diff --git a/stage0/src/Init/Lean/Elab/Tactic.lean b/stage0/src/Init/Lean/Elab/Tactic.lean
index 2ae2bef354..b5b6a2d2ca 100644
--- a/stage0/src/Init/Lean/Elab/Tactic.lean
+++ b/stage0/src/Init/Lean/Elab/Tactic.lean
@@ -13,7 +13,7 @@ namespace Elab
 namespace Term
 
 def mkTacticMVar (ref : Syntax) (type : Expr) (tacticCode : Syntax) : TermElabM Expr := do
-mvar ← mkFreshExprMVar ref type MetavarKind.synthetic `main;
+mvar ← mkFreshExprMVar ref type MetavarKind.syntheticOpaque `main;
 let mvarId := mvar.mvarId!;
 registerSyntheticMVar ref mvarId $ SyntheticMVarKind.tactic tacticCode;
 pure mvar
@@ -24,7 +24,7 @@ fun stx expectedType? =>
   | some expectedType => mkTacticMVar stx expectedType (stx.getArg 1)
   | none => throwError stx ("invalid tactic block, expected type has not been provided")
 
-open Tactic (TacticM evalTactic)
+open Tactic (TacticM evalTactic getUnsolvedGoals)
 
 def liftTacticElabM {α} (ref : Syntax) (mvarId : MVarId) (x : TacticM α) : TermElabM α :=
 withMVarContext mvarId $ fun ctx s =>
@@ -32,16 +32,13 @@ withMVarContext mvarId $ fun ctx s =>
   | EStateM.Result.error ex newS => EStateM.Result.error (Term.Exception.ex ex) newS.toTermState
   | EStateM.Result.ok a newS     => EStateM.Result.ok a newS.toTermState
 
-def reportUnsolvedGoals (ref : Syntax) (goals : List MVarId) : TermElabM Unit :=
-throwError ref $ "unsolved goals" ++ Format.line ++ MessageData.joinSep (goals.map $ MessageData.ofGoal) Format.line
-
 def ensureAssignmentHasNoMVars (ref : Syntax) (mvarId : MVarId) : TermElabM Unit := do
 val ← instantiateMVars ref (mkMVar mvarId);
 when val.hasMVar $ throwError ref ("tactic failed, result still contain metavariables" ++ indentExpr val)
 
 def runTactic (ref : Syntax) (mvarId : MVarId) (tacticCode : Syntax) : TermElabM Unit := do
 modify $ fun s => { mctx := s.mctx.instantiateMVarDeclMVars mvarId, .. s };
-remainingGoals ← liftTacticElabM ref mvarId $ do { evalTactic tacticCode; s ← get; pure s.goals };
+remainingGoals ← liftTacticElabM ref mvarId $ do { evalTactic tacticCode; getUnsolvedGoals };
 let tailRef := ref.getTailWithInfo.getD ref;
 unless remainingGoals.isEmpty (reportUnsolvedGoals tailRef remainingGoals);
 ensureAssignmentHasNoMVars tailRef mvarId
diff --git a/stage0/src/Init/Lean/Elab/Tactic/Basic.lean b/stage0/src/Init/Lean/Elab/Tactic/Basic.lean
index 2f5437be69..e531f91b89 100644
--- a/stage0/src/Init/Lean/Elab/Tactic/Basic.lean
+++ b/stage0/src/Init/Lean/Elab/Tactic/Basic.lean
@@ -4,6 +4,7 @@ Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Leonardo de Moura, Sebastian Ullrich
 -/
 prelude
+import Init.Lean.Util.CollectMVars
 import Init.Lean.Elab.Util
 import Init.Lean.Elab.Term
 import Init.Lean.Meta.Tactic.Assumption
@@ -11,6 +12,11 @@ import Init.Lean.Meta.Tactic.Intro
 
 namespace Lean
 namespace Elab
+
+def Term.reportUnsolvedGoals (ref : Syntax) (goals : List MVarId) : TermElabM Unit :=
+let tailRef := ref.getTailWithInfo.getD ref;
+Term.throwError tailRef $ "unsolved goals" ++ Format.line ++ MessageData.joinSep (goals.map $ MessageData.ofGoal) (Format.line ++ Format.line)
+
 namespace Tactic
 
 structure Context extends toTermCtx : Term.Context :=
@@ -22,12 +28,27 @@ structure State extends toTermState : Term.State :=
 
 instance State.inhabited : Inhabited State := ⟨{ goals := [], toTermState := arbitrary _ }⟩
 
+structure BacktrackableState :=
+(env   : Environment)
+(mctx  : MetavarContext)
+(goals : List MVarId)
+
 abbrev Exception := Elab.Exception
 
 abbrev TacticM := ReaderT Context (EStateM Exception State)
 
 abbrev Tactic := Syntax → TacticM Unit
 
+protected def save (s : State) : BacktrackableState :=
+{ .. s }
+
+protected def restore (s : State) (bs : BacktrackableState) : State :=
+{ env := bs.env, mctx := bs.mctx, goals := bs.goals, .. s }
+
+instance : EStateM.Backtrackable BacktrackableState State :=
+{ save    := Tactic.save,
+  restore := Tactic.restore }
+
 def liftTermElabM {α} (x : TermElabM α) : TacticM α :=
 fun ctx s => match x ctx.toTermCtx s.toTermState with
  | EStateM.Result.ok a newS                         => EStateM.Result.ok a { toTermState := newS, .. s }
@@ -44,9 +65,17 @@ def getOptions : TacticM Options := do ctx ← read; pure ctx.config.opts
 def getMVarDecl (mvarId : MVarId) : TacticM MetavarDecl := do mctx ← getMCtx; pure $ mctx.getDecl mvarId
 def instantiateMVars (ref : Syntax) (e : Expr) : TacticM Expr := liftTermElabM $ Term.instantiateMVars ref e
 def addContext (msg : MessageData) : TacticM MessageData := liftTermElabM $ Term.addContext msg
+def isExprMVarAssigned (mvarId : MVarId) : TacticM Bool := liftTermElabM $ Term.isExprMVarAssigned mvarId
 def assignExprMVar (mvarId : MVarId) (val : Expr) : TacticM Unit := liftTermElabM $ Term.assignExprMVar mvarId val
 def ensureHasType (ref : Syntax) (expectedType? : Option Expr) (e : Expr) : TacticM Expr := liftTermElabM $ Term.ensureHasType ref expectedType? e
 def elabTerm (stx : Syntax) (expectedType? : Option Expr) : TacticM Expr := liftTermElabM $ Term.elabTerm stx expectedType?
+def reportUnsolvedGoals (ref : Syntax) (goals : List MVarId) : TacticM Unit := liftTermElabM $ Term.reportUnsolvedGoals ref goals
+
+/-- Collect unassigned metavariables -/
+def collectMVars (ref : Syntax) (e : Expr) : TacticM (List MVarId) := do
+e ← instantiateMVars ref e;
+let s := Lean.collectMVars {} e;
+pure s.result.toList
 
 instance monadLog : MonadLog TacticM :=
 { getCmdPos   := do ctx ← read; pure ctx.cmdPos,
@@ -180,8 +209,13 @@ let needReset := ctx.localInstances == mvarDecl.localInstances;
 withLCtx mvarDecl.lctx mvarDecl.localInstances $ resettingSynthInstanceCacheWhen needReset x
 
 def getGoals : TacticM (List MVarId) := do s ← get; pure s.goals
-def getMainGoal (ref : Syntax) : TacticM (MVarId × List MVarId) := do (g::gs) ← getGoals | throwError ref "no goals to be solved"; pure (g, gs)
-def updateGoals (gs : List MVarId) : TacticM Unit := modify $ fun s => { goals := gs, .. s }
+def setGoals (gs : List MVarId) : TacticM Unit := modify $ fun s => { goals := gs, .. s }
+def pruneSolvedGoals : TacticM Unit := do
+gs ← getGoals;
+gs ← gs.filterM $ fun g => not <$> isExprMVarAssigned g;
+setGoals gs
+def getUnsolvedGoals : TacticM (List MVarId) := do pruneSolvedGoals; getGoals
+def getMainGoal (ref : Syntax) : TacticM (MVarId × List MVarId) := do (g::gs) ← getUnsolvedGoals | throwError ref "no goals to be solved"; pure (g, gs)
 def ensureHasNoMVars (ref : Syntax) (e : Expr) : TacticM Unit := do
 e ← instantiateMVars ref e;
 when e.hasMVar $ throwError ref ("tactic failed, resulting expression contains metavariables" ++ indentExpr e)
@@ -190,7 +224,19 @@ when e.hasMVar $ throwError ref ("tactic failed, resulting expression contains m
 (g, gs) ← getMainGoal ref;
 withMVarContext g $ do
   gs' ← liftMetaM ref $ tactic g;
-  updateGoals (gs' ++ gs)
+  setGoals (gs' ++ gs)
+
+def done (ref : Syntax) : TacticM Unit := do
+gs ← getUnsolvedGoals;
+unless gs.isEmpty $ reportUnsolvedGoals ref gs
+
+def focus {α} (ref : Syntax) (tactic : TacticM α) : TacticM α := do
+(g, gs) ← getMainGoal ref;
+setGoals [g];
+a ← tactic;
+done ref;
+setGoals gs;
+pure a
 
 @[builtinTactic seq] def evalSeq : Tactic :=
 fun stx => (stx.getArg 0).forSepArgsM evalTactic
@@ -216,9 +262,30 @@ fun stx => match_syntax stx with
       ensureHasNoMVars ref val;
       assignExprMVar g val
     };
-    updateGoals gs
+    setGoals gs
   | _                   => throwUnsupportedSyntax
 
+@[builtinTactic «refine»] def evalRefine : Tactic :=
+fun stx => match_syntax stx with
+  | `(tactic| refine $e) => do
+    let ref := stx;
+    (g, gs) ← getMainGoal stx;
+    gs' ← withMVarContext g $ do {
+      decl ← getMVarDecl g;
+      val  ← elabTerm e decl.type;
+      val  ← ensureHasType ref decl.type val;
+      assignExprMVar g val;
+      collectMVars ref val
+    };
+    setGoals (gs' ++ gs)
+  | _                   => throwUnsupportedSyntax
+
+@[builtinTactic nestedTacticBlock] def evalNestedTacticBlock : Tactic :=
+fun stx => focus stx (evalTactic (stx.getArg 1))
+
+@[builtinTactic nestedTacticBlockCurly] def evalNestedTacticBlockCurly : Tactic :=
+evalNestedTacticBlock
+
 @[init] private def regTraceClasses : IO Unit := do
 registerTraceClass `Elab.tactic;
 pure ()
diff --git a/stage0/src/Init/Lean/Elab/Term.lean b/stage0/src/Init/Lean/Elab/Term.lean
index a7cd5e68a4..8a6a3d483b 100644
--- a/stage0/src/Init/Lean/Elab/Term.lean
+++ b/stage0/src/Init/Lean/Elab/Term.lean
@@ -638,6 +638,11 @@ fun _ _ => pure $ mkSort levelOne
 @[builtinTermElab «hole»] def elabHole : TermElab :=
 fun stx expectedType? => mkFreshExprMVar stx expectedType?
 
+@[builtinTermElab «namedHole»] def elabNamedHole : TermElab :=
+fun stx expectedType? =>
+  let name := stx.getIdAt 1;
+  mkFreshExprMVar stx expectedType? MetavarKind.syntheticOpaque name
+
 /-- Main loop for `mkPairs`. -/
 private partial def mkPairsAux (elems : Array Syntax) : Nat → Syntax → TermElabM Syntax
 | i, acc =>
diff --git a/stage0/src/Init/Lean/LocalContext.lean b/stage0/src/Init/Lean/LocalContext.lean
index e27bb39d65..46a51a4d57 100644
--- a/stage0/src/Init/Lean/LocalContext.lean
+++ b/stage0/src/Init/Lean/LocalContext.lean
@@ -7,6 +7,7 @@ prelude
 import Init.Data.PersistentArray.Basic
 import Init.Data.PersistentHashMap.Basic
 import Init.Lean.Expr
+import Init.Lean.Hygiene
 
 namespace Lean
 
@@ -149,7 +150,7 @@ lctx.decls.findRev? (fun decl =>
 def usesUserName (lctx : LocalContext) (userName : Name) : Bool :=
 (lctx.findFromUserName? userName).isSome
 
-partial def getUnusedNameAux (lctx : LocalContext) (suggestion : Name) : Nat → Name × Nat
+private partial def getUnusedNameAux (lctx : LocalContext) (suggestion : Name) : Nat → Name × Nat
 | i =>
   let curr := suggestion.appendIndexAfter i;
   if lctx.usesUserName curr then getUnusedNameAux (i + 1)
@@ -157,7 +158,8 @@ partial def getUnusedNameAux (lctx : LocalContext) (suggestion : Name) : Nat →
 
 @[export lean_local_ctx_get_unused_name]
 def getUnusedName (lctx : LocalContext) (suggestion : Name) : Name :=
-if lctx.usesUserName suggestion then (lctx.getUnusedNameAux suggestion 1).1
+let (suggestion, _) := extractMacroScopes suggestion;
+if lctx.usesUserName suggestion then (getUnusedNameAux lctx suggestion 1).1
 else suggestion
 
 @[export lean_local_ctx_last_decl]
diff --git a/stage0/src/Init/Lean/Meta/Tactic/Intro.lean b/stage0/src/Init/Lean/Meta/Tactic/Intro.lean
index 220fb7d922..08233df1bf 100644
--- a/stage0/src/Init/Lean/Meta/Tactic/Intro.lean
+++ b/stage0/src/Init/Lean/Meta/Tactic/Intro.lean
@@ -16,7 +16,8 @@ def introNCoreAux {σ} (mvarId : MVarId) (mkName : LocalContext → Name → σ
   let type := type.instantiateRevRange j fvars.size fvars;
   adaptReader (fun (ctx : Context) => { lctx := lctx, .. ctx }) $
     withNewLocalInstances isClassExpensive fvars j $ do
-      newMVar ← mkFreshExprSyntheticOpaqueMVar type;
+      tag     ← getMVarTag mvarId;
+      newMVar ← mkFreshExprSyntheticOpaqueMVar type tag;
       lctx    ← getLCtx;
       newVal  ← mkLambda fvars newMVar;
       modify $ fun s => { mctx := s.mctx.assignExpr mvarId newVal, .. s };
diff --git a/stage0/src/Init/Lean/Meta/Tactic/Util.lean b/stage0/src/Init/Lean/Meta/Tactic/Util.lean
index 3031240915..cd8c55378e 100644
--- a/stage0/src/Init/Lean/Meta/Tactic/Util.lean
+++ b/stage0/src/Init/Lean/Meta/Tactic/Util.lean
@@ -9,6 +9,11 @@ import Init.Lean.Meta.Basic
 namespace Lean
 namespace Meta
 
+/-- Aka user name -/
+def getMVarTag (mvarId : MVarId) : MetaM Name := do
+mvarDecl ← getMVarDecl mvarId;
+pure mvarDecl.userName
+
 def mkFreshExprSyntheticOpaqueMVar (type : Expr) (userName : Name := Name.anonymous) : MetaM Expr :=
 mkFreshExprMVar type userName MetavarKind.syntheticOpaque
 
diff --git a/stage0/src/Init/Lean/Parser/Tactic.lean b/stage0/src/Init/Lean/Parser/Tactic.lean
index 1e8c799579..3cc4c8fc6e 100644
--- a/stage0/src/Init/Lean/Parser/Tactic.lean
+++ b/stage0/src/Init/Lean/Parser/Tactic.lean
@@ -42,6 +42,7 @@ def seq := parser! sepBy tacticParser "; " true
 @[builtinTacticParser] def «apply»      := parser! nonReservedSymbol "apply " >> termParser
 @[builtinTacticParser] def «exact»      := parser! nonReservedSymbol "exact " >> termParser
 @[builtinTacticParser] def «refine»     := parser! nonReservedSymbol "refine " >> termParser
+@[builtinTacticParser] def «case»       := parser! nonReservedSymbol "case " >> ident >> tacticParser
 @[builtinTacticParser] def nestedTacticBlock := parser! "begin " >> seq >> "end"
 @[builtinTacticParser] def nestedTacticBlockCurly := parser! "{" >> seq >> "}"
 @[builtinTacticParser] def orelse := tparser! pushLeading >> " <|> " >> tacticParser 1
diff --git a/stage0/src/Init/Lean/Util/CollectMVars.lean b/stage0/src/Init/Lean/Util/CollectMVars.lean
new file mode 100644
index 0000000000..9a41a8af1a
--- /dev/null
+++ b/stage0/src/Init/Lean/Util/CollectMVars.lean
@@ -0,0 +1,41 @@
+/-
+Copyright (c) 2020 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+prelude
+import Init.Lean.Expr
+
+namespace Lean
+
+namespace CollectMVars
+
+structure State :=
+(visitedExpr  : ExprSet      := {})
+(result       : Array MVarId := #[])
+
+instance State.inhabited : Inhabited State := ⟨{}⟩
+
+abbrev Visitor := State → State
+
+@[inline] def visit (f : Expr → Visitor) (e : Expr) : Visitor :=
+fun s =>
+  if !e.hasMVar || s.visitedExpr.contains e then s
+  else f e { visitedExpr := s.visitedExpr.insert e, .. s }
+
+partial def main : Expr → Visitor
+| Expr.proj _ _ e _    => visit main e
+| Expr.forallE _ d b _ => visit main b ∘ visit main d
+| Expr.lam _ d b _     => visit main b ∘ visit main d
+| Expr.letE _ t v b _  => visit main b ∘ visit main v ∘ visit main t
+| Expr.app f a _       => visit main a ∘ visit main f
+| Expr.mdata _ b _     => visit main b
+| Expr.mvar mvarId _   => fun s => { result := s.result.push mvarId, .. s }
+| _                    => id
+
+end CollectMVars
+
+def collectMVars (s : CollectMVars.State) (e : Expr) : CollectMVars.State :=
+CollectMVars.visit CollectMVars.main e s
+
+end Lean
diff --git a/stage0/src/Init/Lean/Util/PPGoal.lean b/stage0/src/Init/Lean/Util/PPGoal.lean
index b5f2909384..bd1d058966 100644
--- a/stage0/src/Init/Lean/Util/PPGoal.lean
+++ b/stage0/src/Init/Lean/Util/PPGoal.lean
@@ -43,6 +43,9 @@ match mctx.findDecl? mvarId with
     ([], none, Format.nil);
   let fmt := pushPending varNames type? fmt;
   let fmt := addLine fmt;
-  fmt ++ "⊢" ++ " " ++ Format.nest indent (pp mvarDecl.type)
+  let fmt := fmt ++ "⊢" ++ " " ++ Format.nest indent (pp mvarDecl.type);
+  match mvarDecl.userName with
+  | Name.anonymous => fmt
+  | name           => "case " ++ format name ++ Format.line ++ fmt
 
 end Lean
diff --git a/stage0/stdlib/CMakeLists.txt b/stage0/stdlib/CMakeLists.txt
index 3a8f809d5c..df5aa110b2 100644
--- a/stage0/stdlib/CMakeLists.txt
+++ b/stage0/stdlib/CMakeLists.txt
@@ -1 +1 @@
-add_library (stage0 OBJECT Init/./Coe.c Init/./Control.c Init/./Control/Alternative.c Init/./Control/Applicative.c Init/./Control/Conditional.c Init/./Control/EState.c Init/./Control/Except.c Init/./Control/Functor.c Init/./Control/Id.c Init/./Control/Lift.c Init/./Control/Monad.c Init/./Control/MonadFail.c Init/./Control/Option.c Init/./Control/Reader.c Init/./Control/State.c Init/./Core.c Init/./Data.c Init/./Data/Array.c Init/./Data/Array/Basic.c Init/./Data/Array/BinSearch.c Init/./Data/Array/QSort.c Init/./Data/AssocList.c Init/./Data/Basic.c Init/./Data/BinomialHeap.c Init/./Data/BinomialHeap/Basic.c Init/./Data/ByteArray.c Init/./Data/ByteArray/Basic.c Init/./Data/Char.c Init/./Data/Char/Basic.c Init/./Data/DList.c Init/./Data/Fin.c Init/./Data/Fin/Basic.c Init/./Data/HashMap.c Init/./Data/HashMap/Basic.c Init/./Data/HashSet.c Init/./Data/Hashable.c Init/./Data/Int.c Init/./Data/Int/Basic.c Init/./Data/List.c Init/./Data/List/Basic.c Init/./Data/List/BasicAux.c Init/./Data/List/Control.c Init/./Data/List/Instances.c Init/./Data/Nat.c Init/./Data/Nat/Basic.c Init/./Data/Nat/Bitwise.c Init/./Data/Nat/Control.c Init/./Data/Nat/Div.c Init/./Data/Option.c Init/./Data/Option/Basic.c Init/./Data/Option/BasicAux.c Init/./Data/Option/Instances.c Init/./Data/PersistentArray.c Init/./Data/PersistentArray/Basic.c Init/./Data/PersistentHashMap.c Init/./Data/PersistentHashMap/Basic.c Init/./Data/PersistentHashSet.c Init/./Data/Queue.c Init/./Data/Queue/Basic.c Init/./Data/RBMap.c Init/./Data/RBMap/Basic.c Init/./Data/RBMap/BasicAux.c Init/./Data/RBTree.c Init/./Data/RBTree/Basic.c Init/./Data/Random.c Init/./Data/Repr.c Init/./Data/Stack.c Init/./Data/Stack/Basic.c Init/./Data/String.c Init/./Data/String/Basic.c Init/./Data/ToString.c Init/./Data/UInt.c Init/./Default.c Init/./Fix.c Init/./Lean.c Init/./Lean/Attributes.c Init/./Lean/AuxRecursor.c Init/./Lean/Class.c Init/./Lean/Compiler.c Init/./Lean/Compiler/ClosedTermCache.c Init/./Lean/Compiler/ConstFolding.c Init/./Lean/Compiler/ExportAttr.c Init/./Lean/Compiler/ExternAttr.c Init/./Lean/Compiler/IR.c Init/./Lean/Compiler/IR/Basic.c Init/./Lean/Compiler/IR/Borrow.c Init/./Lean/Compiler/IR/Boxing.c Init/./Lean/Compiler/IR/Checker.c Init/./Lean/Compiler/IR/CompilerM.c Init/./Lean/Compiler/IR/CtorLayout.c Init/./Lean/Compiler/IR/ElimDeadBranches.c Init/./Lean/Compiler/IR/ElimDeadVars.c Init/./Lean/Compiler/IR/EmitC.c Init/./Lean/Compiler/IR/EmitUtil.c Init/./Lean/Compiler/IR/ExpandResetReuse.c Init/./Lean/Compiler/IR/Format.c Init/./Lean/Compiler/IR/FreeVars.c Init/./Lean/Compiler/IR/LiveVars.c Init/./Lean/Compiler/IR/NormIds.c Init/./Lean/Compiler/IR/PushProj.c Init/./Lean/Compiler/IR/RC.c Init/./Lean/Compiler/IR/ResetReuse.c Init/./Lean/Compiler/IR/SimpCase.c Init/./Lean/Compiler/IR/UnboxResult.c Init/./Lean/Compiler/ImplementedByAttr.c Init/./Lean/Compiler/InitAttr.c Init/./Lean/Compiler/InlineAttrs.c Init/./Lean/Compiler/NameMangling.c Init/./Lean/Compiler/NeverExtractAttr.c Init/./Lean/Compiler/Specialize.c Init/./Lean/Compiler/Util.c Init/./Lean/Data/Format.c Init/./Lean/Data/KVMap.c Init/./Lean/Data/LBool.c Init/./Lean/Data/LOption.c Init/./Lean/Data/Name.c Init/./Lean/Data/NameGenerator.c Init/./Lean/Data/Occurrences.c Init/./Lean/Data/Options.c Init/./Lean/Data/Position.c Init/./Lean/Data/SMap.c Init/./Lean/Data/Trie.c Init/./Lean/Declaration.c Init/./Lean/Elab.c Init/./Lean/Elab/Alias.c Init/./Lean/Elab/BuiltinNotation.c Init/./Lean/Elab/Command.c Init/./Lean/Elab/DeclModifiers.c Init/./Lean/Elab/Declaration.c Init/./Lean/Elab/Definition.c Init/./Lean/Elab/ElabStrategyAttrs.c Init/./Lean/Elab/Exception.c Init/./Lean/Elab/Frontend.c Init/./Lean/Elab/Import.c Init/./Lean/Elab/Level.c Init/./Lean/Elab/Log.c Init/./Lean/Elab/Quotation.c Init/./Lean/Elab/ResolveName.c Init/./Lean/Elab/Syntax.c Init/./Lean/Elab/SynthesizeSyntheticMVars.c Init/./Lean/Elab/Tactic.c Init/./Lean/Elab/Tactic/Basic.c Init/./Lean/Elab/Term.c Init/./Lean/Elab/TermApp.c Init/./Lean/Elab/TermBinders.c Init/./Lean/Elab/Util.c Init/./Lean/Environment.c Init/./Lean/EqnCompiler.c Init/./Lean/EqnCompiler/MatchPattern.c Init/./Lean/Eval.c Init/./Lean/Expr.c Init/./Lean/HeadIndex.c Init/./Lean/Hygiene.c Init/./Lean/Level.c Init/./Lean/Linter.c Init/./Lean/LocalContext.c Init/./Lean/Message.c Init/./Lean/Meta.c Init/./Lean/Meta/AbstractMVars.c Init/./Lean/Meta/AppBuilder.c Init/./Lean/Meta/Basic.c Init/./Lean/Meta/Check.c Init/./Lean/Meta/DiscrTree.c Init/./Lean/Meta/DiscrTreeTypes.c Init/./Lean/Meta/Exception.c Init/./Lean/Meta/ExprDefEq.c Init/./Lean/Meta/FunInfo.c Init/./Lean/Meta/InferType.c Init/./Lean/Meta/Instances.c Init/./Lean/Meta/KAbstract.c Init/./Lean/Meta/LevelDefEq.c Init/./Lean/Meta/Message.c Init/./Lean/Meta/Offset.c Init/./Lean/Meta/Reduce.c Init/./Lean/Meta/SynthInstance.c Init/./Lean/Meta/Tactic.c Init/./Lean/Meta/Tactic/Assumption.c Init/./Lean/Meta/Tactic/Intro.c Init/./Lean/Meta/Tactic/Util.c Init/./Lean/Meta/WHNF.c Init/./Lean/MetavarContext.c Init/./Lean/Modifiers.c Init/./Lean/Parser.c Init/./Lean/Parser/Command.c Init/./Lean/Parser/Identifier.c Init/./Lean/Parser/Level.c Init/./Lean/Parser/Module.c Init/./Lean/Parser/Parser.c Init/./Lean/Parser/Syntax.c Init/./Lean/Parser/Tactic.c Init/./Lean/Parser/Term.c Init/./Lean/Parser/Transform.c Init/./Lean/ProjFns.c Init/./Lean/ReducibilityAttrs.c Init/./Lean/Runtime.c Init/./Lean/Scopes.c Init/./Lean/Structure.c Init/./Lean/Syntax.c Init/./Lean/ToExpr.c Init/./Lean/Util/CollectFVars.c Init/./Lean/Util/CollectLevelParams.c Init/./Lean/Util/MonadCache.c Init/./Lean/Util/PPExt.c Init/./Lean/Util/PPGoal.c Init/./Lean/Util/Path.c Init/./Lean/Util/Profile.c Init/./Lean/Util/RecDepth.c Init/./Lean/Util/Sorry.c Init/./Lean/Util/Trace.c Init/./Lean/Util/WHNF.c Init/./LeanInit.c Init/./System.c Init/./System/FilePath.c Init/./System/IO.c Init/./System/IOError.c Init/./System/Platform.c Init/./Util.c Init/./WF.c)
+add_library (stage0 OBJECT Init/./Coe.c Init/./Control.c Init/./Control/Alternative.c Init/./Control/Applicative.c Init/./Control/Conditional.c Init/./Control/EState.c Init/./Control/Except.c Init/./Control/Functor.c Init/./Control/Id.c Init/./Control/Lift.c Init/./Control/Monad.c Init/./Control/MonadFail.c Init/./Control/Option.c Init/./Control/Reader.c Init/./Control/State.c Init/./Core.c Init/./Data.c Init/./Data/Array.c Init/./Data/Array/Basic.c Init/./Data/Array/BinSearch.c Init/./Data/Array/QSort.c Init/./Data/AssocList.c Init/./Data/Basic.c Init/./Data/BinomialHeap.c Init/./Data/BinomialHeap/Basic.c Init/./Data/ByteArray.c Init/./Data/ByteArray/Basic.c Init/./Data/Char.c Init/./Data/Char/Basic.c Init/./Data/DList.c Init/./Data/Fin.c Init/./Data/Fin/Basic.c Init/./Data/HashMap.c Init/./Data/HashMap/Basic.c Init/./Data/HashSet.c Init/./Data/Hashable.c Init/./Data/Int.c Init/./Data/Int/Basic.c Init/./Data/List.c Init/./Data/List/Basic.c Init/./Data/List/BasicAux.c Init/./Data/List/Control.c Init/./Data/List/Instances.c Init/./Data/Nat.c Init/./Data/Nat/Basic.c Init/./Data/Nat/Bitwise.c Init/./Data/Nat/Control.c Init/./Data/Nat/Div.c Init/./Data/Option.c Init/./Data/Option/Basic.c Init/./Data/Option/BasicAux.c Init/./Data/Option/Instances.c Init/./Data/PersistentArray.c Init/./Data/PersistentArray/Basic.c Init/./Data/PersistentHashMap.c Init/./Data/PersistentHashMap/Basic.c Init/./Data/PersistentHashSet.c Init/./Data/Queue.c Init/./Data/Queue/Basic.c Init/./Data/RBMap.c Init/./Data/RBMap/Basic.c Init/./Data/RBMap/BasicAux.c Init/./Data/RBTree.c Init/./Data/RBTree/Basic.c Init/./Data/Random.c Init/./Data/Repr.c Init/./Data/Stack.c Init/./Data/Stack/Basic.c Init/./Data/String.c Init/./Data/String/Basic.c Init/./Data/ToString.c Init/./Data/UInt.c Init/./Default.c Init/./Fix.c Init/./Lean.c Init/./Lean/Attributes.c Init/./Lean/AuxRecursor.c Init/./Lean/Class.c Init/./Lean/Compiler.c Init/./Lean/Compiler/ClosedTermCache.c Init/./Lean/Compiler/ConstFolding.c Init/./Lean/Compiler/ExportAttr.c Init/./Lean/Compiler/ExternAttr.c Init/./Lean/Compiler/IR.c Init/./Lean/Compiler/IR/Basic.c Init/./Lean/Compiler/IR/Borrow.c Init/./Lean/Compiler/IR/Boxing.c Init/./Lean/Compiler/IR/Checker.c Init/./Lean/Compiler/IR/CompilerM.c Init/./Lean/Compiler/IR/CtorLayout.c Init/./Lean/Compiler/IR/ElimDeadBranches.c Init/./Lean/Compiler/IR/ElimDeadVars.c Init/./Lean/Compiler/IR/EmitC.c Init/./Lean/Compiler/IR/EmitUtil.c Init/./Lean/Compiler/IR/ExpandResetReuse.c Init/./Lean/Compiler/IR/Format.c Init/./Lean/Compiler/IR/FreeVars.c Init/./Lean/Compiler/IR/LiveVars.c Init/./Lean/Compiler/IR/NormIds.c Init/./Lean/Compiler/IR/PushProj.c Init/./Lean/Compiler/IR/RC.c Init/./Lean/Compiler/IR/ResetReuse.c Init/./Lean/Compiler/IR/SimpCase.c Init/./Lean/Compiler/IR/UnboxResult.c Init/./Lean/Compiler/ImplementedByAttr.c Init/./Lean/Compiler/InitAttr.c Init/./Lean/Compiler/InlineAttrs.c Init/./Lean/Compiler/NameMangling.c Init/./Lean/Compiler/NeverExtractAttr.c Init/./Lean/Compiler/Specialize.c Init/./Lean/Compiler/Util.c Init/./Lean/Data/Format.c Init/./Lean/Data/KVMap.c Init/./Lean/Data/LBool.c Init/./Lean/Data/LOption.c Init/./Lean/Data/Name.c Init/./Lean/Data/NameGenerator.c Init/./Lean/Data/Occurrences.c Init/./Lean/Data/Options.c Init/./Lean/Data/Position.c Init/./Lean/Data/SMap.c Init/./Lean/Data/Trie.c Init/./Lean/Declaration.c Init/./Lean/Elab.c Init/./Lean/Elab/Alias.c Init/./Lean/Elab/BuiltinNotation.c Init/./Lean/Elab/Command.c Init/./Lean/Elab/DeclModifiers.c Init/./Lean/Elab/Declaration.c Init/./Lean/Elab/Definition.c Init/./Lean/Elab/ElabStrategyAttrs.c Init/./Lean/Elab/Exception.c Init/./Lean/Elab/Frontend.c Init/./Lean/Elab/Import.c Init/./Lean/Elab/Level.c Init/./Lean/Elab/Log.c Init/./Lean/Elab/Quotation.c Init/./Lean/Elab/ResolveName.c Init/./Lean/Elab/Syntax.c Init/./Lean/Elab/SynthesizeSyntheticMVars.c Init/./Lean/Elab/Tactic.c Init/./Lean/Elab/Tactic/Basic.c Init/./Lean/Elab/Term.c Init/./Lean/Elab/TermApp.c Init/./Lean/Elab/TermBinders.c Init/./Lean/Elab/Util.c Init/./Lean/Environment.c Init/./Lean/EqnCompiler.c Init/./Lean/EqnCompiler/MatchPattern.c Init/./Lean/Eval.c Init/./Lean/Expr.c Init/./Lean/HeadIndex.c Init/./Lean/Hygiene.c Init/./Lean/Level.c Init/./Lean/Linter.c Init/./Lean/LocalContext.c Init/./Lean/Message.c Init/./Lean/Meta.c Init/./Lean/Meta/AbstractMVars.c Init/./Lean/Meta/AppBuilder.c Init/./Lean/Meta/Basic.c Init/./Lean/Meta/Check.c Init/./Lean/Meta/DiscrTree.c Init/./Lean/Meta/DiscrTreeTypes.c Init/./Lean/Meta/Exception.c Init/./Lean/Meta/ExprDefEq.c Init/./Lean/Meta/FunInfo.c Init/./Lean/Meta/InferType.c Init/./Lean/Meta/Instances.c Init/./Lean/Meta/KAbstract.c Init/./Lean/Meta/LevelDefEq.c Init/./Lean/Meta/Message.c Init/./Lean/Meta/Offset.c Init/./Lean/Meta/Reduce.c Init/./Lean/Meta/SynthInstance.c Init/./Lean/Meta/Tactic.c Init/./Lean/Meta/Tactic/Assumption.c Init/./Lean/Meta/Tactic/Intro.c Init/./Lean/Meta/Tactic/Util.c Init/./Lean/Meta/WHNF.c Init/./Lean/MetavarContext.c Init/./Lean/Modifiers.c Init/./Lean/Parser.c Init/./Lean/Parser/Command.c Init/./Lean/Parser/Identifier.c Init/./Lean/Parser/Level.c Init/./Lean/Parser/Module.c Init/./Lean/Parser/Parser.c Init/./Lean/Parser/Syntax.c Init/./Lean/Parser/Tactic.c Init/./Lean/Parser/Term.c Init/./Lean/Parser/Transform.c Init/./Lean/ProjFns.c Init/./Lean/ReducibilityAttrs.c Init/./Lean/Runtime.c Init/./Lean/Scopes.c Init/./Lean/Structure.c Init/./Lean/Syntax.c Init/./Lean/ToExpr.c Init/./Lean/Util/CollectFVars.c Init/./Lean/Util/CollectLevelParams.c Init/./Lean/Util/CollectMVars.c Init/./Lean/Util/MonadCache.c Init/./Lean/Util/PPExt.c Init/./Lean/Util/PPGoal.c Init/./Lean/Util/Path.c Init/./Lean/Util/Profile.c Init/./Lean/Util/RecDepth.c Init/./Lean/Util/Sorry.c Init/./Lean/Util/Trace.c Init/./Lean/Util/WHNF.c Init/./LeanInit.c Init/./System.c Init/./System/FilePath.c Init/./System/IO.c Init/./System/IOError.c Init/./System/Platform.c Init/./Util.c Init/./WF.c)
diff --git a/stage0/stdlib/Init/Lean/Elab/Command.c b/stage0/stdlib/Init/Lean/Elab/Command.c
index 3cd6e6b671..271a0c1bc0 100644
--- a/stage0/stdlib/Init/Lean/Elab/Command.c
+++ b/stage0/stdlib/Init/Lean/Elab/Command.c
@@ -149,6 +149,7 @@ size_t l_USize_shiftRight(size_t, size_t);
 lean_object* l_Lean_SMap_find_x3f___at_Lean_Elab_Command_elabCommand___main___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_getPos___at_Lean_Elab_Command_throwError___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_Exception_inhabited___closed__1;
+extern lean_object* l_Lean_FileMap_ofString___closed__1;
 lean_object* l_Lean_Elab_Command_Scope_inhabited;
 extern lean_object* l_Lean_Parser_Command_section___elambda__1___closed__1;
 extern lean_object* l_Lean_Meta_MetaHasEval___rarg___closed__4;
@@ -463,7 +464,6 @@ lean_object* l___regBuiltinCommandElab_Lean_Elab_Command_elabUniverse___closed__
 extern lean_object* l_Lean_Parser_Command_universes___elambda__1___closed__2;
 lean_object* l_Lean_Elab_Command_elabEnd___closed__3;
 lean_object* lean_io_ref_set(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_mkOptionalNode___closed__1;
 lean_object* l___regBuiltinCommandElab_Lean_Elab_Command_elabCheck___closed__4;
 lean_object* l___private_Init_Lean_Elab_Command_6__mkTermContext___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_getLevelNames(lean_object*, lean_object*);
@@ -14518,7 +14518,7 @@ lean_object* l_Lean_Elab_Command_elabVariable___lambda__1(lean_object* x_1, lean
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_5 = l_Lean_mkOptionalNode___closed__1;
+x_5 = l_Lean_FileMap_ofString___closed__1;
 x_6 = lean_array_push(x_5, x_1);
 x_7 = l_Lean_Meta_dbgTrace___rarg___closed__1;
 x_8 = l_Lean_Elab_Term_elabBinders___rarg(x_6, x_7, x_3, x_4);
diff --git a/stage0/stdlib/Init/Lean/Elab/Syntax.c b/stage0/stdlib/Init/Lean/Elab/Syntax.c
index 9661b964aa..5080e5b62a 100644
--- a/stage0/stdlib/Init/Lean/Elab/Syntax.c
+++ b/stage0/stdlib/Init/Lean/Elab/Syntax.c
@@ -121,6 +121,7 @@ lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__98;
 lean_object* lean_string_utf8_byte_size(lean_object*);
 lean_object* l_Lean_mkAtom(lean_object*);
 lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__20;
+extern lean_object* l_Lean_FileMap_ofString___closed__1;
 lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__10;
 lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__32;
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Command_elabNotation___spec__3(lean_object*, lean_object*);
@@ -411,7 +412,6 @@ lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__17;
 lean_object* l_Lean_Elab_Command_elabSyntax___closed__23;
 lean_object* l_Lean_Elab_Command_elabMacroRules___lambda__1___closed__12;
 lean_object* l___private_Init_Lean_Elab_Syntax_3__getMode___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_mkOptionalNode___closed__1;
 lean_object* l_Array_findIdxAux___main___at___private_Init_Lean_Elab_Syntax_8__antiquote___main___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_elabSyntax___closed__13;
 lean_object* l_Lean_Elab_Term_toParserDescrAux___main___closed__57;
@@ -949,7 +949,7 @@ x_4 = l_Nat_repr(x_3);
 x_5 = lean_box(0);
 x_6 = l_Lean_numLitKind;
 x_7 = l_Lean_mkStxLit(x_6, x_4, x_5);
-x_8 = l_Lean_mkOptionalNode___closed__1;
+x_8 = l_Lean_FileMap_ofString___closed__1;
 x_9 = lean_array_push(x_8, x_7);
 x_10 = l_Lean_Parser_Term_num___elambda__1___closed__1;
 x_11 = lean_alloc_ctor(1, 2, 0);
@@ -3654,7 +3654,7 @@ lean_ctor_set(x_1067, 0, x_1066);
 lean_ctor_set(x_1067, 1, x_1065);
 x_1068 = lean_array_push(x_1062, x_1067);
 x_1069 = l_Lean_mkStxStrLit(x_1049, x_1056);
-x_1070 = l_Lean_mkOptionalNode___closed__1;
+x_1070 = l_Lean_FileMap_ofString___closed__1;
 x_1071 = lean_array_push(x_1070, x_1069);
 x_1072 = l_Lean_Parser_Term_str___elambda__1___closed__2;
 x_1073 = lean_alloc_ctor(1, 2, 0);
@@ -3707,7 +3707,7 @@ lean_ctor_set(x_1097, 0, x_1096);
 lean_ctor_set(x_1097, 1, x_1095);
 x_1098 = lean_array_push(x_1092, x_1097);
 x_1099 = l_Lean_mkStxStrLit(x_1049, x_1086);
-x_1100 = l_Lean_mkOptionalNode___closed__1;
+x_1100 = l_Lean_FileMap_ofString___closed__1;
 x_1101 = lean_array_push(x_1100, x_1099);
 x_1102 = l_Lean_Parser_Term_str___elambda__1___closed__2;
 x_1103 = lean_alloc_ctor(1, 2, 0);
@@ -4067,7 +4067,7 @@ x_1151 = lean_array_push(x_1143, x_1150);
 x_1152 = l_Nat_repr(x_1133);
 x_1153 = l_Lean_numLitKind;
 x_1154 = l_Lean_mkStxLit(x_1153, x_1152, x_1137);
-x_1155 = l_Lean_mkOptionalNode___closed__1;
+x_1155 = l_Lean_FileMap_ofString___closed__1;
 x_1156 = lean_array_push(x_1155, x_1154);
 x_1157 = l_Lean_Parser_Term_num___elambda__1___closed__1;
 x_1158 = lean_alloc_ctor(1, 2, 0);
@@ -4125,7 +4125,7 @@ x_1182 = lean_array_push(x_1174, x_1181);
 x_1183 = l_Nat_repr(x_1133);
 x_1184 = l_Lean_numLitKind;
 x_1185 = l_Lean_mkStxLit(x_1184, x_1183, x_1168);
-x_1186 = l_Lean_mkOptionalNode___closed__1;
+x_1186 = l_Lean_FileMap_ofString___closed__1;
 x_1187 = lean_array_push(x_1186, x_1185);
 x_1188 = l_Lean_Parser_Term_num___elambda__1___closed__1;
 x_1189 = lean_alloc_ctor(1, 2, 0);
@@ -11437,7 +11437,7 @@ lean_inc(x_22);
 x_23 = lean_ctor_get(x_21, 1);
 lean_inc(x_23);
 lean_dec(x_21);
-x_24 = l_Lean_mkOptionalNode___closed__1;
+x_24 = l_Lean_FileMap_ofString___closed__1;
 x_25 = lean_array_push(x_24, x_18);
 x_26 = l_Array_iterateMAux___main___at_Array_append___spec__1___rarg(x_22, x_22, x_20, x_25);
 lean_dec(x_22);
diff --git a/stage0/stdlib/Init/Lean/Elab/Tactic.c b/stage0/stdlib/Init/Lean/Elab/Tactic.c
index d79984de5e..b117b95e69 100644
--- a/stage0/stdlib/Init/Lean/Elab/Tactic.c
+++ b/stage0/stdlib/Init/Lean/Elab/Tactic.c
@@ -20,28 +20,23 @@ lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabTacticBlock(lean_object*)
 lean_object* l_Lean_Elab_Term_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshExprMVar(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_liftTacticElabM___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_MessageData_ofList___closed__3;
 lean_object* l_Lean_Elab_Term_runTactic___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_ensureAssignmentHasNoMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l_Lean_Elab_Term_liftTacticElabM___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTactic(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_tacticBlock___elambda__1___closed__2;
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__3;
 lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabTacticBlock___closed__3;
 lean_object* l_Lean_Syntax_getTailWithInfo___main(lean_object*);
 lean_object* l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__3;
 lean_object* l_ReaderT_bind___at_Lean_Elab_Tactic_monadLog___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(lean_object*);
 lean_object* l_Lean_Elab_Term_elabTacticBlock___closed__1;
+lean_object* l_Lean_Elab_Tactic_getUnsolvedGoals(lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_throwError___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTacticBlock___closed__2;
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__1;
 lean_object* l_Lean_Elab_Term_liftTacticElabM(lean_object*);
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__4;
 lean_object* l_Lean_Elab_Term_withMVarContext___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_MessageData_joinSep___main(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic___closed__1;
 lean_object* l_Lean_Elab_Term_elabTacticBlock___closed__3;
@@ -59,9 +54,7 @@ lean_object* l_Lean_Elab_Term_elabTacticBlock(lean_object*, lean_object*, lean_o
 uint8_t l_List_isEmpty___rarg(lean_object*);
 lean_object* l_Lean_Elab_Term_mkTacticMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkTacticMVar___closed__1;
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__2;
 lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabTacticBlock___closed__1;
 lean_object* l_Lean_Elab_Term_ensureAssignmentHasNoMVars(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* _init_l_Lean_Elab_Term_mkTacticMVar___closed__1() {
@@ -88,7 +81,7 @@ _start:
 lean_object* x_6; uint8_t 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; uint8_t x_15; 
 x_6 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_6, 0, x_2);
-x_7 = 1;
+x_7 = 2;
 x_8 = l_Lean_Elab_Term_mkTacticMVar___closed__2;
 lean_inc(x_4);
 x_9 = l_Lean_Elab_Term_mkFreshExprMVar(x_1, x_6, x_7, x_8, x_4, x_5);
@@ -562,115 +555,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_liftTacticElabM___rarg), 5, 0)
 return x_2;
 }
 }
-lean_object* l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(lean_object* x_1) {
-_start:
-{
-if (lean_obj_tag(x_1) == 0)
-{
-lean_object* x_2; 
-x_2 = lean_box(0);
-return x_2;
-}
-else
-{
-uint8_t x_3; 
-x_3 = !lean_is_exclusive(x_1);
-if (x_3 == 0)
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_4 = lean_ctor_get(x_1, 0);
-x_5 = lean_ctor_get(x_1, 1);
-x_6 = lean_alloc_ctor(5, 1, 0);
-lean_ctor_set(x_6, 0, x_4);
-x_7 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_5);
-lean_ctor_set(x_1, 1, x_7);
-lean_ctor_set(x_1, 0, x_6);
-return x_1;
-}
-else
-{
-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_1, 0);
-x_9 = lean_ctor_get(x_1, 1);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_dec(x_1);
-x_10 = lean_alloc_ctor(5, 1, 0);
-lean_ctor_set(x_10, 0, x_8);
-x_11 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_9);
-x_12 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_12, 0, x_10);
-lean_ctor_set(x_12, 1, x_11);
-return x_12;
-}
-}
-}
-}
-lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("unsolved goals");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__1;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__2;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__3;
-x_2 = l_Lean_MessageData_ofList___closed__3;
-x_3 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals(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; lean_object* x_10; 
-x_5 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_2);
-x_6 = l_Lean_MessageData_ofList___closed__3;
-x_7 = l_Lean_MessageData_joinSep___main(x_5, x_6);
-lean_dec(x_5);
-x_8 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__4;
-x_9 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_9, 0, x_8);
-lean_ctor_set(x_9, 1, x_7);
-x_10 = l_Lean_Elab_Term_throwError___rarg(x_1, x_9, x_3, x_4);
-return x_10;
-}
-}
-lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___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_Lean_Elab_Term_reportUnsolvedGoals(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
 lean_object* _init_l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__1() {
 _start:
 {
@@ -785,13 +669,9 @@ return x_5;
 lean_object* l_Lean_Elab_Term_runTactic___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; 
-x_4 = lean_ctor_get(x_3, 1);
-lean_inc(x_4);
-x_5 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_5, 0, x_4);
-lean_ctor_set(x_5, 1, x_3);
-return x_5;
+lean_object* x_4; 
+x_4 = l_Lean_Elab_Tactic_getUnsolvedGoals(x_2, x_3);
+return x_4;
 }
 }
 lean_object* _init_l_Lean_Elab_Term_runTactic___closed__1() {
@@ -847,7 +727,6 @@ if (x_18 == 0)
 lean_object* x_19; uint8_t x_20; 
 lean_dec(x_2);
 x_19 = l_Lean_Elab_Term_reportUnsolvedGoals(x_1, x_15, x_4, x_16);
-lean_dec(x_1);
 x_20 = !lean_is_exclusive(x_19);
 if (x_20 == 0)
 {
@@ -887,7 +766,6 @@ x_25 = lean_ctor_get(x_17, 0);
 lean_inc(x_25);
 lean_dec(x_17);
 x_26 = l_Lean_Elab_Term_reportUnsolvedGoals(x_25, x_15, x_4, x_16);
-lean_dec(x_25);
 x_27 = !lean_is_exclusive(x_26);
 if (x_27 == 0)
 {
@@ -1000,7 +878,6 @@ if (x_52 == 0)
 lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
 lean_dec(x_2);
 x_53 = l_Lean_Elab_Term_reportUnsolvedGoals(x_1, x_49, x_4, x_50);
-lean_dec(x_1);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -1042,7 +919,6 @@ x_59 = lean_ctor_get(x_51, 0);
 lean_inc(x_59);
 lean_dec(x_51);
 x_60 = l_Lean_Elab_Term_reportUnsolvedGoals(x_59, x_49, x_4, x_50);
-lean_dec(x_59);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
@@ -1194,7 +1070,6 @@ if (x_94 == 0)
 lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
 lean_dec(x_2);
 x_95 = l_Lean_Elab_Term_reportUnsolvedGoals(x_1, x_91, x_4, x_92);
-lean_dec(x_1);
 x_96 = lean_ctor_get(x_95, 0);
 lean_inc(x_96);
 x_97 = lean_ctor_get(x_95, 1);
@@ -1236,7 +1111,6 @@ x_101 = lean_ctor_get(x_93, 0);
 lean_inc(x_101);
 lean_dec(x_93);
 x_102 = l_Lean_Elab_Term_reportUnsolvedGoals(x_101, x_91, x_4, x_92);
-lean_dec(x_101);
 x_103 = lean_ctor_get(x_102, 0);
 lean_inc(x_103);
 x_104 = lean_ctor_get(x_102, 1);
@@ -1306,7 +1180,6 @@ _start:
 {
 lean_object* x_4; 
 x_4 = l_Lean_Elab_Term_runTactic___lambda__1(x_1, x_2, x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 return x_4;
 }
@@ -1343,14 +1216,6 @@ lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_Term_elabTacticBlock___clo
 res = l___regBuiltinTermElab_Lean_Elab_Term_elabTacticBlock(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Term_reportUnsolvedGoals___closed__1 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__1);
-l_Lean_Elab_Term_reportUnsolvedGoals___closed__2 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__2);
-l_Lean_Elab_Term_reportUnsolvedGoals___closed__3 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__3);
-l_Lean_Elab_Term_reportUnsolvedGoals___closed__4 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__4);
 l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__1 = _init_l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__1);
 l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__2 = _init_l_Lean_Elab_Term_ensureAssignmentHasNoMVars___closed__2();
diff --git a/stage0/stdlib/Init/Lean/Elab/Tactic/Basic.c b/stage0/stdlib/Init/Lean/Elab/Tactic/Basic.c
index 2ee1ae2668..0c31ef06ce 100644
--- a/stage0/stdlib/Init/Lean/Elab/Tactic/Basic.c
+++ b/stage0/stdlib/Init/Lean/Elab/Tactic/Basic.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Init.Lean.Elab.Tactic.Basic
-// Imports: Init.Lean.Elab.Util Init.Lean.Elab.Term Init.Lean.Meta.Tactic.Assumption Init.Lean.Meta.Tactic.Intro
+// Imports: Init.Lean.Util.CollectMVars Init.Lean.Elab.Util Init.Lean.Elab.Term Init.Lean.Meta.Tactic.Assumption Init.Lean.Meta.Tactic.Intro
 #include "runtime/lean.h"
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -13,12 +13,13 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+lean_object* l_List_reverse___rarg(lean_object*);
 lean_object* l_Lean_SMap_find_x3f___at_Lean_Elab_Tactic_evalTactic___main___spec__1(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses___closed__1;
 lean_object* l_Lean_Elab_Tactic_withIncRecDepth___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalIntro(lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog;
-extern lean_object* l_Lean_Name_toString___closed__1;
+extern lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___elambda__1___closed__1;
 lean_object* l___private_Init_Lean_Elab_Tactic_Basic_1__evalTacticUsing___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getLocalInsts___boxed(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_declareLeadingBuiltinParser___closed__1;
@@ -35,25 +36,32 @@ lean_object* l_Lean_Elab_Tactic_monadQuotation;
 lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr(lean_object*);
 extern lean_object* l_Lean_nullKind;
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4;
 extern lean_object* l_Lean_Elab_Term_elabTermAux___main___closed__6;
 lean_object* l_Lean_Elab_Tactic_mkTacticAttribute(lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMCtx___rarg(lean_object*);
 extern lean_object* l_Lean_MessageData_ofList___closed__3;
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Lean_Elab_Term_assignExprMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_pruneSolvedGoals(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__2;
 lean_object* l_Lean_Elab_Tactic_evalIntro___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_Elab_Tactic_evalTactic___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getEnv(lean_object*);
 extern size_t l_PersistentHashMap_insertAux___main___rarg___closed__2;
+lean_object* l_Lean_Elab_Tactic_reportUnsolvedGoals(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_trace(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Elab_Tactic_Basic_1__evalTacticUsing(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_focus(lean_object*);
 lean_object* l_Lean_Elab_Tactic_getLCtx___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadQuotation___closed__2;
 extern uint8_t l___private_Init_Lean_Elab_Term_4__isCDot___closed__1;
 lean_object* l_Lean_Elab_Tactic_evalIntro___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1;
 lean_object* l_Lean_Elab_Tactic_liftMetaM___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_done(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_filterAuxM___main___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_empty___closed__1;
 lean_object* l_HashMapImp_find_x3f___at_Lean_Elab_Tactic_evalTactic___main___spec__5___boxed(lean_object*, lean_object*);
 lean_object* lean_environment_find(lean_object*, lean_object*);
@@ -61,6 +69,7 @@ lean_object* l_Lean_Elab_Tactic_resettingSynthInstanceCacheWhen(lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadQuotation___closed__1;
 lean_object* lean_dbg_trace(lean_object*, lean_object*);
 lean_object* lean_io_mk_ref(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_restore(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_ElabFnTable_insert___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_append___rarg(lean_object*, lean_object*);
@@ -68,6 +77,7 @@ uint8_t lean_name_eq(lean_object*, lean_object*);
 lean_object* lean_io_ref_get(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTactic(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses(lean_object*);
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__5;
 uint8_t l_PersistentHashMap_containsAtAux___main___at_Lean_Parser_mkFreshKindAux___main___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_resettingSynthInstanceCacheWhen___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalIntro(lean_object*, lean_object*, lean_object*);
@@ -76,6 +86,7 @@ lean_object* l_PersistentHashMap_findAux___main___at_Lean_Elab_Tactic_evalTactic
 lean_object* l_Lean_Meta_assumption___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
+lean_object* l_Lean_Elab_Tactic_setGoals___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_SMap_contains___at_Lean_Elab_Tactic_addBuiltinTactic___spec__1(lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMCtx___boxed(lean_object*);
@@ -85,15 +96,20 @@ lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___closed__2;
 extern lean_object* l_String_splitAux___main___closed__1;
 lean_object* l_Lean_Elab_Term_logTrace___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_withFreshMacroScope(lean_object*);
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__3;
 extern lean_object* l_Lean_Meta_isLevelDefEqAux___main___closed__5;
 lean_object* l_AssocList_find___main___at_Lean_Elab_Tactic_evalTactic___main___spec__6___boxed(lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2;
 size_t l_USize_shiftRight(size_t, size_t);
 lean_object* l_Lean_Elab_Tactic_resettingSynthInstanceCacheWhen___rarg(uint8_t, lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentHashMap_containsAux___main___at_Lean_Elab_Tactic_addBuiltinTactic___spec__5(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getLocalInsts(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__10;
+lean_object* l_Lean_Elab_Tactic_evalRefine(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_mkTacticAttribute___closed__1;
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___closed__4;
+lean_object* l_Lean_Elab_Tactic_restore___boxed(lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1;
 extern lean_object* l_Lean_LocalContext_Inhabited___closed__1;
 extern lean_object* l___private_Init_Lean_Elab_Util_8__regTraceClasses___closed__2;
 lean_object* l_Lean_Elab_Term_trace___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -102,6 +118,7 @@ lean_object* l_Lean_Elab_Tactic_tacticElabAttribute___closed__2;
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalExact(lean_object*);
 extern lean_object* l_Lean_AttributeImpl_inhabited___closed__2;
 lean_object* lean_nat_add(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_collectMVars___closed__1;
 lean_object* l_IO_ofExcept___at_Lean_registerClassAttr___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___closed__1;
 lean_object* l_Lean_Elab_Tactic_getMainGoal___closed__2;
@@ -110,6 +127,7 @@ extern lean_object* l_Lean_Parser_Tactic_intro___elambda__1___closed__1;
 extern lean_object* l_Lean_PersistentEnvExtension_inhabited___rarg___closed__1;
 lean_object* l_Lean_Meta_intro(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_Exception_toMessageData___closed__45;
+lean_object* l_Lean_Syntax_getTailWithInfo___main(lean_object*);
 lean_object* l_Array_isEqvAux___main___at_Lean_Elab_Tactic_withMVarContext___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic___closed__7;
 extern lean_object* l_Lean_Meta_dbgTrace___rarg___closed__1;
@@ -120,21 +138,28 @@ lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic___closed__5;
 extern lean_object* l_Lean_Elab_Term_declareBuiltinTermElab___closed__3;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3;
 extern lean_object* l_Lean_Elab_Term_termElabAttribute___closed__4;
 lean_object* l_Lean_Elab_Term_addContext___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_bind___at_Lean_Elab_Tactic_monadLog___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_EnvExtension_Inhabited___rarg___closed__1;
 lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic___closed__3;
+lean_object* l_Lean_Elab_Tactic_focus___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__5;
+lean_object* l_Lean_Elab_Term_isExprMVarAssigned___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append___main(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAux___main___at_Lean_Elab_Tactic_evalTactic___main___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_dbgTrace___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_addContext(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalSeq___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_EStateM_Backtrackable;
+lean_object* l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(lean_object*);
 lean_object* l_PersistentHashMap_contains___at_Lean_Elab_Tactic_addBuiltinTactic___spec__4___boxed(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3;
 lean_object* l_Lean_Elab_Tactic_liftTermElabM(lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalAssumption___closed__4;
+lean_object* l_Lean_Elab_Tactic_getUnsolvedGoals(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalExact___closed__1;
 lean_object* l_Lean_Elab_Tactic_getGoals___rarg(lean_object*);
 lean_object* l_PersistentHashMap_find_x3f___at_Lean_Elab_Tactic_evalTactic___main___spec__2___boxed(lean_object*, lean_object*);
@@ -148,6 +173,7 @@ extern lean_object* l_Lean_Elab_Term_State_inhabited___closed__2;
 extern lean_object* l_Char_HasRepr___closed__1;
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalAssumption___closed__1;
 extern lean_object* l_Lean_Parser_Tactic_exact___elambda__1___closed__1;
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine(lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMVarDecl___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_resetSynthInstanceCache(lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_containsAux___main___at_Lean_Elab_Tactic_addBuiltinTactic___spec__5___boxed(lean_object*, lean_object*, lean_object*);
@@ -157,8 +183,10 @@ lean_object* l_Lean_Syntax_prettyPrint(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_builtinTacticTable;
 lean_object* l_Lean_Elab_Tactic_tacticElabAttribute___closed__4;
+lean_object* l_Lean_Elab_Term_throwError___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___lambda__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_State_inhabited___closed__1;
+lean_object* l_Lean_collectMVars(lean_object*, lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalSeq___closed__2;
 lean_object* l_Lean_Elab_Tactic_monadLog___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_throwUnsupportedSyntax___boxed(lean_object*, lean_object*);
@@ -171,21 +199,28 @@ lean_object* l_Lean_Elab_Tactic_withLCtx___rarg(lean_object*, lean_object*, lean
 uint8_t l_coeDecidableEq(uint8_t);
 lean_object* l_ReaderT_read___at_Lean_Elab_Tactic_monadLog___spec__1(lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly(lean_object*);
 lean_object* l_Lean_Elab_Tactic_tacticElabAttribute___closed__1;
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__3;
 lean_object* l_Lean_registerBuiltinAttribute(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__1;
 lean_object* l_Lean_Elab_Term_ensureHasType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_mkElabAttribute___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_save___boxed(lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___closed__5;
 lean_object* l_mkHashMapImp___rarg(lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalIntro___closed__3;
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__1;
 lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic___closed__6;
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__4;
 extern lean_object* l_Lean_PersistentEnvExtension_inhabited___rarg___closed__3;
 lean_object* l_Lean_Elab_Tactic_liftMetaM(lean_object*);
+lean_object* l_Lean_Elab_Tactic_evalNestedTacticBlock(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 extern lean_object* l_Lean_Parser_Term_seq___elambda__1___closed__1;
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
+lean_object* l_Lean_MessageData_joinSep___main(lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4;
 lean_object* l_Lean_Elab_Tactic_State_inhabited;
 lean_object* l_HashMapImp_find_x3f___at_Lean_Elab_Tactic_evalTactic___main___spec__5(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalExact___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -200,11 +235,14 @@ lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___closed__3;
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__5;
 lean_object* l_Lean_Elab_Tactic_evalExact___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_traceAtCmdPos___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_evalRefine___closed__1;
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_throwUnsupportedSyntax(lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__1;
 lean_object* l_Lean_Elab_Tactic_withLCtx(lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1;
 lean_object* l_Lean_Elab_Term_liftMetaM___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_evalRefine___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTactic___main___closed__4;
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__4;
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalExact___closed__1;
@@ -214,6 +252,7 @@ lean_object* l_Lean_Elab_Tactic_declareBuiltinTactic___closed__4;
 extern lean_object* l_Lean_Elab_Exception_inhabited;
 lean_object* l_Lean_Elab_Tactic_liftTermElabM___rarg___closed__1;
 lean_object* l_Lean_Elab_Tactic_evalAssumption___closed__1;
+lean_object* l_Lean_Elab_Tactic_isExprMVarAssigned(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_assumptionAux___closed__1;
 lean_object* l_Lean_Elab_Tactic_liftMetaTactic(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTactic___main___closed__1;
@@ -221,6 +260,7 @@ lean_object* l_Lean_Elab_Tactic_evalTactic___main___lambda__1___boxed(lean_objec
 lean_object* l_PersistentHashMap_empty___at_Lean_Elab_Tactic_mkBuiltinTacticTable___spec__3;
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalExact___closed__2;
 lean_object* l_Lean_Elab_Tactic_ensureHasNoMVars___closed__2;
+lean_object* l_Lean_Elab_Tactic_evalNestedTacticBlockCurly(lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_bind___at_Lean_Elab_Tactic_monadLog___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_liftMetaTactic___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTactic___main(lean_object*, lean_object*, lean_object*);
@@ -233,11 +273,15 @@ lean_object* l_Lean_Elab_Tactic_monadLog___closed__6;
 lean_object* l_Lean_Elab_Tactic_evalSeq(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Environment_addAndCompile(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3;
 lean_object* l_Lean_Elab_Tactic_ensureHasNoMVars___closed__1;
 lean_object* l_Lean_Elab_Tactic_resettingSynthInstanceCache(lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalIntro___closed__1;
+lean_object* l_Lean_Elab_Tactic_evalRefine___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalAssumption(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_save(lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__2;
+lean_object* l_Lean_Elab_Tactic_setGoals(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_addBuiltinTactic(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getOptions___boxed(lean_object*, lean_object*);
@@ -257,6 +301,7 @@ lean_object* l_Lean_Elab_Tactic_addBuiltinTactic___closed__1;
 lean_object* l_Lean_Elab_Tactic_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_ensureHasNoMVars(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instantiateMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1;
 lean_object* l_Lean_Elab_Tactic_elabTerm(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_SMap_empty___at_Lean_Elab_Tactic_mkBuiltinTacticTable___spec__1___closed__2;
 lean_object* lean_io_ref_set(lean_object*, lean_object*, lean_object*);
@@ -266,9 +311,12 @@ lean_object* l_Lean_Elab_Tactic_tacticElabAttribute___closed__5;
 lean_object* l_Lean_Elab_Tactic_getEnv___rarg(lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalSeq___closed__3;
 lean_object* l_Lean_Meta_intro1(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2;
+lean_object* l_Array_toList___rarg(lean_object*);
 lean_object* l_Lean_Elab_Tactic_ensureHasType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_withMacroExpansion___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_AssocList_find___main___at_Lean_Elab_Tactic_evalTactic___main___spec__6(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___lambda__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
@@ -276,6 +324,7 @@ uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 lean_object* l_Lean_PersistentEnvExtension_getState___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_tacticElabAttribute___closed__3;
 lean_object* l_Lean_Elab_Tactic_evalIntro___lambda__2(lean_object*, lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock(lean_object*);
 lean_object* l_HashMapImp_contains___at_Lean_Elab_Tactic_addBuiltinTactic___spec__2___boxed(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_regBuiltinTacticParserAttr___closed__3;
 extern lean_object* l___private_Init_Lean_Parser_Parser_8__throwParserCategoryAlreadyDefined___rarg___closed__2;
@@ -290,6 +339,7 @@ lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalIntro___closed__2;
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__11;
 lean_object* l_Lean_SMap_contains___at_Lean_Elab_Tactic_addBuiltinTactic___spec__1___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_collectMVars(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalInstance_beq(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalIntro___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_withMVarContext(lean_object*);
@@ -297,18 +347,24 @@ lean_object* l_Lean_Elab_Tactic_withMacroExpansion(lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 uint8_t l_HashMapImp_contains___at_Lean_Elab_Tactic_addBuiltinTactic___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_resetSynthInstanceCache___boxed(lean_object*);
+extern lean_object* l_System_FilePath_dirName___closed__1;
 lean_object* l_Lean_Elab_Tactic_monadLog___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_regBuiltinTacticParserAttr___closed__4;
+uint8_t l_List_isEmpty___rarg(lean_object*);
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalAssumption___closed__3;
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_dbgTrace(lean_object*);
 lean_object* l_Lean_Name_toStringWithSep___main(lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Elab_Util_8__regTraceClasses___closed__1;
 lean_object* l_Lean_Elab_Tactic_monadLog___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3;
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2;
 lean_object* lean_usize_to_nat(size_t);
 lean_object* l_Lean_Elab_Tactic_getCurrMacroScope(lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Tactic_updateGoals(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Parser_Tactic_refine___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Tactic_resettingSynthInstanceCache___rarg(lean_object*, lean_object*, lean_object*);
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2;
+extern lean_object* l_HashMap_Inhabited___closed__1;
 lean_object* l_Lean_Elab_Tactic_throwUnsupportedSyntax___rarg___closed__1;
 lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalExact___closed__3;
 lean_object* l_Lean_indentExpr(lean_object*);
@@ -317,8 +373,10 @@ lean_object* l_IO_ofExcept___at___private_Init_Lean_Elab_Util_6__ElabAttribute_a
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getCurrMacroScope___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getGoals(lean_object*);
+extern lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Tactic_evalExact(lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Elab_Term_8__elabTermUsing___main___closed__3;
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__2;
 extern lean_object* l_Lean_PersistentEnvExtension_inhabited___rarg___closed__4;
 lean_object* l_Lean_Elab_Tactic_traceAtCmdPos(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_initAttr;
@@ -330,7 +388,6 @@ lean_object* l_AssocList_contains___main___at_Lean_Elab_Tactic_addBuiltinTactic_
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__4;
 lean_object* l_Lean_Elab_Tactic_getMCtx(lean_object*);
 lean_object* l_Lean_Elab_Tactic_throwError___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Tactic_updateGoals___boxed(lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Parser_Parser_18__BuiltinParserAttribute_add___closed__2;
 lean_object* l_mkHashMap___at_Lean_Elab_Tactic_mkBuiltinTacticTable___spec__2(lean_object*);
 lean_object* l_Lean_Elab_Tactic_monadLog___closed__9;
@@ -338,6 +395,135 @@ uint8_t lean_string_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandMacro(lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_withIncRecDepth(lean_object*);
+lean_object* l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(lean_object* x_1) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+lean_object* x_2; 
+x_2 = lean_box(0);
+return x_2;
+}
+else
+{
+uint8_t x_3; 
+x_3 = !lean_is_exclusive(x_1);
+if (x_3 == 0)
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_4 = lean_ctor_get(x_1, 0);
+x_5 = lean_ctor_get(x_1, 1);
+x_6 = lean_alloc_ctor(5, 1, 0);
+lean_ctor_set(x_6, 0, x_4);
+x_7 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_5);
+lean_ctor_set(x_1, 1, x_7);
+lean_ctor_set(x_1, 0, x_6);
+return x_1;
+}
+else
+{
+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_1, 0);
+x_9 = lean_ctor_get(x_1, 1);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_dec(x_1);
+x_10 = lean_alloc_ctor(5, 1, 0);
+lean_ctor_set(x_10, 0, x_8);
+x_11 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_9);
+x_12 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_12, 0, x_10);
+lean_ctor_set(x_12, 1, x_11);
+return x_12;
+}
+}
+}
+}
+lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("unsolved goals");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__3;
+x_2 = l_Lean_MessageData_ofList___closed__3;
+x_3 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_MessageData_ofList___closed__3;
+x_2 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_2, 0, x_1);
+lean_ctor_set(x_2, 1, x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Elab_Term_reportUnsolvedGoals(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; lean_object* x_10; 
+lean_inc(x_1);
+x_5 = l_Lean_Syntax_getTailWithInfo___main(x_1);
+x_6 = l_List_map___main___at_Lean_Elab_Term_reportUnsolvedGoals___spec__1(x_2);
+x_7 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__5;
+x_8 = l_Lean_MessageData_joinSep___main(x_6, x_7);
+lean_dec(x_6);
+x_9 = l_Lean_Elab_Term_reportUnsolvedGoals___closed__4;
+x_10 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_10, 1, x_8);
+if (lean_obj_tag(x_5) == 0)
+{
+lean_object* x_11; 
+x_11 = l_Lean_Elab_Term_throwError___rarg(x_1, x_10, x_3, x_4);
+lean_dec(x_1);
+return x_11;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; 
+lean_dec(x_1);
+x_12 = lean_ctor_get(x_5, 0);
+lean_inc(x_12);
+lean_dec(x_5);
+x_13 = l_Lean_Elab_Term_throwError___rarg(x_12, x_10, x_3, x_4);
+lean_dec(x_12);
+return x_13;
+}
+}
+}
 lean_object* _init_l_Lean_Elab_Tactic_State_inhabited___closed__1() {
 _start:
 {
@@ -358,6 +544,209 @@ x_1 = l_Lean_Elab_Tactic_State_inhabited___closed__1;
 return x_1;
 }
 }
+lean_object* l_Lean_Elab_Tactic_save(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; 
+x_2 = lean_ctor_get(x_1, 0);
+x_3 = lean_ctor_get(x_2, 0);
+x_4 = lean_ctor_get(x_3, 0);
+x_5 = lean_ctor_get(x_3, 1);
+x_6 = lean_ctor_get(x_1, 1);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_7 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_7, 0, x_4);
+lean_ctor_set(x_7, 1, x_5);
+lean_ctor_set(x_7, 2, x_6);
+return x_7;
+}
+}
+lean_object* l_Lean_Elab_Tactic_save___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Elab_Tactic_save(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Elab_Tactic_restore(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; uint8_t x_5; 
+x_3 = lean_ctor_get(x_1, 0);
+lean_inc(x_3);
+lean_dec(x_1);
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+x_5 = !lean_is_exclusive(x_3);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_6 = lean_ctor_get(x_2, 0);
+x_7 = lean_ctor_get(x_2, 1);
+x_8 = lean_ctor_get(x_2, 2);
+x_9 = lean_ctor_get(x_3, 0);
+lean_dec(x_9);
+x_10 = !lean_is_exclusive(x_4);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = lean_ctor_get(x_4, 1);
+lean_dec(x_11);
+x_12 = lean_ctor_get(x_4, 0);
+lean_dec(x_12);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_ctor_set(x_4, 1, x_7);
+lean_ctor_set(x_4, 0, x_6);
+lean_inc(x_8);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_3);
+lean_ctor_set(x_13, 1, x_8);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_14 = lean_ctor_get(x_4, 2);
+x_15 = lean_ctor_get(x_4, 3);
+x_16 = lean_ctor_get(x_4, 4);
+x_17 = lean_ctor_get(x_4, 5);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_4);
+lean_inc(x_7);
+lean_inc(x_6);
+x_18 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_18, 0, x_6);
+lean_ctor_set(x_18, 1, x_7);
+lean_ctor_set(x_18, 2, x_14);
+lean_ctor_set(x_18, 3, x_15);
+lean_ctor_set(x_18, 4, x_16);
+lean_ctor_set(x_18, 5, x_17);
+lean_ctor_set(x_3, 0, x_18);
+lean_inc(x_8);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_3);
+lean_ctor_set(x_19, 1, x_8);
+return x_19;
+}
+}
+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; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_20 = lean_ctor_get(x_2, 0);
+x_21 = lean_ctor_get(x_2, 1);
+x_22 = lean_ctor_get(x_2, 2);
+x_23 = lean_ctor_get(x_3, 1);
+x_24 = lean_ctor_get(x_3, 2);
+x_25 = lean_ctor_get(x_3, 3);
+x_26 = lean_ctor_get(x_3, 4);
+x_27 = lean_ctor_get(x_3, 5);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_3);
+x_28 = lean_ctor_get(x_4, 2);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_4, 3);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_4, 4);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_4, 5);
+lean_inc(x_31);
+if (lean_is_exclusive(x_4)) {
+ lean_ctor_release(x_4, 0);
+ lean_ctor_release(x_4, 1);
+ lean_ctor_release(x_4, 2);
+ lean_ctor_release(x_4, 3);
+ lean_ctor_release(x_4, 4);
+ lean_ctor_release(x_4, 5);
+ x_32 = x_4;
+} else {
+ lean_dec_ref(x_4);
+ x_32 = lean_box(0);
+}
+lean_inc(x_21);
+lean_inc(x_20);
+if (lean_is_scalar(x_32)) {
+ x_33 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_33 = x_32;
+}
+lean_ctor_set(x_33, 0, x_20);
+lean_ctor_set(x_33, 1, x_21);
+lean_ctor_set(x_33, 2, x_28);
+lean_ctor_set(x_33, 3, x_29);
+lean_ctor_set(x_33, 4, x_30);
+lean_ctor_set(x_33, 5, x_31);
+x_34 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_23);
+lean_ctor_set(x_34, 2, x_24);
+lean_ctor_set(x_34, 3, x_25);
+lean_ctor_set(x_34, 4, x_26);
+lean_ctor_set(x_34, 5, x_27);
+lean_inc(x_22);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_22);
+return x_35;
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_restore___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Elab_Tactic_restore(x_1, x_2);
+lean_dec(x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_save___boxed), 1, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_restore___boxed), 2, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1;
+x_2 = l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_EStateM_Backtrackable() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3;
+return x_1;
+}
+}
 lean_object* _init_l_Lean_Elab_Tactic_liftTermElabM___rarg___closed__1() {
 _start:
 {
@@ -772,6 +1161,16 @@ x_5 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_4, x_2, x_3);
 return x_5;
 }
 }
+lean_object* l_Lean_Elab_Tactic_isExprMVarAssigned(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; lean_object* x_5; 
+x_4 = lean_alloc_closure((void*)(l_Lean_Elab_Term_isExprMVarAssigned___boxed), 3, 1);
+lean_closure_set(x_4, 0, x_1);
+x_5 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_4, x_2, x_3);
+return x_5;
+}
+}
 lean_object* l_Lean_Elab_Tactic_assignExprMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -811,6 +1210,97 @@ x_9 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_8, x_3, x_4);
 return x_9;
 }
 }
+lean_object* l_Lean_Elab_Tactic_reportUnsolvedGoals(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; 
+x_5 = lean_alloc_closure((void*)(l_Lean_Elab_Term_reportUnsolvedGoals), 4, 2);
+lean_closure_set(x_5, 0, x_1);
+lean_closure_set(x_5, 1, x_2);
+x_6 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_5, x_3, x_4);
+return x_6;
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_collectMVars___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_HashMap_Inhabited___closed__1;
+x_2 = l_Array_empty___closed__1;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_Elab_Tactic_collectMVars(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_Elab_Tactic_instantiateMVars(x_1, x_2, x_3, x_4);
+if (lean_obj_tag(x_5) == 0)
+{
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_5);
+if (x_6 == 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_5, 0);
+x_8 = l_Lean_Elab_Tactic_collectMVars___closed__1;
+x_9 = l_Lean_collectMVars(x_8, x_7);
+x_10 = lean_ctor_get(x_9, 1);
+lean_inc(x_10);
+lean_dec(x_9);
+x_11 = l_Array_toList___rarg(x_10);
+lean_dec(x_10);
+lean_ctor_set(x_5, 0, x_11);
+return x_5;
+}
+else
+{
+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; 
+x_12 = lean_ctor_get(x_5, 0);
+x_13 = lean_ctor_get(x_5, 1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_5);
+x_14 = l_Lean_Elab_Tactic_collectMVars___closed__1;
+x_15 = l_Lean_collectMVars(x_14, x_12);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = l_Array_toList___rarg(x_16);
+lean_dec(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_13);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_5);
+if (x_19 == 0)
+{
+return x_5;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_5, 0);
+x_21 = lean_ctor_get(x_5, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_5);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
 lean_object* l_ReaderT_read___at_Lean_Elab_Tactic_monadLog___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -2303,7 +2793,7 @@ else
 {
 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_dec(x_3);
-x_26 = l_Lean_Name_toString___closed__1;
+x_26 = l_System_FilePath_dirName___closed__1;
 x_27 = l_Lean_Name_toStringWithSep___main(x_26, x_1);
 x_28 = l_Lean_Elab_Tactic_addBuiltinTactic___closed__1;
 x_29 = lean_string_append(x_28, x_27);
@@ -2408,7 +2898,7 @@ else
 {
 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_dec(x_3);
-x_51 = l_Lean_Name_toString___closed__1;
+x_51 = l_System_FilePath_dirName___closed__1;
 x_52 = l_Lean_Name_toStringWithSep___main(x_51, x_1);
 x_53 = l_Lean_Elab_Tactic_addBuiltinTactic___closed__1;
 x_54 = lean_string_append(x_53, x_52);
@@ -2621,7 +3111,7 @@ if (lean_obj_tag(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; lean_object* x_32; lean_object* x_33; 
 lean_dec(x_25);
 lean_dec(x_6);
-x_26 = l_Lean_Name_toString___closed__1;
+x_26 = l_System_FilePath_dirName___closed__1;
 x_27 = l_Lean_Name_toStringWithSep___main(x_26, x_3);
 x_28 = l_Lean_Elab_Tactic_declareBuiltinTactic___closed__7;
 x_29 = lean_string_append(x_28, x_27);
@@ -2950,7 +3440,7 @@ block_23:
 {
 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_dec(x_14);
-x_15 = l_Lean_Name_toString___closed__1;
+x_15 = l_System_FilePath_dirName___closed__1;
 x_16 = l_Lean_Name_toStringWithSep___main(x_15, x_2);
 x_17 = l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__4;
 x_18 = lean_string_append(x_17, x_16);
@@ -3244,57 +3734,66 @@ return x_14;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
 x_15 = lean_ctor_get(x_3, 0);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_3, 1);
 lean_inc(x_16);
 lean_dec(x_3);
+x_17 = l_Lean_Elab_Tactic_save(x_5);
 lean_inc(x_4);
 lean_inc(x_2);
-x_17 = lean_apply_3(x_15, x_2, x_4, x_5);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_dec(x_16);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_17;
-}
-else
-{
-lean_object* x_18; 
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
+x_18 = lean_apply_3(x_15, x_2, x_4, x_5);
 if (lean_obj_tag(x_18) == 0)
 {
-uint8_t x_19; 
+lean_dec(x_17);
 lean_dec(x_16);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_17);
-if (x_19 == 0)
-{
-lean_object* x_20; 
-x_20 = lean_ctor_get(x_17, 0);
-lean_dec(x_20);
-return x_17;
+return x_18;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; 
-x_21 = lean_ctor_get(x_17, 1);
-lean_inc(x_21);
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+uint8_t x_20; 
+lean_dec(x_16);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_20 = !lean_is_exclusive(x_18);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_18, 1);
+x_22 = lean_ctor_get(x_18, 0);
+lean_dec(x_22);
+x_23 = l_Lean_Elab_Tactic_restore(x_21, x_17);
 lean_dec(x_17);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_18);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
+lean_ctor_set(x_18, 1, x_23);
+return x_18;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_18, 1);
+lean_inc(x_24);
+lean_dec(x_18);
+x_25 = l_Lean_Elab_Tactic_restore(x_24, x_17);
+lean_dec(x_17);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_19);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
 }
 }
 else
 {
+lean_dec(x_18);
 lean_dec(x_17);
 lean_inc(x_1);
 {
@@ -4007,7 +4506,7 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_9);
 lean_dec(x_8);
-x_56 = l_Lean_Name_toString___closed__1;
+x_56 = l_System_FilePath_dirName___closed__1;
 x_57 = l_Lean_Name_toStringWithSep___main(x_56, x_47);
 x_58 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_58, 0, x_57);
@@ -4282,7 +4781,7 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_9);
 lean_dec(x_8);
-x_115 = l_Lean_Name_toString___closed__1;
+x_115 = l_System_FilePath_dirName___closed__1;
 x_116 = l_Lean_Name_toStringWithSep___main(x_115, x_106);
 x_117 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_117, 0, x_116);
@@ -4582,7 +5081,7 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_9);
 lean_dec(x_8);
-x_178 = l_Lean_Name_toString___closed__1;
+x_178 = l_System_FilePath_dirName___closed__1;
 x_179 = l_Lean_Name_toStringWithSep___main(x_178, x_169);
 x_180 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_180, 0, x_179);
@@ -4914,7 +5413,7 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_9);
 lean_dec(x_8);
-x_250 = l_Lean_Name_toString___closed__1;
+x_250 = l_System_FilePath_dirName___closed__1;
 x_251 = l_Lean_Name_toStringWithSep___main(x_250, x_241);
 x_252 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_252, 0, x_251);
@@ -5289,7 +5788,7 @@ lean_dec(x_278);
 lean_dec(x_277);
 lean_dec(x_9);
 lean_dec(x_8);
-x_333 = l_Lean_Name_toString___closed__1;
+x_333 = l_System_FilePath_dirName___closed__1;
 x_334 = l_Lean_Name_toStringWithSep___main(x_333, x_324);
 x_335 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_335, 0, x_334);
@@ -5691,7 +6190,7 @@ lean_dec(x_363);
 lean_dec(x_362);
 lean_dec(x_361);
 lean_dec(x_360);
-x_420 = l_Lean_Name_toString___closed__1;
+x_420 = l_System_FilePath_dirName___closed__1;
 x_421 = l_Lean_Name_toStringWithSep___main(x_420, x_411);
 x_422 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_422, 0, x_421);
@@ -6200,234 +6699,216 @@ lean_inc(x_2);
 x_9 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_8, x_2, x_3);
 if (lean_obj_tag(x_9) == 0)
 {
-lean_object* x_10; lean_object* x_11; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_apply_2(x_1, x_2, x_10);
-if (lean_obj_tag(x_11) == 0)
+x_11 = l_Lean_Elab_Tactic_save(x_10);
+lean_inc(x_10);
+x_12 = lean_apply_2(x_1, x_2, x_10);
+if (lean_obj_tag(x_12) == 0)
 {
-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_11, 1);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_12, 0);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+lean_dec(x_11);
+lean_dec(x_10);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-x_15 = lean_ctor_get(x_14, 2);
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-x_16 = !lean_is_exclusive(x_11);
-if (x_16 == 0)
+x_16 = lean_ctor_get(x_15, 2);
+lean_inc(x_16);
+x_17 = !lean_is_exclusive(x_12);
+if (x_17 == 0)
 {
-lean_object* x_17; uint8_t x_18; 
-x_17 = lean_ctor_get(x_11, 1);
-lean_dec(x_17);
-x_18 = !lean_is_exclusive(x_12);
-if (x_18 == 0)
+lean_object* x_18; uint8_t x_19; 
+x_18 = lean_ctor_get(x_12, 1);
+lean_dec(x_18);
+x_19 = !lean_is_exclusive(x_13);
+if (x_19 == 0)
 {
-lean_object* x_19; uint8_t x_20; 
-x_19 = lean_ctor_get(x_12, 0);
-lean_dec(x_19);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_13, 0);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_14);
+if (x_21 == 0)
 {
-lean_object* x_21; uint8_t x_22; 
-x_21 = lean_ctor_get(x_13, 0);
-lean_dec(x_21);
-x_22 = !lean_is_exclusive(x_14);
-if (x_22 == 0)
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_14, 0);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_15);
+if (x_23 == 0)
 {
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_14, 2);
-lean_dec(x_23);
-x_24 = !lean_is_exclusive(x_15);
-if (x_24 == 0)
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_15, 2);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_16);
+if (x_25 == 0)
 {
-lean_object* x_25; 
-x_25 = lean_ctor_get(x_15, 2);
-lean_dec(x_25);
-lean_ctor_set(x_15, 2, x_7);
-return x_11;
+lean_object* x_26; 
+x_26 = lean_ctor_get(x_16, 2);
+lean_dec(x_26);
+lean_ctor_set(x_16, 2, x_7);
+return x_12;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_15, 0);
-x_27 = lean_ctor_get(x_15, 1);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_16, 0);
+x_28 = lean_ctor_get(x_16, 1);
+lean_inc(x_28);
 lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_15);
-x_28 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-lean_ctor_set(x_28, 2, x_7);
-lean_ctor_set(x_14, 2, x_28);
-return x_11;
+lean_dec(x_16);
+x_29 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+lean_ctor_set(x_29, 2, x_7);
+lean_ctor_set(x_15, 2, x_29);
+return x_12;
 }
 }
 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; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_29 = lean_ctor_get(x_14, 0);
-x_30 = lean_ctor_get(x_14, 1);
-x_31 = lean_ctor_get(x_14, 3);
-x_32 = lean_ctor_get(x_14, 4);
-x_33 = lean_ctor_get(x_14, 5);
+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; 
+x_30 = lean_ctor_get(x_15, 0);
+x_31 = lean_ctor_get(x_15, 1);
+x_32 = lean_ctor_get(x_15, 3);
+x_33 = lean_ctor_get(x_15, 4);
+x_34 = lean_ctor_get(x_15, 5);
+lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_14);
-x_34 = lean_ctor_get(x_15, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_15, 1);
+lean_dec(x_15);
+x_35 = lean_ctor_get(x_16, 0);
 lean_inc(x_35);
-if (lean_is_exclusive(x_15)) {
- lean_ctor_release(x_15, 0);
- lean_ctor_release(x_15, 1);
- lean_ctor_release(x_15, 2);
- x_36 = x_15;
+x_36 = lean_ctor_get(x_16, 1);
+lean_inc(x_36);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ x_37 = x_16;
 } else {
- lean_dec_ref(x_15);
- x_36 = lean_box(0);
+ lean_dec_ref(x_16);
+ x_37 = lean_box(0);
 }
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_37)) {
+ x_38 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_37 = x_36;
+ x_38 = x_37;
 }
-lean_ctor_set(x_37, 0, x_34);
-lean_ctor_set(x_37, 1, x_35);
-lean_ctor_set(x_37, 2, x_7);
-x_38 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_38, 0, x_29);
-lean_ctor_set(x_38, 1, x_30);
-lean_ctor_set(x_38, 2, x_37);
-lean_ctor_set(x_38, 3, x_31);
-lean_ctor_set(x_38, 4, x_32);
-lean_ctor_set(x_38, 5, x_33);
-lean_ctor_set(x_13, 0, x_38);
-return x_11;
+lean_ctor_set(x_38, 0, x_35);
+lean_ctor_set(x_38, 1, x_36);
+lean_ctor_set(x_38, 2, x_7);
+x_39 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_39, 0, x_30);
+lean_ctor_set(x_39, 1, x_31);
+lean_ctor_set(x_39, 2, x_38);
+lean_ctor_set(x_39, 3, x_32);
+lean_ctor_set(x_39, 4, x_33);
+lean_ctor_set(x_39, 5, x_34);
+lean_ctor_set(x_14, 0, x_39);
+return x_12;
 }
 }
 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; 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_39 = lean_ctor_get(x_13, 1);
-x_40 = lean_ctor_get(x_13, 2);
-x_41 = lean_ctor_get(x_13, 3);
-x_42 = lean_ctor_get(x_13, 4);
-x_43 = lean_ctor_get(x_13, 5);
+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_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_40 = lean_ctor_get(x_14, 1);
+x_41 = lean_ctor_get(x_14, 2);
+x_42 = lean_ctor_get(x_14, 3);
+x_43 = lean_ctor_get(x_14, 4);
+x_44 = lean_ctor_get(x_14, 5);
+lean_inc(x_44);
 lean_inc(x_43);
 lean_inc(x_42);
 lean_inc(x_41);
 lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_13);
-x_44 = lean_ctor_get(x_14, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_14, 1);
+lean_dec(x_14);
+x_45 = lean_ctor_get(x_15, 0);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_14, 3);
+x_46 = lean_ctor_get(x_15, 1);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_14, 4);
+x_47 = lean_ctor_get(x_15, 3);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_14, 5);
+x_48 = lean_ctor_get(x_15, 4);
 lean_inc(x_48);
-if (lean_is_exclusive(x_14)) {
- lean_ctor_release(x_14, 0);
- lean_ctor_release(x_14, 1);
- lean_ctor_release(x_14, 2);
- lean_ctor_release(x_14, 3);
- lean_ctor_release(x_14, 4);
- lean_ctor_release(x_14, 5);
- x_49 = x_14;
-} else {
- lean_dec_ref(x_14);
- x_49 = lean_box(0);
-}
-x_50 = lean_ctor_get(x_15, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_15, 1);
-lean_inc(x_51);
+x_49 = lean_ctor_get(x_15, 5);
+lean_inc(x_49);
 if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 0);
  lean_ctor_release(x_15, 1);
  lean_ctor_release(x_15, 2);
- x_52 = x_15;
+ lean_ctor_release(x_15, 3);
+ lean_ctor_release(x_15, 4);
+ lean_ctor_release(x_15, 5);
+ x_50 = x_15;
 } else {
  lean_dec_ref(x_15);
- x_52 = lean_box(0);
+ x_50 = lean_box(0);
 }
-if (lean_is_scalar(x_52)) {
- x_53 = lean_alloc_ctor(0, 3, 0);
+x_51 = lean_ctor_get(x_16, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_16, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ x_53 = x_16;
 } else {
- x_53 = x_52;
+ lean_dec_ref(x_16);
+ x_53 = lean_box(0);
 }
-lean_ctor_set(x_53, 0, x_50);
-lean_ctor_set(x_53, 1, x_51);
-lean_ctor_set(x_53, 2, x_7);
-if (lean_is_scalar(x_49)) {
- x_54 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_53)) {
+ x_54 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_54 = x_49;
+ x_54 = x_53;
 }
-lean_ctor_set(x_54, 0, x_44);
-lean_ctor_set(x_54, 1, x_45);
-lean_ctor_set(x_54, 2, x_53);
-lean_ctor_set(x_54, 3, x_46);
-lean_ctor_set(x_54, 4, x_47);
-lean_ctor_set(x_54, 5, x_48);
-x_55 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_55, 0, x_54);
-lean_ctor_set(x_55, 1, x_39);
-lean_ctor_set(x_55, 2, x_40);
-lean_ctor_set(x_55, 3, x_41);
-lean_ctor_set(x_55, 4, x_42);
-lean_ctor_set(x_55, 5, x_43);
-lean_ctor_set(x_12, 0, x_55);
-return x_11;
+lean_ctor_set(x_54, 0, x_51);
+lean_ctor_set(x_54, 1, x_52);
+lean_ctor_set(x_54, 2, x_7);
+if (lean_is_scalar(x_50)) {
+ x_55 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_55 = x_50;
+}
+lean_ctor_set(x_55, 0, x_45);
+lean_ctor_set(x_55, 1, x_46);
+lean_ctor_set(x_55, 2, x_54);
+lean_ctor_set(x_55, 3, x_47);
+lean_ctor_set(x_55, 4, x_48);
+lean_ctor_set(x_55, 5, x_49);
+x_56 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_40);
+lean_ctor_set(x_56, 2, x_41);
+lean_ctor_set(x_56, 3, x_42);
+lean_ctor_set(x_56, 4, x_43);
+lean_ctor_set(x_56, 5, x_44);
+lean_ctor_set(x_13, 0, x_56);
+return x_12;
 }
 }
 else
 {
-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; 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; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_56 = lean_ctor_get(x_12, 1);
-lean_inc(x_56);
-lean_dec(x_12);
+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; 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; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
 x_57 = lean_ctor_get(x_13, 1);
 lean_inc(x_57);
-x_58 = lean_ctor_get(x_13, 2);
+lean_dec(x_13);
+x_58 = lean_ctor_get(x_14, 1);
 lean_inc(x_58);
-x_59 = lean_ctor_get(x_13, 3);
+x_59 = lean_ctor_get(x_14, 2);
 lean_inc(x_59);
-x_60 = lean_ctor_get(x_13, 4);
+x_60 = lean_ctor_get(x_14, 3);
 lean_inc(x_60);
-x_61 = lean_ctor_get(x_13, 5);
+x_61 = lean_ctor_get(x_14, 4);
 lean_inc(x_61);
-if (lean_is_exclusive(x_13)) {
- lean_ctor_release(x_13, 0);
- lean_ctor_release(x_13, 1);
- lean_ctor_release(x_13, 2);
- lean_ctor_release(x_13, 3);
- lean_ctor_release(x_13, 4);
- lean_ctor_release(x_13, 5);
- x_62 = x_13;
-} else {
- lean_dec_ref(x_13);
- x_62 = lean_box(0);
-}
-x_63 = lean_ctor_get(x_14, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_14, 1);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_14, 3);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_14, 4);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_14, 5);
-lean_inc(x_67);
+x_62 = lean_ctor_get(x_14, 5);
+lean_inc(x_62);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -6435,109 +6916,109 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 3);
  lean_ctor_release(x_14, 4);
  lean_ctor_release(x_14, 5);
- x_68 = x_14;
+ x_63 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_68 = lean_box(0);
+ x_63 = lean_box(0);
 }
-x_69 = lean_ctor_get(x_15, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_15, 1);
-lean_inc(x_70);
+x_64 = lean_ctor_get(x_15, 0);
+lean_inc(x_64);
+x_65 = lean_ctor_get(x_15, 1);
+lean_inc(x_65);
+x_66 = lean_ctor_get(x_15, 3);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_15, 4);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_15, 5);
+lean_inc(x_68);
 if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 0);
  lean_ctor_release(x_15, 1);
  lean_ctor_release(x_15, 2);
- x_71 = x_15;
+ lean_ctor_release(x_15, 3);
+ lean_ctor_release(x_15, 4);
+ lean_ctor_release(x_15, 5);
+ x_69 = x_15;
 } else {
  lean_dec_ref(x_15);
- x_71 = lean_box(0);
+ x_69 = lean_box(0);
 }
-if (lean_is_scalar(x_71)) {
- x_72 = lean_alloc_ctor(0, 3, 0);
+x_70 = lean_ctor_get(x_16, 0);
+lean_inc(x_70);
+x_71 = lean_ctor_get(x_16, 1);
+lean_inc(x_71);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ x_72 = x_16;
 } else {
- x_72 = x_71;
+ lean_dec_ref(x_16);
+ x_72 = lean_box(0);
 }
-lean_ctor_set(x_72, 0, x_69);
-lean_ctor_set(x_72, 1, x_70);
-lean_ctor_set(x_72, 2, x_7);
-if (lean_is_scalar(x_68)) {
- x_73 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_72)) {
+ x_73 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_73 = x_68;
+ x_73 = x_72;
 }
-lean_ctor_set(x_73, 0, x_63);
-lean_ctor_set(x_73, 1, x_64);
-lean_ctor_set(x_73, 2, x_72);
-lean_ctor_set(x_73, 3, x_65);
-lean_ctor_set(x_73, 4, x_66);
-lean_ctor_set(x_73, 5, x_67);
-if (lean_is_scalar(x_62)) {
+lean_ctor_set(x_73, 0, x_70);
+lean_ctor_set(x_73, 1, x_71);
+lean_ctor_set(x_73, 2, x_7);
+if (lean_is_scalar(x_69)) {
  x_74 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_74 = x_62;
+ x_74 = x_69;
+}
+lean_ctor_set(x_74, 0, x_64);
+lean_ctor_set(x_74, 1, x_65);
+lean_ctor_set(x_74, 2, x_73);
+lean_ctor_set(x_74, 3, x_66);
+lean_ctor_set(x_74, 4, x_67);
+lean_ctor_set(x_74, 5, x_68);
+if (lean_is_scalar(x_63)) {
+ x_75 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_75 = x_63;
 }
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_57);
-lean_ctor_set(x_74, 2, x_58);
-lean_ctor_set(x_74, 3, x_59);
-lean_ctor_set(x_74, 4, x_60);
-lean_ctor_set(x_74, 5, x_61);
-x_75 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_75, 0, x_74);
-lean_ctor_set(x_75, 1, x_56);
-lean_ctor_set(x_11, 1, x_75);
-return x_11;
+lean_ctor_set(x_75, 1, x_58);
+lean_ctor_set(x_75, 2, x_59);
+lean_ctor_set(x_75, 3, x_60);
+lean_ctor_set(x_75, 4, x_61);
+lean_ctor_set(x_75, 5, x_62);
+x_76 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_57);
+lean_ctor_set(x_12, 1, x_76);
+return x_12;
 }
 }
 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; 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; 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; 
-x_76 = lean_ctor_get(x_11, 0);
-lean_inc(x_76);
-lean_dec(x_11);
-x_77 = lean_ctor_get(x_12, 1);
+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_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; 
+x_77 = lean_ctor_get(x_12, 0);
 lean_inc(x_77);
-if (lean_is_exclusive(x_12)) {
- lean_ctor_release(x_12, 0);
- lean_ctor_release(x_12, 1);
- x_78 = x_12;
-} else {
- lean_dec_ref(x_12);
- x_78 = lean_box(0);
-}
-x_79 = lean_ctor_get(x_13, 1);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_13, 2);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_13, 3);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_13, 4);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_13, 5);
-lean_inc(x_83);
+lean_dec(x_12);
+x_78 = lean_ctor_get(x_13, 1);
+lean_inc(x_78);
 if (lean_is_exclusive(x_13)) {
  lean_ctor_release(x_13, 0);
  lean_ctor_release(x_13, 1);
- lean_ctor_release(x_13, 2);
- lean_ctor_release(x_13, 3);
- lean_ctor_release(x_13, 4);
- lean_ctor_release(x_13, 5);
- x_84 = x_13;
+ x_79 = x_13;
 } else {
  lean_dec_ref(x_13);
- x_84 = lean_box(0);
+ x_79 = lean_box(0);
 }
-x_85 = lean_ctor_get(x_14, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_14, 1);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_14, 3);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_14, 4);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_14, 5);
-lean_inc(x_89);
+x_80 = lean_ctor_get(x_14, 1);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_14, 2);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_14, 3);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_14, 4);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_14, 5);
+lean_inc(x_84);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -6545,492 +7026,493 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 3);
  lean_ctor_release(x_14, 4);
  lean_ctor_release(x_14, 5);
- x_90 = x_14;
+ x_85 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_90 = lean_box(0);
+ x_85 = lean_box(0);
 }
-x_91 = lean_ctor_get(x_15, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_15, 1);
-lean_inc(x_92);
+x_86 = lean_ctor_get(x_15, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_15, 1);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_15, 3);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_15, 4);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_15, 5);
+lean_inc(x_90);
 if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 0);
  lean_ctor_release(x_15, 1);
  lean_ctor_release(x_15, 2);
- x_93 = x_15;
+ lean_ctor_release(x_15, 3);
+ lean_ctor_release(x_15, 4);
+ lean_ctor_release(x_15, 5);
+ x_91 = x_15;
 } else {
  lean_dec_ref(x_15);
- x_93 = lean_box(0);
+ x_91 = lean_box(0);
 }
-if (lean_is_scalar(x_93)) {
- x_94 = lean_alloc_ctor(0, 3, 0);
+x_92 = lean_ctor_get(x_16, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_16, 1);
+lean_inc(x_93);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ x_94 = x_16;
 } else {
- x_94 = x_93;
+ lean_dec_ref(x_16);
+ x_94 = lean_box(0);
 }
-lean_ctor_set(x_94, 0, x_91);
-lean_ctor_set(x_94, 1, x_92);
-lean_ctor_set(x_94, 2, x_7);
-if (lean_is_scalar(x_90)) {
- x_95 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_94)) {
+ x_95 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_95 = x_90;
+ x_95 = x_94;
 }
-lean_ctor_set(x_95, 0, x_85);
-lean_ctor_set(x_95, 1, x_86);
-lean_ctor_set(x_95, 2, x_94);
-lean_ctor_set(x_95, 3, x_87);
-lean_ctor_set(x_95, 4, x_88);
-lean_ctor_set(x_95, 5, x_89);
-if (lean_is_scalar(x_84)) {
+lean_ctor_set(x_95, 0, x_92);
+lean_ctor_set(x_95, 1, x_93);
+lean_ctor_set(x_95, 2, x_7);
+if (lean_is_scalar(x_91)) {
  x_96 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_96 = x_84;
+ x_96 = x_91;
 }
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_79);
-lean_ctor_set(x_96, 2, x_80);
-lean_ctor_set(x_96, 3, x_81);
-lean_ctor_set(x_96, 4, x_82);
-lean_ctor_set(x_96, 5, x_83);
-if (lean_is_scalar(x_78)) {
- x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_96, 0, x_86);
+lean_ctor_set(x_96, 1, x_87);
+lean_ctor_set(x_96, 2, x_95);
+lean_ctor_set(x_96, 3, x_88);
+lean_ctor_set(x_96, 4, x_89);
+lean_ctor_set(x_96, 5, x_90);
+if (lean_is_scalar(x_85)) {
+ x_97 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_97 = x_78;
+ x_97 = x_85;
 }
 lean_ctor_set(x_97, 0, x_96);
-lean_ctor_set(x_97, 1, x_77);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_76);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
+lean_ctor_set(x_97, 1, x_80);
+lean_ctor_set(x_97, 2, x_81);
+lean_ctor_set(x_97, 3, x_82);
+lean_ctor_set(x_97, 4, x_83);
+lean_ctor_set(x_97, 5, x_84);
+if (lean_is_scalar(x_79)) {
+ x_98 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_98 = x_79;
+}
+lean_ctor_set(x_98, 0, x_97);
+lean_ctor_set(x_98, 1, x_78);
+x_99 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_99, 0, x_77);
+lean_ctor_set(x_99, 1, x_98);
+return x_99;
 }
 }
 else
 {
-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_11, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_99, 0);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_101, 2);
-lean_inc(x_102);
-x_103 = !lean_is_exclusive(x_11);
-if (x_103 == 0)
+uint8_t x_100; 
+x_100 = !lean_is_exclusive(x_12);
+if (x_100 == 0)
 {
-lean_object* x_104; uint8_t x_105; 
-x_104 = lean_ctor_get(x_11, 1);
-lean_dec(x_104);
-x_105 = !lean_is_exclusive(x_99);
-if (x_105 == 0)
-{
-lean_object* x_106; uint8_t x_107; 
-x_106 = lean_ctor_get(x_99, 0);
-lean_dec(x_106);
-x_107 = !lean_is_exclusive(x_100);
-if (x_107 == 0)
-{
-lean_object* x_108; uint8_t x_109; 
-x_108 = lean_ctor_get(x_100, 0);
-lean_dec(x_108);
-x_109 = !lean_is_exclusive(x_101);
-if (x_109 == 0)
-{
-lean_object* x_110; uint8_t x_111; 
-x_110 = lean_ctor_get(x_101, 2);
-lean_dec(x_110);
-x_111 = !lean_is_exclusive(x_102);
-if (x_111 == 0)
-{
-lean_object* x_112; 
-x_112 = lean_ctor_get(x_102, 2);
-lean_dec(x_112);
-lean_ctor_set(x_102, 2, x_7);
-return x_11;
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_113 = lean_ctor_get(x_102, 0);
-x_114 = lean_ctor_get(x_102, 1);
-lean_inc(x_114);
-lean_inc(x_113);
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; 
+x_101 = lean_ctor_get(x_12, 1);
+x_102 = l_Lean_Elab_Tactic_restore(x_101, x_11);
+lean_dec(x_11);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
 lean_dec(x_102);
-x_115 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_115, 0, x_113);
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_104, 2);
+lean_inc(x_105);
+x_106 = !lean_is_exclusive(x_103);
+if (x_106 == 0)
+{
+lean_object* x_107; uint8_t x_108; 
+x_107 = lean_ctor_get(x_103, 0);
+lean_dec(x_107);
+x_108 = !lean_is_exclusive(x_104);
+if (x_108 == 0)
+{
+lean_object* x_109; uint8_t x_110; 
+x_109 = lean_ctor_get(x_104, 2);
+lean_dec(x_109);
+x_110 = !lean_is_exclusive(x_105);
+if (x_110 == 0)
+{
+lean_object* x_111; uint8_t x_112; 
+x_111 = lean_ctor_get(x_105, 2);
+lean_dec(x_111);
+lean_ctor_set(x_105, 2, x_7);
+x_112 = !lean_is_exclusive(x_10);
+if (x_112 == 0)
+{
+lean_object* x_113; 
+x_113 = lean_ctor_get(x_10, 0);
+lean_dec(x_113);
+lean_ctor_set(x_10, 0, x_103);
+lean_ctor_set(x_12, 1, x_10);
+return x_12;
+}
+else
+{
+lean_object* x_114; lean_object* x_115; 
+x_114 = lean_ctor_get(x_10, 1);
+lean_inc(x_114);
+lean_dec(x_10);
+x_115 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_115, 0, x_103);
 lean_ctor_set(x_115, 1, x_114);
-lean_ctor_set(x_115, 2, x_7);
-lean_ctor_set(x_101, 2, x_115);
-return x_11;
+lean_ctor_set(x_12, 1, x_115);
+return x_12;
 }
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; 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; 
-x_116 = lean_ctor_get(x_101, 0);
-x_117 = lean_ctor_get(x_101, 1);
-x_118 = lean_ctor_get(x_101, 3);
-x_119 = lean_ctor_get(x_101, 4);
-x_120 = lean_ctor_get(x_101, 5);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_inc(x_118);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_116 = lean_ctor_get(x_105, 0);
+x_117 = lean_ctor_get(x_105, 1);
 lean_inc(x_117);
 lean_inc(x_116);
-lean_dec(x_101);
-x_121 = lean_ctor_get(x_102, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_102, 1);
-lean_inc(x_122);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- x_123 = x_102;
+lean_dec(x_105);
+x_118 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_118, 0, x_116);
+lean_ctor_set(x_118, 1, x_117);
+lean_ctor_set(x_118, 2, x_7);
+lean_ctor_set(x_104, 2, x_118);
+x_119 = lean_ctor_get(x_10, 1);
+lean_inc(x_119);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_120 = x_10;
 } else {
- lean_dec_ref(x_102);
- x_123 = lean_box(0);
+ lean_dec_ref(x_10);
+ x_120 = lean_box(0);
 }
-if (lean_is_scalar(x_123)) {
- x_124 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_120)) {
+ x_121 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_124 = x_123;
+ x_121 = x_120;
 }
-lean_ctor_set(x_124, 0, x_121);
-lean_ctor_set(x_124, 1, x_122);
-lean_ctor_set(x_124, 2, x_7);
-x_125 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_125, 0, x_116);
-lean_ctor_set(x_125, 1, x_117);
-lean_ctor_set(x_125, 2, x_124);
-lean_ctor_set(x_125, 3, x_118);
-lean_ctor_set(x_125, 4, x_119);
-lean_ctor_set(x_125, 5, x_120);
-lean_ctor_set(x_100, 0, x_125);
-return x_11;
+lean_ctor_set(x_121, 0, x_103);
+lean_ctor_set(x_121, 1, x_119);
+lean_ctor_set(x_12, 1, x_121);
+return x_12;
 }
 }
 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; 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; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_126 = lean_ctor_get(x_100, 1);
-x_127 = lean_ctor_get(x_100, 2);
-x_128 = lean_ctor_get(x_100, 3);
-x_129 = lean_ctor_get(x_100, 4);
-x_130 = lean_ctor_get(x_100, 5);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
+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; 
+x_122 = lean_ctor_get(x_104, 0);
+x_123 = lean_ctor_get(x_104, 1);
+x_124 = lean_ctor_get(x_104, 3);
+x_125 = lean_ctor_get(x_104, 4);
+x_126 = lean_ctor_get(x_104, 5);
 lean_inc(x_126);
-lean_dec(x_100);
-x_131 = lean_ctor_get(x_101, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_101, 1);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_104);
+x_127 = lean_ctor_get(x_105, 0);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_105, 1);
+lean_inc(x_128);
+if (lean_is_exclusive(x_105)) {
+ lean_ctor_release(x_105, 0);
+ lean_ctor_release(x_105, 1);
+ lean_ctor_release(x_105, 2);
+ x_129 = x_105;
+} else {
+ lean_dec_ref(x_105);
+ x_129 = lean_box(0);
+}
+if (lean_is_scalar(x_129)) {
+ x_130 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_130 = x_129;
+}
+lean_ctor_set(x_130, 0, x_127);
+lean_ctor_set(x_130, 1, x_128);
+lean_ctor_set(x_130, 2, x_7);
+x_131 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_131, 0, x_122);
+lean_ctor_set(x_131, 1, x_123);
+lean_ctor_set(x_131, 2, x_130);
+lean_ctor_set(x_131, 3, x_124);
+lean_ctor_set(x_131, 4, x_125);
+lean_ctor_set(x_131, 5, x_126);
+lean_ctor_set(x_103, 0, x_131);
+x_132 = lean_ctor_get(x_10, 1);
 lean_inc(x_132);
-x_133 = lean_ctor_get(x_101, 3);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_101, 4);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_101, 5);
-lean_inc(x_135);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- lean_ctor_release(x_101, 2);
- lean_ctor_release(x_101, 3);
- lean_ctor_release(x_101, 4);
- lean_ctor_release(x_101, 5);
- x_136 = x_101;
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_133 = x_10;
 } else {
- lean_dec_ref(x_101);
- x_136 = lean_box(0);
+ lean_dec_ref(x_10);
+ x_133 = lean_box(0);
 }
-x_137 = lean_ctor_get(x_102, 0);
-lean_inc(x_137);
-x_138 = lean_ctor_get(x_102, 1);
+if (lean_is_scalar(x_133)) {
+ x_134 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_134 = x_133;
+}
+lean_ctor_set(x_134, 0, x_103);
+lean_ctor_set(x_134, 1, x_132);
+lean_ctor_set(x_12, 1, x_134);
+return x_12;
+}
+}
+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; 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; 
+x_135 = lean_ctor_get(x_103, 1);
+x_136 = lean_ctor_get(x_103, 2);
+x_137 = lean_ctor_get(x_103, 3);
+x_138 = lean_ctor_get(x_103, 4);
+x_139 = lean_ctor_get(x_103, 5);
+lean_inc(x_139);
 lean_inc(x_138);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- x_139 = x_102;
-} else {
- lean_dec_ref(x_102);
- x_139 = lean_box(0);
-}
-if (lean_is_scalar(x_139)) {
- x_140 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_140 = x_139;
-}
-lean_ctor_set(x_140, 0, x_137);
-lean_ctor_set(x_140, 1, x_138);
-lean_ctor_set(x_140, 2, x_7);
-if (lean_is_scalar(x_136)) {
- x_141 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_141 = x_136;
-}
-lean_ctor_set(x_141, 0, x_131);
-lean_ctor_set(x_141, 1, x_132);
-lean_ctor_set(x_141, 2, x_140);
-lean_ctor_set(x_141, 3, x_133);
-lean_ctor_set(x_141, 4, x_134);
-lean_ctor_set(x_141, 5, x_135);
-x_142 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_142, 0, x_141);
-lean_ctor_set(x_142, 1, x_126);
-lean_ctor_set(x_142, 2, x_127);
-lean_ctor_set(x_142, 3, x_128);
-lean_ctor_set(x_142, 4, x_129);
-lean_ctor_set(x_142, 5, x_130);
-lean_ctor_set(x_99, 0, x_142);
-return x_11;
-}
-}
-else
-{
-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_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; 
-x_143 = lean_ctor_get(x_99, 1);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_103);
+x_140 = lean_ctor_get(x_104, 0);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_104, 1);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_104, 3);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_104, 4);
 lean_inc(x_143);
-lean_dec(x_99);
-x_144 = lean_ctor_get(x_100, 1);
+x_144 = lean_ctor_get(x_104, 5);
 lean_inc(x_144);
-x_145 = lean_ctor_get(x_100, 2);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_100, 3);
+if (lean_is_exclusive(x_104)) {
+ lean_ctor_release(x_104, 0);
+ lean_ctor_release(x_104, 1);
+ lean_ctor_release(x_104, 2);
+ lean_ctor_release(x_104, 3);
+ lean_ctor_release(x_104, 4);
+ lean_ctor_release(x_104, 5);
+ x_145 = x_104;
+} else {
+ lean_dec_ref(x_104);
+ x_145 = lean_box(0);
+}
+x_146 = lean_ctor_get(x_105, 0);
 lean_inc(x_146);
-x_147 = lean_ctor_get(x_100, 4);
+x_147 = lean_ctor_get(x_105, 1);
 lean_inc(x_147);
-x_148 = lean_ctor_get(x_100, 5);
-lean_inc(x_148);
-if (lean_is_exclusive(x_100)) {
- lean_ctor_release(x_100, 0);
- lean_ctor_release(x_100, 1);
- lean_ctor_release(x_100, 2);
- lean_ctor_release(x_100, 3);
- lean_ctor_release(x_100, 4);
- lean_ctor_release(x_100, 5);
- x_149 = x_100;
+if (lean_is_exclusive(x_105)) {
+ lean_ctor_release(x_105, 0);
+ lean_ctor_release(x_105, 1);
+ lean_ctor_release(x_105, 2);
+ x_148 = x_105;
 } else {
- lean_dec_ref(x_100);
- x_149 = lean_box(0);
+ lean_dec_ref(x_105);
+ x_148 = lean_box(0);
 }
-x_150 = lean_ctor_get(x_101, 0);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_101, 1);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_101, 3);
+if (lean_is_scalar(x_148)) {
+ x_149 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_149 = x_148;
+}
+lean_ctor_set(x_149, 0, x_146);
+lean_ctor_set(x_149, 1, x_147);
+lean_ctor_set(x_149, 2, x_7);
+if (lean_is_scalar(x_145)) {
+ x_150 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_150 = x_145;
+}
+lean_ctor_set(x_150, 0, x_140);
+lean_ctor_set(x_150, 1, x_141);
+lean_ctor_set(x_150, 2, x_149);
+lean_ctor_set(x_150, 3, x_142);
+lean_ctor_set(x_150, 4, x_143);
+lean_ctor_set(x_150, 5, x_144);
+x_151 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_151, 0, x_150);
+lean_ctor_set(x_151, 1, x_135);
+lean_ctor_set(x_151, 2, x_136);
+lean_ctor_set(x_151, 3, x_137);
+lean_ctor_set(x_151, 4, x_138);
+lean_ctor_set(x_151, 5, x_139);
+x_152 = lean_ctor_get(x_10, 1);
 lean_inc(x_152);
-x_153 = lean_ctor_get(x_101, 4);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_101, 5);
-lean_inc(x_154);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- lean_ctor_release(x_101, 2);
- lean_ctor_release(x_101, 3);
- lean_ctor_release(x_101, 4);
- lean_ctor_release(x_101, 5);
- x_155 = x_101;
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_153 = x_10;
 } else {
- lean_dec_ref(x_101);
- x_155 = lean_box(0);
+ lean_dec_ref(x_10);
+ x_153 = lean_box(0);
 }
-x_156 = lean_ctor_get(x_102, 0);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_102, 1);
-lean_inc(x_157);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- x_158 = x_102;
+if (lean_is_scalar(x_153)) {
+ x_154 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_102);
- x_158 = lean_box(0);
+ x_154 = x_153;
 }
-if (lean_is_scalar(x_158)) {
- x_159 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_159 = x_158;
-}
-lean_ctor_set(x_159, 0, x_156);
-lean_ctor_set(x_159, 1, x_157);
-lean_ctor_set(x_159, 2, x_7);
-if (lean_is_scalar(x_155)) {
- x_160 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_160 = x_155;
-}
-lean_ctor_set(x_160, 0, x_150);
-lean_ctor_set(x_160, 1, x_151);
-lean_ctor_set(x_160, 2, x_159);
-lean_ctor_set(x_160, 3, x_152);
-lean_ctor_set(x_160, 4, x_153);
-lean_ctor_set(x_160, 5, x_154);
-if (lean_is_scalar(x_149)) {
- x_161 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_161 = x_149;
-}
-lean_ctor_set(x_161, 0, x_160);
-lean_ctor_set(x_161, 1, x_144);
-lean_ctor_set(x_161, 2, x_145);
-lean_ctor_set(x_161, 3, x_146);
-lean_ctor_set(x_161, 4, x_147);
-lean_ctor_set(x_161, 5, x_148);
-x_162 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_143);
-lean_ctor_set(x_11, 1, x_162);
-return x_11;
+lean_ctor_set(x_154, 0, x_151);
+lean_ctor_set(x_154, 1, x_152);
+lean_ctor_set(x_12, 1, x_154);
+return x_12;
 }
 }
 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; 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; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_163 = lean_ctor_get(x_11, 0);
-lean_inc(x_163);
+lean_object* x_155; 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; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 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; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
+x_155 = lean_ctor_get(x_12, 0);
+x_156 = lean_ctor_get(x_12, 1);
+lean_inc(x_156);
+lean_inc(x_155);
+lean_dec(x_12);
+x_157 = l_Lean_Elab_Tactic_restore(x_156, x_11);
 lean_dec(x_11);
-x_164 = lean_ctor_get(x_99, 1);
+x_158 = lean_ctor_get(x_157, 0);
+lean_inc(x_158);
+lean_dec(x_157);
+x_159 = lean_ctor_get(x_158, 0);
+lean_inc(x_159);
+x_160 = lean_ctor_get(x_159, 2);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_158, 1);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_158, 2);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_158, 3);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_158, 4);
 lean_inc(x_164);
-if (lean_is_exclusive(x_99)) {
- lean_ctor_release(x_99, 0);
- lean_ctor_release(x_99, 1);
- x_165 = x_99;
+x_165 = lean_ctor_get(x_158, 5);
+lean_inc(x_165);
+if (lean_is_exclusive(x_158)) {
+ lean_ctor_release(x_158, 0);
+ lean_ctor_release(x_158, 1);
+ lean_ctor_release(x_158, 2);
+ lean_ctor_release(x_158, 3);
+ lean_ctor_release(x_158, 4);
+ lean_ctor_release(x_158, 5);
+ x_166 = x_158;
 } else {
- lean_dec_ref(x_99);
- x_165 = lean_box(0);
+ lean_dec_ref(x_158);
+ x_166 = lean_box(0);
 }
-x_166 = lean_ctor_get(x_100, 1);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_100, 2);
+x_167 = lean_ctor_get(x_159, 0);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_100, 3);
+x_168 = lean_ctor_get(x_159, 1);
 lean_inc(x_168);
-x_169 = lean_ctor_get(x_100, 4);
+x_169 = lean_ctor_get(x_159, 3);
 lean_inc(x_169);
-x_170 = lean_ctor_get(x_100, 5);
+x_170 = lean_ctor_get(x_159, 4);
 lean_inc(x_170);
-if (lean_is_exclusive(x_100)) {
- lean_ctor_release(x_100, 0);
- lean_ctor_release(x_100, 1);
- lean_ctor_release(x_100, 2);
- lean_ctor_release(x_100, 3);
- lean_ctor_release(x_100, 4);
- lean_ctor_release(x_100, 5);
- x_171 = x_100;
+x_171 = lean_ctor_get(x_159, 5);
+lean_inc(x_171);
+if (lean_is_exclusive(x_159)) {
+ lean_ctor_release(x_159, 0);
+ lean_ctor_release(x_159, 1);
+ lean_ctor_release(x_159, 2);
+ lean_ctor_release(x_159, 3);
+ lean_ctor_release(x_159, 4);
+ lean_ctor_release(x_159, 5);
+ x_172 = x_159;
 } else {
- lean_dec_ref(x_100);
- x_171 = lean_box(0);
+ lean_dec_ref(x_159);
+ x_172 = lean_box(0);
 }
-x_172 = lean_ctor_get(x_101, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_101, 1);
+x_173 = lean_ctor_get(x_160, 0);
 lean_inc(x_173);
-x_174 = lean_ctor_get(x_101, 3);
+x_174 = lean_ctor_get(x_160, 1);
 lean_inc(x_174);
-x_175 = lean_ctor_get(x_101, 4);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_101, 5);
-lean_inc(x_176);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- lean_ctor_release(x_101, 2);
- lean_ctor_release(x_101, 3);
- lean_ctor_release(x_101, 4);
- lean_ctor_release(x_101, 5);
- x_177 = x_101;
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ lean_ctor_release(x_160, 2);
+ x_175 = x_160;
 } else {
- lean_dec_ref(x_101);
- x_177 = lean_box(0);
+ lean_dec_ref(x_160);
+ x_175 = lean_box(0);
 }
-x_178 = lean_ctor_get(x_102, 0);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_102, 1);
-lean_inc(x_179);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- x_180 = x_102;
+if (lean_is_scalar(x_175)) {
+ x_176 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_102);
+ x_176 = x_175;
+}
+lean_ctor_set(x_176, 0, x_173);
+lean_ctor_set(x_176, 1, x_174);
+lean_ctor_set(x_176, 2, x_7);
+if (lean_is_scalar(x_172)) {
+ x_177 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_177 = x_172;
+}
+lean_ctor_set(x_177, 0, x_167);
+lean_ctor_set(x_177, 1, x_168);
+lean_ctor_set(x_177, 2, x_176);
+lean_ctor_set(x_177, 3, x_169);
+lean_ctor_set(x_177, 4, x_170);
+lean_ctor_set(x_177, 5, x_171);
+if (lean_is_scalar(x_166)) {
+ x_178 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_178 = x_166;
+}
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_161);
+lean_ctor_set(x_178, 2, x_162);
+lean_ctor_set(x_178, 3, x_163);
+lean_ctor_set(x_178, 4, x_164);
+lean_ctor_set(x_178, 5, x_165);
+x_179 = lean_ctor_get(x_10, 1);
+lean_inc(x_179);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_180 = x_10;
+} else {
+ lean_dec_ref(x_10);
  x_180 = lean_box(0);
 }
 if (lean_is_scalar(x_180)) {
- x_181 = lean_alloc_ctor(0, 3, 0);
+ x_181 = lean_alloc_ctor(0, 2, 0);
 } else {
  x_181 = x_180;
 }
 lean_ctor_set(x_181, 0, x_178);
 lean_ctor_set(x_181, 1, x_179);
-lean_ctor_set(x_181, 2, x_7);
-if (lean_is_scalar(x_177)) {
- x_182 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_182 = x_177;
-}
-lean_ctor_set(x_182, 0, x_172);
-lean_ctor_set(x_182, 1, x_173);
-lean_ctor_set(x_182, 2, x_181);
-lean_ctor_set(x_182, 3, x_174);
-lean_ctor_set(x_182, 4, x_175);
-lean_ctor_set(x_182, 5, x_176);
-if (lean_is_scalar(x_171)) {
- x_183 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_183 = x_171;
-}
-lean_ctor_set(x_183, 0, x_182);
-lean_ctor_set(x_183, 1, x_166);
-lean_ctor_set(x_183, 2, x_167);
-lean_ctor_set(x_183, 3, x_168);
-lean_ctor_set(x_183, 4, x_169);
-lean_ctor_set(x_183, 5, x_170);
-if (lean_is_scalar(x_165)) {
- x_184 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_184 = x_165;
-}
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_164);
-x_185 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_185, 0, x_163);
-lean_ctor_set(x_185, 1, x_184);
-return x_185;
+x_182 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_182, 0, x_155);
+lean_ctor_set(x_182, 1, x_181);
+return x_182;
 }
 }
 }
 else
 {
-uint8_t x_186; 
+uint8_t x_183; 
 lean_dec(x_7);
 lean_dec(x_2);
 lean_dec(x_1);
-x_186 = !lean_is_exclusive(x_9);
-if (x_186 == 0)
+x_183 = !lean_is_exclusive(x_9);
+if (x_183 == 0)
 {
 return x_9;
 }
 else
 {
-lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_187 = lean_ctor_get(x_9, 0);
-x_188 = lean_ctor_get(x_9, 1);
-lean_inc(x_188);
-lean_inc(x_187);
+lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+x_184 = lean_ctor_get(x_9, 0);
+x_185 = lean_ctor_get(x_9, 1);
+lean_inc(x_185);
+lean_inc(x_184);
 lean_dec(x_9);
-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;
+x_186 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_186, 0, x_184);
+lean_ctor_set(x_186, 1, x_185);
+return x_186;
 }
 }
 }
@@ -7071,234 +7553,216 @@ lean_inc(x_3);
 x_11 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_10, x_3, x_4);
 if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_12; lean_object* x_13; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_apply_2(x_2, x_3, x_12);
-if (lean_obj_tag(x_13) == 0)
+x_13 = l_Lean_Elab_Tactic_save(x_12);
+lean_inc(x_12);
+x_14 = lean_apply_2(x_2, x_3, x_12);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_14, 0);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+lean_dec(x_13);
+lean_dec(x_12);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_16, 2);
+x_17 = lean_ctor_get(x_16, 0);
 lean_inc(x_17);
-x_18 = !lean_is_exclusive(x_13);
-if (x_18 == 0)
+x_18 = lean_ctor_get(x_17, 2);
+lean_inc(x_18);
+x_19 = !lean_is_exclusive(x_14);
+if (x_19 == 0)
 {
-lean_object* x_19; uint8_t x_20; 
-x_19 = lean_ctor_get(x_13, 1);
-lean_dec(x_19);
-x_20 = !lean_is_exclusive(x_14);
-if (x_20 == 0)
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_14, 1);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_15);
+if (x_21 == 0)
 {
-lean_object* x_21; uint8_t x_22; 
-x_21 = lean_ctor_get(x_14, 0);
-lean_dec(x_21);
-x_22 = !lean_is_exclusive(x_15);
-if (x_22 == 0)
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_15, 0);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_16);
+if (x_23 == 0)
 {
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_15, 0);
-lean_dec(x_23);
-x_24 = !lean_is_exclusive(x_16);
-if (x_24 == 0)
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_16, 0);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_17);
+if (x_25 == 0)
 {
-lean_object* x_25; uint8_t x_26; 
-x_25 = lean_ctor_get(x_16, 2);
-lean_dec(x_25);
-x_26 = !lean_is_exclusive(x_17);
-if (x_26 == 0)
+lean_object* x_26; uint8_t x_27; 
+x_26 = lean_ctor_get(x_17, 2);
+lean_dec(x_26);
+x_27 = !lean_is_exclusive(x_18);
+if (x_27 == 0)
 {
-lean_object* x_27; 
-x_27 = lean_ctor_get(x_17, 2);
-lean_dec(x_27);
-lean_ctor_set(x_17, 2, x_9);
-return x_13;
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_18, 2);
+lean_dec(x_28);
+lean_ctor_set(x_18, 2, x_9);
+return x_14;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_17, 0);
-x_29 = lean_ctor_get(x_17, 1);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_18, 0);
+x_30 = lean_ctor_get(x_18, 1);
+lean_inc(x_30);
 lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_17);
-x_30 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-lean_ctor_set(x_30, 2, x_9);
-lean_ctor_set(x_16, 2, x_30);
-return x_13;
+lean_dec(x_18);
+x_31 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+lean_ctor_set(x_31, 2, x_9);
+lean_ctor_set(x_17, 2, x_31);
+return x_14;
 }
 }
 else
 {
-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_31 = lean_ctor_get(x_16, 0);
-x_32 = lean_ctor_get(x_16, 1);
-x_33 = lean_ctor_get(x_16, 3);
-x_34 = lean_ctor_get(x_16, 4);
-x_35 = lean_ctor_get(x_16, 5);
+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; 
+x_32 = lean_ctor_get(x_17, 0);
+x_33 = lean_ctor_get(x_17, 1);
+x_34 = lean_ctor_get(x_17, 3);
+x_35 = lean_ctor_get(x_17, 4);
+x_36 = lean_ctor_get(x_17, 5);
+lean_inc(x_36);
 lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_16);
-x_36 = lean_ctor_get(x_17, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_17, 1);
+lean_dec(x_17);
+x_37 = lean_ctor_get(x_18, 0);
 lean_inc(x_37);
-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_38 = x_17;
+x_38 = lean_ctor_get(x_18, 1);
+lean_inc(x_38);
+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_39 = x_18;
 } else {
- lean_dec_ref(x_17);
- x_38 = lean_box(0);
+ lean_dec_ref(x_18);
+ x_39 = lean_box(0);
 }
-if (lean_is_scalar(x_38)) {
- x_39 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_39)) {
+ x_40 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_39 = x_38;
+ x_40 = x_39;
 }
-lean_ctor_set(x_39, 0, x_36);
-lean_ctor_set(x_39, 1, x_37);
-lean_ctor_set(x_39, 2, x_9);
-x_40 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_40, 0, x_31);
-lean_ctor_set(x_40, 1, x_32);
-lean_ctor_set(x_40, 2, x_39);
-lean_ctor_set(x_40, 3, x_33);
-lean_ctor_set(x_40, 4, x_34);
-lean_ctor_set(x_40, 5, x_35);
-lean_ctor_set(x_15, 0, x_40);
-return x_13;
+lean_ctor_set(x_40, 0, x_37);
+lean_ctor_set(x_40, 1, x_38);
+lean_ctor_set(x_40, 2, x_9);
+x_41 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_41, 0, x_32);
+lean_ctor_set(x_41, 1, x_33);
+lean_ctor_set(x_41, 2, x_40);
+lean_ctor_set(x_41, 3, x_34);
+lean_ctor_set(x_41, 4, x_35);
+lean_ctor_set(x_41, 5, x_36);
+lean_ctor_set(x_16, 0, x_41);
+return x_14;
 }
 }
 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; 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; 
-x_41 = lean_ctor_get(x_15, 1);
-x_42 = lean_ctor_get(x_15, 2);
-x_43 = lean_ctor_get(x_15, 3);
-x_44 = lean_ctor_get(x_15, 4);
-x_45 = lean_ctor_get(x_15, 5);
+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_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; 
+x_42 = lean_ctor_get(x_16, 1);
+x_43 = lean_ctor_get(x_16, 2);
+x_44 = lean_ctor_get(x_16, 3);
+x_45 = lean_ctor_get(x_16, 4);
+x_46 = lean_ctor_get(x_16, 5);
+lean_inc(x_46);
 lean_inc(x_45);
 lean_inc(x_44);
 lean_inc(x_43);
 lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_15);
-x_46 = lean_ctor_get(x_16, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_16, 1);
+lean_dec(x_16);
+x_47 = lean_ctor_get(x_17, 0);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_16, 3);
+x_48 = lean_ctor_get(x_17, 1);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_16, 4);
+x_49 = lean_ctor_get(x_17, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_16, 5);
+x_50 = lean_ctor_get(x_17, 4);
 lean_inc(x_50);
-if (lean_is_exclusive(x_16)) {
- lean_ctor_release(x_16, 0);
- lean_ctor_release(x_16, 1);
- lean_ctor_release(x_16, 2);
- lean_ctor_release(x_16, 3);
- lean_ctor_release(x_16, 4);
- lean_ctor_release(x_16, 5);
- x_51 = x_16;
-} else {
- lean_dec_ref(x_16);
- x_51 = lean_box(0);
-}
-x_52 = lean_ctor_get(x_17, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_17, 1);
-lean_inc(x_53);
+x_51 = lean_ctor_get(x_17, 5);
+lean_inc(x_51);
 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_54 = x_17;
+ lean_ctor_release(x_17, 3);
+ lean_ctor_release(x_17, 4);
+ lean_ctor_release(x_17, 5);
+ x_52 = x_17;
 } else {
  lean_dec_ref(x_17);
- x_54 = lean_box(0);
+ x_52 = lean_box(0);
 }
-if (lean_is_scalar(x_54)) {
- x_55 = lean_alloc_ctor(0, 3, 0);
+x_53 = lean_ctor_get(x_18, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_18, 1);
+lean_inc(x_54);
+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_55 = x_18;
 } else {
- x_55 = x_54;
+ lean_dec_ref(x_18);
+ x_55 = lean_box(0);
 }
-lean_ctor_set(x_55, 0, x_52);
-lean_ctor_set(x_55, 1, x_53);
-lean_ctor_set(x_55, 2, x_9);
-if (lean_is_scalar(x_51)) {
- x_56 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_55)) {
+ x_56 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_56 = x_51;
+ x_56 = x_55;
 }
-lean_ctor_set(x_56, 0, x_46);
-lean_ctor_set(x_56, 1, x_47);
-lean_ctor_set(x_56, 2, x_55);
-lean_ctor_set(x_56, 3, x_48);
-lean_ctor_set(x_56, 4, x_49);
-lean_ctor_set(x_56, 5, x_50);
-x_57 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_57, 0, x_56);
-lean_ctor_set(x_57, 1, x_41);
-lean_ctor_set(x_57, 2, x_42);
-lean_ctor_set(x_57, 3, x_43);
-lean_ctor_set(x_57, 4, x_44);
-lean_ctor_set(x_57, 5, x_45);
-lean_ctor_set(x_14, 0, x_57);
-return x_13;
+lean_ctor_set(x_56, 0, x_53);
+lean_ctor_set(x_56, 1, x_54);
+lean_ctor_set(x_56, 2, x_9);
+if (lean_is_scalar(x_52)) {
+ x_57 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_57 = x_52;
+}
+lean_ctor_set(x_57, 0, x_47);
+lean_ctor_set(x_57, 1, x_48);
+lean_ctor_set(x_57, 2, x_56);
+lean_ctor_set(x_57, 3, x_49);
+lean_ctor_set(x_57, 4, x_50);
+lean_ctor_set(x_57, 5, x_51);
+x_58 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_58, 1, x_42);
+lean_ctor_set(x_58, 2, x_43);
+lean_ctor_set(x_58, 3, x_44);
+lean_ctor_set(x_58, 4, x_45);
+lean_ctor_set(x_58, 5, x_46);
+lean_ctor_set(x_15, 0, x_58);
+return x_14;
 }
 }
 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; 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; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_58 = lean_ctor_get(x_14, 1);
-lean_inc(x_58);
-lean_dec(x_14);
+lean_object* x_59; lean_object* x_60; 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; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 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_59 = lean_ctor_get(x_15, 1);
 lean_inc(x_59);
-x_60 = lean_ctor_get(x_15, 2);
+lean_dec(x_15);
+x_60 = lean_ctor_get(x_16, 1);
 lean_inc(x_60);
-x_61 = lean_ctor_get(x_15, 3);
+x_61 = lean_ctor_get(x_16, 2);
 lean_inc(x_61);
-x_62 = lean_ctor_get(x_15, 4);
+x_62 = lean_ctor_get(x_16, 3);
 lean_inc(x_62);
-x_63 = lean_ctor_get(x_15, 5);
+x_63 = lean_ctor_get(x_16, 4);
 lean_inc(x_63);
-if (lean_is_exclusive(x_15)) {
- lean_ctor_release(x_15, 0);
- lean_ctor_release(x_15, 1);
- lean_ctor_release(x_15, 2);
- lean_ctor_release(x_15, 3);
- lean_ctor_release(x_15, 4);
- lean_ctor_release(x_15, 5);
- x_64 = x_15;
-} else {
- lean_dec_ref(x_15);
- x_64 = lean_box(0);
-}
-x_65 = lean_ctor_get(x_16, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_16, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_16, 3);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_16, 4);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_16, 5);
-lean_inc(x_69);
+x_64 = lean_ctor_get(x_16, 5);
+lean_inc(x_64);
 if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 0);
  lean_ctor_release(x_16, 1);
@@ -7306,109 +7770,109 @@ if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 3);
  lean_ctor_release(x_16, 4);
  lean_ctor_release(x_16, 5);
- x_70 = x_16;
+ x_65 = x_16;
 } else {
  lean_dec_ref(x_16);
- x_70 = lean_box(0);
+ x_65 = lean_box(0);
 }
-x_71 = lean_ctor_get(x_17, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_17, 1);
-lean_inc(x_72);
+x_66 = lean_ctor_get(x_17, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_17, 1);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_17, 3);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_17, 4);
+lean_inc(x_69);
+x_70 = lean_ctor_get(x_17, 5);
+lean_inc(x_70);
 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_73 = x_17;
+ lean_ctor_release(x_17, 3);
+ lean_ctor_release(x_17, 4);
+ lean_ctor_release(x_17, 5);
+ x_71 = x_17;
 } else {
  lean_dec_ref(x_17);
- x_73 = lean_box(0);
+ x_71 = lean_box(0);
 }
-if (lean_is_scalar(x_73)) {
- x_74 = lean_alloc_ctor(0, 3, 0);
+x_72 = lean_ctor_get(x_18, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_18, 1);
+lean_inc(x_73);
+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_74 = x_18;
 } else {
- x_74 = x_73;
+ lean_dec_ref(x_18);
+ x_74 = lean_box(0);
 }
-lean_ctor_set(x_74, 0, x_71);
-lean_ctor_set(x_74, 1, x_72);
-lean_ctor_set(x_74, 2, x_9);
-if (lean_is_scalar(x_70)) {
- x_75 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_74)) {
+ x_75 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_75 = x_70;
+ x_75 = x_74;
 }
-lean_ctor_set(x_75, 0, x_65);
-lean_ctor_set(x_75, 1, x_66);
-lean_ctor_set(x_75, 2, x_74);
-lean_ctor_set(x_75, 3, x_67);
-lean_ctor_set(x_75, 4, x_68);
-lean_ctor_set(x_75, 5, x_69);
-if (lean_is_scalar(x_64)) {
+lean_ctor_set(x_75, 0, x_72);
+lean_ctor_set(x_75, 1, x_73);
+lean_ctor_set(x_75, 2, x_9);
+if (lean_is_scalar(x_71)) {
  x_76 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_76 = x_64;
+ x_76 = x_71;
+}
+lean_ctor_set(x_76, 0, x_66);
+lean_ctor_set(x_76, 1, x_67);
+lean_ctor_set(x_76, 2, x_75);
+lean_ctor_set(x_76, 3, x_68);
+lean_ctor_set(x_76, 4, x_69);
+lean_ctor_set(x_76, 5, x_70);
+if (lean_is_scalar(x_65)) {
+ x_77 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_77 = x_65;
 }
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_59);
-lean_ctor_set(x_76, 2, x_60);
-lean_ctor_set(x_76, 3, x_61);
-lean_ctor_set(x_76, 4, x_62);
-lean_ctor_set(x_76, 5, x_63);
-x_77 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_58);
-lean_ctor_set(x_13, 1, x_77);
-return x_13;
+lean_ctor_set(x_77, 1, x_60);
+lean_ctor_set(x_77, 2, x_61);
+lean_ctor_set(x_77, 3, x_62);
+lean_ctor_set(x_77, 4, x_63);
+lean_ctor_set(x_77, 5, x_64);
+x_78 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_78, 0, x_77);
+lean_ctor_set(x_78, 1, x_59);
+lean_ctor_set(x_14, 1, x_78);
+return x_14;
 }
 }
 else
 {
-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_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; 
-x_78 = lean_ctor_get(x_13, 0);
-lean_inc(x_78);
-lean_dec(x_13);
-x_79 = lean_ctor_get(x_14, 1);
+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; 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; lean_object* x_101; 
+x_79 = lean_ctor_get(x_14, 0);
 lean_inc(x_79);
-if (lean_is_exclusive(x_14)) {
- lean_ctor_release(x_14, 0);
- lean_ctor_release(x_14, 1);
- x_80 = x_14;
-} else {
- lean_dec_ref(x_14);
- x_80 = lean_box(0);
-}
-x_81 = lean_ctor_get(x_15, 1);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_15, 2);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_15, 3);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_15, 4);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_15, 5);
-lean_inc(x_85);
+lean_dec(x_14);
+x_80 = lean_ctor_get(x_15, 1);
+lean_inc(x_80);
 if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 0);
  lean_ctor_release(x_15, 1);
- lean_ctor_release(x_15, 2);
- lean_ctor_release(x_15, 3);
- lean_ctor_release(x_15, 4);
- lean_ctor_release(x_15, 5);
- x_86 = x_15;
+ x_81 = x_15;
 } else {
  lean_dec_ref(x_15);
- x_86 = lean_box(0);
+ x_81 = lean_box(0);
 }
-x_87 = lean_ctor_get(x_16, 0);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_16, 1);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_16, 3);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_16, 4);
-lean_inc(x_90);
-x_91 = lean_ctor_get(x_16, 5);
-lean_inc(x_91);
+x_82 = lean_ctor_get(x_16, 1);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_16, 2);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_16, 3);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_16, 4);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_16, 5);
+lean_inc(x_86);
 if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 0);
  lean_ctor_release(x_16, 1);
@@ -7416,492 +7880,493 @@ if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 3);
  lean_ctor_release(x_16, 4);
  lean_ctor_release(x_16, 5);
- x_92 = x_16;
+ x_87 = x_16;
 } else {
  lean_dec_ref(x_16);
- x_92 = lean_box(0);
+ x_87 = lean_box(0);
 }
-x_93 = lean_ctor_get(x_17, 0);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_17, 1);
-lean_inc(x_94);
+x_88 = lean_ctor_get(x_17, 0);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_17, 1);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_17, 3);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_17, 4);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_17, 5);
+lean_inc(x_92);
 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_95 = x_17;
+ lean_ctor_release(x_17, 3);
+ lean_ctor_release(x_17, 4);
+ lean_ctor_release(x_17, 5);
+ x_93 = x_17;
 } else {
  lean_dec_ref(x_17);
- x_95 = lean_box(0);
+ x_93 = lean_box(0);
 }
-if (lean_is_scalar(x_95)) {
- x_96 = lean_alloc_ctor(0, 3, 0);
+x_94 = lean_ctor_get(x_18, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_18, 1);
+lean_inc(x_95);
+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_96 = x_18;
 } else {
- x_96 = x_95;
+ lean_dec_ref(x_18);
+ x_96 = lean_box(0);
 }
-lean_ctor_set(x_96, 0, x_93);
-lean_ctor_set(x_96, 1, x_94);
-lean_ctor_set(x_96, 2, x_9);
-if (lean_is_scalar(x_92)) {
- x_97 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_97 = x_92;
+ x_97 = x_96;
 }
-lean_ctor_set(x_97, 0, x_87);
-lean_ctor_set(x_97, 1, x_88);
-lean_ctor_set(x_97, 2, x_96);
-lean_ctor_set(x_97, 3, x_89);
-lean_ctor_set(x_97, 4, x_90);
-lean_ctor_set(x_97, 5, x_91);
-if (lean_is_scalar(x_86)) {
+lean_ctor_set(x_97, 0, x_94);
+lean_ctor_set(x_97, 1, x_95);
+lean_ctor_set(x_97, 2, x_9);
+if (lean_is_scalar(x_93)) {
  x_98 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_98 = x_86;
+ x_98 = x_93;
 }
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_81);
-lean_ctor_set(x_98, 2, x_82);
-lean_ctor_set(x_98, 3, x_83);
-lean_ctor_set(x_98, 4, x_84);
-lean_ctor_set(x_98, 5, x_85);
-if (lean_is_scalar(x_80)) {
- x_99 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_98, 0, x_88);
+lean_ctor_set(x_98, 1, x_89);
+lean_ctor_set(x_98, 2, x_97);
+lean_ctor_set(x_98, 3, x_90);
+lean_ctor_set(x_98, 4, x_91);
+lean_ctor_set(x_98, 5, x_92);
+if (lean_is_scalar(x_87)) {
+ x_99 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_99 = x_80;
+ x_99 = x_87;
 }
 lean_ctor_set(x_99, 0, x_98);
-lean_ctor_set(x_99, 1, x_79);
-x_100 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_100, 0, x_78);
-lean_ctor_set(x_100, 1, x_99);
-return x_100;
+lean_ctor_set(x_99, 1, x_82);
+lean_ctor_set(x_99, 2, x_83);
+lean_ctor_set(x_99, 3, x_84);
+lean_ctor_set(x_99, 4, x_85);
+lean_ctor_set(x_99, 5, x_86);
+if (lean_is_scalar(x_81)) {
+ x_100 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_100 = x_81;
+}
+lean_ctor_set(x_100, 0, x_99);
+lean_ctor_set(x_100, 1, x_80);
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_79);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
 }
 }
 else
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
-x_101 = lean_ctor_get(x_13, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_102, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_103, 2);
-lean_inc(x_104);
-x_105 = !lean_is_exclusive(x_13);
-if (x_105 == 0)
+uint8_t x_102; 
+x_102 = !lean_is_exclusive(x_14);
+if (x_102 == 0)
 {
-lean_object* x_106; uint8_t x_107; 
-x_106 = lean_ctor_get(x_13, 1);
-lean_dec(x_106);
-x_107 = !lean_is_exclusive(x_101);
-if (x_107 == 0)
-{
-lean_object* x_108; uint8_t x_109; 
-x_108 = lean_ctor_get(x_101, 0);
-lean_dec(x_108);
-x_109 = !lean_is_exclusive(x_102);
-if (x_109 == 0)
-{
-lean_object* x_110; uint8_t x_111; 
-x_110 = lean_ctor_get(x_102, 0);
-lean_dec(x_110);
-x_111 = !lean_is_exclusive(x_103);
-if (x_111 == 0)
-{
-lean_object* x_112; uint8_t x_113; 
-x_112 = lean_ctor_get(x_103, 2);
-lean_dec(x_112);
-x_113 = !lean_is_exclusive(x_104);
-if (x_113 == 0)
-{
-lean_object* x_114; 
-x_114 = lean_ctor_get(x_104, 2);
-lean_dec(x_114);
-lean_ctor_set(x_104, 2, x_9);
-return x_13;
-}
-else
-{
-lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-x_115 = lean_ctor_get(x_104, 0);
-x_116 = lean_ctor_get(x_104, 1);
-lean_inc(x_116);
-lean_inc(x_115);
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_103 = lean_ctor_get(x_14, 1);
+x_104 = l_Lean_Elab_Tactic_restore(x_103, x_13);
+lean_dec(x_13);
+x_105 = lean_ctor_get(x_104, 0);
+lean_inc(x_105);
 lean_dec(x_104);
-x_117 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_117, 0, x_115);
+x_106 = lean_ctor_get(x_105, 0);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_106, 2);
+lean_inc(x_107);
+x_108 = !lean_is_exclusive(x_105);
+if (x_108 == 0)
+{
+lean_object* x_109; uint8_t x_110; 
+x_109 = lean_ctor_get(x_105, 0);
+lean_dec(x_109);
+x_110 = !lean_is_exclusive(x_106);
+if (x_110 == 0)
+{
+lean_object* x_111; uint8_t x_112; 
+x_111 = lean_ctor_get(x_106, 2);
+lean_dec(x_111);
+x_112 = !lean_is_exclusive(x_107);
+if (x_112 == 0)
+{
+lean_object* x_113; uint8_t x_114; 
+x_113 = lean_ctor_get(x_107, 2);
+lean_dec(x_113);
+lean_ctor_set(x_107, 2, x_9);
+x_114 = !lean_is_exclusive(x_12);
+if (x_114 == 0)
+{
+lean_object* x_115; 
+x_115 = lean_ctor_get(x_12, 0);
+lean_dec(x_115);
+lean_ctor_set(x_12, 0, x_105);
+lean_ctor_set(x_14, 1, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_116; lean_object* x_117; 
+x_116 = lean_ctor_get(x_12, 1);
+lean_inc(x_116);
+lean_dec(x_12);
+x_117 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_117, 0, x_105);
 lean_ctor_set(x_117, 1, x_116);
-lean_ctor_set(x_117, 2, x_9);
-lean_ctor_set(x_103, 2, x_117);
-return x_13;
+lean_ctor_set(x_14, 1, x_117);
+return x_14;
 }
 }
 else
 {
-lean_object* x_118; 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_118 = lean_ctor_get(x_103, 0);
-x_119 = lean_ctor_get(x_103, 1);
-x_120 = lean_ctor_get(x_103, 3);
-x_121 = lean_ctor_get(x_103, 4);
-x_122 = lean_ctor_get(x_103, 5);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_inc(x_120);
+lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_118 = lean_ctor_get(x_107, 0);
+x_119 = lean_ctor_get(x_107, 1);
 lean_inc(x_119);
 lean_inc(x_118);
-lean_dec(x_103);
-x_123 = lean_ctor_get(x_104, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_104, 1);
-lean_inc(x_124);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- lean_ctor_release(x_104, 2);
- x_125 = x_104;
+lean_dec(x_107);
+x_120 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_120, 0, x_118);
+lean_ctor_set(x_120, 1, x_119);
+lean_ctor_set(x_120, 2, x_9);
+lean_ctor_set(x_106, 2, x_120);
+x_121 = lean_ctor_get(x_12, 1);
+lean_inc(x_121);
+if (lean_is_exclusive(x_12)) {
+ lean_ctor_release(x_12, 0);
+ lean_ctor_release(x_12, 1);
+ x_122 = x_12;
 } else {
- lean_dec_ref(x_104);
- x_125 = lean_box(0);
+ lean_dec_ref(x_12);
+ x_122 = lean_box(0);
 }
-if (lean_is_scalar(x_125)) {
- x_126 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_122)) {
+ x_123 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_126 = x_125;
+ x_123 = x_122;
 }
-lean_ctor_set(x_126, 0, x_123);
-lean_ctor_set(x_126, 1, x_124);
-lean_ctor_set(x_126, 2, x_9);
-x_127 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_127, 0, x_118);
-lean_ctor_set(x_127, 1, x_119);
-lean_ctor_set(x_127, 2, x_126);
-lean_ctor_set(x_127, 3, x_120);
-lean_ctor_set(x_127, 4, x_121);
-lean_ctor_set(x_127, 5, x_122);
-lean_ctor_set(x_102, 0, x_127);
-return x_13;
+lean_ctor_set(x_123, 0, x_105);
+lean_ctor_set(x_123, 1, x_121);
+lean_ctor_set(x_14, 1, x_123);
+return x_14;
 }
 }
 else
 {
-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; 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_128 = lean_ctor_get(x_102, 1);
-x_129 = lean_ctor_get(x_102, 2);
-x_130 = lean_ctor_get(x_102, 3);
-x_131 = lean_ctor_get(x_102, 4);
-x_132 = lean_ctor_get(x_102, 5);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_inc(x_129);
+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; 
+x_124 = lean_ctor_get(x_106, 0);
+x_125 = lean_ctor_get(x_106, 1);
+x_126 = lean_ctor_get(x_106, 3);
+x_127 = lean_ctor_get(x_106, 4);
+x_128 = lean_ctor_get(x_106, 5);
 lean_inc(x_128);
-lean_dec(x_102);
-x_133 = lean_ctor_get(x_103, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_103, 1);
+lean_inc(x_127);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_dec(x_106);
+x_129 = lean_ctor_get(x_107, 0);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_107, 1);
+lean_inc(x_130);
+if (lean_is_exclusive(x_107)) {
+ lean_ctor_release(x_107, 0);
+ lean_ctor_release(x_107, 1);
+ lean_ctor_release(x_107, 2);
+ x_131 = x_107;
+} else {
+ lean_dec_ref(x_107);
+ x_131 = lean_box(0);
+}
+if (lean_is_scalar(x_131)) {
+ x_132 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_132 = x_131;
+}
+lean_ctor_set(x_132, 0, x_129);
+lean_ctor_set(x_132, 1, x_130);
+lean_ctor_set(x_132, 2, x_9);
+x_133 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_133, 0, x_124);
+lean_ctor_set(x_133, 1, x_125);
+lean_ctor_set(x_133, 2, x_132);
+lean_ctor_set(x_133, 3, x_126);
+lean_ctor_set(x_133, 4, x_127);
+lean_ctor_set(x_133, 5, x_128);
+lean_ctor_set(x_105, 0, x_133);
+x_134 = lean_ctor_get(x_12, 1);
 lean_inc(x_134);
-x_135 = lean_ctor_get(x_103, 3);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_103, 4);
-lean_inc(x_136);
-x_137 = lean_ctor_get(x_103, 5);
-lean_inc(x_137);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- lean_ctor_release(x_103, 2);
- lean_ctor_release(x_103, 3);
- lean_ctor_release(x_103, 4);
- lean_ctor_release(x_103, 5);
- x_138 = x_103;
+if (lean_is_exclusive(x_12)) {
+ lean_ctor_release(x_12, 0);
+ lean_ctor_release(x_12, 1);
+ x_135 = x_12;
 } else {
- lean_dec_ref(x_103);
- x_138 = lean_box(0);
+ lean_dec_ref(x_12);
+ x_135 = lean_box(0);
 }
-x_139 = lean_ctor_get(x_104, 0);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_104, 1);
+if (lean_is_scalar(x_135)) {
+ x_136 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_136 = x_135;
+}
+lean_ctor_set(x_136, 0, x_105);
+lean_ctor_set(x_136, 1, x_134);
+lean_ctor_set(x_14, 1, x_136);
+return x_14;
+}
+}
+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; 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_156; 
+x_137 = lean_ctor_get(x_105, 1);
+x_138 = lean_ctor_get(x_105, 2);
+x_139 = lean_ctor_get(x_105, 3);
+x_140 = lean_ctor_get(x_105, 4);
+x_141 = lean_ctor_get(x_105, 5);
+lean_inc(x_141);
 lean_inc(x_140);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- lean_ctor_release(x_104, 2);
- x_141 = x_104;
-} else {
- lean_dec_ref(x_104);
- x_141 = lean_box(0);
-}
-if (lean_is_scalar(x_141)) {
- x_142 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_142 = x_141;
-}
-lean_ctor_set(x_142, 0, x_139);
-lean_ctor_set(x_142, 1, x_140);
-lean_ctor_set(x_142, 2, x_9);
-if (lean_is_scalar(x_138)) {
- x_143 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_143 = x_138;
-}
-lean_ctor_set(x_143, 0, x_133);
-lean_ctor_set(x_143, 1, x_134);
-lean_ctor_set(x_143, 2, x_142);
-lean_ctor_set(x_143, 3, x_135);
-lean_ctor_set(x_143, 4, x_136);
-lean_ctor_set(x_143, 5, x_137);
-x_144 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_128);
-lean_ctor_set(x_144, 2, x_129);
-lean_ctor_set(x_144, 3, x_130);
-lean_ctor_set(x_144, 4, x_131);
-lean_ctor_set(x_144, 5, x_132);
-lean_ctor_set(x_101, 0, x_144);
-return x_13;
-}
-}
-else
-{
-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_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; lean_object* x_164; 
-x_145 = lean_ctor_get(x_101, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_inc(x_137);
+lean_dec(x_105);
+x_142 = lean_ctor_get(x_106, 0);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_106, 1);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_106, 3);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_106, 4);
 lean_inc(x_145);
-lean_dec(x_101);
-x_146 = lean_ctor_get(x_102, 1);
+x_146 = lean_ctor_get(x_106, 5);
 lean_inc(x_146);
-x_147 = lean_ctor_get(x_102, 2);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_102, 3);
+if (lean_is_exclusive(x_106)) {
+ lean_ctor_release(x_106, 0);
+ lean_ctor_release(x_106, 1);
+ lean_ctor_release(x_106, 2);
+ lean_ctor_release(x_106, 3);
+ lean_ctor_release(x_106, 4);
+ lean_ctor_release(x_106, 5);
+ x_147 = x_106;
+} else {
+ lean_dec_ref(x_106);
+ x_147 = lean_box(0);
+}
+x_148 = lean_ctor_get(x_107, 0);
 lean_inc(x_148);
-x_149 = lean_ctor_get(x_102, 4);
+x_149 = lean_ctor_get(x_107, 1);
 lean_inc(x_149);
-x_150 = lean_ctor_get(x_102, 5);
-lean_inc(x_150);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- lean_ctor_release(x_102, 3);
- lean_ctor_release(x_102, 4);
- lean_ctor_release(x_102, 5);
- x_151 = x_102;
+if (lean_is_exclusive(x_107)) {
+ lean_ctor_release(x_107, 0);
+ lean_ctor_release(x_107, 1);
+ lean_ctor_release(x_107, 2);
+ x_150 = x_107;
 } else {
- lean_dec_ref(x_102);
- x_151 = lean_box(0);
+ lean_dec_ref(x_107);
+ x_150 = lean_box(0);
 }
-x_152 = lean_ctor_get(x_103, 0);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_103, 1);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_103, 3);
+if (lean_is_scalar(x_150)) {
+ x_151 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_151 = x_150;
+}
+lean_ctor_set(x_151, 0, x_148);
+lean_ctor_set(x_151, 1, x_149);
+lean_ctor_set(x_151, 2, x_9);
+if (lean_is_scalar(x_147)) {
+ x_152 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_152 = x_147;
+}
+lean_ctor_set(x_152, 0, x_142);
+lean_ctor_set(x_152, 1, x_143);
+lean_ctor_set(x_152, 2, x_151);
+lean_ctor_set(x_152, 3, x_144);
+lean_ctor_set(x_152, 4, x_145);
+lean_ctor_set(x_152, 5, x_146);
+x_153 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_153, 0, x_152);
+lean_ctor_set(x_153, 1, x_137);
+lean_ctor_set(x_153, 2, x_138);
+lean_ctor_set(x_153, 3, x_139);
+lean_ctor_set(x_153, 4, x_140);
+lean_ctor_set(x_153, 5, x_141);
+x_154 = lean_ctor_get(x_12, 1);
 lean_inc(x_154);
-x_155 = lean_ctor_get(x_103, 4);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_103, 5);
-lean_inc(x_156);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- lean_ctor_release(x_103, 2);
- lean_ctor_release(x_103, 3);
- lean_ctor_release(x_103, 4);
- lean_ctor_release(x_103, 5);
- x_157 = x_103;
+if (lean_is_exclusive(x_12)) {
+ lean_ctor_release(x_12, 0);
+ lean_ctor_release(x_12, 1);
+ x_155 = x_12;
 } else {
- lean_dec_ref(x_103);
- x_157 = lean_box(0);
+ lean_dec_ref(x_12);
+ x_155 = lean_box(0);
 }
-x_158 = lean_ctor_get(x_104, 0);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_104, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- lean_ctor_release(x_104, 2);
- x_160 = x_104;
+if (lean_is_scalar(x_155)) {
+ x_156 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_104);
- x_160 = lean_box(0);
+ x_156 = x_155;
 }
-if (lean_is_scalar(x_160)) {
- x_161 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_161 = x_160;
-}
-lean_ctor_set(x_161, 0, x_158);
-lean_ctor_set(x_161, 1, x_159);
-lean_ctor_set(x_161, 2, x_9);
-if (lean_is_scalar(x_157)) {
- x_162 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_162 = x_157;
-}
-lean_ctor_set(x_162, 0, x_152);
-lean_ctor_set(x_162, 1, x_153);
-lean_ctor_set(x_162, 2, x_161);
-lean_ctor_set(x_162, 3, x_154);
-lean_ctor_set(x_162, 4, x_155);
-lean_ctor_set(x_162, 5, x_156);
-if (lean_is_scalar(x_151)) {
- x_163 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_163 = x_151;
-}
-lean_ctor_set(x_163, 0, x_162);
-lean_ctor_set(x_163, 1, x_146);
-lean_ctor_set(x_163, 2, x_147);
-lean_ctor_set(x_163, 3, x_148);
-lean_ctor_set(x_163, 4, x_149);
-lean_ctor_set(x_163, 5, x_150);
-x_164 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_164, 0, x_163);
-lean_ctor_set(x_164, 1, x_145);
-lean_ctor_set(x_13, 1, x_164);
-return x_13;
+lean_ctor_set(x_156, 0, x_153);
+lean_ctor_set(x_156, 1, x_154);
+lean_ctor_set(x_14, 1, x_156);
+return x_14;
 }
 }
 else
 {
-lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 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; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 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_165 = lean_ctor_get(x_13, 0);
-lean_inc(x_165);
+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_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 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; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+x_157 = lean_ctor_get(x_14, 0);
+x_158 = lean_ctor_get(x_14, 1);
+lean_inc(x_158);
+lean_inc(x_157);
+lean_dec(x_14);
+x_159 = l_Lean_Elab_Tactic_restore(x_158, x_13);
 lean_dec(x_13);
-x_166 = lean_ctor_get(x_101, 1);
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+lean_dec(x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_161, 2);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_160, 1);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_160, 2);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_160, 3);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_160, 4);
 lean_inc(x_166);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- x_167 = x_101;
+x_167 = lean_ctor_get(x_160, 5);
+lean_inc(x_167);
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ lean_ctor_release(x_160, 2);
+ lean_ctor_release(x_160, 3);
+ lean_ctor_release(x_160, 4);
+ lean_ctor_release(x_160, 5);
+ x_168 = x_160;
 } else {
- lean_dec_ref(x_101);
- x_167 = lean_box(0);
+ lean_dec_ref(x_160);
+ x_168 = lean_box(0);
 }
-x_168 = lean_ctor_get(x_102, 1);
-lean_inc(x_168);
-x_169 = lean_ctor_get(x_102, 2);
+x_169 = lean_ctor_get(x_161, 0);
 lean_inc(x_169);
-x_170 = lean_ctor_get(x_102, 3);
+x_170 = lean_ctor_get(x_161, 1);
 lean_inc(x_170);
-x_171 = lean_ctor_get(x_102, 4);
+x_171 = lean_ctor_get(x_161, 3);
 lean_inc(x_171);
-x_172 = lean_ctor_get(x_102, 5);
+x_172 = lean_ctor_get(x_161, 4);
 lean_inc(x_172);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- lean_ctor_release(x_102, 2);
- lean_ctor_release(x_102, 3);
- lean_ctor_release(x_102, 4);
- lean_ctor_release(x_102, 5);
- x_173 = x_102;
+x_173 = lean_ctor_get(x_161, 5);
+lean_inc(x_173);
+if (lean_is_exclusive(x_161)) {
+ lean_ctor_release(x_161, 0);
+ lean_ctor_release(x_161, 1);
+ lean_ctor_release(x_161, 2);
+ lean_ctor_release(x_161, 3);
+ lean_ctor_release(x_161, 4);
+ lean_ctor_release(x_161, 5);
+ x_174 = x_161;
 } else {
- lean_dec_ref(x_102);
- x_173 = lean_box(0);
+ lean_dec_ref(x_161);
+ x_174 = lean_box(0);
 }
-x_174 = lean_ctor_get(x_103, 0);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_103, 1);
+x_175 = lean_ctor_get(x_162, 0);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_103, 3);
+x_176 = lean_ctor_get(x_162, 1);
 lean_inc(x_176);
-x_177 = lean_ctor_get(x_103, 4);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_103, 5);
-lean_inc(x_178);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- lean_ctor_release(x_103, 2);
- lean_ctor_release(x_103, 3);
- lean_ctor_release(x_103, 4);
- lean_ctor_release(x_103, 5);
- x_179 = x_103;
+if (lean_is_exclusive(x_162)) {
+ lean_ctor_release(x_162, 0);
+ lean_ctor_release(x_162, 1);
+ lean_ctor_release(x_162, 2);
+ x_177 = x_162;
 } else {
- lean_dec_ref(x_103);
- x_179 = lean_box(0);
+ lean_dec_ref(x_162);
+ x_177 = lean_box(0);
 }
-x_180 = lean_ctor_get(x_104, 0);
-lean_inc(x_180);
-x_181 = lean_ctor_get(x_104, 1);
-lean_inc(x_181);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- lean_ctor_release(x_104, 2);
- x_182 = x_104;
+if (lean_is_scalar(x_177)) {
+ x_178 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_104);
+ 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_9);
+if (lean_is_scalar(x_174)) {
+ x_179 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_179 = x_174;
+}
+lean_ctor_set(x_179, 0, x_169);
+lean_ctor_set(x_179, 1, x_170);
+lean_ctor_set(x_179, 2, x_178);
+lean_ctor_set(x_179, 3, x_171);
+lean_ctor_set(x_179, 4, x_172);
+lean_ctor_set(x_179, 5, x_173);
+if (lean_is_scalar(x_168)) {
+ x_180 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_180 = x_168;
+}
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_163);
+lean_ctor_set(x_180, 2, x_164);
+lean_ctor_set(x_180, 3, x_165);
+lean_ctor_set(x_180, 4, x_166);
+lean_ctor_set(x_180, 5, x_167);
+x_181 = lean_ctor_get(x_12, 1);
+lean_inc(x_181);
+if (lean_is_exclusive(x_12)) {
+ lean_ctor_release(x_12, 0);
+ lean_ctor_release(x_12, 1);
+ x_182 = x_12;
+} else {
+ lean_dec_ref(x_12);
  x_182 = lean_box(0);
 }
 if (lean_is_scalar(x_182)) {
- x_183 = lean_alloc_ctor(0, 3, 0);
+ x_183 = lean_alloc_ctor(0, 2, 0);
 } else {
  x_183 = x_182;
 }
 lean_ctor_set(x_183, 0, x_180);
 lean_ctor_set(x_183, 1, x_181);
-lean_ctor_set(x_183, 2, x_9);
-if (lean_is_scalar(x_179)) {
- x_184 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_184 = x_179;
-}
-lean_ctor_set(x_184, 0, x_174);
-lean_ctor_set(x_184, 1, x_175);
-lean_ctor_set(x_184, 2, x_183);
-lean_ctor_set(x_184, 3, x_176);
-lean_ctor_set(x_184, 4, x_177);
-lean_ctor_set(x_184, 5, x_178);
-if (lean_is_scalar(x_173)) {
- x_185 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_185 = x_173;
-}
-lean_ctor_set(x_185, 0, x_184);
-lean_ctor_set(x_185, 1, x_168);
-lean_ctor_set(x_185, 2, x_169);
-lean_ctor_set(x_185, 3, x_170);
-lean_ctor_set(x_185, 4, x_171);
-lean_ctor_set(x_185, 5, x_172);
-if (lean_is_scalar(x_167)) {
- x_186 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_186 = x_167;
-}
-lean_ctor_set(x_186, 0, x_185);
-lean_ctor_set(x_186, 1, x_166);
-x_187 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_187, 0, x_165);
-lean_ctor_set(x_187, 1, x_186);
-return x_187;
+x_184 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_184, 0, x_157);
+lean_ctor_set(x_184, 1, x_183);
+return x_184;
 }
 }
 }
 else
 {
-uint8_t x_188; 
+uint8_t x_185; 
 lean_dec(x_9);
 lean_dec(x_3);
 lean_dec(x_2);
-x_188 = !lean_is_exclusive(x_11);
-if (x_188 == 0)
+x_185 = !lean_is_exclusive(x_11);
+if (x_185 == 0)
 {
 return x_11;
 }
 else
 {
-lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-x_189 = lean_ctor_get(x_11, 0);
-x_190 = lean_ctor_get(x_11, 1);
-lean_inc(x_190);
-lean_inc(x_189);
+lean_object* x_186; lean_object* x_187; lean_object* x_188; 
+x_186 = lean_ctor_get(x_11, 0);
+x_187 = lean_ctor_get(x_11, 1);
+lean_inc(x_187);
+lean_inc(x_186);
 lean_dec(x_11);
-x_191 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_191, 0, x_189);
-lean_ctor_set(x_191, 1, x_190);
-return x_191;
+x_188 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_188, 0, x_186);
+lean_ctor_set(x_188, 1, x_187);
+return x_188;
 }
 }
 }
@@ -8058,234 +8523,216 @@ lean_inc(x_22);
 x_32 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_31, x_22, x_9);
 if (lean_obj_tag(x_32) == 0)
 {
-lean_object* x_33; lean_object* x_34; 
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 x_33 = lean_ctor_get(x_32, 1);
 lean_inc(x_33);
 lean_dec(x_32);
-x_34 = lean_apply_2(x_2, x_22, x_33);
-if (lean_obj_tag(x_34) == 0)
+x_34 = l_Lean_Elab_Tactic_save(x_33);
+lean_inc(x_33);
+x_35 = lean_apply_2(x_2, x_22, x_33);
+if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-x_35 = lean_ctor_get(x_34, 1);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_35, 0);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+lean_dec(x_34);
+lean_dec(x_33);
+x_36 = lean_ctor_get(x_35, 1);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
-x_38 = lean_ctor_get(x_37, 2);
+x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
-x_39 = !lean_is_exclusive(x_34);
-if (x_39 == 0)
+x_39 = lean_ctor_get(x_38, 2);
+lean_inc(x_39);
+x_40 = !lean_is_exclusive(x_35);
+if (x_40 == 0)
 {
-lean_object* x_40; uint8_t x_41; 
-x_40 = lean_ctor_get(x_34, 1);
-lean_dec(x_40);
-x_41 = !lean_is_exclusive(x_35);
-if (x_41 == 0)
+lean_object* x_41; uint8_t x_42; 
+x_41 = lean_ctor_get(x_35, 1);
+lean_dec(x_41);
+x_42 = !lean_is_exclusive(x_36);
+if (x_42 == 0)
 {
-lean_object* x_42; uint8_t x_43; 
-x_42 = lean_ctor_get(x_35, 0);
-lean_dec(x_42);
-x_43 = !lean_is_exclusive(x_36);
-if (x_43 == 0)
+lean_object* x_43; uint8_t x_44; 
+x_43 = lean_ctor_get(x_36, 0);
+lean_dec(x_43);
+x_44 = !lean_is_exclusive(x_37);
+if (x_44 == 0)
 {
-lean_object* x_44; uint8_t x_45; 
-x_44 = lean_ctor_get(x_36, 0);
-lean_dec(x_44);
-x_45 = !lean_is_exclusive(x_37);
-if (x_45 == 0)
+lean_object* x_45; uint8_t x_46; 
+x_45 = lean_ctor_get(x_37, 0);
+lean_dec(x_45);
+x_46 = !lean_is_exclusive(x_38);
+if (x_46 == 0)
 {
-lean_object* x_46; uint8_t x_47; 
-x_46 = lean_ctor_get(x_37, 2);
-lean_dec(x_46);
-x_47 = !lean_is_exclusive(x_38);
-if (x_47 == 0)
+lean_object* x_47; uint8_t x_48; 
+x_47 = lean_ctor_get(x_38, 2);
+lean_dec(x_47);
+x_48 = !lean_is_exclusive(x_39);
+if (x_48 == 0)
 {
-lean_object* x_48; 
-x_48 = lean_ctor_get(x_38, 2);
-lean_dec(x_48);
-lean_ctor_set(x_38, 2, x_30);
-return x_34;
+lean_object* x_49; 
+x_49 = lean_ctor_get(x_39, 2);
+lean_dec(x_49);
+lean_ctor_set(x_39, 2, x_30);
+return x_35;
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_38, 0);
-x_50 = lean_ctor_get(x_38, 1);
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_39, 0);
+x_51 = lean_ctor_get(x_39, 1);
+lean_inc(x_51);
 lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_38);
-x_51 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-lean_ctor_set(x_51, 2, x_30);
-lean_ctor_set(x_37, 2, x_51);
-return x_34;
+lean_dec(x_39);
+x_52 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+lean_ctor_set(x_52, 2, x_30);
+lean_ctor_set(x_38, 2, x_52);
+return x_35;
 }
 }
 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; lean_object* x_61; 
-x_52 = lean_ctor_get(x_37, 0);
-x_53 = lean_ctor_get(x_37, 1);
-x_54 = lean_ctor_get(x_37, 3);
-x_55 = lean_ctor_get(x_37, 4);
-x_56 = lean_ctor_get(x_37, 5);
+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; 
+x_53 = lean_ctor_get(x_38, 0);
+x_54 = lean_ctor_get(x_38, 1);
+x_55 = lean_ctor_get(x_38, 3);
+x_56 = lean_ctor_get(x_38, 4);
+x_57 = lean_ctor_get(x_38, 5);
+lean_inc(x_57);
 lean_inc(x_56);
 lean_inc(x_55);
 lean_inc(x_54);
 lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_37);
-x_57 = lean_ctor_get(x_38, 0);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_38, 1);
+lean_dec(x_38);
+x_58 = lean_ctor_get(x_39, 0);
 lean_inc(x_58);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- lean_ctor_release(x_38, 1);
- lean_ctor_release(x_38, 2);
- x_59 = x_38;
+x_59 = lean_ctor_get(x_39, 1);
+lean_inc(x_59);
+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_60 = x_39;
 } else {
- lean_dec_ref(x_38);
- x_59 = lean_box(0);
+ lean_dec_ref(x_39);
+ x_60 = lean_box(0);
 }
-if (lean_is_scalar(x_59)) {
- x_60 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_60)) {
+ x_61 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_60 = x_59;
+ x_61 = x_60;
 }
-lean_ctor_set(x_60, 0, x_57);
-lean_ctor_set(x_60, 1, x_58);
-lean_ctor_set(x_60, 2, x_30);
-x_61 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_61, 0, x_52);
-lean_ctor_set(x_61, 1, x_53);
-lean_ctor_set(x_61, 2, x_60);
-lean_ctor_set(x_61, 3, x_54);
-lean_ctor_set(x_61, 4, x_55);
-lean_ctor_set(x_61, 5, x_56);
-lean_ctor_set(x_36, 0, x_61);
-return x_34;
+lean_ctor_set(x_61, 0, x_58);
+lean_ctor_set(x_61, 1, x_59);
+lean_ctor_set(x_61, 2, x_30);
+x_62 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_62, 0, x_53);
+lean_ctor_set(x_62, 1, x_54);
+lean_ctor_set(x_62, 2, x_61);
+lean_ctor_set(x_62, 3, x_55);
+lean_ctor_set(x_62, 4, x_56);
+lean_ctor_set(x_62, 5, x_57);
+lean_ctor_set(x_37, 0, x_62);
+return x_35;
 }
 }
 else
 {
-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; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 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_62 = lean_ctor_get(x_36, 1);
-x_63 = lean_ctor_get(x_36, 2);
-x_64 = lean_ctor_get(x_36, 3);
-x_65 = lean_ctor_get(x_36, 4);
-x_66 = lean_ctor_get(x_36, 5);
+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; lean_object* x_71; lean_object* x_72; 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; 
+x_63 = lean_ctor_get(x_37, 1);
+x_64 = lean_ctor_get(x_37, 2);
+x_65 = lean_ctor_get(x_37, 3);
+x_66 = lean_ctor_get(x_37, 4);
+x_67 = lean_ctor_get(x_37, 5);
+lean_inc(x_67);
 lean_inc(x_66);
 lean_inc(x_65);
 lean_inc(x_64);
 lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_36);
-x_67 = lean_ctor_get(x_37, 0);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_37, 1);
+lean_dec(x_37);
+x_68 = lean_ctor_get(x_38, 0);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_37, 3);
+x_69 = lean_ctor_get(x_38, 1);
 lean_inc(x_69);
-x_70 = lean_ctor_get(x_37, 4);
+x_70 = lean_ctor_get(x_38, 3);
 lean_inc(x_70);
-x_71 = lean_ctor_get(x_37, 5);
+x_71 = lean_ctor_get(x_38, 4);
 lean_inc(x_71);
-if (lean_is_exclusive(x_37)) {
- lean_ctor_release(x_37, 0);
- lean_ctor_release(x_37, 1);
- lean_ctor_release(x_37, 2);
- lean_ctor_release(x_37, 3);
- lean_ctor_release(x_37, 4);
- lean_ctor_release(x_37, 5);
- x_72 = x_37;
-} else {
- lean_dec_ref(x_37);
- x_72 = lean_box(0);
-}
-x_73 = lean_ctor_get(x_38, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_38, 1);
-lean_inc(x_74);
+x_72 = lean_ctor_get(x_38, 5);
+lean_inc(x_72);
 if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 0);
  lean_ctor_release(x_38, 1);
  lean_ctor_release(x_38, 2);
- x_75 = x_38;
+ lean_ctor_release(x_38, 3);
+ lean_ctor_release(x_38, 4);
+ lean_ctor_release(x_38, 5);
+ x_73 = x_38;
 } else {
  lean_dec_ref(x_38);
- x_75 = lean_box(0);
+ x_73 = lean_box(0);
 }
-if (lean_is_scalar(x_75)) {
- x_76 = lean_alloc_ctor(0, 3, 0);
+x_74 = lean_ctor_get(x_39, 0);
+lean_inc(x_74);
+x_75 = lean_ctor_get(x_39, 1);
+lean_inc(x_75);
+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_76 = x_39;
 } else {
- x_76 = x_75;
+ lean_dec_ref(x_39);
+ x_76 = lean_box(0);
 }
-lean_ctor_set(x_76, 0, x_73);
-lean_ctor_set(x_76, 1, x_74);
-lean_ctor_set(x_76, 2, x_30);
-if (lean_is_scalar(x_72)) {
- x_77 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_76)) {
+ x_77 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_77 = x_72;
+ x_77 = x_76;
 }
-lean_ctor_set(x_77, 0, x_67);
-lean_ctor_set(x_77, 1, x_68);
-lean_ctor_set(x_77, 2, x_76);
-lean_ctor_set(x_77, 3, x_69);
-lean_ctor_set(x_77, 4, x_70);
-lean_ctor_set(x_77, 5, x_71);
-x_78 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_78, 0, x_77);
-lean_ctor_set(x_78, 1, x_62);
-lean_ctor_set(x_78, 2, x_63);
-lean_ctor_set(x_78, 3, x_64);
-lean_ctor_set(x_78, 4, x_65);
-lean_ctor_set(x_78, 5, x_66);
-lean_ctor_set(x_35, 0, x_78);
-return x_34;
+lean_ctor_set(x_77, 0, x_74);
+lean_ctor_set(x_77, 1, x_75);
+lean_ctor_set(x_77, 2, x_30);
+if (lean_is_scalar(x_73)) {
+ x_78 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_78 = x_73;
+}
+lean_ctor_set(x_78, 0, x_68);
+lean_ctor_set(x_78, 1, x_69);
+lean_ctor_set(x_78, 2, x_77);
+lean_ctor_set(x_78, 3, x_70);
+lean_ctor_set(x_78, 4, x_71);
+lean_ctor_set(x_78, 5, x_72);
+x_79 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_63);
+lean_ctor_set(x_79, 2, x_64);
+lean_ctor_set(x_79, 3, x_65);
+lean_ctor_set(x_79, 4, x_66);
+lean_ctor_set(x_79, 5, x_67);
+lean_ctor_set(x_36, 0, x_79);
+return x_35;
 }
 }
 else
 {
-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; 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; 
-x_79 = lean_ctor_get(x_35, 1);
-lean_inc(x_79);
-lean_dec(x_35);
+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; 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; 
 x_80 = lean_ctor_get(x_36, 1);
 lean_inc(x_80);
-x_81 = lean_ctor_get(x_36, 2);
+lean_dec(x_36);
+x_81 = lean_ctor_get(x_37, 1);
 lean_inc(x_81);
-x_82 = lean_ctor_get(x_36, 3);
+x_82 = lean_ctor_get(x_37, 2);
 lean_inc(x_82);
-x_83 = lean_ctor_get(x_36, 4);
+x_83 = lean_ctor_get(x_37, 3);
 lean_inc(x_83);
-x_84 = lean_ctor_get(x_36, 5);
+x_84 = lean_ctor_get(x_37, 4);
 lean_inc(x_84);
-if (lean_is_exclusive(x_36)) {
- lean_ctor_release(x_36, 0);
- lean_ctor_release(x_36, 1);
- lean_ctor_release(x_36, 2);
- lean_ctor_release(x_36, 3);
- lean_ctor_release(x_36, 4);
- lean_ctor_release(x_36, 5);
- x_85 = x_36;
-} else {
- lean_dec_ref(x_36);
- x_85 = lean_box(0);
-}
-x_86 = lean_ctor_get(x_37, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_37, 1);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_37, 3);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_37, 4);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_37, 5);
-lean_inc(x_90);
+x_85 = lean_ctor_get(x_37, 5);
+lean_inc(x_85);
 if (lean_is_exclusive(x_37)) {
  lean_ctor_release(x_37, 0);
  lean_ctor_release(x_37, 1);
@@ -8293,109 +8740,109 @@ if (lean_is_exclusive(x_37)) {
  lean_ctor_release(x_37, 3);
  lean_ctor_release(x_37, 4);
  lean_ctor_release(x_37, 5);
- x_91 = x_37;
+ x_86 = x_37;
 } else {
  lean_dec_ref(x_37);
- x_91 = lean_box(0);
+ x_86 = lean_box(0);
 }
-x_92 = lean_ctor_get(x_38, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_38, 1);
-lean_inc(x_93);
+x_87 = lean_ctor_get(x_38, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_38, 1);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_38, 3);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_38, 4);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_38, 5);
+lean_inc(x_91);
 if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 0);
  lean_ctor_release(x_38, 1);
  lean_ctor_release(x_38, 2);
- x_94 = x_38;
+ lean_ctor_release(x_38, 3);
+ lean_ctor_release(x_38, 4);
+ lean_ctor_release(x_38, 5);
+ x_92 = x_38;
 } else {
  lean_dec_ref(x_38);
- x_94 = lean_box(0);
+ x_92 = lean_box(0);
 }
-if (lean_is_scalar(x_94)) {
- x_95 = lean_alloc_ctor(0, 3, 0);
+x_93 = lean_ctor_get(x_39, 0);
+lean_inc(x_93);
+x_94 = lean_ctor_get(x_39, 1);
+lean_inc(x_94);
+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_95 = x_39;
 } else {
- x_95 = x_94;
+ lean_dec_ref(x_39);
+ x_95 = lean_box(0);
 }
-lean_ctor_set(x_95, 0, x_92);
-lean_ctor_set(x_95, 1, x_93);
-lean_ctor_set(x_95, 2, x_30);
-if (lean_is_scalar(x_91)) {
- x_96 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_95)) {
+ x_96 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_96 = x_91;
+ x_96 = x_95;
 }
-lean_ctor_set(x_96, 0, x_86);
-lean_ctor_set(x_96, 1, x_87);
-lean_ctor_set(x_96, 2, x_95);
-lean_ctor_set(x_96, 3, x_88);
-lean_ctor_set(x_96, 4, x_89);
-lean_ctor_set(x_96, 5, x_90);
-if (lean_is_scalar(x_85)) {
+lean_ctor_set(x_96, 0, x_93);
+lean_ctor_set(x_96, 1, x_94);
+lean_ctor_set(x_96, 2, x_30);
+if (lean_is_scalar(x_92)) {
  x_97 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_97 = x_85;
+ x_97 = x_92;
+}
+lean_ctor_set(x_97, 0, x_87);
+lean_ctor_set(x_97, 1, x_88);
+lean_ctor_set(x_97, 2, x_96);
+lean_ctor_set(x_97, 3, x_89);
+lean_ctor_set(x_97, 4, x_90);
+lean_ctor_set(x_97, 5, x_91);
+if (lean_is_scalar(x_86)) {
+ x_98 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_98 = x_86;
 }
-lean_ctor_set(x_97, 0, x_96);
-lean_ctor_set(x_97, 1, x_80);
-lean_ctor_set(x_97, 2, x_81);
-lean_ctor_set(x_97, 3, x_82);
-lean_ctor_set(x_97, 4, x_83);
-lean_ctor_set(x_97, 5, x_84);
-x_98 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_79);
-lean_ctor_set(x_34, 1, x_98);
-return x_34;
+lean_ctor_set(x_98, 1, x_81);
+lean_ctor_set(x_98, 2, x_82);
+lean_ctor_set(x_98, 3, x_83);
+lean_ctor_set(x_98, 4, x_84);
+lean_ctor_set(x_98, 5, x_85);
+x_99 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_99, 0, x_98);
+lean_ctor_set(x_99, 1, x_80);
+lean_ctor_set(x_35, 1, x_99);
+return x_35;
 }
 }
 else
 {
-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; lean_object* x_106; lean_object* x_107; 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; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_99 = lean_ctor_get(x_34, 0);
-lean_inc(x_99);
-lean_dec(x_34);
-x_100 = lean_ctor_get(x_35, 1);
+lean_object* x_100; 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; 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; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_100 = lean_ctor_get(x_35, 0);
 lean_inc(x_100);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- x_101 = x_35;
-} else {
- lean_dec_ref(x_35);
- x_101 = lean_box(0);
-}
-x_102 = lean_ctor_get(x_36, 1);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_36, 2);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_36, 3);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_36, 4);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_36, 5);
-lean_inc(x_106);
+lean_dec(x_35);
+x_101 = lean_ctor_get(x_36, 1);
+lean_inc(x_101);
 if (lean_is_exclusive(x_36)) {
  lean_ctor_release(x_36, 0);
  lean_ctor_release(x_36, 1);
- lean_ctor_release(x_36, 2);
- lean_ctor_release(x_36, 3);
- lean_ctor_release(x_36, 4);
- lean_ctor_release(x_36, 5);
- x_107 = x_36;
+ x_102 = x_36;
 } else {
  lean_dec_ref(x_36);
- x_107 = lean_box(0);
+ x_102 = lean_box(0);
 }
-x_108 = lean_ctor_get(x_37, 0);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_37, 1);
-lean_inc(x_109);
-x_110 = lean_ctor_get(x_37, 3);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_37, 4);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_37, 5);
-lean_inc(x_112);
+x_103 = lean_ctor_get(x_37, 1);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_37, 2);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_37, 3);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_37, 4);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_37, 5);
+lean_inc(x_107);
 if (lean_is_exclusive(x_37)) {
  lean_ctor_release(x_37, 0);
  lean_ctor_release(x_37, 1);
@@ -8403,492 +8850,493 @@ if (lean_is_exclusive(x_37)) {
  lean_ctor_release(x_37, 3);
  lean_ctor_release(x_37, 4);
  lean_ctor_release(x_37, 5);
- x_113 = x_37;
+ x_108 = x_37;
 } else {
  lean_dec_ref(x_37);
- x_113 = lean_box(0);
+ x_108 = lean_box(0);
 }
-x_114 = lean_ctor_get(x_38, 0);
-lean_inc(x_114);
-x_115 = lean_ctor_get(x_38, 1);
-lean_inc(x_115);
+x_109 = lean_ctor_get(x_38, 0);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_38, 1);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_38, 3);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_38, 4);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_38, 5);
+lean_inc(x_113);
 if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 0);
  lean_ctor_release(x_38, 1);
  lean_ctor_release(x_38, 2);
- x_116 = x_38;
+ lean_ctor_release(x_38, 3);
+ lean_ctor_release(x_38, 4);
+ lean_ctor_release(x_38, 5);
+ x_114 = x_38;
 } else {
  lean_dec_ref(x_38);
- x_116 = lean_box(0);
+ x_114 = lean_box(0);
 }
-if (lean_is_scalar(x_116)) {
- x_117 = lean_alloc_ctor(0, 3, 0);
+x_115 = lean_ctor_get(x_39, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_39, 1);
+lean_inc(x_116);
+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_117 = x_39;
 } else {
- x_117 = x_116;
+ lean_dec_ref(x_39);
+ x_117 = lean_box(0);
 }
-lean_ctor_set(x_117, 0, x_114);
-lean_ctor_set(x_117, 1, x_115);
-lean_ctor_set(x_117, 2, x_30);
-if (lean_is_scalar(x_113)) {
- x_118 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_117)) {
+ x_118 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_118 = x_113;
+ x_118 = x_117;
 }
-lean_ctor_set(x_118, 0, x_108);
-lean_ctor_set(x_118, 1, x_109);
-lean_ctor_set(x_118, 2, x_117);
-lean_ctor_set(x_118, 3, x_110);
-lean_ctor_set(x_118, 4, x_111);
-lean_ctor_set(x_118, 5, x_112);
-if (lean_is_scalar(x_107)) {
+lean_ctor_set(x_118, 0, x_115);
+lean_ctor_set(x_118, 1, x_116);
+lean_ctor_set(x_118, 2, x_30);
+if (lean_is_scalar(x_114)) {
  x_119 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_119 = x_107;
+ x_119 = x_114;
 }
-lean_ctor_set(x_119, 0, x_118);
-lean_ctor_set(x_119, 1, x_102);
-lean_ctor_set(x_119, 2, x_103);
-lean_ctor_set(x_119, 3, x_104);
-lean_ctor_set(x_119, 4, x_105);
-lean_ctor_set(x_119, 5, x_106);
-if (lean_is_scalar(x_101)) {
- x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_119, 0, x_109);
+lean_ctor_set(x_119, 1, x_110);
+lean_ctor_set(x_119, 2, x_118);
+lean_ctor_set(x_119, 3, x_111);
+lean_ctor_set(x_119, 4, x_112);
+lean_ctor_set(x_119, 5, x_113);
+if (lean_is_scalar(x_108)) {
+ x_120 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_120 = x_101;
+ x_120 = x_108;
 }
 lean_ctor_set(x_120, 0, x_119);
-lean_ctor_set(x_120, 1, x_100);
-x_121 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_121, 0, x_99);
-lean_ctor_set(x_121, 1, x_120);
-return x_121;
+lean_ctor_set(x_120, 1, x_103);
+lean_ctor_set(x_120, 2, x_104);
+lean_ctor_set(x_120, 3, x_105);
+lean_ctor_set(x_120, 4, x_106);
+lean_ctor_set(x_120, 5, x_107);
+if (lean_is_scalar(x_102)) {
+ x_121 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_121 = x_102;
+}
+lean_ctor_set(x_121, 0, x_120);
+lean_ctor_set(x_121, 1, x_101);
+x_122 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_122, 0, x_100);
+lean_ctor_set(x_122, 1, x_121);
+return x_122;
 }
 }
 else
 {
-lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-x_122 = lean_ctor_get(x_34, 1);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_124, 2);
-lean_inc(x_125);
-x_126 = !lean_is_exclusive(x_34);
-if (x_126 == 0)
+uint8_t x_123; 
+x_123 = !lean_is_exclusive(x_35);
+if (x_123 == 0)
 {
-lean_object* x_127; uint8_t x_128; 
-x_127 = lean_ctor_get(x_34, 1);
-lean_dec(x_127);
-x_128 = !lean_is_exclusive(x_122);
-if (x_128 == 0)
-{
-lean_object* x_129; uint8_t x_130; 
-x_129 = lean_ctor_get(x_122, 0);
-lean_dec(x_129);
-x_130 = !lean_is_exclusive(x_123);
-if (x_130 == 0)
-{
-lean_object* x_131; uint8_t x_132; 
-x_131 = lean_ctor_get(x_123, 0);
-lean_dec(x_131);
-x_132 = !lean_is_exclusive(x_124);
-if (x_132 == 0)
-{
-lean_object* x_133; uint8_t x_134; 
-x_133 = lean_ctor_get(x_124, 2);
-lean_dec(x_133);
-x_134 = !lean_is_exclusive(x_125);
-if (x_134 == 0)
-{
-lean_object* x_135; 
-x_135 = lean_ctor_get(x_125, 2);
-lean_dec(x_135);
-lean_ctor_set(x_125, 2, x_30);
-return x_34;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_136 = lean_ctor_get(x_125, 0);
-x_137 = lean_ctor_get(x_125, 1);
-lean_inc(x_137);
-lean_inc(x_136);
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; uint8_t x_129; 
+x_124 = lean_ctor_get(x_35, 1);
+x_125 = l_Lean_Elab_Tactic_restore(x_124, x_34);
+lean_dec(x_34);
+x_126 = lean_ctor_get(x_125, 0);
+lean_inc(x_126);
 lean_dec(x_125);
-x_138 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_138, 0, x_136);
+x_127 = lean_ctor_get(x_126, 0);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_127, 2);
+lean_inc(x_128);
+x_129 = !lean_is_exclusive(x_126);
+if (x_129 == 0)
+{
+lean_object* x_130; uint8_t x_131; 
+x_130 = lean_ctor_get(x_126, 0);
+lean_dec(x_130);
+x_131 = !lean_is_exclusive(x_127);
+if (x_131 == 0)
+{
+lean_object* x_132; uint8_t x_133; 
+x_132 = lean_ctor_get(x_127, 2);
+lean_dec(x_132);
+x_133 = !lean_is_exclusive(x_128);
+if (x_133 == 0)
+{
+lean_object* x_134; uint8_t x_135; 
+x_134 = lean_ctor_get(x_128, 2);
+lean_dec(x_134);
+lean_ctor_set(x_128, 2, x_30);
+x_135 = !lean_is_exclusive(x_33);
+if (x_135 == 0)
+{
+lean_object* x_136; 
+x_136 = lean_ctor_get(x_33, 0);
+lean_dec(x_136);
+lean_ctor_set(x_33, 0, x_126);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+else
+{
+lean_object* x_137; lean_object* x_138; 
+x_137 = lean_ctor_get(x_33, 1);
+lean_inc(x_137);
+lean_dec(x_33);
+x_138 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_138, 0, x_126);
 lean_ctor_set(x_138, 1, x_137);
-lean_ctor_set(x_138, 2, x_30);
-lean_ctor_set(x_124, 2, x_138);
-return x_34;
+lean_ctor_set(x_35, 1, x_138);
+return x_35;
 }
 }
 else
 {
-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_124, 0);
-x_140 = lean_ctor_get(x_124, 1);
-x_141 = lean_ctor_get(x_124, 3);
-x_142 = lean_ctor_get(x_124, 4);
-x_143 = lean_ctor_get(x_124, 5);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
+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_139 = lean_ctor_get(x_128, 0);
+x_140 = lean_ctor_get(x_128, 1);
 lean_inc(x_140);
 lean_inc(x_139);
-lean_dec(x_124);
-x_144 = lean_ctor_get(x_125, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_125, 1);
-lean_inc(x_145);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- lean_ctor_release(x_125, 2);
- x_146 = x_125;
+lean_dec(x_128);
+x_141 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_140);
+lean_ctor_set(x_141, 2, x_30);
+lean_ctor_set(x_127, 2, x_141);
+x_142 = lean_ctor_get(x_33, 1);
+lean_inc(x_142);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_143 = x_33;
 } else {
- lean_dec_ref(x_125);
- x_146 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_143 = lean_box(0);
 }
-if (lean_is_scalar(x_146)) {
- x_147 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_143)) {
+ x_144 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_147 = x_146;
+ x_144 = x_143;
 }
-lean_ctor_set(x_147, 0, x_144);
-lean_ctor_set(x_147, 1, x_145);
-lean_ctor_set(x_147, 2, x_30);
-x_148 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_148, 0, x_139);
-lean_ctor_set(x_148, 1, x_140);
-lean_ctor_set(x_148, 2, x_147);
-lean_ctor_set(x_148, 3, x_141);
-lean_ctor_set(x_148, 4, x_142);
-lean_ctor_set(x_148, 5, x_143);
-lean_ctor_set(x_123, 0, x_148);
-return x_34;
+lean_ctor_set(x_144, 0, x_126);
+lean_ctor_set(x_144, 1, x_142);
+lean_ctor_set(x_35, 1, x_144);
+return x_35;
 }
 }
 else
 {
-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; 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_object* x_164; lean_object* x_165; 
-x_149 = lean_ctor_get(x_123, 1);
-x_150 = lean_ctor_get(x_123, 2);
-x_151 = lean_ctor_get(x_123, 3);
-x_152 = lean_ctor_get(x_123, 4);
-x_153 = lean_ctor_get(x_123, 5);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_inc(x_150);
+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_156; lean_object* x_157; 
+x_145 = lean_ctor_get(x_127, 0);
+x_146 = lean_ctor_get(x_127, 1);
+x_147 = lean_ctor_get(x_127, 3);
+x_148 = lean_ctor_get(x_127, 4);
+x_149 = lean_ctor_get(x_127, 5);
 lean_inc(x_149);
-lean_dec(x_123);
-x_154 = lean_ctor_get(x_124, 0);
-lean_inc(x_154);
-x_155 = lean_ctor_get(x_124, 1);
+lean_inc(x_148);
+lean_inc(x_147);
+lean_inc(x_146);
+lean_inc(x_145);
+lean_dec(x_127);
+x_150 = lean_ctor_get(x_128, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_128, 1);
+lean_inc(x_151);
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ lean_ctor_release(x_128, 2);
+ x_152 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_152 = lean_box(0);
+}
+if (lean_is_scalar(x_152)) {
+ x_153 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_153 = x_152;
+}
+lean_ctor_set(x_153, 0, x_150);
+lean_ctor_set(x_153, 1, x_151);
+lean_ctor_set(x_153, 2, x_30);
+x_154 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_154, 0, x_145);
+lean_ctor_set(x_154, 1, x_146);
+lean_ctor_set(x_154, 2, x_153);
+lean_ctor_set(x_154, 3, x_147);
+lean_ctor_set(x_154, 4, x_148);
+lean_ctor_set(x_154, 5, x_149);
+lean_ctor_set(x_126, 0, x_154);
+x_155 = lean_ctor_get(x_33, 1);
 lean_inc(x_155);
-x_156 = lean_ctor_get(x_124, 3);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_124, 4);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_124, 5);
-lean_inc(x_158);
-if (lean_is_exclusive(x_124)) {
- lean_ctor_release(x_124, 0);
- lean_ctor_release(x_124, 1);
- lean_ctor_release(x_124, 2);
- lean_ctor_release(x_124, 3);
- lean_ctor_release(x_124, 4);
- lean_ctor_release(x_124, 5);
- x_159 = x_124;
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_156 = x_33;
 } else {
- lean_dec_ref(x_124);
- x_159 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_156 = lean_box(0);
 }
-x_160 = lean_ctor_get(x_125, 0);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_125, 1);
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_157 = x_156;
+}
+lean_ctor_set(x_157, 0, x_126);
+lean_ctor_set(x_157, 1, x_155);
+lean_ctor_set(x_35, 1, x_157);
+return x_35;
+}
+}
+else
+{
+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_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 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_158 = lean_ctor_get(x_126, 1);
+x_159 = lean_ctor_get(x_126, 2);
+x_160 = lean_ctor_get(x_126, 3);
+x_161 = lean_ctor_get(x_126, 4);
+x_162 = lean_ctor_get(x_126, 5);
+lean_inc(x_162);
 lean_inc(x_161);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- lean_ctor_release(x_125, 2);
- x_162 = x_125;
-} else {
- lean_dec_ref(x_125);
- x_162 = lean_box(0);
-}
-if (lean_is_scalar(x_162)) {
- x_163 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_163 = x_162;
-}
-lean_ctor_set(x_163, 0, x_160);
-lean_ctor_set(x_163, 1, x_161);
-lean_ctor_set(x_163, 2, x_30);
-if (lean_is_scalar(x_159)) {
- x_164 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_164 = x_159;
-}
-lean_ctor_set(x_164, 0, x_154);
-lean_ctor_set(x_164, 1, x_155);
-lean_ctor_set(x_164, 2, x_163);
-lean_ctor_set(x_164, 3, x_156);
-lean_ctor_set(x_164, 4, x_157);
-lean_ctor_set(x_164, 5, x_158);
-x_165 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_165, 0, x_164);
-lean_ctor_set(x_165, 1, x_149);
-lean_ctor_set(x_165, 2, x_150);
-lean_ctor_set(x_165, 3, x_151);
-lean_ctor_set(x_165, 4, x_152);
-lean_ctor_set(x_165, 5, x_153);
-lean_ctor_set(x_122, 0, x_165);
-return x_34;
-}
-}
-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; 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; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_166 = lean_ctor_get(x_122, 1);
+lean_inc(x_160);
+lean_inc(x_159);
+lean_inc(x_158);
+lean_dec(x_126);
+x_163 = lean_ctor_get(x_127, 0);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_127, 1);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_127, 3);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_127, 4);
 lean_inc(x_166);
-lean_dec(x_122);
-x_167 = lean_ctor_get(x_123, 1);
+x_167 = lean_ctor_get(x_127, 5);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_123, 2);
-lean_inc(x_168);
-x_169 = lean_ctor_get(x_123, 3);
+if (lean_is_exclusive(x_127)) {
+ lean_ctor_release(x_127, 0);
+ lean_ctor_release(x_127, 1);
+ lean_ctor_release(x_127, 2);
+ lean_ctor_release(x_127, 3);
+ lean_ctor_release(x_127, 4);
+ lean_ctor_release(x_127, 5);
+ x_168 = x_127;
+} else {
+ lean_dec_ref(x_127);
+ x_168 = lean_box(0);
+}
+x_169 = lean_ctor_get(x_128, 0);
 lean_inc(x_169);
-x_170 = lean_ctor_get(x_123, 4);
+x_170 = lean_ctor_get(x_128, 1);
 lean_inc(x_170);
-x_171 = lean_ctor_get(x_123, 5);
-lean_inc(x_171);
-if (lean_is_exclusive(x_123)) {
- lean_ctor_release(x_123, 0);
- lean_ctor_release(x_123, 1);
- lean_ctor_release(x_123, 2);
- lean_ctor_release(x_123, 3);
- lean_ctor_release(x_123, 4);
- lean_ctor_release(x_123, 5);
- x_172 = x_123;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ lean_ctor_release(x_128, 2);
+ x_171 = x_128;
 } else {
- lean_dec_ref(x_123);
- x_172 = lean_box(0);
+ lean_dec_ref(x_128);
+ x_171 = lean_box(0);
 }
-x_173 = lean_ctor_get(x_124, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_124, 1);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_124, 3);
+if (lean_is_scalar(x_171)) {
+ x_172 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_172 = x_171;
+}
+lean_ctor_set(x_172, 0, x_169);
+lean_ctor_set(x_172, 1, x_170);
+lean_ctor_set(x_172, 2, x_30);
+if (lean_is_scalar(x_168)) {
+ x_173 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_173 = x_168;
+}
+lean_ctor_set(x_173, 0, x_163);
+lean_ctor_set(x_173, 1, x_164);
+lean_ctor_set(x_173, 2, x_172);
+lean_ctor_set(x_173, 3, x_165);
+lean_ctor_set(x_173, 4, x_166);
+lean_ctor_set(x_173, 5, x_167);
+x_174 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_174, 0, x_173);
+lean_ctor_set(x_174, 1, x_158);
+lean_ctor_set(x_174, 2, x_159);
+lean_ctor_set(x_174, 3, x_160);
+lean_ctor_set(x_174, 4, x_161);
+lean_ctor_set(x_174, 5, x_162);
+x_175 = lean_ctor_get(x_33, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_124, 4);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_124, 5);
-lean_inc(x_177);
-if (lean_is_exclusive(x_124)) {
- lean_ctor_release(x_124, 0);
- lean_ctor_release(x_124, 1);
- lean_ctor_release(x_124, 2);
- lean_ctor_release(x_124, 3);
- lean_ctor_release(x_124, 4);
- lean_ctor_release(x_124, 5);
- x_178 = x_124;
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_176 = x_33;
 } else {
- lean_dec_ref(x_124);
- x_178 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_176 = lean_box(0);
 }
-x_179 = lean_ctor_get(x_125, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_125, 1);
-lean_inc(x_180);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- lean_ctor_release(x_125, 2);
- x_181 = x_125;
+if (lean_is_scalar(x_176)) {
+ x_177 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_125);
- x_181 = lean_box(0);
+ x_177 = x_176;
 }
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_182 = x_181;
-}
-lean_ctor_set(x_182, 0, x_179);
-lean_ctor_set(x_182, 1, x_180);
-lean_ctor_set(x_182, 2, x_30);
-if (lean_is_scalar(x_178)) {
- x_183 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_183 = x_178;
-}
-lean_ctor_set(x_183, 0, x_173);
-lean_ctor_set(x_183, 1, x_174);
-lean_ctor_set(x_183, 2, x_182);
-lean_ctor_set(x_183, 3, x_175);
-lean_ctor_set(x_183, 4, x_176);
-lean_ctor_set(x_183, 5, x_177);
-if (lean_is_scalar(x_172)) {
- x_184 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_184 = x_172;
-}
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_167);
-lean_ctor_set(x_184, 2, x_168);
-lean_ctor_set(x_184, 3, x_169);
-lean_ctor_set(x_184, 4, x_170);
-lean_ctor_set(x_184, 5, x_171);
-x_185 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_185, 0, x_184);
-lean_ctor_set(x_185, 1, x_166);
-lean_ctor_set(x_34, 1, x_185);
-return x_34;
+lean_ctor_set(x_177, 0, x_174);
+lean_ctor_set(x_177, 1, x_175);
+lean_ctor_set(x_35, 1, x_177);
+return x_35;
 }
 }
 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; 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; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; 
-x_186 = lean_ctor_get(x_34, 0);
-lean_inc(x_186);
+lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 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; 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; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; 
+x_178 = lean_ctor_get(x_35, 0);
+x_179 = lean_ctor_get(x_35, 1);
+lean_inc(x_179);
+lean_inc(x_178);
+lean_dec(x_35);
+x_180 = l_Lean_Elab_Tactic_restore(x_179, x_34);
 lean_dec(x_34);
-x_187 = lean_ctor_get(x_122, 1);
+x_181 = lean_ctor_get(x_180, 0);
+lean_inc(x_181);
+lean_dec(x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_182, 2);
+lean_inc(x_183);
+x_184 = lean_ctor_get(x_181, 1);
+lean_inc(x_184);
+x_185 = lean_ctor_get(x_181, 2);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_181, 3);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_181, 4);
 lean_inc(x_187);
-if (lean_is_exclusive(x_122)) {
- lean_ctor_release(x_122, 0);
- lean_ctor_release(x_122, 1);
- x_188 = x_122;
+x_188 = lean_ctor_get(x_181, 5);
+lean_inc(x_188);
+if (lean_is_exclusive(x_181)) {
+ lean_ctor_release(x_181, 0);
+ lean_ctor_release(x_181, 1);
+ lean_ctor_release(x_181, 2);
+ lean_ctor_release(x_181, 3);
+ lean_ctor_release(x_181, 4);
+ lean_ctor_release(x_181, 5);
+ x_189 = x_181;
 } else {
- lean_dec_ref(x_122);
- x_188 = lean_box(0);
+ lean_dec_ref(x_181);
+ x_189 = lean_box(0);
 }
-x_189 = lean_ctor_get(x_123, 1);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_123, 2);
+x_190 = lean_ctor_get(x_182, 0);
 lean_inc(x_190);
-x_191 = lean_ctor_get(x_123, 3);
+x_191 = lean_ctor_get(x_182, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get(x_123, 4);
+x_192 = lean_ctor_get(x_182, 3);
 lean_inc(x_192);
-x_193 = lean_ctor_get(x_123, 5);
+x_193 = lean_ctor_get(x_182, 4);
 lean_inc(x_193);
-if (lean_is_exclusive(x_123)) {
- lean_ctor_release(x_123, 0);
- lean_ctor_release(x_123, 1);
- lean_ctor_release(x_123, 2);
- lean_ctor_release(x_123, 3);
- lean_ctor_release(x_123, 4);
- lean_ctor_release(x_123, 5);
- x_194 = x_123;
+x_194 = lean_ctor_get(x_182, 5);
+lean_inc(x_194);
+if (lean_is_exclusive(x_182)) {
+ lean_ctor_release(x_182, 0);
+ lean_ctor_release(x_182, 1);
+ lean_ctor_release(x_182, 2);
+ lean_ctor_release(x_182, 3);
+ lean_ctor_release(x_182, 4);
+ lean_ctor_release(x_182, 5);
+ x_195 = x_182;
 } else {
- lean_dec_ref(x_123);
- x_194 = lean_box(0);
+ lean_dec_ref(x_182);
+ x_195 = lean_box(0);
 }
-x_195 = lean_ctor_get(x_124, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_124, 1);
+x_196 = lean_ctor_get(x_183, 0);
 lean_inc(x_196);
-x_197 = lean_ctor_get(x_124, 3);
+x_197 = lean_ctor_get(x_183, 1);
 lean_inc(x_197);
-x_198 = lean_ctor_get(x_124, 4);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_124, 5);
-lean_inc(x_199);
-if (lean_is_exclusive(x_124)) {
- lean_ctor_release(x_124, 0);
- lean_ctor_release(x_124, 1);
- lean_ctor_release(x_124, 2);
- lean_ctor_release(x_124, 3);
- lean_ctor_release(x_124, 4);
- lean_ctor_release(x_124, 5);
- x_200 = x_124;
+if (lean_is_exclusive(x_183)) {
+ lean_ctor_release(x_183, 0);
+ lean_ctor_release(x_183, 1);
+ lean_ctor_release(x_183, 2);
+ x_198 = x_183;
 } else {
- lean_dec_ref(x_124);
- x_200 = lean_box(0);
+ lean_dec_ref(x_183);
+ x_198 = lean_box(0);
 }
-x_201 = lean_ctor_get(x_125, 0);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_125, 1);
-lean_inc(x_202);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- lean_ctor_release(x_125, 2);
- x_203 = x_125;
+if (lean_is_scalar(x_198)) {
+ x_199 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_125);
+ x_199 = x_198;
+}
+lean_ctor_set(x_199, 0, x_196);
+lean_ctor_set(x_199, 1, x_197);
+lean_ctor_set(x_199, 2, x_30);
+if (lean_is_scalar(x_195)) {
+ x_200 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_200 = x_195;
+}
+lean_ctor_set(x_200, 0, x_190);
+lean_ctor_set(x_200, 1, x_191);
+lean_ctor_set(x_200, 2, x_199);
+lean_ctor_set(x_200, 3, x_192);
+lean_ctor_set(x_200, 4, x_193);
+lean_ctor_set(x_200, 5, x_194);
+if (lean_is_scalar(x_189)) {
+ x_201 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_201 = x_189;
+}
+lean_ctor_set(x_201, 0, x_200);
+lean_ctor_set(x_201, 1, x_184);
+lean_ctor_set(x_201, 2, x_185);
+lean_ctor_set(x_201, 3, x_186);
+lean_ctor_set(x_201, 4, x_187);
+lean_ctor_set(x_201, 5, x_188);
+x_202 = lean_ctor_get(x_33, 1);
+lean_inc(x_202);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_203 = x_33;
+} else {
+ lean_dec_ref(x_33);
  x_203 = lean_box(0);
 }
 if (lean_is_scalar(x_203)) {
- x_204 = lean_alloc_ctor(0, 3, 0);
+ x_204 = lean_alloc_ctor(0, 2, 0);
 } else {
  x_204 = x_203;
 }
 lean_ctor_set(x_204, 0, x_201);
 lean_ctor_set(x_204, 1, x_202);
-lean_ctor_set(x_204, 2, x_30);
-if (lean_is_scalar(x_200)) {
- x_205 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_205 = x_200;
-}
-lean_ctor_set(x_205, 0, x_195);
-lean_ctor_set(x_205, 1, x_196);
-lean_ctor_set(x_205, 2, x_204);
-lean_ctor_set(x_205, 3, x_197);
-lean_ctor_set(x_205, 4, x_198);
-lean_ctor_set(x_205, 5, x_199);
-if (lean_is_scalar(x_194)) {
- x_206 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_206 = x_194;
-}
-lean_ctor_set(x_206, 0, x_205);
-lean_ctor_set(x_206, 1, x_189);
-lean_ctor_set(x_206, 2, x_190);
-lean_ctor_set(x_206, 3, x_191);
-lean_ctor_set(x_206, 4, x_192);
-lean_ctor_set(x_206, 5, x_193);
-if (lean_is_scalar(x_188)) {
- x_207 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_207 = x_188;
-}
-lean_ctor_set(x_207, 0, x_206);
-lean_ctor_set(x_207, 1, x_187);
-x_208 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_208, 0, x_186);
-lean_ctor_set(x_208, 1, x_207);
-return x_208;
+x_205 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_205, 0, x_178);
+lean_ctor_set(x_205, 1, x_204);
+return x_205;
 }
 }
 }
 else
 {
-uint8_t x_209; 
+uint8_t x_206; 
 lean_dec(x_30);
 lean_dec(x_22);
 lean_dec(x_2);
-x_209 = !lean_is_exclusive(x_32);
-if (x_209 == 0)
+x_206 = !lean_is_exclusive(x_32);
+if (x_206 == 0)
 {
 return x_32;
 }
 else
 {
-lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_210 = lean_ctor_get(x_32, 0);
-x_211 = lean_ctor_get(x_32, 1);
-lean_inc(x_211);
-lean_inc(x_210);
+lean_object* x_207; lean_object* x_208; lean_object* x_209; 
+x_207 = lean_ctor_get(x_32, 0);
+x_208 = lean_ctor_get(x_32, 1);
+lean_inc(x_208);
+lean_inc(x_207);
 lean_dec(x_32);
-x_212 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_212, 0, x_210);
-lean_ctor_set(x_212, 1, x_211);
-return x_212;
+x_209 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_209, 0, x_207);
+lean_ctor_set(x_209, 1, x_208);
+return x_209;
 }
 }
 }
@@ -8896,283 +9344,258 @@ return x_212;
 }
 else
 {
-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; uint8_t x_221; lean_object* x_222; lean_object* x_223; 
-x_213 = lean_ctor_get(x_7, 0);
-x_214 = lean_ctor_get(x_7, 2);
-x_215 = lean_ctor_get(x_7, 3);
-x_216 = lean_ctor_get(x_7, 4);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
+lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; uint8_t x_218; lean_object* x_219; lean_object* x_220; 
+x_210 = lean_ctor_get(x_7, 0);
+x_211 = lean_ctor_get(x_7, 2);
+x_212 = lean_ctor_get(x_7, 3);
+x_213 = lean_ctor_get(x_7, 4);
 lean_inc(x_213);
+lean_inc(x_212);
+lean_inc(x_211);
+lean_inc(x_210);
 lean_dec(x_7);
-x_217 = lean_ctor_get(x_8, 1);
-lean_inc(x_217);
-x_218 = lean_ctor_get(x_8, 4);
-lean_inc(x_218);
-x_219 = lean_array_get_size(x_214);
-x_220 = lean_array_get_size(x_218);
-x_221 = lean_nat_dec_eq(x_219, x_220);
-lean_dec(x_220);
-lean_dec(x_219);
-lean_inc(x_218);
-x_222 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_222, 0, x_213);
-lean_ctor_set(x_222, 1, x_217);
-lean_ctor_set(x_222, 2, x_218);
-lean_ctor_set(x_222, 3, x_215);
-lean_ctor_set(x_222, 4, x_216);
-lean_ctor_set(x_6, 0, x_222);
-x_223 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_223, 0, x_6);
-lean_ctor_set(x_223, 1, x_10);
-lean_ctor_set(x_223, 2, x_11);
-if (x_221 == 0)
+x_214 = lean_ctor_get(x_8, 1);
+lean_inc(x_214);
+x_215 = lean_ctor_get(x_8, 4);
+lean_inc(x_215);
+x_216 = lean_array_get_size(x_211);
+x_217 = lean_array_get_size(x_215);
+x_218 = lean_nat_dec_eq(x_216, x_217);
+lean_dec(x_217);
+lean_dec(x_216);
+lean_inc(x_215);
+x_219 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_219, 0, x_210);
+lean_ctor_set(x_219, 1, x_214);
+lean_ctor_set(x_219, 2, x_215);
+lean_ctor_set(x_219, 3, x_212);
+lean_ctor_set(x_219, 4, x_213);
+lean_ctor_set(x_6, 0, x_219);
+x_220 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_220, 0, x_6);
+lean_ctor_set(x_220, 1, x_10);
+lean_ctor_set(x_220, 2, x_11);
+if (x_218 == 0)
 {
-lean_object* x_224; 
-lean_dec(x_218);
-lean_dec(x_214);
+lean_object* x_221; 
+lean_dec(x_215);
+lean_dec(x_211);
 lean_dec(x_8);
 lean_dec(x_3);
-x_224 = lean_apply_2(x_2, x_223, x_9);
+x_221 = lean_apply_2(x_2, x_220, x_9);
+return x_221;
+}
+else
+{
+lean_object* x_222; uint8_t x_223; 
+x_222 = lean_unsigned_to_nat(0u);
+x_223 = l_Array_isEqvAux___main___at_Lean_Elab_Tactic_withMVarContext___spec__1(x_3, x_8, lean_box(0), x_211, x_215, x_222);
+lean_dec(x_215);
+lean_dec(x_211);
+lean_dec(x_8);
+lean_dec(x_3);
+if (x_223 == 0)
+{
+lean_object* x_224; 
+x_224 = lean_apply_2(x_2, x_220, x_9);
 return x_224;
 }
 else
 {
-lean_object* x_225; uint8_t x_226; 
-x_225 = lean_unsigned_to_nat(0u);
-x_226 = l_Array_isEqvAux___main___at_Lean_Elab_Tactic_withMVarContext___spec__1(x_3, x_8, lean_box(0), x_214, x_218, x_225);
-lean_dec(x_218);
-lean_dec(x_214);
-lean_dec(x_8);
-lean_dec(x_3);
-if (x_226 == 0)
-{
-lean_object* x_227; 
-x_227 = lean_apply_2(x_2, x_223, x_9);
-return x_227;
-}
-else
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; 
-x_228 = lean_ctor_get(x_9, 0);
+lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; 
+x_225 = lean_ctor_get(x_9, 0);
+lean_inc(x_225);
+x_226 = lean_ctor_get(x_225, 0);
+lean_inc(x_226);
+lean_dec(x_225);
+x_227 = lean_ctor_get(x_226, 2);
+lean_inc(x_227);
+lean_dec(x_226);
+x_228 = lean_ctor_get(x_227, 2);
 lean_inc(x_228);
-x_229 = lean_ctor_get(x_228, 0);
-lean_inc(x_229);
-lean_dec(x_228);
-x_230 = lean_ctor_get(x_229, 2);
-lean_inc(x_230);
-lean_dec(x_229);
-x_231 = lean_ctor_get(x_230, 2);
+lean_dec(x_227);
+x_229 = l_Lean_Elab_Tactic_resetSynthInstanceCache___closed__1;
+lean_inc(x_220);
+x_230 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_229, x_220, x_9);
+if (lean_obj_tag(x_230) == 0)
+{
+lean_object* x_231; lean_object* x_232; lean_object* x_233; 
+x_231 = lean_ctor_get(x_230, 1);
 lean_inc(x_231);
 lean_dec(x_230);
-x_232 = l_Lean_Elab_Tactic_resetSynthInstanceCache___closed__1;
-lean_inc(x_223);
-x_233 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_232, x_223, x_9);
+x_232 = l_Lean_Elab_Tactic_save(x_231);
+lean_inc(x_231);
+x_233 = lean_apply_2(x_2, x_220, x_231);
 if (lean_obj_tag(x_233) == 0)
 {
-lean_object* x_234; lean_object* x_235; 
+lean_object* x_234; 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; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+lean_dec(x_232);
+lean_dec(x_231);
 x_234 = lean_ctor_get(x_233, 1);
 lean_inc(x_234);
-lean_dec(x_233);
-x_235 = lean_apply_2(x_2, x_223, x_234);
-if (lean_obj_tag(x_235) == 0)
-{
-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; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; 
-x_236 = lean_ctor_get(x_235, 1);
+x_235 = lean_ctor_get(x_234, 0);
+lean_inc(x_235);
+x_236 = lean_ctor_get(x_235, 0);
 lean_inc(x_236);
-x_237 = lean_ctor_get(x_236, 0);
+x_237 = lean_ctor_get(x_236, 2);
 lean_inc(x_237);
-x_238 = lean_ctor_get(x_237, 0);
+x_238 = lean_ctor_get(x_233, 0);
 lean_inc(x_238);
-x_239 = lean_ctor_get(x_238, 2);
-lean_inc(x_239);
-x_240 = lean_ctor_get(x_235, 0);
+if (lean_is_exclusive(x_233)) {
+ lean_ctor_release(x_233, 0);
+ lean_ctor_release(x_233, 1);
+ x_239 = x_233;
+} else {
+ lean_dec_ref(x_233);
+ x_239 = lean_box(0);
+}
+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 {
+ lean_dec_ref(x_234);
+ x_241 = lean_box(0);
+}
+x_242 = lean_ctor_get(x_235, 1);
+lean_inc(x_242);
+x_243 = lean_ctor_get(x_235, 2);
+lean_inc(x_243);
+x_244 = lean_ctor_get(x_235, 3);
+lean_inc(x_244);
+x_245 = lean_ctor_get(x_235, 4);
+lean_inc(x_245);
+x_246 = lean_ctor_get(x_235, 5);
+lean_inc(x_246);
 if (lean_is_exclusive(x_235)) {
  lean_ctor_release(x_235, 0);
  lean_ctor_release(x_235, 1);
- x_241 = x_235;
+ lean_ctor_release(x_235, 2);
+ lean_ctor_release(x_235, 3);
+ lean_ctor_release(x_235, 4);
+ lean_ctor_release(x_235, 5);
+ x_247 = x_235;
 } else {
  lean_dec_ref(x_235);
- x_241 = lean_box(0);
+ x_247 = lean_box(0);
 }
-x_242 = lean_ctor_get(x_236, 1);
-lean_inc(x_242);
+x_248 = lean_ctor_get(x_236, 0);
+lean_inc(x_248);
+x_249 = lean_ctor_get(x_236, 1);
+lean_inc(x_249);
+x_250 = lean_ctor_get(x_236, 3);
+lean_inc(x_250);
+x_251 = lean_ctor_get(x_236, 4);
+lean_inc(x_251);
+x_252 = lean_ctor_get(x_236, 5);
+lean_inc(x_252);
 if (lean_is_exclusive(x_236)) {
  lean_ctor_release(x_236, 0);
  lean_ctor_release(x_236, 1);
- x_243 = x_236;
+ lean_ctor_release(x_236, 2);
+ lean_ctor_release(x_236, 3);
+ lean_ctor_release(x_236, 4);
+ lean_ctor_release(x_236, 5);
+ x_253 = x_236;
 } else {
  lean_dec_ref(x_236);
- x_243 = lean_box(0);
+ x_253 = lean_box(0);
 }
-x_244 = lean_ctor_get(x_237, 1);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_237, 2);
-lean_inc(x_245);
-x_246 = lean_ctor_get(x_237, 3);
-lean_inc(x_246);
-x_247 = lean_ctor_get(x_237, 4);
-lean_inc(x_247);
-x_248 = lean_ctor_get(x_237, 5);
-lean_inc(x_248);
+x_254 = lean_ctor_get(x_237, 0);
+lean_inc(x_254);
+x_255 = lean_ctor_get(x_237, 1);
+lean_inc(x_255);
 if (lean_is_exclusive(x_237)) {
  lean_ctor_release(x_237, 0);
  lean_ctor_release(x_237, 1);
  lean_ctor_release(x_237, 2);
- lean_ctor_release(x_237, 3);
- lean_ctor_release(x_237, 4);
- lean_ctor_release(x_237, 5);
- x_249 = x_237;
+ x_256 = x_237;
 } else {
  lean_dec_ref(x_237);
- x_249 = lean_box(0);
+ x_256 = lean_box(0);
 }
-x_250 = lean_ctor_get(x_238, 0);
-lean_inc(x_250);
-x_251 = lean_ctor_get(x_238, 1);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_238, 3);
-lean_inc(x_252);
-x_253 = lean_ctor_get(x_238, 4);
-lean_inc(x_253);
-x_254 = lean_ctor_get(x_238, 5);
-lean_inc(x_254);
-if (lean_is_exclusive(x_238)) {
- lean_ctor_release(x_238, 0);
- lean_ctor_release(x_238, 1);
- lean_ctor_release(x_238, 2);
- lean_ctor_release(x_238, 3);
- lean_ctor_release(x_238, 4);
- lean_ctor_release(x_238, 5);
- x_255 = x_238;
+if (lean_is_scalar(x_256)) {
+ x_257 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_238);
- x_255 = lean_box(0);
+ x_257 = x_256;
 }
-x_256 = lean_ctor_get(x_239, 0);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_239, 1);
-lean_inc(x_257);
-if (lean_is_exclusive(x_239)) {
- lean_ctor_release(x_239, 0);
- lean_ctor_release(x_239, 1);
- lean_ctor_release(x_239, 2);
- x_258 = x_239;
+lean_ctor_set(x_257, 0, x_254);
+lean_ctor_set(x_257, 1, x_255);
+lean_ctor_set(x_257, 2, x_228);
+if (lean_is_scalar(x_253)) {
+ x_258 = lean_alloc_ctor(0, 6, 0);
 } else {
- lean_dec_ref(x_239);
- x_258 = lean_box(0);
+ x_258 = x_253;
 }
-if (lean_is_scalar(x_258)) {
- x_259 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_258, 0, x_248);
+lean_ctor_set(x_258, 1, x_249);
+lean_ctor_set(x_258, 2, x_257);
+lean_ctor_set(x_258, 3, x_250);
+lean_ctor_set(x_258, 4, x_251);
+lean_ctor_set(x_258, 5, x_252);
+if (lean_is_scalar(x_247)) {
+ x_259 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_259 = x_258;
+ x_259 = x_247;
 }
-lean_ctor_set(x_259, 0, x_256);
-lean_ctor_set(x_259, 1, x_257);
-lean_ctor_set(x_259, 2, x_231);
-if (lean_is_scalar(x_255)) {
- x_260 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_260 = x_255;
-}
-lean_ctor_set(x_260, 0, x_250);
-lean_ctor_set(x_260, 1, x_251);
-lean_ctor_set(x_260, 2, x_259);
-lean_ctor_set(x_260, 3, x_252);
-lean_ctor_set(x_260, 4, x_253);
-lean_ctor_set(x_260, 5, x_254);
-if (lean_is_scalar(x_249)) {
- x_261 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_261 = x_249;
-}
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_244);
-lean_ctor_set(x_261, 2, x_245);
-lean_ctor_set(x_261, 3, x_246);
-lean_ctor_set(x_261, 4, x_247);
-lean_ctor_set(x_261, 5, x_248);
-if (lean_is_scalar(x_243)) {
- x_262 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_262 = x_243;
-}
-lean_ctor_set(x_262, 0, x_261);
-lean_ctor_set(x_262, 1, x_242);
+lean_ctor_set(x_259, 0, x_258);
+lean_ctor_set(x_259, 1, x_242);
+lean_ctor_set(x_259, 2, x_243);
+lean_ctor_set(x_259, 3, x_244);
+lean_ctor_set(x_259, 4, x_245);
+lean_ctor_set(x_259, 5, x_246);
 if (lean_is_scalar(x_241)) {
- x_263 = lean_alloc_ctor(0, 2, 0);
+ x_260 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_263 = x_241;
+ x_260 = x_241;
 }
-lean_ctor_set(x_263, 0, x_240);
-lean_ctor_set(x_263, 1, x_262);
-return x_263;
+lean_ctor_set(x_260, 0, x_259);
+lean_ctor_set(x_260, 1, x_240);
+if (lean_is_scalar(x_239)) {
+ x_261 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_261 = x_239;
+}
+lean_ctor_set(x_261, 0, x_238);
+lean_ctor_set(x_261, 1, x_260);
+return x_261;
 }
 else
 {
-lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; 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; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; 
-x_264 = lean_ctor_get(x_235, 1);
-lean_inc(x_264);
-x_265 = lean_ctor_get(x_264, 0);
-lean_inc(x_265);
+lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; 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; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; 
+x_262 = lean_ctor_get(x_233, 0);
+lean_inc(x_262);
+x_263 = lean_ctor_get(x_233, 1);
+lean_inc(x_263);
+if (lean_is_exclusive(x_233)) {
+ lean_ctor_release(x_233, 0);
+ lean_ctor_release(x_233, 1);
+ x_264 = x_233;
+} else {
+ lean_dec_ref(x_233);
+ x_264 = lean_box(0);
+}
+x_265 = l_Lean_Elab_Tactic_restore(x_263, x_232);
+lean_dec(x_232);
 x_266 = lean_ctor_get(x_265, 0);
 lean_inc(x_266);
-x_267 = lean_ctor_get(x_266, 2);
+lean_dec(x_265);
+x_267 = lean_ctor_get(x_266, 0);
 lean_inc(x_267);
-x_268 = lean_ctor_get(x_235, 0);
+x_268 = lean_ctor_get(x_267, 2);
 lean_inc(x_268);
-if (lean_is_exclusive(x_235)) {
- lean_ctor_release(x_235, 0);
- lean_ctor_release(x_235, 1);
- x_269 = x_235;
-} else {
- lean_dec_ref(x_235);
- x_269 = lean_box(0);
-}
-x_270 = lean_ctor_get(x_264, 1);
+x_269 = lean_ctor_get(x_266, 1);
+lean_inc(x_269);
+x_270 = lean_ctor_get(x_266, 2);
 lean_inc(x_270);
-if (lean_is_exclusive(x_264)) {
- lean_ctor_release(x_264, 0);
- lean_ctor_release(x_264, 1);
- x_271 = x_264;
-} else {
- lean_dec_ref(x_264);
- x_271 = lean_box(0);
-}
-x_272 = lean_ctor_get(x_265, 1);
+x_271 = lean_ctor_get(x_266, 3);
+lean_inc(x_271);
+x_272 = lean_ctor_get(x_266, 4);
 lean_inc(x_272);
-x_273 = lean_ctor_get(x_265, 2);
+x_273 = lean_ctor_get(x_266, 5);
 lean_inc(x_273);
-x_274 = lean_ctor_get(x_265, 3);
-lean_inc(x_274);
-x_275 = lean_ctor_get(x_265, 4);
-lean_inc(x_275);
-x_276 = lean_ctor_get(x_265, 5);
-lean_inc(x_276);
-if (lean_is_exclusive(x_265)) {
- lean_ctor_release(x_265, 0);
- lean_ctor_release(x_265, 1);
- lean_ctor_release(x_265, 2);
- lean_ctor_release(x_265, 3);
- lean_ctor_release(x_265, 4);
- lean_ctor_release(x_265, 5);
- x_277 = x_265;
-} else {
- lean_dec_ref(x_265);
- x_277 = lean_box(0);
-}
-x_278 = lean_ctor_get(x_266, 0);
-lean_inc(x_278);
-x_279 = lean_ctor_get(x_266, 1);
-lean_inc(x_279);
-x_280 = lean_ctor_get(x_266, 3);
-lean_inc(x_280);
-x_281 = lean_ctor_get(x_266, 4);
-lean_inc(x_281);
-x_282 = lean_ctor_get(x_266, 5);
-lean_inc(x_282);
 if (lean_is_exclusive(x_266)) {
  lean_ctor_release(x_266, 0);
  lean_ctor_release(x_266, 1);
@@ -9180,97 +9603,129 @@ if (lean_is_exclusive(x_266)) {
  lean_ctor_release(x_266, 3);
  lean_ctor_release(x_266, 4);
  lean_ctor_release(x_266, 5);
- x_283 = x_266;
+ x_274 = x_266;
 } else {
  lean_dec_ref(x_266);
- x_283 = lean_box(0);
+ x_274 = lean_box(0);
 }
-x_284 = lean_ctor_get(x_267, 0);
-lean_inc(x_284);
-x_285 = lean_ctor_get(x_267, 1);
-lean_inc(x_285);
+x_275 = lean_ctor_get(x_267, 0);
+lean_inc(x_275);
+x_276 = lean_ctor_get(x_267, 1);
+lean_inc(x_276);
+x_277 = lean_ctor_get(x_267, 3);
+lean_inc(x_277);
+x_278 = lean_ctor_get(x_267, 4);
+lean_inc(x_278);
+x_279 = lean_ctor_get(x_267, 5);
+lean_inc(x_279);
 if (lean_is_exclusive(x_267)) {
  lean_ctor_release(x_267, 0);
  lean_ctor_release(x_267, 1);
  lean_ctor_release(x_267, 2);
- x_286 = x_267;
+ lean_ctor_release(x_267, 3);
+ lean_ctor_release(x_267, 4);
+ lean_ctor_release(x_267, 5);
+ x_280 = x_267;
 } else {
  lean_dec_ref(x_267);
- x_286 = lean_box(0);
+ x_280 = lean_box(0);
 }
-if (lean_is_scalar(x_286)) {
- x_287 = lean_alloc_ctor(0, 3, 0);
+x_281 = lean_ctor_get(x_268, 0);
+lean_inc(x_281);
+x_282 = lean_ctor_get(x_268, 1);
+lean_inc(x_282);
+if (lean_is_exclusive(x_268)) {
+ lean_ctor_release(x_268, 0);
+ lean_ctor_release(x_268, 1);
+ lean_ctor_release(x_268, 2);
+ x_283 = x_268;
 } else {
- x_287 = x_286;
+ lean_dec_ref(x_268);
+ x_283 = lean_box(0);
 }
-lean_ctor_set(x_287, 0, x_284);
-lean_ctor_set(x_287, 1, x_285);
-lean_ctor_set(x_287, 2, x_231);
 if (lean_is_scalar(x_283)) {
- x_288 = lean_alloc_ctor(0, 6, 0);
+ x_284 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_288 = x_283;
+ x_284 = x_283;
 }
-lean_ctor_set(x_288, 0, x_278);
-lean_ctor_set(x_288, 1, x_279);
-lean_ctor_set(x_288, 2, x_287);
-lean_ctor_set(x_288, 3, x_280);
-lean_ctor_set(x_288, 4, x_281);
-lean_ctor_set(x_288, 5, x_282);
-if (lean_is_scalar(x_277)) {
- x_289 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_284, 0, x_281);
+lean_ctor_set(x_284, 1, x_282);
+lean_ctor_set(x_284, 2, x_228);
+if (lean_is_scalar(x_280)) {
+ x_285 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_289 = x_277;
+ x_285 = x_280;
 }
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_272);
-lean_ctor_set(x_289, 2, x_273);
-lean_ctor_set(x_289, 3, x_274);
-lean_ctor_set(x_289, 4, x_275);
-lean_ctor_set(x_289, 5, x_276);
-if (lean_is_scalar(x_271)) {
- x_290 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_285, 0, x_275);
+lean_ctor_set(x_285, 1, x_276);
+lean_ctor_set(x_285, 2, x_284);
+lean_ctor_set(x_285, 3, x_277);
+lean_ctor_set(x_285, 4, x_278);
+lean_ctor_set(x_285, 5, x_279);
+if (lean_is_scalar(x_274)) {
+ x_286 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_290 = x_271;
+ x_286 = x_274;
 }
-lean_ctor_set(x_290, 0, x_289);
-lean_ctor_set(x_290, 1, x_270);
-if (lean_is_scalar(x_269)) {
- x_291 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_286, 0, x_285);
+lean_ctor_set(x_286, 1, x_269);
+lean_ctor_set(x_286, 2, x_270);
+lean_ctor_set(x_286, 3, x_271);
+lean_ctor_set(x_286, 4, x_272);
+lean_ctor_set(x_286, 5, x_273);
+x_287 = lean_ctor_get(x_231, 1);
+lean_inc(x_287);
+if (lean_is_exclusive(x_231)) {
+ lean_ctor_release(x_231, 0);
+ lean_ctor_release(x_231, 1);
+ x_288 = x_231;
 } else {
- x_291 = x_269;
+ lean_dec_ref(x_231);
+ x_288 = lean_box(0);
 }
-lean_ctor_set(x_291, 0, x_268);
-lean_ctor_set(x_291, 1, x_290);
-return x_291;
+if (lean_is_scalar(x_288)) {
+ x_289 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_289 = x_288;
+}
+lean_ctor_set(x_289, 0, x_286);
+lean_ctor_set(x_289, 1, x_287);
+if (lean_is_scalar(x_264)) {
+ x_290 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_290 = x_264;
+}
+lean_ctor_set(x_290, 0, x_262);
+lean_ctor_set(x_290, 1, x_289);
+return x_290;
 }
 }
 else
 {
-lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; 
-lean_dec(x_231);
-lean_dec(x_223);
+lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
+lean_dec(x_228);
+lean_dec(x_220);
 lean_dec(x_2);
-x_292 = lean_ctor_get(x_233, 0);
+x_291 = lean_ctor_get(x_230, 0);
+lean_inc(x_291);
+x_292 = lean_ctor_get(x_230, 1);
 lean_inc(x_292);
-x_293 = lean_ctor_get(x_233, 1);
-lean_inc(x_293);
-if (lean_is_exclusive(x_233)) {
- lean_ctor_release(x_233, 0);
- lean_ctor_release(x_233, 1);
- x_294 = x_233;
+if (lean_is_exclusive(x_230)) {
+ lean_ctor_release(x_230, 0);
+ lean_ctor_release(x_230, 1);
+ x_293 = x_230;
 } else {
- lean_dec_ref(x_233);
- x_294 = lean_box(0);
+ lean_dec_ref(x_230);
+ x_293 = lean_box(0);
 }
-if (lean_is_scalar(x_294)) {
- x_295 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_293)) {
+ x_294 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_295 = x_294;
+ x_294 = x_293;
 }
-lean_ctor_set(x_295, 0, x_292);
-lean_ctor_set(x_295, 1, x_293);
-return x_295;
+lean_ctor_set(x_294, 0, x_291);
+lean_ctor_set(x_294, 1, x_292);
+return x_294;
 }
 }
 }
@@ -9278,18 +9733,17 @@ return x_295;
 }
 else
 {
-lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; uint8_t x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; 
-x_296 = lean_ctor_get(x_6, 1);
-x_297 = lean_ctor_get(x_6, 2);
-x_298 = lean_ctor_get(x_6, 3);
-x_299 = lean_ctor_get(x_6, 4);
-x_300 = lean_ctor_get(x_6, 5);
-x_301 = lean_ctor_get(x_6, 6);
-x_302 = lean_ctor_get(x_6, 7);
-x_303 = lean_ctor_get(x_6, 8);
-x_304 = lean_ctor_get(x_6, 9);
-x_305 = lean_ctor_get_uint8(x_6, sizeof(void*)*10);
-lean_inc(x_304);
+lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; uint8_t x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; lean_object* x_313; uint8_t x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; 
+x_295 = lean_ctor_get(x_6, 1);
+x_296 = lean_ctor_get(x_6, 2);
+x_297 = lean_ctor_get(x_6, 3);
+x_298 = lean_ctor_get(x_6, 4);
+x_299 = lean_ctor_get(x_6, 5);
+x_300 = lean_ctor_get(x_6, 6);
+x_301 = lean_ctor_get(x_6, 7);
+x_302 = lean_ctor_get(x_6, 8);
+x_303 = lean_ctor_get(x_6, 9);
+x_304 = lean_ctor_get_uint8(x_6, sizeof(void*)*10);
 lean_inc(x_303);
 lean_inc(x_302);
 lean_inc(x_301);
@@ -9298,114 +9752,119 @@ lean_inc(x_299);
 lean_inc(x_298);
 lean_inc(x_297);
 lean_inc(x_296);
+lean_inc(x_295);
 lean_dec(x_6);
-x_306 = lean_ctor_get(x_7, 0);
+x_305 = lean_ctor_get(x_7, 0);
+lean_inc(x_305);
+x_306 = lean_ctor_get(x_7, 2);
 lean_inc(x_306);
-x_307 = lean_ctor_get(x_7, 2);
+x_307 = lean_ctor_get(x_7, 3);
 lean_inc(x_307);
-x_308 = lean_ctor_get(x_7, 3);
+x_308 = lean_ctor_get(x_7, 4);
 lean_inc(x_308);
-x_309 = lean_ctor_get(x_7, 4);
-lean_inc(x_309);
 if (lean_is_exclusive(x_7)) {
  lean_ctor_release(x_7, 0);
  lean_ctor_release(x_7, 1);
  lean_ctor_release(x_7, 2);
  lean_ctor_release(x_7, 3);
  lean_ctor_release(x_7, 4);
- x_310 = x_7;
+ x_309 = x_7;
 } else {
  lean_dec_ref(x_7);
- x_310 = lean_box(0);
+ x_309 = lean_box(0);
 }
-x_311 = lean_ctor_get(x_8, 1);
+x_310 = lean_ctor_get(x_8, 1);
+lean_inc(x_310);
+x_311 = lean_ctor_get(x_8, 4);
 lean_inc(x_311);
-x_312 = lean_ctor_get(x_8, 4);
-lean_inc(x_312);
-x_313 = lean_array_get_size(x_307);
-x_314 = lean_array_get_size(x_312);
-x_315 = lean_nat_dec_eq(x_313, x_314);
-lean_dec(x_314);
+x_312 = lean_array_get_size(x_306);
+x_313 = lean_array_get_size(x_311);
+x_314 = lean_nat_dec_eq(x_312, x_313);
 lean_dec(x_313);
-lean_inc(x_312);
-if (lean_is_scalar(x_310)) {
- x_316 = lean_alloc_ctor(0, 5, 0);
+lean_dec(x_312);
+lean_inc(x_311);
+if (lean_is_scalar(x_309)) {
+ x_315 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_316 = x_310;
+ x_315 = x_309;
 }
-lean_ctor_set(x_316, 0, x_306);
-lean_ctor_set(x_316, 1, x_311);
-lean_ctor_set(x_316, 2, x_312);
-lean_ctor_set(x_316, 3, x_308);
-lean_ctor_set(x_316, 4, x_309);
-x_317 = lean_alloc_ctor(0, 10, 1);
+lean_ctor_set(x_315, 0, x_305);
+lean_ctor_set(x_315, 1, x_310);
+lean_ctor_set(x_315, 2, x_311);
+lean_ctor_set(x_315, 3, x_307);
+lean_ctor_set(x_315, 4, x_308);
+x_316 = lean_alloc_ctor(0, 10, 1);
+lean_ctor_set(x_316, 0, x_315);
+lean_ctor_set(x_316, 1, x_295);
+lean_ctor_set(x_316, 2, x_296);
+lean_ctor_set(x_316, 3, x_297);
+lean_ctor_set(x_316, 4, x_298);
+lean_ctor_set(x_316, 5, x_299);
+lean_ctor_set(x_316, 6, x_300);
+lean_ctor_set(x_316, 7, x_301);
+lean_ctor_set(x_316, 8, x_302);
+lean_ctor_set(x_316, 9, x_303);
+lean_ctor_set_uint8(x_316, sizeof(void*)*10, x_304);
+x_317 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_317, 0, x_316);
-lean_ctor_set(x_317, 1, x_296);
-lean_ctor_set(x_317, 2, x_297);
-lean_ctor_set(x_317, 3, x_298);
-lean_ctor_set(x_317, 4, x_299);
-lean_ctor_set(x_317, 5, x_300);
-lean_ctor_set(x_317, 6, x_301);
-lean_ctor_set(x_317, 7, x_302);
-lean_ctor_set(x_317, 8, x_303);
-lean_ctor_set(x_317, 9, x_304);
-lean_ctor_set_uint8(x_317, sizeof(void*)*10, x_305);
-x_318 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_318, 0, x_317);
-lean_ctor_set(x_318, 1, x_10);
-lean_ctor_set(x_318, 2, x_11);
-if (x_315 == 0)
+lean_ctor_set(x_317, 1, x_10);
+lean_ctor_set(x_317, 2, x_11);
+if (x_314 == 0)
 {
-lean_object* x_319; 
-lean_dec(x_312);
-lean_dec(x_307);
+lean_object* x_318; 
+lean_dec(x_311);
+lean_dec(x_306);
 lean_dec(x_8);
 lean_dec(x_3);
-x_319 = lean_apply_2(x_2, x_318, x_9);
-return x_319;
+x_318 = lean_apply_2(x_2, x_317, x_9);
+return x_318;
 }
 else
 {
-lean_object* x_320; uint8_t x_321; 
-x_320 = lean_unsigned_to_nat(0u);
-x_321 = l_Array_isEqvAux___main___at_Lean_Elab_Tactic_withMVarContext___spec__1(x_3, x_8, lean_box(0), x_307, x_312, x_320);
-lean_dec(x_312);
-lean_dec(x_307);
+lean_object* x_319; uint8_t x_320; 
+x_319 = lean_unsigned_to_nat(0u);
+x_320 = l_Array_isEqvAux___main___at_Lean_Elab_Tactic_withMVarContext___spec__1(x_3, x_8, lean_box(0), x_306, x_311, x_319);
+lean_dec(x_311);
+lean_dec(x_306);
 lean_dec(x_8);
 lean_dec(x_3);
-if (x_321 == 0)
+if (x_320 == 0)
 {
-lean_object* x_322; 
-x_322 = lean_apply_2(x_2, x_318, x_9);
-return x_322;
+lean_object* x_321; 
+x_321 = lean_apply_2(x_2, x_317, x_9);
+return x_321;
 }
 else
 {
-lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; 
-x_323 = lean_ctor_get(x_9, 0);
+lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; 
+x_322 = lean_ctor_get(x_9, 0);
+lean_inc(x_322);
+x_323 = lean_ctor_get(x_322, 0);
 lean_inc(x_323);
-x_324 = lean_ctor_get(x_323, 0);
+lean_dec(x_322);
+x_324 = lean_ctor_get(x_323, 2);
 lean_inc(x_324);
 lean_dec(x_323);
 x_325 = lean_ctor_get(x_324, 2);
 lean_inc(x_325);
 lean_dec(x_324);
-x_326 = lean_ctor_get(x_325, 2);
-lean_inc(x_326);
-lean_dec(x_325);
-x_327 = l_Lean_Elab_Tactic_resetSynthInstanceCache___closed__1;
-lean_inc(x_318);
-x_328 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_327, x_318, x_9);
-if (lean_obj_tag(x_328) == 0)
+x_326 = l_Lean_Elab_Tactic_resetSynthInstanceCache___closed__1;
+lean_inc(x_317);
+x_327 = l_Lean_Elab_Tactic_liftTermElabM___rarg(x_326, x_317, x_9);
+if (lean_obj_tag(x_327) == 0)
 {
-lean_object* x_329; lean_object* x_330; 
-x_329 = lean_ctor_get(x_328, 1);
-lean_inc(x_329);
-lean_dec(x_328);
-x_330 = lean_apply_2(x_2, x_318, x_329);
+lean_object* x_328; lean_object* x_329; lean_object* x_330; 
+x_328 = lean_ctor_get(x_327, 1);
+lean_inc(x_328);
+lean_dec(x_327);
+x_329 = l_Lean_Elab_Tactic_save(x_328);
+lean_inc(x_328);
+x_330 = lean_apply_2(x_2, x_317, x_328);
 if (lean_obj_tag(x_330) == 0)
 {
 lean_object* x_331; lean_object* x_332; 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; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; 
+lean_dec(x_329);
+lean_dec(x_328);
 x_331 = lean_ctor_get(x_330, 1);
 lean_inc(x_331);
 x_332 = lean_ctor_get(x_331, 0);
@@ -9498,7 +9957,7 @@ if (lean_is_scalar(x_353)) {
 }
 lean_ctor_set(x_354, 0, x_351);
 lean_ctor_set(x_354, 1, x_352);
-lean_ctor_set(x_354, 2, x_326);
+lean_ctor_set(x_354, 2, x_325);
 if (lean_is_scalar(x_350)) {
  x_355 = lean_alloc_ctor(0, 6, 0);
 } else {
@@ -9539,165 +9998,168 @@ return x_358;
 }
 else
 {
-lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; 
-x_359 = lean_ctor_get(x_330, 1);
+lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; 
+x_359 = lean_ctor_get(x_330, 0);
 lean_inc(x_359);
-x_360 = lean_ctor_get(x_359, 0);
+x_360 = lean_ctor_get(x_330, 1);
 lean_inc(x_360);
-x_361 = lean_ctor_get(x_360, 0);
-lean_inc(x_361);
-x_362 = lean_ctor_get(x_361, 2);
-lean_inc(x_362);
-x_363 = lean_ctor_get(x_330, 0);
-lean_inc(x_363);
 if (lean_is_exclusive(x_330)) {
  lean_ctor_release(x_330, 0);
  lean_ctor_release(x_330, 1);
- x_364 = x_330;
+ x_361 = x_330;
 } else {
  lean_dec_ref(x_330);
- x_364 = lean_box(0);
+ x_361 = lean_box(0);
 }
-x_365 = lean_ctor_get(x_359, 1);
+x_362 = l_Lean_Elab_Tactic_restore(x_360, x_329);
+lean_dec(x_329);
+x_363 = lean_ctor_get(x_362, 0);
+lean_inc(x_363);
+lean_dec(x_362);
+x_364 = lean_ctor_get(x_363, 0);
+lean_inc(x_364);
+x_365 = lean_ctor_get(x_364, 2);
 lean_inc(x_365);
-if (lean_is_exclusive(x_359)) {
- lean_ctor_release(x_359, 0);
- lean_ctor_release(x_359, 1);
- x_366 = x_359;
-} else {
- lean_dec_ref(x_359);
- x_366 = lean_box(0);
-}
-x_367 = lean_ctor_get(x_360, 1);
+x_366 = lean_ctor_get(x_363, 1);
+lean_inc(x_366);
+x_367 = lean_ctor_get(x_363, 2);
 lean_inc(x_367);
-x_368 = lean_ctor_get(x_360, 2);
+x_368 = lean_ctor_get(x_363, 3);
 lean_inc(x_368);
-x_369 = lean_ctor_get(x_360, 3);
+x_369 = lean_ctor_get(x_363, 4);
 lean_inc(x_369);
-x_370 = lean_ctor_get(x_360, 4);
+x_370 = lean_ctor_get(x_363, 5);
 lean_inc(x_370);
-x_371 = lean_ctor_get(x_360, 5);
-lean_inc(x_371);
-if (lean_is_exclusive(x_360)) {
- lean_ctor_release(x_360, 0);
- lean_ctor_release(x_360, 1);
- lean_ctor_release(x_360, 2);
- lean_ctor_release(x_360, 3);
- lean_ctor_release(x_360, 4);
- lean_ctor_release(x_360, 5);
- x_372 = x_360;
+if (lean_is_exclusive(x_363)) {
+ lean_ctor_release(x_363, 0);
+ lean_ctor_release(x_363, 1);
+ lean_ctor_release(x_363, 2);
+ lean_ctor_release(x_363, 3);
+ lean_ctor_release(x_363, 4);
+ lean_ctor_release(x_363, 5);
+ x_371 = x_363;
 } else {
- lean_dec_ref(x_360);
- x_372 = lean_box(0);
+ lean_dec_ref(x_363);
+ x_371 = lean_box(0);
 }
-x_373 = lean_ctor_get(x_361, 0);
+x_372 = lean_ctor_get(x_364, 0);
+lean_inc(x_372);
+x_373 = lean_ctor_get(x_364, 1);
 lean_inc(x_373);
-x_374 = lean_ctor_get(x_361, 1);
+x_374 = lean_ctor_get(x_364, 3);
 lean_inc(x_374);
-x_375 = lean_ctor_get(x_361, 3);
+x_375 = lean_ctor_get(x_364, 4);
 lean_inc(x_375);
-x_376 = lean_ctor_get(x_361, 4);
+x_376 = lean_ctor_get(x_364, 5);
 lean_inc(x_376);
-x_377 = lean_ctor_get(x_361, 5);
-lean_inc(x_377);
-if (lean_is_exclusive(x_361)) {
- lean_ctor_release(x_361, 0);
- lean_ctor_release(x_361, 1);
- lean_ctor_release(x_361, 2);
- lean_ctor_release(x_361, 3);
- lean_ctor_release(x_361, 4);
- lean_ctor_release(x_361, 5);
- x_378 = x_361;
+if (lean_is_exclusive(x_364)) {
+ lean_ctor_release(x_364, 0);
+ lean_ctor_release(x_364, 1);
+ lean_ctor_release(x_364, 2);
+ lean_ctor_release(x_364, 3);
+ lean_ctor_release(x_364, 4);
+ lean_ctor_release(x_364, 5);
+ x_377 = x_364;
 } else {
- lean_dec_ref(x_361);
- x_378 = lean_box(0);
+ lean_dec_ref(x_364);
+ x_377 = lean_box(0);
 }
-x_379 = lean_ctor_get(x_362, 0);
+x_378 = lean_ctor_get(x_365, 0);
+lean_inc(x_378);
+x_379 = lean_ctor_get(x_365, 1);
 lean_inc(x_379);
-x_380 = lean_ctor_get(x_362, 1);
-lean_inc(x_380);
-if (lean_is_exclusive(x_362)) {
- lean_ctor_release(x_362, 0);
- lean_ctor_release(x_362, 1);
- lean_ctor_release(x_362, 2);
- x_381 = x_362;
+if (lean_is_exclusive(x_365)) {
+ lean_ctor_release(x_365, 0);
+ lean_ctor_release(x_365, 1);
+ lean_ctor_release(x_365, 2);
+ x_380 = x_365;
 } else {
- lean_dec_ref(x_362);
- x_381 = lean_box(0);
+ lean_dec_ref(x_365);
+ x_380 = lean_box(0);
 }
-if (lean_is_scalar(x_381)) {
- x_382 = lean_alloc_ctor(0, 3, 0);
+if (lean_is_scalar(x_380)) {
+ x_381 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_382 = x_381;
+ x_381 = x_380;
 }
-lean_ctor_set(x_382, 0, x_379);
-lean_ctor_set(x_382, 1, x_380);
-lean_ctor_set(x_382, 2, x_326);
-if (lean_is_scalar(x_378)) {
+lean_ctor_set(x_381, 0, x_378);
+lean_ctor_set(x_381, 1, x_379);
+lean_ctor_set(x_381, 2, x_325);
+if (lean_is_scalar(x_377)) {
+ x_382 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_382 = x_377;
+}
+lean_ctor_set(x_382, 0, x_372);
+lean_ctor_set(x_382, 1, x_373);
+lean_ctor_set(x_382, 2, x_381);
+lean_ctor_set(x_382, 3, x_374);
+lean_ctor_set(x_382, 4, x_375);
+lean_ctor_set(x_382, 5, x_376);
+if (lean_is_scalar(x_371)) {
  x_383 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_383 = x_378;
+ x_383 = x_371;
 }
-lean_ctor_set(x_383, 0, x_373);
-lean_ctor_set(x_383, 1, x_374);
-lean_ctor_set(x_383, 2, x_382);
-lean_ctor_set(x_383, 3, x_375);
-lean_ctor_set(x_383, 4, x_376);
-lean_ctor_set(x_383, 5, x_377);
-if (lean_is_scalar(x_372)) {
- x_384 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_383, 0, x_382);
+lean_ctor_set(x_383, 1, x_366);
+lean_ctor_set(x_383, 2, x_367);
+lean_ctor_set(x_383, 3, x_368);
+lean_ctor_set(x_383, 4, x_369);
+lean_ctor_set(x_383, 5, x_370);
+x_384 = lean_ctor_get(x_328, 1);
+lean_inc(x_384);
+if (lean_is_exclusive(x_328)) {
+ lean_ctor_release(x_328, 0);
+ lean_ctor_release(x_328, 1);
+ x_385 = x_328;
 } else {
- x_384 = x_372;
+ lean_dec_ref(x_328);
+ x_385 = lean_box(0);
 }
-lean_ctor_set(x_384, 0, x_383);
-lean_ctor_set(x_384, 1, x_367);
-lean_ctor_set(x_384, 2, x_368);
-lean_ctor_set(x_384, 3, x_369);
-lean_ctor_set(x_384, 4, x_370);
-lean_ctor_set(x_384, 5, x_371);
-if (lean_is_scalar(x_366)) {
- x_385 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_385)) {
+ x_386 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_385 = x_366;
+ x_386 = x_385;
 }
-lean_ctor_set(x_385, 0, x_384);
-lean_ctor_set(x_385, 1, x_365);
-if (lean_is_scalar(x_364)) {
- x_386 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_386, 0, x_383);
+lean_ctor_set(x_386, 1, x_384);
+if (lean_is_scalar(x_361)) {
+ x_387 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_386 = x_364;
+ x_387 = x_361;
 }
-lean_ctor_set(x_386, 0, x_363);
-lean_ctor_set(x_386, 1, x_385);
-return x_386;
+lean_ctor_set(x_387, 0, x_359);
+lean_ctor_set(x_387, 1, x_386);
+return x_387;
 }
 }
 else
 {
-lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; 
-lean_dec(x_326);
-lean_dec(x_318);
+lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; 
+lean_dec(x_325);
+lean_dec(x_317);
 lean_dec(x_2);
-x_387 = lean_ctor_get(x_328, 0);
-lean_inc(x_387);
-x_388 = lean_ctor_get(x_328, 1);
+x_388 = lean_ctor_get(x_327, 0);
 lean_inc(x_388);
-if (lean_is_exclusive(x_328)) {
- lean_ctor_release(x_328, 0);
- lean_ctor_release(x_328, 1);
- x_389 = x_328;
+x_389 = lean_ctor_get(x_327, 1);
+lean_inc(x_389);
+if (lean_is_exclusive(x_327)) {
+ lean_ctor_release(x_327, 0);
+ lean_ctor_release(x_327, 1);
+ x_390 = x_327;
 } else {
- lean_dec_ref(x_328);
- x_389 = lean_box(0);
+ lean_dec_ref(x_327);
+ x_390 = lean_box(0);
 }
-if (lean_is_scalar(x_389)) {
- x_390 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_390)) {
+ x_391 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_390 = x_389;
+ x_391 = x_390;
 }
-lean_ctor_set(x_390, 0, x_387);
-lean_ctor_set(x_390, 1, x_388);
-return x_390;
+lean_ctor_set(x_391, 0, x_388);
+lean_ctor_set(x_391, 1, x_389);
+return x_391;
 }
 }
 }
@@ -9763,6 +10225,303 @@ lean_dec(x_1);
 return x_2;
 }
 }
+lean_object* l_Lean_Elab_Tactic_setGoals(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = !lean_is_exclusive(x_3);
+if (x_4 == 0)
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_5 = lean_ctor_get(x_3, 1);
+lean_dec(x_5);
+lean_ctor_set(x_3, 1, x_1);
+x_6 = lean_box(0);
+x_7 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_7, 0, x_6);
+lean_ctor_set(x_7, 1, x_3);
+return x_7;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_8 = lean_ctor_get(x_3, 0);
+lean_inc(x_8);
+lean_dec(x_3);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_1);
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_9);
+return x_11;
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_setGoals___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Elab_Tactic_setGoals(x_1, x_2, x_3);
+lean_dec(x_2);
+return x_4;
+}
+}
+lean_object* l_List_filterAuxM___main___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+lean_object* x_5; 
+lean_dec(x_3);
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_2);
+lean_ctor_set(x_5, 1, x_4);
+return x_5;
+}
+else
+{
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_1);
+if (x_6 == 0)
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_1, 0);
+x_8 = lean_ctor_get(x_1, 1);
+lean_inc(x_3);
+lean_inc(x_7);
+x_9 = l_Lean_Elab_Tactic_isExprMVarAssigned(x_7, x_3, x_4);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_unbox(x_10);
+lean_dec(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_9, 1);
+lean_inc(x_12);
+lean_dec(x_9);
+lean_ctor_set(x_1, 1, x_2);
+{
+lean_object* _tmp_0 = x_8;
+lean_object* _tmp_1 = x_1;
+lean_object* _tmp_3 = x_12;
+x_1 = _tmp_0;
+x_2 = _tmp_1;
+x_4 = _tmp_3;
+}
+goto _start;
+}
+else
+{
+lean_object* x_14; 
+lean_free_object(x_1);
+lean_dec(x_7);
+x_14 = lean_ctor_get(x_9, 1);
+lean_inc(x_14);
+lean_dec(x_9);
+x_1 = x_8;
+x_4 = x_14;
+goto _start;
+}
+}
+else
+{
+uint8_t x_16; 
+lean_free_object(x_1);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_2);
+x_16 = !lean_is_exclusive(x_9);
+if (x_16 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_9, 0);
+x_18 = lean_ctor_get(x_9, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_9);
+x_19 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_1, 0);
+x_21 = lean_ctor_get(x_1, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_1);
+lean_inc(x_3);
+lean_inc(x_20);
+x_22 = l_Lean_Elab_Tactic_isExprMVarAssigned(x_20, x_3, x_4);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; uint8_t x_24; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_unbox(x_23);
+lean_dec(x_23);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_ctor_get(x_22, 1);
+lean_inc(x_25);
+lean_dec(x_22);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_20);
+lean_ctor_set(x_26, 1, x_2);
+x_1 = x_21;
+x_2 = x_26;
+x_4 = x_25;
+goto _start;
+}
+else
+{
+lean_object* x_28; 
+lean_dec(x_20);
+x_28 = lean_ctor_get(x_22, 1);
+lean_inc(x_28);
+lean_dec(x_22);
+x_1 = x_21;
+x_4 = x_28;
+goto _start;
+}
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_21);
+lean_dec(x_20);
+lean_dec(x_3);
+lean_dec(x_2);
+x_30 = lean_ctor_get(x_22, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_22, 1);
+lean_inc(x_31);
+if (lean_is_exclusive(x_22)) {
+ lean_ctor_release(x_22, 0);
+ lean_ctor_release(x_22, 1);
+ x_32 = x_22;
+} else {
+ lean_dec_ref(x_22);
+ x_32 = lean_box(0);
+}
+if (lean_is_scalar(x_32)) {
+ x_33 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_33 = x_32;
+}
+lean_ctor_set(x_33, 0, x_30);
+lean_ctor_set(x_33, 1, x_31);
+return x_33;
+}
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_pruneSolvedGoals(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; lean_object* x_7; 
+x_3 = l_Lean_Elab_Tactic_getGoals___rarg(x_2);
+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);
+x_6 = lean_box(0);
+lean_inc(x_1);
+x_7 = l_List_filterAuxM___main___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1(x_4, x_6, x_1, x_5);
+if (lean_obj_tag(x_7) == 0)
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+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_List_reverse___rarg(x_8);
+x_11 = l_Lean_Elab_Tactic_setGoals(x_10, x_1, x_9);
+lean_dec(x_1);
+return x_11;
+}
+else
+{
+uint8_t x_12; 
+lean_dec(x_1);
+x_12 = !lean_is_exclusive(x_7);
+if (x_12 == 0)
+{
+return x_7;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_7, 0);
+x_14 = lean_ctor_get(x_7, 1);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_7);
+x_15 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_15, 0, x_13);
+lean_ctor_set(x_15, 1, x_14);
+return x_15;
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_getUnsolvedGoals(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Elab_Tactic_pruneSolvedGoals(x_1, x_2);
+if (lean_obj_tag(x_3) == 0)
+{
+lean_object* x_4; lean_object* x_5; 
+x_4 = lean_ctor_get(x_3, 1);
+lean_inc(x_4);
+lean_dec(x_3);
+x_5 = l_Lean_Elab_Tactic_getGoals___rarg(x_4);
+return x_5;
+}
+else
+{
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_3);
+if (x_6 == 0)
+{
+return x_3;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_3, 0);
+x_8 = lean_ctor_get(x_3, 1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_dec(x_3);
+x_9 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_9, 0, x_7);
+lean_ctor_set(x_9, 1, x_8);
+return x_9;
+}
+}
+}
+}
 lean_object* _init_l_Lean_Elab_Tactic_getMainGoal___closed__1() {
 _start:
 {
@@ -9794,8 +10553,12 @@ return x_2;
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; 
-x_4 = l_Lean_Elab_Tactic_getGoals___rarg(x_3);
+lean_object* x_4; 
+lean_inc(x_2);
+x_4 = l_Lean_Elab_Tactic_getUnsolvedGoals(x_2, x_3);
+if (lean_obj_tag(x_4) == 0)
+{
+lean_object* x_5; 
 x_5 = lean_ctor_get(x_4, 0);
 lean_inc(x_5);
 if (lean_obj_tag(x_5) == 0)
@@ -9851,49 +10614,31 @@ return x_18;
 }
 }
 }
-}
-lean_object* l_Lean_Elab_Tactic_updateGoals(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
+else
 {
-uint8_t x_4; 
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
+uint8_t x_19; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_19 = !lean_is_exclusive(x_4);
+if (x_19 == 0)
 {
-lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = lean_ctor_get(x_3, 1);
-lean_dec(x_5);
-lean_ctor_set(x_3, 1, x_1);
-x_6 = lean_box(0);
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_6);
-lean_ctor_set(x_7, 1, x_3);
-return x_7;
+return x_4;
 }
 else
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = lean_ctor_get(x_3, 0);
-lean_inc(x_8);
-lean_dec(x_3);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_8);
-lean_ctor_set(x_9, 1, x_1);
-x_10 = lean_box(0);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_10);
-lean_ctor_set(x_11, 1, x_9);
-return x_11;
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_4, 0);
+x_21 = lean_ctor_get(x_4, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_4);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
-lean_object* l_Lean_Elab_Tactic_updateGoals___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_Elab_Tactic_updateGoals(x_1, x_2, x_3);
-lean_dec(x_2);
-return x_4;
-}
 }
 lean_object* _init_l_Lean_Elab_Tactic_ensureHasNoMVars___closed__1() {
 _start:
@@ -10032,7 +10777,7 @@ _start:
 {
 lean_object* x_5; lean_object* x_6; 
 x_5 = l_List_append___rarg(x_2, x_1);
-x_6 = l_Lean_Elab_Tactic_updateGoals(x_5, x_3, x_4);
+x_6 = l_Lean_Elab_Tactic_setGoals(x_5, x_3, x_4);
 return x_6;
 }
 }
@@ -10106,6 +10851,251 @@ lean_dec(x_3);
 return x_5;
 }
 }
+lean_object* l_Lean_Elab_Tactic_done(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+lean_inc(x_2);
+x_4 = l_Lean_Elab_Tactic_getUnsolvedGoals(x_2, x_3);
+if (lean_obj_tag(x_4) == 0)
+{
+uint8_t x_5; 
+x_5 = !lean_is_exclusive(x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_6 = lean_ctor_get(x_4, 0);
+x_7 = lean_ctor_get(x_4, 1);
+x_8 = l_List_isEmpty___rarg(x_6);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+lean_free_object(x_4);
+x_9 = l_Lean_Elab_Tactic_reportUnsolvedGoals(x_1, x_6, x_2, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; 
+lean_dec(x_6);
+lean_dec(x_2);
+lean_dec(x_1);
+x_10 = lean_box(0);
+lean_ctor_set(x_4, 0, x_10);
+return x_4;
+}
+}
+else
+{
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_11 = lean_ctor_get(x_4, 0);
+x_12 = lean_ctor_get(x_4, 1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_dec(x_4);
+x_13 = l_List_isEmpty___rarg(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; 
+x_14 = l_Lean_Elab_Tactic_reportUnsolvedGoals(x_1, x_11, x_2, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; 
+lean_dec(x_11);
+lean_dec(x_2);
+lean_dec(x_1);
+x_15 = lean_box(0);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_12);
+return x_16;
+}
+}
+}
+else
+{
+uint8_t x_17; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = !lean_is_exclusive(x_4);
+if (x_17 == 0)
+{
+return x_4;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_4, 0);
+x_19 = lean_ctor_get(x_4, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_4);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_focus___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+lean_inc(x_3);
+lean_inc(x_1);
+x_5 = l_Lean_Elab_Tactic_getMainGoal(x_1, x_3, x_4);
+if (lean_obj_tag(x_5) == 0)
+{
+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; lean_object* x_13; lean_object* x_14; 
+x_6 = lean_ctor_get(x_5, 0);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_5, 1);
+lean_inc(x_7);
+lean_dec(x_5);
+x_8 = lean_ctor_get(x_6, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_6, 1);
+lean_inc(x_9);
+lean_dec(x_6);
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_11, 0, x_8);
+lean_ctor_set(x_11, 1, x_10);
+x_12 = l_Lean_Elab_Tactic_setGoals(x_11, x_3, x_7);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+lean_inc(x_3);
+x_14 = lean_apply_2(x_2, x_3, x_13);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+lean_inc(x_3);
+x_17 = l_Lean_Elab_Tactic_done(x_1, x_3, x_16);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+lean_dec(x_17);
+x_19 = l_Lean_Elab_Tactic_setGoals(x_9, x_3, x_18);
+lean_dec(x_3);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+lean_ctor_set(x_19, 0, x_15);
+return x_19;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_15);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_15);
+lean_dec(x_9);
+lean_dec(x_3);
+x_24 = !lean_is_exclusive(x_17);
+if (x_24 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_17, 0);
+x_26 = lean_ctor_get(x_17, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_17);
+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
+{
+uint8_t x_28; 
+lean_dec(x_9);
+lean_dec(x_3);
+lean_dec(x_1);
+x_28 = !lean_is_exclusive(x_14);
+if (x_28 == 0)
+{
+return x_14;
+}
+else
+{
+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_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
+{
+uint8_t x_32; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_32 = !lean_is_exclusive(x_5);
+if (x_32 == 0)
+{
+return x_5;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_5, 0);
+x_34 = lean_ctor_get(x_5, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_5);
+x_35 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+return x_35;
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_focus(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_focus___rarg), 4, 0);
+return x_2;
+}
+}
 lean_object* l_Lean_Elab_Tactic_evalSeq(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -11026,7 +12016,7 @@ lean_object* x_18; lean_object* x_19;
 x_18 = lean_ctor_get(x_17, 1);
 lean_inc(x_18);
 lean_dec(x_17);
-x_19 = l_Lean_Elab_Tactic_updateGoals(x_13, x_2, x_18);
+x_19 = l_Lean_Elab_Tactic_setGoals(x_13, x_2, x_18);
 lean_dec(x_2);
 return x_19;
 }
@@ -11130,6 +12120,437 @@ x_5 = l_Lean_Elab_Tactic_addBuiltinTactic(x_2, x_3, x_4, x_1);
 return x_5;
 }
 }
+lean_object* l_Lean_Elab_Tactic_evalRefine___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:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_4, 2);
+lean_inc(x_7);
+x_8 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_inc(x_5);
+lean_inc(x_8);
+x_9 = l_Lean_Elab_Tactic_elabTerm(x_1, x_8, x_5, x_6);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+lean_inc(x_5);
+lean_inc(x_2);
+x_12 = l_Lean_Elab_Tactic_ensureHasType(x_2, x_8, x_10, x_5, x_11);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+lean_dec(x_12);
+lean_inc(x_5);
+lean_inc(x_13);
+x_15 = l_Lean_Elab_Tactic_assignExprMVar(x_3, x_13, x_5, x_14);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = l_Lean_Elab_Tactic_collectMVars(x_2, x_13, x_5, x_16);
+return x_17;
+}
+else
+{
+uint8_t x_18; 
+lean_dec(x_13);
+lean_dec(x_5);
+lean_dec(x_2);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_15, 0);
+x_20 = lean_ctor_get(x_15, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_15);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
+}
+}
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+x_22 = !lean_is_exclusive(x_12);
+if (x_22 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_12, 0);
+x_24 = lean_ctor_get(x_12, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_12);
+x_25 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+return x_25;
+}
+}
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+x_26 = !lean_is_exclusive(x_9);
+if (x_26 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_9, 0);
+x_28 = lean_ctor_get(x_9, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_9);
+x_29 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
+}
+}
+}
+}
+lean_object* _init_l_Lean_Elab_Tactic_evalRefine___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__3;
+x_2 = l_Lean_Parser_Tactic_refine___elambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_Elab_Tactic_evalRefine(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; lean_object* x_31; uint8_t x_32; 
+x_31 = l_Lean_Elab_Tactic_evalRefine___closed__1;
+lean_inc(x_1);
+x_32 = l_Lean_Syntax_isOfKind(x_1, x_31);
+if (x_32 == 0)
+{
+uint8_t x_33; 
+x_33 = 0;
+x_4 = x_33;
+goto block_30;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_34 = l_Lean_Syntax_getArgs(x_1);
+x_35 = lean_array_get_size(x_34);
+lean_dec(x_34);
+x_36 = lean_unsigned_to_nat(2u);
+x_37 = lean_nat_dec_eq(x_35, x_36);
+lean_dec(x_35);
+x_4 = x_37;
+goto block_30;
+}
+block_30:
+{
+uint8_t x_5; 
+x_5 = l_coeDecidableEq(x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; 
+lean_dec(x_1);
+x_6 = l_Lean_Elab_Tactic_throwUnsupportedSyntax___rarg(x_2, x_3);
+return x_6;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_unsigned_to_nat(1u);
+x_8 = l_Lean_Syntax_getArg(x_1, x_7);
+lean_inc(x_2);
+lean_inc(x_1);
+x_9 = l_Lean_Elab_Tactic_getMainGoal(x_1, x_2, x_3);
+if (lean_obj_tag(x_9) == 0)
+{
+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_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_10, 1);
+lean_inc(x_13);
+lean_dec(x_10);
+lean_inc(x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_getMVarDecl___boxed), 3, 1);
+lean_closure_set(x_14, 0, x_12);
+lean_inc(x_12);
+x_15 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalRefine___lambda__1___boxed), 6, 3);
+lean_closure_set(x_15, 0, x_8);
+lean_closure_set(x_15, 1, x_1);
+lean_closure_set(x_15, 2, x_12);
+x_16 = lean_alloc_closure((void*)(l_ReaderT_bind___at_Lean_Elab_Tactic_monadLog___spec__2___rarg), 4, 2);
+lean_closure_set(x_16, 0, x_14);
+lean_closure_set(x_16, 1, x_15);
+lean_inc(x_2);
+x_17 = l_Lean_Elab_Tactic_withMVarContext___rarg(x_12, x_16, x_2, x_11);
+lean_dec(x_12);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = l_List_append___rarg(x_18, x_13);
+x_21 = l_Lean_Elab_Tactic_setGoals(x_20, x_2, x_19);
+lean_dec(x_2);
+return x_21;
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_13);
+lean_dec(x_2);
+x_22 = !lean_is_exclusive(x_17);
+if (x_22 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+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_dec(x_17);
+x_25 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+return x_25;
+}
+}
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_8);
+lean_dec(x_2);
+lean_dec(x_1);
+x_26 = !lean_is_exclusive(x_9);
+if (x_26 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_9, 0);
+x_28 = lean_ctor_get(x_9, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_9);
+x_29 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
+}
+}
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Tactic_evalRefine___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_Elab_Tactic_evalRefine___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_4);
+return x_7;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("evalRefine");
+return x_1;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_declareBuiltinTactic___closed__3;
+x_2 = l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalRefine), 3, 0);
+return x_1;
+}
+}
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = l_Lean_Elab_Tactic_evalRefine___closed__1;
+x_3 = l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2;
+x_4 = l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3;
+x_5 = l_Lean_Elab_Tactic_addBuiltinTactic(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
+lean_object* l_Lean_Elab_Tactic_evalNestedTacticBlock(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_4 = lean_unsigned_to_nat(1u);
+x_5 = l_Lean_Syntax_getArg(x_1, x_4);
+x_6 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalTactic), 3, 1);
+lean_closure_set(x_6, 0, x_5);
+x_7 = l_Lean_Elab_Tactic_focus___rarg(x_1, x_6, x_2, x_3);
+return x_7;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__3;
+x_2 = l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("evalNestedTacticBlock");
+return x_1;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_declareBuiltinTactic___closed__3;
+x_2 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalNestedTacticBlock), 3, 0);
+return x_1;
+}
+}
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1;
+x_3 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3;
+x_4 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4;
+x_5 = l_Lean_Elab_Tactic_addBuiltinTactic(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
+lean_object* l_Lean_Elab_Tactic_evalNestedTacticBlockCurly(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Elab_Tactic_evalNestedTacticBlock(x_1, x_2, x_3);
+return x_4;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_registerBuiltinTacticAttr___lambda__1___closed__3;
+x_2 = l_Lean_Parser_Tactic_nestedTacticBlockCurly___elambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("evalNestedTacticBlockCurly");
+return x_1;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Tactic_declareBuiltinTactic___closed__3;
+x_2 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalNestedTacticBlockCurly), 3, 0);
+return x_1;
+}
+}
+lean_object* l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1;
+x_3 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3;
+x_4 = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4;
+x_5 = l_Lean_Elab_Tactic_addBuiltinTactic(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
 lean_object* _init_l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses___closed__1() {
 _start:
 {
@@ -11196,6 +12617,7 @@ return x_13;
 }
 }
 }
+lean_object* initialize_Init_Lean_Util_CollectMVars(lean_object*);
 lean_object* initialize_Init_Lean_Elab_Util(lean_object*);
 lean_object* initialize_Init_Lean_Elab_Term(lean_object*);
 lean_object* initialize_Init_Lean_Meta_Tactic_Assumption(lean_object*);
@@ -11205,6 +12627,9 @@ lean_object* initialize_Init_Lean_Elab_Tactic_Basic(lean_object* w) {
 lean_object * res;
 if (_G_initialized) return lean_mk_io_result(lean_box(0));
 _G_initialized = true;
+res = initialize_Init_Lean_Util_CollectMVars(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 res = initialize_Init_Lean_Elab_Util(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
@@ -11217,12 +12642,32 @@ lean_dec_ref(res);
 res = initialize_Init_Lean_Meta_Tactic_Intro(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l_Lean_Elab_Term_reportUnsolvedGoals___closed__1 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__1);
+l_Lean_Elab_Term_reportUnsolvedGoals___closed__2 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__2);
+l_Lean_Elab_Term_reportUnsolvedGoals___closed__3 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__3);
+l_Lean_Elab_Term_reportUnsolvedGoals___closed__4 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__4);
+l_Lean_Elab_Term_reportUnsolvedGoals___closed__5 = _init_l_Lean_Elab_Term_reportUnsolvedGoals___closed__5();
+lean_mark_persistent(l_Lean_Elab_Term_reportUnsolvedGoals___closed__5);
 l_Lean_Elab_Tactic_State_inhabited___closed__1 = _init_l_Lean_Elab_Tactic_State_inhabited___closed__1();
 lean_mark_persistent(l_Lean_Elab_Tactic_State_inhabited___closed__1);
 l_Lean_Elab_Tactic_State_inhabited = _init_l_Lean_Elab_Tactic_State_inhabited();
 lean_mark_persistent(l_Lean_Elab_Tactic_State_inhabited);
+l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1 = _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__1);
+l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2 = _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2();
+lean_mark_persistent(l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__2);
+l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3 = _init_l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3();
+lean_mark_persistent(l_Lean_Elab_Tactic_EStateM_Backtrackable___closed__3);
+l_Lean_Elab_Tactic_EStateM_Backtrackable = _init_l_Lean_Elab_Tactic_EStateM_Backtrackable();
+lean_mark_persistent(l_Lean_Elab_Tactic_EStateM_Backtrackable);
 l_Lean_Elab_Tactic_liftTermElabM___rarg___closed__1 = _init_l_Lean_Elab_Tactic_liftTermElabM___rarg___closed__1();
 lean_mark_persistent(l_Lean_Elab_Tactic_liftTermElabM___rarg___closed__1);
+l_Lean_Elab_Tactic_collectMVars___closed__1 = _init_l_Lean_Elab_Tactic_collectMVars___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_collectMVars___closed__1);
 l_Lean_Elab_Tactic_monadLog___closed__1 = _init_l_Lean_Elab_Tactic_monadLog___closed__1();
 lean_mark_persistent(l_Lean_Elab_Tactic_monadLog___closed__1);
 l_Lean_Elab_Tactic_monadLog___closed__2 = _init_l_Lean_Elab_Tactic_monadLog___closed__2();
@@ -11394,6 +12839,39 @@ lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalExact___closed__3
 res = l___regBuiltinTactic_Lean_Elab_Tactic_evalExact(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l_Lean_Elab_Tactic_evalRefine___closed__1 = _init_l_Lean_Elab_Tactic_evalRefine___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalRefine___closed__1);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__1);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__2);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine___closed__3);
+res = l___regBuiltinTactic_Lean_Elab_Tactic_evalRefine(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__1);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__2);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__3);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock___closed__4);
+res = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlock(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__1);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__2);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__3);
+l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4 = _init_l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4();
+lean_mark_persistent(l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly___closed__4);
+res = l___regBuiltinTactic_Lean_Elab_Tactic_evalNestedTacticBlockCurly(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses___closed__1 = _init_l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses___closed__1();
 lean_mark_persistent(l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses___closed__1);
 res = l___private_Init_Lean_Elab_Tactic_Basic_2__regTraceClasses(lean_io_mk_world());
diff --git a/stage0/stdlib/Init/Lean/Elab/Term.c b/stage0/stdlib/Init/Lean/Elab/Term.c
index 1ab0e29fdc..ac324c4cdf 100644
--- a/stage0/stdlib/Init/Lean/Elab/Term.c
+++ b/stage0/stdlib/Init/Lean/Elab/Term.c
@@ -68,6 +68,7 @@ lean_object* l_Lean_Elab_Term_mkTermElabAttribute___closed__3;
 lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___closed__2;
 extern lean_object* l_IO_Prim_fopenFlags___closed__12;
 lean_object* l_Lean_Elab_Term_resettingSynthInstanceCacheWhen(lean_object*);
+lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2;
 lean_object* l_Lean_Elab_Term_monadLog___closed__3;
 lean_object* l_Lean_Format_pretty(lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabChar___closed__3;
@@ -83,6 +84,7 @@ lean_object* l___private_Init_Lean_Elab_Term_14__mkConsts___boxed(lean_object*,
 lean_object* l_Lean_Meta_mkAppM(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_levelMVarToParam___closed__1;
 lean_object* l_Lean_Elab_Term_elabParen(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Syntax_getIdAt(lean_object*, lean_object*);
 lean_object* l_ReaderT_read___at_Lean_Elab_Term_monadLog___spec__1(lean_object*, lean_object*);
 lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNum___closed__2;
 extern lean_object* l_Lean_maxRecDepthErrorMessage;
@@ -100,6 +102,7 @@ extern lean_object* l_Lean_Parser_Term_type___elambda__1___closed__2;
 uint8_t l_List_elem___main___at_Lean_addAliasEntry___spec__18(lean_object*, lean_object*);
 extern lean_object* l_Prod_HasRepr___rarg___closed__1;
 lean_object* l___private_Init_Lean_Elab_Term_4__isCDot___boxed(lean_object*);
+lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1;
 lean_object* l_Lean_Meta_Exception_toMessageData(lean_object*);
 lean_object* l_Lean_mkMVar(lean_object*);
 extern lean_object* l_Array_empty___closed__1;
@@ -215,6 +218,7 @@ lean_object* l_Lean_Elab_Term_termElabAttribute___closed__2;
 lean_object* l_Lean_Elab_Term_ensureHasType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_IO_ofExcept___at_Lean_registerClassAttr___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getTraceState(lean_object*);
+lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3;
 lean_object* l_Array_foldlStepMAux___main___at_Lean_Syntax_foldSepRevArgsM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshTypeMVar(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTermAux___main___closed__1;
@@ -352,6 +356,7 @@ lean_object* l___private_Init_Lean_Elab_Term_6__exceptionToSorry___closed__2;
 lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabListLit___closed__3;
 lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__3;
 lean_object* l_Lean_Elab_Term_logTrace(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Parser_Term_namedHole___elambda__1___closed__2;
 lean_object* l_Lean_Elab_Term_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_liftLevelM___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabStr___closed__2;
@@ -473,6 +478,7 @@ lean_object* l_Lean_Elab_Term_withNode___rarg(lean_object*, lean_object*, lean_o
 extern lean_object* l_Lean_nullKind___closed__2;
 lean_object* l_Lean_ParametricAttribute_setParam___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_foldlM___main___at___private_Init_Lean_Elab_Term_14__mkConsts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_elabNamedHole___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_termElabAttribute;
 lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__1;
 lean_object* l_fix1___rarg___lambda__1___boxed(lean_object*, lean_object*);
@@ -484,6 +490,7 @@ lean_object* l_Lean_Elab_Term_getDeclName_x3f___boxed(lean_object*, lean_object*
 lean_object* l_Lean_Elab_Term_isDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___closed__10;
 lean_object* l_Lean_ConstantInfo_lparams(lean_object*);
+lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole(lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshAnonymousName(lean_object*);
 lean_object* l_Lean_Elab_Term_withLCtx(lean_object*);
 lean_object* l_Lean_Elab_Term_withNode(lean_object*);
@@ -555,6 +562,7 @@ lean_object* l_PersistentArray_foldlM___at___private_Init_Lean_Elab_Term_3__from
 lean_object* l_Lean_Elab_Term_decLevel_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_ensureType___closed__1;
 lean_object* l_Lean_Elab_log___at_Lean_Elab_Term_logTrace___spec__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_elabNamedHole(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_getPos___at_Lean_Elab_Term_throwError___spec__2(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_expandCDot_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -17362,6 +17370,63 @@ x_5 = l_Lean_Elab_Term_addBuiltinTermElab(x_2, x_3, x_4, x_1);
 return x_5;
 }
 }
+lean_object* l_Lean_Elab_Term_elabNamedHole(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; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unsigned_to_nat(1u);
+x_6 = l_Lean_Syntax_getIdAt(x_1, x_5);
+x_7 = 2;
+x_8 = l_Lean_Elab_Term_mkFreshExprMVar(x_1, x_2, x_7, x_6, x_3, x_4);
+return x_8;
+}
+}
+lean_object* l_Lean_Elab_Term_elabNamedHole___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_Lean_Elab_Term_elabNamedHole(x_1, x_2, x_3, x_4);
+lean_dec(x_1);
+return x_5;
+}
+}
+lean_object* _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("elabNamedHole");
+return x_1;
+}
+}
+lean_object* _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_declareBuiltinTermElab___closed__4;
+x_2 = l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabNamedHole___boxed), 4, 0);
+return x_1;
+}
+}
+lean_object* l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = l_Lean_Parser_Term_namedHole___elambda__1___closed__2;
+x_3 = l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2;
+x_4 = l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3;
+x_5 = l_Lean_Elab_Term_addBuiltinTermElab(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
 lean_object* _init_l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__1() {
 _start:
 {
@@ -20802,6 +20867,15 @@ lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_Term_elabHole___closed__3)
 res = l___regBuiltinTermElab_Lean_Elab_Term_elabHole(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1 = _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1();
+lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__1);
+l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2 = _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2();
+lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__2);
+l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3 = _init_l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3();
+lean_mark_persistent(l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole___closed__3);
+res = l___regBuiltinTermElab_Lean_Elab_Term_elabNamedHole(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__1 = _init_l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__1();
 lean_mark_persistent(l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__1);
 l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__2 = _init_l___private_Init_Lean_Elab_Term_9__mkPairsAux___main___closed__2();
diff --git a/stage0/stdlib/Init/Lean/LocalContext.c b/stage0/stdlib/Init/Lean/LocalContext.c
index eea4ab8357..a018046955 100644
--- a/stage0/stdlib/Init/Lean/LocalContext.c
+++ b/stage0/stdlib/Init/Lean/LocalContext.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Init.Lean.LocalContext
-// Imports: Init.Data.PersistentArray.Basic Init.Data.PersistentHashMap.Basic Init.Lean.Expr
+// Imports: Init.Data.PersistentArray.Basic Init.Data.PersistentHashMap.Basic Init.Lean.Expr Init.Lean.Hygiene
 #include "runtime/lean.h"
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -19,6 +19,7 @@ lean_object* l_PersistentArray_forM___rarg(lean_object*, lean_object*, lean_obje
 lean_object* l_PersistentArray_foldlFromMAux___main___at_Lean_LocalContext_foldlFrom___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 uint8_t lean_local_ctx_uses_user_name(lean_object*, lean_object*);
+lean_object* l_Lean_extractMacroScopes(lean_object*);
 lean_object* l_Lean_LocalContext_mkLambda___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at_Lean_LocalContext_anyM___spec__2___rarg(lean_object*, lean_object*, lean_object*);
 size_t l_USize_add(size_t, size_t);
@@ -99,6 +100,7 @@ lean_object* l_PersistentArray_findM_x3f___rarg(lean_object*, lean_object*, lean
 size_t l_USize_shiftRight(size_t, size_t);
 lean_object* l_Array_indexOfAux___main___at_Lean_LocalContext_erase___spec__3(lean_object*, lean_object*, lean_object*);
 uint8_t l_PersistentArray_anyMAux___main___at_Lean_LocalContext_any___spec__2(lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_LocalContext_2__getUnusedNameAux(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_contains(lean_object*, lean_object*);
 lean_object* l_PersistentArray_anyMAux___main___at_Lean_LocalContext_any___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_LocalContext_foldl___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -170,7 +172,6 @@ lean_object* l_Nat_foldRevAux___main___at_Lean_LocalContext_mkBinding___spec__1_
 lean_object* l_Array_findRevMAux___main___at_Lean_LocalContext_findDeclRev_x3f___spec__5(lean_object*);
 uint8_t l_PersistentHashMap_isEmpty___at_Lean_LocalContext_isEmpty___spec__1(lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_LocalContext_getUnusedNameAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_findDeclM_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__5___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_findM_x3f___at_Lean_LocalContext_findDecl_x3f___spec__2___rarg___boxed(lean_object*, lean_object*);
@@ -310,10 +311,10 @@ lean_object* l_Lean_LocalContext_foldlFromM___boxed(lean_object*);
 lean_object* l_PersistentArray_anyM___at_Lean_LocalContext_anyM___spec__1___boxed(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___private_Init_Lean_LocalContext_2__getUnusedNameAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_eraseAux___main___at_Lean_LocalContext_erase___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_LocalContext_foldl___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentArray_foldlFromM___at_Lean_LocalContext_foldlFrom___spec__2(lean_object*);
-lean_object* l_Lean_LocalContext_getUnusedNameAux(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_LocalContext_anyM___spec__5___boxed(lean_object*);
 uint8_t l_Lean_LocalContext_any(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_get_x21___closed__1;
@@ -578,7 +579,7 @@ _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_LocalDecl_value___closed__1;
-x_2 = lean_unsigned_to_nat(49u);
+x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_LocalDecl_value___closed__2;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -1626,7 +1627,7 @@ _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_LocalDecl_value___closed__1;
-x_2 = lean_unsigned_to_nat(106u);
+x_2 = lean_unsigned_to_nat(107u);
 x_3 = lean_unsigned_to_nat(12u);
 x_4 = l_Lean_LocalContext_get_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -3114,7 +3115,7 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-lean_object* l_Lean_LocalContext_getUnusedNameAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_LocalContext_2__getUnusedNameAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; uint8_t x_5; 
@@ -3149,35 +3150,39 @@ goto _start;
 }
 }
 }
-lean_object* l_Lean_LocalContext_getUnusedNameAux(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Init_Lean_LocalContext_2__getUnusedNameAux(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_Lean_LocalContext_getUnusedNameAux___main(x_1, x_2, x_3);
+x_4 = l___private_Init_Lean_LocalContext_2__getUnusedNameAux___main(x_1, x_2, x_3);
 return x_4;
 }
 }
 lean_object* lean_local_ctx_get_unused_name(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-uint8_t x_3; 
-lean_inc(x_2);
+lean_object* x_3; lean_object* x_4; uint8_t x_5; 
+x_3 = l_Lean_extractMacroScopes(x_2);
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+lean_dec(x_3);
+lean_inc(x_4);
 lean_inc(x_1);
-x_3 = lean_local_ctx_uses_user_name(x_1, x_2);
-if (x_3 == 0)
+x_5 = lean_local_ctx_uses_user_name(x_1, x_4);
+if (x_5 == 0)
 {
 lean_dec(x_1);
-return x_2;
+return x_4;
 }
 else
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_unsigned_to_nat(1u);
-x_5 = l_Lean_LocalContext_getUnusedNameAux___main(x_1, x_2, x_4);
-x_6 = lean_ctor_get(x_5, 0);
-lean_inc(x_6);
-lean_dec(x_5);
-return x_6;
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_6 = lean_unsigned_to_nat(1u);
+x_7 = l___private_Init_Lean_LocalContext_2__getUnusedNameAux___main(x_1, x_4, x_6);
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+lean_dec(x_7);
+return x_8;
 }
 }
 }
@@ -5178,7 +5183,7 @@ _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_LocalDecl_value___closed__1;
-x_2 = lean_unsigned_to_nat(270u);
+x_2 = lean_unsigned_to_nat(272u);
 x_3 = lean_unsigned_to_nat(12u);
 x_4 = l_Lean_LocalContext_get_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -7215,6 +7220,7 @@ return x_4;
 lean_object* initialize_Init_Data_PersistentArray_Basic(lean_object*);
 lean_object* initialize_Init_Data_PersistentHashMap_Basic(lean_object*);
 lean_object* initialize_Init_Lean_Expr(lean_object*);
+lean_object* initialize_Init_Lean_Hygiene(lean_object*);
 static bool _G_initialized = false;
 lean_object* initialize_Init_Lean_LocalContext(lean_object* w) {
 lean_object * res;
@@ -7229,6 +7235,9 @@ lean_dec_ref(res);
 res = initialize_Init_Lean_Expr(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Init_Lean_Hygiene(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l_Lean_LocalDecl_Inhabited___closed__1 = _init_l_Lean_LocalDecl_Inhabited___closed__1();
 lean_mark_persistent(l_Lean_LocalDecl_Inhabited___closed__1);
 l_Lean_LocalDecl_Inhabited = _init_l_Lean_LocalDecl_Inhabited();
diff --git a/stage0/stdlib/Init/Lean/Meta/Tactic/Intro.c b/stage0/stdlib/Init/Lean/Meta/Tactic/Intro.c
index 84ed7dd20a..2869480cd1 100644
--- a/stage0/stdlib/Init/Lean/Meta/Tactic/Intro.c
+++ b/stage0/stdlib/Init/Lean/Meta/Tactic/Intro.c
@@ -22,7 +22,7 @@ extern lean_object* l_EIO_Monad___closed__1;
 lean_object* lean_local_ctx_mk_let_decl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_bind___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_isEqvAux___main___at_Lean_Meta_introN___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3___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_introN___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassQuick___main(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_empty___closed__1;
 lean_object* l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -46,7 +46,7 @@ lean_object* l_Lean_Meta_getMVarType(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introN___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__1___closed__5;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__1___closed__3;
@@ -66,6 +66,7 @@ lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_objec
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux___rarg(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_mkFreshExprMVar(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCore___at_Lean_Meta_introN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_LocalInstance_hasBeq___closed__1;
@@ -77,12 +78,12 @@ extern lean_object* l_Lean_Expr_Inhabited;
 lean_object* l_Lean_Meta_introNCoreAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalInstance_beq(lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkAuxName(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux___main___at_Lean_Meta_introN___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_getMVarTag___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCore___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(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_introN___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux___main(lean_object*);
 lean_object* l_Lean_Meta_introNCoreAux(lean_object*);
 lean_object* l_Lean_Meta_intro1___boxed(lean_object*, lean_object*, lean_object*);
@@ -163,150 +164,158 @@ return x_15;
 }
 }
 }
-lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Lean_Meta_introNCoreAux___main___rarg___lambda__2(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_6; 
-lean_inc(x_3);
-lean_inc(x_1);
-x_6 = l_Lean_Meta_mkLambda(x_1, x_3, x_4, x_5);
-if (lean_obj_tag(x_6) == 0)
-{
-uint8_t x_7; 
-x_7 = !lean_is_exclusive(x_6);
-if (x_7 == 0)
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_ctor_get(x_6, 1);
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_10 = lean_ctor_get(x_6, 0);
-x_11 = lean_ctor_get(x_8, 1);
-x_12 = l_Lean_MetavarContext_assignExpr(x_11, x_2, x_10);
-lean_ctor_set(x_8, 1, x_12);
-x_13 = l_Lean_Expr_mvarId_x21(x_3);
-lean_dec(x_3);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_1);
-lean_ctor_set(x_14, 1, x_13);
-lean_ctor_set(x_6, 0, x_14);
-return x_6;
-}
-else
-{
-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; lean_object* x_24; lean_object* x_25; 
-x_15 = lean_ctor_get(x_6, 0);
-x_16 = lean_ctor_get(x_8, 0);
-x_17 = lean_ctor_get(x_8, 1);
-x_18 = lean_ctor_get(x_8, 2);
-x_19 = lean_ctor_get(x_8, 3);
-x_20 = lean_ctor_get(x_8, 4);
-x_21 = lean_ctor_get(x_8, 5);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_inc(x_16);
+uint8_t x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_7 = 2;
+lean_inc(x_5);
+x_8 = l_Lean_Meta_mkFreshExprMVar(x_1, x_4, x_7, x_5, x_6);
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 1);
+lean_inc(x_10);
 lean_dec(x_8);
-x_22 = l_Lean_MetavarContext_assignExpr(x_17, x_2, x_15);
-x_23 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_23, 0, x_16);
-lean_ctor_set(x_23, 1, x_22);
-lean_ctor_set(x_23, 2, x_18);
-lean_ctor_set(x_23, 3, x_19);
-lean_ctor_set(x_23, 4, x_20);
-lean_ctor_set(x_23, 5, x_21);
-x_24 = l_Lean_Expr_mvarId_x21(x_3);
-lean_dec(x_3);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_1);
-lean_ctor_set(x_25, 1, x_24);
-lean_ctor_set(x_6, 1, x_23);
-lean_ctor_set(x_6, 0, x_25);
-return x_6;
-}
+lean_inc(x_9);
+lean_inc(x_2);
+x_11 = l_Lean_Meta_mkLambda(x_2, x_9, x_5, x_10);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; uint8_t x_14; 
+x_13 = lean_ctor_get(x_11, 1);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+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_11, 0);
+x_16 = lean_ctor_get(x_13, 1);
+x_17 = l_Lean_MetavarContext_assignExpr(x_16, x_3, x_15);
+lean_ctor_set(x_13, 1, x_17);
+x_18 = l_Lean_Expr_mvarId_x21(x_9);
+lean_dec(x_9);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_2);
+lean_ctor_set(x_19, 1, x_18);
+lean_ctor_set(x_11, 0, x_19);
+return x_11;
 }
 else
 {
-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_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_26 = lean_ctor_get(x_6, 1);
-x_27 = lean_ctor_get(x_6, 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_11, 0);
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
+x_23 = lean_ctor_get(x_13, 2);
+x_24 = lean_ctor_get(x_13, 3);
+x_25 = lean_ctor_get(x_13, 4);
+x_26 = lean_ctor_get(x_13, 5);
 lean_inc(x_26);
-lean_inc(x_27);
-lean_dec(x_6);
-x_28 = lean_ctor_get(x_26, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_26, 1);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_26, 2);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_26, 3);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_26, 4);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_26, 5);
-lean_inc(x_33);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- x_34 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_34 = lean_box(0);
-}
-x_35 = l_Lean_MetavarContext_assignExpr(x_29, x_2, x_27);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_28);
-lean_ctor_set(x_36, 1, x_35);
-lean_ctor_set(x_36, 2, x_30);
-lean_ctor_set(x_36, 3, x_31);
-lean_ctor_set(x_36, 4, x_32);
-lean_ctor_set(x_36, 5, x_33);
-x_37 = l_Lean_Expr_mvarId_x21(x_3);
-lean_dec(x_3);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_1);
-lean_ctor_set(x_38, 1, x_37);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_36);
-return x_39;
+lean_inc(x_25);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_13);
+x_27 = l_Lean_MetavarContext_assignExpr(x_22, x_3, x_20);
+x_28 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_28, 0, x_21);
+lean_ctor_set(x_28, 1, x_27);
+lean_ctor_set(x_28, 2, x_23);
+lean_ctor_set(x_28, 3, x_24);
+lean_ctor_set(x_28, 4, x_25);
+lean_ctor_set(x_28, 5, x_26);
+x_29 = l_Lean_Expr_mvarId_x21(x_9);
+lean_dec(x_9);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_2);
+lean_ctor_set(x_30, 1, x_29);
+lean_ctor_set(x_11, 1, x_28);
+lean_ctor_set(x_11, 0, x_30);
+return x_11;
 }
 }
 else
 {
-uint8_t x_40; 
+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; lean_object* x_44; 
+x_31 = lean_ctor_get(x_11, 1);
+x_32 = lean_ctor_get(x_11, 0);
+lean_inc(x_31);
+lean_inc(x_32);
+lean_dec(x_11);
+x_33 = lean_ctor_get(x_31, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_31, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_31, 2);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_31, 3);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_31, 4);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_31, 5);
+lean_inc(x_38);
+if (lean_is_exclusive(x_31)) {
+ lean_ctor_release(x_31, 0);
+ lean_ctor_release(x_31, 1);
+ lean_ctor_release(x_31, 2);
+ lean_ctor_release(x_31, 3);
+ lean_ctor_release(x_31, 4);
+ lean_ctor_release(x_31, 5);
+ x_39 = x_31;
+} else {
+ lean_dec_ref(x_31);
+ x_39 = lean_box(0);
+}
+x_40 = l_Lean_MetavarContext_assignExpr(x_34, x_3, x_32);
+if (lean_is_scalar(x_39)) {
+ x_41 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_41 = x_39;
+}
+lean_ctor_set(x_41, 0, x_33);
+lean_ctor_set(x_41, 1, x_40);
+lean_ctor_set(x_41, 2, x_35);
+lean_ctor_set(x_41, 3, x_36);
+lean_ctor_set(x_41, 4, x_37);
+lean_ctor_set(x_41, 5, x_38);
+x_42 = l_Lean_Expr_mvarId_x21(x_9);
+lean_dec(x_9);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_2);
+lean_ctor_set(x_43, 1, x_42);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_41);
+return x_44;
+}
+}
+else
+{
+uint8_t x_45; 
+lean_dec(x_9);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_40 = !lean_is_exclusive(x_6);
-if (x_40 == 0)
+x_45 = !lean_is_exclusive(x_11);
+if (x_45 == 0)
 {
-return x_6;
+return x_11;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_6, 0);
-x_42 = lean_ctor_get(x_6, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_6);
-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_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_11, 0);
+x_47 = lean_ctor_get(x_11, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_11);
+x_48 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
 }
 }
 }
@@ -491,7 +500,7 @@ return x_32;
 }
 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; lean_object* x_75; uint8_t x_76; 
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
 lean_dec(x_7);
 lean_dec(x_3);
 lean_dec(x_2);
@@ -499,55 +508,55 @@ x_69 = lean_array_get_size(x_5);
 x_70 = lean_expr_instantiate_rev_range(x_8, x_6, x_69, x_5);
 lean_dec(x_69);
 lean_dec(x_8);
-x_71 = lean_box(0);
-x_72 = lean_alloc_closure((void*)(l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar), 4, 2);
-lean_closure_set(x_72, 0, x_70);
-lean_closure_set(x_72, 1, x_71);
+lean_inc(x_1);
+x_71 = lean_alloc_closure((void*)(l_Lean_Meta_getMVarTag___boxed), 3, 1);
+lean_closure_set(x_71, 0, x_1);
 lean_inc(x_5);
-x_73 = lean_alloc_closure((void*)(l_Lean_Meta_introNCoreAux___main___rarg___lambda__2), 5, 2);
-lean_closure_set(x_73, 0, x_5);
-lean_closure_set(x_73, 1, x_1);
-x_74 = l_EIO_Monad___closed__1;
-x_75 = lean_alloc_closure((void*)(l_ReaderT_bind___rarg), 6, 5);
-lean_closure_set(x_75, 0, x_74);
-lean_closure_set(x_75, 1, lean_box(0));
-lean_closure_set(x_75, 2, lean_box(0));
-lean_closure_set(x_75, 3, x_72);
-lean_closure_set(x_75, 4, x_73);
-x_76 = !lean_is_exclusive(x_9);
-if (x_76 == 0)
+x_72 = lean_alloc_closure((void*)(l_Lean_Meta_introNCoreAux___main___rarg___lambda__2), 6, 3);
+lean_closure_set(x_72, 0, x_70);
+lean_closure_set(x_72, 1, x_5);
+lean_closure_set(x_72, 2, x_1);
+x_73 = l_EIO_Monad___closed__1;
+x_74 = lean_alloc_closure((void*)(l_ReaderT_bind___rarg), 6, 5);
+lean_closure_set(x_74, 0, x_73);
+lean_closure_set(x_74, 1, lean_box(0));
+lean_closure_set(x_74, 2, lean_box(0));
+lean_closure_set(x_74, 3, x_71);
+lean_closure_set(x_74, 4, x_72);
+x_75 = !lean_is_exclusive(x_9);
+if (x_75 == 0)
 {
-lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_77 = lean_ctor_get(x_9, 1);
-lean_dec(x_77);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_9, 1);
+lean_dec(x_76);
 lean_ctor_set(x_9, 1, x_4);
-x_78 = l_Lean_Meta_introNCoreAux___main___rarg___closed__1;
-x_79 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_78, x_5, x_6, x_75, x_9, x_10);
+x_77 = l_Lean_Meta_introNCoreAux___main___rarg___closed__1;
+x_78 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_77, x_5, x_6, x_74, x_9, x_10);
 lean_dec(x_5);
-return x_79;
+return x_78;
 }
 else
 {
-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; 
-x_80 = lean_ctor_get(x_9, 0);
-x_81 = lean_ctor_get(x_9, 2);
-x_82 = lean_ctor_get(x_9, 3);
-x_83 = lean_ctor_get(x_9, 4);
-lean_inc(x_83);
+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; 
+x_79 = lean_ctor_get(x_9, 0);
+x_80 = lean_ctor_get(x_9, 2);
+x_81 = lean_ctor_get(x_9, 3);
+x_82 = lean_ctor_get(x_9, 4);
 lean_inc(x_82);
 lean_inc(x_81);
 lean_inc(x_80);
+lean_inc(x_79);
 lean_dec(x_9);
-x_84 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_84, 0, x_80);
-lean_ctor_set(x_84, 1, x_4);
-lean_ctor_set(x_84, 2, x_81);
-lean_ctor_set(x_84, 3, x_82);
-lean_ctor_set(x_84, 4, x_83);
-x_85 = l_Lean_Meta_introNCoreAux___main___rarg___closed__1;
-x_86 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_85, x_5, x_6, x_75, x_84, x_10);
+x_83 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_83, 0, x_79);
+lean_ctor_set(x_83, 1, x_4);
+lean_ctor_set(x_83, 2, x_80);
+lean_ctor_set(x_83, 3, x_81);
+lean_ctor_set(x_83, 4, x_82);
+x_84 = l_Lean_Meta_introNCoreAux___main___rarg___closed__1;
+x_85 = l_Lean_Meta_withNewLocalInstances___main___rarg(x_84, x_5, x_6, x_74, x_83, x_10);
 lean_dec(x_5);
-return x_86;
+return x_85;
 }
 }
 }
@@ -2114,2114 +2123,2146 @@ return x_12;
 }
 }
 }
-lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(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_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(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_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; 
-x_9 = lean_array_get_size(x_2);
-x_10 = lean_expr_instantiate_rev_range(x_4, x_3, x_9, x_2);
-lean_dec(x_9);
-x_11 = lean_box(0);
-x_12 = lean_alloc_closure((void*)(l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar), 4, 2);
-lean_closure_set(x_12, 0, x_10);
-lean_closure_set(x_12, 1, x_11);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_getMVarTag___boxed), 3, 1);
+lean_closure_set(x_8, 0, x_1);
 lean_inc(x_1);
 lean_inc(x_2);
-x_13 = lean_alloc_closure((void*)(l_Lean_Meta_introNCoreAux___main___rarg___lambda__2), 5, 2);
-lean_closure_set(x_13, 0, x_2);
-lean_closure_set(x_13, 1, x_1);
-x_14 = lean_array_get_size(x_5);
-x_15 = lean_nat_dec_lt(x_6, x_14);
-lean_dec(x_14);
-if (x_15 == 0)
+lean_inc(x_3);
+x_9 = lean_alloc_closure((void*)(l_Lean_Meta_introNCoreAux___main___rarg___lambda__2), 6, 3);
+lean_closure_set(x_9, 0, x_3);
+lean_closure_set(x_9, 1, x_2);
+lean_closure_set(x_9, 2, x_1);
+x_10 = lean_array_get_size(x_4);
+x_11 = lean_nat_dec_lt(x_5, x_10);
+lean_dec(x_10);
+if (x_11 == 0)
 {
-lean_object* x_16; 
-lean_dec(x_6);
+lean_object* x_12; 
+lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_16 = l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg(x_12, x_13, x_7, x_8);
-return x_16;
+x_12 = l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg(x_8, x_9, x_6, x_7);
+return x_12;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; 
-lean_dec(x_13);
-lean_dec(x_12);
-x_17 = lean_array_fget(x_5, x_6);
-lean_inc(x_7);
-x_18 = l_Lean_Meta_getFVarLocalDecl(x_17, x_7, x_8);
+lean_object* x_13; lean_object* x_14; 
+lean_dec(x_9);
+lean_dec(x_8);
+x_13 = lean_array_fget(x_4, x_5);
+lean_inc(x_6);
+x_14 = l_Lean_Meta_getFVarLocalDecl(x_13, x_6, x_7);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = l_Lean_LocalDecl_type(x_15);
+lean_dec(x_15);
+lean_inc(x_6);
+lean_inc(x_17);
+x_18 = l_Lean_Meta_isClassQuick___main(x_17, x_6, x_16);
 if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+lean_object* x_19; 
 x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
+switch (lean_obj_tag(x_19)) {
+case 0:
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+lean_dec(x_17);
+lean_dec(x_13);
 x_20 = lean_ctor_get(x_18, 1);
 lean_inc(x_20);
 lean_dec(x_18);
-x_21 = l_Lean_LocalDecl_type(x_19);
-lean_dec(x_19);
-lean_inc(x_7);
-lean_inc(x_21);
-x_22 = l_Lean_Meta_isClassQuick___main(x_21, x_7, x_20);
-if (lean_obj_tag(x_22) == 0)
-{
-lean_object* x_23; 
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-switch (lean_obj_tag(x_23)) {
-case 0:
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_21);
-lean_dec(x_17);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unsigned_to_nat(1u);
-x_26 = lean_nat_add(x_6, x_25);
-lean_dec(x_6);
-x_6 = x_26;
-x_8 = x_24;
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_add(x_5, x_21);
+lean_dec(x_5);
+x_5 = x_22;
+x_7 = x_20;
 goto _start;
 }
 case 1:
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-lean_dec(x_21);
-x_28 = lean_ctor_get(x_22, 1);
-lean_inc(x_28);
-lean_dec(x_22);
-x_29 = lean_ctor_get(x_23, 0);
-lean_inc(x_29);
-lean_dec(x_23);
-x_30 = lean_unsigned_to_nat(1u);
-x_31 = lean_nat_add(x_6, x_30);
-lean_dec(x_6);
-x_32 = !lean_is_exclusive(x_28);
-if (x_32 == 0)
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+lean_dec(x_17);
+x_24 = lean_ctor_get(x_18, 1);
+lean_inc(x_24);
+lean_dec(x_18);
+x_25 = lean_ctor_get(x_19, 0);
+lean_inc(x_25);
+lean_dec(x_19);
+x_26 = lean_unsigned_to_nat(1u);
+x_27 = lean_nat_add(x_5, x_26);
+lean_dec(x_5);
+x_28 = !lean_is_exclusive(x_24);
+if (x_28 == 0)
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_28, 2);
-x_34 = !lean_is_exclusive(x_33);
-if (x_34 == 0)
+lean_object* x_29; uint8_t x_30; 
+x_29 = lean_ctor_get(x_24, 2);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_33, 2);
-x_36 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-lean_ctor_set(x_33, 2, x_36);
-x_37 = !lean_is_exclusive(x_7);
-if (x_37 == 0)
+lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+x_31 = lean_ctor_get(x_29, 2);
+x_32 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+lean_ctor_set(x_29, 2, x_32);
+x_33 = !lean_is_exclusive(x_6);
+if (x_33 == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_38 = lean_ctor_get(x_7, 2);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_29);
-lean_ctor_set(x_39, 1, x_17);
-x_40 = lean_array_push(x_38, x_39);
-lean_ctor_set(x_7, 2, x_40);
-x_41 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_31, x_7, x_28);
-if (lean_obj_tag(x_41) == 0)
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_6, 2);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_25);
+lean_ctor_set(x_35, 1, x_13);
+x_36 = lean_array_push(x_34, x_35);
+lean_ctor_set(x_6, 2, x_36);
+x_37 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_27, x_6, x_24);
+if (lean_obj_tag(x_37) == 0)
 {
-lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_42, 2);
-lean_inc(x_43);
-x_44 = !lean_is_exclusive(x_41);
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_38, 2);
+lean_inc(x_39);
+x_40 = !lean_is_exclusive(x_37);
+if (x_40 == 0)
+{
+lean_object* x_41; uint8_t x_42; 
+x_41 = lean_ctor_get(x_37, 1);
+lean_dec(x_41);
+x_42 = !lean_is_exclusive(x_38);
+if (x_42 == 0)
+{
+lean_object* x_43; uint8_t x_44; 
+x_43 = lean_ctor_get(x_38, 2);
+lean_dec(x_43);
+x_44 = !lean_is_exclusive(x_39);
 if (x_44 == 0)
 {
-lean_object* x_45; uint8_t x_46; 
-x_45 = lean_ctor_get(x_41, 1);
+lean_object* x_45; 
+x_45 = lean_ctor_get(x_39, 2);
 lean_dec(x_45);
-x_46 = !lean_is_exclusive(x_42);
-if (x_46 == 0)
-{
-lean_object* x_47; uint8_t x_48; 
-x_47 = lean_ctor_get(x_42, 2);
-lean_dec(x_47);
-x_48 = !lean_is_exclusive(x_43);
-if (x_48 == 0)
-{
-lean_object* x_49; 
-x_49 = lean_ctor_get(x_43, 2);
-lean_dec(x_49);
-lean_ctor_set(x_43, 2, x_35);
-return x_41;
+lean_ctor_set(x_39, 2, x_31);
+return x_37;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_43, 0);
-x_51 = lean_ctor_get(x_43, 1);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_39, 0);
+x_47 = lean_ctor_get(x_39, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_39);
+x_48 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+lean_ctor_set(x_48, 2, x_31);
+lean_ctor_set(x_38, 2, x_48);
+return x_37;
+}
+}
+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; lean_object* x_58; 
+x_49 = lean_ctor_get(x_38, 0);
+x_50 = lean_ctor_get(x_38, 1);
+x_51 = lean_ctor_get(x_38, 3);
+x_52 = lean_ctor_get(x_38, 4);
+x_53 = lean_ctor_get(x_38, 5);
+lean_inc(x_53);
+lean_inc(x_52);
 lean_inc(x_51);
 lean_inc(x_50);
-lean_dec(x_43);
-x_52 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_52, 0, x_50);
-lean_ctor_set(x_52, 1, x_51);
-lean_ctor_set(x_52, 2, x_35);
-lean_ctor_set(x_42, 2, x_52);
-return x_41;
-}
-}
-else
-{
-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; 
-x_53 = lean_ctor_get(x_42, 0);
-x_54 = lean_ctor_get(x_42, 1);
-x_55 = lean_ctor_get(x_42, 3);
-x_56 = lean_ctor_get(x_42, 4);
-x_57 = lean_ctor_get(x_42, 5);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_inc(x_55);
+lean_inc(x_49);
+lean_dec(x_38);
+x_54 = lean_ctor_get(x_39, 0);
 lean_inc(x_54);
-lean_inc(x_53);
-lean_dec(x_42);
-x_58 = lean_ctor_get(x_43, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_43, 1);
+x_55 = lean_ctor_get(x_39, 1);
+lean_inc(x_55);
+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_56 = x_39;
+} else {
+ lean_dec_ref(x_39);
+ x_56 = lean_box(0);
+}
+if (lean_is_scalar(x_56)) {
+ x_57 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_57 = x_56;
+}
+lean_ctor_set(x_57, 0, x_54);
+lean_ctor_set(x_57, 1, x_55);
+lean_ctor_set(x_57, 2, x_31);
+x_58 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_58, 0, x_49);
+lean_ctor_set(x_58, 1, x_50);
+lean_ctor_set(x_58, 2, x_57);
+lean_ctor_set(x_58, 3, x_51);
+lean_ctor_set(x_58, 4, x_52);
+lean_ctor_set(x_58, 5, x_53);
+lean_ctor_set(x_37, 1, x_58);
+return x_37;
+}
+}
+else
+{
+lean_object* x_59; lean_object* x_60; 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; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_59 = lean_ctor_get(x_37, 0);
 lean_inc(x_59);
-if (lean_is_exclusive(x_43)) {
- lean_ctor_release(x_43, 0);
- lean_ctor_release(x_43, 1);
- lean_ctor_release(x_43, 2);
- x_60 = x_43;
-} else {
- lean_dec_ref(x_43);
- x_60 = lean_box(0);
-}
-if (lean_is_scalar(x_60)) {
- x_61 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_61 = x_60;
-}
-lean_ctor_set(x_61, 0, x_58);
-lean_ctor_set(x_61, 1, x_59);
-lean_ctor_set(x_61, 2, x_35);
-x_62 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_62, 0, x_53);
-lean_ctor_set(x_62, 1, x_54);
-lean_ctor_set(x_62, 2, x_61);
-lean_ctor_set(x_62, 3, x_55);
-lean_ctor_set(x_62, 4, x_56);
-lean_ctor_set(x_62, 5, x_57);
-lean_ctor_set(x_41, 1, x_62);
-return x_41;
-}
-}
-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; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_63 = lean_ctor_get(x_41, 0);
+lean_dec(x_37);
+x_60 = lean_ctor_get(x_38, 0);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_38, 1);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_38, 3);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_38, 4);
 lean_inc(x_63);
-lean_dec(x_41);
-x_64 = lean_ctor_get(x_42, 0);
+x_64 = lean_ctor_get(x_38, 5);
 lean_inc(x_64);
-x_65 = lean_ctor_get(x_42, 1);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_42, 3);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ lean_ctor_release(x_38, 2);
+ lean_ctor_release(x_38, 3);
+ lean_ctor_release(x_38, 4);
+ lean_ctor_release(x_38, 5);
+ x_65 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_65 = lean_box(0);
+}
+x_66 = lean_ctor_get(x_39, 0);
 lean_inc(x_66);
-x_67 = lean_ctor_get(x_42, 4);
+x_67 = lean_ctor_get(x_39, 1);
 lean_inc(x_67);
-x_68 = lean_ctor_get(x_42, 5);
-lean_inc(x_68);
-if (lean_is_exclusive(x_42)) {
- lean_ctor_release(x_42, 0);
- lean_ctor_release(x_42, 1);
- lean_ctor_release(x_42, 2);
- lean_ctor_release(x_42, 3);
- lean_ctor_release(x_42, 4);
- lean_ctor_release(x_42, 5);
- x_69 = 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_68 = x_39;
 } else {
- lean_dec_ref(x_42);
- x_69 = lean_box(0);
+ lean_dec_ref(x_39);
+ x_68 = lean_box(0);
 }
-x_70 = lean_ctor_get(x_43, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_43, 1);
-lean_inc(x_71);
-if (lean_is_exclusive(x_43)) {
- lean_ctor_release(x_43, 0);
- lean_ctor_release(x_43, 1);
- lean_ctor_release(x_43, 2);
- x_72 = x_43;
+if (lean_is_scalar(x_68)) {
+ x_69 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_43);
- x_72 = lean_box(0);
+ x_69 = x_68;
 }
-if (lean_is_scalar(x_72)) {
- x_73 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_69, 0, x_66);
+lean_ctor_set(x_69, 1, x_67);
+lean_ctor_set(x_69, 2, x_31);
+if (lean_is_scalar(x_65)) {
+ x_70 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_73 = x_72;
+ x_70 = x_65;
 }
-lean_ctor_set(x_73, 0, x_70);
-lean_ctor_set(x_73, 1, x_71);
-lean_ctor_set(x_73, 2, x_35);
-if (lean_is_scalar(x_69)) {
- x_74 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_74 = x_69;
-}
-lean_ctor_set(x_74, 0, x_64);
-lean_ctor_set(x_74, 1, x_65);
-lean_ctor_set(x_74, 2, x_73);
-lean_ctor_set(x_74, 3, x_66);
-lean_ctor_set(x_74, 4, x_67);
-lean_ctor_set(x_74, 5, x_68);
-x_75 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_75, 0, x_63);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
+lean_ctor_set(x_70, 0, x_60);
+lean_ctor_set(x_70, 1, x_61);
+lean_ctor_set(x_70, 2, x_69);
+lean_ctor_set(x_70, 3, x_62);
+lean_ctor_set(x_70, 4, x_63);
+lean_ctor_set(x_70, 5, x_64);
+x_71 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_59);
+lean_ctor_set(x_71, 1, x_70);
+return x_71;
 }
 }
 else
 {
-lean_object* x_76; lean_object* x_77; uint8_t x_78; 
-x_76 = lean_ctor_get(x_41, 1);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_76, 2);
-lean_inc(x_77);
-x_78 = !lean_is_exclusive(x_41);
+lean_object* x_72; lean_object* x_73; uint8_t x_74; 
+x_72 = lean_ctor_get(x_37, 1);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_72, 2);
+lean_inc(x_73);
+x_74 = !lean_is_exclusive(x_37);
+if (x_74 == 0)
+{
+lean_object* x_75; uint8_t x_76; 
+x_75 = lean_ctor_get(x_37, 1);
+lean_dec(x_75);
+x_76 = !lean_is_exclusive(x_72);
+if (x_76 == 0)
+{
+lean_object* x_77; uint8_t x_78; 
+x_77 = lean_ctor_get(x_72, 2);
+lean_dec(x_77);
+x_78 = !lean_is_exclusive(x_73);
 if (x_78 == 0)
 {
-lean_object* x_79; uint8_t x_80; 
-x_79 = lean_ctor_get(x_41, 1);
+lean_object* x_79; 
+x_79 = lean_ctor_get(x_73, 2);
 lean_dec(x_79);
-x_80 = !lean_is_exclusive(x_76);
-if (x_80 == 0)
-{
-lean_object* x_81; uint8_t x_82; 
-x_81 = lean_ctor_get(x_76, 2);
-lean_dec(x_81);
-x_82 = !lean_is_exclusive(x_77);
-if (x_82 == 0)
-{
-lean_object* x_83; 
-x_83 = lean_ctor_get(x_77, 2);
-lean_dec(x_83);
-lean_ctor_set(x_77, 2, x_35);
-return x_41;
+lean_ctor_set(x_73, 2, x_31);
+return x_37;
 }
 else
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_84 = lean_ctor_get(x_77, 0);
-x_85 = lean_ctor_get(x_77, 1);
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_73, 0);
+x_81 = lean_ctor_get(x_73, 1);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_73);
+x_82 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_81);
+lean_ctor_set(x_82, 2, x_31);
+lean_ctor_set(x_72, 2, x_82);
+return x_37;
+}
+}
+else
+{
+lean_object* x_83; 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; 
+x_83 = lean_ctor_get(x_72, 0);
+x_84 = lean_ctor_get(x_72, 1);
+x_85 = lean_ctor_get(x_72, 3);
+x_86 = lean_ctor_get(x_72, 4);
+x_87 = lean_ctor_get(x_72, 5);
+lean_inc(x_87);
+lean_inc(x_86);
 lean_inc(x_85);
 lean_inc(x_84);
-lean_dec(x_77);
-x_86 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_86, 0, x_84);
-lean_ctor_set(x_86, 1, x_85);
-lean_ctor_set(x_86, 2, x_35);
-lean_ctor_set(x_76, 2, x_86);
-return x_41;
-}
-}
-else
-{
-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; 
-x_87 = lean_ctor_get(x_76, 0);
-x_88 = lean_ctor_get(x_76, 1);
-x_89 = lean_ctor_get(x_76, 3);
-x_90 = lean_ctor_get(x_76, 4);
-x_91 = lean_ctor_get(x_76, 5);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_inc(x_89);
+lean_inc(x_83);
+lean_dec(x_72);
+x_88 = lean_ctor_get(x_73, 0);
 lean_inc(x_88);
-lean_inc(x_87);
-lean_dec(x_76);
-x_92 = lean_ctor_get(x_77, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_77, 1);
+x_89 = lean_ctor_get(x_73, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ lean_ctor_release(x_73, 2);
+ x_90 = x_73;
+} else {
+ lean_dec_ref(x_73);
+ x_90 = lean_box(0);
+}
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_91 = x_90;
+}
+lean_ctor_set(x_91, 0, x_88);
+lean_ctor_set(x_91, 1, x_89);
+lean_ctor_set(x_91, 2, x_31);
+x_92 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_92, 0, x_83);
+lean_ctor_set(x_92, 1, x_84);
+lean_ctor_set(x_92, 2, x_91);
+lean_ctor_set(x_92, 3, x_85);
+lean_ctor_set(x_92, 4, x_86);
+lean_ctor_set(x_92, 5, x_87);
+lean_ctor_set(x_37, 1, x_92);
+return x_37;
+}
+}
+else
+{
+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; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_93 = lean_ctor_get(x_37, 0);
 lean_inc(x_93);
-if (lean_is_exclusive(x_77)) {
- lean_ctor_release(x_77, 0);
- lean_ctor_release(x_77, 1);
- lean_ctor_release(x_77, 2);
- x_94 = x_77;
-} else {
- lean_dec_ref(x_77);
- x_94 = lean_box(0);
-}
-if (lean_is_scalar(x_94)) {
- x_95 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_95 = x_94;
-}
-lean_ctor_set(x_95, 0, x_92);
-lean_ctor_set(x_95, 1, x_93);
-lean_ctor_set(x_95, 2, x_35);
-x_96 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_96, 0, x_87);
-lean_ctor_set(x_96, 1, x_88);
-lean_ctor_set(x_96, 2, x_95);
-lean_ctor_set(x_96, 3, x_89);
-lean_ctor_set(x_96, 4, x_90);
-lean_ctor_set(x_96, 5, x_91);
-lean_ctor_set(x_41, 1, x_96);
-return x_41;
-}
-}
-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; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
-x_97 = lean_ctor_get(x_41, 0);
+lean_dec(x_37);
+x_94 = lean_ctor_get(x_72, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_72, 1);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_72, 3);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_72, 4);
 lean_inc(x_97);
-lean_dec(x_41);
-x_98 = lean_ctor_get(x_76, 0);
+x_98 = lean_ctor_get(x_72, 5);
 lean_inc(x_98);
-x_99 = lean_ctor_get(x_76, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_76, 3);
+if (lean_is_exclusive(x_72)) {
+ lean_ctor_release(x_72, 0);
+ lean_ctor_release(x_72, 1);
+ lean_ctor_release(x_72, 2);
+ lean_ctor_release(x_72, 3);
+ lean_ctor_release(x_72, 4);
+ lean_ctor_release(x_72, 5);
+ x_99 = x_72;
+} else {
+ lean_dec_ref(x_72);
+ x_99 = lean_box(0);
+}
+x_100 = lean_ctor_get(x_73, 0);
 lean_inc(x_100);
-x_101 = lean_ctor_get(x_76, 4);
+x_101 = lean_ctor_get(x_73, 1);
 lean_inc(x_101);
-x_102 = lean_ctor_get(x_76, 5);
-lean_inc(x_102);
-if (lean_is_exclusive(x_76)) {
- lean_ctor_release(x_76, 0);
- lean_ctor_release(x_76, 1);
- lean_ctor_release(x_76, 2);
- lean_ctor_release(x_76, 3);
- lean_ctor_release(x_76, 4);
- lean_ctor_release(x_76, 5);
- x_103 = x_76;
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ lean_ctor_release(x_73, 2);
+ x_102 = x_73;
 } else {
- lean_dec_ref(x_76);
- x_103 = lean_box(0);
+ lean_dec_ref(x_73);
+ x_102 = lean_box(0);
 }
-x_104 = lean_ctor_get(x_77, 0);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_77, 1);
-lean_inc(x_105);
-if (lean_is_exclusive(x_77)) {
- lean_ctor_release(x_77, 0);
- lean_ctor_release(x_77, 1);
- lean_ctor_release(x_77, 2);
- x_106 = x_77;
+if (lean_is_scalar(x_102)) {
+ x_103 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_77);
- x_106 = lean_box(0);
+ x_103 = x_102;
 }
-if (lean_is_scalar(x_106)) {
- x_107 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_103, 0, x_100);
+lean_ctor_set(x_103, 1, x_101);
+lean_ctor_set(x_103, 2, x_31);
+if (lean_is_scalar(x_99)) {
+ x_104 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_107 = x_106;
+ x_104 = x_99;
 }
-lean_ctor_set(x_107, 0, x_104);
-lean_ctor_set(x_107, 1, x_105);
-lean_ctor_set(x_107, 2, x_35);
-if (lean_is_scalar(x_103)) {
- x_108 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_108 = x_103;
-}
-lean_ctor_set(x_108, 0, x_98);
-lean_ctor_set(x_108, 1, x_99);
-lean_ctor_set(x_108, 2, x_107);
-lean_ctor_set(x_108, 3, x_100);
-lean_ctor_set(x_108, 4, x_101);
-lean_ctor_set(x_108, 5, x_102);
-x_109 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_109, 0, x_97);
-lean_ctor_set(x_109, 1, x_108);
-return x_109;
+lean_ctor_set(x_104, 0, x_94);
+lean_ctor_set(x_104, 1, x_95);
+lean_ctor_set(x_104, 2, x_103);
+lean_ctor_set(x_104, 3, x_96);
+lean_ctor_set(x_104, 4, x_97);
+lean_ctor_set(x_104, 5, x_98);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_93);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
 }
 }
 }
 else
 {
-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; lean_object* x_118; 
-x_110 = lean_ctor_get(x_7, 0);
-x_111 = lean_ctor_get(x_7, 1);
-x_112 = lean_ctor_get(x_7, 2);
-x_113 = lean_ctor_get(x_7, 3);
-x_114 = lean_ctor_get(x_7, 4);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_inc(x_111);
+lean_object* x_106; lean_object* x_107; 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; 
+x_106 = lean_ctor_get(x_6, 0);
+x_107 = lean_ctor_get(x_6, 1);
+x_108 = lean_ctor_get(x_6, 2);
+x_109 = lean_ctor_get(x_6, 3);
+x_110 = lean_ctor_get(x_6, 4);
 lean_inc(x_110);
-lean_dec(x_7);
-x_115 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_115, 0, x_29);
-lean_ctor_set(x_115, 1, x_17);
-x_116 = lean_array_push(x_112, x_115);
-x_117 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_117, 0, x_110);
-lean_ctor_set(x_117, 1, x_111);
-lean_ctor_set(x_117, 2, x_116);
-lean_ctor_set(x_117, 3, x_113);
-lean_ctor_set(x_117, 4, x_114);
-x_118 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_31, x_117, x_28);
-if (lean_obj_tag(x_118) == 0)
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_inc(x_106);
+lean_dec(x_6);
+x_111 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_111, 0, x_25);
+lean_ctor_set(x_111, 1, x_13);
+x_112 = lean_array_push(x_108, x_111);
+x_113 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_113, 0, x_106);
+lean_ctor_set(x_113, 1, x_107);
+lean_ctor_set(x_113, 2, x_112);
+lean_ctor_set(x_113, 3, x_109);
+lean_ctor_set(x_113, 4, x_110);
+x_114 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_27, x_113, x_24);
+if (lean_obj_tag(x_114) == 0)
 {
-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; 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; 
-x_119 = lean_ctor_get(x_118, 1);
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 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; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_115 = lean_ctor_get(x_114, 1);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_115, 2);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_114, 0);
+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);
+}
+x_119 = lean_ctor_get(x_115, 0);
 lean_inc(x_119);
-x_120 = lean_ctor_get(x_119, 2);
+x_120 = lean_ctor_get(x_115, 1);
 lean_inc(x_120);
-x_121 = lean_ctor_get(x_118, 0);
+x_121 = lean_ctor_get(x_115, 3);
 lean_inc(x_121);
-if (lean_is_exclusive(x_118)) {
- lean_ctor_release(x_118, 0);
- lean_ctor_release(x_118, 1);
- x_122 = x_118;
-} else {
- lean_dec_ref(x_118);
- x_122 = lean_box(0);
-}
-x_123 = lean_ctor_get(x_119, 0);
+x_122 = lean_ctor_get(x_115, 4);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_115, 5);
 lean_inc(x_123);
-x_124 = lean_ctor_get(x_119, 1);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_119, 3);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ lean_ctor_release(x_115, 2);
+ lean_ctor_release(x_115, 3);
+ lean_ctor_release(x_115, 4);
+ lean_ctor_release(x_115, 5);
+ x_124 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_124 = lean_box(0);
+}
+x_125 = lean_ctor_get(x_116, 0);
 lean_inc(x_125);
-x_126 = lean_ctor_get(x_119, 4);
+x_126 = lean_ctor_get(x_116, 1);
 lean_inc(x_126);
-x_127 = lean_ctor_get(x_119, 5);
-lean_inc(x_127);
-if (lean_is_exclusive(x_119)) {
- lean_ctor_release(x_119, 0);
- lean_ctor_release(x_119, 1);
- lean_ctor_release(x_119, 2);
- lean_ctor_release(x_119, 3);
- lean_ctor_release(x_119, 4);
- lean_ctor_release(x_119, 5);
- x_128 = x_119;
+if (lean_is_exclusive(x_116)) {
+ lean_ctor_release(x_116, 0);
+ lean_ctor_release(x_116, 1);
+ lean_ctor_release(x_116, 2);
+ x_127 = x_116;
 } else {
- lean_dec_ref(x_119);
- x_128 = lean_box(0);
+ lean_dec_ref(x_116);
+ x_127 = lean_box(0);
 }
-x_129 = lean_ctor_get(x_120, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_120, 1);
-lean_inc(x_130);
-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_131 = x_120;
+if (lean_is_scalar(x_127)) {
+ x_128 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_120);
- x_131 = lean_box(0);
+ x_128 = x_127;
 }
-if (lean_is_scalar(x_131)) {
- x_132 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_128, 0, x_125);
+lean_ctor_set(x_128, 1, x_126);
+lean_ctor_set(x_128, 2, x_31);
+if (lean_is_scalar(x_124)) {
+ x_129 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_132 = x_131;
+ x_129 = x_124;
 }
-lean_ctor_set(x_132, 0, x_129);
-lean_ctor_set(x_132, 1, x_130);
-lean_ctor_set(x_132, 2, x_35);
-if (lean_is_scalar(x_128)) {
- x_133 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_129, 0, x_119);
+lean_ctor_set(x_129, 1, x_120);
+lean_ctor_set(x_129, 2, x_128);
+lean_ctor_set(x_129, 3, x_121);
+lean_ctor_set(x_129, 4, x_122);
+lean_ctor_set(x_129, 5, x_123);
+if (lean_is_scalar(x_118)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_133 = x_128;
+ x_130 = x_118;
 }
-lean_ctor_set(x_133, 0, x_123);
-lean_ctor_set(x_133, 1, x_124);
-lean_ctor_set(x_133, 2, x_132);
-lean_ctor_set(x_133, 3, x_125);
-lean_ctor_set(x_133, 4, x_126);
-lean_ctor_set(x_133, 5, x_127);
-if (lean_is_scalar(x_122)) {
- x_134 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_134 = x_122;
-}
-lean_ctor_set(x_134, 0, x_121);
-lean_ctor_set(x_134, 1, x_133);
-return x_134;
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+return x_130;
 }
 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; 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; 
-x_135 = lean_ctor_get(x_118, 1);
+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; 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_131 = lean_ctor_get(x_114, 1);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_131, 2);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_114, 0);
+lean_inc(x_133);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_134 = x_114;
+} else {
+ lean_dec_ref(x_114);
+ x_134 = lean_box(0);
+}
+x_135 = lean_ctor_get(x_131, 0);
 lean_inc(x_135);
-x_136 = lean_ctor_get(x_135, 2);
+x_136 = lean_ctor_get(x_131, 1);
 lean_inc(x_136);
-x_137 = lean_ctor_get(x_118, 0);
+x_137 = lean_ctor_get(x_131, 3);
 lean_inc(x_137);
-if (lean_is_exclusive(x_118)) {
- lean_ctor_release(x_118, 0);
- lean_ctor_release(x_118, 1);
- x_138 = x_118;
-} else {
- lean_dec_ref(x_118);
- x_138 = lean_box(0);
-}
-x_139 = lean_ctor_get(x_135, 0);
+x_138 = lean_ctor_get(x_131, 4);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_131, 5);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_135, 1);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_135, 3);
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ lean_ctor_release(x_131, 2);
+ lean_ctor_release(x_131, 3);
+ lean_ctor_release(x_131, 4);
+ lean_ctor_release(x_131, 5);
+ x_140 = x_131;
+} else {
+ lean_dec_ref(x_131);
+ x_140 = lean_box(0);
+}
+x_141 = lean_ctor_get(x_132, 0);
 lean_inc(x_141);
-x_142 = lean_ctor_get(x_135, 4);
+x_142 = lean_ctor_get(x_132, 1);
 lean_inc(x_142);
-x_143 = lean_ctor_get(x_135, 5);
-lean_inc(x_143);
-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_144 = x_135;
+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_143 = x_132;
 } else {
- lean_dec_ref(x_135);
- x_144 = lean_box(0);
+ lean_dec_ref(x_132);
+ x_143 = lean_box(0);
 }
-x_145 = lean_ctor_get(x_136, 0);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_136, 1);
-lean_inc(x_146);
-if (lean_is_exclusive(x_136)) {
- lean_ctor_release(x_136, 0);
- lean_ctor_release(x_136, 1);
- lean_ctor_release(x_136, 2);
- x_147 = x_136;
+if (lean_is_scalar(x_143)) {
+ x_144 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_136);
- x_147 = lean_box(0);
+ x_144 = x_143;
 }
-if (lean_is_scalar(x_147)) {
- x_148 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_144, 0, x_141);
+lean_ctor_set(x_144, 1, x_142);
+lean_ctor_set(x_144, 2, x_31);
+if (lean_is_scalar(x_140)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_148 = x_147;
+ x_145 = x_140;
 }
-lean_ctor_set(x_148, 0, x_145);
-lean_ctor_set(x_148, 1, x_146);
-lean_ctor_set(x_148, 2, x_35);
-if (lean_is_scalar(x_144)) {
- x_149 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_145, 0, x_135);
+lean_ctor_set(x_145, 1, x_136);
+lean_ctor_set(x_145, 2, x_144);
+lean_ctor_set(x_145, 3, x_137);
+lean_ctor_set(x_145, 4, x_138);
+lean_ctor_set(x_145, 5, x_139);
+if (lean_is_scalar(x_134)) {
+ x_146 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_149 = x_144;
+ x_146 = x_134;
 }
-lean_ctor_set(x_149, 0, x_139);
-lean_ctor_set(x_149, 1, x_140);
-lean_ctor_set(x_149, 2, x_148);
-lean_ctor_set(x_149, 3, x_141);
-lean_ctor_set(x_149, 4, x_142);
-lean_ctor_set(x_149, 5, x_143);
-if (lean_is_scalar(x_138)) {
- x_150 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_150 = x_138;
-}
-lean_ctor_set(x_150, 0, x_137);
-lean_ctor_set(x_150, 1, x_149);
-return x_150;
+lean_ctor_set(x_146, 0, x_133);
+lean_ctor_set(x_146, 1, x_145);
+return x_146;
 }
 }
 }
 else
 {
-lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 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; lean_object* x_164; lean_object* x_165; 
-x_151 = lean_ctor_get(x_33, 0);
-x_152 = lean_ctor_get(x_33, 1);
-x_153 = lean_ctor_get(x_33, 2);
-lean_inc(x_153);
+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_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+x_147 = lean_ctor_get(x_29, 0);
+x_148 = lean_ctor_get(x_29, 1);
+x_149 = lean_ctor_get(x_29, 2);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_inc(x_147);
+lean_dec(x_29);
+x_150 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+x_151 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_151, 0, x_147);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_150);
+lean_ctor_set(x_24, 2, x_151);
+x_152 = lean_ctor_get(x_6, 0);
 lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_33);
-x_154 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-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);
-lean_ctor_set(x_28, 2, x_155);
-x_156 = lean_ctor_get(x_7, 0);
+x_153 = lean_ctor_get(x_6, 1);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_6, 2);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_6, 3);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_6, 4);
 lean_inc(x_156);
-x_157 = lean_ctor_get(x_7, 1);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_7, 2);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_7, 3);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_7, 4);
-lean_inc(x_160);
-if (lean_is_exclusive(x_7)) {
- lean_ctor_release(x_7, 0);
- lean_ctor_release(x_7, 1);
- lean_ctor_release(x_7, 2);
- lean_ctor_release(x_7, 3);
- lean_ctor_release(x_7, 4);
- x_161 = x_7;
+if (lean_is_exclusive(x_6)) {
+ lean_ctor_release(x_6, 0);
+ lean_ctor_release(x_6, 1);
+ lean_ctor_release(x_6, 2);
+ lean_ctor_release(x_6, 3);
+ lean_ctor_release(x_6, 4);
+ x_157 = x_6;
 } else {
- lean_dec_ref(x_7);
- x_161 = lean_box(0);
+ lean_dec_ref(x_6);
+ x_157 = lean_box(0);
 }
-x_162 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_162, 0, x_29);
-lean_ctor_set(x_162, 1, x_17);
-x_163 = lean_array_push(x_158, x_162);
-if (lean_is_scalar(x_161)) {
- x_164 = lean_alloc_ctor(0, 5, 0);
+x_158 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_158, 0, x_25);
+lean_ctor_set(x_158, 1, x_13);
+x_159 = lean_array_push(x_154, x_158);
+if (lean_is_scalar(x_157)) {
+ x_160 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_164 = x_161;
+ x_160 = x_157;
 }
-lean_ctor_set(x_164, 0, x_156);
-lean_ctor_set(x_164, 1, x_157);
-lean_ctor_set(x_164, 2, x_163);
-lean_ctor_set(x_164, 3, x_159);
-lean_ctor_set(x_164, 4, x_160);
-x_165 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_31, x_164, x_28);
-if (lean_obj_tag(x_165) == 0)
+lean_ctor_set(x_160, 0, x_152);
+lean_ctor_set(x_160, 1, x_153);
+lean_ctor_set(x_160, 2, x_159);
+lean_ctor_set(x_160, 3, x_155);
+lean_ctor_set(x_160, 4, x_156);
+x_161 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_27, x_160, x_24);
+if (lean_obj_tag(x_161) == 0)
 {
-lean_object* x_166; lean_object* x_167; lean_object* x_168; 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; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_166 = lean_ctor_get(x_165, 1);
+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; 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_162 = lean_ctor_get(x_161, 1);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_162, 2);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_161, 0);
+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);
+}
+x_166 = lean_ctor_get(x_162, 0);
 lean_inc(x_166);
-x_167 = lean_ctor_get(x_166, 2);
+x_167 = lean_ctor_get(x_162, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_165, 0);
+x_168 = lean_ctor_get(x_162, 3);
 lean_inc(x_168);
-if (lean_is_exclusive(x_165)) {
- lean_ctor_release(x_165, 0);
- lean_ctor_release(x_165, 1);
- x_169 = x_165;
-} else {
- lean_dec_ref(x_165);
- x_169 = lean_box(0);
-}
-x_170 = lean_ctor_get(x_166, 0);
+x_169 = lean_ctor_get(x_162, 4);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_162, 5);
 lean_inc(x_170);
-x_171 = lean_ctor_get(x_166, 1);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_166, 3);
+if (lean_is_exclusive(x_162)) {
+ lean_ctor_release(x_162, 0);
+ lean_ctor_release(x_162, 1);
+ lean_ctor_release(x_162, 2);
+ lean_ctor_release(x_162, 3);
+ lean_ctor_release(x_162, 4);
+ lean_ctor_release(x_162, 5);
+ x_171 = x_162;
+} else {
+ lean_dec_ref(x_162);
+ x_171 = lean_box(0);
+}
+x_172 = lean_ctor_get(x_163, 0);
 lean_inc(x_172);
-x_173 = lean_ctor_get(x_166, 4);
+x_173 = lean_ctor_get(x_163, 1);
 lean_inc(x_173);
-x_174 = lean_ctor_get(x_166, 5);
-lean_inc(x_174);
-if (lean_is_exclusive(x_166)) {
- lean_ctor_release(x_166, 0);
- lean_ctor_release(x_166, 1);
- lean_ctor_release(x_166, 2);
- lean_ctor_release(x_166, 3);
- lean_ctor_release(x_166, 4);
- lean_ctor_release(x_166, 5);
- x_175 = x_166;
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ lean_ctor_release(x_163, 2);
+ x_174 = x_163;
 } else {
- lean_dec_ref(x_166);
- x_175 = lean_box(0);
+ lean_dec_ref(x_163);
+ x_174 = lean_box(0);
 }
-x_176 = lean_ctor_get(x_167, 0);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_167, 1);
-lean_inc(x_177);
-if (lean_is_exclusive(x_167)) {
- lean_ctor_release(x_167, 0);
- lean_ctor_release(x_167, 1);
- lean_ctor_release(x_167, 2);
- x_178 = x_167;
+if (lean_is_scalar(x_174)) {
+ x_175 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_167);
- x_178 = lean_box(0);
+ x_175 = x_174;
 }
-if (lean_is_scalar(x_178)) {
- x_179 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_175, 0, x_172);
+lean_ctor_set(x_175, 1, x_173);
+lean_ctor_set(x_175, 2, x_149);
+if (lean_is_scalar(x_171)) {
+ x_176 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_179 = x_178;
+ x_176 = x_171;
 }
-lean_ctor_set(x_179, 0, x_176);
-lean_ctor_set(x_179, 1, x_177);
-lean_ctor_set(x_179, 2, x_153);
-if (lean_is_scalar(x_175)) {
- x_180 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_176, 0, x_166);
+lean_ctor_set(x_176, 1, x_167);
+lean_ctor_set(x_176, 2, x_175);
+lean_ctor_set(x_176, 3, x_168);
+lean_ctor_set(x_176, 4, x_169);
+lean_ctor_set(x_176, 5, x_170);
+if (lean_is_scalar(x_165)) {
+ x_177 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_180 = x_175;
+ x_177 = x_165;
 }
-lean_ctor_set(x_180, 0, x_170);
-lean_ctor_set(x_180, 1, x_171);
-lean_ctor_set(x_180, 2, x_179);
-lean_ctor_set(x_180, 3, x_172);
-lean_ctor_set(x_180, 4, x_173);
-lean_ctor_set(x_180, 5, x_174);
-if (lean_is_scalar(x_169)) {
- x_181 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_181 = x_169;
-}
-lean_ctor_set(x_181, 0, x_168);
-lean_ctor_set(x_181, 1, x_180);
-return x_181;
+lean_ctor_set(x_177, 0, x_164);
+lean_ctor_set(x_177, 1, x_176);
+return x_177;
 }
 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; 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_182 = lean_ctor_get(x_165, 1);
+lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 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; 
+x_178 = lean_ctor_get(x_161, 1);
+lean_inc(x_178);
+x_179 = lean_ctor_get(x_178, 2);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_161, 0);
+lean_inc(x_180);
+if (lean_is_exclusive(x_161)) {
+ lean_ctor_release(x_161, 0);
+ lean_ctor_release(x_161, 1);
+ x_181 = x_161;
+} else {
+ lean_dec_ref(x_161);
+ x_181 = lean_box(0);
+}
+x_182 = lean_ctor_get(x_178, 0);
 lean_inc(x_182);
-x_183 = lean_ctor_get(x_182, 2);
+x_183 = lean_ctor_get(x_178, 1);
 lean_inc(x_183);
-x_184 = lean_ctor_get(x_165, 0);
+x_184 = lean_ctor_get(x_178, 3);
 lean_inc(x_184);
-if (lean_is_exclusive(x_165)) {
- lean_ctor_release(x_165, 0);
- lean_ctor_release(x_165, 1);
- x_185 = x_165;
-} else {
- lean_dec_ref(x_165);
- x_185 = lean_box(0);
-}
-x_186 = lean_ctor_get(x_182, 0);
+x_185 = lean_ctor_get(x_178, 4);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_178, 5);
 lean_inc(x_186);
-x_187 = lean_ctor_get(x_182, 1);
-lean_inc(x_187);
-x_188 = lean_ctor_get(x_182, 3);
+if (lean_is_exclusive(x_178)) {
+ lean_ctor_release(x_178, 0);
+ lean_ctor_release(x_178, 1);
+ lean_ctor_release(x_178, 2);
+ lean_ctor_release(x_178, 3);
+ lean_ctor_release(x_178, 4);
+ lean_ctor_release(x_178, 5);
+ x_187 = x_178;
+} else {
+ lean_dec_ref(x_178);
+ x_187 = lean_box(0);
+}
+x_188 = lean_ctor_get(x_179, 0);
 lean_inc(x_188);
-x_189 = lean_ctor_get(x_182, 4);
+x_189 = lean_ctor_get(x_179, 1);
 lean_inc(x_189);
-x_190 = lean_ctor_get(x_182, 5);
-lean_inc(x_190);
-if (lean_is_exclusive(x_182)) {
- lean_ctor_release(x_182, 0);
- lean_ctor_release(x_182, 1);
- lean_ctor_release(x_182, 2);
- lean_ctor_release(x_182, 3);
- lean_ctor_release(x_182, 4);
- lean_ctor_release(x_182, 5);
- x_191 = x_182;
+if (lean_is_exclusive(x_179)) {
+ lean_ctor_release(x_179, 0);
+ lean_ctor_release(x_179, 1);
+ lean_ctor_release(x_179, 2);
+ x_190 = x_179;
 } else {
- lean_dec_ref(x_182);
- x_191 = lean_box(0);
+ lean_dec_ref(x_179);
+ x_190 = lean_box(0);
 }
-x_192 = lean_ctor_get(x_183, 0);
-lean_inc(x_192);
-x_193 = lean_ctor_get(x_183, 1);
-lean_inc(x_193);
-if (lean_is_exclusive(x_183)) {
- lean_ctor_release(x_183, 0);
- lean_ctor_release(x_183, 1);
- lean_ctor_release(x_183, 2);
- x_194 = x_183;
+if (lean_is_scalar(x_190)) {
+ x_191 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_183);
- x_194 = lean_box(0);
+ x_191 = x_190;
 }
-if (lean_is_scalar(x_194)) {
- x_195 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_191, 0, x_188);
+lean_ctor_set(x_191, 1, x_189);
+lean_ctor_set(x_191, 2, x_149);
+if (lean_is_scalar(x_187)) {
+ x_192 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_195 = x_194;
+ x_192 = x_187;
 }
-lean_ctor_set(x_195, 0, x_192);
-lean_ctor_set(x_195, 1, x_193);
-lean_ctor_set(x_195, 2, x_153);
-if (lean_is_scalar(x_191)) {
- x_196 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_192, 0, x_182);
+lean_ctor_set(x_192, 1, x_183);
+lean_ctor_set(x_192, 2, x_191);
+lean_ctor_set(x_192, 3, x_184);
+lean_ctor_set(x_192, 4, x_185);
+lean_ctor_set(x_192, 5, x_186);
+if (lean_is_scalar(x_181)) {
+ x_193 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_196 = x_191;
+ x_193 = x_181;
 }
-lean_ctor_set(x_196, 0, x_186);
-lean_ctor_set(x_196, 1, x_187);
-lean_ctor_set(x_196, 2, x_195);
-lean_ctor_set(x_196, 3, x_188);
-lean_ctor_set(x_196, 4, x_189);
-lean_ctor_set(x_196, 5, x_190);
-if (lean_is_scalar(x_185)) {
- x_197 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_197 = x_185;
-}
-lean_ctor_set(x_197, 0, x_184);
-lean_ctor_set(x_197, 1, x_196);
-return x_197;
+lean_ctor_set(x_193, 0, x_180);
+lean_ctor_set(x_193, 1, x_192);
+return x_193;
 }
 }
 }
 else
 {
-lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; 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_198 = lean_ctor_get(x_28, 2);
-x_199 = lean_ctor_get(x_28, 0);
-x_200 = lean_ctor_get(x_28, 1);
-x_201 = lean_ctor_get(x_28, 3);
-x_202 = lean_ctor_get(x_28, 4);
-x_203 = lean_ctor_get(x_28, 5);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_inc(x_198);
-lean_inc(x_200);
+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; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; 
+x_194 = lean_ctor_get(x_24, 2);
+x_195 = lean_ctor_get(x_24, 0);
+x_196 = lean_ctor_get(x_24, 1);
+x_197 = lean_ctor_get(x_24, 3);
+x_198 = lean_ctor_get(x_24, 4);
+x_199 = lean_ctor_get(x_24, 5);
 lean_inc(x_199);
-lean_dec(x_28);
-x_204 = lean_ctor_get(x_198, 0);
-lean_inc(x_204);
-x_205 = lean_ctor_get(x_198, 1);
-lean_inc(x_205);
-x_206 = lean_ctor_get(x_198, 2);
-lean_inc(x_206);
-if (lean_is_exclusive(x_198)) {
- lean_ctor_release(x_198, 0);
- lean_ctor_release(x_198, 1);
- lean_ctor_release(x_198, 2);
- x_207 = x_198;
+lean_inc(x_198);
+lean_inc(x_197);
+lean_inc(x_194);
+lean_inc(x_196);
+lean_inc(x_195);
+lean_dec(x_24);
+x_200 = lean_ctor_get(x_194, 0);
+lean_inc(x_200);
+x_201 = lean_ctor_get(x_194, 1);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_194, 2);
+lean_inc(x_202);
+if (lean_is_exclusive(x_194)) {
+ lean_ctor_release(x_194, 0);
+ lean_ctor_release(x_194, 1);
+ lean_ctor_release(x_194, 2);
+ x_203 = x_194;
 } else {
- lean_dec_ref(x_198);
- x_207 = lean_box(0);
+ lean_dec_ref(x_194);
+ x_203 = lean_box(0);
 }
-x_208 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-if (lean_is_scalar(x_207)) {
- x_209 = lean_alloc_ctor(0, 3, 0);
+x_204 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+if (lean_is_scalar(x_203)) {
+ x_205 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_209 = x_207;
+ x_205 = x_203;
 }
-lean_ctor_set(x_209, 0, x_204);
-lean_ctor_set(x_209, 1, x_205);
-lean_ctor_set(x_209, 2, x_208);
-x_210 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_210, 0, x_199);
-lean_ctor_set(x_210, 1, x_200);
-lean_ctor_set(x_210, 2, x_209);
-lean_ctor_set(x_210, 3, x_201);
-lean_ctor_set(x_210, 4, x_202);
-lean_ctor_set(x_210, 5, x_203);
-x_211 = lean_ctor_get(x_7, 0);
+lean_ctor_set(x_205, 0, x_200);
+lean_ctor_set(x_205, 1, x_201);
+lean_ctor_set(x_205, 2, x_204);
+x_206 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_206, 0, x_195);
+lean_ctor_set(x_206, 1, x_196);
+lean_ctor_set(x_206, 2, x_205);
+lean_ctor_set(x_206, 3, x_197);
+lean_ctor_set(x_206, 4, x_198);
+lean_ctor_set(x_206, 5, x_199);
+x_207 = lean_ctor_get(x_6, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_6, 1);
+lean_inc(x_208);
+x_209 = lean_ctor_get(x_6, 2);
+lean_inc(x_209);
+x_210 = lean_ctor_get(x_6, 3);
+lean_inc(x_210);
+x_211 = lean_ctor_get(x_6, 4);
 lean_inc(x_211);
-x_212 = lean_ctor_get(x_7, 1);
-lean_inc(x_212);
-x_213 = lean_ctor_get(x_7, 2);
-lean_inc(x_213);
-x_214 = lean_ctor_get(x_7, 3);
-lean_inc(x_214);
-x_215 = lean_ctor_get(x_7, 4);
-lean_inc(x_215);
-if (lean_is_exclusive(x_7)) {
- lean_ctor_release(x_7, 0);
- lean_ctor_release(x_7, 1);
- lean_ctor_release(x_7, 2);
- lean_ctor_release(x_7, 3);
- lean_ctor_release(x_7, 4);
- x_216 = x_7;
+if (lean_is_exclusive(x_6)) {
+ lean_ctor_release(x_6, 0);
+ lean_ctor_release(x_6, 1);
+ lean_ctor_release(x_6, 2);
+ lean_ctor_release(x_6, 3);
+ lean_ctor_release(x_6, 4);
+ x_212 = x_6;
 } else {
- lean_dec_ref(x_7);
- x_216 = lean_box(0);
+ lean_dec_ref(x_6);
+ x_212 = lean_box(0);
 }
-x_217 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_217, 0, x_29);
-lean_ctor_set(x_217, 1, x_17);
-x_218 = lean_array_push(x_213, x_217);
-if (lean_is_scalar(x_216)) {
- x_219 = lean_alloc_ctor(0, 5, 0);
+x_213 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_213, 0, x_25);
+lean_ctor_set(x_213, 1, x_13);
+x_214 = lean_array_push(x_209, x_213);
+if (lean_is_scalar(x_212)) {
+ x_215 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_219 = x_216;
+ x_215 = x_212;
 }
-lean_ctor_set(x_219, 0, x_211);
-lean_ctor_set(x_219, 1, x_212);
-lean_ctor_set(x_219, 2, x_218);
-lean_ctor_set(x_219, 3, x_214);
-lean_ctor_set(x_219, 4, x_215);
-x_220 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_31, x_219, x_210);
-if (lean_obj_tag(x_220) == 0)
+lean_ctor_set(x_215, 0, x_207);
+lean_ctor_set(x_215, 1, x_208);
+lean_ctor_set(x_215, 2, x_214);
+lean_ctor_set(x_215, 3, x_210);
+lean_ctor_set(x_215, 4, x_211);
+x_216 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_27, x_215, x_206);
+if (lean_obj_tag(x_216) == 0)
 {
-lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; 
-x_221 = lean_ctor_get(x_220, 1);
+lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; 
+x_217 = lean_ctor_get(x_216, 1);
+lean_inc(x_217);
+x_218 = lean_ctor_get(x_217, 2);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_216, 0);
+lean_inc(x_219);
+if (lean_is_exclusive(x_216)) {
+ lean_ctor_release(x_216, 0);
+ lean_ctor_release(x_216, 1);
+ x_220 = x_216;
+} else {
+ lean_dec_ref(x_216);
+ x_220 = lean_box(0);
+}
+x_221 = lean_ctor_get(x_217, 0);
 lean_inc(x_221);
-x_222 = lean_ctor_get(x_221, 2);
+x_222 = lean_ctor_get(x_217, 1);
 lean_inc(x_222);
-x_223 = lean_ctor_get(x_220, 0);
+x_223 = lean_ctor_get(x_217, 3);
 lean_inc(x_223);
-if (lean_is_exclusive(x_220)) {
- lean_ctor_release(x_220, 0);
- lean_ctor_release(x_220, 1);
- x_224 = x_220;
-} else {
- lean_dec_ref(x_220);
- x_224 = lean_box(0);
-}
-x_225 = lean_ctor_get(x_221, 0);
+x_224 = lean_ctor_get(x_217, 4);
+lean_inc(x_224);
+x_225 = lean_ctor_get(x_217, 5);
 lean_inc(x_225);
-x_226 = lean_ctor_get(x_221, 1);
-lean_inc(x_226);
-x_227 = lean_ctor_get(x_221, 3);
+if (lean_is_exclusive(x_217)) {
+ lean_ctor_release(x_217, 0);
+ lean_ctor_release(x_217, 1);
+ lean_ctor_release(x_217, 2);
+ lean_ctor_release(x_217, 3);
+ lean_ctor_release(x_217, 4);
+ lean_ctor_release(x_217, 5);
+ x_226 = x_217;
+} else {
+ lean_dec_ref(x_217);
+ x_226 = lean_box(0);
+}
+x_227 = lean_ctor_get(x_218, 0);
 lean_inc(x_227);
-x_228 = lean_ctor_get(x_221, 4);
+x_228 = lean_ctor_get(x_218, 1);
 lean_inc(x_228);
-x_229 = lean_ctor_get(x_221, 5);
-lean_inc(x_229);
-if (lean_is_exclusive(x_221)) {
- lean_ctor_release(x_221, 0);
- lean_ctor_release(x_221, 1);
- lean_ctor_release(x_221, 2);
- lean_ctor_release(x_221, 3);
- lean_ctor_release(x_221, 4);
- lean_ctor_release(x_221, 5);
- x_230 = x_221;
+if (lean_is_exclusive(x_218)) {
+ lean_ctor_release(x_218, 0);
+ lean_ctor_release(x_218, 1);
+ lean_ctor_release(x_218, 2);
+ x_229 = x_218;
 } else {
- lean_dec_ref(x_221);
- x_230 = lean_box(0);
+ lean_dec_ref(x_218);
+ x_229 = lean_box(0);
 }
-x_231 = lean_ctor_get(x_222, 0);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_222, 1);
-lean_inc(x_232);
-if (lean_is_exclusive(x_222)) {
- lean_ctor_release(x_222, 0);
- lean_ctor_release(x_222, 1);
- lean_ctor_release(x_222, 2);
- x_233 = x_222;
+if (lean_is_scalar(x_229)) {
+ x_230 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_222);
- x_233 = lean_box(0);
+ x_230 = x_229;
 }
-if (lean_is_scalar(x_233)) {
- x_234 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_230, 0, x_227);
+lean_ctor_set(x_230, 1, x_228);
+lean_ctor_set(x_230, 2, x_202);
+if (lean_is_scalar(x_226)) {
+ x_231 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_234 = x_233;
+ x_231 = x_226;
 }
-lean_ctor_set(x_234, 0, x_231);
-lean_ctor_set(x_234, 1, x_232);
-lean_ctor_set(x_234, 2, x_206);
-if (lean_is_scalar(x_230)) {
- x_235 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_231, 0, x_221);
+lean_ctor_set(x_231, 1, x_222);
+lean_ctor_set(x_231, 2, x_230);
+lean_ctor_set(x_231, 3, x_223);
+lean_ctor_set(x_231, 4, x_224);
+lean_ctor_set(x_231, 5, x_225);
+if (lean_is_scalar(x_220)) {
+ x_232 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_235 = x_230;
+ x_232 = x_220;
 }
-lean_ctor_set(x_235, 0, x_225);
-lean_ctor_set(x_235, 1, x_226);
-lean_ctor_set(x_235, 2, x_234);
-lean_ctor_set(x_235, 3, x_227);
-lean_ctor_set(x_235, 4, x_228);
-lean_ctor_set(x_235, 5, x_229);
-if (lean_is_scalar(x_224)) {
- x_236 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_236 = x_224;
-}
-lean_ctor_set(x_236, 0, x_223);
-lean_ctor_set(x_236, 1, x_235);
-return x_236;
+lean_ctor_set(x_232, 0, x_219);
+lean_ctor_set(x_232, 1, x_231);
+return x_232;
 }
 else
 {
-lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; 
-x_237 = lean_ctor_get(x_220, 1);
+lean_object* x_233; lean_object* x_234; 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; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
+x_233 = lean_ctor_get(x_216, 1);
+lean_inc(x_233);
+x_234 = lean_ctor_get(x_233, 2);
+lean_inc(x_234);
+x_235 = lean_ctor_get(x_216, 0);
+lean_inc(x_235);
+if (lean_is_exclusive(x_216)) {
+ lean_ctor_release(x_216, 0);
+ lean_ctor_release(x_216, 1);
+ x_236 = x_216;
+} else {
+ lean_dec_ref(x_216);
+ x_236 = lean_box(0);
+}
+x_237 = lean_ctor_get(x_233, 0);
 lean_inc(x_237);
-x_238 = lean_ctor_get(x_237, 2);
+x_238 = lean_ctor_get(x_233, 1);
 lean_inc(x_238);
-x_239 = lean_ctor_get(x_220, 0);
+x_239 = lean_ctor_get(x_233, 3);
 lean_inc(x_239);
-if (lean_is_exclusive(x_220)) {
- lean_ctor_release(x_220, 0);
- lean_ctor_release(x_220, 1);
- x_240 = x_220;
-} else {
- lean_dec_ref(x_220);
- x_240 = lean_box(0);
-}
-x_241 = lean_ctor_get(x_237, 0);
+x_240 = lean_ctor_get(x_233, 4);
+lean_inc(x_240);
+x_241 = lean_ctor_get(x_233, 5);
 lean_inc(x_241);
-x_242 = lean_ctor_get(x_237, 1);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_237, 3);
+if (lean_is_exclusive(x_233)) {
+ lean_ctor_release(x_233, 0);
+ lean_ctor_release(x_233, 1);
+ lean_ctor_release(x_233, 2);
+ lean_ctor_release(x_233, 3);
+ lean_ctor_release(x_233, 4);
+ lean_ctor_release(x_233, 5);
+ x_242 = x_233;
+} else {
+ lean_dec_ref(x_233);
+ x_242 = lean_box(0);
+}
+x_243 = lean_ctor_get(x_234, 0);
 lean_inc(x_243);
-x_244 = lean_ctor_get(x_237, 4);
+x_244 = lean_ctor_get(x_234, 1);
 lean_inc(x_244);
-x_245 = lean_ctor_get(x_237, 5);
-lean_inc(x_245);
-if (lean_is_exclusive(x_237)) {
- lean_ctor_release(x_237, 0);
- lean_ctor_release(x_237, 1);
- lean_ctor_release(x_237, 2);
- lean_ctor_release(x_237, 3);
- lean_ctor_release(x_237, 4);
- lean_ctor_release(x_237, 5);
- x_246 = x_237;
+if (lean_is_exclusive(x_234)) {
+ lean_ctor_release(x_234, 0);
+ lean_ctor_release(x_234, 1);
+ lean_ctor_release(x_234, 2);
+ x_245 = x_234;
 } else {
- lean_dec_ref(x_237);
- x_246 = lean_box(0);
+ lean_dec_ref(x_234);
+ x_245 = lean_box(0);
 }
-x_247 = lean_ctor_get(x_238, 0);
-lean_inc(x_247);
-x_248 = lean_ctor_get(x_238, 1);
-lean_inc(x_248);
-if (lean_is_exclusive(x_238)) {
- lean_ctor_release(x_238, 0);
- lean_ctor_release(x_238, 1);
- lean_ctor_release(x_238, 2);
- x_249 = x_238;
+if (lean_is_scalar(x_245)) {
+ x_246 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_238);
- x_249 = lean_box(0);
+ x_246 = x_245;
 }
-if (lean_is_scalar(x_249)) {
- x_250 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_246, 0, x_243);
+lean_ctor_set(x_246, 1, x_244);
+lean_ctor_set(x_246, 2, x_202);
+if (lean_is_scalar(x_242)) {
+ x_247 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_250 = x_249;
+ x_247 = x_242;
 }
-lean_ctor_set(x_250, 0, x_247);
-lean_ctor_set(x_250, 1, x_248);
-lean_ctor_set(x_250, 2, x_206);
-if (lean_is_scalar(x_246)) {
- x_251 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_247, 0, x_237);
+lean_ctor_set(x_247, 1, x_238);
+lean_ctor_set(x_247, 2, x_246);
+lean_ctor_set(x_247, 3, x_239);
+lean_ctor_set(x_247, 4, x_240);
+lean_ctor_set(x_247, 5, x_241);
+if (lean_is_scalar(x_236)) {
+ x_248 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_251 = x_246;
+ x_248 = x_236;
 }
-lean_ctor_set(x_251, 0, x_241);
-lean_ctor_set(x_251, 1, x_242);
-lean_ctor_set(x_251, 2, x_250);
-lean_ctor_set(x_251, 3, x_243);
-lean_ctor_set(x_251, 4, x_244);
-lean_ctor_set(x_251, 5, x_245);
-if (lean_is_scalar(x_240)) {
- x_252 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_252 = x_240;
-}
-lean_ctor_set(x_252, 0, x_239);
-lean_ctor_set(x_252, 1, x_251);
-return x_252;
+lean_ctor_set(x_248, 0, x_235);
+lean_ctor_set(x_248, 1, x_247);
+return x_248;
 }
 }
 }
 default: 
 {
-lean_object* x_253; lean_object* x_254; 
-x_253 = lean_ctor_get(x_22, 1);
-lean_inc(x_253);
-lean_dec(x_22);
-lean_inc(x_7);
-x_254 = l_Lean_Meta_isClassExpensive___main(x_21, x_7, x_253);
-if (lean_obj_tag(x_254) == 0)
+lean_object* x_249; lean_object* x_250; 
+x_249 = lean_ctor_get(x_18, 1);
+lean_inc(x_249);
+lean_dec(x_18);
+lean_inc(x_6);
+x_250 = l_Lean_Meta_isClassExpensive___main(x_17, x_6, x_249);
+if (lean_obj_tag(x_250) == 0)
 {
-lean_object* x_255; 
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-if (lean_obj_tag(x_255) == 0)
+lean_object* x_251; 
+x_251 = lean_ctor_get(x_250, 0);
+lean_inc(x_251);
+if (lean_obj_tag(x_251) == 0)
 {
-lean_object* x_256; lean_object* x_257; lean_object* x_258; 
-lean_dec(x_17);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unsigned_to_nat(1u);
-x_258 = lean_nat_add(x_6, x_257);
-lean_dec(x_6);
-x_6 = x_258;
-x_8 = x_256;
+lean_object* x_252; lean_object* x_253; lean_object* x_254; 
+lean_dec(x_13);
+x_252 = lean_ctor_get(x_250, 1);
+lean_inc(x_252);
+lean_dec(x_250);
+x_253 = lean_unsigned_to_nat(1u);
+x_254 = lean_nat_add(x_5, x_253);
+lean_dec(x_5);
+x_5 = x_254;
+x_7 = x_252;
 goto _start;
 }
 else
 {
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; uint8_t x_264; 
-x_260 = lean_ctor_get(x_254, 1);
-lean_inc(x_260);
-lean_dec(x_254);
-x_261 = lean_ctor_get(x_255, 0);
-lean_inc(x_261);
-lean_dec(x_255);
-x_262 = lean_unsigned_to_nat(1u);
-x_263 = lean_nat_add(x_6, x_262);
-lean_dec(x_6);
-x_264 = !lean_is_exclusive(x_260);
-if (x_264 == 0)
+lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; uint8_t x_260; 
+x_256 = lean_ctor_get(x_250, 1);
+lean_inc(x_256);
+lean_dec(x_250);
+x_257 = lean_ctor_get(x_251, 0);
+lean_inc(x_257);
+lean_dec(x_251);
+x_258 = lean_unsigned_to_nat(1u);
+x_259 = lean_nat_add(x_5, x_258);
+lean_dec(x_5);
+x_260 = !lean_is_exclusive(x_256);
+if (x_260 == 0)
 {
-lean_object* x_265; uint8_t x_266; 
-x_265 = lean_ctor_get(x_260, 2);
-x_266 = !lean_is_exclusive(x_265);
-if (x_266 == 0)
+lean_object* x_261; uint8_t x_262; 
+x_261 = lean_ctor_get(x_256, 2);
+x_262 = !lean_is_exclusive(x_261);
+if (x_262 == 0)
 {
-lean_object* x_267; lean_object* x_268; uint8_t x_269; 
-x_267 = lean_ctor_get(x_265, 2);
-x_268 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-lean_ctor_set(x_265, 2, x_268);
-x_269 = !lean_is_exclusive(x_7);
-if (x_269 == 0)
+lean_object* x_263; lean_object* x_264; uint8_t x_265; 
+x_263 = lean_ctor_get(x_261, 2);
+x_264 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+lean_ctor_set(x_261, 2, x_264);
+x_265 = !lean_is_exclusive(x_6);
+if (x_265 == 0)
 {
-lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; 
-x_270 = lean_ctor_get(x_7, 2);
-x_271 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_271, 0, x_261);
-lean_ctor_set(x_271, 1, x_17);
-x_272 = lean_array_push(x_270, x_271);
-lean_ctor_set(x_7, 2, x_272);
-x_273 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_263, x_7, x_260);
-if (lean_obj_tag(x_273) == 0)
+lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; 
+x_266 = lean_ctor_get(x_6, 2);
+x_267 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_267, 0, x_257);
+lean_ctor_set(x_267, 1, x_13);
+x_268 = lean_array_push(x_266, x_267);
+lean_ctor_set(x_6, 2, x_268);
+x_269 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_259, x_6, x_256);
+if (lean_obj_tag(x_269) == 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_274, 2);
-lean_inc(x_275);
-x_276 = !lean_is_exclusive(x_273);
+lean_object* x_270; lean_object* x_271; uint8_t x_272; 
+x_270 = lean_ctor_get(x_269, 1);
+lean_inc(x_270);
+x_271 = lean_ctor_get(x_270, 2);
+lean_inc(x_271);
+x_272 = !lean_is_exclusive(x_269);
+if (x_272 == 0)
+{
+lean_object* x_273; uint8_t x_274; 
+x_273 = lean_ctor_get(x_269, 1);
+lean_dec(x_273);
+x_274 = !lean_is_exclusive(x_270);
+if (x_274 == 0)
+{
+lean_object* x_275; uint8_t x_276; 
+x_275 = lean_ctor_get(x_270, 2);
+lean_dec(x_275);
+x_276 = !lean_is_exclusive(x_271);
 if (x_276 == 0)
 {
-lean_object* x_277; uint8_t x_278; 
-x_277 = lean_ctor_get(x_273, 1);
+lean_object* x_277; 
+x_277 = lean_ctor_get(x_271, 2);
 lean_dec(x_277);
-x_278 = !lean_is_exclusive(x_274);
-if (x_278 == 0)
-{
-lean_object* x_279; uint8_t x_280; 
-x_279 = lean_ctor_get(x_274, 2);
-lean_dec(x_279);
-x_280 = !lean_is_exclusive(x_275);
-if (x_280 == 0)
-{
-lean_object* x_281; 
-x_281 = lean_ctor_get(x_275, 2);
-lean_dec(x_281);
-lean_ctor_set(x_275, 2, x_267);
-return x_273;
+lean_ctor_set(x_271, 2, x_263);
+return x_269;
 }
 else
 {
-lean_object* x_282; lean_object* x_283; lean_object* x_284; 
-x_282 = lean_ctor_get(x_275, 0);
-x_283 = lean_ctor_get(x_275, 1);
+lean_object* x_278; lean_object* x_279; lean_object* x_280; 
+x_278 = lean_ctor_get(x_271, 0);
+x_279 = lean_ctor_get(x_271, 1);
+lean_inc(x_279);
+lean_inc(x_278);
+lean_dec(x_271);
+x_280 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_280, 0, x_278);
+lean_ctor_set(x_280, 1, x_279);
+lean_ctor_set(x_280, 2, x_263);
+lean_ctor_set(x_270, 2, x_280);
+return x_269;
+}
+}
+else
+{
+lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; 
+x_281 = lean_ctor_get(x_270, 0);
+x_282 = lean_ctor_get(x_270, 1);
+x_283 = lean_ctor_get(x_270, 3);
+x_284 = lean_ctor_get(x_270, 4);
+x_285 = lean_ctor_get(x_270, 5);
+lean_inc(x_285);
+lean_inc(x_284);
 lean_inc(x_283);
 lean_inc(x_282);
-lean_dec(x_275);
-x_284 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_284, 0, x_282);
-lean_ctor_set(x_284, 1, x_283);
-lean_ctor_set(x_284, 2, x_267);
-lean_ctor_set(x_274, 2, x_284);
-return x_273;
-}
-}
-else
-{
-lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_285 = lean_ctor_get(x_274, 0);
-x_286 = lean_ctor_get(x_274, 1);
-x_287 = lean_ctor_get(x_274, 3);
-x_288 = lean_ctor_get(x_274, 4);
-x_289 = lean_ctor_get(x_274, 5);
-lean_inc(x_289);
-lean_inc(x_288);
-lean_inc(x_287);
+lean_inc(x_281);
+lean_dec(x_270);
+x_286 = lean_ctor_get(x_271, 0);
 lean_inc(x_286);
-lean_inc(x_285);
-lean_dec(x_274);
-x_290 = lean_ctor_get(x_275, 0);
-lean_inc(x_290);
-x_291 = lean_ctor_get(x_275, 1);
+x_287 = lean_ctor_get(x_271, 1);
+lean_inc(x_287);
+if (lean_is_exclusive(x_271)) {
+ lean_ctor_release(x_271, 0);
+ lean_ctor_release(x_271, 1);
+ lean_ctor_release(x_271, 2);
+ x_288 = x_271;
+} else {
+ lean_dec_ref(x_271);
+ x_288 = lean_box(0);
+}
+if (lean_is_scalar(x_288)) {
+ x_289 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_289 = x_288;
+}
+lean_ctor_set(x_289, 0, x_286);
+lean_ctor_set(x_289, 1, x_287);
+lean_ctor_set(x_289, 2, x_263);
+x_290 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_290, 0, x_281);
+lean_ctor_set(x_290, 1, x_282);
+lean_ctor_set(x_290, 2, x_289);
+lean_ctor_set(x_290, 3, x_283);
+lean_ctor_set(x_290, 4, x_284);
+lean_ctor_set(x_290, 5, x_285);
+lean_ctor_set(x_269, 1, x_290);
+return x_269;
+}
+}
+else
+{
+lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; 
+x_291 = lean_ctor_get(x_269, 0);
 lean_inc(x_291);
-if (lean_is_exclusive(x_275)) {
- lean_ctor_release(x_275, 0);
- lean_ctor_release(x_275, 1);
- lean_ctor_release(x_275, 2);
- x_292 = x_275;
-} else {
- lean_dec_ref(x_275);
- x_292 = lean_box(0);
-}
-if (lean_is_scalar(x_292)) {
- x_293 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_293 = x_292;
-}
-lean_ctor_set(x_293, 0, x_290);
-lean_ctor_set(x_293, 1, x_291);
-lean_ctor_set(x_293, 2, x_267);
-x_294 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_294, 0, x_285);
-lean_ctor_set(x_294, 1, x_286);
-lean_ctor_set(x_294, 2, x_293);
-lean_ctor_set(x_294, 3, x_287);
-lean_ctor_set(x_294, 4, x_288);
-lean_ctor_set(x_294, 5, x_289);
-lean_ctor_set(x_273, 1, x_294);
-return x_273;
-}
-}
-else
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; 
-x_295 = lean_ctor_get(x_273, 0);
+lean_dec(x_269);
+x_292 = lean_ctor_get(x_270, 0);
+lean_inc(x_292);
+x_293 = lean_ctor_get(x_270, 1);
+lean_inc(x_293);
+x_294 = lean_ctor_get(x_270, 3);
+lean_inc(x_294);
+x_295 = lean_ctor_get(x_270, 4);
 lean_inc(x_295);
-lean_dec(x_273);
-x_296 = lean_ctor_get(x_274, 0);
+x_296 = lean_ctor_get(x_270, 5);
 lean_inc(x_296);
-x_297 = lean_ctor_get(x_274, 1);
-lean_inc(x_297);
-x_298 = lean_ctor_get(x_274, 3);
+if (lean_is_exclusive(x_270)) {
+ lean_ctor_release(x_270, 0);
+ lean_ctor_release(x_270, 1);
+ lean_ctor_release(x_270, 2);
+ lean_ctor_release(x_270, 3);
+ lean_ctor_release(x_270, 4);
+ lean_ctor_release(x_270, 5);
+ x_297 = x_270;
+} else {
+ lean_dec_ref(x_270);
+ x_297 = lean_box(0);
+}
+x_298 = lean_ctor_get(x_271, 0);
 lean_inc(x_298);
-x_299 = lean_ctor_get(x_274, 4);
+x_299 = lean_ctor_get(x_271, 1);
 lean_inc(x_299);
-x_300 = lean_ctor_get(x_274, 5);
-lean_inc(x_300);
-if (lean_is_exclusive(x_274)) {
- lean_ctor_release(x_274, 0);
- lean_ctor_release(x_274, 1);
- lean_ctor_release(x_274, 2);
- lean_ctor_release(x_274, 3);
- lean_ctor_release(x_274, 4);
- lean_ctor_release(x_274, 5);
- x_301 = x_274;
+if (lean_is_exclusive(x_271)) {
+ lean_ctor_release(x_271, 0);
+ lean_ctor_release(x_271, 1);
+ lean_ctor_release(x_271, 2);
+ x_300 = x_271;
 } else {
- lean_dec_ref(x_274);
- x_301 = lean_box(0);
+ lean_dec_ref(x_271);
+ x_300 = lean_box(0);
 }
-x_302 = lean_ctor_get(x_275, 0);
-lean_inc(x_302);
-x_303 = lean_ctor_get(x_275, 1);
-lean_inc(x_303);
-if (lean_is_exclusive(x_275)) {
- lean_ctor_release(x_275, 0);
- lean_ctor_release(x_275, 1);
- lean_ctor_release(x_275, 2);
- x_304 = x_275;
+if (lean_is_scalar(x_300)) {
+ x_301 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_275);
- x_304 = lean_box(0);
+ x_301 = x_300;
 }
-if (lean_is_scalar(x_304)) {
- x_305 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_301, 0, x_298);
+lean_ctor_set(x_301, 1, x_299);
+lean_ctor_set(x_301, 2, x_263);
+if (lean_is_scalar(x_297)) {
+ x_302 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_305 = x_304;
+ x_302 = x_297;
 }
-lean_ctor_set(x_305, 0, x_302);
-lean_ctor_set(x_305, 1, x_303);
-lean_ctor_set(x_305, 2, x_267);
-if (lean_is_scalar(x_301)) {
- x_306 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_306 = x_301;
-}
-lean_ctor_set(x_306, 0, x_296);
-lean_ctor_set(x_306, 1, x_297);
-lean_ctor_set(x_306, 2, x_305);
-lean_ctor_set(x_306, 3, x_298);
-lean_ctor_set(x_306, 4, x_299);
-lean_ctor_set(x_306, 5, x_300);
-x_307 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_307, 0, x_295);
-lean_ctor_set(x_307, 1, x_306);
-return x_307;
+lean_ctor_set(x_302, 0, x_292);
+lean_ctor_set(x_302, 1, x_293);
+lean_ctor_set(x_302, 2, x_301);
+lean_ctor_set(x_302, 3, x_294);
+lean_ctor_set(x_302, 4, x_295);
+lean_ctor_set(x_302, 5, x_296);
+x_303 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_303, 0, x_291);
+lean_ctor_set(x_303, 1, x_302);
+return x_303;
 }
 }
 else
 {
-lean_object* x_308; lean_object* x_309; uint8_t x_310; 
-x_308 = lean_ctor_get(x_273, 1);
-lean_inc(x_308);
-x_309 = lean_ctor_get(x_308, 2);
-lean_inc(x_309);
-x_310 = !lean_is_exclusive(x_273);
+lean_object* x_304; lean_object* x_305; uint8_t x_306; 
+x_304 = lean_ctor_get(x_269, 1);
+lean_inc(x_304);
+x_305 = lean_ctor_get(x_304, 2);
+lean_inc(x_305);
+x_306 = !lean_is_exclusive(x_269);
+if (x_306 == 0)
+{
+lean_object* x_307; uint8_t x_308; 
+x_307 = lean_ctor_get(x_269, 1);
+lean_dec(x_307);
+x_308 = !lean_is_exclusive(x_304);
+if (x_308 == 0)
+{
+lean_object* x_309; uint8_t x_310; 
+x_309 = lean_ctor_get(x_304, 2);
+lean_dec(x_309);
+x_310 = !lean_is_exclusive(x_305);
 if (x_310 == 0)
 {
-lean_object* x_311; uint8_t x_312; 
-x_311 = lean_ctor_get(x_273, 1);
+lean_object* x_311; 
+x_311 = lean_ctor_get(x_305, 2);
 lean_dec(x_311);
-x_312 = !lean_is_exclusive(x_308);
-if (x_312 == 0)
-{
-lean_object* x_313; uint8_t x_314; 
-x_313 = lean_ctor_get(x_308, 2);
-lean_dec(x_313);
-x_314 = !lean_is_exclusive(x_309);
-if (x_314 == 0)
-{
-lean_object* x_315; 
-x_315 = lean_ctor_get(x_309, 2);
-lean_dec(x_315);
-lean_ctor_set(x_309, 2, x_267);
-return x_273;
+lean_ctor_set(x_305, 2, x_263);
+return x_269;
 }
 else
 {
-lean_object* x_316; lean_object* x_317; lean_object* x_318; 
-x_316 = lean_ctor_get(x_309, 0);
-x_317 = lean_ctor_get(x_309, 1);
+lean_object* x_312; lean_object* x_313; lean_object* x_314; 
+x_312 = lean_ctor_get(x_305, 0);
+x_313 = lean_ctor_get(x_305, 1);
+lean_inc(x_313);
+lean_inc(x_312);
+lean_dec(x_305);
+x_314 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_314, 0, x_312);
+lean_ctor_set(x_314, 1, x_313);
+lean_ctor_set(x_314, 2, x_263);
+lean_ctor_set(x_304, 2, x_314);
+return x_269;
+}
+}
+else
+{
+lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; 
+x_315 = lean_ctor_get(x_304, 0);
+x_316 = lean_ctor_get(x_304, 1);
+x_317 = lean_ctor_get(x_304, 3);
+x_318 = lean_ctor_get(x_304, 4);
+x_319 = lean_ctor_get(x_304, 5);
+lean_inc(x_319);
+lean_inc(x_318);
 lean_inc(x_317);
 lean_inc(x_316);
-lean_dec(x_309);
-x_318 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_318, 0, x_316);
-lean_ctor_set(x_318, 1, x_317);
-lean_ctor_set(x_318, 2, x_267);
-lean_ctor_set(x_308, 2, x_318);
-return x_273;
-}
-}
-else
-{
-lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; 
-x_319 = lean_ctor_get(x_308, 0);
-x_320 = lean_ctor_get(x_308, 1);
-x_321 = lean_ctor_get(x_308, 3);
-x_322 = lean_ctor_get(x_308, 4);
-x_323 = lean_ctor_get(x_308, 5);
-lean_inc(x_323);
-lean_inc(x_322);
-lean_inc(x_321);
+lean_inc(x_315);
+lean_dec(x_304);
+x_320 = lean_ctor_get(x_305, 0);
 lean_inc(x_320);
-lean_inc(x_319);
-lean_dec(x_308);
-x_324 = lean_ctor_get(x_309, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_309, 1);
+x_321 = lean_ctor_get(x_305, 1);
+lean_inc(x_321);
+if (lean_is_exclusive(x_305)) {
+ lean_ctor_release(x_305, 0);
+ lean_ctor_release(x_305, 1);
+ lean_ctor_release(x_305, 2);
+ x_322 = x_305;
+} else {
+ lean_dec_ref(x_305);
+ x_322 = lean_box(0);
+}
+if (lean_is_scalar(x_322)) {
+ x_323 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_323 = x_322;
+}
+lean_ctor_set(x_323, 0, x_320);
+lean_ctor_set(x_323, 1, x_321);
+lean_ctor_set(x_323, 2, x_263);
+x_324 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_324, 0, x_315);
+lean_ctor_set(x_324, 1, x_316);
+lean_ctor_set(x_324, 2, x_323);
+lean_ctor_set(x_324, 3, x_317);
+lean_ctor_set(x_324, 4, x_318);
+lean_ctor_set(x_324, 5, x_319);
+lean_ctor_set(x_269, 1, x_324);
+return x_269;
+}
+}
+else
+{
+lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; 
+x_325 = lean_ctor_get(x_269, 0);
 lean_inc(x_325);
-if (lean_is_exclusive(x_309)) {
- lean_ctor_release(x_309, 0);
- lean_ctor_release(x_309, 1);
- lean_ctor_release(x_309, 2);
- x_326 = x_309;
-} else {
- lean_dec_ref(x_309);
- x_326 = lean_box(0);
-}
-if (lean_is_scalar(x_326)) {
- x_327 = lean_alloc_ctor(0, 3, 0);
-} else {
- x_327 = x_326;
-}
-lean_ctor_set(x_327, 0, x_324);
-lean_ctor_set(x_327, 1, x_325);
-lean_ctor_set(x_327, 2, x_267);
-x_328 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_328, 0, x_319);
-lean_ctor_set(x_328, 1, x_320);
-lean_ctor_set(x_328, 2, x_327);
-lean_ctor_set(x_328, 3, x_321);
-lean_ctor_set(x_328, 4, x_322);
-lean_ctor_set(x_328, 5, x_323);
-lean_ctor_set(x_273, 1, x_328);
-return x_273;
-}
-}
-else
-{
-lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; 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; lean_object* x_341; 
-x_329 = lean_ctor_get(x_273, 0);
+lean_dec(x_269);
+x_326 = lean_ctor_get(x_304, 0);
+lean_inc(x_326);
+x_327 = lean_ctor_get(x_304, 1);
+lean_inc(x_327);
+x_328 = lean_ctor_get(x_304, 3);
+lean_inc(x_328);
+x_329 = lean_ctor_get(x_304, 4);
 lean_inc(x_329);
-lean_dec(x_273);
-x_330 = lean_ctor_get(x_308, 0);
+x_330 = lean_ctor_get(x_304, 5);
 lean_inc(x_330);
-x_331 = lean_ctor_get(x_308, 1);
-lean_inc(x_331);
-x_332 = lean_ctor_get(x_308, 3);
+if (lean_is_exclusive(x_304)) {
+ lean_ctor_release(x_304, 0);
+ lean_ctor_release(x_304, 1);
+ lean_ctor_release(x_304, 2);
+ lean_ctor_release(x_304, 3);
+ lean_ctor_release(x_304, 4);
+ lean_ctor_release(x_304, 5);
+ x_331 = x_304;
+} else {
+ lean_dec_ref(x_304);
+ x_331 = lean_box(0);
+}
+x_332 = lean_ctor_get(x_305, 0);
 lean_inc(x_332);
-x_333 = lean_ctor_get(x_308, 4);
+x_333 = lean_ctor_get(x_305, 1);
 lean_inc(x_333);
-x_334 = lean_ctor_get(x_308, 5);
-lean_inc(x_334);
-if (lean_is_exclusive(x_308)) {
- lean_ctor_release(x_308, 0);
- lean_ctor_release(x_308, 1);
- lean_ctor_release(x_308, 2);
- lean_ctor_release(x_308, 3);
- lean_ctor_release(x_308, 4);
- lean_ctor_release(x_308, 5);
- x_335 = x_308;
+if (lean_is_exclusive(x_305)) {
+ lean_ctor_release(x_305, 0);
+ lean_ctor_release(x_305, 1);
+ lean_ctor_release(x_305, 2);
+ x_334 = x_305;
 } else {
- lean_dec_ref(x_308);
- x_335 = lean_box(0);
+ lean_dec_ref(x_305);
+ x_334 = lean_box(0);
 }
-x_336 = lean_ctor_get(x_309, 0);
-lean_inc(x_336);
-x_337 = lean_ctor_get(x_309, 1);
-lean_inc(x_337);
-if (lean_is_exclusive(x_309)) {
- lean_ctor_release(x_309, 0);
- lean_ctor_release(x_309, 1);
- lean_ctor_release(x_309, 2);
- x_338 = x_309;
+if (lean_is_scalar(x_334)) {
+ x_335 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_309);
- x_338 = lean_box(0);
+ x_335 = x_334;
 }
-if (lean_is_scalar(x_338)) {
- x_339 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_335, 0, x_332);
+lean_ctor_set(x_335, 1, x_333);
+lean_ctor_set(x_335, 2, x_263);
+if (lean_is_scalar(x_331)) {
+ x_336 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_339 = x_338;
+ x_336 = x_331;
 }
-lean_ctor_set(x_339, 0, x_336);
-lean_ctor_set(x_339, 1, x_337);
-lean_ctor_set(x_339, 2, x_267);
-if (lean_is_scalar(x_335)) {
- x_340 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_340 = x_335;
-}
-lean_ctor_set(x_340, 0, x_330);
-lean_ctor_set(x_340, 1, x_331);
-lean_ctor_set(x_340, 2, x_339);
-lean_ctor_set(x_340, 3, x_332);
-lean_ctor_set(x_340, 4, x_333);
-lean_ctor_set(x_340, 5, x_334);
-x_341 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_341, 0, x_329);
-lean_ctor_set(x_341, 1, x_340);
-return x_341;
+lean_ctor_set(x_336, 0, x_326);
+lean_ctor_set(x_336, 1, x_327);
+lean_ctor_set(x_336, 2, x_335);
+lean_ctor_set(x_336, 3, x_328);
+lean_ctor_set(x_336, 4, x_329);
+lean_ctor_set(x_336, 5, x_330);
+x_337 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_337, 0, x_325);
+lean_ctor_set(x_337, 1, x_336);
+return x_337;
 }
 }
 }
 else
 {
-lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; 
-x_342 = lean_ctor_get(x_7, 0);
-x_343 = lean_ctor_get(x_7, 1);
-x_344 = lean_ctor_get(x_7, 2);
-x_345 = lean_ctor_get(x_7, 3);
-x_346 = lean_ctor_get(x_7, 4);
-lean_inc(x_346);
-lean_inc(x_345);
-lean_inc(x_344);
-lean_inc(x_343);
+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; lean_object* x_345; lean_object* x_346; 
+x_338 = lean_ctor_get(x_6, 0);
+x_339 = lean_ctor_get(x_6, 1);
+x_340 = lean_ctor_get(x_6, 2);
+x_341 = lean_ctor_get(x_6, 3);
+x_342 = lean_ctor_get(x_6, 4);
 lean_inc(x_342);
-lean_dec(x_7);
-x_347 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_347, 0, x_261);
-lean_ctor_set(x_347, 1, x_17);
-x_348 = lean_array_push(x_344, x_347);
-x_349 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_349, 0, x_342);
-lean_ctor_set(x_349, 1, x_343);
-lean_ctor_set(x_349, 2, x_348);
-lean_ctor_set(x_349, 3, x_345);
-lean_ctor_set(x_349, 4, x_346);
-x_350 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_263, x_349, x_260);
-if (lean_obj_tag(x_350) == 0)
+lean_inc(x_341);
+lean_inc(x_340);
+lean_inc(x_339);
+lean_inc(x_338);
+lean_dec(x_6);
+x_343 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_343, 0, x_257);
+lean_ctor_set(x_343, 1, x_13);
+x_344 = lean_array_push(x_340, x_343);
+x_345 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_345, 0, x_338);
+lean_ctor_set(x_345, 1, x_339);
+lean_ctor_set(x_345, 2, x_344);
+lean_ctor_set(x_345, 3, x_341);
+lean_ctor_set(x_345, 4, x_342);
+x_346 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_259, x_345, x_256);
+if (lean_obj_tag(x_346) == 0)
 {
-lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; 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; lean_object* x_365; lean_object* x_366; 
-x_351 = lean_ctor_get(x_350, 1);
+lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; 
+x_347 = lean_ctor_get(x_346, 1);
+lean_inc(x_347);
+x_348 = lean_ctor_get(x_347, 2);
+lean_inc(x_348);
+x_349 = lean_ctor_get(x_346, 0);
+lean_inc(x_349);
+if (lean_is_exclusive(x_346)) {
+ lean_ctor_release(x_346, 0);
+ lean_ctor_release(x_346, 1);
+ x_350 = x_346;
+} else {
+ lean_dec_ref(x_346);
+ x_350 = lean_box(0);
+}
+x_351 = lean_ctor_get(x_347, 0);
 lean_inc(x_351);
-x_352 = lean_ctor_get(x_351, 2);
+x_352 = lean_ctor_get(x_347, 1);
 lean_inc(x_352);
-x_353 = lean_ctor_get(x_350, 0);
+x_353 = lean_ctor_get(x_347, 3);
 lean_inc(x_353);
-if (lean_is_exclusive(x_350)) {
- lean_ctor_release(x_350, 0);
- lean_ctor_release(x_350, 1);
- x_354 = x_350;
-} else {
- lean_dec_ref(x_350);
- x_354 = lean_box(0);
-}
-x_355 = lean_ctor_get(x_351, 0);
+x_354 = lean_ctor_get(x_347, 4);
+lean_inc(x_354);
+x_355 = lean_ctor_get(x_347, 5);
 lean_inc(x_355);
-x_356 = lean_ctor_get(x_351, 1);
-lean_inc(x_356);
-x_357 = lean_ctor_get(x_351, 3);
+if (lean_is_exclusive(x_347)) {
+ lean_ctor_release(x_347, 0);
+ lean_ctor_release(x_347, 1);
+ lean_ctor_release(x_347, 2);
+ lean_ctor_release(x_347, 3);
+ lean_ctor_release(x_347, 4);
+ lean_ctor_release(x_347, 5);
+ x_356 = x_347;
+} else {
+ lean_dec_ref(x_347);
+ x_356 = lean_box(0);
+}
+x_357 = lean_ctor_get(x_348, 0);
 lean_inc(x_357);
-x_358 = lean_ctor_get(x_351, 4);
+x_358 = lean_ctor_get(x_348, 1);
 lean_inc(x_358);
-x_359 = lean_ctor_get(x_351, 5);
-lean_inc(x_359);
-if (lean_is_exclusive(x_351)) {
- lean_ctor_release(x_351, 0);
- lean_ctor_release(x_351, 1);
- lean_ctor_release(x_351, 2);
- lean_ctor_release(x_351, 3);
- lean_ctor_release(x_351, 4);
- lean_ctor_release(x_351, 5);
- x_360 = x_351;
+if (lean_is_exclusive(x_348)) {
+ lean_ctor_release(x_348, 0);
+ lean_ctor_release(x_348, 1);
+ lean_ctor_release(x_348, 2);
+ x_359 = x_348;
 } else {
- lean_dec_ref(x_351);
- x_360 = lean_box(0);
+ lean_dec_ref(x_348);
+ x_359 = lean_box(0);
 }
-x_361 = lean_ctor_get(x_352, 0);
-lean_inc(x_361);
-x_362 = lean_ctor_get(x_352, 1);
-lean_inc(x_362);
-if (lean_is_exclusive(x_352)) {
- lean_ctor_release(x_352, 0);
- lean_ctor_release(x_352, 1);
- lean_ctor_release(x_352, 2);
- x_363 = x_352;
+if (lean_is_scalar(x_359)) {
+ x_360 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_352);
- x_363 = lean_box(0);
+ x_360 = x_359;
 }
-if (lean_is_scalar(x_363)) {
- x_364 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_360, 0, x_357);
+lean_ctor_set(x_360, 1, x_358);
+lean_ctor_set(x_360, 2, x_263);
+if (lean_is_scalar(x_356)) {
+ x_361 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_364 = x_363;
+ x_361 = x_356;
 }
-lean_ctor_set(x_364, 0, x_361);
-lean_ctor_set(x_364, 1, x_362);
-lean_ctor_set(x_364, 2, x_267);
-if (lean_is_scalar(x_360)) {
- x_365 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_361, 0, x_351);
+lean_ctor_set(x_361, 1, x_352);
+lean_ctor_set(x_361, 2, x_360);
+lean_ctor_set(x_361, 3, x_353);
+lean_ctor_set(x_361, 4, x_354);
+lean_ctor_set(x_361, 5, x_355);
+if (lean_is_scalar(x_350)) {
+ x_362 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_365 = x_360;
+ x_362 = x_350;
 }
-lean_ctor_set(x_365, 0, x_355);
-lean_ctor_set(x_365, 1, x_356);
-lean_ctor_set(x_365, 2, x_364);
-lean_ctor_set(x_365, 3, x_357);
-lean_ctor_set(x_365, 4, x_358);
-lean_ctor_set(x_365, 5, x_359);
-if (lean_is_scalar(x_354)) {
- x_366 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_366 = x_354;
-}
-lean_ctor_set(x_366, 0, x_353);
-lean_ctor_set(x_366, 1, x_365);
-return x_366;
+lean_ctor_set(x_362, 0, x_349);
+lean_ctor_set(x_362, 1, x_361);
+return x_362;
 }
 else
 {
-lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; 
-x_367 = lean_ctor_get(x_350, 1);
+lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; 
+x_363 = lean_ctor_get(x_346, 1);
+lean_inc(x_363);
+x_364 = lean_ctor_get(x_363, 2);
+lean_inc(x_364);
+x_365 = lean_ctor_get(x_346, 0);
+lean_inc(x_365);
+if (lean_is_exclusive(x_346)) {
+ lean_ctor_release(x_346, 0);
+ lean_ctor_release(x_346, 1);
+ x_366 = x_346;
+} else {
+ lean_dec_ref(x_346);
+ x_366 = lean_box(0);
+}
+x_367 = lean_ctor_get(x_363, 0);
 lean_inc(x_367);
-x_368 = lean_ctor_get(x_367, 2);
+x_368 = lean_ctor_get(x_363, 1);
 lean_inc(x_368);
-x_369 = lean_ctor_get(x_350, 0);
+x_369 = lean_ctor_get(x_363, 3);
 lean_inc(x_369);
-if (lean_is_exclusive(x_350)) {
- lean_ctor_release(x_350, 0);
- lean_ctor_release(x_350, 1);
- x_370 = x_350;
-} else {
- lean_dec_ref(x_350);
- x_370 = lean_box(0);
-}
-x_371 = lean_ctor_get(x_367, 0);
+x_370 = lean_ctor_get(x_363, 4);
+lean_inc(x_370);
+x_371 = lean_ctor_get(x_363, 5);
 lean_inc(x_371);
-x_372 = lean_ctor_get(x_367, 1);
-lean_inc(x_372);
-x_373 = lean_ctor_get(x_367, 3);
+if (lean_is_exclusive(x_363)) {
+ lean_ctor_release(x_363, 0);
+ lean_ctor_release(x_363, 1);
+ lean_ctor_release(x_363, 2);
+ lean_ctor_release(x_363, 3);
+ lean_ctor_release(x_363, 4);
+ lean_ctor_release(x_363, 5);
+ x_372 = x_363;
+} else {
+ lean_dec_ref(x_363);
+ x_372 = lean_box(0);
+}
+x_373 = lean_ctor_get(x_364, 0);
 lean_inc(x_373);
-x_374 = lean_ctor_get(x_367, 4);
+x_374 = lean_ctor_get(x_364, 1);
 lean_inc(x_374);
-x_375 = lean_ctor_get(x_367, 5);
-lean_inc(x_375);
-if (lean_is_exclusive(x_367)) {
- lean_ctor_release(x_367, 0);
- lean_ctor_release(x_367, 1);
- lean_ctor_release(x_367, 2);
- lean_ctor_release(x_367, 3);
- lean_ctor_release(x_367, 4);
- lean_ctor_release(x_367, 5);
- x_376 = x_367;
+if (lean_is_exclusive(x_364)) {
+ lean_ctor_release(x_364, 0);
+ lean_ctor_release(x_364, 1);
+ lean_ctor_release(x_364, 2);
+ x_375 = x_364;
 } else {
- lean_dec_ref(x_367);
- x_376 = lean_box(0);
+ lean_dec_ref(x_364);
+ x_375 = lean_box(0);
 }
-x_377 = lean_ctor_get(x_368, 0);
-lean_inc(x_377);
-x_378 = lean_ctor_get(x_368, 1);
-lean_inc(x_378);
-if (lean_is_exclusive(x_368)) {
- lean_ctor_release(x_368, 0);
- lean_ctor_release(x_368, 1);
- lean_ctor_release(x_368, 2);
- x_379 = x_368;
+if (lean_is_scalar(x_375)) {
+ x_376 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_368);
- x_379 = lean_box(0);
+ x_376 = x_375;
 }
-if (lean_is_scalar(x_379)) {
- x_380 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_376, 0, x_373);
+lean_ctor_set(x_376, 1, x_374);
+lean_ctor_set(x_376, 2, x_263);
+if (lean_is_scalar(x_372)) {
+ x_377 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_380 = x_379;
+ x_377 = x_372;
 }
-lean_ctor_set(x_380, 0, x_377);
-lean_ctor_set(x_380, 1, x_378);
-lean_ctor_set(x_380, 2, x_267);
-if (lean_is_scalar(x_376)) {
- x_381 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_377, 0, x_367);
+lean_ctor_set(x_377, 1, x_368);
+lean_ctor_set(x_377, 2, x_376);
+lean_ctor_set(x_377, 3, x_369);
+lean_ctor_set(x_377, 4, x_370);
+lean_ctor_set(x_377, 5, x_371);
+if (lean_is_scalar(x_366)) {
+ x_378 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_381 = x_376;
+ x_378 = x_366;
 }
-lean_ctor_set(x_381, 0, x_371);
-lean_ctor_set(x_381, 1, x_372);
-lean_ctor_set(x_381, 2, x_380);
-lean_ctor_set(x_381, 3, x_373);
-lean_ctor_set(x_381, 4, x_374);
-lean_ctor_set(x_381, 5, x_375);
-if (lean_is_scalar(x_370)) {
- x_382 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_382 = x_370;
-}
-lean_ctor_set(x_382, 0, x_369);
-lean_ctor_set(x_382, 1, x_381);
-return x_382;
+lean_ctor_set(x_378, 0, x_365);
+lean_ctor_set(x_378, 1, x_377);
+return x_378;
 }
 }
 }
 else
 {
-lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; 
-x_383 = lean_ctor_get(x_265, 0);
-x_384 = lean_ctor_get(x_265, 1);
-x_385 = lean_ctor_get(x_265, 2);
-lean_inc(x_385);
+lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; 
+x_379 = lean_ctor_get(x_261, 0);
+x_380 = lean_ctor_get(x_261, 1);
+x_381 = lean_ctor_get(x_261, 2);
+lean_inc(x_381);
+lean_inc(x_380);
+lean_inc(x_379);
+lean_dec(x_261);
+x_382 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+x_383 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_383, 0, x_379);
+lean_ctor_set(x_383, 1, x_380);
+lean_ctor_set(x_383, 2, x_382);
+lean_ctor_set(x_256, 2, x_383);
+x_384 = lean_ctor_get(x_6, 0);
 lean_inc(x_384);
-lean_inc(x_383);
-lean_dec(x_265);
-x_386 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-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);
-lean_ctor_set(x_260, 2, x_387);
-x_388 = lean_ctor_get(x_7, 0);
+x_385 = lean_ctor_get(x_6, 1);
+lean_inc(x_385);
+x_386 = lean_ctor_get(x_6, 2);
+lean_inc(x_386);
+x_387 = lean_ctor_get(x_6, 3);
+lean_inc(x_387);
+x_388 = lean_ctor_get(x_6, 4);
 lean_inc(x_388);
-x_389 = lean_ctor_get(x_7, 1);
-lean_inc(x_389);
-x_390 = lean_ctor_get(x_7, 2);
-lean_inc(x_390);
-x_391 = lean_ctor_get(x_7, 3);
-lean_inc(x_391);
-x_392 = lean_ctor_get(x_7, 4);
-lean_inc(x_392);
-if (lean_is_exclusive(x_7)) {
- lean_ctor_release(x_7, 0);
- lean_ctor_release(x_7, 1);
- lean_ctor_release(x_7, 2);
- lean_ctor_release(x_7, 3);
- lean_ctor_release(x_7, 4);
- x_393 = x_7;
+if (lean_is_exclusive(x_6)) {
+ lean_ctor_release(x_6, 0);
+ lean_ctor_release(x_6, 1);
+ lean_ctor_release(x_6, 2);
+ lean_ctor_release(x_6, 3);
+ lean_ctor_release(x_6, 4);
+ x_389 = x_6;
 } else {
- lean_dec_ref(x_7);
- x_393 = lean_box(0);
+ lean_dec_ref(x_6);
+ x_389 = lean_box(0);
 }
-x_394 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_394, 0, x_261);
-lean_ctor_set(x_394, 1, x_17);
-x_395 = lean_array_push(x_390, x_394);
-if (lean_is_scalar(x_393)) {
- x_396 = lean_alloc_ctor(0, 5, 0);
+x_390 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_390, 0, x_257);
+lean_ctor_set(x_390, 1, x_13);
+x_391 = lean_array_push(x_386, x_390);
+if (lean_is_scalar(x_389)) {
+ x_392 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_396 = x_393;
+ x_392 = x_389;
 }
-lean_ctor_set(x_396, 0, x_388);
-lean_ctor_set(x_396, 1, x_389);
-lean_ctor_set(x_396, 2, x_395);
-lean_ctor_set(x_396, 3, x_391);
-lean_ctor_set(x_396, 4, x_392);
-x_397 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_263, x_396, x_260);
-if (lean_obj_tag(x_397) == 0)
+lean_ctor_set(x_392, 0, x_384);
+lean_ctor_set(x_392, 1, x_385);
+lean_ctor_set(x_392, 2, x_391);
+lean_ctor_set(x_392, 3, x_387);
+lean_ctor_set(x_392, 4, x_388);
+x_393 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_259, x_392, x_256);
+if (lean_obj_tag(x_393) == 0)
 {
-lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; lean_object* x_402; lean_object* x_403; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; lean_object* x_413; 
-x_398 = lean_ctor_get(x_397, 1);
+lean_object* x_394; lean_object* x_395; 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; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; 
+x_394 = lean_ctor_get(x_393, 1);
+lean_inc(x_394);
+x_395 = lean_ctor_get(x_394, 2);
+lean_inc(x_395);
+x_396 = lean_ctor_get(x_393, 0);
+lean_inc(x_396);
+if (lean_is_exclusive(x_393)) {
+ lean_ctor_release(x_393, 0);
+ lean_ctor_release(x_393, 1);
+ x_397 = x_393;
+} else {
+ lean_dec_ref(x_393);
+ x_397 = lean_box(0);
+}
+x_398 = lean_ctor_get(x_394, 0);
 lean_inc(x_398);
-x_399 = lean_ctor_get(x_398, 2);
+x_399 = lean_ctor_get(x_394, 1);
 lean_inc(x_399);
-x_400 = lean_ctor_get(x_397, 0);
+x_400 = lean_ctor_get(x_394, 3);
 lean_inc(x_400);
-if (lean_is_exclusive(x_397)) {
- lean_ctor_release(x_397, 0);
- lean_ctor_release(x_397, 1);
- x_401 = x_397;
-} else {
- lean_dec_ref(x_397);
- x_401 = lean_box(0);
-}
-x_402 = lean_ctor_get(x_398, 0);
+x_401 = lean_ctor_get(x_394, 4);
+lean_inc(x_401);
+x_402 = lean_ctor_get(x_394, 5);
 lean_inc(x_402);
-x_403 = lean_ctor_get(x_398, 1);
-lean_inc(x_403);
-x_404 = lean_ctor_get(x_398, 3);
+if (lean_is_exclusive(x_394)) {
+ lean_ctor_release(x_394, 0);
+ lean_ctor_release(x_394, 1);
+ lean_ctor_release(x_394, 2);
+ lean_ctor_release(x_394, 3);
+ lean_ctor_release(x_394, 4);
+ lean_ctor_release(x_394, 5);
+ x_403 = x_394;
+} else {
+ lean_dec_ref(x_394);
+ x_403 = lean_box(0);
+}
+x_404 = lean_ctor_get(x_395, 0);
 lean_inc(x_404);
-x_405 = lean_ctor_get(x_398, 4);
+x_405 = lean_ctor_get(x_395, 1);
 lean_inc(x_405);
-x_406 = lean_ctor_get(x_398, 5);
-lean_inc(x_406);
-if (lean_is_exclusive(x_398)) {
- lean_ctor_release(x_398, 0);
- lean_ctor_release(x_398, 1);
- lean_ctor_release(x_398, 2);
- lean_ctor_release(x_398, 3);
- lean_ctor_release(x_398, 4);
- lean_ctor_release(x_398, 5);
- x_407 = x_398;
+if (lean_is_exclusive(x_395)) {
+ lean_ctor_release(x_395, 0);
+ lean_ctor_release(x_395, 1);
+ lean_ctor_release(x_395, 2);
+ x_406 = x_395;
 } else {
- lean_dec_ref(x_398);
- x_407 = lean_box(0);
+ lean_dec_ref(x_395);
+ x_406 = lean_box(0);
 }
-x_408 = lean_ctor_get(x_399, 0);
-lean_inc(x_408);
-x_409 = lean_ctor_get(x_399, 1);
-lean_inc(x_409);
-if (lean_is_exclusive(x_399)) {
- lean_ctor_release(x_399, 0);
- lean_ctor_release(x_399, 1);
- lean_ctor_release(x_399, 2);
- x_410 = x_399;
+if (lean_is_scalar(x_406)) {
+ x_407 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_399);
- x_410 = lean_box(0);
+ x_407 = x_406;
 }
-if (lean_is_scalar(x_410)) {
- x_411 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_407, 0, x_404);
+lean_ctor_set(x_407, 1, x_405);
+lean_ctor_set(x_407, 2, x_381);
+if (lean_is_scalar(x_403)) {
+ x_408 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_411 = x_410;
+ x_408 = x_403;
 }
-lean_ctor_set(x_411, 0, x_408);
-lean_ctor_set(x_411, 1, x_409);
-lean_ctor_set(x_411, 2, x_385);
-if (lean_is_scalar(x_407)) {
- x_412 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_408, 0, x_398);
+lean_ctor_set(x_408, 1, x_399);
+lean_ctor_set(x_408, 2, x_407);
+lean_ctor_set(x_408, 3, x_400);
+lean_ctor_set(x_408, 4, x_401);
+lean_ctor_set(x_408, 5, x_402);
+if (lean_is_scalar(x_397)) {
+ x_409 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_412 = x_407;
+ x_409 = x_397;
 }
-lean_ctor_set(x_412, 0, x_402);
-lean_ctor_set(x_412, 1, x_403);
-lean_ctor_set(x_412, 2, x_411);
-lean_ctor_set(x_412, 3, x_404);
-lean_ctor_set(x_412, 4, x_405);
-lean_ctor_set(x_412, 5, x_406);
-if (lean_is_scalar(x_401)) {
- x_413 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_413 = x_401;
-}
-lean_ctor_set(x_413, 0, x_400);
-lean_ctor_set(x_413, 1, x_412);
-return x_413;
+lean_ctor_set(x_409, 0, x_396);
+lean_ctor_set(x_409, 1, x_408);
+return x_409;
 }
 else
 {
-lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; lean_object* x_418; lean_object* x_419; lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; 
-x_414 = lean_ctor_get(x_397, 1);
+lean_object* x_410; lean_object* x_411; lean_object* x_412; lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; lean_object* x_418; lean_object* x_419; lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; 
+x_410 = lean_ctor_get(x_393, 1);
+lean_inc(x_410);
+x_411 = lean_ctor_get(x_410, 2);
+lean_inc(x_411);
+x_412 = lean_ctor_get(x_393, 0);
+lean_inc(x_412);
+if (lean_is_exclusive(x_393)) {
+ lean_ctor_release(x_393, 0);
+ lean_ctor_release(x_393, 1);
+ x_413 = x_393;
+} else {
+ lean_dec_ref(x_393);
+ x_413 = lean_box(0);
+}
+x_414 = lean_ctor_get(x_410, 0);
 lean_inc(x_414);
-x_415 = lean_ctor_get(x_414, 2);
+x_415 = lean_ctor_get(x_410, 1);
 lean_inc(x_415);
-x_416 = lean_ctor_get(x_397, 0);
+x_416 = lean_ctor_get(x_410, 3);
 lean_inc(x_416);
-if (lean_is_exclusive(x_397)) {
- lean_ctor_release(x_397, 0);
- lean_ctor_release(x_397, 1);
- x_417 = x_397;
-} else {
- lean_dec_ref(x_397);
- x_417 = lean_box(0);
-}
-x_418 = lean_ctor_get(x_414, 0);
+x_417 = lean_ctor_get(x_410, 4);
+lean_inc(x_417);
+x_418 = lean_ctor_get(x_410, 5);
 lean_inc(x_418);
-x_419 = lean_ctor_get(x_414, 1);
-lean_inc(x_419);
-x_420 = lean_ctor_get(x_414, 3);
+if (lean_is_exclusive(x_410)) {
+ lean_ctor_release(x_410, 0);
+ lean_ctor_release(x_410, 1);
+ lean_ctor_release(x_410, 2);
+ lean_ctor_release(x_410, 3);
+ lean_ctor_release(x_410, 4);
+ lean_ctor_release(x_410, 5);
+ x_419 = x_410;
+} else {
+ lean_dec_ref(x_410);
+ x_419 = lean_box(0);
+}
+x_420 = lean_ctor_get(x_411, 0);
 lean_inc(x_420);
-x_421 = lean_ctor_get(x_414, 4);
+x_421 = lean_ctor_get(x_411, 1);
 lean_inc(x_421);
-x_422 = lean_ctor_get(x_414, 5);
-lean_inc(x_422);
-if (lean_is_exclusive(x_414)) {
- lean_ctor_release(x_414, 0);
- lean_ctor_release(x_414, 1);
- lean_ctor_release(x_414, 2);
- lean_ctor_release(x_414, 3);
- lean_ctor_release(x_414, 4);
- lean_ctor_release(x_414, 5);
- x_423 = x_414;
+if (lean_is_exclusive(x_411)) {
+ lean_ctor_release(x_411, 0);
+ lean_ctor_release(x_411, 1);
+ lean_ctor_release(x_411, 2);
+ x_422 = x_411;
 } else {
- lean_dec_ref(x_414);
- x_423 = lean_box(0);
+ lean_dec_ref(x_411);
+ x_422 = lean_box(0);
 }
-x_424 = lean_ctor_get(x_415, 0);
-lean_inc(x_424);
-x_425 = lean_ctor_get(x_415, 1);
-lean_inc(x_425);
-if (lean_is_exclusive(x_415)) {
- lean_ctor_release(x_415, 0);
- lean_ctor_release(x_415, 1);
- lean_ctor_release(x_415, 2);
- x_426 = x_415;
+if (lean_is_scalar(x_422)) {
+ x_423 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_415);
- x_426 = lean_box(0);
+ x_423 = x_422;
 }
-if (lean_is_scalar(x_426)) {
- x_427 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_423, 0, x_420);
+lean_ctor_set(x_423, 1, x_421);
+lean_ctor_set(x_423, 2, x_381);
+if (lean_is_scalar(x_419)) {
+ x_424 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_427 = x_426;
+ x_424 = x_419;
 }
-lean_ctor_set(x_427, 0, x_424);
-lean_ctor_set(x_427, 1, x_425);
-lean_ctor_set(x_427, 2, x_385);
-if (lean_is_scalar(x_423)) {
- x_428 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_424, 0, x_414);
+lean_ctor_set(x_424, 1, x_415);
+lean_ctor_set(x_424, 2, x_423);
+lean_ctor_set(x_424, 3, x_416);
+lean_ctor_set(x_424, 4, x_417);
+lean_ctor_set(x_424, 5, x_418);
+if (lean_is_scalar(x_413)) {
+ x_425 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_428 = x_423;
+ x_425 = x_413;
 }
-lean_ctor_set(x_428, 0, x_418);
-lean_ctor_set(x_428, 1, x_419);
-lean_ctor_set(x_428, 2, x_427);
-lean_ctor_set(x_428, 3, x_420);
-lean_ctor_set(x_428, 4, x_421);
-lean_ctor_set(x_428, 5, x_422);
-if (lean_is_scalar(x_417)) {
- x_429 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_429 = x_417;
-}
-lean_ctor_set(x_429, 0, x_416);
-lean_ctor_set(x_429, 1, x_428);
-return x_429;
+lean_ctor_set(x_425, 0, x_412);
+lean_ctor_set(x_425, 1, x_424);
+return x_425;
 }
 }
 }
 else
 {
-lean_object* x_430; 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; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; lean_object* x_445; lean_object* x_446; lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; 
-x_430 = lean_ctor_get(x_260, 2);
-x_431 = lean_ctor_get(x_260, 0);
-x_432 = lean_ctor_get(x_260, 1);
-x_433 = lean_ctor_get(x_260, 3);
-x_434 = lean_ctor_get(x_260, 4);
-x_435 = lean_ctor_get(x_260, 5);
-lean_inc(x_435);
-lean_inc(x_434);
-lean_inc(x_433);
-lean_inc(x_430);
-lean_inc(x_432);
+lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; lean_object* x_430; 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; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; lean_object* x_445; lean_object* x_446; lean_object* x_447; lean_object* x_448; 
+x_426 = lean_ctor_get(x_256, 2);
+x_427 = lean_ctor_get(x_256, 0);
+x_428 = lean_ctor_get(x_256, 1);
+x_429 = lean_ctor_get(x_256, 3);
+x_430 = lean_ctor_get(x_256, 4);
+x_431 = lean_ctor_get(x_256, 5);
 lean_inc(x_431);
-lean_dec(x_260);
-x_436 = lean_ctor_get(x_430, 0);
-lean_inc(x_436);
-x_437 = lean_ctor_get(x_430, 1);
-lean_inc(x_437);
-x_438 = lean_ctor_get(x_430, 2);
-lean_inc(x_438);
-if (lean_is_exclusive(x_430)) {
- lean_ctor_release(x_430, 0);
- lean_ctor_release(x_430, 1);
- lean_ctor_release(x_430, 2);
- x_439 = x_430;
+lean_inc(x_430);
+lean_inc(x_429);
+lean_inc(x_426);
+lean_inc(x_428);
+lean_inc(x_427);
+lean_dec(x_256);
+x_432 = lean_ctor_get(x_426, 0);
+lean_inc(x_432);
+x_433 = lean_ctor_get(x_426, 1);
+lean_inc(x_433);
+x_434 = lean_ctor_get(x_426, 2);
+lean_inc(x_434);
+if (lean_is_exclusive(x_426)) {
+ lean_ctor_release(x_426, 0);
+ lean_ctor_release(x_426, 1);
+ lean_ctor_release(x_426, 2);
+ x_435 = x_426;
 } else {
- lean_dec_ref(x_430);
- x_439 = lean_box(0);
+ lean_dec_ref(x_426);
+ x_435 = lean_box(0);
 }
-x_440 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-if (lean_is_scalar(x_439)) {
- x_441 = lean_alloc_ctor(0, 3, 0);
+x_436 = l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+if (lean_is_scalar(x_435)) {
+ x_437 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_441 = x_439;
+ x_437 = x_435;
 }
-lean_ctor_set(x_441, 0, x_436);
-lean_ctor_set(x_441, 1, x_437);
-lean_ctor_set(x_441, 2, x_440);
-x_442 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_442, 0, x_431);
-lean_ctor_set(x_442, 1, x_432);
-lean_ctor_set(x_442, 2, x_441);
-lean_ctor_set(x_442, 3, x_433);
-lean_ctor_set(x_442, 4, x_434);
-lean_ctor_set(x_442, 5, x_435);
-x_443 = lean_ctor_get(x_7, 0);
+lean_ctor_set(x_437, 0, x_432);
+lean_ctor_set(x_437, 1, x_433);
+lean_ctor_set(x_437, 2, x_436);
+x_438 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_438, 0, x_427);
+lean_ctor_set(x_438, 1, x_428);
+lean_ctor_set(x_438, 2, x_437);
+lean_ctor_set(x_438, 3, x_429);
+lean_ctor_set(x_438, 4, x_430);
+lean_ctor_set(x_438, 5, x_431);
+x_439 = lean_ctor_get(x_6, 0);
+lean_inc(x_439);
+x_440 = lean_ctor_get(x_6, 1);
+lean_inc(x_440);
+x_441 = lean_ctor_get(x_6, 2);
+lean_inc(x_441);
+x_442 = lean_ctor_get(x_6, 3);
+lean_inc(x_442);
+x_443 = lean_ctor_get(x_6, 4);
 lean_inc(x_443);
-x_444 = lean_ctor_get(x_7, 1);
-lean_inc(x_444);
-x_445 = lean_ctor_get(x_7, 2);
-lean_inc(x_445);
-x_446 = lean_ctor_get(x_7, 3);
-lean_inc(x_446);
-x_447 = lean_ctor_get(x_7, 4);
-lean_inc(x_447);
-if (lean_is_exclusive(x_7)) {
- lean_ctor_release(x_7, 0);
- lean_ctor_release(x_7, 1);
- lean_ctor_release(x_7, 2);
- lean_ctor_release(x_7, 3);
- lean_ctor_release(x_7, 4);
- x_448 = x_7;
+if (lean_is_exclusive(x_6)) {
+ lean_ctor_release(x_6, 0);
+ lean_ctor_release(x_6, 1);
+ lean_ctor_release(x_6, 2);
+ lean_ctor_release(x_6, 3);
+ lean_ctor_release(x_6, 4);
+ x_444 = x_6;
 } else {
- lean_dec_ref(x_7);
- x_448 = lean_box(0);
+ lean_dec_ref(x_6);
+ x_444 = lean_box(0);
 }
-x_449 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_449, 0, x_261);
-lean_ctor_set(x_449, 1, x_17);
-x_450 = lean_array_push(x_445, x_449);
-if (lean_is_scalar(x_448)) {
- x_451 = lean_alloc_ctor(0, 5, 0);
+x_445 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_445, 0, x_257);
+lean_ctor_set(x_445, 1, x_13);
+x_446 = lean_array_push(x_441, x_445);
+if (lean_is_scalar(x_444)) {
+ x_447 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_451 = x_448;
+ x_447 = x_444;
 }
-lean_ctor_set(x_451, 0, x_443);
-lean_ctor_set(x_451, 1, x_444);
-lean_ctor_set(x_451, 2, x_450);
-lean_ctor_set(x_451, 3, x_446);
-lean_ctor_set(x_451, 4, x_447);
-x_452 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_263, x_451, x_442);
-if (lean_obj_tag(x_452) == 0)
+lean_ctor_set(x_447, 0, x_439);
+lean_ctor_set(x_447, 1, x_440);
+lean_ctor_set(x_447, 2, x_446);
+lean_ctor_set(x_447, 3, x_442);
+lean_ctor_set(x_447, 4, x_443);
+x_448 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_259, x_447, x_438);
+if (lean_obj_tag(x_448) == 0)
 {
-lean_object* x_453; lean_object* x_454; lean_object* x_455; lean_object* x_456; lean_object* x_457; lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; lean_object* x_463; lean_object* x_464; lean_object* x_465; lean_object* x_466; lean_object* x_467; lean_object* x_468; 
-x_453 = lean_ctor_get(x_452, 1);
+lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; lean_object* x_454; lean_object* x_455; lean_object* x_456; lean_object* x_457; lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; lean_object* x_463; lean_object* x_464; 
+x_449 = lean_ctor_get(x_448, 1);
+lean_inc(x_449);
+x_450 = lean_ctor_get(x_449, 2);
+lean_inc(x_450);
+x_451 = lean_ctor_get(x_448, 0);
+lean_inc(x_451);
+if (lean_is_exclusive(x_448)) {
+ lean_ctor_release(x_448, 0);
+ lean_ctor_release(x_448, 1);
+ x_452 = x_448;
+} else {
+ lean_dec_ref(x_448);
+ x_452 = lean_box(0);
+}
+x_453 = lean_ctor_get(x_449, 0);
 lean_inc(x_453);
-x_454 = lean_ctor_get(x_453, 2);
+x_454 = lean_ctor_get(x_449, 1);
 lean_inc(x_454);
-x_455 = lean_ctor_get(x_452, 0);
+x_455 = lean_ctor_get(x_449, 3);
 lean_inc(x_455);
-if (lean_is_exclusive(x_452)) {
- lean_ctor_release(x_452, 0);
- lean_ctor_release(x_452, 1);
- x_456 = x_452;
-} else {
- lean_dec_ref(x_452);
- x_456 = lean_box(0);
-}
-x_457 = lean_ctor_get(x_453, 0);
+x_456 = lean_ctor_get(x_449, 4);
+lean_inc(x_456);
+x_457 = lean_ctor_get(x_449, 5);
 lean_inc(x_457);
-x_458 = lean_ctor_get(x_453, 1);
-lean_inc(x_458);
-x_459 = lean_ctor_get(x_453, 3);
+if (lean_is_exclusive(x_449)) {
+ lean_ctor_release(x_449, 0);
+ lean_ctor_release(x_449, 1);
+ lean_ctor_release(x_449, 2);
+ lean_ctor_release(x_449, 3);
+ lean_ctor_release(x_449, 4);
+ lean_ctor_release(x_449, 5);
+ x_458 = x_449;
+} else {
+ lean_dec_ref(x_449);
+ x_458 = lean_box(0);
+}
+x_459 = lean_ctor_get(x_450, 0);
 lean_inc(x_459);
-x_460 = lean_ctor_get(x_453, 4);
+x_460 = lean_ctor_get(x_450, 1);
 lean_inc(x_460);
-x_461 = lean_ctor_get(x_453, 5);
-lean_inc(x_461);
-if (lean_is_exclusive(x_453)) {
- lean_ctor_release(x_453, 0);
- lean_ctor_release(x_453, 1);
- lean_ctor_release(x_453, 2);
- lean_ctor_release(x_453, 3);
- lean_ctor_release(x_453, 4);
- lean_ctor_release(x_453, 5);
- x_462 = x_453;
+if (lean_is_exclusive(x_450)) {
+ lean_ctor_release(x_450, 0);
+ lean_ctor_release(x_450, 1);
+ lean_ctor_release(x_450, 2);
+ x_461 = x_450;
 } else {
- lean_dec_ref(x_453);
- x_462 = lean_box(0);
+ lean_dec_ref(x_450);
+ x_461 = lean_box(0);
 }
-x_463 = lean_ctor_get(x_454, 0);
-lean_inc(x_463);
-x_464 = lean_ctor_get(x_454, 1);
-lean_inc(x_464);
-if (lean_is_exclusive(x_454)) {
- lean_ctor_release(x_454, 0);
- lean_ctor_release(x_454, 1);
- lean_ctor_release(x_454, 2);
- x_465 = x_454;
+if (lean_is_scalar(x_461)) {
+ x_462 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_454);
- x_465 = lean_box(0);
+ x_462 = x_461;
 }
-if (lean_is_scalar(x_465)) {
- x_466 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_462, 0, x_459);
+lean_ctor_set(x_462, 1, x_460);
+lean_ctor_set(x_462, 2, x_434);
+if (lean_is_scalar(x_458)) {
+ x_463 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_466 = x_465;
+ x_463 = x_458;
 }
-lean_ctor_set(x_466, 0, x_463);
-lean_ctor_set(x_466, 1, x_464);
-lean_ctor_set(x_466, 2, x_438);
-if (lean_is_scalar(x_462)) {
- x_467 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_463, 0, x_453);
+lean_ctor_set(x_463, 1, x_454);
+lean_ctor_set(x_463, 2, x_462);
+lean_ctor_set(x_463, 3, x_455);
+lean_ctor_set(x_463, 4, x_456);
+lean_ctor_set(x_463, 5, x_457);
+if (lean_is_scalar(x_452)) {
+ x_464 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_467 = x_462;
+ x_464 = x_452;
 }
-lean_ctor_set(x_467, 0, x_457);
-lean_ctor_set(x_467, 1, x_458);
-lean_ctor_set(x_467, 2, x_466);
-lean_ctor_set(x_467, 3, x_459);
-lean_ctor_set(x_467, 4, x_460);
-lean_ctor_set(x_467, 5, x_461);
-if (lean_is_scalar(x_456)) {
- x_468 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_468 = x_456;
-}
-lean_ctor_set(x_468, 0, x_455);
-lean_ctor_set(x_468, 1, x_467);
-return x_468;
+lean_ctor_set(x_464, 0, x_451);
+lean_ctor_set(x_464, 1, x_463);
+return x_464;
 }
 else
 {
-lean_object* x_469; lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; lean_object* x_474; lean_object* x_475; lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; lean_object* x_481; lean_object* x_482; lean_object* x_483; lean_object* x_484; 
-x_469 = lean_ctor_get(x_452, 1);
+lean_object* x_465; lean_object* x_466; lean_object* x_467; lean_object* x_468; lean_object* x_469; lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; lean_object* x_474; lean_object* x_475; lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; 
+x_465 = lean_ctor_get(x_448, 1);
+lean_inc(x_465);
+x_466 = lean_ctor_get(x_465, 2);
+lean_inc(x_466);
+x_467 = lean_ctor_get(x_448, 0);
+lean_inc(x_467);
+if (lean_is_exclusive(x_448)) {
+ lean_ctor_release(x_448, 0);
+ lean_ctor_release(x_448, 1);
+ x_468 = x_448;
+} else {
+ lean_dec_ref(x_448);
+ x_468 = lean_box(0);
+}
+x_469 = lean_ctor_get(x_465, 0);
 lean_inc(x_469);
-x_470 = lean_ctor_get(x_469, 2);
+x_470 = lean_ctor_get(x_465, 1);
 lean_inc(x_470);
-x_471 = lean_ctor_get(x_452, 0);
+x_471 = lean_ctor_get(x_465, 3);
 lean_inc(x_471);
-if (lean_is_exclusive(x_452)) {
- lean_ctor_release(x_452, 0);
- lean_ctor_release(x_452, 1);
- x_472 = x_452;
-} else {
- lean_dec_ref(x_452);
- x_472 = lean_box(0);
-}
-x_473 = lean_ctor_get(x_469, 0);
+x_472 = lean_ctor_get(x_465, 4);
+lean_inc(x_472);
+x_473 = lean_ctor_get(x_465, 5);
 lean_inc(x_473);
-x_474 = lean_ctor_get(x_469, 1);
-lean_inc(x_474);
-x_475 = lean_ctor_get(x_469, 3);
+if (lean_is_exclusive(x_465)) {
+ lean_ctor_release(x_465, 0);
+ lean_ctor_release(x_465, 1);
+ lean_ctor_release(x_465, 2);
+ lean_ctor_release(x_465, 3);
+ lean_ctor_release(x_465, 4);
+ lean_ctor_release(x_465, 5);
+ x_474 = x_465;
+} else {
+ lean_dec_ref(x_465);
+ x_474 = lean_box(0);
+}
+x_475 = lean_ctor_get(x_466, 0);
 lean_inc(x_475);
-x_476 = lean_ctor_get(x_469, 4);
+x_476 = lean_ctor_get(x_466, 1);
 lean_inc(x_476);
-x_477 = lean_ctor_get(x_469, 5);
-lean_inc(x_477);
-if (lean_is_exclusive(x_469)) {
- lean_ctor_release(x_469, 0);
- lean_ctor_release(x_469, 1);
- lean_ctor_release(x_469, 2);
- lean_ctor_release(x_469, 3);
- lean_ctor_release(x_469, 4);
- lean_ctor_release(x_469, 5);
- x_478 = x_469;
+if (lean_is_exclusive(x_466)) {
+ lean_ctor_release(x_466, 0);
+ lean_ctor_release(x_466, 1);
+ lean_ctor_release(x_466, 2);
+ x_477 = x_466;
 } else {
- lean_dec_ref(x_469);
- x_478 = lean_box(0);
+ lean_dec_ref(x_466);
+ x_477 = lean_box(0);
 }
-x_479 = lean_ctor_get(x_470, 0);
-lean_inc(x_479);
-x_480 = lean_ctor_get(x_470, 1);
-lean_inc(x_480);
-if (lean_is_exclusive(x_470)) {
- lean_ctor_release(x_470, 0);
- lean_ctor_release(x_470, 1);
- lean_ctor_release(x_470, 2);
- x_481 = x_470;
+if (lean_is_scalar(x_477)) {
+ x_478 = lean_alloc_ctor(0, 3, 0);
 } else {
- lean_dec_ref(x_470);
- x_481 = lean_box(0);
+ x_478 = x_477;
 }
-if (lean_is_scalar(x_481)) {
- x_482 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_478, 0, x_475);
+lean_ctor_set(x_478, 1, x_476);
+lean_ctor_set(x_478, 2, x_434);
+if (lean_is_scalar(x_474)) {
+ x_479 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_482 = x_481;
+ x_479 = x_474;
 }
-lean_ctor_set(x_482, 0, x_479);
-lean_ctor_set(x_482, 1, x_480);
-lean_ctor_set(x_482, 2, x_438);
-if (lean_is_scalar(x_478)) {
- x_483 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_479, 0, x_469);
+lean_ctor_set(x_479, 1, x_470);
+lean_ctor_set(x_479, 2, x_478);
+lean_ctor_set(x_479, 3, x_471);
+lean_ctor_set(x_479, 4, x_472);
+lean_ctor_set(x_479, 5, x_473);
+if (lean_is_scalar(x_468)) {
+ x_480 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_483 = x_478;
+ x_480 = x_468;
 }
-lean_ctor_set(x_483, 0, x_473);
-lean_ctor_set(x_483, 1, x_474);
-lean_ctor_set(x_483, 2, x_482);
-lean_ctor_set(x_483, 3, x_475);
-lean_ctor_set(x_483, 4, x_476);
-lean_ctor_set(x_483, 5, x_477);
-if (lean_is_scalar(x_472)) {
- x_484 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_484 = x_472;
+lean_ctor_set(x_480, 0, x_467);
+lean_ctor_set(x_480, 1, x_479);
+return x_480;
 }
-lean_ctor_set(x_484, 0, x_471);
+}
+}
+}
+else
+{
+uint8_t x_481; 
+lean_dec(x_13);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_481 = !lean_is_exclusive(x_250);
+if (x_481 == 0)
+{
+return x_250;
+}
+else
+{
+lean_object* x_482; lean_object* x_483; lean_object* x_484; 
+x_482 = lean_ctor_get(x_250, 0);
+x_483 = lean_ctor_get(x_250, 1);
+lean_inc(x_483);
+lean_inc(x_482);
+lean_dec(x_250);
+x_484 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_484, 0, x_482);
 lean_ctor_set(x_484, 1, x_483);
 return x_484;
 }
 }
 }
 }
+}
 else
 {
 uint8_t x_485; 
 lean_dec(x_17);
-lean_dec(x_7);
+lean_dec(x_13);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_485 = !lean_is_exclusive(x_254);
+x_485 = !lean_is_exclusive(x_18);
 if (x_485 == 0)
 {
-return x_254;
+return x_18;
 }
 else
 {
 lean_object* x_486; lean_object* x_487; lean_object* x_488; 
-x_486 = lean_ctor_get(x_254, 0);
-x_487 = lean_ctor_get(x_254, 1);
+x_486 = lean_ctor_get(x_18, 0);
+x_487 = lean_ctor_get(x_18, 1);
 lean_inc(x_487);
 lean_inc(x_486);
-lean_dec(x_254);
+lean_dec(x_18);
 x_488 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_488, 0, x_486);
 lean_ctor_set(x_488, 1, x_487);
@@ -4229,30 +4270,28 @@ return x_488;
 }
 }
 }
-}
-}
 else
 {
 uint8_t x_489; 
-lean_dec(x_21);
-lean_dec(x_17);
-lean_dec(x_7);
+lean_dec(x_13);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_489 = !lean_is_exclusive(x_22);
+x_489 = !lean_is_exclusive(x_14);
 if (x_489 == 0)
 {
-return x_22;
+return x_14;
 }
 else
 {
 lean_object* x_490; lean_object* x_491; lean_object* x_492; 
-x_490 = lean_ctor_get(x_22, 0);
-x_491 = lean_ctor_get(x_22, 1);
+x_490 = lean_ctor_get(x_14, 0);
+x_491 = lean_ctor_get(x_14, 1);
 lean_inc(x_491);
 lean_inc(x_490);
-lean_dec(x_22);
+lean_dec(x_14);
 x_492 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_492, 0, x_490);
 lean_ctor_set(x_492, 1, x_491);
@@ -4260,34 +4299,6 @@ return x_492;
 }
 }
 }
-else
-{
-uint8_t x_493; 
-lean_dec(x_17);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_2);
-lean_dec(x_1);
-x_493 = !lean_is_exclusive(x_18);
-if (x_493 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_494; lean_object* x_495; lean_object* x_496; 
-x_494 = lean_ctor_get(x_18, 0);
-x_495 = lean_ctor_get(x_18, 1);
-lean_inc(x_495);
-lean_inc(x_494);
-lean_dec(x_18);
-x_496 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_496, 0, x_494);
-lean_ctor_set(x_496, 1, x_495);
-return x_496;
-}
-}
-}
 }
 }
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__4___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, lean_object* x_8, lean_object* x_9) {
@@ -6671,49 +6682,47 @@ return x_24;
 }
 else
 {
-uint8_t x_61; 
+lean_object* x_61; lean_object* x_62; uint8_t x_63; 
 lean_dec(x_6);
 lean_dec(x_2);
-x_61 = !lean_is_exclusive(x_8);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; 
-x_62 = lean_ctor_get(x_8, 1);
-lean_dec(x_62);
-lean_ctor_set(x_8, 1, x_3);
-lean_inc(x_5);
-lean_inc(x_4);
-x_63 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_4, x_5, x_7, x_4, x_5, x_8, x_9);
+x_61 = lean_array_get_size(x_4);
+x_62 = lean_expr_instantiate_rev_range(x_7, x_5, x_61, x_4);
+lean_dec(x_61);
 lean_dec(x_7);
-lean_dec(x_5);
+x_63 = !lean_is_exclusive(x_8);
+if (x_63 == 0)
+{
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_ctor_get(x_8, 1);
+lean_dec(x_64);
+lean_ctor_set(x_8, 1, x_3);
+lean_inc(x_4);
+x_65 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_4, x_62, x_4, x_5, x_8, x_9);
 lean_dec(x_4);
-return x_63;
+return x_65;
 }
 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_8, 0);
-x_65 = lean_ctor_get(x_8, 2);
-x_66 = lean_ctor_get(x_8, 3);
-x_67 = lean_ctor_get(x_8, 4);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_66 = lean_ctor_get(x_8, 0);
+x_67 = lean_ctor_get(x_8, 2);
+x_68 = lean_ctor_get(x_8, 3);
+x_69 = lean_ctor_get(x_8, 4);
+lean_inc(x_69);
+lean_inc(x_68);
 lean_inc(x_67);
 lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_64);
 lean_dec(x_8);
-x_68 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_68, 0, x_64);
-lean_ctor_set(x_68, 1, x_3);
-lean_ctor_set(x_68, 2, x_65);
-lean_ctor_set(x_68, 3, x_66);
-lean_ctor_set(x_68, 4, x_67);
-lean_inc(x_5);
+x_70 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_70, 0, x_66);
+lean_ctor_set(x_70, 1, x_3);
+lean_ctor_set(x_70, 2, x_67);
+lean_ctor_set(x_70, 3, x_68);
+lean_ctor_set(x_70, 4, x_69);
 lean_inc(x_4);
-x_69 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_4, x_5, x_7, x_4, x_5, x_68, x_9);
-lean_dec(x_7);
-lean_dec(x_5);
+x_71 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_4, x_62, x_4, x_5, x_70, x_9);
 lean_dec(x_4);
-return x_69;
+return x_71;
 }
 }
 }
@@ -7803,15 +7812,13 @@ x_6 = l_Lean_Meta_introNCore___at_Lean_Meta_introN___spec__1(x_1, x_2, x_3, x_4,
 return x_6;
 }
 }
-lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3___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_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3___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_9; 
-x_9 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_5);
+lean_object* x_8; 
+x_8 = l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_4);
-lean_dec(x_3);
-return x_9;
+return x_8;
 }
 }
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__4___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* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
diff --git a/stage0/stdlib/Init/Lean/Meta/Tactic/Util.c b/stage0/stdlib/Init/Lean/Meta/Tactic/Util.c
index 9528358e68..6d33b44d75 100644
--- a/stage0/stdlib/Init/Lean/Meta/Tactic/Util.c
+++ b/stage0/stdlib/Init/Lean/Meta/Tactic/Util.c
@@ -18,6 +18,7 @@ lean_object* l_Lean_Meta_throwTacticEx(lean_object*);
 lean_object* l_Lean_Meta_checkNotAssigned___closed__3;
 extern lean_object* l___private_Init_Lean_Meta_Basic_10__regTraceClasses___closed__2;
 lean_object* l_Lean_Meta_checkNotAssigned___closed__1;
+lean_object* l_Lean_Meta_getMVarTag(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_checkNotAssigned___closed__2;
 lean_object* l_Lean_Meta_throwTacticEx___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_checkNotAssigned___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -35,6 +36,76 @@ lean_object* l_Lean_Meta_getMVarDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_Tactic_Util_1__regTraceClasses___closed__1;
 lean_object* l___private_Init_Lean_Meta_Tactic_Util_1__regTraceClasses___closed__2;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_getMVarTag___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_getMVarTag(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Meta_getMVarDecl(x_1, x_2, x_3);
+if (lean_obj_tag(x_4) == 0)
+{
+uint8_t x_5; 
+x_5 = !lean_is_exclusive(x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; 
+x_6 = lean_ctor_get(x_4, 0);
+x_7 = lean_ctor_get(x_6, 0);
+lean_inc(x_7);
+lean_dec(x_6);
+lean_ctor_set(x_4, 0, x_7);
+return x_4;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_8 = lean_ctor_get(x_4, 0);
+x_9 = lean_ctor_get(x_4, 1);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_dec(x_4);
+x_10 = lean_ctor_get(x_8, 0);
+lean_inc(x_10);
+lean_dec(x_8);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_9);
+return x_11;
+}
+}
+else
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_4);
+if (x_12 == 0)
+{
+return x_4;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_4, 0);
+x_14 = lean_ctor_get(x_4, 1);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_4);
+x_15 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_15, 0, x_13);
+lean_ctor_set(x_15, 1, x_14);
+return x_15;
+}
+}
+}
+}
+lean_object* l_Lean_Meta_getMVarTag___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Meta_getMVarTag(x_1, x_2, x_3);
+lean_dec(x_2);
+return x_4;
+}
+}
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
diff --git a/stage0/stdlib/Init/Lean/Parser/Tactic.c b/stage0/stdlib/Init/Lean/Parser/Tactic.c
index 04803def45..a2cafcb67c 100644
--- a/stage0/stdlib/Init/Lean/Parser/Tactic.c
+++ b/stage0/stdlib/Init/Lean/Parser/Tactic.c
@@ -28,6 +28,7 @@ lean_object* l_Lean_Parser_Term_tacticStxQuot___elambda__1___closed__4;
 extern lean_object* l_Lean_Parser_manyAux___main___closed__1;
 extern lean_object* l_Lean_Parser_declareLeadingBuiltinParser___closed__1;
 lean_object* l_Lean_Parser_Term_tacticStxQuot___closed__5;
+lean_object* l_Lean_Parser_Tactic_case___closed__6;
 lean_object* l_Lean_Parser_andthenInfo(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_have___elambda__1___closed__7;
 lean_object* l_Lean_Parser_Tactic_apply___closed__2;
@@ -101,9 +102,11 @@ lean_object* l_Lean_Parser_Tactic_ident_x27___elambda__1(lean_object*, lean_obje
 lean_object* l_Lean_Parser_Tactic_refine___elambda__1___closed__4;
 lean_object* l_Lean_Parser_Tactic_intros___closed__3;
 lean_object* l_Lean_Parser_Tactic_apply___closed__5;
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__3;
 lean_object* l_Lean_Parser_Tactic_assumption___closed__4;
 lean_object* l_Lean_Parser_Tactic_intros___closed__6;
 lean_object* l_Lean_Parser_tacticParser(uint8_t, lean_object*);
+lean_object* l_Lean_Parser_Tactic_case___closed__4;
 lean_object* l_Lean_Parser_regBuiltinTacticParserAttr___closed__2;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__13;
 lean_object* l_Lean_Parser_Tactic_refine___elambda__1___closed__6;
@@ -118,6 +121,8 @@ extern lean_object* l_Lean_Parser_Term_structInst___elambda__1___closed__5;
 lean_object* l_Lean_Parser_Tactic_refine___elambda__1___closed__3;
 extern lean_object* l_Lean_Parser_identNoAntiquot___closed__1;
 lean_object* l_Lean_Parser_Tactic_assumption___elambda__1___closed__4;
+lean_object* l_Lean_Parser_Tactic_case___elambda__1(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Parser_Tactic_case;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_orelse___elambda__1___closed__3;
 lean_object* l_Lean_Parser_nonReservedSymbolFnAux(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -125,9 +130,11 @@ extern lean_object* l_Lean_Name_appendIndexAfter___closed__1;
 lean_object* l_Lean_Parser_Tactic_refine___closed__3;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___closed__1;
 lean_object* l_Lean_Parser_Term_tacticStxQuot___closed__1;
+lean_object* l___regBuiltinParser_Lean_Parser_Tactic_case(lean_object*);
 lean_object* l_Lean_Parser_Tactic_seq___closed__5;
 lean_object* l_Lean_Parser_Tactic_ident_x27___closed__2;
 lean_object* l_Lean_Parser_Tactic_refine___elambda__1___closed__5;
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__5;
 lean_object* l_Lean_Parser_nodeInfo(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_seq___closed__3;
 lean_object* l_Lean_Parser_Tactic_assumption___closed__1;
@@ -198,13 +205,16 @@ lean_object* l_Array_back___at___private_Init_Lean_Parser_Parser_6__updateCache_
 lean_object* l_Lean_Parser_ParserState_restore(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_tacticStxQuot___elambda__1___closed__7;
 lean_object* l_Lean_Parser_ParserState_popSyntax(lean_object*);
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__1;
 extern lean_object* l_Lean_Parser_Level_paren___closed__4;
 lean_object* l___regBuiltinParser_Lean_Parser_Term_tacticStxQuot___closed__1;
 extern lean_object* l_Lean_Parser_Term_seq___elambda__1___closed__1;
 lean_object* l_Lean_Parser_Tactic_intros___elambda__1___closed__1;
 extern lean_object* l_Lean_Parser_Term_explicitUniv___elambda__1___closed__9;
+lean_object* l_Lean_Parser_Tactic_case___closed__5;
 lean_object* l_Lean_Parser_Tactic_orelse___elambda__1___closed__2;
 lean_object* l_Lean_Parser_Tactic_orelse;
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__2;
 lean_object* l_Lean_Parser_manyAux___main___at_Lean_Parser_Tactic_intros___elambda__1___spec__1(uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_categoryParserFn(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_intros___closed__4;
@@ -214,17 +224,20 @@ lean_object* l_Lean_Parser_sepBy1Fn___at_Lean_Parser_Term_tacticStxQuot___elambd
 lean_object* l_Lean_Parser_Tactic_apply___elambda__1___closed__5;
 extern lean_object* l_Lean_Parser_regBuiltinTermParserAttr___closed__4;
 lean_object* l_Lean_Parser_Tactic_underscoreFn(uint8_t, lean_object*);
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__4;
 lean_object* l_Lean_Parser_Tactic_refine___closed__1;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___closed__2;
 lean_object* l_Lean_Parser_Tactic_refine___closed__2;
 lean_object* l___regBuiltinParser_Lean_Parser_Tactic_exact(lean_object*);
 lean_object* l_Lean_Parser_Tactic_assumption___elambda__1___closed__1;
+lean_object* l_Lean_Parser_Tactic_case___closed__3;
 lean_object* l_Lean_Parser_Tactic_underscoreFn___rarg___closed__3;
 lean_object* l_Lean_Parser_mergeOrElseErrors(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_refine___closed__4;
 lean_object* l_Lean_Parser_categoryParser(uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_exact;
 lean_object* l_Lean_Parser_Tactic_intro___elambda__1___closed__4;
+lean_object* l_Lean_Parser_Tactic_case___closed__1;
 lean_object* l_Lean_Parser_regTacticParserAttribute(lean_object*);
 lean_object* l_Lean_Parser_symbolInfo(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_underscoreFn___rarg___closed__2;
@@ -233,10 +246,12 @@ extern lean_object* l_Lean_Parser_epsilonInfo;
 lean_object* l_Lean_Parser_Tactic_orelse___elambda__1___closed__1;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___closed__4;
 lean_object* l_Lean_Parser_Tactic_assumption___closed__3;
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__7;
 lean_object* l_Lean_Parser_Term_tacticBlock___closed__4;
 lean_object* l_Lean_Parser_Term_tacticBlock___closed__1;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___closed__8;
 lean_object* l_Lean_Parser_Term_tacticBlock;
+lean_object* l_Lean_Parser_Tactic_case___closed__2;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___closed__4;
 lean_object* l_Lean_Parser_Tactic_intros___elambda__1___closed__6;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___closed__3;
@@ -246,6 +261,7 @@ lean_object* l___private_Init_Lean_Parser_Parser_2__sepByFnAux___main___at_Lean_
 lean_object* l_Lean_Parser_Tactic_intros;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___elambda__1___closed__3;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___closed__5;
+lean_object* l_Lean_Parser_Tactic_case___closed__7;
 lean_object* l_Lean_Parser_Term_tacticStxQuot___elambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_exact___closed__4;
 lean_object* l_Lean_Parser_Tactic_exact___elambda__1___closed__2;
@@ -299,10 +315,12 @@ lean_object* l_Lean_Parser_Tactic_refine;
 extern lean_object* l_Lean_Parser_Term_orelse___elambda__1___closed__1;
 lean_object* l_Lean_Parser_Tactic_seq___elambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_assumption___elambda__1___closed__3;
+extern lean_object* l_Lean_ppGoal___closed__7;
 lean_object* l___regBuiltinParser_Lean_Parser_Tactic_refine(lean_object*);
 lean_object* l_Lean_Parser_Tactic_assumption___elambda__1___closed__5;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__2;
 lean_object* l_Lean_Parser_sepBy1Fn___at_Lean_Parser_Term_tacticStxQuot___elambda__1___spec__1(uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Parser_Tactic_case___elambda__1___closed__6;
 lean_object* l_Lean_Parser_Tactic_seq___closed__4;
 extern lean_object* l_Lean_Parser_Level_paren___closed__1;
 uint8_t lean_string_dec_eq(lean_object*, lean_object*);
@@ -2676,6 +2694,285 @@ x_6 = l_Lean_Parser_addBuiltinParser(x_2, x_3, x_4, x_5, x_1);
 return x_6;
 }
 }
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("case");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_seq___elambda__1___closed__2;
+x_2 = l_Lean_Parser_Tactic_case___elambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__4() {
+_start:
+{
+uint8_t x_1; lean_object* x_2; lean_object* x_3; uint8_t x_4; lean_object* x_5; 
+x_1 = 0;
+x_2 = l_Lean_Parser_Tactic_case___elambda__1___closed__1;
+x_3 = l_Lean_Parser_Tactic_case___elambda__1___closed__3;
+x_4 = 1;
+x_5 = l_Lean_Parser_mkAntiquot(x_1, x_2, x_3, x_4);
+return x_5;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_ppGoal___closed__7;
+x_2 = l_String_trim(x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Char_HasRepr___closed__1;
+x_2 = l_Lean_Parser_Tactic_case___elambda__1___closed__5;
+x_3 = lean_string_append(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___elambda__1___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_case___elambda__1___closed__6;
+x_2 = l_Char_HasRepr___closed__1;
+x_3 = lean_string_append(x_1, x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_Parser_Tactic_case___elambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+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_4 = l_Lean_Parser_Level_ident___elambda__1___closed__4;
+x_5 = lean_ctor_get(x_4, 1);
+lean_inc(x_5);
+x_6 = l_Lean_Parser_Tactic_case___elambda__1___closed__4;
+x_7 = lean_ctor_get(x_6, 1);
+lean_inc(x_7);
+x_8 = lean_ctor_get(x_3, 0);
+lean_inc(x_8);
+x_9 = lean_array_get_size(x_8);
+lean_dec(x_8);
+x_10 = lean_ctor_get(x_3, 1);
+lean_inc(x_10);
+lean_inc(x_2);
+lean_inc(x_1);
+x_11 = lean_apply_3(x_7, x_1, x_2, x_3);
+x_12 = lean_ctor_get(x_11, 3);
+lean_inc(x_12);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_11;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; uint8_t x_15; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_ctor_get(x_11, 1);
+lean_inc(x_14);
+x_15 = lean_nat_dec_eq(x_14, x_10);
+lean_dec(x_14);
+if (x_15 == 0)
+{
+lean_dec(x_13);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_11;
+}
+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; lean_object* x_22; 
+lean_inc(x_10);
+x_16 = l_Lean_Parser_ParserState_restore(x_11, x_9, x_10);
+lean_dec(x_9);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_array_get_size(x_17);
+lean_dec(x_17);
+x_19 = l_Lean_Parser_Tactic_case___elambda__1___closed__5;
+x_20 = l_Lean_Parser_Tactic_case___elambda__1___closed__7;
+lean_inc(x_2);
+x_21 = l_Lean_Parser_nonReservedSymbolFnAux(x_19, x_20, x_2, x_16);
+x_22 = lean_ctor_get(x_21, 3);
+lean_inc(x_22);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+lean_inc(x_2);
+x_23 = lean_apply_3(x_5, x_1, x_2, x_21);
+x_24 = lean_ctor_get(x_23, 3);
+lean_inc(x_24);
+if (lean_obj_tag(x_24) == 0)
+{
+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 = l_Lean_Parser_regBuiltinTacticParserAttr___closed__4;
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = l_Lean_Parser_categoryParserFn(x_25, x_26, x_2, x_23);
+x_28 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_29 = l_Lean_Parser_ParserState_mkNode(x_27, x_28, x_18);
+x_30 = l_Lean_Parser_mergeOrElseErrors(x_29, x_13, x_10);
+lean_dec(x_10);
+return x_30;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_24);
+lean_dec(x_2);
+x_31 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_32 = l_Lean_Parser_ParserState_mkNode(x_23, x_31, x_18);
+x_33 = l_Lean_Parser_mergeOrElseErrors(x_32, x_13, x_10);
+lean_dec(x_10);
+return x_33;
+}
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+lean_dec(x_22);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_34 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_35 = l_Lean_Parser_ParserState_mkNode(x_21, x_34, x_18);
+x_36 = l_Lean_Parser_mergeOrElseErrors(x_35, x_13, x_10);
+lean_dec(x_10);
+return x_36;
+}
+}
+}
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__1() {
+_start:
+{
+lean_object* x_1; uint8_t x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_case___elambda__1___closed__5;
+x_2 = 0;
+x_3 = l_Lean_Parser_nonReservedSymbolInfo(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___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_Lean_Parser_Level_ident___elambda__1___closed__4;
+x_2 = lean_ctor_get(x_1, 0);
+lean_inc(x_2);
+x_3 = l_Lean_Parser_Tactic_seq___closed__1;
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+x_5 = l_Lean_Parser_andthenInfo(x_2, x_4);
+return x_5;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_case___closed__1;
+x_2 = l_Lean_Parser_Tactic_case___closed__2;
+x_3 = l_Lean_Parser_andthenInfo(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_2 = l_Lean_Parser_Tactic_case___closed__3;
+x_3 = l_Lean_Parser_nodeInfo(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Lean_Parser_Tactic_case___elambda__1___closed__4;
+x_2 = lean_ctor_get(x_1, 0);
+lean_inc(x_2);
+x_3 = l_Lean_Parser_Tactic_case___closed__4;
+x_4 = l_Lean_Parser_orelseInfo(x_2, x_3);
+return x_4;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Parser_Tactic_case___elambda__1), 3, 0);
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_case___closed__5;
+x_2 = l_Lean_Parser_Tactic_case___closed__6;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Parser_Tactic_case() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Parser_Tactic_case___closed__7;
+return x_1;
+}
+}
+lean_object* l___regBuiltinParser_Lean_Parser_Tactic_case(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+x_2 = 0;
+x_3 = l_Lean_Parser_regBuiltinTacticParserAttr___closed__4;
+x_4 = l_Lean_Parser_Tactic_case___elambda__1___closed__2;
+x_5 = l_Lean_Parser_Tactic_case;
+x_6 = l_Lean_Parser_addBuiltinParser(x_2, x_3, x_4, x_5, x_1);
+return x_6;
+}
+}
 lean_object* _init_l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1() {
 _start:
 {
@@ -4719,6 +5016,39 @@ lean_mark_persistent(l_Lean_Parser_Tactic_refine);
 res = l___regBuiltinParser_Lean_Parser_Tactic_refine(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l_Lean_Parser_Tactic_case___elambda__1___closed__1 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__1);
+l_Lean_Parser_Tactic_case___elambda__1___closed__2 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__2);
+l_Lean_Parser_Tactic_case___elambda__1___closed__3 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__3();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__3);
+l_Lean_Parser_Tactic_case___elambda__1___closed__4 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__4();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__4);
+l_Lean_Parser_Tactic_case___elambda__1___closed__5 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__5();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__5);
+l_Lean_Parser_Tactic_case___elambda__1___closed__6 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__6();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__6);
+l_Lean_Parser_Tactic_case___elambda__1___closed__7 = _init_l_Lean_Parser_Tactic_case___elambda__1___closed__7();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___elambda__1___closed__7);
+l_Lean_Parser_Tactic_case___closed__1 = _init_l_Lean_Parser_Tactic_case___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__1);
+l_Lean_Parser_Tactic_case___closed__2 = _init_l_Lean_Parser_Tactic_case___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__2);
+l_Lean_Parser_Tactic_case___closed__3 = _init_l_Lean_Parser_Tactic_case___closed__3();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__3);
+l_Lean_Parser_Tactic_case___closed__4 = _init_l_Lean_Parser_Tactic_case___closed__4();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__4);
+l_Lean_Parser_Tactic_case___closed__5 = _init_l_Lean_Parser_Tactic_case___closed__5();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__5);
+l_Lean_Parser_Tactic_case___closed__6 = _init_l_Lean_Parser_Tactic_case___closed__6();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__6);
+l_Lean_Parser_Tactic_case___closed__7 = _init_l_Lean_Parser_Tactic_case___closed__7();
+lean_mark_persistent(l_Lean_Parser_Tactic_case___closed__7);
+l_Lean_Parser_Tactic_case = _init_l_Lean_Parser_Tactic_case();
+lean_mark_persistent(l_Lean_Parser_Tactic_case);
+res = l___regBuiltinParser_Lean_Parser_Tactic_case(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1 = _init_l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1();
 lean_mark_persistent(l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__1);
 l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__2 = _init_l_Lean_Parser_Tactic_nestedTacticBlock___elambda__1___closed__2();
diff --git a/stage0/stdlib/Init/Lean/Util/CollectMVars.c b/stage0/stdlib/Init/Lean/Util/CollectMVars.c
new file mode 100644
index 0000000000..39ecfc29c3
--- /dev/null
+++ b/stage0/stdlib/Init/Lean/Util/CollectMVars.c
@@ -0,0 +1,1472 @@
+// Lean compiler output
+// Module: Init.Lean.Util.CollectMVars
+// Imports: Init.Lean.Expr
+#include "runtime/lean.h"
+#if defined(__clang__)
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma clang diagnostic ignored "-Wunused-label"
+#elif defined(__GNUC__) && !defined(__CLANG__)
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wunused-label"
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+lean_object* l_Lean_CollectMVars_visit(lean_object*, lean_object*, lean_object*);
+lean_object* l_AssocList_foldlM___main___at_Lean_CollectMVars_visit___spec__6(lean_object*, lean_object*);
+lean_object* lean_array_uget(lean_object*, size_t);
+lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+lean_object* l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_CollectMVars_main___main(lean_object*, lean_object*);
+extern lean_object* l_Array_empty___closed__1;
+lean_object* l_mkHashSet___at_Lean_CollectMVars_State_inhabited___spec__1(lean_object*);
+lean_object* lean_array_push(lean_object*, lean_object*);
+lean_object* lean_array_get_size(lean_object*);
+lean_object* lean_nat_add(lean_object*, lean_object*);
+lean_object* lean_array_fget(lean_object*, lean_object*);
+lean_object* l_mkHashMap___at_Lean_CollectMVars_State_inhabited___spec__2(lean_object*);
+lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
+size_t l_Lean_Expr_hash(lean_object*);
+lean_object* l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_collectMVars(lean_object*, lean_object*);
+lean_object* l_Lean_CollectMVars_State_inhabited___closed__2;
+size_t lean_usize_modn(size_t, lean_object*);
+lean_object* l_Lean_CollectMVars_State_inhabited___closed__1;
+lean_object* l_mkHashMapImp___rarg(lean_object*);
+lean_object* l_HashMapImp_expand___at_Lean_CollectMVars_visit___spec__4(lean_object*, lean_object*);
+uint8_t lean_expr_eqv(lean_object*, lean_object*);
+uint8_t lean_nat_dec_le(lean_object*, lean_object*);
+uint8_t l_Lean_Expr_hasMVar(lean_object*);
+lean_object* lean_nat_mul(lean_object*, lean_object*);
+uint8_t l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2(lean_object*, lean_object*);
+lean_object* lean_mk_array(lean_object*, lean_object*);
+uint8_t l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(lean_object*, lean_object*);
+lean_object* l_HashMapImp_moveEntries___main___at_Lean_CollectMVars_visit___spec__5(lean_object*, lean_object*, lean_object*);
+lean_object* l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(lean_object*, lean_object*, lean_object*);
+lean_object* l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_CollectMVars_State_inhabited;
+uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+lean_object* l_Lean_CollectMVars_main(lean_object*, lean_object*);
+lean_object* l_mkHashMap___at_Lean_CollectMVars_State_inhabited___spec__2(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+lean_object* l_mkHashSet___at_Lean_CollectMVars_State_inhabited___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_CollectMVars_State_inhabited___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(8u);
+x_2 = l_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_CollectMVars_State_inhabited___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_CollectMVars_State_inhabited___closed__1;
+x_2 = l_Array_empty___closed__1;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_CollectMVars_State_inhabited() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_CollectMVars_State_inhabited___closed__2;
+return x_1;
+}
+}
+uint8_t l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+uint8_t x_3; 
+x_3 = 0;
+return x_3;
+}
+else
+{
+lean_object* x_4; lean_object* x_5; uint8_t x_6; 
+x_4 = lean_ctor_get(x_2, 0);
+x_5 = lean_ctor_get(x_2, 2);
+x_6 = lean_expr_eqv(x_4, x_1);
+if (x_6 == 0)
+{
+x_2 = x_5;
+goto _start;
+}
+else
+{
+uint8_t x_8; 
+x_8 = 1;
+return x_8;
+}
+}
+}
+}
+uint8_t l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(lean_object* x_1, lean_object* x_2) {
+_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 = 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);
+x_8 = l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2(x_2, x_7);
+lean_dec(x_7);
+return x_8;
+}
+}
+lean_object* l_AssocList_foldlM___main___at_Lean_CollectMVars_visit___spec__6(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+return x_1;
+}
+else
+{
+uint8_t x_3; 
+x_3 = !lean_is_exclusive(x_2);
+if (x_3 == 0)
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; size_t x_7; size_t x_8; lean_object* x_9; lean_object* x_10; 
+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 = 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);
+lean_ctor_set(x_2, 2, x_9);
+x_10 = lean_array_uset(x_1, x_8, x_2);
+x_1 = x_10;
+x_2 = x_5;
+goto _start;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_12 = lean_ctor_get(x_2, 0);
+x_13 = lean_ctor_get(x_2, 1);
+x_14 = lean_ctor_get(x_2, 2);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_2);
+x_15 = lean_array_get_size(x_1);
+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);
+x_19 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_19, 0, x_12);
+lean_ctor_set(x_19, 1, x_13);
+lean_ctor_set(x_19, 2, x_18);
+x_20 = lean_array_uset(x_1, x_17, x_19);
+x_1 = x_20;
+x_2 = x_14;
+goto _start;
+}
+}
+}
+}
+lean_object* l_HashMapImp_moveEntries___main___at_Lean_CollectMVars_visit___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; uint8_t x_5; 
+x_4 = lean_array_get_size(x_2);
+x_5 = lean_nat_dec_lt(x_1, x_4);
+lean_dec(x_4);
+if (x_5 == 0)
+{
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+else
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_6 = lean_array_fget(x_2, x_1);
+x_7 = lean_box(0);
+x_8 = lean_array_fset(x_2, x_1, x_7);
+x_9 = l_AssocList_foldlM___main___at_Lean_CollectMVars_visit___spec__6(x_3, x_6);
+x_10 = lean_unsigned_to_nat(1u);
+x_11 = lean_nat_add(x_1, x_10);
+lean_dec(x_1);
+x_1 = x_11;
+x_2 = x_8;
+x_3 = x_9;
+goto _start;
+}
+}
+}
+lean_object* l_HashMapImp_expand___at_Lean_CollectMVars_visit___spec__4(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; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_3 = lean_array_get_size(x_2);
+x_4 = lean_unsigned_to_nat(2u);
+x_5 = lean_nat_mul(x_3, x_4);
+lean_dec(x_3);
+x_6 = lean_box(0);
+x_7 = lean_mk_array(x_5, x_6);
+x_8 = lean_unsigned_to_nat(0u);
+x_9 = l_HashMapImp_moveEntries___main___at_Lean_CollectMVars_visit___spec__5(x_8, x_2, x_7);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_1);
+lean_ctor_set(x_10, 1, x_9);
+return x_10;
+}
+}
+lean_object* l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+if (lean_obj_tag(x_3) == 0)
+{
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+else
+{
+uint8_t x_4; 
+x_4 = !lean_is_exclusive(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_3, 0);
+x_6 = lean_ctor_get(x_3, 1);
+x_7 = lean_ctor_get(x_3, 2);
+x_8 = lean_expr_eqv(x_5, x_1);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+x_9 = l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(x_1, x_2, x_7);
+lean_ctor_set(x_3, 2, x_9);
+return x_3;
+}
+else
+{
+lean_dec(x_6);
+lean_dec(x_5);
+lean_ctor_set(x_3, 1, x_2);
+lean_ctor_set(x_3, 0, x_1);
+return x_3;
+}
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_ctor_get(x_3, 0);
+x_11 = lean_ctor_get(x_3, 1);
+x_12 = lean_ctor_get(x_3, 2);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_dec(x_3);
+x_13 = lean_expr_eqv(x_10, x_1);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(x_1, x_2, x_12);
+x_15 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_15, 0, x_10);
+lean_ctor_set(x_15, 1, x_11);
+lean_ctor_set(x_15, 2, x_14);
+return x_15;
+}
+else
+{
+lean_object* x_16; 
+lean_dec(x_11);
+lean_dec(x_10);
+x_16 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_16, 0, x_1);
+lean_ctor_set(x_16, 1, x_2);
+lean_ctor_set(x_16, 2, x_12);
+return x_16;
+}
+}
+}
+}
+}
+lean_object* l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = !lean_is_exclusive(x_1);
+if (x_4 == 0)
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; size_t x_8; size_t x_9; lean_object* x_10; uint8_t x_11; 
+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 = 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_CollectMVars_visit___spec__2(x_2, x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_add(x_5, x_12);
+lean_dec(x_5);
+x_14 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_14, 0, x_2);
+lean_ctor_set(x_14, 1, x_3);
+lean_ctor_set(x_14, 2, x_10);
+x_15 = lean_array_uset(x_6, x_9, x_14);
+x_16 = lean_nat_dec_le(x_13, x_7);
+lean_dec(x_7);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_free_object(x_1);
+x_17 = l_HashMapImp_expand___at_Lean_CollectMVars_visit___spec__4(x_13, x_15);
+return x_17;
+}
+else
+{
+lean_ctor_set(x_1, 1, x_15);
+lean_ctor_set(x_1, 0, x_13);
+return x_1;
+}
+}
+else
+{
+lean_object* x_18; lean_object* x_19; 
+lean_dec(x_7);
+x_18 = l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(x_2, x_3, x_10);
+x_19 = lean_array_uset(x_6, x_9, x_18);
+lean_ctor_set(x_1, 1, x_19);
+return x_1;
+}
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; uint8_t x_26; 
+x_20 = lean_ctor_get(x_1, 0);
+x_21 = lean_ctor_get(x_1, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_1);
+x_22 = lean_array_get_size(x_21);
+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_CollectMVars_visit___spec__2(x_2, x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
+x_27 = lean_unsigned_to_nat(1u);
+x_28 = lean_nat_add(x_20, x_27);
+lean_dec(x_20);
+x_29 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_29, 0, x_2);
+lean_ctor_set(x_29, 1, x_3);
+lean_ctor_set(x_29, 2, x_25);
+x_30 = lean_array_uset(x_21, x_24, x_29);
+x_31 = lean_nat_dec_le(x_28, x_22);
+lean_dec(x_22);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = l_HashMapImp_expand___at_Lean_CollectMVars_visit___spec__4(x_28, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_33; 
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_28);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+lean_dec(x_22);
+x_34 = l_AssocList_replace___main___at_Lean_CollectMVars_visit___spec__7(x_2, x_3, x_25);
+x_35 = lean_array_uset(x_21, x_24, x_34);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_20);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+}
+}
+lean_object* l_Lean_CollectMVars_visit(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = l_Lean_Expr_hasMVar(x_2);
+if (x_4 == 0)
+{
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+else
+{
+lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+x_5 = lean_ctor_get(x_3, 0);
+lean_inc(x_5);
+x_6 = lean_ctor_get(x_3, 1);
+lean_inc(x_6);
+x_7 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_5, x_2);
+if (x_7 == 0)
+{
+uint8_t x_8; 
+x_8 = !lean_is_exclusive(x_3);
+if (x_8 == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_9 = lean_ctor_get(x_3, 1);
+lean_dec(x_9);
+x_10 = lean_ctor_get(x_3, 0);
+lean_dec(x_10);
+x_11 = lean_box(0);
+lean_inc(x_2);
+x_12 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_5, x_2, x_11);
+lean_ctor_set(x_3, 0, x_12);
+x_13 = lean_apply_2(x_1, x_2, x_3);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_dec(x_3);
+x_14 = lean_box(0);
+lean_inc(x_2);
+x_15 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_5, x_2, x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_6);
+x_17 = lean_apply_2(x_1, x_2, x_16);
+return x_17;
+}
+}
+else
+{
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+}
+}
+lean_object* l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_AssocList_contains___main___at_Lean_CollectMVars_visit___spec__2(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+lean_object* l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+lean_object* l_Lean_CollectMVars_main___main(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 2:
+{
+lean_object* x_3; uint8_t x_4; 
+x_3 = lean_ctor_get(x_1, 0);
+lean_inc(x_3);
+lean_dec(x_1);
+x_4 = !lean_is_exclusive(x_2);
+if (x_4 == 0)
+{
+lean_object* x_5; lean_object* x_6; 
+x_5 = lean_ctor_get(x_2, 1);
+x_6 = lean_array_push(x_5, x_3);
+lean_ctor_set(x_2, 1, x_6);
+return x_2;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_7 = lean_ctor_get(x_2, 0);
+x_8 = lean_ctor_get(x_2, 1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_dec(x_2);
+x_9 = lean_array_push(x_8, x_3);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_7);
+lean_ctor_set(x_10, 1, x_9);
+return x_10;
+}
+}
+case 5:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_28; uint8_t x_29; 
+x_11 = lean_ctor_get(x_1, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_1, 1);
+lean_inc(x_12);
+lean_dec(x_1);
+x_28 = l_Lean_Expr_hasMVar(x_11);
+x_29 = l_Lean_Expr_hasMVar(x_12);
+if (x_28 == 0)
+{
+lean_dec(x_11);
+if (x_29 == 0)
+{
+lean_dec(x_12);
+return x_2;
+}
+else
+{
+x_13 = x_2;
+goto block_27;
+}
+}
+else
+{
+lean_object* x_30; lean_object* x_31; uint8_t x_32; 
+x_30 = lean_ctor_get(x_2, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_2, 1);
+lean_inc(x_31);
+x_32 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_30, x_11);
+if (x_32 == 0)
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_2);
+if (x_33 == 0)
+{
+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_2, 1);
+lean_dec(x_34);
+x_35 = lean_ctor_get(x_2, 0);
+lean_dec(x_35);
+x_36 = lean_box(0);
+lean_inc(x_11);
+x_37 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_30, x_11, x_36);
+lean_ctor_set(x_2, 0, x_37);
+x_38 = l_Lean_CollectMVars_main___main(x_11, x_2);
+if (x_29 == 0)
+{
+lean_dec(x_12);
+return x_38;
+}
+else
+{
+x_13 = x_38;
+goto block_27;
+}
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+lean_dec(x_2);
+x_39 = lean_box(0);
+lean_inc(x_11);
+x_40 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_30, x_11, x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_31);
+x_42 = l_Lean_CollectMVars_main___main(x_11, x_41);
+if (x_29 == 0)
+{
+lean_dec(x_12);
+return x_42;
+}
+else
+{
+x_13 = x_42;
+goto block_27;
+}
+}
+}
+else
+{
+lean_dec(x_31);
+lean_dec(x_30);
+lean_dec(x_11);
+if (x_29 == 0)
+{
+lean_dec(x_12);
+return x_2;
+}
+else
+{
+x_13 = x_2;
+goto block_27;
+}
+}
+}
+block_27:
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+x_16 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_14, x_12);
+if (x_16 == 0)
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_13);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_13, 1);
+lean_dec(x_18);
+x_19 = lean_ctor_get(x_13, 0);
+lean_dec(x_19);
+x_20 = lean_box(0);
+lean_inc(x_12);
+x_21 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_14, x_12, x_20);
+lean_ctor_set(x_13, 0, x_21);
+x_1 = x_12;
+x_2 = x_13;
+goto _start;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+lean_dec(x_13);
+x_23 = lean_box(0);
+lean_inc(x_12);
+x_24 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_14, x_12, 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_15);
+x_1 = x_12;
+x_2 = x_25;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_12);
+return x_13;
+}
+}
+}
+case 6:
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_60; uint8_t x_61; 
+x_43 = lean_ctor_get(x_1, 1);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_1, 2);
+lean_inc(x_44);
+lean_dec(x_1);
+x_60 = l_Lean_Expr_hasMVar(x_43);
+x_61 = l_Lean_Expr_hasMVar(x_44);
+if (x_60 == 0)
+{
+lean_dec(x_43);
+if (x_61 == 0)
+{
+lean_dec(x_44);
+return x_2;
+}
+else
+{
+x_45 = x_2;
+goto block_59;
+}
+}
+else
+{
+lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_62 = lean_ctor_get(x_2, 0);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_2, 1);
+lean_inc(x_63);
+x_64 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_62, x_43);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = !lean_is_exclusive(x_2);
+if (x_65 == 0)
+{
+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_2, 1);
+lean_dec(x_66);
+x_67 = lean_ctor_get(x_2, 0);
+lean_dec(x_67);
+x_68 = lean_box(0);
+lean_inc(x_43);
+x_69 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_62, x_43, x_68);
+lean_ctor_set(x_2, 0, x_69);
+x_70 = l_Lean_CollectMVars_main___main(x_43, x_2);
+if (x_61 == 0)
+{
+lean_dec(x_44);
+return x_70;
+}
+else
+{
+x_45 = x_70;
+goto block_59;
+}
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+lean_dec(x_2);
+x_71 = lean_box(0);
+lean_inc(x_43);
+x_72 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_62, x_43, x_71);
+x_73 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_73, 0, x_72);
+lean_ctor_set(x_73, 1, x_63);
+x_74 = l_Lean_CollectMVars_main___main(x_43, x_73);
+if (x_61 == 0)
+{
+lean_dec(x_44);
+return x_74;
+}
+else
+{
+x_45 = x_74;
+goto block_59;
+}
+}
+}
+else
+{
+lean_dec(x_63);
+lean_dec(x_62);
+lean_dec(x_43);
+if (x_61 == 0)
+{
+lean_dec(x_44);
+return x_2;
+}
+else
+{
+x_45 = x_2;
+goto block_59;
+}
+}
+}
+block_59:
+{
+lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+x_48 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_46, x_44);
+if (x_48 == 0)
+{
+uint8_t x_49; 
+x_49 = !lean_is_exclusive(x_45);
+if (x_49 == 0)
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_50 = lean_ctor_get(x_45, 1);
+lean_dec(x_50);
+x_51 = lean_ctor_get(x_45, 0);
+lean_dec(x_51);
+x_52 = lean_box(0);
+lean_inc(x_44);
+x_53 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_46, x_44, x_52);
+lean_ctor_set(x_45, 0, x_53);
+x_1 = x_44;
+x_2 = x_45;
+goto _start;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+lean_dec(x_45);
+x_55 = lean_box(0);
+lean_inc(x_44);
+x_56 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_46, x_44, 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_47);
+x_1 = x_44;
+x_2 = x_57;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_47);
+lean_dec(x_46);
+lean_dec(x_44);
+return x_45;
+}
+}
+}
+case 7:
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_92; uint8_t x_93; 
+x_75 = lean_ctor_get(x_1, 1);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_1, 2);
+lean_inc(x_76);
+lean_dec(x_1);
+x_92 = l_Lean_Expr_hasMVar(x_75);
+x_93 = l_Lean_Expr_hasMVar(x_76);
+if (x_92 == 0)
+{
+lean_dec(x_75);
+if (x_93 == 0)
+{
+lean_dec(x_76);
+return x_2;
+}
+else
+{
+x_77 = x_2;
+goto block_91;
+}
+}
+else
+{
+lean_object* x_94; lean_object* x_95; uint8_t x_96; 
+x_94 = lean_ctor_get(x_2, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_2, 1);
+lean_inc(x_95);
+x_96 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_94, x_75);
+if (x_96 == 0)
+{
+uint8_t x_97; 
+x_97 = !lean_is_exclusive(x_2);
+if (x_97 == 0)
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+x_98 = lean_ctor_get(x_2, 1);
+lean_dec(x_98);
+x_99 = lean_ctor_get(x_2, 0);
+lean_dec(x_99);
+x_100 = lean_box(0);
+lean_inc(x_75);
+x_101 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_94, x_75, x_100);
+lean_ctor_set(x_2, 0, x_101);
+x_102 = l_Lean_CollectMVars_main___main(x_75, x_2);
+if (x_93 == 0)
+{
+lean_dec(x_76);
+return x_102;
+}
+else
+{
+x_77 = x_102;
+goto block_91;
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+lean_dec(x_2);
+x_103 = lean_box(0);
+lean_inc(x_75);
+x_104 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_94, x_75, x_103);
+x_105 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_105, 0, x_104);
+lean_ctor_set(x_105, 1, x_95);
+x_106 = l_Lean_CollectMVars_main___main(x_75, x_105);
+if (x_93 == 0)
+{
+lean_dec(x_76);
+return x_106;
+}
+else
+{
+x_77 = x_106;
+goto block_91;
+}
+}
+}
+else
+{
+lean_dec(x_95);
+lean_dec(x_94);
+lean_dec(x_75);
+if (x_93 == 0)
+{
+lean_dec(x_76);
+return x_2;
+}
+else
+{
+x_77 = x_2;
+goto block_91;
+}
+}
+}
+block_91:
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_77, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_77, 1);
+lean_inc(x_79);
+x_80 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_78, x_76);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = !lean_is_exclusive(x_77);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_82 = lean_ctor_get(x_77, 1);
+lean_dec(x_82);
+x_83 = lean_ctor_get(x_77, 0);
+lean_dec(x_83);
+x_84 = lean_box(0);
+lean_inc(x_76);
+x_85 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_78, x_76, x_84);
+lean_ctor_set(x_77, 0, x_85);
+x_1 = x_76;
+x_2 = x_77;
+goto _start;
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+lean_dec(x_77);
+x_87 = lean_box(0);
+lean_inc(x_76);
+x_88 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_78, x_76, x_87);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_79);
+x_1 = x_76;
+x_2 = x_89;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_79);
+lean_dec(x_78);
+lean_dec(x_76);
+return x_77;
+}
+}
+}
+case 8:
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_125; uint8_t x_126; uint8_t x_127; lean_object* x_128; 
+x_107 = lean_ctor_get(x_1, 1);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_1, 2);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_1, 3);
+lean_inc(x_109);
+lean_dec(x_1);
+x_125 = l_Lean_Expr_hasMVar(x_107);
+x_126 = l_Lean_Expr_hasMVar(x_108);
+x_127 = l_Lean_Expr_hasMVar(x_109);
+if (x_125 == 0)
+{
+lean_dec(x_107);
+if (x_126 == 0)
+{
+lean_dec(x_108);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_2;
+}
+else
+{
+x_110 = x_2;
+goto block_124;
+}
+}
+else
+{
+x_128 = x_2;
+goto block_142;
+}
+}
+else
+{
+lean_object* x_143; lean_object* x_144; uint8_t x_145; 
+x_143 = lean_ctor_get(x_2, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_2, 1);
+lean_inc(x_144);
+x_145 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_143, x_107);
+if (x_145 == 0)
+{
+uint8_t x_146; 
+x_146 = !lean_is_exclusive(x_2);
+if (x_146 == 0)
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+x_147 = lean_ctor_get(x_2, 1);
+lean_dec(x_147);
+x_148 = lean_ctor_get(x_2, 0);
+lean_dec(x_148);
+x_149 = lean_box(0);
+lean_inc(x_107);
+x_150 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_143, x_107, x_149);
+lean_ctor_set(x_2, 0, x_150);
+x_151 = l_Lean_CollectMVars_main___main(x_107, x_2);
+if (x_126 == 0)
+{
+lean_dec(x_108);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_151;
+}
+else
+{
+x_110 = x_151;
+goto block_124;
+}
+}
+else
+{
+x_128 = x_151;
+goto block_142;
+}
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+lean_dec(x_2);
+x_152 = lean_box(0);
+lean_inc(x_107);
+x_153 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_143, x_107, x_152);
+x_154 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_154, 0, x_153);
+lean_ctor_set(x_154, 1, x_144);
+x_155 = l_Lean_CollectMVars_main___main(x_107, x_154);
+if (x_126 == 0)
+{
+lean_dec(x_108);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_155;
+}
+else
+{
+x_110 = x_155;
+goto block_124;
+}
+}
+else
+{
+x_128 = x_155;
+goto block_142;
+}
+}
+}
+else
+{
+lean_dec(x_144);
+lean_dec(x_143);
+lean_dec(x_107);
+if (x_126 == 0)
+{
+lean_dec(x_108);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_2;
+}
+else
+{
+x_110 = x_2;
+goto block_124;
+}
+}
+else
+{
+x_128 = x_2;
+goto block_142;
+}
+}
+}
+block_124:
+{
+lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_110, 1);
+lean_inc(x_112);
+x_113 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_111, x_109);
+if (x_113 == 0)
+{
+uint8_t x_114; 
+x_114 = !lean_is_exclusive(x_110);
+if (x_114 == 0)
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_115 = lean_ctor_get(x_110, 1);
+lean_dec(x_115);
+x_116 = lean_ctor_get(x_110, 0);
+lean_dec(x_116);
+x_117 = lean_box(0);
+lean_inc(x_109);
+x_118 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_111, x_109, x_117);
+lean_ctor_set(x_110, 0, x_118);
+x_1 = x_109;
+x_2 = x_110;
+goto _start;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+lean_dec(x_110);
+x_120 = lean_box(0);
+lean_inc(x_109);
+x_121 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_111, x_109, x_120);
+x_122 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_122, 0, x_121);
+lean_ctor_set(x_122, 1, x_112);
+x_1 = x_109;
+x_2 = x_122;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_112);
+lean_dec(x_111);
+lean_dec(x_109);
+return x_110;
+}
+}
+block_142:
+{
+lean_object* x_129; lean_object* x_130; uint8_t x_131; 
+x_129 = lean_ctor_get(x_128, 0);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_128, 1);
+lean_inc(x_130);
+x_131 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_129, x_108);
+if (x_131 == 0)
+{
+uint8_t x_132; 
+x_132 = !lean_is_exclusive(x_128);
+if (x_132 == 0)
+{
+lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+x_133 = lean_ctor_get(x_128, 1);
+lean_dec(x_133);
+x_134 = lean_ctor_get(x_128, 0);
+lean_dec(x_134);
+x_135 = lean_box(0);
+lean_inc(x_108);
+x_136 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_129, x_108, x_135);
+lean_ctor_set(x_128, 0, x_136);
+x_137 = l_Lean_CollectMVars_main___main(x_108, x_128);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_137;
+}
+else
+{
+x_110 = x_137;
+goto block_124;
+}
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+lean_dec(x_128);
+x_138 = lean_box(0);
+lean_inc(x_108);
+x_139 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_129, x_108, 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_130);
+x_141 = l_Lean_CollectMVars_main___main(x_108, x_140);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_141;
+}
+else
+{
+x_110 = x_141;
+goto block_124;
+}
+}
+}
+else
+{
+lean_dec(x_130);
+lean_dec(x_129);
+lean_dec(x_108);
+if (x_127 == 0)
+{
+lean_dec(x_109);
+return x_128;
+}
+else
+{
+x_110 = x_128;
+goto block_124;
+}
+}
+}
+}
+case 10:
+{
+lean_object* x_156; uint8_t x_157; 
+x_156 = lean_ctor_get(x_1, 1);
+lean_inc(x_156);
+lean_dec(x_1);
+x_157 = l_Lean_Expr_hasMVar(x_156);
+if (x_157 == 0)
+{
+lean_dec(x_156);
+return x_2;
+}
+else
+{
+lean_object* x_158; lean_object* x_159; uint8_t x_160; 
+x_158 = lean_ctor_get(x_2, 0);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_2, 1);
+lean_inc(x_159);
+x_160 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_158, x_156);
+if (x_160 == 0)
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_2);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_162 = lean_ctor_get(x_2, 1);
+lean_dec(x_162);
+x_163 = lean_ctor_get(x_2, 0);
+lean_dec(x_163);
+x_164 = lean_box(0);
+lean_inc(x_156);
+x_165 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_158, x_156, x_164);
+lean_ctor_set(x_2, 0, x_165);
+x_1 = x_156;
+goto _start;
+}
+else
+{
+lean_object* x_167; lean_object* x_168; lean_object* x_169; 
+lean_dec(x_2);
+x_167 = lean_box(0);
+lean_inc(x_156);
+x_168 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_158, x_156, 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_159);
+x_1 = x_156;
+x_2 = x_169;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_159);
+lean_dec(x_158);
+lean_dec(x_156);
+return x_2;
+}
+}
+}
+case 11:
+{
+lean_object* x_171; uint8_t x_172; 
+x_171 = lean_ctor_get(x_1, 2);
+lean_inc(x_171);
+lean_dec(x_1);
+x_172 = l_Lean_Expr_hasMVar(x_171);
+if (x_172 == 0)
+{
+lean_dec(x_171);
+return x_2;
+}
+else
+{
+lean_object* x_173; lean_object* x_174; uint8_t x_175; 
+x_173 = lean_ctor_get(x_2, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_2, 1);
+lean_inc(x_174);
+x_175 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_173, x_171);
+if (x_175 == 0)
+{
+uint8_t x_176; 
+x_176 = !lean_is_exclusive(x_2);
+if (x_176 == 0)
+{
+lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_177 = lean_ctor_get(x_2, 1);
+lean_dec(x_177);
+x_178 = lean_ctor_get(x_2, 0);
+lean_dec(x_178);
+x_179 = lean_box(0);
+lean_inc(x_171);
+x_180 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_173, x_171, x_179);
+lean_ctor_set(x_2, 0, x_180);
+x_1 = x_171;
+goto _start;
+}
+else
+{
+lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+lean_dec(x_2);
+x_182 = lean_box(0);
+lean_inc(x_171);
+x_183 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_173, x_171, x_182);
+x_184 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_184, 0, x_183);
+lean_ctor_set(x_184, 1, x_174);
+x_1 = x_171;
+x_2 = x_184;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_174);
+lean_dec(x_173);
+lean_dec(x_171);
+return x_2;
+}
+}
+}
+default: 
+{
+lean_dec(x_1);
+return x_2;
+}
+}
+}
+}
+lean_object* l_Lean_CollectMVars_main(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_CollectMVars_main___main(x_1, x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_collectMVars(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; 
+x_3 = l_Lean_Expr_hasMVar(x_2);
+if (x_3 == 0)
+{
+lean_dec(x_2);
+return x_1;
+}
+else
+{
+lean_object* x_4; lean_object* x_5; uint8_t x_6; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+x_5 = lean_ctor_get(x_1, 1);
+lean_inc(x_5);
+x_6 = l_HashMapImp_contains___at_Lean_CollectMVars_visit___spec__1(x_4, x_2);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+x_7 = !lean_is_exclusive(x_1);
+if (x_7 == 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_1, 1);
+lean_dec(x_8);
+x_9 = lean_ctor_get(x_1, 0);
+lean_dec(x_9);
+x_10 = lean_box(0);
+lean_inc(x_2);
+x_11 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_4, x_2, x_10);
+lean_ctor_set(x_1, 0, x_11);
+x_12 = l_Lean_CollectMVars_main___main(x_2, x_1);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_dec(x_1);
+x_13 = lean_box(0);
+lean_inc(x_2);
+x_14 = l_HashMapImp_insert___at_Lean_CollectMVars_visit___spec__3(x_4, x_2, x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_5);
+x_16 = l_Lean_CollectMVars_main___main(x_2, x_15);
+return x_16;
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_1;
+}
+}
+}
+}
+lean_object* initialize_Init_Lean_Expr(lean_object*);
+static bool _G_initialized = false;
+lean_object* initialize_Init_Lean_Util_CollectMVars(lean_object* w) {
+lean_object * res;
+if (_G_initialized) return lean_mk_io_result(lean_box(0));
+_G_initialized = true;
+res = initialize_Init_Lean_Expr(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l_Lean_CollectMVars_State_inhabited___closed__1 = _init_l_Lean_CollectMVars_State_inhabited___closed__1();
+lean_mark_persistent(l_Lean_CollectMVars_State_inhabited___closed__1);
+l_Lean_CollectMVars_State_inhabited___closed__2 = _init_l_Lean_CollectMVars_State_inhabited___closed__2();
+lean_mark_persistent(l_Lean_CollectMVars_State_inhabited___closed__2);
+l_Lean_CollectMVars_State_inhabited = _init_l_Lean_CollectMVars_State_inhabited();
+lean_mark_persistent(l_Lean_CollectMVars_State_inhabited);
+return lean_mk_io_result(lean_box(0));
+}
+#ifdef __cplusplus
+}
+#endif
diff --git a/stage0/stdlib/Init/Lean/Util/PPGoal.c b/stage0/stdlib/Init/Lean/Util/PPGoal.c
index b88bd29fe7..7149d06dd7 100644
--- a/stage0/stdlib/Init/Lean/Util/PPGoal.c
+++ b/stage0/stdlib/Init/Lean/Util/PPGoal.c
@@ -49,6 +49,8 @@ lean_object* l_Lean_LocalContext_foldlM___at_Lean_ppGoal___spec__2(lean_object*,
 lean_object* l_Lean_Name_toStringWithSep___main(lean_object*, lean_object*);
 lean_object* l_Lean_ppGoal___closed__3;
 lean_object* l_Array_iterateMAux___main___at_Lean_ppGoal___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_ppGoal___closed__8;
+lean_object* l_Lean_ppGoal___closed__7;
 lean_object* l_Lean_ppGoal___closed__1;
 lean_object* l_Lean_Format_joinSep___main___at_Lean_ppGoal___spec__1(lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
@@ -3927,6 +3929,24 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_ppGoal___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("case ");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_ppGoal___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_ppGoal___closed__7;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
 lean_object* l_Lean_ppGoal(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -3945,7 +3965,7 @@ return x_7;
 }
 else
 {
-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; uint8_t 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_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; uint8_t 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_8 = lean_ctor_get(x_6, 0);
 lean_inc(x_8);
 lean_dec(x_6);
@@ -3971,7 +3991,6 @@ lean_dec(x_12);
 x_16 = l_Lean_Format_isNil(x_15);
 x_17 = lean_ctor_get(x_8, 2);
 lean_inc(x_17);
-lean_dec(x_8);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
@@ -3981,235 +4000,250 @@ x_19 = lean_unsigned_to_nat(2u);
 x_20 = lean_alloc_ctor(3, 2, 0);
 lean_ctor_set(x_20, 0, x_19);
 lean_ctor_set(x_20, 1, x_18);
+x_21 = lean_ctor_get(x_8, 0);
+lean_inc(x_21);
+lean_dec(x_8);
 if (x_16 == 0)
 {
-uint8_t x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = 0;
-x_62 = lean_box(1);
-x_63 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_63, 0, x_15);
-lean_ctor_set(x_63, 1, x_62);
-lean_ctor_set_uint8(x_63, sizeof(void*)*2, x_61);
+uint8_t x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = 0;
+x_61 = lean_box(1);
+x_62 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_62, 0, x_15);
+lean_ctor_set(x_62, 1, x_61);
+lean_ctor_set_uint8(x_62, sizeof(void*)*2, x_60);
 if (lean_obj_tag(x_13) == 0)
 {
-uint8_t x_64; 
 lean_dec(x_14);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_64 = l_Lean_Format_isNil(x_63);
-if (x_64 == 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; 
-x_65 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_62);
-lean_ctor_set_uint8(x_65, sizeof(void*)*2, x_61);
-x_66 = l_Lean_ppGoal___closed__6;
-x_67 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_67, 0, x_65);
-lean_ctor_set(x_67, 1, x_66);
-lean_ctor_set_uint8(x_67, sizeof(void*)*2, x_61);
-x_68 = l_Lean_Format_flatten___main___closed__1;
-x_69 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_69, 0, x_67);
-lean_ctor_set(x_69, 1, x_68);
-lean_ctor_set_uint8(x_69, sizeof(void*)*2, x_61);
-x_70 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_20);
-lean_ctor_set_uint8(x_70, sizeof(void*)*2, x_61);
-return x_70;
+x_22 = x_62;
+goto block_59;
 }
 else
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_71 = l_Lean_ppGoal___closed__6;
-x_72 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_72, 0, x_63);
-lean_ctor_set(x_72, 1, x_71);
-lean_ctor_set_uint8(x_72, sizeof(void*)*2, x_61);
-x_73 = l_Lean_Format_flatten___main___closed__1;
-x_74 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_74, 0, x_72);
-lean_ctor_set(x_74, 1, x_73);
-lean_ctor_set_uint8(x_74, sizeof(void*)*2, x_61);
-x_75 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_75, 0, x_74);
-lean_ctor_set(x_75, 1, x_20);
-lean_ctor_set_uint8(x_75, sizeof(void*)*2, x_61);
-return x_75;
-}
-}
-else
-{
-x_21 = x_63;
-goto block_60;
-}
-}
-else
-{
-if (lean_obj_tag(x_13) == 0)
-{
-uint8_t x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-lean_dec(x_14);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_76 = 0;
-x_77 = l_Lean_ppGoal___closed__6;
-x_78 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_78, 0, x_15);
-lean_ctor_set(x_78, 1, x_77);
-lean_ctor_set_uint8(x_78, sizeof(void*)*2, x_76);
-x_79 = l_Lean_Format_flatten___main___closed__1;
-x_80 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-lean_ctor_set_uint8(x_80, sizeof(void*)*2, x_76);
-x_81 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_81, 0, x_80);
-lean_ctor_set(x_81, 1, x_20);
-lean_ctor_set_uint8(x_81, sizeof(void*)*2, x_76);
-return x_81;
-}
-else
-{
-x_21 = x_15;
-goto block_60;
-}
-}
-block_60:
-{
 if (lean_obj_tag(x_14) == 0)
 {
-uint8_t x_22; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_22 = l_Lean_Format_isNil(x_21);
-if (x_22 == 0)
-{
-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; 
-x_23 = 0;
-x_24 = lean_box(1);
-x_25 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_25, 0, x_21);
-lean_ctor_set(x_25, 1, x_24);
-lean_ctor_set_uint8(x_25, sizeof(void*)*2, x_23);
-x_26 = l_Lean_ppGoal___closed__6;
-x_27 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-lean_ctor_set_uint8(x_27, sizeof(void*)*2, x_23);
-x_28 = l_Lean_Format_flatten___main___closed__1;
-x_29 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-lean_ctor_set_uint8(x_29, sizeof(void*)*2, x_23);
-x_30 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_20);
-lean_ctor_set_uint8(x_30, sizeof(void*)*2, x_23);
-return x_30;
+x_22 = x_62;
+goto block_59;
 }
 else
 {
-uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_31 = 0;
-x_32 = l_Lean_ppGoal___closed__6;
-x_33 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_33, 0, x_21);
-lean_ctor_set(x_33, 1, x_32);
-lean_ctor_set_uint8(x_33, sizeof(void*)*2, x_31);
-x_34 = l_Lean_Format_flatten___main___closed__1;
-x_35 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
-lean_ctor_set_uint8(x_35, sizeof(void*)*2, x_31);
-x_36 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_20);
-lean_ctor_set_uint8(x_36, sizeof(void*)*2, x_31);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t 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_49; uint8_t x_50; 
-x_37 = lean_ctor_get(x_14, 0);
-lean_inc(x_37);
+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; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_63 = lean_ctor_get(x_14, 0);
+lean_inc(x_63);
 lean_dec(x_14);
-x_38 = l_Lean_Format_flatten___main___closed__1;
-x_39 = l_Lean_Format_joinSep___main___at_Lean_ppGoal___spec__1(x_13, x_38);
-x_40 = 0;
-x_41 = l_Array_iterateMAux___main___at_Lean_ppGoal___spec__6___closed__2;
-x_42 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_42, 0, x_39);
-lean_ctor_set(x_42, 1, x_41);
-lean_ctor_set_uint8(x_42, sizeof(void*)*2, x_40);
-x_43 = l_Lean_ppExpr(x_1, x_2, x_3, x_4, x_37);
-x_44 = lean_box(1);
-x_45 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_43);
-lean_ctor_set_uint8(x_45, sizeof(void*)*2, x_40);
-x_46 = lean_alloc_ctor(3, 2, 0);
-lean_ctor_set(x_46, 0, x_19);
-lean_ctor_set(x_46, 1, x_45);
-x_47 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_47, 0, x_42);
-lean_ctor_set(x_47, 1, x_46);
-lean_ctor_set_uint8(x_47, sizeof(void*)*2, x_40);
-x_48 = lean_format_group(x_47);
-x_49 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_49, 0, x_21);
-lean_ctor_set(x_49, 1, x_48);
-lean_ctor_set_uint8(x_49, sizeof(void*)*2, x_40);
-x_50 = l_Lean_Format_isNil(x_49);
-if (x_50 == 0)
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_51 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_44);
-lean_ctor_set_uint8(x_51, sizeof(void*)*2, x_40);
-x_52 = l_Lean_ppGoal___closed__6;
-x_53 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-lean_ctor_set_uint8(x_53, sizeof(void*)*2, x_40);
-x_54 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_54, 0, x_53);
-lean_ctor_set(x_54, 1, x_38);
-lean_ctor_set_uint8(x_54, sizeof(void*)*2, x_40);
-x_55 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_55, 0, x_54);
-lean_ctor_set(x_55, 1, x_20);
-lean_ctor_set_uint8(x_55, sizeof(void*)*2, x_40);
-return x_55;
+x_64 = l_Lean_Format_flatten___main___closed__1;
+x_65 = l_Lean_Format_joinSep___main___at_Lean_ppGoal___spec__1(x_13, x_64);
+x_66 = l_Array_iterateMAux___main___at_Lean_ppGoal___spec__6___closed__2;
+x_67 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_67, 0, x_65);
+lean_ctor_set(x_67, 1, x_66);
+lean_ctor_set_uint8(x_67, sizeof(void*)*2, x_60);
+x_68 = l_Lean_ppExpr(x_1, x_2, x_3, x_4, x_63);
+x_69 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_69, 0, x_61);
+lean_ctor_set(x_69, 1, x_68);
+lean_ctor_set_uint8(x_69, sizeof(void*)*2, x_60);
+x_70 = lean_alloc_ctor(3, 2, 0);
+lean_ctor_set(x_70, 0, x_19);
+lean_ctor_set(x_70, 1, x_69);
+x_71 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_71, 0, x_67);
+lean_ctor_set(x_71, 1, x_70);
+lean_ctor_set_uint8(x_71, sizeof(void*)*2, x_60);
+x_72 = lean_format_group(x_71);
+x_73 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_73, 0, x_62);
+lean_ctor_set(x_73, 1, x_72);
+lean_ctor_set_uint8(x_73, sizeof(void*)*2, x_60);
+x_22 = x_73;
+goto block_59;
+}
+}
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_56 = l_Lean_ppGoal___closed__6;
-x_57 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_57, 0, x_49);
-lean_ctor_set(x_57, 1, x_56);
-lean_ctor_set_uint8(x_57, sizeof(void*)*2, x_40);
-x_58 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_38);
-lean_ctor_set_uint8(x_58, sizeof(void*)*2, x_40);
-x_59 = lean_alloc_ctor(4, 2, 1);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_20);
-lean_ctor_set_uint8(x_59, sizeof(void*)*2, x_40);
-return x_59;
+if (lean_obj_tag(x_13) == 0)
+{
+lean_dec(x_14);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = x_15;
+goto block_59;
+}
+else
+{
+if (lean_obj_tag(x_14) == 0)
+{
+lean_dec(x_13);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = x_15;
+goto block_59;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t 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_84; lean_object* x_85; lean_object* x_86; 
+x_74 = lean_ctor_get(x_14, 0);
+lean_inc(x_74);
+lean_dec(x_14);
+x_75 = l_Lean_Format_flatten___main___closed__1;
+x_76 = l_Lean_Format_joinSep___main___at_Lean_ppGoal___spec__1(x_13, x_75);
+x_77 = 0;
+x_78 = l_Array_iterateMAux___main___at_Lean_ppGoal___spec__6___closed__2;
+x_79 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_79, 0, x_76);
+lean_ctor_set(x_79, 1, x_78);
+lean_ctor_set_uint8(x_79, sizeof(void*)*2, x_77);
+x_80 = l_Lean_ppExpr(x_1, x_2, x_3, x_4, x_74);
+x_81 = lean_box(1);
+x_82 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_82, 0, x_81);
+lean_ctor_set(x_82, 1, x_80);
+lean_ctor_set_uint8(x_82, sizeof(void*)*2, x_77);
+x_83 = lean_alloc_ctor(3, 2, 0);
+lean_ctor_set(x_83, 0, x_19);
+lean_ctor_set(x_83, 1, x_82);
+x_84 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_84, 0, x_79);
+lean_ctor_set(x_84, 1, x_83);
+lean_ctor_set_uint8(x_84, sizeof(void*)*2, x_77);
+x_85 = lean_format_group(x_84);
+x_86 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_86, 0, x_15);
+lean_ctor_set(x_86, 1, x_85);
+lean_ctor_set_uint8(x_86, sizeof(void*)*2, x_77);
+x_22 = x_86;
+goto block_59;
+}
+}
+}
+block_59:
+{
+uint8_t x_23; 
+x_23 = l_Lean_Format_isNil(x_22);
+if (x_23 == 0)
+{
+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; 
+x_24 = 0;
+x_25 = lean_box(1);
+x_26 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_26, 0, x_22);
+lean_ctor_set(x_26, 1, x_25);
+lean_ctor_set_uint8(x_26, sizeof(void*)*2, x_24);
+x_27 = l_Lean_ppGoal___closed__6;
+x_28 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+lean_ctor_set_uint8(x_28, sizeof(void*)*2, x_24);
+x_29 = l_Lean_Format_flatten___main___closed__1;
+x_30 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2, x_24);
+x_31 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_31, 0, x_30);
+lean_ctor_set(x_31, 1, x_20);
+lean_ctor_set_uint8(x_31, sizeof(void*)*2, x_24);
+if (lean_obj_tag(x_21) == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_41; 
+x_41 = lean_box(0);
+x_32 = x_41;
+goto block_40;
+}
+block_40:
+{
+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_dec(x_32);
+x_33 = l_Lean_Name_toString___closed__1;
+x_34 = l_Lean_Name_toStringWithSep___main(x_33, x_21);
+x_35 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_35, 0, x_34);
+x_36 = l_Lean_ppGoal___closed__8;
+x_37 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_35);
+lean_ctor_set_uint8(x_37, sizeof(void*)*2, x_24);
+x_38 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_25);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2, x_24);
+x_39 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_31);
+lean_ctor_set_uint8(x_39, sizeof(void*)*2, x_24);
+return x_39;
+}
+}
+else
+{
+uint8_t 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_42 = 0;
+x_43 = l_Lean_ppGoal___closed__6;
+x_44 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_44, 0, x_22);
+lean_ctor_set(x_44, 1, x_43);
+lean_ctor_set_uint8(x_44, sizeof(void*)*2, x_42);
+x_45 = l_Lean_Format_flatten___main___closed__1;
+x_46 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+lean_ctor_set_uint8(x_46, sizeof(void*)*2, x_42);
+x_47 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_20);
+lean_ctor_set_uint8(x_47, sizeof(void*)*2, x_42);
+if (lean_obj_tag(x_21) == 0)
+{
+return x_47;
+}
+else
+{
+lean_object* x_58; 
+x_58 = lean_box(0);
+x_48 = x_58;
+goto block_57;
+}
+block_57:
+{
+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_dec(x_48);
+x_49 = l_Lean_Name_toString___closed__1;
+x_50 = l_Lean_Name_toStringWithSep___main(x_49, x_21);
+x_51 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_51, 0, x_50);
+x_52 = l_Lean_ppGoal___closed__8;
+x_53 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_51);
+lean_ctor_set_uint8(x_53, sizeof(void*)*2, x_42);
+x_54 = lean_box(1);
+x_55 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
+lean_ctor_set_uint8(x_55, sizeof(void*)*2, x_42);
+x_56 = lean_alloc_ctor(4, 2, 1);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_47);
+lean_ctor_set_uint8(x_56, sizeof(void*)*2, x_42);
+return x_56;
 }
 }
 }
@@ -4306,6 +4340,10 @@ l_Lean_ppGoal___closed__5 = _init_l_Lean_ppGoal___closed__5();
 lean_mark_persistent(l_Lean_ppGoal___closed__5);
 l_Lean_ppGoal___closed__6 = _init_l_Lean_ppGoal___closed__6();
 lean_mark_persistent(l_Lean_ppGoal___closed__6);
+l_Lean_ppGoal___closed__7 = _init_l_Lean_ppGoal___closed__7();
+lean_mark_persistent(l_Lean_ppGoal___closed__7);
+l_Lean_ppGoal___closed__8 = _init_l_Lean_ppGoal___closed__8();
+lean_mark_persistent(l_Lean_ppGoal___closed__8);
 return lean_mk_io_result(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Init/Lean/Util/WHNF.c b/stage0/stdlib/Init/Lean/Util/WHNF.c
index b78c804377..f64d7f9a28 100644
--- a/stage0/stdlib/Init/Lean/Util/WHNF.c
+++ b/stage0/stdlib/Init/Lean/Util/WHNF.c
@@ -98,6 +98,7 @@ lean_object* l___private_Init_Lean_Util_WHNF_4__getRecRuleFor___lambda__1___boxe
 lean_object* l_Lean_WHNF_whnfCore___main___rarg___lambda__7(lean_object*, 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*);
 lean_object* l_Lean_WHNF_whnfMain(lean_object*);
+lean_object* l_Lean_Syntax_mreplace___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_whnfCore(lean_object*);
 uint8_t l_Lean_ConstantInfo_hasValue(lean_object*);
 lean_object* l_Lean_WHNF_whnfMain___main___boxed(lean_object*);
@@ -110,7 +111,6 @@ uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_unfoldDefinitionAux___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Util_WHNF_2__mkNullaryCtor___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_WHNF_reduceRec___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* l_Lean_WHNF_whnfCore___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_smartUnfoldingSuffix;
 lean_object* l_Lean_WHNF_reduceQuotRec___boxed(lean_object*, lean_object*);
@@ -186,7 +186,7 @@ lean_object* l___private_Init_Lean_Util_WHNF_10__whnfCoreUnstuck___main___rarg(l
 lean_object* l___private_Init_Lean_Util_WHNF_3__toCtorIfLit___closed__3;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Util_WHNF_8__deltaDefinition___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_WHNF_reduceRec___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_WHNF_reduceRec___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*);
 lean_object* l_Lean_WHNF_reduceQuotRec___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_whnfEasyCases___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Util_WHNF_5__toCtorWhenK___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1165,40 +1165,7 @@ return x_42;
 }
 }
 }
-lean_object* l_Lean_WHNF_reduceRec___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_ctor_get(x_1, 0);
-lean_inc(x_4);
-lean_dec(x_1);
-x_5 = lean_ctor_get(x_4, 1);
-lean_inc(x_5);
-lean_dec(x_4);
-x_6 = lean_apply_2(x_5, lean_box(0), x_2);
-return x_6;
-}
-else
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-lean_dec(x_2);
-x_7 = lean_ctor_get(x_1, 0);
-lean_inc(x_7);
-lean_dec(x_1);
-x_8 = lean_ctor_get(x_7, 1);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = lean_ctor_get(x_3, 0);
-lean_inc(x_9);
-lean_dec(x_3);
-x_10 = lean_apply_2(x_8, lean_box(0), x_9);
-return x_10;
-}
-}
-}
-lean_object* l_Lean_WHNF_reduceRec___rarg___lambda__3(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* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+lean_object* l_Lean_WHNF_reduceRec___rarg___lambda__2(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* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 uint8_t x_15; lean_object* x_16; 
@@ -1236,7 +1203,7 @@ lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24;
 lean_inc(x_14);
 lean_inc(x_8);
 x_21 = l___private_Init_Lean_Util_WHNF_5__toCtorWhenK___rarg(x_8, x_10, x_11, x_12, x_13, x_1, x_14);
-x_22 = lean_alloc_closure((void*)(l_Lean_WHNF_reduceRec___rarg___lambda__2), 3, 2);
+x_22 = lean_alloc_closure((void*)(l_Lean_Syntax_mreplace___main___rarg___lambda__1), 3, 2);
 lean_closure_set(x_22, 0, x_8);
 lean_closure_set(x_22, 1, x_14);
 lean_inc(x_9);
@@ -1280,7 +1247,7 @@ lean_inc(x_17);
 lean_inc(x_3);
 x_18 = lean_apply_1(x_3, x_16);
 lean_inc(x_17);
-x_19 = lean_alloc_closure((void*)(l_Lean_WHNF_reduceRec___rarg___lambda__3), 14, 13);
+x_19 = lean_alloc_closure((void*)(l_Lean_WHNF_reduceRec___rarg___lambda__2), 14, 13);
 lean_closure_set(x_19, 0, x_6);
 lean_closure_set(x_19, 1, x_9);
 lean_closure_set(x_19, 2, x_7);