean_object* x_99; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_98 = 1;
+x_99 = lean_box(x_98);
+return x_99;
 }
 }
 }
 }
-lean_object* l_Lean_MetavarContext_isWellFormed___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_Lean_MetavarContext_isWellFormed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-uint8_t x_4; lean_object* x_5; 
-x_4 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_3);
-x_5 = lean_box(x_4);
-return x_5;
-}
-}
-uint8_t l_Lean_MetavarContext_isWellFormed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-uint8_t x_4; 
+lean_object* x_4; 
 x_4 = l_Lean_MetavarContext_isWellFormed___main(x_1, x_2, x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_MetavarContext_isWellFormed___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-uint8_t x_4; lean_object* x_5; 
-x_4 = l_Lean_MetavarContext_isWellFormed(x_1, x_2, x_3);
-x_5 = lean_box(x_4);
-return x_5;
-}
-}
 lean_object* initialize_Init_Data_Nat_Default(lean_object*);
 lean_object* initialize_Init_Data_Option_Default(lean_object*);
 lean_object* initialize_Init_Control_Reader(lean_object*);
diff --git a/stage0/library/Init/Lean/Parser/Parser.c b/stage0/library/Init/Lean/Parser/Parser.c
index 97c9a84e4c..34b67381e0 100644
--- a/stage0/library/Init/Lean/Parser/Parser.c
+++ b/stage0/library/Init/Lean/Parser/Parser.c
@@ -127,6 +127,7 @@ lean_object* l_Lean_Parser_ParserAttribute_runParser(lean_object*, lean_object*,
 lean_object* l_Lean_Parser_runBuiltinParser___rarg___boxed(lean_object*);
 lean_object* l_List_hasDecEq___main___at_Lean_Parser_Error_toString___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_mkParserContextCore___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_takeUntilFn___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_takeUntilFn___main___at_Lean_Parser_binNumberFn___spec__3___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_strLitFnAux___boxed(lean_object*, lean_object*, lean_object*);
@@ -165,7 +166,6 @@ lean_object* l___private_Init_Lean_Parser_Parser_5__tokenFnAux(lean_object*, lea
 lean_object* l_Lean_Syntax_getOptional(lean_object*);
 lean_object* l_Lean_Parser_initCacheForInput(lean_object*);
 lean_object* l_Lean_Parser_rawFn___boxed(lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Environment_5__envExtensionsRef;
 lean_object* l_Lean_Parser_TokenTableAttribute_inhabited___closed__4;
 lean_object* l_Lean_Parser_takeUntilFn___main___at_Lean_Parser_whitespace___main___spec__1(lean_object*, lean_object*);
@@ -237,6 +237,7 @@ lean_object* l_List_foldl___main___at_Lean_Parser_addBuiltinLeadingParser___spec
 lean_object* l_Lean_Syntax_isNone(lean_object*);
 lean_object* l_Lean_Parser_getSyntaxNodeKinds(lean_object*);
 lean_object* l___private_Init_Lean_Parser_Parser_2__sepByFnAux___main(uint8_t, lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_checkWsBeforeFn___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_takeUntilFn___boxed(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Options_empty;
@@ -330,7 +331,6 @@ lean_object* l_Lean_AttributeImpl_inhabited___lambda__5(lean_object*, lean_objec
 lean_object* l_Lean_Parser_currLbp___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_symbolNoWsFn___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_ParserState_mkEOIError___closed__1;
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_hashOrelse___boxed(lean_object*);
 lean_object* l_Lean_Syntax_mfoldArgsAux___main___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_symbolNoWsInfo___elambda__2(lean_object*, lean_object*, lean_object*);
@@ -26628,7 +26628,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l___private_Init_Lean_Compiler_InitAttr_1__getIOTypeArg___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -26638,7 +26638,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l___private_Init_Lean_Compiler_InitAttr_2__isUnitType___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -26648,7 +26648,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Parser_declareBuiltinParser___closed__3;
 x_2 = l_Lean_Parser_declareBuiltinParser___closed__4;
-x_3 = lean_expr_mk_app(x_1, x_2);
+x_3 = l_Lean_mkApp(x_1, x_2);
 return x_3;
 }
 }
@@ -26677,11 +26677,11 @@ x_6 = l_Lean_Parser_declareBuiltinParser___closed__2;
 lean_inc(x_4);
 x_7 = l_Lean_Name_append___main(x_6, x_4);
 x_8 = lean_box(0);
-x_9 = lean_expr_mk_const(x_3, x_8);
+x_9 = l_Lean_mkConst(x_3, x_8);
 lean_inc(x_4);
 x_10 = l_Lean_nameToExprAux___main(x_4);
 lean_inc(x_4);
-x_11 = lean_expr_mk_const(x_4, x_8);
+x_11 = l_Lean_mkConst(x_4, x_8);
 x_12 = l_Lean_Parser_declareBuiltinParser___closed__6;
 x_13 = lean_array_push(x_12, x_9);
 x_14 = lean_array_push(x_13, x_10);
diff --git a/stage0/library/Init/Lean/ToExpr.c b/stage0/library/Init/Lean/ToExpr.c
index ea4c72650b..9800c63237 100644
--- a/stage0/library/Init/Lean/ToExpr.c
+++ b/stage0/library/Init/Lean/ToExpr.c
@@ -17,7 +17,7 @@ lean_object* l_Lean_strToExpr;
 lean_object* l_Lean_mkStrLit(lean_object*);
 lean_object* l_Lean_nameToExprAux___main___closed__3;
 lean_object* l_Lean_nameToExprAux___main___closed__1;
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_nameToExprAux___main___closed__7;
 lean_object* l_Lean_nameToExprAux___main___closed__8;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
@@ -171,7 +171,7 @@ x_5 = lean_name_mk_string(x_3, x_4);
 x_6 = l_Lean_nameToExprAux___main___closed__3;
 x_7 = lean_name_mk_string(x_5, x_6);
 x_8 = lean_box(0);
-x_9 = lean_expr_mk_const(x_7, x_8);
+x_9 = l_Lean_mkConst(x_7, x_8);
 return x_9;
 }
 case 1:
diff --git a/stage0/library/Init/Lean/TypeClass/Basic.c b/stage0/library/Init/Lean/TypeClass/Basic.c
index 95144c6247..bf07a07034 100644
--- a/stage0/library/Init/Lean/TypeClass/Basic.c
+++ b/stage0/library/Init/Lean/TypeClass/Basic.c
@@ -15,12 +15,12 @@ extern "C" {
 #endif
 extern lean_object* l_Array_empty___closed__1;
 extern lean_object* l_PersistentHashMap_empty___rarg___closed__2;
+extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 lean_object* l_Lean_TypeClass_synthCommand___closed__1;
 lean_object* l_PersistentHashMap_empty___at_Lean_TypeClass_synthCommand___spec__1___closed__1;
 lean_object* l_PersistentHashMap_empty___at_Lean_TypeClass_synthCommand___spec__1;
 lean_object* l_Queue_empty(lean_object*);
 lean_object* l_Lean_TypeClass_synth(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* lean_typeclass_synth_command(lean_object*, lean_object*);
 lean_object* _init_l_PersistentHashMap_empty___at_Lean_TypeClass_synthCommand___spec__1___closed__1() {
 _start:
@@ -55,7 +55,7 @@ _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 x_3 = lean_box(0);
-x_4 = l_Lean_Expr_inhabited___closed__1;
+x_4 = l_Lean_Expr_Inhabited___closed__1;
 x_5 = l_Array_empty___closed__1;
 x_6 = l_Lean_TypeClass_synthCommand___closed__1;
 x_7 = l_PersistentHashMap_empty___at_Lean_TypeClass_synthCommand___spec__1;
diff --git a/stage0/library/Init/Lean/TypeClass/Context.c b/stage0/library/Init/Lean/TypeClass/Context.c
index 5d39fe8170..5bd58d28a4 100644
--- a/stage0/library/Init/Lean/TypeClass/Context.c
+++ b/stage0/library/Init/Lean/TypeClass/Context.c
@@ -24,7 +24,6 @@ lean_object* l_Lean_TypeClass_Context_internalize___closed__4;
 uint8_t lean_name_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eMetaNormalizeCore___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uMetaIdx(lean_object*);
-lean_object* lean_expr_mk_forall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eOccursIn___boxed(lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bvarIdx_x21(lean_object*);
@@ -45,6 +44,7 @@ lean_object* lean_expr_dbg_to_string(lean_object*);
 lean_object* l_Lean_TypeClass_Context_alphaMetaPrefix___closed__1;
 lean_object* l_Lean_TypeClass_Context_slowWhnfApp(lean_object*, lean_object*, lean_object*);
 lean_object* l_RBNode_find___main___at_Lean_TypeClass_Context_uMetaNormalizeCore___main___spec__1(lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uLookupIdx(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_internalize___lambda__3(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uUnify___main___closed__4;
@@ -53,7 +53,6 @@ lean_object* l_PersistentArray_get_x21___at_Lean_TypeClass_Context_uLookupIdx___
 lean_object* l_Lean_TypeClass_Context_eAssign___closed__3;
 lean_object* lean_level_mk_mvar(lean_object*);
 lean_object* l_Lean_TypeClass_Context_eFind___main___boxed(lean_object*, lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eInferIdx(lean_object*, lean_object*);
 size_t l_USize_sub(size_t, size_t);
 lean_object* l_Lean_TypeClass_Context_eShallowInstantiate(lean_object*, lean_object*);
@@ -66,8 +65,10 @@ uint8_t l_Lean_TypeClass_Context_eOccursIn(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eAssign___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uNewMeta(lean_object*);
 lean_object* l_Lean_TypeClass_Context_uUnify___main___closed__3;
+lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l_Lean_TypeClass_Context_eAssign(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___closed__5;
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 extern lean_object* l_Lean_Options_empty;
 lean_object* l_RBNode_fold___main___at_RBMap_size___spec__1___rarg(lean_object*, lean_object*);
@@ -98,7 +99,6 @@ uint8_t l_Lean_TypeClass_Context_uFind___main(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___lambda__4(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
 uint8_t l_Lean_TypeClass_Context_eFind___main(lean_object*, lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eIsMeta___boxed(lean_object*);
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___lambda__2(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uIsMeta___boxed(lean_object*);
@@ -116,6 +116,7 @@ lean_object* l_PersistentArray_push___rarg(lean_object*, lean_object*);
 lean_object* l_PersistentArray_get_x21___at_Lean_TypeClass_Context_eInferIdx___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eOccursIn___lambda__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eHasETmpMVar___closed__1;
+extern lean_object* l_Lean_Expr_Inhabited;
 uint8_t l_RBNode_isRed___rarg(lean_object*);
 lean_object* l_Lean_TypeClass_Context_uAssign___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_TypeClass_Context_eHasTmpMVar(lean_object*);
@@ -131,6 +132,7 @@ extern lean_object* l___private_Init_Lean_MetavarContext_5__instantiateDelayedAu
 lean_object* l_PersistentArray_getAux___main___at_Lean_TypeClass_Context_eInferIdx___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_slowWhnfApp___main___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkLambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uAssign___closed__2;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uUnify(lean_object*, lean_object*, lean_object*);
@@ -140,6 +142,7 @@ lean_object* l_Lean_TypeClass_Context_alphaMetaPrefix___closed__2;
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___lambda__1(lean_object*, lean_object*);
 extern lean_object* l_unreachable_x21___rarg___closed__2;
 lean_object* l_PersistentArray_getAux___main___at_Lean_TypeClass_Context_eLookupIdx___spec__2(lean_object*, size_t, size_t);
+lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eAssignIdx(lean_object*, lean_object*, lean_object*);
 lean_object* lean_level_mk_imax(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
@@ -151,8 +154,6 @@ lean_object* l_Lean_TypeClass_Context_uOccursIn___lambda__1___boxed(lean_object*
 extern lean_object* l_Lean_Expr_updateConst_x21___closed__1;
 lean_object* l_Lean_TypeClass_Context_internalize___lambda__4(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
-lean_object* lean_expr_mk_mvar(lean_object*);
 lean_object* l_Lean_TypeClass_Context_eHasETmpMVar___boxed(lean_object*);
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 lean_object* l_Lean_TypeClass_Context_eUnify(lean_object*, lean_object*, lean_object*);
@@ -161,6 +162,7 @@ lean_object* l_Lean_TypeClass_Context_eInfer___closed__1;
 lean_object* lean_level_mk_succ(lean_object*);
 lean_object* l_panic(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eInstantiate___main(lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uAssignIdx(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_slowWhnfApp___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_RBNode_insert___at_Lean_TypeClass_Context__u03b1Norm___spec__1(lean_object*, lean_object*, lean_object*);
@@ -191,19 +193,19 @@ lean_object* l_RBNode_find___main___at_Lean_TypeClass_Context_uMetaNormalizeCore
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___closed__4;
 lean_object* l_RBNode_setBlack___rarg(lean_object*);
 lean_object* l_List_foldr___main___at_Lean_TypeClass_Context_eHasTmpMVar___spec__1___boxed(lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Lean_TypeClass_Context_eLookupIdx(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eUnify___main___closed__3;
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l_Lean_TypeClass_Context_uFind___boxed(lean_object*, lean_object*);
 lean_object* l_List_mapM___main___at_Lean_TypeClass_Context_eMetaNormalizeCore___main___spec__1(lean_object*);
 lean_object* l_Lean_TypeClass_Context_eInferIdx___boxed(lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_metaPrefix___closed__2;
 lean_object* l_Lean_TypeClass_Context_eFind___boxed(lean_object*, lean_object*);
+uint8_t l_Lean_Expr_hasMVar(lean_object*);
 uint8_t l_Lean_TypeClass_Context_eOccursIn___lambda__1(lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 uint8_t lean_level_eq(lean_object*, lean_object*);
-lean_object* lean_expr_mk_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eNewMeta(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_internalize(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eAssign___closed__2;
@@ -212,12 +214,10 @@ lean_object* l_PersistentArray_getAux___main___at_Lean_TypeClass_Context_uLookup
 lean_object* l_Lean_TypeClass_Context_eMetaNormalizeCore___main(lean_object*);
 lean_object* l_Lean_TypeClass_Context_uAssign(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isBVar(lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
 lean_object* l_RBNode_ins___main___at_Lean_TypeClass_Context__u03b1Norm___spec__2(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_getAux___main___at_Lean_TypeClass_Context_uLookupIdx___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_uUnify___main(lean_object*, lean_object*, lean_object*);
 size_t l_USize_land(size_t, size_t);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_slowWhnf___main(lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 lean_object* l_Lean_TypeClass_Context_uOccursIn___boxed(lean_object*, lean_object*);
@@ -232,7 +232,7 @@ lean_object* l_Lean_TypeClass_Context__u03b1Norm___closed__2;
 lean_object* l_Lean_TypeClass_Context_uAssign___closed__1;
 lean_object* l_Lean_TypeClass_Context_uUnify___main___closed__5;
 lean_object* l_Lean_TypeClass_Context__u03b1Norm___closed__6;
-uint8_t lean_expr_has_level_mvar(lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 lean_object* l_Lean_TypeClass_Context_uMetaNormalizeCore___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* _init_l_Lean_TypeClass_Context_Inhabited___closed__1() {
 _start:
@@ -408,7 +408,7 @@ lean_ctor_set(x_2, 2, x_9);
 lean_ctor_set(x_2, 1, x_7);
 x_10 = l_Lean_TypeClass_Context_metaPrefix;
 x_11 = lean_name_mk_numeral(x_10, x_6);
-x_12 = lean_expr_mk_mvar(x_11);
+x_12 = l_Lean_mkMVar(x_11);
 x_13 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_13, 0, x_12);
 lean_ctor_set(x_13, 1, x_2);
@@ -435,7 +435,7 @@ lean_ctor_set(x_21, 1, x_18);
 lean_ctor_set(x_21, 2, x_20);
 x_22 = l_Lean_TypeClass_Context_metaPrefix;
 x_23 = lean_name_mk_numeral(x_22, x_17);
-x_24 = lean_expr_mk_mvar(x_23);
+x_24 = l_Lean_mkMVar(x_23);
 x_25 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set(x_25, 1, x_21);
@@ -647,7 +647,7 @@ x_16 = lean_ctor_get(x_1, 0);
 lean_inc(x_16);
 lean_dec(x_1);
 x_17 = lean_usize_to_nat(x_2);
-x_18 = l_Lean_Expr_inhabited;
+x_18 = l_Lean_Expr_Inhabited;
 x_19 = lean_array_get(x_18, x_16, x_17);
 lean_dec(x_17);
 lean_dec(x_16);
@@ -682,7 +682,7 @@ lean_inc(x_9);
 lean_dec(x_1);
 x_10 = lean_nat_sub(x_2, x_3);
 lean_dec(x_3);
-x_11 = l_Lean_Expr_inhabited;
+x_11 = l_Lean_Expr_Inhabited;
 x_12 = lean_array_get(x_11, x_9, x_10);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -770,7 +770,7 @@ if (lean_obj_tag(x_3) == 0)
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 lean_dec(x_1);
-x_4 = l_Lean_Expr_inhabited;
+x_4 = l_Lean_Expr_Inhabited;
 x_5 = l_Lean_TypeClass_Context_eInfer___closed__3;
 x_6 = lean_panic_fn(x_5);
 return x_6;
@@ -2444,32 +2444,20 @@ uint8_t l_Lean_TypeClass_Context_eHasTmpMVar(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; 
-x_2 = lean_expr_has_expr_mvar(x_1);
+x_2 = l_Lean_Expr_hasMVar(x_1);
 if (x_2 == 0)
 {
 uint8_t x_3; 
-x_3 = lean_expr_has_level_mvar(x_1);
-if (x_3 == 0)
-{
-uint8_t x_4; 
 lean_dec(x_1);
-x_4 = 0;
-return x_4;
+x_3 = 0;
+return x_3;
 }
 else
 {
-lean_object* x_5; uint8_t x_6; 
-x_5 = l_Lean_TypeClass_Context_eHasTmpMVar___closed__1;
-x_6 = l_Lean_TypeClass_Context_eFind___main(x_5, x_1);
-return x_6;
-}
-}
-else
-{
-lean_object* x_7; uint8_t x_8; 
-x_7 = l_Lean_TypeClass_Context_eHasTmpMVar___closed__1;
-x_8 = l_Lean_TypeClass_Context_eFind___main(x_7, x_1);
-return x_8;
+lean_object* x_4; uint8_t x_5; 
+x_4 = l_Lean_TypeClass_Context_eHasTmpMVar___closed__1;
+x_5 = l_Lean_TypeClass_Context_eFind___main(x_4, x_1);
+return x_5;
 }
 }
 }
@@ -2560,7 +2548,7 @@ else
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 x_7 = lean_array_fget(x_1, x_3);
-x_8 = lean_expr_mk_app(x_2, x_7);
+x_8 = l_Lean_mkApp(x_2, x_7);
 x_9 = lean_unsigned_to_nat(1u);
 x_10 = lean_nat_add(x_3, x_9);
 lean_dec(x_3);
@@ -2611,14 +2599,14 @@ else
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_3 = lean_unsigned_to_nat(0u);
 x_4 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_3);
-x_5 = l_Lean_Expr_inhabited___closed__1;
+x_5 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_4);
 x_6 = lean_mk_array(x_4, x_5);
 x_7 = lean_unsigned_to_nat(1u);
 x_8 = lean_nat_sub(x_4, x_7);
 lean_dec(x_4);
 lean_inc(x_1);
-x_9 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_6, x_8);
+x_9 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_6, x_8);
 x_10 = l_Lean_Expr_getAppFn___main(x_1);
 lean_dec(x_1);
 x_11 = l_Lean_TypeClass_Context_slowWhnf___main(x_10);
@@ -2651,7 +2639,7 @@ lean_dec(x_4);
 x_10 = lean_nat_sub(x_3, x_9);
 x_11 = lean_nat_sub(x_10, x_8);
 lean_dec(x_10);
-x_12 = l_Lean_Expr_inhabited;
+x_12 = l_Lean_Expr_Inhabited;
 x_13 = lean_array_get(x_12, x_1, x_11);
 x_14 = lean_array_get(x_12, x_2, x_11);
 lean_dec(x_11);
@@ -2822,83 +2810,59 @@ lean_object* l_Lean_TypeClass_Context_eUnify___main(lean_object* x_1, lean_objec
 _start:
 {
 lean_object* x_4; uint8_t x_189; 
-x_189 = lean_expr_has_expr_mvar(x_1);
+x_189 = l_Lean_Expr_hasMVar(x_1);
 if (x_189 == 0)
 {
 uint8_t x_190; 
-x_190 = lean_expr_has_level_mvar(x_1);
+x_190 = l_Lean_Expr_hasMVar(x_2);
 if (x_190 == 0)
 {
 uint8_t x_191; 
-x_191 = lean_expr_has_expr_mvar(x_2);
+x_191 = lean_expr_eqv(x_1, x_2);
 if (x_191 == 0)
 {
-uint8_t x_192; 
-x_192 = lean_expr_has_level_mvar(x_2);
-if (x_192 == 0)
-{
-uint8_t x_193; 
-x_193 = lean_expr_eqv(x_1, x_2);
-if (x_193 == 0)
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_194 = lean_expr_dbg_to_string(x_1);
+lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
+x_192 = lean_expr_dbg_to_string(x_1);
 lean_dec(x_1);
-x_195 = l_Lean_TypeClass_Context_eUnify___main___closed__1;
-x_196 = lean_string_append(x_195, x_194);
-lean_dec(x_194);
-x_197 = l_Lean_TypeClass_Context_uUnify___main___closed__2;
-x_198 = lean_string_append(x_196, x_197);
-x_199 = lean_expr_dbg_to_string(x_2);
+x_193 = l_Lean_TypeClass_Context_eUnify___main___closed__1;
+x_194 = lean_string_append(x_193, x_192);
+lean_dec(x_192);
+x_195 = l_Lean_TypeClass_Context_uUnify___main___closed__2;
+x_196 = lean_string_append(x_194, x_195);
+x_197 = lean_expr_dbg_to_string(x_2);
 lean_dec(x_2);
-x_200 = lean_string_append(x_198, x_199);
-lean_dec(x_199);
-x_201 = lean_alloc_ctor(1, 2, 0);
+x_198 = lean_string_append(x_196, x_197);
+lean_dec(x_197);
+x_199 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_199, 0, x_198);
+lean_ctor_set(x_199, 1, x_3);
+return x_199;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_200 = lean_box(0);
+x_201 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_201, 0, x_200);
 lean_ctor_set(x_201, 1, x_3);
 return x_201;
 }
+}
 else
 {
-lean_object* x_202; lean_object* x_203; 
-lean_dec(x_2);
-lean_dec(x_1);
+lean_object* x_202; 
 x_202 = lean_box(0);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_3);
-return x_203;
-}
-}
-else
-{
-lean_object* x_204; 
-x_204 = lean_box(0);
-x_4 = x_204;
+x_4 = x_202;
 goto block_188;
 }
 }
 else
 {
-lean_object* x_205; 
-x_205 = lean_box(0);
-x_4 = x_205;
-goto block_188;
-}
-}
-else
-{
-lean_object* x_206; 
-x_206 = lean_box(0);
-x_4 = x_206;
-goto block_188;
-}
-}
-else
-{
-lean_object* x_207; 
-x_207 = lean_box(0);
-x_4 = x_207;
+lean_object* x_203; 
+x_203 = lean_box(0);
+x_4 = x_203;
 goto block_188;
 }
 block_188:
@@ -3350,20 +3314,20 @@ return x_94;
 else
 {
 lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-x_95 = l_Lean_Expr_inhabited___closed__1;
+x_95 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_77);
 x_96 = lean_mk_array(x_77, x_95);
 x_97 = lean_unsigned_to_nat(1u);
 x_98 = lean_nat_sub(x_77, x_97);
 lean_dec(x_77);
 lean_inc(x_8);
-x_99 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_8, x_96, x_98);
+x_99 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_8, x_96, x_98);
 lean_inc(x_78);
 x_100 = lean_mk_array(x_78, x_95);
 x_101 = lean_nat_sub(x_78, x_97);
 lean_dec(x_78);
 lean_inc(x_12);
-x_102 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_12, x_100, x_101);
+x_102 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_12, x_100, x_101);
 x_103 = l_Lean_Expr_getAppFn___main(x_8);
 lean_dec(x_8);
 x_104 = l_Lean_Expr_getAppFn___main(x_12);
@@ -3714,35 +3678,15 @@ return x_13;
 lean_object* l_Lean_TypeClass_Context_eInstantiate___main(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; uint8_t x_34; 
-x_34 = lean_expr_has_expr_mvar(x_2);
-if (x_34 == 0)
-{
-uint8_t x_35; 
-x_35 = lean_expr_has_level_mvar(x_2);
-if (x_35 == 0)
+uint8_t x_3; 
+x_3 = l_Lean_Expr_hasMVar(x_2);
+if (x_3 == 0)
 {
 lean_dec(x_1);
 return x_2;
 }
 else
 {
-lean_object* x_36; 
-x_36 = lean_box(0);
-x_3 = x_36;
-goto block_33;
-}
-}
-else
-{
-lean_object* x_37; 
-x_37 = lean_box(0);
-x_3 = x_37;
-goto block_33;
-}
-block_33:
-{
-lean_dec(x_3);
 switch (lean_obj_tag(x_2)) {
 case 4:
 {
@@ -3753,7 +3697,7 @@ x_5 = lean_ctor_get(x_2, 1);
 lean_inc(x_5);
 lean_dec(x_2);
 x_6 = l_List_map___main___at_Lean_TypeClass_Context_eInstantiate___main___spec__1(x_1, x_5);
-x_7 = lean_expr_mk_const(x_4, x_6);
+x_7 = l_Lean_mkConst(x_4, x_6);
 return x_7;
 }
 case 5:
@@ -3767,77 +3711,79 @@ lean_dec(x_2);
 lean_inc(x_1);
 x_10 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_8);
 x_11 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_9);
-x_12 = lean_expr_mk_app(x_10, x_11);
+x_12 = l_Lean_mkApp(x_10, x_11);
 return x_12;
 }
 case 6:
 {
-lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint64_t x_16; uint8_t x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 x_13 = lean_ctor_get(x_2, 0);
 lean_inc(x_13);
-x_14 = lean_ctor_get_uint8(x_2, sizeof(void*)*3);
-x_15 = lean_ctor_get(x_2, 1);
+x_14 = lean_ctor_get(x_2, 1);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_2, 2);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_2, 2);
-lean_inc(x_16);
+x_16 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
 lean_dec(x_2);
+x_17 = (uint8_t)((x_16 << 24) >> 61);
 lean_inc(x_1);
-x_17 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_15);
-x_18 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_16);
-x_19 = lean_expr_mk_lambda(x_13, x_14, x_17, x_18);
-return x_19;
+x_18 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_14);
+x_19 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_15);
+x_20 = l_Lean_mkLambda(x_13, x_17, x_18, x_19);
+return x_20;
 }
 case 7:
 {
-lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = lean_ctor_get(x_2, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_2, sizeof(void*)*3);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint64_t x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_21 = lean_ctor_get(x_2, 0);
+lean_inc(x_21);
 x_22 = lean_ctor_get(x_2, 1);
 lean_inc(x_22);
 x_23 = lean_ctor_get(x_2, 2);
 lean_inc(x_23);
+x_24 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
 lean_dec(x_2);
+x_25 = (uint8_t)((x_24 << 24) >> 61);
 lean_inc(x_1);
-x_24 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_22);
-x_25 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_23);
-x_26 = lean_expr_mk_forall(x_20, x_21, x_24, x_25);
-return x_26;
+x_26 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_22);
+x_27 = l_Lean_TypeClass_Context_eInstantiate___main(x_1, x_23);
+x_28 = l_Lean_mkForall(x_21, x_25, x_26, x_27);
+return x_28;
 }
 default: 
 {
-lean_object* x_27; 
-x_27 = l_Lean_TypeClass_Context_eMetaIdx(x_2);
-if (lean_obj_tag(x_27) == 0)
+lean_object* x_29; 
+x_29 = l_Lean_TypeClass_Context_eMetaIdx(x_2);
+if (lean_obj_tag(x_29) == 0)
 {
 lean_dec(x_1);
 return x_2;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-lean_dec(x_27);
-lean_inc(x_1);
-x_29 = l_Lean_TypeClass_Context_eLookupIdx(x_28, x_1);
-lean_dec(x_28);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 lean_dec(x_29);
-if (lean_obj_tag(x_30) == 0)
+lean_inc(x_1);
+x_31 = l_Lean_TypeClass_Context_eLookupIdx(x_30, x_1);
+lean_dec(x_30);
+x_32 = lean_ctor_get(x_31, 0);
+lean_inc(x_32);
+lean_dec(x_31);
+if (lean_obj_tag(x_32) == 0)
 {
 lean_dec(x_1);
 return x_2;
 }
 else
 {
-lean_object* x_31; 
+lean_object* x_33; 
 lean_dec(x_2);
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-lean_dec(x_30);
-x_2 = x_31;
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+lean_dec(x_32);
+x_2 = x_33;
 goto _start;
 }
 }
@@ -4231,21 +4177,165 @@ return x_2;
 lean_object* l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; uint8_t x_44; 
-x_44 = l_Lean_Expr_isConst(x_2);
-if (x_44 == 0)
+uint8_t x_4; 
+x_4 = l_Lean_Expr_isConst(x_2);
+if (x_4 == 0)
 {
-uint8_t x_45; 
-x_45 = l_Lean_Expr_isFVar(x_2);
-if (x_45 == 0)
+uint8_t x_5; 
+x_5 = l_Lean_Expr_isFVar(x_2);
+if (x_5 == 0)
 {
-uint8_t x_46; 
-x_46 = lean_expr_has_expr_mvar(x_2);
-if (x_46 == 0)
+uint8_t x_6; 
+x_6 = l_Lean_Expr_hasMVar(x_2);
+if (x_6 == 0)
 {
-uint8_t x_47; 
-x_47 = lean_expr_has_level_mvar(x_2);
-if (x_47 == 0)
+lean_object* x_7; 
+lean_dec(x_1);
+x_7 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_7, 0, x_2);
+lean_ctor_set(x_7, 1, x_3);
+return x_7;
+}
+else
+{
+switch (lean_obj_tag(x_2)) {
+case 5:
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_8 = lean_ctor_get(x_2, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_2, 1);
+lean_inc(x_9);
+lean_dec(x_2);
+lean_inc(x_1);
+x_10 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_8, x_3);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_9, x_12);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = l_Lean_mkApp(x_11, x_15);
+lean_ctor_set(x_13, 0, x_16);
+return x_13;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_ctor_get(x_13, 0);
+x_18 = lean_ctor_get(x_13, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_13);
+x_19 = l_Lean_mkApp(x_11, x_17);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+return x_20;
+}
+}
+case 7:
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint64_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_21 = lean_ctor_get(x_2, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_2, 1);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_2, 2);
+lean_inc(x_23);
+x_24 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
+lean_dec(x_2);
+lean_inc(x_1);
+x_25 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_22, x_3);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_23, x_27);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = (uint8_t)((x_24 << 24) >> 61);
+x_32 = l_Lean_mkForall(x_21, x_31, x_26, x_30);
+lean_ctor_set(x_28, 0, x_32);
+return x_28;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; 
+x_33 = lean_ctor_get(x_28, 0);
+x_34 = lean_ctor_get(x_28, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_28);
+x_35 = (uint8_t)((x_24 << 24) >> 61);
+x_36 = l_Lean_mkForall(x_21, x_35, x_26, x_33);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
+}
+}
+default: 
+{
+lean_object* x_38; 
+x_38 = l_Lean_TypeClass_Context_eMetaIdx(x_2);
+if (lean_obj_tag(x_38) == 0)
+{
+lean_object* x_39; 
+lean_dec(x_1);
+x_39 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_39, 0, x_2);
+lean_ctor_set(x_39, 1, x_3);
+return x_39;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+lean_dec(x_2);
+x_40 = lean_ctor_get(x_38, 0);
+lean_inc(x_40);
+lean_dec(x_38);
+x_41 = lean_ctor_get(x_3, 1);
+lean_inc(x_41);
+x_42 = l_RBNode_find___main___at_Lean_TypeClass_Context_uMetaNormalizeCore___main___spec__1(x_41, x_40);
+lean_dec(x_41);
+if (lean_obj_tag(x_42) == 0)
+{
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_1, 2);
+lean_inc(x_43);
+lean_dec(x_1);
+x_44 = lean_apply_2(x_43, x_40, x_3);
+return x_44;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_40);
+x_45 = lean_ctor_get(x_42, 0);
+lean_inc(x_45);
+lean_dec(x_42);
+x_46 = lean_ctor_get(x_1, 3);
+lean_inc(x_46);
+lean_dec(x_1);
+x_47 = lean_apply_2(x_46, x_45, x_3);
+return x_47;
+}
+}
+}
+}
+}
+}
+else
 {
 lean_object* x_48; 
 lean_dec(x_1);
@@ -4254,230 +4344,68 @@ lean_ctor_set(x_48, 0, x_2);
 lean_ctor_set(x_48, 1, x_3);
 return x_48;
 }
-else
-{
-lean_object* x_49; 
-x_49 = lean_box(0);
-x_4 = x_49;
-goto block_43;
-}
 }
 else
 {
-lean_object* x_50; 
-x_50 = lean_box(0);
-x_4 = x_50;
-goto block_43;
-}
-}
-else
-{
-lean_object* x_51; 
-lean_dec(x_1);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_2);
-lean_ctor_set(x_51, 1, x_3);
-return x_51;
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; 
-x_52 = l_Lean_Expr_constLevels_x21(x_2);
-x_53 = l_List_mapM___main___at_Lean_TypeClass_Context_eMetaNormalizeCore___main___spec__1___rarg(x_1, x_52, x_3);
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_Expr_constLevels_x21(x_2);
+x_50 = l_List_mapM___main___at_Lean_TypeClass_Context_eMetaNormalizeCore___main___spec__1___rarg(x_1, x_49, x_3);
 if (lean_obj_tag(x_2) == 4)
 {
-uint8_t x_54; 
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
+uint8_t x_51; 
+x_51 = !lean_is_exclusive(x_50);
+if (x_51 == 0)
 {
-lean_object* x_55; lean_object* x_56; 
-x_55 = lean_ctor_get(x_53, 0);
-x_56 = lean_expr_update_const(x_2, x_55);
-lean_ctor_set(x_53, 0, x_56);
-return x_53;
+lean_object* x_52; lean_object* x_53; 
+x_52 = lean_ctor_get(x_50, 0);
+x_53 = lean_expr_update_const(x_2, x_52);
+lean_ctor_set(x_50, 0, x_53);
+return x_50;
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_57 = lean_ctor_get(x_53, 0);
-x_58 = lean_ctor_get(x_53, 1);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_53);
-x_59 = lean_expr_update_const(x_2, x_57);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_58);
-return x_60;
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_54 = lean_ctor_get(x_50, 0);
+x_55 = lean_ctor_get(x_50, 1);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_50);
+x_56 = lean_expr_update_const(x_2, x_54);
+x_57 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_55);
+return x_57;
 }
 }
 else
 {
-uint8_t x_61; 
+uint8_t x_58; 
 lean_dec(x_2);
-x_61 = !lean_is_exclusive(x_53);
-if (x_61 == 0)
+x_58 = !lean_is_exclusive(x_50);
+if (x_58 == 0)
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_62 = lean_ctor_get(x_53, 0);
-lean_dec(x_62);
-x_63 = l_Lean_Expr_inhabited;
-x_64 = l_Lean_Expr_updateConst_x21___closed__1;
-x_65 = lean_panic_fn(x_64);
-lean_ctor_set(x_53, 0, x_65);
-return x_53;
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_59 = lean_ctor_get(x_50, 0);
+lean_dec(x_59);
+x_60 = l_Lean_Expr_Inhabited;
+x_61 = l_Lean_Expr_updateConst_x21___closed__1;
+x_62 = lean_panic_fn(x_61);
+lean_ctor_set(x_50, 0, x_62);
+return x_50;
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_66 = lean_ctor_get(x_53, 1);
-lean_inc(x_66);
-lean_dec(x_53);
-x_67 = l_Lean_Expr_inhabited;
-x_68 = l_Lean_Expr_updateConst_x21___closed__1;
-x_69 = lean_panic_fn(x_68);
-x_70 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_66);
-return x_70;
-}
-}
-}
-block_43:
-{
-lean_dec(x_4);
-switch (lean_obj_tag(x_2)) {
-case 5:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_ctor_get(x_2, 0);
-lean_inc(x_5);
-x_6 = lean_ctor_get(x_2, 1);
-lean_inc(x_6);
-lean_dec(x_2);
-lean_inc(x_1);
-x_7 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_5, x_3);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_7, 1);
-lean_inc(x_9);
-lean_dec(x_7);
-x_10 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_6, x_9);
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-lean_object* x_12; lean_object* x_13; 
-x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_expr_mk_app(x_8, x_12);
-lean_ctor_set(x_10, 0, x_13);
-return x_10;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_14 = lean_ctor_get(x_10, 0);
-x_15 = lean_ctor_get(x_10, 1);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_dec(x_10);
-x_16 = lean_expr_mk_app(x_8, x_14);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_15);
-return x_17;
-}
-}
-case 7:
-{
-lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
-x_18 = lean_ctor_get(x_2, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get_uint8(x_2, sizeof(void*)*3);
-x_20 = lean_ctor_get(x_2, 1);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_2, 2);
-lean_inc(x_21);
-lean_dec(x_2);
-lean_inc(x_1);
-x_22 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_20, x_3);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = l_Lean_TypeClass_Context_eMetaNormalizeCore___main___rarg(x_1, x_21, x_24);
-x_26 = !lean_is_exclusive(x_25);
-if (x_26 == 0)
-{
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_25, 0);
-x_28 = lean_expr_mk_forall(x_18, x_19, x_23, x_27);
-lean_ctor_set(x_25, 0, x_28);
-return x_25;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_29 = lean_ctor_get(x_25, 0);
-x_30 = lean_ctor_get(x_25, 1);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_25);
-x_31 = lean_expr_mk_forall(x_18, x_19, x_23, x_29);
-x_32 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_32, 1, x_30);
-return x_32;
-}
-}
-default: 
-{
-lean_object* x_33; 
-x_33 = l_Lean_TypeClass_Context_eMetaIdx(x_2);
-if (lean_obj_tag(x_33) == 0)
-{
-lean_object* x_34; 
-lean_dec(x_1);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_2);
-lean_ctor_set(x_34, 1, x_3);
-return x_34;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-lean_dec(x_2);
-x_35 = lean_ctor_get(x_33, 0);
-lean_inc(x_35);
-lean_dec(x_33);
-x_36 = lean_ctor_get(x_3, 1);
-lean_inc(x_36);
-x_37 = l_RBNode_find___main___at_Lean_TypeClass_Context_uMetaNormalizeCore___main___spec__1(x_36, x_35);
-lean_dec(x_36);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_object* x_38; lean_object* x_39; 
-x_38 = lean_ctor_get(x_1, 2);
-lean_inc(x_38);
-lean_dec(x_1);
-x_39 = lean_apply_2(x_38, x_35, x_3);
-return x_39;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-lean_dec(x_35);
-x_40 = lean_ctor_get(x_37, 0);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = lean_ctor_get(x_1, 3);
-lean_inc(x_41);
-lean_dec(x_1);
-x_42 = lean_apply_2(x_41, x_40, x_3);
-return x_42;
-}
-}
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_63 = lean_ctor_get(x_50, 1);
+lean_inc(x_63);
+lean_dec(x_50);
+x_64 = l_Lean_Expr_Inhabited;
+x_65 = l_Lean_Expr_updateConst_x21___closed__1;
+x_66 = lean_panic_fn(x_65);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_63);
+return x_67;
 }
 }
 }
@@ -6989,7 +6917,7 @@ x_6 = l_RBNode_fold___main___at_RBMap_size___spec__1___rarg(x_5, x_4);
 x_7 = l_Lean_TypeClass_Context_alphaMetaPrefix;
 lean_inc(x_6);
 x_8 = lean_name_mk_numeral(x_7, x_6);
-x_9 = lean_expr_mk_mvar(x_8);
+x_9 = l_Lean_mkMVar(x_8);
 x_10 = l_RBNode_insert___at_Lean_TypeClass_Context__u03b1Norm___spec__1(x_4, x_1, x_6);
 lean_ctor_set(x_2, 1, x_10);
 x_11 = lean_alloc_ctor(0, 2, 0);
@@ -7012,7 +6940,7 @@ x_16 = l_RBNode_fold___main___at_RBMap_size___spec__1___rarg(x_15, x_13);
 x_17 = l_Lean_TypeClass_Context_alphaMetaPrefix;
 lean_inc(x_16);
 x_18 = lean_name_mk_numeral(x_17, x_16);
-x_19 = lean_expr_mk_mvar(x_18);
+x_19 = l_Lean_mkMVar(x_18);
 x_20 = l_RBNode_insert___at_Lean_TypeClass_Context__u03b1Norm___spec__1(x_13, x_1, x_16);
 x_21 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_21, 0, x_12);
@@ -7031,7 +6959,7 @@ _start:
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_3 = l_Lean_TypeClass_Context_alphaMetaPrefix;
 x_4 = lean_name_mk_numeral(x_3, x_1);
-x_5 = lean_expr_mk_mvar(x_4);
+x_5 = l_Lean_mkMVar(x_4);
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_5);
 lean_ctor_set(x_6, 1, x_2);
@@ -7675,7 +7603,7 @@ _start:
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_3 = l_Lean_TypeClass_Context_metaPrefix;
 x_4 = lean_name_mk_numeral(x_3, x_1);
-x_5 = lean_expr_mk_mvar(x_4);
+x_5 = l_Lean_mkMVar(x_4);
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_5);
 lean_ctor_set(x_6, 1, x_2);
diff --git a/stage0/library/Init/Lean/TypeClass/Synth.c b/stage0/library/Init/Lean/TypeClass/Synth.c
index 4aa7a41fe7..83a4fab0ee 100644
--- a/stage0/library/Init/Lean/TypeClass/Synth.c
+++ b/stage0/library/Init/Lean/TypeClass/Synth.c
@@ -28,7 +28,7 @@ lean_object* l_Lean_TypeClass_synthCore___rarg(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_TypeClass_newAnswer___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_synthCore___main(lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
-size_t lean_expr_hash(lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
 lean_object* l_Array_back___at_Lean_TypeClass_consume___spec__2___boxed(lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_TypeClass_newAnswer___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_ConsumerNode_Inhabited;
@@ -37,12 +37,13 @@ lean_object* l_Lean_TypeClass_Context__u03b1Norm(lean_object*);
 lean_object* lean_expr_dbg_to_string(lean_object*);
 lean_object* l_Lean_TypeClass_collectEReplacements___main___closed__5;
 lean_object* l_Array_iterateMAux___main___at_Lean_TypeClass_consume___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Queue_enqueue___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_collectEReplacements___main___closed__3;
 lean_object* l_Lean_TypeClass_introduceLocals___main___closed__2;
+extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 lean_object* l_Lean_TypeClass_newAnswer(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_synthCore___main___closed__1;
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_wakeUp(lean_object*, lean_object*, lean_object*);
 size_t l_USize_sub(size_t, size_t);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -59,6 +60,7 @@ lean_object* l_Stack_pop___at_Lean_TypeClass_consume___spec__3(lean_object*);
 lean_object* l_Lean_TypeClass_TypedExpr_HasToString___boxed(lean_object*);
 lean_object* l_Lean_TypeClass_TypedExpr_HasToString___closed__1;
 extern lean_object* l_Lean_formatDataValue___closed__1;
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_TypedExpr_Inhabited;
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at_Lean_TypeClass_newAnswer___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -73,7 +75,6 @@ extern lean_object* l_Lean_TypeClass_Context_Inhabited___closed__1;
 lean_object* l_Lean_TypeClass_constNameToTypedExpr___closed__1;
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
 lean_object* l_Lean_TypeClass_synthCore___boxed(lean_object*, lean_object*);
-lean_object* lean_expr_mk_fvar(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_Expr_constName_x21(lean_object*);
 lean_object* l_Lean_LocalContext_mkLambda(lean_object*, lean_object*, lean_object*);
@@ -84,7 +85,6 @@ lean_object* l_PersistentHashMap_insertAux___main___at_Lean_TypeClass_newSubgoal
 lean_object* l_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Node_Inhabited___closed__1;
 extern lean_object* l_Lean_TypeClass_Context_Inhabited;
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_constNameToTypedExpr(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_TypeClass_newAnswer___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
@@ -100,12 +100,14 @@ lean_object* lean_string_append(lean_object*, lean_object*);
 extern lean_object* l_Lean_mkOptionalNode___rarg___closed__1;
 extern lean_object* l_List_reprAux___main___rarg___closed__1;
 size_t l_USize_add(size_t, size_t);
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Lean_TypeClass_introduceLocals___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_introduceLocals___main___closed__1;
 uint8_t l_Lean_TypeClass_Context_eHasTmpMVar(lean_object*);
 extern lean_object* l_Option_HasRepr___rarg___closed__3;
 uint8_t l_Lean_TypeClass_Waiter_isRoot(lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
 lean_object* l_Lean_TypeClass_collectEReplacements(lean_object*);
 lean_object* l_List_append___rarg(lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
@@ -132,7 +134,6 @@ lean_object* l___private_Init_Util_1__mkPanicMessage(lean_object*, lean_object*,
 lean_object* l_Lean_TypeClass_collectUReplacements(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Answer_HasToString___closed__1;
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_TypeClass_newSubgoal___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 uint8_t l_Array_anyRangeMAux___main___at_Lean_TypeClass_newAnswer___spec__6(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_find___at_Lean_TypeClass_newAnswer___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_newSubgoal___closed__2;
@@ -144,6 +145,7 @@ lean_object* l_panic(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_newConsumerNode(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_Context_eInstantiate___main(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_generate___closed__1;
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_introduceMVars___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_pop(lean_object*);
 lean_object* lean_instantiate_type_lparams(lean_object*, lean_object*);
@@ -166,11 +168,12 @@ lean_object* l_Lean_TypeClass_Context_eUnify___main(lean_object*, lean_object*,
 lean_object* l_Lean_TypeClass_synth(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_TypedExpr_HasToString(lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Stack_peek_x21___at_Lean_TypeClass_consume___spec__1___boxed(lean_object*);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
 lean_object* l_Stack_modify___at_Lean_TypeClass_generate___spec__4(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_introduceMVars___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_collectEReplacements___main___closed__4;
+uint8_t l_Lean_Expr_hasMVar(lean_object*);
 lean_object* l_Stack_pop___at_Lean_TypeClass_generate___spec__3(lean_object*);
 lean_object* l_Lean_TypeClass_generate___lambda__1(lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_newSubgoal___closed__1;
@@ -181,14 +184,12 @@ lean_object* l_Lean_TypeClass_resume(lean_object*);
 lean_object* l_Lean_TypeClass_collectUReplacements___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_newAnswer___closed__1;
 lean_object* l_Lean_TypeClass_Answer_HasToString___boxed(lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
 lean_object* l_List_foldl___main___at_Lean_TypeClass_constNameToTypedExpr___spec__1(lean_object*, lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_back___at_Lean_TypeClass_consume___spec__2(lean_object*);
 lean_object* l_Lean_TypeClass_quickIsClass(lean_object*, lean_object*);
 size_t l_USize_land(size_t, size_t);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_TypeClass_newAnswer___closed__2;
 lean_object* l_Lean_TypeClass_GeneratorNode_Inhabited___closed__1;
 lean_object* lean_usize_to_nat(size_t);
@@ -202,7 +203,7 @@ lean_object* l_Array_back___at_Lean_TypeClass_generate___spec__2___boxed(lean_ob
 lean_object* l_Lean_TypeClass_synth___closed__3;
 lean_object* l_Lean_TypeClass_constNameToTypedExpr___closed__2;
 lean_object* l_Array_anyRangeMAux___main___at_Lean_TypeClass_newAnswer___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t lean_expr_has_level_mvar(lean_object*);
+uint8_t l_Lean_Expr_CachedData_binderInfo(uint64_t);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 lean_object* _init_l_Lean_TypeClass_TypedExpr_HasToString___closed__1() {
 _start:
@@ -245,7 +246,7 @@ lean_object* _init_l_Lean_TypeClass_TypedExpr_Inhabited___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Expr_inhabited___closed__1;
+x_1 = l_Lean_Expr_Inhabited___closed__1;
 x_2 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_2, 0, x_1);
 lean_ctor_set(x_2, 1, x_1);
@@ -310,7 +311,7 @@ lean_object* _init_l_Lean_TypeClass_Node_Inhabited___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Expr_inhabited___closed__1;
+x_1 = l_Lean_Expr_Inhabited___closed__1;
 x_2 = l_Lean_TypeClass_Context_Inhabited___closed__1;
 x_3 = l_Lean_TypeClass_TypedExpr_Inhabited___closed__1;
 x_4 = lean_alloc_ctor(0, 3, 0);
@@ -705,7 +706,7 @@ else
 lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; size_t x_13; size_t x_14; size_t x_15; size_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 x_9 = lean_array_fget(x_4, x_5);
 x_10 = lean_array_fget(x_3, x_5);
-x_11 = lean_expr_hash(x_9);
+x_11 = l_Lean_Expr_hash(x_9);
 x_12 = 1;
 x_13 = x_1 - x_12;
 x_14 = 5;
@@ -1044,7 +1045,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = lean_expr_hash(x_2);
+x_7 = l_Lean_Expr_hash(x_2);
 x_8 = 1;
 x_9 = l_PersistentHashMap_insertAux___main___at_Lean_TypeClass_newSubgoal___spec__3(x_5, x_7, x_8, x_2, x_3);
 x_10 = lean_unsigned_to_nat(1u);
@@ -1062,7 +1063,7 @@ x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_1);
-x_14 = lean_expr_hash(x_2);
+x_14 = l_Lean_Expr_hash(x_2);
 x_15 = 1;
 x_16 = l_PersistentHashMap_insertAux___main___at_Lean_TypeClass_newSubgoal___spec__3(x_12, x_14, x_15, x_2, x_3);
 x_17 = lean_unsigned_to_nat(1u);
@@ -1338,58 +1339,59 @@ _start:
 lean_object* x_7; 
 if (lean_obj_tag(x_5) == 7)
 {
-uint8_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_12 = lean_ctor_get_uint8(x_5, sizeof(void*)*3);
-x_13 = lean_ctor_get(x_5, 1);
+lean_object* x_12; lean_object* x_13; uint64_t x_14; uint8_t x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_12 = lean_ctor_get(x_5, 1);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_5, 2);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_5, 2);
-lean_inc(x_14);
+x_14 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
 lean_dec(x_5);
+x_15 = (uint8_t)((x_14 << 24) >> 61);
 lean_inc(x_1);
-x_15 = l_Lean_LocalContext_mkForall(x_1, x_2, x_13);
-lean_dec(x_13);
-x_16 = l_Lean_TypeClass_Context_eNewMeta(x_15, x_3);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
+x_16 = l_Lean_LocalContext_mkForall(x_1, x_2, x_12);
+lean_dec(x_12);
+x_17 = l_Lean_TypeClass_Context_eNewMeta(x_16, x_3);
+x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_unsigned_to_nat(0u);
-lean_inc(x_17);
-x_20 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_2, x_2, x_19, x_17);
-lean_inc(x_20);
-x_21 = lean_expr_mk_app(x_4, x_20);
-x_22 = lean_expr_instantiate1(x_14, x_20);
-lean_dec(x_20);
-lean_dec(x_14);
-x_23 = l_Lean_BinderInfo_isInstImplicit(x_12);
-if (x_23 == 0)
-{
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
 lean_dec(x_17);
-x_3 = x_18;
-x_4 = x_21;
-x_5 = x_22;
+x_20 = lean_unsigned_to_nat(0u);
+lean_inc(x_18);
+x_21 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_2, x_2, x_20, x_18);
+lean_inc(x_21);
+x_22 = l_Lean_mkApp(x_4, x_21);
+x_23 = lean_expr_instantiate1(x_13, x_21);
+lean_dec(x_21);
+lean_dec(x_13);
+x_24 = l_Lean_BinderInfo_isInstImplicit(x_15);
+if (x_24 == 0)
+{
+lean_dec(x_18);
+x_3 = x_19;
+x_4 = x_22;
+x_5 = x_23;
 goto _start;
 }
 else
 {
-lean_object* x_25; 
-x_25 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_25, 0, x_17);
-lean_ctor_set(x_25, 1, x_6);
-x_3 = x_18;
-x_4 = x_21;
-x_5 = x_22;
-x_6 = x_25;
+lean_object* x_26; 
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_18);
+lean_ctor_set(x_26, 1, x_6);
+x_3 = x_19;
+x_4 = x_22;
+x_5 = x_23;
+x_6 = x_26;
 goto _start;
 }
 }
 else
 {
-lean_object* x_27; 
+lean_object* x_28; 
 lean_dec(x_1);
-x_27 = lean_box(0);
-x_7 = x_27;
+x_28 = lean_box(0);
+x_7 = x_28;
 goto block_11;
 }
 block_11:
@@ -1458,46 +1460,47 @@ _start:
 {
 if (lean_obj_tag(x_4) == 7)
 {
-lean_object* x_5; uint8_t x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_object* x_5; lean_object* x_6; lean_object* x_7; uint64_t x_8; uint8_t x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
 x_5 = lean_ctor_get(x_4, 0);
 lean_inc(x_5);
-x_6 = lean_ctor_get_uint8(x_4, sizeof(void*)*3);
-x_7 = lean_ctor_get(x_4, 1);
+x_6 = lean_ctor_get(x_4, 1);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_4, 2);
 lean_inc(x_7);
-x_8 = lean_ctor_get(x_4, 2);
-lean_inc(x_8);
+x_8 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
 lean_dec(x_4);
-x_9 = l_Lean_TypeClass_introduceLocals___main___closed__2;
+x_9 = (uint8_t)((x_8 << 24) >> 61);
+x_10 = l_Lean_TypeClass_introduceLocals___main___closed__2;
 lean_inc(x_1);
-x_10 = lean_name_mk_numeral(x_9, x_1);
-lean_inc(x_10);
-x_11 = lean_local_ctx_mk_local_decl(x_2, x_10, x_5, x_7, x_6);
-x_12 = lean_expr_mk_fvar(x_10);
-x_13 = lean_unsigned_to_nat(1u);
-x_14 = lean_nat_add(x_1, x_13);
+x_11 = lean_name_mk_numeral(x_10, x_1);
+lean_inc(x_11);
+x_12 = lean_local_ctx_mk_local_decl(x_2, x_11, x_5, x_6, x_9);
+x_13 = l_Lean_mkFVar(x_11);
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_add(x_1, x_14);
 lean_dec(x_1);
-lean_inc(x_12);
-x_15 = lean_array_push(x_3, x_12);
-x_16 = lean_expr_instantiate1(x_8, x_12);
-lean_dec(x_12);
-lean_dec(x_8);
-x_1 = x_14;
-x_2 = x_11;
-x_3 = x_15;
-x_4 = x_16;
+lean_inc(x_13);
+x_16 = lean_array_push(x_3, x_13);
+x_17 = lean_expr_instantiate1(x_7, x_13);
+lean_dec(x_13);
+lean_dec(x_7);
+x_1 = x_15;
+x_2 = x_12;
+x_3 = x_16;
+x_4 = x_17;
 goto _start;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; 
+lean_object* x_19; lean_object* x_20; 
 lean_dec(x_1);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_4);
-lean_ctor_set(x_18, 1, x_3);
 x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_2);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
+lean_ctor_set(x_19, 0, x_4);
+lean_ctor_set(x_19, 1, x_3);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_2);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
 }
 }
 }
@@ -2406,7 +2409,7 @@ _start:
 {
 lean_object* x_3; size_t x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_1, 0);
-x_4 = lean_expr_hash(x_2);
+x_4 = l_Lean_Expr_hash(x_2);
 x_5 = l_PersistentHashMap_findAux___main___at_Lean_TypeClass_newAnswer___spec__2(x_3, x_4, x_2);
 return x_5;
 }
@@ -3367,7 +3370,7 @@ if (x_18 == 0)
 lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
 x_19 = lean_ctor_get(x_17, 0);
 lean_inc(x_19);
-x_20 = lean_expr_mk_const(x_2, x_19);
+x_20 = l_Lean_mkConst(x_2, x_19);
 x_21 = lean_instantiate_type_lparams(x_13, x_19);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
@@ -3387,7 +3390,7 @@ lean_inc(x_25);
 lean_inc(x_24);
 lean_dec(x_17);
 lean_inc(x_24);
-x_26 = lean_expr_mk_const(x_2, x_24);
+x_26 = l_Lean_mkConst(x_2, x_24);
 x_27 = lean_instantiate_type_lparams(x_13, x_24);
 x_28 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
@@ -4168,7 +4171,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l_Lean_TypeClass_collectEReplacements___main___closed__3;
-x_2 = lean_unsigned_to_nat(287u);
+x_2 = lean_unsigned_to_nat(289u);
 x_3 = lean_unsigned_to_nat(27u);
 x_4 = l_Lean_TypeClass_collectEReplacements___main___closed__4;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -4362,7 +4365,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l_Lean_TypeClass_collectEReplacements___main___closed__3;
-x_2 = lean_unsigned_to_nat(303u);
+x_2 = lean_unsigned_to_nat(305u);
 x_3 = lean_unsigned_to_nat(16u);
 x_4 = l_Lean_TypeClass_preprocessForOutParams___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -4373,44 +4376,49 @@ lean_object* l_Lean_TypeClass_preprocessForOutParams(lean_object* x_1, lean_obje
 _start:
 {
 lean_object* x_3; uint8_t x_267; 
-x_267 = lean_expr_has_expr_mvar(x_2);
+x_267 = l_Lean_Expr_hasMVar(x_2);
 if (x_267 == 0)
 {
-uint8_t x_268; 
-x_268 = lean_expr_has_level_mvar(x_2);
-if (x_268 == 0)
+lean_object* x_268; uint8_t x_269; 
+x_268 = l_Lean_Expr_getAppFn___main(x_2);
+x_269 = l_Lean_Expr_isConst(x_268);
+if (x_269 == 0)
 {
-lean_object* x_269; uint8_t x_270; 
-x_269 = l_Lean_Expr_getAppFn___main(x_2);
-x_270 = l_Lean_Expr_isConst(x_269);
-if (x_270 == 0)
-{
-lean_object* x_271; 
-lean_dec(x_269);
-x_271 = lean_box(0);
-x_3 = x_271;
+lean_object* x_270; 
+lean_dec(x_268);
+x_270 = lean_box(0);
+x_3 = x_270;
 goto block_266;
 }
 else
 {
-lean_object* x_272; uint8_t x_273; 
-x_272 = l_Lean_Expr_constName_x21(x_269);
-lean_dec(x_269);
+lean_object* x_271; uint8_t x_272; 
+x_271 = l_Lean_Expr_constName_x21(x_268);
+lean_dec(x_268);
 lean_inc(x_1);
-x_273 = lean_has_out_params(x_1, x_272);
-if (x_273 == 0)
+x_272 = lean_has_out_params(x_1, x_271);
+if (x_272 == 0)
 {
-lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; 
+lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
 lean_dec(x_1);
-x_274 = l_Lean_TypeClass_collectEReplacements___main___closed__1;
-x_275 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_275, 0, x_2);
-lean_ctor_set(x_275, 1, x_274);
-x_276 = l_Lean_TypeClass_Context_Inhabited___closed__1;
-x_277 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_277, 0, x_276);
-lean_ctor_set(x_277, 1, x_275);
-return x_277;
+x_273 = l_Lean_TypeClass_collectEReplacements___main___closed__1;
+x_274 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_274, 0, x_2);
+lean_ctor_set(x_274, 1, x_273);
+x_275 = l_Lean_TypeClass_Context_Inhabited___closed__1;
+x_276 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_276, 0, x_275);
+lean_ctor_set(x_276, 1, x_274);
+return x_276;
+}
+else
+{
+lean_object* x_277; 
+x_277 = lean_box(0);
+x_3 = x_277;
+goto block_266;
+}
+}
 }
 else
 {
@@ -4419,23 +4427,6 @@ x_278 = lean_box(0);
 x_3 = x_278;
 goto block_266;
 }
-}
-}
-else
-{
-lean_object* x_279; 
-x_279 = lean_box(0);
-x_3 = x_279;
-goto block_266;
-}
-}
-else
-{
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_3 = x_280;
-goto block_266;
-}
 block_266:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
@@ -4460,14 +4451,14 @@ x_13 = lean_ctor_get(x_9, 0);
 lean_dec(x_13);
 x_14 = l_Lean_Expr_getAppFn___main(x_2);
 x_15 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_4);
-x_16 = l_Lean_Expr_inhabited___closed__1;
+x_16 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_15);
 x_17 = lean_mk_array(x_15, x_16);
 x_18 = lean_unsigned_to_nat(1u);
 x_19 = lean_nat_sub(x_15, x_18);
 lean_dec(x_15);
 lean_inc(x_2);
-x_20 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_17, x_19);
+x_20 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_17, x_19);
 x_21 = l_Lean_Expr_isConst(x_14);
 if (x_21 == 0)
 {
@@ -4543,14 +4534,14 @@ lean_dec(x_14);
 x_38 = l_Array_toList___rarg(x_34);
 lean_dec(x_34);
 lean_inc(x_38);
-x_39 = lean_expr_mk_const(x_24, x_38);
+x_39 = l_Lean_mkConst(x_24, x_38);
 x_40 = l_Lean_Expr_constName_x21(x_39);
 x_41 = lean_environment_find(x_1, x_40);
 if (lean_obj_tag(x_41) == 0)
 {
 lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
 lean_dec(x_38);
-x_70 = l_Lean_Expr_inhabited;
+x_70 = l_Lean_Expr_Inhabited;
 x_71 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_72 = lean_panic_fn(x_71);
 lean_inc(x_11);
@@ -4685,7 +4676,7 @@ if (lean_obj_tag(x_77) == 0)
 {
 lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
 lean_dec(x_34);
-x_106 = l_Lean_Expr_inhabited;
+x_106 = l_Lean_Expr_Inhabited;
 x_107 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_108 = lean_panic_fn(x_107);
 lean_inc(x_11);
@@ -4826,14 +4817,14 @@ lean_inc(x_115);
 lean_dec(x_9);
 x_116 = l_Lean_Expr_getAppFn___main(x_2);
 x_117 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_4);
-x_118 = l_Lean_Expr_inhabited___closed__1;
+x_118 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_117);
 x_119 = lean_mk_array(x_117, x_118);
 x_120 = lean_unsigned_to_nat(1u);
 x_121 = lean_nat_sub(x_117, x_120);
 lean_dec(x_117);
 lean_inc(x_2);
-x_122 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_119, x_121);
+x_122 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_119, x_121);
 x_123 = l_Lean_Expr_isConst(x_116);
 if (x_123 == 0)
 {
@@ -4912,14 +4903,14 @@ lean_dec(x_116);
 x_142 = l_Array_toList___rarg(x_138);
 lean_dec(x_138);
 lean_inc(x_142);
-x_143 = lean_expr_mk_const(x_127, x_142);
+x_143 = l_Lean_mkConst(x_127, x_142);
 x_144 = l_Lean_Expr_constName_x21(x_143);
 x_145 = lean_environment_find(x_1, x_144);
 if (lean_obj_tag(x_145) == 0)
 {
 lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
 lean_dec(x_142);
-x_159 = l_Lean_Expr_inhabited;
+x_159 = l_Lean_Expr_Inhabited;
 x_160 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_161 = lean_panic_fn(x_160);
 lean_inc(x_114);
@@ -5003,7 +4994,7 @@ if (lean_obj_tag(x_166) == 0)
 {
 lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
 lean_dec(x_138);
-x_180 = l_Lean_Expr_inhabited;
+x_180 = l_Lean_Expr_Inhabited;
 x_181 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_182 = lean_panic_fn(x_181);
 lean_inc(x_114);
@@ -5105,14 +5096,14 @@ if (lean_is_exclusive(x_188)) {
 }
 x_192 = l_Lean_Expr_getAppFn___main(x_2);
 x_193 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_4);
-x_194 = l_Lean_Expr_inhabited___closed__1;
+x_194 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_193);
 x_195 = lean_mk_array(x_193, x_194);
 x_196 = lean_unsigned_to_nat(1u);
 x_197 = lean_nat_sub(x_193, x_196);
 lean_dec(x_193);
 lean_inc(x_2);
-x_198 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_2, x_195, x_197);
+x_198 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_2, x_195, x_197);
 x_199 = l_Lean_Expr_isConst(x_192);
 if (x_199 == 0)
 {
@@ -5201,14 +5192,14 @@ lean_dec(x_192);
 x_220 = l_Array_toList___rarg(x_216);
 lean_dec(x_216);
 lean_inc(x_220);
-x_221 = lean_expr_mk_const(x_204, x_220);
+x_221 = l_Lean_mkConst(x_204, x_220);
 x_222 = l_Lean_Expr_constName_x21(x_221);
 x_223 = lean_environment_find(x_1, x_222);
 if (lean_obj_tag(x_223) == 0)
 {
 lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; 
 lean_dec(x_220);
-x_237 = l_Lean_Expr_inhabited;
+x_237 = l_Lean_Expr_Inhabited;
 x_238 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_239 = lean_panic_fn(x_238);
 lean_inc(x_189);
@@ -5292,7 +5283,7 @@ if (lean_obj_tag(x_244) == 0)
 {
 lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; 
 lean_dec(x_216);
-x_258 = l_Lean_Expr_inhabited;
+x_258 = l_Lean_Expr_Inhabited;
 x_259 = l_Lean_TypeClass_preprocessForOutParams___closed__2;
 x_260 = lean_panic_fn(x_259);
 lean_inc(x_189);
diff --git a/stage0/library/Init/Lean/WHNF.c b/stage0/library/Init/Lean/WHNF.c
index eff435a0e4..8ed4da5d84 100644
--- a/stage0/library/Init/Lean/WHNF.c
+++ b/stage0/library/Init/Lean/WHNF.c
@@ -42,17 +42,18 @@ lean_object* l_List_lengthAux___main___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_matchConstAux___boxed(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_10__whnfCoreUnstuck___main___boxed(lean_object*);
 lean_object* l_Lean_smartUnfoldingSuffix;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_1__getFirstCtor(lean_object*);
 lean_object* l_Lean_getStuckMVar___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_10__whnfCoreUnstuck(lean_object*);
 lean_object* l_Lean_whnfEasyCases___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_5__toCtorWhenK___boxed(lean_object*);
 lean_object* l_Lean_Expr_hasExprMVar___boxed(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_2__mkNullaryCtor___boxed(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_5__toCtorWhenK___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore(lean_object*);
+lean_object* l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Lean_unfoldDefinitionAux___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn___main(lean_object*);
@@ -67,6 +68,7 @@ lean_object* l_Lean_unfoldDefinitionAux(lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Init_Lean_WHNF_6__isIdRhsApp(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_4__getRecRuleFor(lean_object*, lean_object*);
+lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* l_Lean_whnfEasyCases___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_10__whnfCoreUnstuck___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
@@ -86,16 +88,15 @@ lean_object* l_Lean_unfoldDefinitionAux___rarg(lean_object*, lean_object*, lean_
 lean_object* l_Lean_whnfCore___boxed(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__1;
 lean_object* l_Lean_mkSmartUnfoldingNameFor(lean_object*);
-lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l_Lean_reduceQuotRec___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_ConstantInfo_hasValue(lean_object*);
 lean_object* l_Lean_reduceRec___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_6__isIdRhsApp___closed__2;
+extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Lean_reduceQuotRec___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfEasyCases___main(lean_object*);
-lean_object* l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(lean_object*, lean_object*);
 lean_object* l_finally___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__3;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
@@ -129,7 +130,6 @@ lean_object* l_Lean_getStuckMVar___rarg(lean_object*, lean_object*, lean_object*
 lean_object* l_Lean_RecursorVal_getMajorIdx(lean_object*);
 lean_object* l_Lean_reduceQuotRec___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_4__getRecRuleFor___lambda__1___boxed(lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_inhabited;
 lean_object* l_Lean_isRecStuck___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getStuckMVar___main___boxed(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__2;
@@ -145,6 +145,7 @@ lean_object* l_Array_shrink___main___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_whnfMain(lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfEasyCases___boxed(lean_object*);
+lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkNatLit(lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_value_x3f(lean_object*);
@@ -159,11 +160,11 @@ uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArgD___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_isRecStuck___boxed(lean_object*);
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l_Lean_whnfCore___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
-extern lean_object* l_Lean_Expr_inhabited___closed__1;
+lean_object* l___private_Init_Lean_Expr_2__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_5__toCtorWhenK___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_3__mkAppRangeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_6__isIdRhsApp___boxed(lean_object*);
 lean_object* l_List_find___main___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_reduceRec___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -171,7 +172,7 @@ lean_object* l_Lean_whnfEasyCases___main___rarg___lambda__2(lean_object*, lean_o
 lean_object* l_Lean_Expr_updateFn___main(lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfCore___main___boxed(lean_object*);
-uint8_t lean_expr_has_expr_mvar(lean_object*);
+uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_1__getFirstCtor___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_smartUnfoldingSuffix___closed__1;
 lean_object* l___private_Init_Lean_WHNF_5__toCtorWhenK___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -181,7 +182,6 @@ lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_getStuckMVar___boxed(lean_object*);
 lean_object* l___private_Init_Lean_WHNF_10__whnfCoreUnstuck___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Expr_4__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_WHNF_1__getFirstCtor___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_whnfMain___main___boxed(lean_object*);
 lean_object* l_Lean_whnfEasyCases___main___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -495,16 +495,16 @@ lean_dec(x_2);
 x_14 = lean_ctor_get(x_13, 1);
 lean_inc(x_14);
 lean_dec(x_13);
-x_15 = lean_expr_mk_const(x_12, x_3);
+x_15 = l_Lean_mkConst(x_12, x_3);
 x_16 = lean_unsigned_to_nat(0u);
 x_17 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_16);
-x_18 = l_Lean_Expr_inhabited___closed__1;
+x_18 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_17);
 x_19 = lean_mk_array(x_17, x_18);
 x_20 = lean_unsigned_to_nat(1u);
 x_21 = lean_nat_sub(x_17, x_20);
 lean_dec(x_17);
-x_22 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_4, x_19, x_21);
+x_22 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_4, x_19, x_21);
 x_23 = l_Array_shrink___main___rarg(x_22, x_5);
 x_24 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_23, x_23, x_16, x_15);
 lean_dec(x_23);
@@ -524,16 +524,16 @@ lean_dec(x_2);
 x_28 = lean_ctor_get(x_27, 1);
 lean_inc(x_28);
 lean_dec(x_27);
-x_29 = lean_expr_mk_const(x_26, x_3);
+x_29 = l_Lean_mkConst(x_26, x_3);
 x_30 = lean_unsigned_to_nat(0u);
 x_31 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_30);
-x_32 = l_Lean_Expr_inhabited___closed__1;
+x_32 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_31);
 x_33 = lean_mk_array(x_31, x_32);
 x_34 = lean_unsigned_to_nat(1u);
 x_35 = lean_nat_sub(x_31, x_34);
 lean_dec(x_31);
-x_36 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_4, x_33, x_35);
+x_36 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_4, x_33, x_35);
 x_37 = l_Array_shrink___main___rarg(x_36, x_5);
 x_38 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_37, x_37, x_30, x_29);
 lean_dec(x_37);
@@ -650,7 +650,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__2;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -678,7 +678,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__5;
-x_3 = lean_expr_mk_const(x_2, x_1);
+x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
@@ -702,7 +702,7 @@ x_6 = lean_unsigned_to_nat(1u);
 x_7 = lean_nat_sub(x_3, x_6);
 x_8 = l_Lean_mkNatLit(x_7);
 x_9 = l___private_Init_Lean_WHNF_3__toCtorIfLit___closed__3;
-x_10 = lean_expr_mk_app(x_9, x_8);
+x_10 = l_Lean_mkApp(x_9, x_8);
 return x_10;
 }
 else
@@ -915,7 +915,7 @@ return x_14;
 else
 {
 uint8_t x_15; 
-x_15 = lean_expr_has_expr_mvar(x_7);
+x_15 = l_Lean_Expr_hasExprMVar(x_7);
 if (x_15 == 0)
 {
 lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
@@ -940,14 +940,14 @@ else
 lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
 x_20 = lean_unsigned_to_nat(0u);
 x_21 = l_Lean_Expr_getAppNumArgsAux___main(x_7, x_20);
-x_22 = l_Lean_Expr_inhabited___closed__1;
+x_22 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_21);
 x_23 = lean_mk_array(x_21, x_22);
 x_24 = lean_unsigned_to_nat(1u);
 x_25 = lean_nat_sub(x_21, x_24);
 lean_dec(x_21);
 lean_inc(x_7);
-x_26 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_7, x_23, x_25);
+x_26 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_7, x_23, x_25);
 x_27 = lean_ctor_get(x_1, 2);
 lean_inc(x_27);
 lean_dec(x_1);
@@ -1088,13 +1088,13 @@ lean_inc(x_13);
 lean_dec(x_10);
 x_14 = lean_unsigned_to_nat(0u);
 x_15 = l_Lean_Expr_getAppNumArgsAux___main(x_9, x_14);
-x_16 = l_Lean_Expr_inhabited___closed__1;
+x_16 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_15);
 x_17 = lean_mk_array(x_15, x_16);
 x_18 = lean_unsigned_to_nat(1u);
 x_19 = lean_nat_sub(x_15, x_18);
 lean_dec(x_15);
-x_20 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_9, x_17, x_19);
+x_20 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_9, x_17, x_19);
 x_21 = l_List_lengthAux___main___rarg(x_3, x_14);
 x_22 = lean_ctor_get(x_1, 0);
 lean_inc(x_22);
@@ -1138,7 +1138,7 @@ lean_dec(x_1);
 x_34 = lean_nat_add(x_32, x_33);
 lean_dec(x_33);
 lean_dec(x_32);
-x_35 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_34, x_4, x_14, x_29);
+x_35 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_34, x_4, x_14, x_29);
 lean_dec(x_34);
 x_36 = lean_array_get_size(x_20);
 x_37 = lean_ctor_get(x_13, 1);
@@ -1146,11 +1146,11 @@ lean_inc(x_37);
 lean_dec(x_13);
 x_38 = lean_nat_sub(x_36, x_37);
 lean_dec(x_37);
-x_39 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_36, x_20, x_38, x_35);
+x_39 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_36, x_20, x_38, x_35);
 lean_dec(x_20);
 lean_dec(x_36);
 x_40 = lean_nat_add(x_5, x_18);
-x_41 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_6, x_4, x_40, x_39);
+x_41 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_6, x_4, x_40, x_39);
 x_42 = lean_apply_1(x_7, x_41);
 return x_42;
 }
@@ -1432,12 +1432,12 @@ if (lean_obj_tag(x_14) == 1)
 {
 lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
 lean_dec(x_1);
-x_15 = l_Lean_Expr_inhabited;
+x_15 = l_Lean_Expr_Inhabited;
 x_16 = lean_array_get(x_15, x_2, x_3);
-x_17 = lean_expr_mk_app(x_16, x_4);
+x_17 = l_Lean_mkApp(x_16, x_4);
 x_18 = lean_unsigned_to_nat(1u);
 x_19 = lean_nat_add(x_5, x_18);
-x_20 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_6, x_2, x_19, x_17);
+x_20 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_6, x_2, x_19, x_17);
 x_21 = lean_apply_1(x_7, x_20);
 return x_21;
 }
@@ -1830,13 +1830,13 @@ lean_closure_set(x_17, 1, x_3);
 lean_closure_set(x_17, 2, x_4);
 x_18 = lean_unsigned_to_nat(0u);
 x_19 = l_Lean_Expr_getAppNumArgsAux___main(x_5, x_18);
-x_20 = l_Lean_Expr_inhabited___closed__1;
+x_20 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_19);
 x_21 = lean_mk_array(x_19, x_20);
 x_22 = lean_unsigned_to_nat(1u);
 x_23 = lean_nat_sub(x_19, x_22);
 lean_dec(x_19);
-x_24 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_5, x_21, x_23);
+x_24 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_5, x_21, x_23);
 x_25 = l_Lean_isQuotRecStuck___rarg(x_2, x_4, x_17, x_16, x_6, x_24);
 lean_dec(x_24);
 return x_25;
@@ -1853,13 +1853,13 @@ lean_closure_set(x_27, 1, x_3);
 lean_closure_set(x_27, 2, x_4);
 x_28 = lean_unsigned_to_nat(0u);
 x_29 = l_Lean_Expr_getAppNumArgsAux___main(x_5, x_28);
-x_30 = l_Lean_Expr_inhabited___closed__1;
+x_30 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_29);
 x_31 = lean_mk_array(x_29, x_30);
 x_32 = lean_unsigned_to_nat(1u);
 x_33 = lean_nat_sub(x_29, x_32);
 lean_dec(x_29);
-x_34 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_5, x_31, x_33);
+x_34 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_5, x_31, x_33);
 x_35 = l_Lean_isRecStuck___rarg(x_2, x_4, x_27, x_26, x_6, x_34);
 lean_dec(x_34);
 return x_35;
@@ -2154,7 +2154,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_11 = l_Lean_Expr_inhabited;
+x_11 = l_Lean_Expr_Inhabited;
 x_12 = l_monadInhabited___rarg(x_1, x_11);
 x_13 = l_unreachable_x21___rarg(x_12);
 return x_13;
@@ -2244,14 +2244,26 @@ lean_dec(x_1);
 x_29 = lean_apply_1(x_5, x_4);
 return x_29;
 }
+case 12:
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_30 = l_Lean_Expr_Inhabited;
+x_31 = l_monadInhabited___rarg(x_1, x_30);
+x_32 = l_unreachable_x21___rarg(x_31);
+return x_32;
+}
 default: 
 {
-lean_object* x_30; 
+lean_object* x_33; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
-x_30 = lean_box(0);
-x_6 = x_30;
+x_33 = lean_box(0);
+x_6 = x_33;
 goto block_10;
 }
 }
@@ -2382,14 +2394,14 @@ else
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
 x_3 = lean_unsigned_to_nat(0u);
 x_4 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_3);
-x_5 = l_Lean_Expr_inhabited___closed__1;
+x_5 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_4);
 x_6 = lean_mk_array(x_4, x_5);
 x_7 = lean_unsigned_to_nat(1u);
 x_8 = lean_nat_sub(x_4, x_7);
 lean_dec(x_4);
 lean_inc(x_1);
-x_9 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_1, x_6, x_8);
+x_9 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_1, x_6, x_8);
 x_10 = lean_array_get_size(x_9);
 x_11 = lean_unsigned_to_nat(2u);
 x_12 = lean_nat_dec_lt(x_10, x_11);
@@ -2397,9 +2409,9 @@ if (x_12 == 0)
 {
 lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 lean_dec(x_1);
-x_13 = l_Lean_Expr_inhabited;
+x_13 = l_Lean_Expr_Inhabited;
 x_14 = lean_array_get(x_13, x_9, x_7);
-x_15 = l___private_Init_Lean_Expr_3__mkAppRangeAux___main(x_10, x_9, x_11, x_14);
+x_15 = l___private_Init_Lean_Expr_2__mkAppRangeAux___main(x_10, x_9, x_11, x_14);
 lean_dec(x_9);
 lean_dec(x_10);
 return x_15;
@@ -2580,7 +2592,7 @@ x_24 = lean_unsigned_to_nat(0u);
 x_25 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_24);
 x_26 = lean_mk_empty_array_with_capacity(x_25);
 lean_dec(x_25);
-x_27 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_4, x_26);
+x_27 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_4, x_26);
 x_28 = lean_alloc_closure((void*)(l_Lean_whnfCore___main___rarg), 9, 8);
 lean_closure_set(x_28, 0, x_3);
 lean_closure_set(x_28, 1, x_5);
@@ -2679,13 +2691,13 @@ lean_inc(x_32);
 lean_dec(x_27);
 x_33 = lean_unsigned_to_nat(0u);
 x_34 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_33);
-x_35 = l_Lean_Expr_inhabited___closed__1;
+x_35 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_34);
 x_36 = lean_mk_array(x_34, x_35);
 x_37 = lean_unsigned_to_nat(1u);
 x_38 = lean_nat_sub(x_34, x_37);
 lean_dec(x_34);
-x_39 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_4, x_36, x_38);
+x_39 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_4, x_36, x_38);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_3);
@@ -2714,13 +2726,13 @@ lean_inc(x_42);
 lean_dec(x_27);
 x_43 = lean_unsigned_to_nat(0u);
 x_44 = l_Lean_Expr_getAppNumArgsAux___main(x_4, x_43);
-x_45 = l_Lean_Expr_inhabited___closed__1;
+x_45 = l_Lean_Expr_getAppArgs___closed__1;
 lean_inc(x_44);
 x_46 = lean_mk_array(x_44, x_45);
 x_47 = lean_unsigned_to_nat(1u);
 x_48 = lean_nat_sub(x_44, x_47);
 lean_dec(x_44);
-x_49 = l___private_Init_Lean_Expr_4__getAppArgsAux___main(x_4, x_46, x_48);
+x_49 = l___private_Init_Lean_Expr_3__getAppArgsAux___main(x_4, x_46, x_48);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
@@ -2884,7 +2896,7 @@ x_31 = lean_unsigned_to_nat(0u);
 x_32 = l_Lean_Expr_getAppNumArgsAux___main(x_3, x_31);
 x_33 = lean_mk_empty_array_with_capacity(x_32);
 lean_dec(x_32);
-x_34 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_3, x_33);
+x_34 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_3, x_33);
 x_35 = l_Lean_Expr_betaRev(x_1, x_34);
 lean_dec(x_1);
 x_36 = l_Lean_whnfCore___main___rarg(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_35);
@@ -3131,7 +3143,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_29 = l_Lean_Expr_inhabited;
+x_29 = l_Lean_Expr_Inhabited;
 x_30 = l_monadInhabited___rarg(x_1, x_29);
 x_31 = l_unreachable_x21___rarg(x_30);
 return x_31;
@@ -3543,7 +3555,7 @@ x_20 = lean_unsigned_to_nat(0u);
 x_21 = l_Lean_Expr_getAppNumArgsAux___main(x_3, x_20);
 x_22 = lean_mk_empty_array_with_capacity(x_21);
 lean_dec(x_21);
-x_23 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_3, x_22);
+x_23 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_3, x_22);
 x_24 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___rarg(x_1, x_4, x_23, x_2, x_5);
 return x_24;
 }
@@ -3562,7 +3574,7 @@ x_26 = lean_unsigned_to_nat(0u);
 x_27 = l_Lean_Expr_getAppNumArgsAux___main(x_3, x_26);
 x_28 = lean_mk_empty_array_with_capacity(x_27);
 lean_dec(x_27);
-x_29 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_3, x_28);
+x_29 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_3, x_28);
 lean_inc(x_2);
 x_30 = lean_alloc_closure((void*)(l_Lean_unfoldDefinitionAux___rarg___lambda__3), 13, 12);
 lean_closure_set(x_30, 0, x_6);
@@ -3613,7 +3625,7 @@ x_35 = lean_unsigned_to_nat(0u);
 x_36 = l_Lean_Expr_getAppNumArgsAux___main(x_3, x_35);
 x_37 = lean_mk_empty_array_with_capacity(x_36);
 lean_dec(x_36);
-x_38 = l___private_Init_Lean_Expr_5__getAppRevArgsAux___main(x_3, x_37);
+x_38 = l___private_Init_Lean_Expr_4__getAppRevArgsAux___main(x_3, x_37);
 x_39 = l___private_Init_Lean_WHNF_9__deltaBetaDefinition___rarg(x_1, x_4, x_38, x_2, x_5);
 return x_39;
 }
diff --git a/stage0/src/kernel/expr.cpp b/stage0/src/kernel/expr.cpp
index 4ca366cbfb..ebef612228 100644
--- a/stage0/src/kernel/expr.cpp
+++ b/stage0/src/kernel/expr.cpp
@@ -21,10 +21,6 @@ Author: Leonardo de Moura
 #include "kernel/abstract.h"
 #include "kernel/instantiate.h"
 
-#ifndef LEAN_INITIAL_EXPR_CACHE_CAPACITY
-#define LEAN_INITIAL_EXPR_CACHE_CAPACITY 1024*16
-#endif
-
 namespace lean {
 /* Expression literal values */
 literal::literal(char const * v):
@@ -61,156 +57,6 @@ bool operator<(literal const & a, literal const & b) {
     lean_unreachable();
 }
 
-static inline unsigned literal_hash(b_obj_arg l) {
-    switch (literal::kind(l)) {
-    case literal_kind::Nat:    return nat::hash(cnstr_get(l, 0));
-    case literal_kind::String: return hash_str(string_size(cnstr_get(l, 0)) - 1, string_cstr(cnstr_get(l, 0)), 17);
-    }
-    lean_unreachable();
-}
-
-static unsigned levels_hash(object * ls) {
-    unsigned r = 23;
-    while (!is_scalar(ls)) {
-        r = hash(level::hash(cnstr_get(ls, 0)), r);
-        ls = cnstr_get(ls, 1);
-    }
-    return r;
-}
-
-// =======================================
-// Safe arithmetic
-
-static unsigned safe_inc(unsigned w) {
-    if (w < std::numeric_limits<unsigned>::max())
-        return w+1;
-    else
-        return w;
-}
-
-static unsigned safe_dec(unsigned k) {
-    return k == 0 ? 0 : k - 1;
-}
-
-
-// =======================================
-// Scalar data offset calculation and setters/getters
-
-inline constexpr unsigned num_obj_fields(expr_kind k) {
-    return
-        k == expr_kind::App     ?  2 :
-        k == expr_kind::Const   ?  2 :
-        k == expr_kind::FVar    ?  1 : // TODO(Leo): it should be 1 after we remove support for legacy code
-        k == expr_kind::Lambda  ?  3 :
-        k == expr_kind::Pi      ?  3 :
-        k == expr_kind::BVar    ?  1 :
-        k == expr_kind::Let     ?  4 :
-        k == expr_kind::MVar    ?  1 :
-        k == expr_kind::Sort    ?  1 :
-        k == expr_kind::Lit     ?  1 :
-        k == expr_kind::MData   ?  2 :
-        k == expr_kind::Proj    ?  3 :
-        k == expr_kind::Local   ?  3 : // TODO(Leo): delete we remove support for legacy code
-        /* k == expr_kind::Quote */ 1;
-}
-
-/* Expression scalar data offset. */
-inline constexpr unsigned scalar_offset(expr_kind k) { return num_obj_fields(k) * sizeof(object*); }
-
-inline constexpr unsigned binder_info_offset(expr_kind k) {
-    // Only for: k == expr_kind::Pi || k == expr_kind::Lambda || k == expr_kind::Local
-    return scalar_offset(k);
-}
-
-/* Legacy support */
-inline constexpr unsigned reflected_offset(expr_kind k) {
-    // Only for: k == expr_kind::Quote
-    return scalar_offset(k);
-}
-
-inline constexpr unsigned hash_offset(expr_kind k) {
-    return
-        k == expr_kind::Local  ? scalar_offset(k) + sizeof(unsigned) : // for binder_info, TODO(Leo): delete after we remove support for legacy code
-        k == expr_kind::Lambda ? scalar_offset(k) + sizeof(unsigned) : // for binder_info
-        k == expr_kind::Pi     ? scalar_offset(k) + sizeof(unsigned) : // for binder_info
-        scalar_offset(k);
-}
-
-inline constexpr size_t flags_offset(expr_kind k) { return hash_offset(k) + sizeof(unsigned); }
-inline constexpr size_t loose_bvar_range_offset(expr_kind k) { return flags_offset(k) + sizeof(unsigned); }
-/* Size for scalar value area for non recursive expression. */
-inline constexpr size_t expr_scalar_size(expr_kind k) { return flags_offset(k) + sizeof(unsigned); }
-/* Size for scalar value area for recursive expression. */
-inline constexpr size_t rec_expr_scalar_size(expr_kind k) { return loose_bvar_range_offset(k) + sizeof(unsigned); }
-
-static inline unsigned expr_hash(object * e) { return cnstr_get_scalar<unsigned>(e, hash_offset(expr::kind(e))); }
-unsigned hash(expr const & e) { return expr_hash(e.raw()); }
-extern "C" size_t lean_expr_hash(object * e) { return expr_hash(e); }
-
-/* Set expr cached hash code and flags. All expressions contain them.
-   We provide the kind `k` to allow the compiler to compute offsets at compilation time. */
-template<expr_kind k> void set_scalar(object * e, unsigned hash, bool has_expr_mvar, bool has_univ_mvar,
-                                      bool has_fvar, bool has_univ_param) {
-    lean_assert(expr::kind(e) == k);
-    unsigned char d =
-        (has_expr_mvar ? 1 : 0) +
-        (has_univ_mvar ? 2 : 0) +
-        (has_fvar ? 4 : 0) +
-        (has_univ_param ? 8 : 0);
-    cnstr_set_scalar<unsigned>(e, hash_offset(k), hash);
-    cnstr_set_scalar<unsigned char>(e, flags_offset(k), d);
-}
-
-/* Set expr cached loose bvar range. We only store this information in recursive expr constructors.
-   We provide the kind `k` to allow the compiler to compute offsets at compilation time. */
-template<expr_kind k> void set_rec_scalar(object * e, unsigned loose_bvar_range) {
-    lean_assert(expr::kind(e) == k);
-    cnstr_set_scalar<unsigned>(e, loose_bvar_range_offset(k), loose_bvar_range);
-}
-
-template<expr_kind k> void set_binder_info(object * e, binder_info bi) {
-    lean_assert(expr::kind(e) == k);
-    cnstr_set_scalar<unsigned char>(e, binder_info_offset(k), static_cast<unsigned char>(bi));
-}
-
-static inline unsigned char get_flags(object * e) { return cnstr_get_scalar<unsigned char>(e, flags_offset(expr::kind(e))); }
-static inline bool has_expr_mvar(object * e) { return (get_flags(e) & 1) != 0; }
-static inline bool has_univ_mvar(object * e) { return (get_flags(e) & 2) != 0; }
-static inline bool has_fvar(object * e) { return (get_flags(e) & 4) != 0; }
-static inline bool has_univ_param(object * e) { return (get_flags(e) & 8) != 0; }
-bool has_expr_mvar(expr const & e) { return has_expr_mvar(e.raw()); }
-bool has_univ_mvar(expr const & e) { return has_univ_mvar(e.raw()); }
-bool has_fvar(expr const & e) { return has_fvar(e.raw()); }
-bool has_univ_param(expr const & e) { return has_univ_param(e.raw()); }
-
-template<expr_kind k> unsigned get_loose_bvar_range_core(object * e) { return cnstr_get_scalar<unsigned>(e, loose_bvar_range_offset(k)); }
-
-unsigned expr_get_loose_bvar_range(object * e) {
-    switch (expr::kind(e)) {
-    case expr_kind::Const: case expr_kind::Sort:
-    case expr_kind::Lit:   case expr_kind::MVar:
-    case expr_kind::FVar:
-        return 0;
-    case expr_kind::BVar:    {
-        object * idx = cnstr_get(e, 0);
-        if (is_scalar(idx))
-            return safe_inc(unbox(idx));
-        else
-            return std::numeric_limits<unsigned>::max();
-    }
-    case expr_kind::Local:   return get_loose_bvar_range_core<expr_kind::Local>(e);
-    case expr_kind::Lambda:  return get_loose_bvar_range_core<expr_kind::Lambda>(e);
-    case expr_kind::Pi:      return get_loose_bvar_range_core<expr_kind::Pi>(e);
-    case expr_kind::App:     return get_loose_bvar_range_core<expr_kind::App>(e);
-    case expr_kind::Let:     return get_loose_bvar_range_core<expr_kind::Let>(e);
-    case expr_kind::MData:   return get_loose_bvar_range_core<expr_kind::MData>(e);
-    case expr_kind::Proj:    return get_loose_bvar_range_core<expr_kind::Proj>(e);
-    }
-    lean_unreachable(); // LCOV_EXCL_LINE
-}
-
-extern "C" object * lean_expr_get_loose_bvar_range(b_obj_arg e) { return mk_nat_obj(expr_get_loose_bvar_range(e)); }
-
 bool is_atomic(expr const & e) {
     switch (e.kind()) {
     case expr_kind::Const: case expr_kind::Sort:
@@ -227,28 +73,29 @@ bool is_atomic(expr const & e) {
     lean_unreachable(); // LCOV_EXCL_LINE
 }
 
-binder_info binding_info(expr const & e) {
-    lean_assert(is_lambda(e) || is_pi(e));
-    // Remark: lambda and Pi have the same memory layout
-    return static_cast<binder_info>(cnstr_get_scalar<unsigned char>(e.raw(), binder_info_offset(expr_kind::Lambda)));
-}
+extern "C" uint8 lean_expr_binder_info(object * e);
+binder_info binding_info(expr const & e) { return static_cast<binder_info>(lean_expr_binder_info(e.to_obj_arg())); }
 
-/* Legacy */
-binder_info local_info(expr const & e) {
-    lean_assert(is_local(e));
-    return static_cast<binder_info>(cnstr_get_scalar<unsigned char>(e.raw(), binder_info_offset(expr_kind::Local)));
-}
+extern "C" object * lean_lit_type(obj_arg e);
+expr lit_type(expr const & e) { return expr(lean_lit_type(e.to_obj_arg())); }
 
-static expr * g_nat_type    = nullptr;
-static expr * g_string_type = nullptr;
+extern "C" usize lean_expr_hash(obj_arg e);
+unsigned hash(expr const & e) { return lean_expr_hash(e.to_obj_arg()); }
 
-expr const & lit_type(expr const & e) {
-    switch (lit_value(e).kind()) {
-    case literal_kind::String: return *g_string_type;
-    case literal_kind::Nat:    return *g_nat_type;
-    }
-    lean_unreachable();
-}
+extern "C" uint8 lean_expr_has_fvar(obj_arg e);
+bool has_fvar(expr const & e) { return lean_expr_has_fvar(e.to_obj_arg()); }
+
+extern "C" uint8 lean_expr_has_expr_mvar(obj_arg e);
+bool has_expr_mvar(expr const & e) { return lean_expr_has_expr_mvar(e.to_obj_arg()); }
+
+extern "C" uint8 lean_expr_has_level_mvar(obj_arg e);
+bool has_univ_mvar(expr const & e) { return lean_expr_has_level_mvar(e.to_obj_arg()); }
+
+extern "C" uint8 lean_expr_has_level_param(obj_arg e);
+bool has_univ_param(expr const & e) { return lean_expr_has_level_param(e.to_obj_arg()); }
+
+extern "C" unsigned lean_expr_loose_bvar_range(object * e);
+unsigned get_loose_bvar_range(expr const & e) { return lean_expr_loose_bvar_range(e.to_obj_arg()); }
 
 // =======================================
 // Constructors
@@ -264,209 +111,58 @@ static expr const & get_dummy() {
 
 expr::expr():expr(get_dummy()) {}
 
-extern "C" object * lean_expr_mk_lit(obj_arg l) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Lit), 1, expr_scalar_size(expr_kind::Lit));
-    cnstr_set(r, 0, l);
-    set_scalar<expr_kind::Lit>(r, literal_hash(l), false, false, false, false);
-    return r;
-}
+extern "C" object * lean_expr_mk_lit(obj_arg l);
+expr mk_lit(literal const & l) { return expr(lean_expr_mk_lit(l.to_obj_arg())); }
 
-expr mk_lit(literal const & l) {
-    inc(l.raw());
-    return expr(lean_expr_mk_lit(l.raw()));
-}
+extern "C" object * lean_expr_mk_mdata(obj_arg m, obj_arg e);
+expr mk_mdata(kvmap const & m, expr const & e) { return expr(lean_expr_mk_mdata(m.to_obj_arg(), e.to_obj_arg())); }
 
-extern "C" object * lean_expr_mk_mdata(obj_arg m, obj_arg e) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::MData), 2, expr_scalar_size(expr_kind::MData));
-    cnstr_set(r, 0, m);
-    cnstr_set(r, 1, e);
-    unsigned h = expr_hash(e); // Include hash(m)
-    set_scalar<expr_kind::MData>(r, h, has_expr_mvar(e), has_univ_mvar(e), has_fvar(e), has_univ_param(e));
-    set_rec_scalar<expr_kind::MData>(r, expr_get_loose_bvar_range(e));
-    return r;
-}
+extern "C" object * lean_expr_mk_proj(obj_arg s, obj_arg idx, obj_arg e);
+expr mk_proj(name const & s, nat const & idx, expr const & e) { return expr(lean_expr_mk_proj(s.to_obj_arg(), idx.to_obj_arg(), e.to_obj_arg())); }
 
-expr mk_mdata(kvmap const & m, expr const & e) {
-    inc(m.raw()); inc(e.raw());
-    return expr(lean_expr_mk_mdata(m.raw(), e.raw()));
-}
+extern "C" object * lean_expr_mk_bvar(obj_arg idx);
+expr mk_bvar(nat const & idx) { return expr(lean_expr_mk_bvar(idx.to_obj_arg())); }
 
-extern "C" object * lean_expr_mk_proj(obj_arg s, obj_arg idx, obj_arg e) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Proj), 3, rec_expr_scalar_size(expr_kind::Proj));
-    cnstr_set(r, 0, s);
-    cnstr_set(r, 1, idx);
-    cnstr_set(r, 2, e);
-    unsigned h    = hash(expr_hash(e), nat::hash(idx));
-    set_scalar<expr_kind::Proj>(r, h, has_expr_mvar(e), has_univ_mvar(e), has_fvar(e), has_univ_param(e));
-    set_rec_scalar<expr_kind::Proj>(r, expr_get_loose_bvar_range(e));
-    return r;
-}
+extern "C" object * lean_expr_mk_fvar(obj_arg n);
+expr mk_fvar(name const & n) { return expr(lean_expr_mk_fvar(n.to_obj_arg())); }
 
-expr mk_proj(name const & s, nat const & idx, expr const & e) {
-    inc(s.raw()); inc(idx.raw()); inc(e.raw());
-    return expr(lean_expr_mk_proj(s.raw(), idx.raw(), e.raw()));
-}
+extern "C" object * lean_expr_mk_mvar(object * n);
+expr mk_mvar(name const & n) { return expr(lean_expr_mk_mvar(n.to_obj_arg())); }
 
-extern "C" object * lean_expr_mk_bvar(obj_arg idx) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::BVar), 1, expr_scalar_size(expr_kind::BVar));
-    cnstr_set(r, 0, idx);
-    set_scalar<expr_kind::BVar>(r, nat::hash(idx), false, false, false, false);
-    return r;
-}
+extern "C" object * lean_expr_mk_const(obj_arg n, obj_arg ls);
+expr mk_const(name const & n, levels const & ls) { return expr(lean_expr_mk_const(n.to_obj_arg(), ls.to_obj_arg())); }
 
-expr mk_bvar(nat const & idx) {
-    inc(idx.raw());
-    return expr(lean_expr_mk_bvar(idx.raw()));
-}
+extern "C" object * lean_expr_mk_app(obj_arg f, obj_arg a);
+expr mk_app(expr const & f, expr const & a) { return expr(lean_expr_mk_app(f.to_obj_arg(), a.to_obj_arg())); }
 
-extern "C" object * lean_expr_mk_fvar(obj_arg n) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::FVar), 1, rec_expr_scalar_size(expr_kind::FVar));
-    cnstr_set(r, 0, n);
-    set_scalar<expr_kind::FVar>(r, name::hash(n), false, false, true, false);
-    return r;
-}
-
-expr mk_fvar(name const & n) {
-    return expr(lean_expr_mk_fvar(n.to_obj_arg()));
-}
-
-extern "C" object * lean_expr_mk_const(obj_arg n, obj_arg ls) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Const), 2, expr_scalar_size(expr_kind::Const));
-    cnstr_set(r, 0, n);
-    cnstr_set(r, 1, ls);
-    set_scalar<expr_kind::Const>(r, hash(name::hash(n), levels_hash(ls)), false, levels_has_mvar(ls), false, levels_has_param(ls));
-    return r;
-}
-
-expr mk_const(name const & n, levels const & ls) {
-    inc(n.raw()); inc(ls.raw());
-    return expr(lean_expr_mk_const(n.raw(), ls.raw()));
-}
-
-extern "C" object * lean_expr_mk_app(obj_arg f, obj_arg a) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::App), 2, rec_expr_scalar_size(expr_kind::App));
-    cnstr_set(r, 0, f);
-    cnstr_set(r, 1, a);
-    unsigned h    = hash(expr_hash(f), expr_hash(a));
-    set_scalar<expr_kind::App>(r, h,
-                               has_expr_mvar(f) || has_expr_mvar(a),
-                               has_univ_mvar(f) || has_univ_mvar(a),
-                               has_fvar(f) || has_fvar(a),
-                               has_univ_param(f) || has_univ_param(a));
-    set_rec_scalar<expr_kind::App>(r, std::max(expr_get_loose_bvar_range(f), expr_get_loose_bvar_range(a)));
-    return r;
-}
-
-expr mk_app(expr const & f, expr const & a) {
-    inc(f.raw()); inc(a.raw());
-    return expr(lean_expr_mk_app(f.raw(), a.raw()));
-}
-
-extern "C" object * lean_expr_mk_sort(obj_arg l) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Sort), 1, expr_scalar_size(expr_kind::Sort));
-    cnstr_set(r, 0, l);
-    set_scalar<expr_kind::Sort>(r, level::hash(l), false, lean_level_has_mvar(l), false, lean_level_has_param(l));
-    return r;
-}
-
-expr mk_sort(level const & l) {
-    inc(l.raw());
-    return expr(lean_expr_mk_sort(l.raw()));
-}
-
-template<expr_kind k>
-static object * mk_binding(obj_arg n, obj_arg t, obj_arg e, binder_info bi) {
-    lean_assert(k == expr_kind::Pi || k == expr_kind::Lambda);
-    object * r = alloc_cnstr(static_cast<unsigned>(k), 3, rec_expr_scalar_size(k));
-    cnstr_set(r, 0, n);
-    cnstr_set(r, 1, t);
-    cnstr_set(r, 2, e);
-    unsigned h    = hash(expr_hash(t), expr_hash(e));
-    unsigned lbvr = std::max(expr_get_loose_bvar_range(t), safe_dec(expr_get_loose_bvar_range(e)));
-    set_binder_info<k>(r, bi);
-    set_scalar<k>(r, h,
-                  has_expr_mvar(t)  || has_expr_mvar(e),
-                  has_univ_mvar(t)  || has_univ_mvar(e),
-                  has_fvar(t)       || has_fvar(e),
-                  has_univ_param(t) || has_univ_param(e));
-    set_rec_scalar<k>(r, lbvr);
-    return r;
-}
-
-extern "C" object * lean_expr_mk_lambda(obj_arg n, uint8 bi, obj_arg t, obj_arg e) {
-    return mk_binding<expr_kind::Lambda>(n, t, e, static_cast<binder_info>(bi));
-}
+extern "C" object * lean_expr_mk_sort(obj_arg l);
+expr mk_sort(level const & l) { return expr(lean_expr_mk_sort(l.to_obj_arg())); }
 
+extern "C" object * lean_expr_mk_lambda(obj_arg n, obj_arg t, obj_arg e, uint8 bi);
 expr mk_lambda(name const & n, expr const & t, expr const & e, binder_info bi) {
-    inc(n.raw()); inc(t.raw()); inc(e.raw());
-    return expr(mk_binding<expr_kind::Lambda>(n.raw(), t.raw(), e.raw(), bi));
-}
-
-extern "C" object * lean_expr_mk_forall(obj_arg n, uint8 bi, obj_arg t, obj_arg e) {
-    return mk_binding<expr_kind::Pi>(n, t, e, static_cast<binder_info>(bi));
+    return expr(lean_expr_mk_lambda(n.to_obj_arg(), t.to_obj_arg(), e.to_obj_arg(), static_cast<uint8>(bi)));
 }
 
+extern "C" object * lean_expr_mk_forall(obj_arg n, obj_arg t, obj_arg e, uint8 bi);
 expr mk_pi(name const & n, expr const & t, expr const & e, binder_info bi) {
-    inc(n.raw()); inc(t.raw()); inc(e.raw());
-    return expr(mk_binding<expr_kind::Pi>(n.raw(), t.raw(), e.raw(), bi));
+    return expr(lean_expr_mk_forall(n.to_obj_arg(), t.to_obj_arg(), e.to_obj_arg(), static_cast<uint8>(bi)));
 }
 
 static name * g_default_name = nullptr;
-
 expr mk_arrow(expr const & t, expr const & e) {
     return mk_pi(*g_default_name, t, e, mk_binder_info());
 }
 
-extern "C" object * lean_expr_mk_let(object * n, object * t, object * v, object * b) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Let), 4, rec_expr_scalar_size(expr_kind::Let));
-    cnstr_set(r, 0, n);
-    cnstr_set(r, 1, t);
-    cnstr_set(r, 2, v);
-    cnstr_set(r, 3, b);
-    unsigned h    = hash(hash(expr_hash(t), expr_hash(v)), expr_hash(b));
-    unsigned lbvr = std::max(expr_get_loose_bvar_range(t), std::max(expr_get_loose_bvar_range(v), safe_dec(expr_get_loose_bvar_range(b))));
-    set_scalar<expr_kind::Let>(r, h,
-                               has_expr_mvar(t)  || has_expr_mvar(v)  || has_expr_mvar(b),
-                               has_univ_mvar(t)  || has_univ_mvar(v)  || has_univ_mvar(b),
-                               has_fvar(t)       || has_fvar(v)       || has_fvar(b),
-                               has_univ_param(t) || has_univ_param(v) || has_univ_param(b));
-    set_rec_scalar<expr_kind::Let>(r, lbvr);
-    return r;
-}
-
+extern "C" object * lean_expr_mk_let(object * n, object * t, object * v, object * b);
 expr mk_let(name const & n, expr const & t, expr const & v, expr const & b) {
-    inc(n.raw()); inc(t.raw()); inc(v.raw()); inc(b.raw());
-    return expr(lean_expr_mk_let(n.raw(), t.raw(), v.raw(), b.raw()));
-}
-
-extern "C" object * lean_expr_mk_mvar_core(object * n) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::MVar), 1, rec_expr_scalar_size(expr_kind::MVar));
-    cnstr_set(r, 0, n);
-    set_scalar<expr_kind::MVar>(r, name::hash(n), true, false, false, false);
-    set_rec_scalar<expr_kind::MVar>(r, 0);
-    return r;
-}
-
-extern "C" object * lean_expr_mk_mvar(object * n) {
-    return lean_expr_mk_mvar_core(n);
-}
-
-expr mk_mvar(name const & n) {
-    inc(n.raw());
-    return expr(lean_expr_mk_mvar_core(n.raw()));
+    return expr(lean_expr_mk_let(n.to_obj_arg(), t.to_obj_arg(), v.to_obj_arg(), b.to_obj_arg()));
 }
 
 static expr * g_Prop  = nullptr;
 static expr * g_Type0 = nullptr;
-
 expr mk_Prop() { return *g_Prop; }
 expr mk_Type() { return *g_Type0; }
 
-// Legacy
-extern "C" obj_res lean_expr_local(obj_arg vm_name, obj_arg vm_pp_name, obj_arg vm_type, uint8 vm_binder_info) {
-    return mk_local(name(vm_name), name(vm_pp_name), expr(vm_type), static_cast<binder_info>(vm_binder_info)).steal();
-}
-
 // =======================================
 // Auxiliary constructors and accessors
 
@@ -570,20 +266,6 @@ bool is_default_var_name(name const & n) {
     return n == *g_default_name;
 }
 
-/* Legacy */
-optional<expr> has_expr_metavar_strict(expr const & e) {
-    if (!has_expr_metavar(e))
-        return none_expr();
-    optional<expr> r;
-    for_each(e, [&](expr const & e, unsigned) {
-            if (r || !has_expr_metavar(e)) return false;
-            if (is_metavar_app(e)) { r = e; return false; }
-            if (is_local(e)) return false; // do not visit type
-            return true;
-        });
-    return r;
-}
-
 // =======================================
 // Update
 
@@ -643,45 +325,6 @@ expr update_let(expr const & e, expr const & new_type, expr const & new_value, e
         return e;
 }
 
-/* Legacy */
-static inline object * mk_local(obj_arg n, obj_arg pp_n, obj_arg t, binder_info bi) {
-    object * r = alloc_cnstr(static_cast<unsigned>(expr_kind::Local), 3, rec_expr_scalar_size(expr_kind::Local));
-    cnstr_set(r, 0, n);
-    cnstr_set(r, 1, pp_n);
-    cnstr_set(r, 2, t);
-    set_binder_info<expr_kind::Local>(r, bi);
-    set_scalar<expr_kind::Local>(r, name::hash(n), has_expr_mvar(t), has_univ_mvar(t), true, has_univ_param(t));
-    set_rec_scalar<expr_kind::Local>(r, expr_get_loose_bvar_range(t));
-    return r;
-}
-
-/* Legacy */
-expr mk_local(name const & n, name const & pp_n, expr const & t, binder_info bi) {
-    inc(n.raw()); inc(pp_n.raw()); inc(t.raw());
-    return expr(mk_local(n.raw(), pp_n.raw(), t.raw(), bi));
-}
-
-/* Legacy */
-expr update_local(expr const & e, expr const & new_type, binder_info bi) {
-    if (is_eqp(local_type(e), new_type) && local_info(e) == bi)
-        return e;
-    else
-        return mk_local(local_name(e), local_pp_name(e), new_type, bi);
-}
-
-/* Legacy */
-expr update_local(expr const & e, binder_info bi) {
-    return update_local(e, local_type(e), bi);
-}
-
-/* Legacy */
-expr update_local(expr const & e, expr const & new_type) {
-    if (is_eqp(local_type(e), new_type))
-        return e;
-    else
-        return mk_local(local_name(e), local_pp_name(e), new_type, local_info(e));
-}
-
 extern "C" object * lean_expr_update_mdata(obj_arg e, obj_arg new_expr) {
     if (mdata_expr(TO_REF(expr, e)).raw() != new_expr) {
         lean_dec_ref(e);
@@ -736,8 +379,7 @@ extern "C" object * lean_expr_update_forall(obj_arg e, uint8 new_binfo, obj_arg
     if (binding_domain(TO_REF(expr, e)).raw() != new_domain || binding_body(TO_REF(expr, e)).raw() != new_body ||
         binding_info(TO_REF(expr, e)) != static_cast<binder_info>(new_binfo)) {
         lean_dec_ref(e);
-        return lean_expr_mk_forall(binding_name(TO_REF(expr, e)).to_obj_arg(),
-                                   new_binfo, new_domain, new_body);
+        return lean_expr_mk_forall(binding_name(TO_REF(expr, e)).to_obj_arg(), new_domain, new_body, new_binfo);
     } else {
         lean_dec_ref(new_domain); lean_dec_ref(new_body);
         return e;
@@ -748,8 +390,7 @@ extern "C" object * lean_expr_update_lambda(obj_arg e, uint8 new_binfo, obj_arg
     if (binding_domain(TO_REF(expr, e)).raw() != new_domain || binding_body(TO_REF(expr, e)).raw() != new_body ||
         binding_info(TO_REF(expr, e)) != static_cast<binder_info>(new_binfo)) {
         lean_dec_ref(e);
-        return lean_expr_mk_lambda(binding_name(TO_REF(expr, e)).to_obj_arg(),
-                                   new_binfo, new_domain, new_body);
+        return lean_expr_mk_lambda(binding_name(TO_REF(expr, e)).to_obj_arg(), new_domain, new_body, new_binfo);
     } else {
         lean_dec_ref(new_domain); lean_dec_ref(new_body);
         return e;
@@ -767,7 +408,6 @@ extern "C" object * lean_expr_update_let(obj_arg e, obj_arg new_type, obj_arg ne
     }
 }
 
-
 // =======================================
 // Loose bound variable management
 
@@ -878,21 +518,6 @@ expr infer_implicit(expr const & t, bool strict) {
     return infer_implicit(t, std::numeric_limits<unsigned>::max(), strict);
 }
 
-// =======================================
-// Extra exports
-
-extern "C" uint8 lean_expr_has_expr_mvar(b_obj_arg o) {
-    return has_expr_mvar(TO_REF(expr, o));
-}
-
-extern "C" uint8 lean_expr_has_level_mvar(b_obj_arg o) {
-    return has_univ_mvar(TO_REF(expr, o));
-}
-
-extern "C" uint8 lean_expr_has_fvar(b_obj_arg o) {
-    return has_fvar(TO_REF(expr, o));
-}
-
 // =======================================
 // Initialization & Finalization
 
@@ -903,8 +528,6 @@ void initialize_expr() {
     g_Prop         = new expr(mk_sort(mk_level_zero()));
     /* TODO(Leo): add support for builtin constants in the kernel.
        Something similar to what we have in the library directory. */
-    g_nat_type     = new expr(mk_constant("Nat"));
-    g_string_type  = new expr(mk_constant("String"));
 }
 
 void finalize_expr() {
@@ -912,7 +535,45 @@ void finalize_expr() {
     delete g_Type0;
     delete g_dummy;
     delete g_default_name;
-    delete g_nat_type;
-    delete g_string_type;
+}
+
+// =======================================
+// Legacy
+
+binder_info local_info(expr const & e) { lean_assert(is_local(e)); return static_cast<binder_info>(lean_expr_binder_info(e.to_obj_arg())); }
+extern "C" object * lean_expr_mk_local(obj_arg n, obj_arg u, obj_arg t, uint8 bi);
+expr mk_local(name const & n, name const & pp_n, expr const & t, binder_info bi) {
+    return expr(lean_expr_mk_local(n.to_obj_arg(), pp_n.to_obj_arg(), t.to_obj_arg(), static_cast<uint8>(bi)));
+}
+
+expr update_local(expr const & e, expr const & new_type, binder_info bi) {
+    if (is_eqp(local_type(e), new_type) && local_info(e) == bi)
+        return e;
+    else
+        return mk_local(local_name(e), local_pp_name(e), new_type, bi);
+}
+
+expr update_local(expr const & e, binder_info bi) {
+    return update_local(e, local_type(e), bi);
+}
+
+expr update_local(expr const & e, expr const & new_type) {
+    if (is_eqp(local_type(e), new_type))
+        return e;
+    else
+        return mk_local(local_name(e), local_pp_name(e), new_type, local_info(e));
+}
+
+optional<expr> has_expr_metavar_strict(expr const & e) {
+    if (!has_expr_metavar(e))
+        return none_expr();
+    optional<expr> r;
+    for_each(e, [&](expr const & e, unsigned) {
+            if (r || !has_expr_metavar(e)) return false;
+            if (is_metavar_app(e)) { r = e; return false; }
+            if (is_local(e)) return false; // do not visit type
+            return true;
+        });
+    return r;
 }
 }
diff --git a/stage0/src/kernel/expr.h b/stage0/src/kernel/expr.h
index 51856fa789..40610917ee 100644
--- a/stage0/src/kernel/expr.h
+++ b/stage0/src/kernel/expr.h
@@ -150,8 +150,7 @@ bool has_univ_mvar(expr const & e);
 inline bool has_mvar(expr const & e) { return has_expr_mvar(e) || has_univ_mvar(e); }
 bool has_fvar(expr const & e);
 bool has_univ_param(expr const & e);
-unsigned expr_get_loose_bvar_range(object * e);
-inline unsigned get_loose_bvar_range(expr const & e) { return expr_get_loose_bvar_range(e.raw()); }
+unsigned get_loose_bvar_range(expr const & e);
 
 struct expr_hash { unsigned operator()(expr const & e) const { return hash(e); } };
 struct expr_pair_hash {
@@ -227,7 +226,7 @@ expr mk_Type();
 inline literal const & lit_value(expr const & e)             { lean_assert(is_lit(e)); return static_cast<literal const &>(cnstr_get_ref(e, 0)); }
 inline bool is_nat_lit(expr const & e)                       { return is_lit(e) && lit_value(e).kind() == literal_kind::Nat; }
 inline bool is_string_lit(expr const & e)                    { return is_lit(e) && lit_value(e).kind() == literal_kind::String; }
-expr const & lit_type(expr const & e);
+expr lit_type(expr const & e);
 inline kvmap const &   mdata_data(expr const & e)            { lean_assert(is_mdata(e)); return static_cast<kvmap const &>(cnstr_get_ref(e, 0)); }
 inline expr const &    mdata_expr(expr const & e)            { lean_assert(is_mdata(e)); return static_cast<expr const &>(cnstr_get_ref(e, 1)); }
 inline name const &    proj_sname(expr const & e)            { lean_assert(is_proj(e)); return static_cast<name const &>(cnstr_get_ref(e, 0)); }
diff --git a/stage0/src/library/compiler/util.cpp b/stage0/src/library/compiler/util.cpp
index ca5c3c6d4a..c8bfaa1ec6 100644
--- a/stage0/src/library/compiler/util.cpp
+++ b/stage0/src/library/compiler/util.cpp
@@ -372,7 +372,6 @@ bool is_runtime_builtin_type(name const & n) {
         n == get_usize_name()  ||
         n == get_thunk_name()  ||
         n == get_lean_name_name() ||
-        n == get_lean_expr_name() ||
         n == get_lean_level_name() ||
         n == get_task_name()   ||
         n == get_array_name()  ||