diff --git a/stage0/src/Init/Control/Lawful.lean b/stage0/src/Init/Control/Lawful.lean
index ded479811c..ccca583101 100644
--- a/stage0/src/Init/Control/Lawful.lean
+++ b/stage0/src/Init/Control/Lawful.lean
@@ -113,7 +113,7 @@ theorem ext [Monad m] {x y : ExceptT ε m α} (h : x.run = y.run) : x = y := by
 
 @[simp] theorem run_pure [Monad m] (x : α) : run (pure x : ExceptT ε m α) = pure (Except.ok x) := rfl
 
-@[simp] theorem run_lift {α β ε : Type u} [Monad m] (x : m α) : run (ExceptT.lift x : ExceptT ε m α) = (Except.ok <$> x : m (Except ε α)) := rfl
+@[simp] theorem run_lift  [Monad.{u, v} m] (x : m α) : run (ExceptT.lift x : ExceptT ε m α) = (Except.ok <$> x : m (Except ε α)) := rfl
 
 @[simp] theorem run_throw [Monad m] : run (throw e : ExceptT ε m β) = pure (Except.error e) := rfl
 
diff --git a/stage0/src/Init/Data/Nat/Basic.lean b/stage0/src/Init/Data/Nat/Basic.lean
index febecc8c53..83462fc9d9 100644
--- a/stage0/src/Init/Data/Nat/Basic.lean
+++ b/stage0/src/Init/Data/Nat/Basic.lean
@@ -606,6 +606,20 @@ protected theorem mul_sub_right_distrib (n m k : Nat) : (n - m) * k = n * k - m
 protected theorem mul_sub_left_distrib (n m k : Nat) : n * (m - k) = n * m - n * k := by
   rw [Nat.mul_comm, Nat.mul_sub_right_distrib, Nat.mul_comm m n, Nat.mul_comm n k]
 
+/- Helper normalization theorems -/
+
+theorem not_le_eq (a b : Nat) : (¬ (a ≤ b)) = (b + 1 ≤ a) :=
+  propext <| Iff.intro (fun h => Nat.gt_of_not_le h) (fun h => Nat.not_le_of_gt h)
+
+theorem not_ge_eq (a b : Nat) : (¬ (a ≥ b)) = (a + 1 ≤ b) :=
+  not_le_eq b a
+
+theorem not_lt_eq (a b : Nat) : (¬ (a < b)) = (b ≤ a) :=
+  propext <| Iff.intro (fun h => have h := Nat.succ_le_of_lt (Nat.gt_of_not_le h); Nat.le_of_succ_le_succ h) (fun h => Nat.not_le_of_gt (Nat.succ_le_succ h))
+
+theorem not_gt_eq (a b : Nat) : (¬ (a > b)) = (a ≤ b) :=
+  not_lt_eq b a
+
 end Nat
 
 namespace Prod
diff --git a/stage0/src/Init/Data/Nat/Linear.lean b/stage0/src/Init/Data/Nat/Linear.lean
index 544ac13113..73c5cbf809 100644
--- a/stage0/src/Init/Data/Nat/Linear.lean
+++ b/stage0/src/Init/Data/Nat/Linear.lean
@@ -137,8 +137,11 @@ def Expr.toPoly : Expr → Poly
   | Expr.mulL k a => a.toPoly.mul k
   | Expr.mulR a k => a.toPoly.mul k
 
+def Poly.norm (p : Poly) : Poly :=
+  p.sort.fuse
+
 def Expr.toNormPoly (e : Expr) : Poly :=
-  e.toPoly.sort.fuse
+  e.toPoly.norm
 
 def Expr.inc (e : Expr) : Expr :=
    Expr.add e (Expr.num 1)
@@ -490,7 +493,7 @@ theorem Expr.denote_toPoly (ctx : Context) (e : Expr) : e.toPoly.denote ctx = e.
 attribute [local simp] Expr.denote_toPoly
 
 theorem Expr.eq_of_toNormPoly (ctx : Context) (a b : Expr) (h : a.toNormPoly = b.toNormPoly) : a.denote ctx = b.denote ctx := by
-  simp [toNormPoly] at h
+  simp [toNormPoly, Poly.norm] at h
   have h := congrArg (Poly.denote ctx) h
   simp at h
   assumption
@@ -498,13 +501,13 @@ theorem Expr.eq_of_toNormPoly (ctx : Context) (a b : Expr) (h : a.toNormPoly = b
 theorem Expr.of_cancel_eq (ctx : Context) (a b c d : Expr) (h : Poly.cancel a.toNormPoly b.toNormPoly = (c.toPoly, d.toPoly)) : (a.denote ctx = b.denote ctx) = (c.denote ctx = d.denote ctx) := by
   have := Poly.denote_eq_cancel_eq ctx a.toNormPoly b.toNormPoly
   rw [h] at this
-  simp [toNormPoly, Poly.denote_eq] at this
+  simp [toNormPoly, Poly.norm, Poly.denote_eq] at this
   exact this.symm
 
 theorem Expr.of_cancel_le (ctx : Context) (a b c d : Expr) (h : Poly.cancel a.toNormPoly b.toNormPoly = (c.toPoly, d.toPoly)) : (a.denote ctx ≤ b.denote ctx) = (c.denote ctx ≤ d.denote ctx) := by
   have := Poly.denote_le_cancel_eq ctx a.toNormPoly b.toNormPoly
   rw [h] at this
-  simp [toNormPoly, Poly.denote_le] at this
+  simp [toNormPoly, Poly.norm,Poly.denote_le] at this
   exact this.symm
 
 theorem Expr.of_cancel_lt (ctx : Context) (a b c d : Expr) (h : Poly.cancel a.inc.toNormPoly b.toNormPoly = (c.inc.toPoly, d.toPoly)) : (a.denote ctx < b.denote ctx) = (c.denote ctx < d.denote ctx) :=
@@ -526,8 +529,8 @@ theorem ExprCnstr.denote_toNormPoly (ctx : Context) (c : ExprCnstr) : c.toNormPo
   cases c; rename_i eq lhs rhs
   simp [ExprCnstr.denote, PolyCnstr.denote, ExprCnstr.toNormPoly]
   by_cases h : eq = true <;> simp [h]
-  . rw [Poly.denote_eq_cancel_eq]; simp [Poly.denote_eq, Expr.toNormPoly]
-  . rw [Poly.denote_le_cancel_eq]; simp [Poly.denote_le, Expr.toNormPoly]
+  . rw [Poly.denote_eq_cancel_eq]; simp [Poly.denote_eq, Expr.toNormPoly, Poly.norm]
+  . rw [Poly.denote_le_cancel_eq]; simp [Poly.denote_le, Expr.toNormPoly, Poly.norm]
 
 attribute [local simp] ExprCnstr.denote_toNormPoly
 
@@ -671,4 +674,9 @@ theorem ExprCnstr.eq_of_toNormPoly_eq (ctx : Context) (c d : ExprCnstr) (h : c.t
   simp at h
   assumption
 
+theorem Expr.eq_of_toNormPoly_eq (ctx : Context) (e e' : Expr) (h : e.toNormPoly == e'.toPoly) : e.denote ctx = e'.denote ctx := by
+  have h := congrArg (Poly.denote ctx) (eq_of_beq h)
+  simp [Expr.toNormPoly, Poly.norm] at h
+  assumption
+
 end Nat.Linear
diff --git a/stage0/src/Init/Meta.lean b/stage0/src/Init/Meta.lean
index 222139c82a..37cf5e5163 100644
--- a/stage0/src/Init/Meta.lean
+++ b/stage0/src/Init/Meta.lean
@@ -1008,7 +1008,7 @@ structure Config where
   iota              : Bool := true
   proj              : Bool := true
   decide            : Bool := true
-  arith             : Bool := true
+  arith             : Bool := false
   deriving Inhabited, BEq, Repr
 
 -- Configuration object for `simp_all`
@@ -1041,6 +1041,18 @@ namespace Parser.Tactic
 macro "erw " s:rwRuleSeq loc:(location)? : tactic =>
   `(rw (config := { transparency := Lean.Meta.TransparencyMode.default }) $s:rwRuleSeq $[$(loc.getOptional?):location]?)
 
+/-- Similar to `simp` but with `arith := true` -/
+syntax (name := simpArith) "simp_arith " (config)? (discharger)? (&"only ")? ("[" (simpStar <|> simpErase <|> simpLemma),* "]")? (location)? : tactic
+
+@[macro simpArith] def expandSimpArith : Macro := fun s => do
+  let c ← match s[1][0] with
+    | `(config| (config := $c:term)) => `(config| (config := { ($c : Lean.Meta.Simp.Config) with arith := true }))
+    | _ => `(config| (config := { arith := true }))
+  let s := s.setKind ``simp
+  let s := s.setArg 0 (mkAtomFrom s[0] "simp")
+  let r := s.setArg 1 (mkNullNode #[c])
+  return r
+
 end Parser.Tactic
 
 end Lean
diff --git a/stage0/src/Init/Notation.lean b/stage0/src/Init/Notation.lean
index 13a8f71265..1525a1585c 100644
--- a/stage0/src/Init/Notation.lean
+++ b/stage0/src/Init/Notation.lean
@@ -439,6 +439,8 @@ macro_rules | `(tactic| trivial) => `(tactic| apply And.intro <;> trivial)
 
 macro "unhygienic " t:tacticSeq : tactic => `(set_option tactic.hygienic false in $t:tacticSeq)
 
+syntax (name := fail) "fail " (str)? : tactic
+
 end Tactic
 
 namespace Attr
diff --git a/stage0/src/Init/WFTactics.lean b/stage0/src/Init/WFTactics.lean
index 189e2a3a91..4e42e23d23 100644
--- a/stage0/src/Init/WFTactics.lean
+++ b/stage0/src/Init/WFTactics.lean
@@ -18,6 +18,8 @@ macro "decreasing_tactic" : tactic =>
     | apply Nat.pred_lt'; assumption           -- i-1 < i if j < i
     | apply Nat.sub_succ_lt_self; assumption   -- a - (i+1) < a - i if i < a
     | assumption
+    | simp (config := { arith := true }); done
+    | fail "failed to prove termination, possible solutions:\n  - Use `have`-expressions to prove the remaining goals\n  - Use `termination_by` to specify a different well-founded relation\n  - Use `decreasing_by` to specity your own tactic for discharging this kind of goal"
     -- TODO: linearith
     -- TODO: improve
 ))
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
index 52b7ffa968..c718fd2a81 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
@@ -79,13 +79,13 @@ def getFixedPrefix (preDefs : Array PreDefinition) : TermElabM Nat :=
     resultRef.get
 
 def wfRecursion (preDefs : Array PreDefinition) (wf? : Option TerminationWF) (decrTactic? : Option Syntax) : TermElabM Unit := do
-  let fixedPrefixSize ← getFixedPrefix preDefs
-  trace[Elab.definition.wf] "fixed prefix: {fixedPrefixSize}"
-  let unaryPreDef ← withoutModifyingEnv do
+  let (unaryPreDef, fixedPrefixSize) ← withoutModifyingEnv do
     for preDef in preDefs do
       addAsAxiom preDef
+    let fixedPrefixSize ← getFixedPrefix preDefs
+    trace[Elab.definition.wf] "fixed prefix: {fixedPrefixSize}"
     let unaryPreDefs ← packDomain fixedPrefixSize preDefs
-    packMutual fixedPrefixSize unaryPreDefs
+    return (← packMutual fixedPrefixSize unaryPreDefs, fixedPrefixSize)
   let preDefNonRec ← forallBoundedTelescope unaryPreDef.type fixedPrefixSize fun prefixArgs type => do
     let packedArgType := type.bindingDomain!
     let wfRel ← elabWFRel preDefs unaryPreDef.declName fixedPrefixSize packedArgType wf?
diff --git a/stage0/src/Lean/Elab/Tactic/Basic.lean b/stage0/src/Lean/Elab/Tactic/Basic.lean
index 7bdc1ffd4b..f9377f3a01 100644
--- a/stage0/src/Lean/Elab/Tactic/Basic.lean
+++ b/stage0/src/Lean/Elab/Tactic/Basic.lean
@@ -26,7 +26,7 @@ def admitGoal (mvarId : MVarId) : MetaM Unit :=
     assignExprMVar mvarId (← mkSorry mvarType (synthetic := true))
 
 def goalsToMessageData (goals : List MVarId) : MessageData :=
-  MessageData.joinSep (goals.map $ MessageData.ofGoal) m!"\n\n"
+  MessageData.joinSep (goals.map MessageData.ofGoal) m!"\n\n"
 
 def Term.reportUnsolvedGoals (goals : List MVarId) : TermElabM Unit :=
   withPPInaccessibleNames do
diff --git a/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean b/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
index be8c5c0cdf..2b8a595d25 100644
--- a/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
+++ b/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
@@ -273,4 +273,15 @@ where
     else
       evalTactic tacs[i][1] <|> loop tacs (i+1)
 
+@[builtinTactic «fail»] def evalFail : Tactic := fun stx => do
+  let goals ← getGoals
+  let goalsMsg := MessageData.joinSep (goals.map MessageData.ofGoal) m!"\n\n"
+  match stx with
+  | `(tactic| fail)      => throwError "tactic 'fail' failed\n{goalsMsg}"
+  | `(tactic| fail $msg) =>
+    match msg.isStrLit? with
+    | none     => throwIllFormedSyntax
+    | some msg => throwError "{msg}\n{goalsMsg}"
+  | _ => throwUnsupportedSyntax
+
 end Lean.Elab.Tactic
diff --git a/stage0/src/Lean/Meta/AppBuilder.lean b/stage0/src/Lean/Meta/AppBuilder.lean
index b2aa39fb54..4210a03eaa 100644
--- a/stage0/src/Lean/Meta/AppBuilder.lean
+++ b/stage0/src/Lean/Meta/AppBuilder.lean
@@ -537,6 +537,24 @@ def mkSub (a b : Expr) : MetaM Expr := mkBinaryOp ``HSub ``HSub.hSub a b
 /-- Return `a * b` using a heterogeneous `*`. This method assumes `a` and `b` have the same type. -/
 def mkMul (a b : Expr) : MetaM Expr := mkBinaryOp ``HMul ``HMul.hMul a b
 
+/--
+  Return `a r b`, where `r` has name `rName` and is implemented using the typeclass `className`.
+  This method assumes `a` and `b` have the same type.
+  Examples of supported clases: `LE` and `LT`.
+  We use heterogeneous operators to ensure we have a uniform representation.
+  -/
+private def mkBinaryRel (className : Name) (rName : Name) (a b : Expr) : MetaM Expr := do
+  let aType ← inferType a
+  let u ← getDecLevel aType
+  let inst ← synthInstance (mkApp (mkConst className [u]) aType)
+  return mkApp4 (mkConst rName [u]) aType inst a b
+
+/-- Return `a ≤ b`. This method assumes `a` and `b` have the same type. -/
+def mkLE (a b : Expr) : MetaM Expr := mkBinaryRel ``LE ``LE.le a b
+
+/-- Return `a < b`. This method assumes `a` and `b` have the same type. -/
+def mkLT (a b : Expr) : MetaM Expr := mkBinaryRel ``LT ``LT.lt a b
+
 builtin_initialize registerTraceClass `Meta.appBuilder
 
 end Lean.Meta
diff --git a/stage0/src/Lean/Meta/Tactic/Acyclic.lean b/stage0/src/Lean/Meta/Tactic/Acyclic.lean
new file mode 100644
index 0000000000..c163e49ed7
--- /dev/null
+++ b/stage0/src/Lean/Meta/Tactic/Acyclic.lean
@@ -0,0 +1,55 @@
+/-
+Copyright (c) 2022 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+import Lean.Meta.MatchUtil
+import Lean.Meta.Tactic.Simp.Main
+
+namespace Lean.Meta
+
+private def isTarget (lhs rhs : Expr) : MetaM Bool := do
+  if !lhs.isFVar || !lhs.occurs rhs then
+    return false
+  else
+    return rhs.isConstructorApp (← getEnv)
+
+/--
+  Close the given goal if `h` is a proof for an equality such as `as = a :: as`.
+  Inductive datatypes in Lean are acyclic.
+-/
+def acyclic (mvarId : MVarId) (h : Expr) : MetaM Bool := withMVarContext mvarId do
+  let type ← whnfD (← inferType h)
+  trace[Meta.Tactic.acyclic] "type: {type}"
+  let some (_, lhs, rhs) := type.eq? | return false
+  if (← isTarget lhs rhs) then
+    go h lhs rhs
+  else if (← isTarget rhs lhs) then
+    go (← mkEqSymm h) rhs lhs
+  else
+    return false
+where
+  go (h lhs rhs : Expr) : MetaM Bool := do
+    try
+      let sizeOf_lhs ← mkAppM ``sizeOf #[lhs]
+      let sizeOf_rhs ← mkAppM ``sizeOf #[rhs]
+      let sizeOfEq ← mkLT sizeOf_lhs sizeOf_rhs
+      let hlt ← mkFreshExprSyntheticOpaqueMVar sizeOfEq
+      -- TODO: we only need the `sizeOf` simp theorems
+      match (← simpTarget hlt.mvarId! { config.arith := true, simpTheorems := (← getSimpTheorems) }) with
+      | some _ => return false
+      | none   =>
+        let heq ← mkCongrArg sizeOf_lhs.appFn! (← mkEqSymm h)
+        let hlt_self ← mkAppM ``Nat.lt_of_lt_of_eq #[hlt, heq]
+        let hlt_irrelf ← mkAppM ``Nat.lt_irrefl #[sizeOf_lhs]
+        assignExprMVar mvarId (← mkFalseElim (← getMVarType mvarId) (mkApp hlt_irrelf hlt_self))
+        trace[Meta.Tactic.acyclic] "succeeded"
+        return true
+    catch ex =>
+      trace[Meta.Tactic.acyclic] "failed with\n{ex.toMessageData}"
+      return false
+
+builtin_initialize
+  registerTraceClass `Meta.Tactic.acyclic
+
+end Lean.Meta
diff --git a/stage0/src/Lean/Meta/Tactic/Cases.lean b/stage0/src/Lean/Meta/Tactic/Cases.lean
index 968bac7522..141783c631 100644
--- a/stage0/src/Lean/Meta/Tactic/Cases.lean
+++ b/stage0/src/Lean/Meta/Tactic/Cases.lean
@@ -8,6 +8,7 @@ import Lean.Meta.Tactic.Induction
 import Lean.Meta.Tactic.Injection
 import Lean.Meta.Tactic.Assert
 import Lean.Meta.Tactic.Subst
+import Lean.Meta.Tactic.Acyclic
 
 namespace Lean.Meta
 
@@ -228,13 +229,14 @@ partial def unifyEqs (numEqs : Nat) (mvarId : MVarId) (subst : FVarSubst) (caseN
           /- Remark: we use `let rec` here because otherwise the compiler would generate an insane amount of code.
             We can remove the `rec` after we fix the eagerly inlining issue in the compiler. -/
           let rec substEq (symm : Bool) := do
-            /- TODO: support for acyclicity (e.g., `xs ≠ x :: xs`) -/
             /- Remark: `substCore` fails if the equation is of the form `x = x` -/
             if let some (substNew, mvarId) ← observing? (substCore mvarId eqFVarId symm subst) then
               unifyEqs (numEqs - 1) mvarId substNew caseName?
             else if (← isDefEq a b) then
               /- Skip equality -/
               unifyEqs (numEqs - 1) (← clear mvarId eqFVarId) subst caseName?
+            else if (← acyclic mvarId (mkFVar eqFVarId)) then
+              pure none -- this alternative has been solved
             else
               throwError "dependent elimination failed, failed to solve equation{indentExpr eqDecl.type}"
           let rec injection (a b : Expr) := do
diff --git a/stage0/src/Lean/Meta/Tactic/LinearArith.lean b/stage0/src/Lean/Meta/Tactic/LinearArith.lean
index 139a7e7637..cadcc6067f 100644
--- a/stage0/src/Lean/Meta/Tactic/LinearArith.lean
+++ b/stage0/src/Lean/Meta/Tactic/LinearArith.lean
@@ -3,5 +3,7 @@ Copyright (c) 2022 Sebastian Ullrich. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Sebastian Ullrich
 -/
-import Lean.Meta.Tactic.LinearArith.Basic
+import Lean.Meta.Tactic.LinearArith.Solver
 import Lean.Meta.Tactic.LinearArith.Nat
+import Lean.Meta.Tactic.LinearArith.Main
+import Lean.Meta.Tactic.LinearArith.Simp
diff --git a/stage0/src/Lean/Meta/Tactic/LinearArith/Main.lean b/stage0/src/Lean/Meta/Tactic/LinearArith/Main.lean
new file mode 100644
index 0000000000..7145f38cc3
--- /dev/null
+++ b/stage0/src/Lean/Meta/Tactic/LinearArith/Main.lean
@@ -0,0 +1,10 @@
+/-
+Copyright (c) 2022 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+import Lean.Meta.Tactic.LinearArith.Nat
+
+namespace Lean.Meta.Linear
+
+end Lean.Meta.Linear
diff --git a/stage0/src/Lean/Meta/Tactic/LinearArith/Nat.lean b/stage0/src/Lean/Meta/Tactic/LinearArith/Nat.lean
index 13f44e098b..0d59167217 100644
--- a/stage0/src/Lean/Meta/Tactic/LinearArith/Nat.lean
+++ b/stage0/src/Lean/Meta/Tactic/LinearArith/Nat.lean
@@ -123,7 +123,12 @@ partial def toLinearCnstr? (e : Expr) : M (Option LinearCnstr) := do
       return some { eq := false, lhs := (← toLinearExpr (e.getArg! 0)), rhs := (← toLinearExpr (e.getArg! 1)) }
     else if declName == ``Nat.lt && numArgs == 2 then
       return some { eq := false, lhs := (← toLinearExpr (e.getArg! 0)).inc, rhs := (← toLinearExpr (e.getArg! 1)) }
-    else if numArgs == 4 && (declName == ``LE.le || declName == ``GE.ge || declName == ``LT.lt || declName == ``GT.gt) then
+    else if numArgs == 4 && (declName == ``GE.ge || declName == ``GT.gt) then
+      if let some e ← unfoldDefinition? e then
+        toLinearCnstr? e
+      else
+        return none
+    else if numArgs == 4 && (declName == ``LE.le || declName == ``LT.lt) then
       if (← isDefEq (e.getArg! 0) (mkConst ``Nat)) then
         if let some e ← unfoldProjInst? e then
           toLinearCnstr? e
@@ -149,7 +154,7 @@ def toContextExpr (ctx : Array Expr) : MetaM Expr := do
 def reflTrue : Expr :=
   mkApp2 (mkConst ``Eq.refl [levelOne]) (mkConst ``Bool) (mkConst ``Bool.true)
 
-def simpCnstr? (e : Expr) : MetaM (Option (Expr × Expr)) := do
+def simpCnstrPos? (e : Expr) : MetaM (Option (Expr × Expr)) := do
   let (some c, ctx) ← ToLinear.run (ToLinear.toLinearCnstr? e) | return none
   let c₁ := c.toPoly
   let c₂ := c₁.norm
@@ -159,7 +164,7 @@ def simpCnstr? (e : Expr) : MetaM (Option (Expr × Expr)) := do
   else if c₂.isValid then
     let p := mkApp3 (mkConst ``Nat.Linear.ExprCnstr.eq_true_of_isValid) (← toContextExpr ctx) (toExpr c) reflTrue
     return some (mkConst ``True, p)
-  else if c₂.hasFewerMonomials c₁ then
+  else if c₁ != c₂ then
     let c₂ : LinearCnstr := c₂.toExpr
     let p := mkApp4 (mkConst ``Nat.Linear.ExprCnstr.eq_of_toNormPoly_eq) (← toContextExpr ctx) (toExpr c) (toExpr c₂) reflTrue
     let r ← c₂.toArith ctx
@@ -167,4 +172,45 @@ def simpCnstr? (e : Expr) : MetaM (Option (Expr × Expr)) := do
   else
     return none
 
+def simpCnstr? (e : Expr) : MetaM (Option (Expr × Expr)) := do
+  if let some arg := e.not? then
+    let mut eNew?   := none
+    let mut thmName := Name.anonymous
+    if arg.isAppOfArity ``LE.le 4 then
+      eNew?   := some (← mkLE (← mkAdd (arg.getArg! 3) (mkNatLit 1)) (arg.getArg! 2))
+      thmName := ``Nat.not_le_eq
+    else if arg.isAppOfArity ``GE.ge 4 then
+      eNew?   := some (← mkLE (← mkAdd (arg.getArg! 2) (mkNatLit 1)) (arg.getArg! 3))
+      thmName := ``Nat.not_ge_eq
+    else if arg.isAppOfArity ``LT.lt 4 then
+      eNew?   := some (← mkLE (arg.getArg! 3) (arg.getArg! 2))
+      thmName := ``Nat.not_lt_eq
+    else if arg.isAppOfArity ``GT.gt 4 then
+      eNew?   := some (← mkLE (arg.getArg! 2) (arg.getArg! 3))
+      thmName := ``Nat.not_gt_eq
+    if let some eNew := eNew? then
+      if let some (eNew', h₂) ← simpCnstrPos? eNew then
+        let h₁ := mkApp2 (mkConst thmName) (arg.getArg! 2) (arg.getArg! 3)
+        let h  := mkApp6 (mkConst ``Eq.trans [levelOne]) (mkSort levelZero) e eNew eNew' h₁ h₂
+        return some (eNew', h)
+      else
+        return none
+    else
+      return none
+  else
+    simpCnstrPos? e
+
+def simpExpr? (e : Expr) : MetaM (Option (Expr × Expr)) := do
+  let (e, ctx) ← ToLinear.run (ToLinear.toLinearExpr e)
+  let p  := e.toPoly
+  let p' := p.norm
+  if p'.length < p.length then
+    -- We only return some if monomials were fused
+    let e' : LinearExpr := p'.toExpr
+    let p := mkApp4 (mkConst ``Nat.Linear.Expr.eq_of_toNormPoly_eq) (← toContextExpr ctx) (toExpr e) (toExpr e') reflTrue
+    let r ← e'.toArith ctx
+    return some (r, p)
+  else
+    return none
+
 end Lean.Meta.Linear.Nat
diff --git a/stage0/src/Lean/Meta/Tactic/LinearArith/Simp.lean b/stage0/src/Lean/Meta/Tactic/LinearArith/Simp.lean
new file mode 100644
index 0000000000..a7ca71b874
--- /dev/null
+++ b/stage0/src/Lean/Meta/Tactic/LinearArith/Simp.lean
@@ -0,0 +1,48 @@
+/-
+Copyright (c) 2022 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+import Lean.Meta.Tactic.LinearArith.Nat
+
+namespace Lean.Meta.Linear
+
+/-- Quick filter simpExpr? -/
+private partial def isSimpExprTarget (e : Expr) : Bool :=
+  let f := e.getAppFn
+  if !f.isConst then
+    false
+  else
+    let n := f.constName!
+    n == ``HAdd.hAdd || n == ``HMul.hMul || n == ``HSub.hSub || n == ``Nat.succ
+
+/-- Quick filter simpCnstr? -/
+private partial def isSimpCnstrTarget (e : Expr) : Bool :=
+  let f := e.getAppFn
+  if !f.isConst then
+    false
+  else
+    let n := f.constName!
+    if n == ``Eq || n == ``LT.lt || n == ``LE.le || n == ``GT.gt || n == ``GE.ge then
+      true
+    else if n == ``Not && e.getAppNumArgs == 1 then
+      isSimpCnstrTarget e.appArg!
+    else
+      false
+
+private def parentIsTarget (parent? : Option Expr) : Bool :=
+  match parent? with
+  | none => false
+  | some parent => isSimpExprTarget parent || isSimpCnstrTarget parent
+
+def simp? (e : Expr) (parent? : Option Expr) : MetaM (Option (Expr × Expr)) := do
+  -- TODO: add support for `Int` and arbitrary ordered comm rings
+  if isSimpCnstrTarget e then
+    Nat.simpCnstr? e
+  else if isSimpExprTarget e && !parentIsTarget parent? then
+    trace[Meta.Tactic.simp] "arith expr: {e}"
+    Nat.simpExpr? e
+  else
+    return none
+
+end Lean.Meta.Linear
diff --git a/stage0/src/Lean/Meta/Tactic/LinearArith/Basic.lean b/stage0/src/Lean/Meta/Tactic/LinearArith/Solver.lean
similarity index 100%
rename from stage0/src/Lean/Meta/Tactic/LinearArith/Basic.lean
rename to stage0/src/Lean/Meta/Tactic/LinearArith/Solver.lean
diff --git a/stage0/src/Lean/Meta/Tactic/Simp/Main.lean b/stage0/src/Lean/Meta/Tactic/Simp/Main.lean
index 78c728c6ed..6784a85884 100644
--- a/stage0/src/Lean/Meta/Tactic/Simp/Main.lean
+++ b/stage0/src/Lean/Meta/Tactic/Simp/Main.lean
@@ -20,18 +20,23 @@ builtin_initialize congrHypothesisExceptionId : InternalExceptionId ←
 def throwCongrHypothesisFailed : MetaM α :=
   throw <| Exception.internal congrHypothesisExceptionId
 
+/--
+  Helper method for bootstrapping purposes. It disables `arith` if support theorems have not been defined yet.
+-/
+def Config.updateArith (c : Config) : CoreM Config := do
+  if c.arith then
+    if (← getEnv).contains ``Nat.Linear.ExprCnstr.eq_of_toNormPoly_eq then
+      return c
+    else
+      return { c with arith := false }
+  else
+    return c
+
 def Result.getProof (r : Result) : MetaM Expr := do
   match r.proof? with
   | some p => return p
   | none   => mkEqRefl r.expr
 
-private def mkEqTrans (r₁ r₂ : Result) : MetaM Result := do
-  match r₁.proof? with
-  | none => return r₂
-  | some p₁ => match r₂.proof? with
-    | none    => return { r₂ with proof? := r₁.proof? }
-    | some p₂ => return { r₂ with proof? := (← Meta.mkEqTrans p₁ p₂) }
-
 def mkCongrFun (r : Result) (a : Expr) : MetaM Result :=
   match r.proof? with
   | none   => return { expr := mkApp r.expr a, proof? := none }
@@ -552,7 +557,8 @@ where
       modify fun s => { s with cache := s.cache.insert e r }
     return r
 
-def main (e : Expr) (ctx : Context) (methods : Methods := {}) : MetaM Result :=
+def main (e : Expr) (ctx : Context) (methods : Methods := {}) : MetaM Result := do
+  let ctx := { ctx with config := (← ctx.config.updateArith) }
   withConfig (fun c => { c with etaStruct := ctx.config.etaStruct }) <| withReducible do
     try
       simp e methods ctx |>.run' {}
diff --git a/stage0/src/Lean/Meta/Tactic/Simp/Rewrite.lean b/stage0/src/Lean/Meta/Tactic/Simp/Rewrite.lean
index 4c3e32d404..7a6fa1050d 100644
--- a/stage0/src/Lean/Meta/Tactic/Simp/Rewrite.lean
+++ b/stage0/src/Lean/Meta/Tactic/Simp/Rewrite.lean
@@ -7,9 +7,17 @@ import Lean.Meta.ACLt
 import Lean.Meta.AppBuilder
 import Lean.Meta.SynthInstance
 import Lean.Meta.Tactic.Simp.Types
+import Lean.Meta.Tactic.LinearArith.Simp
 
 namespace Lean.Meta.Simp
 
+def mkEqTrans (r₁ r₂ : Result) : MetaM Result := do
+  match r₁.proof? with
+  | none => return r₂
+  | some p₁ => match r₂.proof? with
+    | none    => return { r₂ with proof? := r₁.proof? }
+    | some p₂ => return { r₂ with proof? := (← Meta.mkEqTrans p₁ p₂) }
+
 def synthesizeArgs (thmName : Name) (xs : Array Expr) (bis : Array BinderInfo) (discharge? : Expr → SimpM (Option Expr)) : SimpM Bool := do
   for x in xs, bi in bis do
     let type ← inferType x
@@ -134,6 +142,15 @@ where
     | none => false
     | some name => erased.contains name
 
+@[inline] def andThen (s : Step) (f? : Expr → SimpM (Option Step)) : SimpM Step := do
+  match s with
+  | Step.done r  => return s
+  | Step.visit r =>
+    if let some s' ← f? r.expr then
+      return s'.updateResult (← mkEqTrans r s'.result)
+    else
+      return s
+
 def rewriteCtorEq? (e : Expr) : MetaM (Option Result) := withReducibleAndInstances do
   match e.eq? with
   | none => return none
@@ -150,10 +167,10 @@ def rewriteCtorEq? (e : Expr) : MetaM (Option Result) := withReducibleAndInstanc
         return none
     | _, _ => return none
 
-@[inline] def tryRewriteCtorEq (e : Expr) (x : SimpM Step) : SimpM Step := do
+@[inline] def tryRewriteCtorEq? (e : Expr) : SimpM (Option Step) := do
   match (← rewriteCtorEq? e) with
   | some r => return Step.done r
-  | none => x
+  | none  => return none
 
 def rewriteUsingDecide? (e : Expr) : MetaM (Option Result) := withReducibleAndInstances do
   if e.hasFVar || e.hasMVar || e.isConstOf ``True || e.isConstOf ``False then
@@ -172,13 +189,18 @@ def rewriteUsingDecide? (e : Expr) : MetaM (Option Result) := withReducibleAndIn
     catch _ =>
       return none
 
-@[inline] def tryRewriteUsingDecide (e : Expr) (x : SimpM Step) : SimpM Step := do
+@[inline] def tryRewriteUsingDecide? (e : Expr) : SimpM (Option Step) := do
   if (← read).config.decide then
     match (← rewriteUsingDecide? e) with
     | some r => return Step.done r
-    | none => x
+    | none => return none
   else
-    x
+    return none
+
+def simpArith? (e : Expr) : SimpM (Option Step) := do
+  if !(← read).config.arith then return none
+  let some (e', h) ← Linear.simp? e (← read).parent? | return none
+  return Step.visit { expr := e', proof? := h }
 
 def rewritePre (e : Expr) (discharge? : Expr → SimpM (Option Expr)) : SimpM Step := do
   let thms := (← read).simpTheorems
@@ -188,10 +210,14 @@ def rewritePost (e : Expr) (discharge? : Expr → SimpM (Option Expr)) : SimpM S
   let thms := (← read).simpTheorems
   return Step.visit (← rewrite e thms.post thms.erased discharge? (tag := "post"))
 
-def preDefault (e : Expr) (discharge? : Expr → SimpM (Option Expr)) : SimpM Step :=
-  tryRewriteCtorEq e <| rewritePre e discharge?
+def preDefault (e : Expr) (discharge? : Expr → SimpM (Option Expr)) : SimpM Step := do
+  let s ← rewritePre e discharge?
+  andThen s tryRewriteUsingDecide?
 
 def postDefault (e : Expr) (discharge? : Expr → SimpM (Option Expr)) : SimpM Step := do
-  tryRewriteCtorEq e <| tryRewriteUsingDecide e <| rewritePost e discharge?
+  let s ← rewritePost e discharge?
+  let s ← andThen s simpArith?
+  let s ← andThen s tryRewriteUsingDecide?
+  andThen s tryRewriteCtorEq?
 
 end Lean.Meta.Simp
diff --git a/stage0/src/Lean/Meta/Tactic/Simp/Types.lean b/stage0/src/Lean/Meta/Tactic/Simp/Types.lean
index fdb314f5f3..13cf4a895e 100644
--- a/stage0/src/Lean/Meta/Tactic/Simp/Types.lean
+++ b/stage0/src/Lean/Meta/Tactic/Simp/Types.lean
@@ -51,6 +51,10 @@ def Step.result : Step → Result
   | Step.visit r => r
   | Step.done r => r
 
+def Step.updateResult : Step → Result → Step
+  | Step.visit _, r => Step.visit r
+  | Step.done _, r  => Step.done r
+
 structure Methods where
   pre        : Expr → SimpM Step          := fun e => return Step.visit { expr := e }
   post       : Expr → SimpM Step          := fun e => return Step.done { expr := e }
diff --git a/stage0/src/Lean/Server/FileWorker.lean b/stage0/src/Lean/Server/FileWorker.lean
index b33e0bd4d2..8d5eaeacf3 100644
--- a/stage0/src/Lean/Server/FileWorker.lean
+++ b/stage0/src/Lean/Server/FileWorker.lean
@@ -104,7 +104,7 @@ section Elab
       publishIleanInfoFinal m ctx.hOut <| s.snaps.insertAt 0 s.headerSnap
       return none
     publishProgressAtPos m lastSnap.endPos ctx.hOut
-    let snap ← compileNextCmd m.text lastSnap ctx.clientHasWidgets
+    let snap ← compileNextCmd m.mkInputContext lastSnap ctx.clientHasWidgets
     set { s with snaps := s.snaps.push snap }
     -- TODO(MH): check for interrupt with increased precision
     cancelTk.check
@@ -192,8 +192,7 @@ section Initialization
 
   def compileHeader (m : DocumentMeta) (hOut : FS.Stream) (opts : Options) (hasWidgets : Bool)
       : IO (Snapshot × SearchPath) := do
-    let inputCtx := Parser.mkInputContext m.text.source "<input>"
-    let (headerStx, headerParserState, msgLog) ← Parser.parseHeader inputCtx
+    let (headerStx, headerParserState, msgLog) ← Parser.parseHeader m.mkInputContext
     let mut srcSearchPath ← initSrcSearchPath (← getBuildDir)
     let lakePath ← match (← IO.getEnv "LAKE") with
       | some path => pure <| System.FilePath.mk path
@@ -209,7 +208,7 @@ section Initialization
         if path.fileName != "lakefile.lean" && (← System.FilePath.pathExists lakePath) then
           let pkgSearchPath ← lakeSetupSearchPath lakePath m (Lean.Elab.headerToImports headerStx).toArray hOut
           srcSearchPath := pkgSearchPath ++ srcSearchPath
-      Elab.processHeader headerStx opts msgLog inputCtx
+      Elab.processHeader headerStx opts msgLog m.mkInputContext
     catch e =>  -- should be from `lake print-paths`
       let msgs := MessageLog.empty.add { fileName := "<ignored>", pos := ⟨0, 0⟩, data := e.toString }
       pure (← mkEmptyEnvironment, msgs)
@@ -277,7 +276,7 @@ section Updates
     -- need to reparse the header so that the offsets are correct.
     let ctx ← read
     let oldDoc := (←get).doc
-    let newHeaderSnap ← reparseHeader newMeta.text.source oldDoc.headerSnap
+    let newHeaderSnap ← reparseHeader newMeta.mkInputContext oldDoc.headerSnap
     if newHeaderSnap.stx != oldDoc.headerSnap.stx then
       throwServerError "Internal server error: header changed but worker wasn't restarted."
     let ⟨cmdSnaps, e?⟩ ← oldDoc.cmdSnaps.updateFinishedPrefix
@@ -307,7 +306,7 @@ section Updates
         let preLastSnap := if validSnaps.length ≥ 2
           then validSnaps.get! (validSnaps.length - 2)
           else newHeaderSnap
-        let newLastStx ← parseNextCmd newMeta.text.source preLastSnap
+        let newLastStx ← parseNextCmd newMeta.mkInputContext preLastSnap
         if newLastStx != lastSnap.stx then
           validSnaps := validSnaps.dropLast
         let cancelTk ← CancelToken.new
diff --git a/stage0/src/Lean/Server/FileWorker/RequestHandling.lean b/stage0/src/Lean/Server/FileWorker/RequestHandling.lean
index 9ee44fec3a..ee937f3d75 100644
--- a/stage0/src/Lean/Server/FileWorker/RequestHandling.lean
+++ b/stage0/src/Lean/Server/FileWorker/RequestHandling.lean
@@ -267,7 +267,7 @@ partial def handleDocumentSymbol (p : DocumentSymbolParams)
     | _ => pure ()
 
     let lastSnap := cmdSnaps.finishedPrefix.getLastD doc.headerSnap
-    stxs := stxs ++ (← parseAhead doc.meta.text.source lastSnap).toList
+    stxs := stxs ++ (← parseAhead doc.meta.mkInputContext lastSnap).toList
     let (syms, _) := toDocumentSymbols doc.meta.text stxs
     return { syms := syms.toArray }
   where
diff --git a/stage0/src/Lean/Server/Snapshots.lean b/stage0/src/Lean/Server/Snapshots.lean
index d93ded7097..40c04e9466 100644
--- a/stage0/src/Lean/Server/Snapshots.lean
+++ b/stage0/src/Lean/Server/Snapshots.lean
@@ -61,15 +61,13 @@ def isAtEnd (s : Snapshot) : Bool :=
 end Snapshot
 
 /-- Reparses the header syntax but does not re-elaborate it. Used to ignore whitespace-only changes. -/
-def reparseHeader (contents : String) (header : Snapshot) (opts : Options := {}) : IO Snapshot := do
-  let inputCtx := Parser.mkInputContext contents "<input>"
+def reparseHeader (inputCtx : Parser.InputContext) (header : Snapshot) (opts : Options := {}) : IO Snapshot := do
   let (newStx, newMpState, _) ← Parser.parseHeader inputCtx
   pure { header with stx := newStx, mpState := newMpState }
 
 /-- Parses the next command occurring after the given snapshot
 without elaborating it. -/
-def parseNextCmd (contents : String) (snap : Snapshot) : IO Syntax := do
-  let inputCtx := Parser.mkInputContext contents "<input>"
+def parseNextCmd (inputCtx : Parser.InputContext) (snap : Snapshot) : IO Syntax := do
   let cmdState := snap.cmdState
   let scope := cmdState.scopes.head!
   let pmctx := { env := cmdState.env, options := scope.opts, currNamespace := scope.currNamespace, openDecls := scope.openDecls }
@@ -80,8 +78,7 @@ def parseNextCmd (contents : String) (snap : Snapshot) : IO Syntax := do
 /--
   Parse remaining file without elaboration. NOTE that doing so can lead to parse errors or even wrong syntax objects,
   so it should only be done for reporting preliminary results! -/
-partial def parseAhead (contents : String) (snap : Snapshot) : IO (Array Syntax) := do
-  let inputCtx := Parser.mkInputContext contents "<input>"
+partial def parseAhead (inputCtx : Parser.InputContext) (snap : Snapshot) : IO (Array Syntax) := do
   let cmdState := snap.cmdState
   let scope := cmdState.scopes.head!
   let pmctx := { env := cmdState.env, options := scope.opts, currNamespace := scope.currNamespace, openDecls := scope.openDecls }
@@ -99,8 +96,7 @@ partial def parseAhead (contents : String) (snap : Snapshot) : IO (Array Syntax)
 -- NOTE: This code is really very similar to Elab.Frontend. But generalizing it
 -- over "store snapshots"/"don't store snapshots" would likely result in confusing
 -- isServer? conditionals and not be worth it due to how short it is.
-def compileNextCmd (text : FileMap) (snap : Snapshot) (hasWidgets : Bool) : IO Snapshot := do
-  let inputCtx := Parser.mkInputContext text.source "<input>"
+def compileNextCmd (inputCtx : Parser.InputContext) (snap : Snapshot) (hasWidgets : Bool) : IO Snapshot := do
   let cmdState := snap.cmdState
   let scope := cmdState.scopes.head!
   let pmctx := { env := cmdState.env, options := scope.opts, currNamespace := scope.currNamespace, openDecls := scope.openDecls }
@@ -156,7 +152,7 @@ where
     let mut ret := snap.interactiveDiags
     for i in List.iota newMsgCount do
       let newMsg := msgLog.msgs.get! (msgLog.msgs.size - i)
-      ret := ret.push (← Widget.msgToInteractiveDiagnostic text newMsg hasWidgets)
+      ret := ret.push (← Widget.msgToInteractiveDiagnostic inputCtx.fileMap newMsg hasWidgets)
     return ret
 
 end Lean.Server.Snapshots
diff --git a/stage0/src/Lean/Server/Utils.lean b/stage0/src/Lean/Server/Utils.lean
index cc68564dbe..6d4e639762 100644
--- a/stage0/src/Lean/Server/Utils.lean
+++ b/stage0/src/Lean/Server/Utils.lean
@@ -8,6 +8,7 @@ import Lean.Data.Position
 import Lean.Data.Lsp
 import Lean.Server.InfoUtils
 import Init.System.FilePath
+import Lean.Parser.Basic
 
 namespace IO
 
@@ -93,6 +94,11 @@ structure DocumentMeta where
   text    : FileMap
   deriving Inhabited
 
+def DocumentMeta.mkInputContext (doc : DocumentMeta) : Parser.InputContext where
+  input    := doc.text.source
+  fileName := doc.uri.toPath?.getD doc.uri |>.toString
+  fileMap  := doc.text
+
 def replaceLspRange (text : FileMap) (r : Lsp.Range) (newText : String) : FileMap :=
   let start := text.lspPosToUtf8Pos r.start
   let «end» := text.lspPosToUtf8Pos r.«end»
diff --git a/stage0/src/Lean/Util/Path.lean b/stage0/src/Lean/Util/Path.lean
index 5b2a04be12..f5c08c1e24 100644
--- a/stage0/src/Lean/Util/Path.lean
+++ b/stage0/src/Lean/Util/Path.lean
@@ -83,7 +83,7 @@ def addSearchPathFromEnv (sp : SearchPath) : IO SearchPath := do
 /--
 Initialize Lean's search path given Lean's system root and an initial search path.
 The system root can be obtained via `getBuildDir` (for internal use) or
-`findSysroot?` (for external users). -/
+`findSysroot` (for external users). -/
 def initSearchPath (leanSysroot : FilePath) (sp : SearchPath := ∅) : IO Unit := do
   let sp := sp ++ (← addSearchPathFromEnv (← getBuiltinSearchPath leanSysroot))
   searchPathRef.set sp
@@ -146,7 +146,7 @@ def searchModuleNameOfFileName (fname : FilePath) (rootDirs : SearchPath) : IO (
   e.g. in the case of `elan`'s proxy binary.
   Users internal to Lean should use `Lean.getBuildDir` instead.
 -/
-def findSysroot? (lean := "lean") : IO FilePath := do
+def findSysroot (lean := "lean") : IO FilePath := do
   if let some root ← IO.getEnv "LEAN_SYSROOT" then
     return root
   let out ← IO.Process.run {
diff --git a/stage0/stdlib/Init/Data/Nat/Linear.c b/stage0/stdlib/Init/Data/Nat/Linear.c
index 43768c8a43..079859f016 100644
--- a/stage0/stdlib/Init/Data/Nat/Linear.c
+++ b/stage0/stdlib/Init/Data/Nat/Linear.c
@@ -15,12 +15,11 @@ extern "C" {
 #endif
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_ExprCnstr_toPoly(lean_object*);
-LEAN_EXPORT uint8_t l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_mul_go(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_PolyCnstr_norm(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_cancelAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Certificate_combine___boxed(lean_object*);
-LEAN_EXPORT lean_object* l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____boxed(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_fixedVar;
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_cancel(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_sort_go(lean_object*, lean_object*);
@@ -41,8 +40,10 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Certificate_combine(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Var_denote(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_sort(lean_object*);
+LEAN_EXPORT lean_object* l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Expr_denote(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1___boxed(lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_toExpr_go(lean_object*, lean_object*);
 static lean_object* l_Nat_Linear_instInhabitedExpr___closed__1;
@@ -56,9 +57,8 @@ LEAN_EXPORT lean_object* l_Nat_Linear_instBEqPolyCnstr;
 LEAN_EXPORT uint8_t l_Nat_Linear_PolyCnstr_isValid(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_PolyCnstr_isUnsat___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_PolyCnstr_mul(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_ExprCnstr_toNormPoly(lean_object*);
-LEAN_EXPORT uint8_t l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258_(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_toExpr(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Expr_toNormPoly(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Expr_toPoly___boxed(lean_object*);
@@ -70,6 +70,7 @@ LEAN_EXPORT uint8_t l_Nat_Linear_Poly_isNonZero(lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 static lean_object* l_Nat_Linear_Certificate_combine___closed__1;
 LEAN_EXPORT lean_object* l_Nat_Linear_ExprCnstr_toPoly___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Nat_Linear_Poly_norm(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_isNonZero___boxed(lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_Linear_Poly_isNum_x3f(lean_object*);
@@ -2145,14 +2146,22 @@ lean_dec(x_1);
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Nat_Linear_Poly_norm(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Nat_Linear_Poly_sort(x_1);
+x_3 = l_Nat_Linear_Poly_fuse(x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Nat_Linear_Expr_toNormPoly(lean_object* x_1) {
 _start:
 {
-lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+lean_object* x_2; lean_object* x_3; 
 x_2 = l_Nat_Linear_Expr_toPoly(x_1);
-x_3 = l_Nat_Linear_Poly_sort(x_2);
-x_4 = l_Nat_Linear_Poly_fuse(x_3);
-return x_4;
+x_3 = l_Nat_Linear_Poly_norm(x_2);
+return x_3;
 }
 }
 LEAN_EXPORT lean_object* l_Nat_Linear_Expr_toNormPoly___boxed(lean_object* x_1) {
@@ -2185,7 +2194,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT uint8_t l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -2250,7 +2259,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT uint8_t l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258_(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -2305,7 +2314,7 @@ return x_10;
 else
 {
 uint8_t x_11; 
-x_11 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1(x_4, x_7);
+x_11 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1(x_4, x_7);
 if (x_11 == 0)
 {
 uint8_t x_12; 
@@ -2315,29 +2324,29 @@ return x_12;
 else
 {
 uint8_t x_13; 
-x_13 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1(x_5, x_8);
+x_13 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1(x_5, x_8);
 return x_13;
 }
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____spec__1(x_1, x_2);
+x_3 = l_List_beq___at___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____spec__1(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258_(x_1, x_2);
+x_3 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
@@ -2348,7 +2357,7 @@ static lean_object* _init_l_Nat_Linear_instBEqPolyCnstr___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1258____boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266____boxed), 2, 0);
 return x_1;
 }
 }
diff --git a/stage0/stdlib/Init/Meta.c b/stage0/stdlib/Init/Meta.c
index 92b89c519a..d12bbb505f 100644
--- a/stage0/stdlib/Init/Meta.c
+++ b/stage0/stdlib/Init/Meta.c
@@ -13,6 +13,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__23;
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_getSepElems___rarg___boxed(lean_object*);
 static uint8_t l_Lean_versionString___closed__2;
@@ -36,11 +37,13 @@ static lean_object* l_Lean_Syntax_unsetTrailing___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Syntax_setTailInfoAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_updateFirst___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeDecimalLitAux___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__4;
 LEAN_EXPORT lean_object* l_Lean_instQuoteBool(uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeScientificLitVal_x3f_decodeAfterExp___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_mkSepArray___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t lean_is_inaccessible_user_name(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__9;
 static lean_object* l_Lean_versionString___closed__1;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_getSubstring_x3f___boxed(lean_object*, lean_object*, lean_object*);
@@ -58,7 +61,9 @@ extern lean_object* l_Lean_nullKind;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getSepArgs___boxed(lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__38;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Array_filterSepElemsMAux___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__8;
 static lean_object* l___private_Init_Meta_0__Lean_quoteOption___rarg___closed__7;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__17;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeHexDigit(lean_object*, lean_object*);
 static lean_object* l_Lean_Name_escapePart___closed__1;
 static lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__3___closed__6;
@@ -108,7 +113,9 @@ static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__23;
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeScientificLitVal_x3f_decodeAfterDot(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_toNat___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__6;
 LEAN_EXPORT uint8_t l_Lean_Meta_Simp_Config_memoize___default;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__21;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__13;
 static lean_object* l_Lean_toolchain___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getHead_x3f(lean_object*);
@@ -116,8 +123,10 @@ static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean
 LEAN_EXPORT uint8_t l_Lean_Syntax_structEq(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__38;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__21;
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__3;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeInterpStrQuotedChar(lean_object*, lean_object*);
 static lean_object* l_Lean_githash___closed__1;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__26;
 LEAN_EXPORT lean_object* l_Lean_termEval__prec__;
 LEAN_EXPORT lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__termEval__prio____1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Syntax_expandInterpolatedStrChunks___spec__1___lambda__2___closed__1;
@@ -169,12 +178,14 @@ LEAN_EXPORT uint8_t l_Lean_Name_escapePart___lambda__1(uint32_t);
 static lean_object* l_Lean_instQuoteProd___rarg___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkScientificLit(lean_object*, lean_object*);
 lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___aux__Init__Notation______macroRules__precMax__1___spec__1(lean_object*, lean_object*);
+extern lean_object* l_Lean_Parser_Tactic_config;
 static lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__3___closed__14;
 static lean_object* l_Lean_termEval__prec_____closed__3;
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__9;
 LEAN_EXPORT lean_object* l___private_Init_Data_String_Basic_0__Substring_takeWhileAux___at___private_Init_Meta_0__Lean_Syntax_splitNameLitAux___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isIdFirst___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Array_filterSepElemsMAux___at_Array_filterSepElems___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__13;
 lean_object* lean_array_push(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_toString___boxed(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
@@ -182,6 +193,7 @@ static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean
 lean_object* lean_string_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Syntax_expandInterpolatedStrChunks___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_version_getSpecialDesc___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__12;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeHexDigit___boxed(lean_object*, lean_object*);
 lean_object* lean_get_githash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_setTailInfo(lean_object*, lean_object*);
@@ -195,6 +207,7 @@ lean_object* l_Std_Format_joinSep___at_instReprProd___spec__1(lean_object*, lean
 lean_object* l___private_Init_Data_Repr_0__reprSourceInfo____x40_Init_Data_Repr___hyg_1750_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_filterSepElemsM___at_Array_filterSepElems___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__1;
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__11;
 LEAN_EXPORT uint8_t l_Lean_Meta_Simp_Config_contextual___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_TransparencyMode_toCtorIdx(uint8_t);
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__23;
@@ -209,6 +222,7 @@ LEAN_EXPORT lean_object* l_Array_filterSepElems___boxed(lean_object*, lean_objec
 LEAN_EXPORT uint8_t l___private_Init_Meta_0__Lean_Meta_beqTransparencyMode____x40_Init_Meta___hyg_8419_(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Syntax_setHeadInfo(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x40_Init_Meta___hyg_8435____closed__17;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__11;
 static lean_object* l_Lean_toolchain___closed__5;
 static lean_object* l_Lean_instQuoteBool___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -247,6 +261,7 @@ static lean_object* l_Lean_instQuoteSubstring___closed__1;
 static lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__3___closed__15;
 LEAN_EXPORT uint8_t l_Lean_Meta_Simp_Config_etaStruct___default;
 lean_object* lean_string_utf8_next(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__12;
 static lean_object* l_Lean_Name_isInaccessibleUserName___closed__1;
 static lean_object* l_Lean_versionStringCore___closed__1;
 static lean_object* l_Lean_termEval__prio_____closed__2;
@@ -290,6 +305,7 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_isScientificLit_x3f___boxed(lean_object*)
 LEAN_EXPORT lean_object* l_Lean_Syntax_isCharLit_x3f(lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_getTrailingSize___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__20;
 LEAN_EXPORT lean_object* l_Lean_Syntax_isNatLit_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_version_major;
 static lean_object* l_Lean_instQuoteProd___rarg___closed__4;
@@ -334,6 +350,7 @@ LEAN_EXPORT lean_object* l_Lean_mkFreshId___rarg___lambda__1(lean_object*, lean_
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__36;
 LEAN_EXPORT lean_object* l_Lean_Name_reprPrec___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeScientificLitVal_x3f_decode(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__13;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Array_mapSepElemsMAux(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkCApp(lean_object*, lean_object*);
 extern lean_object* l_Lean_strLitKind;
@@ -352,6 +369,7 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Simp_ConfigCtx_contextual___default;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__6;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_quoteList___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_beqConfig____x40_Init_Meta___hyg_8721____boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_expandSimpArith(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_isFieldIdx_x3f(lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__25;
 static lean_object* l_Lean_instQuoteProd___rarg___closed__1;
@@ -378,24 +396,30 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_decodeCharLit___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeNatLitVal_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_SepArray_getElems___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Syntax_getTailInfo_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Parser_Tactic_simpStar;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__31;
 static lean_object* l_Lean_mkHole___closed__5;
 static lean_object* l___private_Init_Meta_0__Lean_quoteOption___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Lean_withHeadRefOnly___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_TransparencyMode_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Syntax_setKind(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__9;
 LEAN_EXPORT lean_object* lean_name_append_index_after(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_instReprConfig___closed__1;
 LEAN_EXPORT lean_object* l_Array_getSepElems___rarg(lean_object*);
 extern lean_object* l_Lean_reservedMacroScope;
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__20;
 static lean_object* l_Lean_Syntax_unsetTrailing___closed__2;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x40_Init_Meta___hyg_8435____closed__21;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__10;
 static lean_object* l_Lean_NameGenerator_namePrefix___default___closed__1;
 LEAN_EXPORT lean_object* l_Lean_mkNullNode(lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Name_instToStringName(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__10;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x40_Init_Meta___hyg_8435____closed__6;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__19;
 LEAN_EXPORT lean_object* l_Lean_Name_toStringWithSep_maybeEscape___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_modifyBase(lean_object*, lean_object*);
 static lean_object* l_List_foldr___at_Lean_Syntax_decodeNameLit___spec__1___closed__2;
@@ -403,6 +427,7 @@ static lean_object* l_Lean_instQuoteBool___closed__3;
 LEAN_EXPORT uint8_t l_Lean_Meta_Rewrite_Config_transparency___default;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__29;
 lean_object* l_Nat_repr(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__24;
 LEAN_EXPORT lean_object* l_Array_mapSepElemsM___at_Array_mapSepElems___spec__1___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Syntax_splitNameLitAux___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instQuoteSubstring___boxed(lean_object*);
@@ -431,8 +456,10 @@ lean_object* l_Lean_Macro_throwErrorAt___rarg(lean_object*, lean_object*, lean_o
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___closed__5;
 extern lean_object* l_Lean_Parser_Tactic_location;
 LEAN_EXPORT lean_object* l_Lean_Meta_TransparencyMode_toCtorIdx___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__16;
 LEAN_EXPORT lean_object* l_Lean_mkCIdent(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_version_getIsRelease___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__16;
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__4;
 uint32_t lean_string_utf8_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Name_hasNum___boxed(lean_object*);
@@ -453,6 +480,7 @@ static lean_object* l_Lean_Name_reprPrec___closed__4;
 static lean_object* l___private_Init_Meta_0__Lean_quoteNameMk___closed__5;
 lean_object* l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1(lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__7;
 static lean_object* l_Lean_versionString___closed__10;
 static lean_object* l___private_Init_Meta_0__Lean_quoteOption___rarg___closed__4;
 LEAN_EXPORT lean_object* l_Lean_versionString;
@@ -470,6 +498,7 @@ static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Synt
 static lean_object* l_Lean_version_minor___closed__1;
 static lean_object* l_Lean_Name_reprPrec___closed__9;
 LEAN_EXPORT lean_object* l_Lean_mkCIdentFromRef___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_mkSepArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_SepArray_ofElemsUsingRef___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_maxDischargeDepth___default;
@@ -482,6 +511,7 @@ static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x
 LEAN_EXPORT lean_object* l_Lean_NameGenerator_mkChild(lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__10;
 LEAN_EXPORT lean_object* l_Lean_getGithash___boxed(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_updateFirst___at_Lean_Syntax_setHeadInfoAux___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_String_dropRight(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_isCharLit_x3f___boxed(lean_object*);
@@ -520,11 +550,14 @@ static lean_object* l_Lean_instQuoteName___closed__2;
 LEAN_EXPORT lean_object* l_Lean_evalPrec(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_isStrLit_x3f___boxed(lean_object*);
 lean_object* l_Lean_Macro_expandMacro_x3f(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_simpArith;
+extern lean_object* l_Lean_Parser_Tactic_simpLemma;
 lean_object* l_Lean_mkAtomFrom(lean_object*, lean_object*);
 static lean_object* l_Lean_termEval__prio_____closed__8;
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkNumLit(lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedNameGenerator___closed__1;
 static lean_object* l_Lean_Meta_TransparencyMode_noConfusion___rarg___closed__1;
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__19;
 LEAN_EXPORT lean_object* l_Lean_Syntax_SepArray_ofElemsUsingRef(lean_object*);
 static lean_object* l_Lean_versionString___closed__7;
 extern lean_object* l_Lean_groupKind;
@@ -564,6 +597,8 @@ extern lean_object* l_Lean_scientificLitKind;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Array_getSepElems___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_isEqvAux___at_Lean_Syntax_structEq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__20;
+lean_object* l_Lean_Syntax_setArg(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__18;
 LEAN_EXPORT lean_object* l_Lean_instQuoteString___boxed(lean_object*);
 static lean_object* l_Lean_Syntax_expandInterpolatedStrChunks___closed__1;
 static lean_object* l_Lean_instQuoteBool___closed__2;
@@ -572,6 +607,7 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Simp_Config_eta___default;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x40_Init_Meta___hyg_8435____closed__18;
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___lambda__2___closed__2;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__24;
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Syntax_expandInterpolatedStrChunks___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic_tacticErw_______closed__8;
 LEAN_EXPORT uint8_t l_Lean_Syntax_hasArgs(lean_object*);
@@ -600,6 +636,7 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_decodeScientificLitVal_x3f(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_isGreek(uint32_t);
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_tacticErw____;
 LEAN_EXPORT lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Syntax__subPrec__1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__25;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__22;
 lean_object* l_Lean_MacroScopesView_review(lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeInterpStrQuotedChar___boxed__const__1;
@@ -611,6 +648,7 @@ LEAN_EXPORT lean_object* l_Array_mapSepElemsM___at_Array_mapSepElems___spec__1(l
 static lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__3___closed__11;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966_(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Init_Meta_0__Lean_Name_hasNum(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__14;
 static lean_object* l_Lean_instQuoteSubstring___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_isInaccessibleUserName___boxed(lean_object*);
@@ -621,9 +659,12 @@ static lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x
 static lean_object* l_Lean_termEval__prec_____closed__11;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getOptionalIdent_x3f(lean_object*);
 static lean_object* l_Lean_evalPrec___closed__1;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__22;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__14;
 static lean_object* l_Lean_Name_toStringWithSep___closed__1;
 LEAN_EXPORT lean_object* l_Lean_NameGenerator_curr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_SepArray_getElems___rarg___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_expandSimpArith___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__4___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Meta_reprTransparencyMode____x40_Init_Meta___hyg_8435_(uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_isNameLit_x3f___boxed(lean_object*);
@@ -641,9 +682,11 @@ LEAN_EXPORT lean_object* l___private_Init_Meta_0__Array_filterSepElemsMAux___rar
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Meta_beqTransparencyMode____x40_Init_Meta___hyg_8419____boxed(lean_object*, lean_object*);
 static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Syntax__subPrio__1___closed__1;
 LEAN_EXPORT lean_object* l_List_beq___at_Lean_Syntax_structEq___spec__2___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__15;
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___lambda__1___closed__1;
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkNameLit(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__6;
 LEAN_EXPORT lean_object* l_Lean_mkCIdentFromRef___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeQuotedChar___boxed__const__4;
 static lean_object* l_List_foldr___at_Lean_Syntax_decodeNameLit___spec__1___closed__1;
@@ -704,8 +747,11 @@ uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_isNone___boxed(lean_object*);
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Syntax_isToken___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__15;
 static lean_object* l_Lean_mkHole___closed__2;
+extern lean_object* l_Lean_Parser_Tactic_simpErase;
 static lean_object* l_Lean_mkCIdentFrom___closed__1;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__18;
 LEAN_EXPORT lean_object* l_Lean_Syntax_getTailInfo___boxed(lean_object*);
 static lean_object* l_Lean_termEval__prec_____closed__8;
 LEAN_EXPORT lean_object* l_Lean_Syntax_decodeQuotedChar___boxed__const__3;
@@ -730,9 +776,11 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_getHead_x3f___lambda__1(lean_object*, lea
 LEAN_EXPORT uint8_t l_List_beq___at_Lean_Syntax_structEq___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withHeadRefOnly___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* lean_mk_syntax_ident(lean_object*);
+extern lean_object* l_Lean_Parser_Tactic_discharger;
 LEAN_EXPORT lean_object* l_Lean_Meta_TransparencyMode_noConfusion___rarg___lambda__1(lean_object*);
 static lean_object* l_Lean_Syntax_getHead_x3f___closed__1;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_updateFirst___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkSynthetic(lean_object*);
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 static lean_object* l_Lean_termEval__prec_____closed__1;
@@ -773,6 +821,7 @@ lean_object* l_String_drop(lean_object*, lean_object*);
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___closed__2;
 LEAN_EXPORT lean_object* l_Array_filterSepElemsM___at_Array_filterSepElems___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_monadNameGeneratorLift___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__1;
 lean_object* l_Nat_min(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__7;
 static lean_object* l_Lean_Syntax_expandInterpolatedStr___closed__1;
@@ -780,7 +829,10 @@ static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_In
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___rarg___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Syntax_expandInterpolatedStr___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__33;
+LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_expandSimpArith___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_mkSepArray___closed__1;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__5;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Name_getRoot___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeBinLitAux___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Name_getRoot(lean_object*);
@@ -793,6 +845,7 @@ LEAN_EXPORT lean_object* l_Lean_mkSepArray___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Name_reprPrec___closed__3;
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___rarg___closed__2;
 LEAN_EXPORT uint8_t l_Lean_Name_toString_maybePseudoSyntax(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__2;
 static lean_object* l_Lean_instQuoteName___closed__1;
 static lean_object* l_Lean_termEval__prec_____closed__9;
 LEAN_EXPORT lean_object* l_Lean_Meta_TransparencyMode_noConfusion___rarg___lambda__1___boxed(lean_object*);
@@ -807,6 +860,7 @@ LEAN_EXPORT lean_object* l_Lean_instQuoteSyntax;
 LEAN_EXPORT lean_object* l_Lean_mkNode(lean_object*, lean_object*);
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___rarg___closed__1;
 lean_object* lean_uint32_to_nat(uint32_t);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__8;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__32;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_mkSepArray___spec__1___closed__1;
 static lean_object* l_repr___at___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____spec__3___closed__1;
@@ -814,6 +868,7 @@ LEAN_EXPORT lean_object* l_Lean_Name_replacePrefix(lean_object*, lean_object*, l
 static lean_object* l_Lean_termEval__prio_____closed__5;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_decodeInterpStrLit_loop(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Syntax__subPrec__1___closed__2;
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__4;
 static lean_object* l_List_foldr___at_Lean_Syntax_decodeNameLit___spec__1___closed__4;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__10;
 lean_object* lean_nat_to_int(lean_object*);
@@ -827,6 +882,7 @@ static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Synt
 LEAN_EXPORT lean_object* l___private_Init_Data_String_Basic_0__Substring_takeWhileAux___at___private_Init_Meta_0__Lean_Syntax_splitNameLitAux___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Syntax_SepArray_getElems___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_setHeadInfoAux(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__9;
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__30;
 LEAN_EXPORT lean_object* l_Lean_Option_hasQuote___rarg(lean_object*);
 extern lean_object* l_Lean_interpolatedStrLitKind;
@@ -838,15 +894,19 @@ static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Synt
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__29;
 static lean_object* l___private_Init_Meta_0__Lean_Meta_Simp_reprConfig____x40_Init_Meta___hyg_8966____closed__26;
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Lean_Syntax_updateLast___at_Lean_Syntax_setTailInfoAux___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__1;
 LEAN_EXPORT uint8_t l_Lean_isIdRest(uint32_t);
+static lean_object* l_Lean_Parser_Tactic_expandSimpArith___closed__17;
 uint8_t lean_string_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_mkLit(lean_object*, lean_object*, lean_object*);
 lean_object* l_Char_ofNat(lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__27;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Meta_0__Array_mapSepElemsMAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_versionStringCore___closed__7;
 static lean_object* l___private_Init_Meta_0__Lean_Name_reprSyntax____x40_Init_Meta___hyg_1043____closed__16;
 lean_object* l_Repr_addAppParen(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_Tactic_simpArith___closed__2;
 LEAN_EXPORT lean_object* l___private_Init_Data_String_Basic_0__Substring_takeWhileAux___at___private_Init_Meta_0__Lean_Syntax_splitNameLitAux___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__15;
 static lean_object* l_Lean___aux__Init__Meta______macroRules__Lean__Parser__Syntax__addPrec__1___closed__2;
@@ -16674,7 +16734,7 @@ static uint8_t _init_l_Lean_Meta_Simp_Config_arith___default() {
 _start:
 {
 uint8_t x_1; 
-x_1 = 1;
+x_1 = 0;
 return x_1;
 }
 }
@@ -19076,6 +19136,930 @@ return x_206;
 }
 }
 }
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("simpArith");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_tacticErw_______closed__2;
+x_2 = l_Lean_Parser_Tactic_simpArith___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("simp_arith ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__4() {
+_start:
+{
+lean_object* x_1; uint8_t x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_simpArith___closed__3;
+x_2 = 0;
+x_3 = lean_alloc_ctor(6, 1, 1);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set_uint8(x_3, sizeof(void*)*1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_tacticErw_______closed__9;
+x_2 = l_Lean_Parser_Tactic_config;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Lean_termEval__prec_____closed__4;
+x_2 = l_Lean_Parser_Tactic_simpArith___closed__4;
+x_3 = l_Lean_Parser_Tactic_simpArith___closed__5;
+x_4 = lean_alloc_ctor(2, 3, 0);
+lean_ctor_set(x_4, 0, x_1);
+lean_ctor_set(x_4, 1, x_2);
+lean_ctor_set(x_4, 2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_tacticErw_______closed__9;
+x_2 = l_Lean_Parser_Tactic_discharger;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Lean_termEval__prec_____closed__4;
+x_2 = l_Lean_Parser_Tactic_simpArith___closed__6;
+x_3 = l_Lean_Parser_Tactic_simpArith___closed__7;
+x_4 = lean_alloc_ctor(2, 3, 0);
+lean_ctor_set(x_4, 0, x_1);
+lean_ctor_set(x_4, 1, x_2);
+lean_ctor_set(x_4, 2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("only ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__10() {
+_start:
+{
+lean_object* x_1; uint8_t x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_simpArith___closed__9;
+x_2 = 0;
+x_3 = lean_alloc_ctor(6, 1, 1);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set_uint8(x_3, sizeof(void*)*1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_simpArith___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_tacticErw_______closed__9;
+x_2 = l_Lean_Parser_Tactic_simpArith___closed__10;
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+}
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+}
+}
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+}
+}
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+}
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+}
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+}
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+}
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+}
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+}
+}
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+}
+}
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+}
+}
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+}
+}
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+}
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+}
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+}
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+}
+}
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+}
+}
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+}
+}
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+}
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+}
+}
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+}
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+}
+}
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+}
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+}
+}
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+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_expandSimpArith___closed__17() {
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+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_expandSimpArith___closed__18() {
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+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_expandSimpArith___closed__19() {
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+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_expandSimpArith___closed__20() {
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+}
+}
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+{
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+x_5 = l_Lean_Parser_Tactic_expandSimpArith___lambda__1(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+return x_5;
+}
+}
 lean_object* initialize_Init_Data_Array_Basic(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Init_Meta(uint8_t builtin, lean_object* w) {
@@ -19858,6 +20842,106 @@ l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__ta
 lean_mark_persistent(l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__41);
 l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__42 = _init_l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__42();
 lean_mark_persistent(l_Lean_Parser_Tactic___aux__Init__Meta______macroRules__Lean__Parser__Tactic__tacticErw______1___closed__42);
+l_Lean_Parser_Tactic_simpArith___closed__1 = _init_l_Lean_Parser_Tactic_simpArith___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__1);
+l_Lean_Parser_Tactic_simpArith___closed__2 = _init_l_Lean_Parser_Tactic_simpArith___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__2);
+l_Lean_Parser_Tactic_simpArith___closed__3 = _init_l_Lean_Parser_Tactic_simpArith___closed__3();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__3);
+l_Lean_Parser_Tactic_simpArith___closed__4 = _init_l_Lean_Parser_Tactic_simpArith___closed__4();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__4);
+l_Lean_Parser_Tactic_simpArith___closed__5 = _init_l_Lean_Parser_Tactic_simpArith___closed__5();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__5);
+l_Lean_Parser_Tactic_simpArith___closed__6 = _init_l_Lean_Parser_Tactic_simpArith___closed__6();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__6);
+l_Lean_Parser_Tactic_simpArith___closed__7 = _init_l_Lean_Parser_Tactic_simpArith___closed__7();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__7);
+l_Lean_Parser_Tactic_simpArith___closed__8 = _init_l_Lean_Parser_Tactic_simpArith___closed__8();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__8);
+l_Lean_Parser_Tactic_simpArith___closed__9 = _init_l_Lean_Parser_Tactic_simpArith___closed__9();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__9);
+l_Lean_Parser_Tactic_simpArith___closed__10 = _init_l_Lean_Parser_Tactic_simpArith___closed__10();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__10);
+l_Lean_Parser_Tactic_simpArith___closed__11 = _init_l_Lean_Parser_Tactic_simpArith___closed__11();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__11);
+l_Lean_Parser_Tactic_simpArith___closed__12 = _init_l_Lean_Parser_Tactic_simpArith___closed__12();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__12);
+l_Lean_Parser_Tactic_simpArith___closed__13 = _init_l_Lean_Parser_Tactic_simpArith___closed__13();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__13);
+l_Lean_Parser_Tactic_simpArith___closed__14 = _init_l_Lean_Parser_Tactic_simpArith___closed__14();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__14);
+l_Lean_Parser_Tactic_simpArith___closed__15 = _init_l_Lean_Parser_Tactic_simpArith___closed__15();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__15);
+l_Lean_Parser_Tactic_simpArith___closed__16 = _init_l_Lean_Parser_Tactic_simpArith___closed__16();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__16);
+l_Lean_Parser_Tactic_simpArith___closed__17 = _init_l_Lean_Parser_Tactic_simpArith___closed__17();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__17);
+l_Lean_Parser_Tactic_simpArith___closed__18 = _init_l_Lean_Parser_Tactic_simpArith___closed__18();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__18);
+l_Lean_Parser_Tactic_simpArith___closed__19 = _init_l_Lean_Parser_Tactic_simpArith___closed__19();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__19);
+l_Lean_Parser_Tactic_simpArith___closed__20 = _init_l_Lean_Parser_Tactic_simpArith___closed__20();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__20);
+l_Lean_Parser_Tactic_simpArith___closed__21 = _init_l_Lean_Parser_Tactic_simpArith___closed__21();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__21);
+l_Lean_Parser_Tactic_simpArith___closed__22 = _init_l_Lean_Parser_Tactic_simpArith___closed__22();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__22);
+l_Lean_Parser_Tactic_simpArith___closed__23 = _init_l_Lean_Parser_Tactic_simpArith___closed__23();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__23);
+l_Lean_Parser_Tactic_simpArith___closed__24 = _init_l_Lean_Parser_Tactic_simpArith___closed__24();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__24);
+l_Lean_Parser_Tactic_simpArith___closed__25 = _init_l_Lean_Parser_Tactic_simpArith___closed__25();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__25);
+l_Lean_Parser_Tactic_simpArith___closed__26 = _init_l_Lean_Parser_Tactic_simpArith___closed__26();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__26);
+l_Lean_Parser_Tactic_simpArith___closed__27 = _init_l_Lean_Parser_Tactic_simpArith___closed__27();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith___closed__27);
+l_Lean_Parser_Tactic_simpArith = _init_l_Lean_Parser_Tactic_simpArith();
+lean_mark_persistent(l_Lean_Parser_Tactic_simpArith);
+l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__1 = _init_l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__1);
+l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__2 = _init_l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___lambda__1___closed__2);
+l_Lean_Parser_Tactic_expandSimpArith___closed__1 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__1);
+l_Lean_Parser_Tactic_expandSimpArith___closed__2 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__2);
+l_Lean_Parser_Tactic_expandSimpArith___closed__3 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__3();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__3);
+l_Lean_Parser_Tactic_expandSimpArith___closed__4 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__4();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__4);
+l_Lean_Parser_Tactic_expandSimpArith___closed__5 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__5();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__5);
+l_Lean_Parser_Tactic_expandSimpArith___closed__6 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__6();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__6);
+l_Lean_Parser_Tactic_expandSimpArith___closed__7 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__7();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__7);
+l_Lean_Parser_Tactic_expandSimpArith___closed__8 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__8();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__8);
+l_Lean_Parser_Tactic_expandSimpArith___closed__9 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__9();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__9);
+l_Lean_Parser_Tactic_expandSimpArith___closed__10 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__10();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__10);
+l_Lean_Parser_Tactic_expandSimpArith___closed__11 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__11();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__11);
+l_Lean_Parser_Tactic_expandSimpArith___closed__12 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__12();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__12);
+l_Lean_Parser_Tactic_expandSimpArith___closed__13 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__13();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__13);
+l_Lean_Parser_Tactic_expandSimpArith___closed__14 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__14();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__14);
+l_Lean_Parser_Tactic_expandSimpArith___closed__15 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__15();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__15);
+l_Lean_Parser_Tactic_expandSimpArith___closed__16 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__16();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__16);
+l_Lean_Parser_Tactic_expandSimpArith___closed__17 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__17();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__17);
+l_Lean_Parser_Tactic_expandSimpArith___closed__18 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__18();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__18);
+l_Lean_Parser_Tactic_expandSimpArith___closed__19 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__19();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__19);
+l_Lean_Parser_Tactic_expandSimpArith___closed__20 = _init_l_Lean_Parser_Tactic_expandSimpArith___closed__20();
+lean_mark_persistent(l_Lean_Parser_Tactic_expandSimpArith___closed__20);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Init/Notation.c b/stage0/stdlib/Init/Notation.c
index cf4f80de90..d68b5a4fe5 100644
--- a/stage0/stdlib/Init/Notation.c
+++ b/stage0/stdlib/Init/Notation.c
@@ -59,6 +59,7 @@ static lean_object* l_term___u2264_____closed__3;
 LEAN_EXPORT lean_object* l_term___x5e_x5e_x5e__;
 static lean_object* l_Lean_Parser_Syntax_addPrec___closed__4;
 static lean_object* l_Lean_Parser_Tactic_first___closed__8;
+LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_fail;
 static lean_object* l___aux__Init__Notation______macroRules__term___x5e____1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_first;
 static lean_object* l_Lean_Parser_Tactic_letrec___closed__12;
@@ -238,6 +239,7 @@ static lean_object* l___aux__Init__Notation______macroRules__term___x3d_x3d____1
 static lean_object* l___aux__Init__Notation______macroRules__termWithout__expected__type____1___closed__3;
 static lean_object* l_term___x3e_x3e_x3d_____closed__3;
 static lean_object* l_term___x3c_x3c_x3c_____closed__7;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__10;
 static lean_object* l_Lean_Parser_Tactic_rwRuleSeq___closed__2;
 static lean_object* l_term___x7c_x3e_____closed__1;
 static lean_object* l_term_u2039___u203a___closed__5;
@@ -271,6 +273,7 @@ static lean_object* l_term___x7c_x7c_____closed__5;
 static lean_object* l_Lean_Parser_Tactic_location___closed__3;
 static lean_object* l_Lean_Parser_Tactic_refine_x27___closed__6;
 static lean_object* l___aux__Init__Notation______macroRules__term___x3c_x3c_x3c____1___closed__9;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__7;
 static lean_object* l_prioLow___closed__3;
 static lean_object* l_Lean_Parser_Tactic_clear___closed__6;
 LEAN_EXPORT lean_object* l___aux__Init__Notation______macroRules__term___u2264____2(lean_object*, lean_object*, lean_object*);
@@ -480,6 +483,7 @@ static lean_object* l___aux__Init__Notation______macroRules__term___x3c_x2a_x3e_
 static lean_object* l_Lean_Parser_Tactic_generalize___closed__3;
 static lean_object* l_Lean_Parser_Tactic_split___closed__7;
 static lean_object* l___aux__Init__Notation______macroRules__term_x2d____1___closed__7;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__9;
 LEAN_EXPORT lean_object* l___aux__Init__Notation______unexpand__Functor__map__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Tactic_tacticHave_x27_____closed__6;
 static lean_object* l_Lean_Parser_Tactic_revert___closed__4;
@@ -828,6 +832,7 @@ static lean_object* l_stx___x3f___closed__3;
 static lean_object* l_Lean___aux__Init__Notation______macroRules__Lean__term__Matches____1___closed__4;
 static lean_object* l___aux__Init__Notation______macroRules__termDepIfThenElse__1___closed__10;
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__letrec__1___closed__1;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__2;
 static lean_object* l_Lean_Parser_Tactic_intro___closed__11;
 static lean_object* l_Lean_Parser_Tactic_discharger___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_focus;
@@ -956,6 +961,7 @@ LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_tacticRefine__lift_x27__;
 static lean_object* l_term___x5e_x5e_x5e_____closed__7;
 static lean_object* l_Lean_Parser_Tactic_simp___closed__13;
 static lean_object* l_Lean_Parser_Tactic_injection___closed__6;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__1;
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticShow____1___closed__3;
 LEAN_EXPORT lean_object* l___aux__Init__Notation______macroRules__term_xac____1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_Syntax_addPrio___closed__2;
@@ -1266,6 +1272,7 @@ static lean_object* l___aux__Init__Notation______macroRules__term___x3c_x7c_x3e_
 LEAN_EXPORT lean_object* l___aux__Init__Notation______macroRules__prioDefault__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l___aux__Init__Notation______macroRules__term___x3c_x2a_x3e____1___closed__18;
 static lean_object* l_Lean_Parser_Tactic_case___closed__5;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__8;
 LEAN_EXPORT lean_object* l_term___u2218__;
 static lean_object* l___aux__Init__Notation______macroRules__term___x3d____1___closed__3;
 static lean_object* l___aux__Init__Notation______macroRules__precMax__1___closed__1;
@@ -1279,6 +1286,7 @@ LEAN_EXPORT lean_object* l___aux__Init__Notation______macroRules__precMin__1(lea
 static lean_object* l___aux__Init__Notation______macroRules__term___x3c_x24_x3e____1___closed__9;
 static lean_object* l_Lean_Parser_Tactic_tacticHave_x27_____x3a_x3d_____closed__5;
 static lean_object* l_term___x5e_____closed__1;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__4;
 static lean_object* l_Lean_Parser_Tactic_subst___closed__5;
 static lean_object* l_Lean_Parser_Tactic_inductionAlt___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_subst;
@@ -1425,6 +1433,7 @@ static lean_object* l_term___x2b_x2b_____closed__1;
 static lean_object* l_stx___x3c_x7c_x3e_____closed__7;
 static lean_object* l_Lean_Parser_Tactic_changeWith___closed__6;
 static lean_object* l_Lean_Parser_Tactic_simpPre___closed__2;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__3;
 LEAN_EXPORT lean_object* l___aux__Init__Notation______macroRules__term___x3e_x3d____2(lean_object*, lean_object*, lean_object*);
 static lean_object* l___aux__Init__Notation______macroRules__term___u2218____1___closed__7;
 static lean_object* l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticUnhygienic____1___closed__2;
@@ -1847,6 +1856,7 @@ static lean_object* l_Lean_Parser_Tactic_change___closed__7;
 static lean_object* l_term___x3c_x2a_x3e_____closed__2;
 static lean_object* l_prec_x28___x29___closed__3;
 static lean_object* l_term_x5b___x5d___closed__1;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__5;
 static lean_object* l_stx___x2c_x2b_x2c_x3f___closed__1;
 static lean_object* l_term___x24_______closed__7;
 LEAN_EXPORT lean_object* l_Lean_Parser_Tactic_discharger;
@@ -1870,6 +1880,7 @@ static lean_object* l_Lean___aux__Init__Notation______macroRules__Lean__term__Ma
 static lean_object* l___aux__Init__Notation______macroRules__stx___x3f__1___closed__4;
 static lean_object* l_term_u2039___u203a___closed__8;
 LEAN_EXPORT lean_object* l_precMin1;
+static lean_object* l_Lean_Parser_Tactic_fail___closed__6;
 static lean_object* l_Lean___aux__Init__Notation______macroRules__Lean__term__Matches____1___closed__5;
 static lean_object* l_Lean_Parser_Tactic_rotateLeft___closed__1;
 static lean_object* l_Lean_term__Matches_____closed__1;
@@ -43519,6 +43530,120 @@ return x_73;
 }
 }
 }
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("fail");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_intro___closed__2;
+x_2 = l_Lean_Parser_Tactic_fail___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("fail ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__4() {
+_start:
+{
+lean_object* x_1; uint8_t x_2; lean_object* x_3; 
+x_1 = l_Lean_Parser_Tactic_fail___closed__3;
+x_2 = 0;
+x_3 = lean_alloc_ctor(6, 1, 1);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set_uint8(x_3, sizeof(void*)*1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("str");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Parser_Tactic_fail___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_Tactic_fail___closed__6;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___aux__Init__Notation______macroRules__stx___x3f__1___closed__4;
+x_2 = l_Lean_Parser_Tactic_fail___closed__7;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Lean_Parser_Syntax_addPrec___closed__10;
+x_2 = l_Lean_Parser_Tactic_fail___closed__4;
+x_3 = l_Lean_Parser_Tactic_fail___closed__8;
+x_4 = lean_alloc_ctor(2, 3, 0);
+lean_ctor_set(x_4, 0, x_1);
+lean_ctor_set(x_4, 1, x_2);
+lean_ctor_set(x_4, 2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail___closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Lean_Parser_Tactic_fail___closed__2;
+x_2 = lean_unsigned_to_nat(1022u);
+x_3 = l_Lean_Parser_Tactic_fail___closed__9;
+x_4 = lean_alloc_ctor(3, 3, 0);
+lean_ctor_set(x_4, 0, x_1);
+lean_ctor_set(x_4, 1, x_2);
+lean_ctor_set(x_4, 2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_Tactic_fail() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Parser_Tactic_fail___closed__10;
+return x_1;
+}
+}
 static lean_object* _init_l_Lean_Parser_Attr_simp___closed__1() {
 _start:
 {
@@ -47781,6 +47906,28 @@ l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic
 lean_mark_persistent(l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticUnhygienic____1___closed__7);
 l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticUnhygienic____1___closed__8 = _init_l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticUnhygienic____1___closed__8();
 lean_mark_persistent(l_Lean_Parser_Tactic___aux__Init__Notation______macroRules__Lean__Parser__Tactic__tacticUnhygienic____1___closed__8);
+l_Lean_Parser_Tactic_fail___closed__1 = _init_l_Lean_Parser_Tactic_fail___closed__1();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__1);
+l_Lean_Parser_Tactic_fail___closed__2 = _init_l_Lean_Parser_Tactic_fail___closed__2();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__2);
+l_Lean_Parser_Tactic_fail___closed__3 = _init_l_Lean_Parser_Tactic_fail___closed__3();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__3);
+l_Lean_Parser_Tactic_fail___closed__4 = _init_l_Lean_Parser_Tactic_fail___closed__4();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__4);
+l_Lean_Parser_Tactic_fail___closed__5 = _init_l_Lean_Parser_Tactic_fail___closed__5();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__5);
+l_Lean_Parser_Tactic_fail___closed__6 = _init_l_Lean_Parser_Tactic_fail___closed__6();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__6);
+l_Lean_Parser_Tactic_fail___closed__7 = _init_l_Lean_Parser_Tactic_fail___closed__7();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__7);
+l_Lean_Parser_Tactic_fail___closed__8 = _init_l_Lean_Parser_Tactic_fail___closed__8();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__8);
+l_Lean_Parser_Tactic_fail___closed__9 = _init_l_Lean_Parser_Tactic_fail___closed__9();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__9);
+l_Lean_Parser_Tactic_fail___closed__10 = _init_l_Lean_Parser_Tactic_fail___closed__10();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail___closed__10);
+l_Lean_Parser_Tactic_fail = _init_l_Lean_Parser_Tactic_fail();
+lean_mark_persistent(l_Lean_Parser_Tactic_fail);
 l_Lean_Parser_Attr_simp___closed__1 = _init_l_Lean_Parser_Attr_simp___closed__1();
 lean_mark_persistent(l_Lean_Parser_Attr_simp___closed__1);
 l_Lean_Parser_Attr_simp___closed__2 = _init_l_Lean_Parser_Attr_simp___closed__2();
diff --git a/stage0/stdlib/Init/WFTactics.c b/stage0/stdlib/Init/WFTactics.c
index 9216f0ad46..17a68033ad 100644
--- a/stage0/stdlib/Init/WFTactics.c
+++ b/stage0/stdlib/Init/WFTactics.c
@@ -13,8 +13,10 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__183;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__70;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__35;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__186;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__115;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__39;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__65;
@@ -22,6 +24,7 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__16;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__105;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__167;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__79;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__95;
@@ -41,7 +44,9 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__27;
 lean_object* lean_array_push(lean_object*, lean_object*);
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__45;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__189;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__129;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__175;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__40;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__67;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__9;
@@ -62,6 +67,8 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__119;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__92;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__134;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__193;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__191;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__18;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__76;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__15;
@@ -70,6 +77,7 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__28;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__5;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__30;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__184;
 LEAN_EXPORT lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__108;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__126;
@@ -79,16 +87,21 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l_tacticDecreasing__tactic___closed__3;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__149;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__117;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__185;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__77;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__165;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__172;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__85;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__12;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__192;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__116;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__128;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__90;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__169;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__102;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__59;
@@ -96,6 +109,7 @@ static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__
 static lean_object* l_tacticDecreasing__tactic___closed__5;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__113;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__159;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__187;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__37;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__21;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__107;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__179;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__170;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__199;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__4;
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 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__50;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__155;
+static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__182;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__130;
 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__1;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__150;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__84;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__104;
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 static lean_object* l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__144;
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+}
+}
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+lean_object* x_1; 
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_inc(x_10);
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 lean_inc(x_179);
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_inc(x_179);
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_inc(x_10);
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_inc(x_10);
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 lean_inc(x_10);
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 lean_inc(x_11);
 lean_inc(x_12);
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 lean_inc(x_10);
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 lean_ctor_set(x_756, 2, x_755);
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-x_758 = lean_array_push(x_757, x_710);
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 x_759 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_759, 0, x_425);
-lean_ctor_set(x_759, 1, x_508);
+lean_ctor_set(x_759, 0, x_530);
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 lean_ctor_set(x_759, 2, x_758);
-x_760 = lean_array_push(x_505, x_759);
-lean_inc(x_721);
-x_761 = lean_array_push(x_760, x_721);
-x_762 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_762, 0, x_425);
-lean_ctor_set(x_762, 1, x_486);
-lean_ctor_set(x_762, 2, x_761);
-x_763 = lean_array_push(x_530, x_762);
-x_764 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_764, 0, x_425);
-lean_ctor_set(x_764, 1, x_534);
-lean_ctor_set(x_764, 2, x_763);
-x_765 = lean_array_push(x_530, x_764);
-x_766 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_766, 0, x_425);
-lean_ctor_set(x_766, 1, x_537);
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-lean_inc(x_539);
-x_767 = lean_array_push(x_539, x_766);
-x_768 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_768, 0, x_425);
-lean_ctor_set(x_768, 1, x_508);
-lean_ctor_set(x_768, 2, x_767);
-x_769 = lean_array_push(x_530, x_721);
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+lean_ctor_set(x_763, 0, x_530);
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 x_770 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_770, 0, x_425);
-lean_ctor_set(x_770, 1, x_486);
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 lean_ctor_set(x_770, 2, x_769);
-x_771 = lean_array_push(x_530, x_770);
-x_772 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_772, 0, x_425);
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-x_773 = lean_array_push(x_530, x_772);
-x_774 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_774, 0, x_425);
-lean_ctor_set(x_774, 1, x_537);
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-x_775 = lean_array_push(x_539, x_774);
-x_776 = lean_alloc_ctor(1, 3, 0);
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-x_778 = lean_array_push(x_777, x_699);
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-x_780 = lean_array_push(x_779, x_749);
-x_781 = lean_array_push(x_780, x_768);
-x_782 = lean_array_push(x_781, x_776);
-x_783 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_783, 1, x_486);
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-x_784 = lean_array_push(x_563, x_783);
-x_785 = lean_alloc_ctor(1, 3, 0);
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-x_787 = lean_array_push(x_786, x_497);
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 x_788 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_788, 1, x_508);
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 lean_ctor_set(x_788, 2, x_787);
-x_789 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__160;
-x_790 = lean_array_push(x_789, x_509);
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-x_795 = lean_array_push(x_530, x_794);
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 x_796 = lean_alloc_ctor(1, 3, 0);
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 lean_ctor_set(x_796, 2, x_795);
-x_797 = lean_array_push(x_530, x_796);
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 x_798 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_798, 1, x_537);
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 lean_ctor_set(x_798, 2, x_797);
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-x_804 = lean_array_push(x_530, x_803);
-x_805 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__8;
-x_806 = lean_alloc_ctor(1, 3, 0);
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-x_807 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_807, 0, x_806);
-lean_ctor_set(x_807, 1, x_409);
-return x_807;
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+lean_ctor_set(x_800, 0, x_530);
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+lean_ctor_set(x_823, 1, x_822);
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+x_827 = lean_array_push(x_610, x_818);
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+x_828 = lean_array_push(x_827, x_826);
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+lean_ctor_set(x_829, 0, x_530);
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+lean_ctor_set(x_835, 0, x_530);
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+x_838 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__148;
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+lean_ctor_set(x_845, 0, x_530);
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+lean_ctor_set(x_845, 2, x_844);
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+x_847 = lean_array_push(x_846, x_826);
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+lean_ctor_set(x_848, 0, x_530);
+lean_ctor_set(x_848, 1, x_591);
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+x_853 = lean_array_push(x_644, x_852);
+x_854 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_854, 0, x_530);
+lean_ctor_set(x_854, 1, x_613);
+lean_ctor_set(x_854, 2, x_853);
+x_855 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__157;
+lean_inc(x_514);
+lean_inc(x_515);
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+x_857 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__155;
+x_858 = l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__159;
+lean_inc(x_512);
+x_859 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_859, 0, x_512);
+lean_ctor_set(x_859, 1, x_857);
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+lean_ctor_set(x_861, 0, x_530);
+lean_ctor_set(x_861, 1, x_630);
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+x_862 = lean_array_push(x_610, x_861);
+lean_inc(x_815);
+x_863 = lean_array_push(x_862, x_815);
+x_864 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_864, 0, x_530);
+lean_ctor_set(x_864, 1, x_613);
+lean_ctor_set(x_864, 2, x_863);
+x_865 = lean_array_push(x_610, x_864);
+lean_inc(x_826);
+x_866 = lean_array_push(x_865, x_826);
+x_867 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_867, 0, x_530);
+lean_ctor_set(x_867, 1, x_591);
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+lean_ctor_set(x_869, 0, x_530);
+lean_ctor_set(x_869, 1, x_639);
+lean_ctor_set(x_869, 2, x_868);
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+lean_ctor_set(x_871, 0, x_530);
+lean_ctor_set(x_871, 1, x_642);
+lean_ctor_set(x_871, 2, x_870);
+lean_inc(x_644);
+x_872 = lean_array_push(x_644, x_871);
+x_873 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_873, 0, x_530);
+lean_ctor_set(x_873, 1, x_613);
+lean_ctor_set(x_873, 2, x_872);
+x_874 = lean_array_push(x_635, x_826);
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+lean_ctor_set(x_875, 0, x_530);
+lean_ctor_set(x_875, 1, x_591);
+lean_ctor_set(x_875, 2, x_874);
+x_876 = lean_array_push(x_635, x_875);
+x_877 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_877, 0, x_530);
+lean_ctor_set(x_877, 1, x_639);
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+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__178);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__179 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__179();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__179);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__180 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__180();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__180);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__181 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__181();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__181);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__182 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__182();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__182);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__183 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__183();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__183);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__184 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__184();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__184);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__185 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__185();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__185);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__186 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__186();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__186);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__187 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__187();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__187);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__188 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__188();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__188);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__189 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__189();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__189);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__190 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__190();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__190);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__191 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__191();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__191);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__192 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__192();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__192);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__193 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__193();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__193);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__194 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__194();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__194);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__195 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__195();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__195);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__196 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__196();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__196);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__197 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__197();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__197);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__198 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__198();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__198);
+l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__199 = _init_l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__199();
+lean_mark_persistent(l___aux__Init__WFTactics______macroRules__tacticDecreasing__tactic__1___closed__199);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c b/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
index ab31ada678..dc8c5a9b68 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
@@ -25,6 +25,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_levelMVarToParamPreDeclsAux___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_addAndCompilePartialRec___spec__3(lean_object*, size_t, size_t);
 lean_object* l_Lean_stringToMessageData(lean_object*);
+lean_object* l_Lean_addDecl___at_Lean_Meta_mkAuxLemma___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_containsRecFn___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_addAsAxiom(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
@@ -178,7 +179,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at___private_Lean_Elab_
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_levelMVarToParamPreDeclsAux___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___closed__2;
-lean_object* l_Lean_addDecl___at_Lean_Meta_mkAuxDefinition___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_fixLevelParams___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_fixLevelParams___spec__1(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux___lambda__4___closed__2;
@@ -1478,7 +1478,7 @@ x_17 = lean_ctor_get(x_4, 3);
 x_18 = l_Lean_replaceRef(x_7, x_17);
 lean_dec(x_17);
 lean_ctor_set(x_4, 3, x_18);
-x_19 = l_Lean_addDecl___at_Lean_Meta_mkAuxDefinition___spec__1(x_15, x_2, x_3, x_4, x_5, x_6);
+x_19 = l_Lean_addDecl___at_Lean_Meta_mkAuxLemma___spec__4(x_15, x_2, x_3, x_4, x_5, x_6);
 return x_19;
 }
 else
@@ -1512,7 +1512,7 @@ lean_ctor_set(x_29, 4, x_24);
 lean_ctor_set(x_29, 5, x_25);
 lean_ctor_set(x_29, 6, x_26);
 lean_ctor_set(x_29, 7, x_27);
-x_30 = l_Lean_addDecl___at_Lean_Meta_mkAuxDefinition___spec__1(x_15, x_2, x_3, x_29, x_5, x_6);
+x_30 = l_Lean_addDecl___at_Lean_Meta_mkAuxLemma___spec__4(x_15, x_2, x_3, x_29, x_5, x_6);
 return x_30;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
index 5720b69df4..40f105320f 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
@@ -374,7 +374,7 @@ lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_4);
-lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_3);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/SmartUnfolding.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/SmartUnfolding.c
index af7d33ac58..80d4f9d169 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/SmartUnfolding.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/SmartUnfolding.c
@@ -25,7 +25,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Structural_addSma
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__7___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_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
@@ -55,7 +54,6 @@ lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__6(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__4(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_markSmartUnfoldingMatch(lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
@@ -77,6 +75,7 @@ lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__L
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Meta_Tactic_Simp_SimpTheorems_0__Lean_Meta_isPerm___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_MatcherApp_toExpr(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
@@ -94,7 +93,6 @@ lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__7___lambda__2___closed__1;
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__7___lambda__3___closed__3;
 lean_object* l_Lean_Meta_isProp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1548,65 +1546,6 @@ return x_84;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8___rarg(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) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_10) == 0)
-{
-uint8_t x_11; 
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_ctor_get(x_10, 1);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_dec(x_10);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_12);
-lean_ctor_set(x_14, 1, x_13);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_10);
-if (x_15 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_10, 0);
-x_17 = lean_ctor_get(x_10, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_10);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8___rarg), 9, 0);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___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) {
 _start:
 {
@@ -2106,7 +2045,7 @@ x_105 = lean_alloc_closure((void*)(l_Lean_Elab_Structural_addSmartUnfoldingDefAu
 lean_closure_set(x_105, 0, x_101);
 lean_closure_set(x_105, 1, x_1);
 lean_closure_set(x_105, 2, x_2);
-x_106 = l_Lean_Meta_withLetDecl___at_Lean_Elab_Structural_addSmartUnfoldingDefAux_visit___spec__8___rarg(x_98, x_99, x_103, x_105, x_4, x_5, x_6, x_7, x_104);
+x_106 = l_Lean_Meta_withLetDecl___at___private_Lean_Meta_Tactic_Simp_SimpTheorems_0__Lean_Meta_isPerm___spec__1___rarg(x_98, x_99, x_103, x_105, x_4, x_5, x_6, x_7, x_104);
 return x_106;
 }
 else
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
index fa8c4e7837..667c97e593 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
@@ -2015,7 +2015,7 @@ lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_4);
-lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_3);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
index 83a4823d27..dc220c91de 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
@@ -33,14 +33,15 @@ static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinitio
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1;
+static lean_object* l_Lean_Elab_wfRecursion___closed__6;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_wfRecursion___closed__4;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1(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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_wfRecursion___lambda__4___closed__3;
 static lean_object* l_Lean_Elab_wfRecursion___closed__1;
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -51,7 +52,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix_
 LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go___rarg___lambda__1(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_string_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -69,6 +70,7 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__7;
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_wfRecursion___closed__3;
 lean_object* l_Lean_Elab_applyAttributesOf(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10;
@@ -97,8 +99,9 @@ lean_object* l_Lean_Elab_WF_registerEqnsInfo(lean_object*, lean_object*, lean_ob
 lean_object* l_Nat_repr(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__3(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_1991_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_2032_(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__10;
+static lean_object* l_Lean_Elab_wfRecursion___closed__5;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_instInhabitedPreDefinition;
 lean_object* l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux(lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -106,6 +109,7 @@ lean_object* l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(lean_object*,
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_wfRecursion___lambda__1___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3;
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1;
 extern lean_object* l_Lean_instInhabitedExpr;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -135,7 +139,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Ela
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__3;
 lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_wfRecursion___closed__2;
@@ -143,9 +147,7 @@ lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_
 LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_wfRecursion___lambda__4___closed__1;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2;
-static lean_object* l_Lean_Elab_wfRecursion___lambda__4___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1;
 lean_object* l_List_mapTRAux___at_Lean_mkConstWithLevelParams___spec__1(lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
@@ -155,6 +157,7 @@ lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_wfRecursion___lambda__2___closed__2;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__9;
 static lean_object* l_Lean_Elab_wfRecursion___lambda__2___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -170,7 +173,6 @@ uint8_t l_Lean_Expr_binderInfo(lean_object*);
 static lean_object* l_Lean_Elab_getFixedPrefix___lambda__2___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_wfRecursion___lambda__4___closed__4;
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -181,7 +183,6 @@ lean_object* l_panic___at_Lean_Meta_whnfCore___spec__1(lean_object*, lean_object
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 lean_object* l_Lean_Elab_WF_mkFix(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_mkConst(lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__8;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7;
@@ -3849,6 +3850,15 @@ lean_dec(x_1);
 return x_10;
 }
 }
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(1u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(lean_object* x_1, size_t x_2, size_t 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) {
 _start:
 {
@@ -3857,6 +3867,77 @@ x_12 = lean_usize_dec_lt(x_3, x_2);
 if (x_12 == 0)
 {
 lean_object* x_13; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_4);
+lean_ctor_set(x_13, 1, x_11);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
+lean_dec(x_4);
+x_14 = lean_array_uget(x_1, x_3);
+x_15 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1;
+x_16 = lean_array_push(x_15, x_14);
+x_17 = 1;
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_5);
+x_18 = l_Lean_Elab_applyAttributesOf(x_16, x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_16);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; size_t x_20; size_t x_21; lean_object* x_22; 
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = 1;
+x_21 = lean_usize_add(x_3, x_20);
+x_22 = lean_box(0);
+x_3 = x_21;
+x_4 = x_22;
+x_11 = x_19;
+goto _start;
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+x_24 = !lean_is_exclusive(x_18);
+if (x_24 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_18, 0);
+x_26 = lean_ctor_get(x_18, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_18);
+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;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(lean_object* x_1, size_t x_2, size_t 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) {
+_start:
+{
+uint8_t x_12; 
+x_12 = lean_usize_dec_lt(x_3, x_2);
+if (x_12 == 0)
+{
+lean_object* x_13; 
 lean_dec(x_9);
 x_13 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_13, 0, x_4);
@@ -3911,86 +3992,6 @@ return x_24;
 }
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_unsigned_to_nat(1u);
-x_2 = lean_mk_empty_array_with_capacity(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(lean_object* x_1, size_t x_2, size_t 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) {
-_start:
-{
-uint8_t x_12; 
-x_12 = lean_usize_dec_lt(x_3, x_2);
-if (x_12 == 0)
-{
-lean_object* x_13; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_5);
-x_13 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_13, 0, x_4);
-lean_ctor_set(x_13, 1, x_11);
-return x_13;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
-lean_dec(x_4);
-x_14 = lean_array_uget(x_1, x_3);
-x_15 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1;
-x_16 = lean_array_push(x_15, x_14);
-x_17 = 1;
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_5);
-x_18 = l_Lean_Elab_applyAttributesOf(x_16, x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_16);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; size_t x_20; size_t x_21; lean_object* x_22; 
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = 1;
-x_21 = lean_usize_add(x_3, x_20);
-x_22 = lean_box(0);
-x_3 = x_21;
-x_4 = x_22;
-x_11 = x_19;
-goto _start;
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_5);
-x_24 = !lean_is_exclusive(x_18);
-if (x_24 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_18, 0);
-x_26 = lean_ctor_get(x_18, 1);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_18);
-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;
-}
-}
-}
-}
-}
 static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__1___closed__1() {
 _start:
 {
@@ -4302,31 +4303,32 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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, lean_object* x_15, lean_object* x_16) {
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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, lean_object* x_15) {
 _start:
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = l_Lean_Expr_bindingDomain_x21(x_9);
-lean_dec(x_9);
-x_18 = lean_ctor_get(x_1, 3);
-lean_inc(x_18);
-lean_inc(x_15);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = l_Lean_Expr_bindingDomain_x21(x_8);
+lean_dec(x_8);
+x_17 = lean_ctor_get(x_1, 3);
+lean_inc(x_17);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_18);
-x_19 = l_Lean_Elab_WF_elabWFRel(x_2, x_18, x_3, x_17, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
-if (lean_obj_tag(x_19) == 0)
+lean_inc(x_9);
+lean_inc(x_17);
+x_18 = l_Lean_Elab_WF_elabWFRel(x_2, x_17, x_3, x_16, x_4, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-x_20 = lean_ctor_get(x_19, 0);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
-lean_dec(x_19);
-x_36 = lean_st_ref_get(x_15, x_21);
+lean_dec(x_18);
+x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
+x_36 = lean_st_ref_get(x_14, x_20);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_37, 3);
@@ -4351,8 +4353,7 @@ lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint
 x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
-lean_inc(x_7);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_7, x_10, x_11, x_12, x_13, x_14, x_15, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_9, x_10, x_11, x_12, x_13, x_14, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -4369,17 +4370,16 @@ block_35:
 if (x_22 == 0)
 {
 lean_object* x_24; lean_object* x_25; 
-lean_dec(x_7);
 x_24 = lean_box(0);
-x_25 = l_Lean_Elab_wfRecursion___lambda__1(x_1, x_8, x_20, x_5, x_18, x_6, x_24, x_10, x_11, x_12, x_13, x_14, x_15, x_23);
+x_25 = l_Lean_Elab_wfRecursion___lambda__1(x_1, x_7, x_19, x_5, x_17, x_6, x_24, x_9, x_10, x_11, x_12, x_13, x_14, x_23);
 return x_25;
 }
 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_inc(x_20);
+lean_inc(x_19);
 x_26 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_26, 0, x_20);
+lean_ctor_set(x_26, 0, x_19);
 x_27 = l_Lean_Elab_wfRecursion___lambda__2___closed__2;
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_27);
@@ -4388,13 +4388,13 @@ x_29 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_28);
 lean_ctor_set(x_30, 1, x_29);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_7, x_30, x_10, x_11, x_12, x_13, x_14, x_15, x_23);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_30, x_9, x_10, x_11, x_12, x_13, x_14, x_23);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);
 lean_inc(x_33);
 lean_dec(x_31);
-x_34 = l_Lean_Elab_wfRecursion___lambda__1(x_1, x_8, x_20, x_5, x_18, x_6, x_32, x_10, x_11, x_12, x_13, x_14, x_15, x_33);
+x_34 = l_Lean_Elab_wfRecursion___lambda__1(x_1, x_7, x_19, x_5, x_17, x_6, x_32, x_9, x_10, x_11, x_12, x_13, x_14, x_33);
 lean_dec(x_32);
 return x_34;
 }
@@ -4403,31 +4403,30 @@ return x_34;
 else
 {
 uint8_t x_47; 
-lean_dec(x_18);
-lean_dec(x_15);
+lean_dec(x_17);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_8);
+lean_dec(x_9);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_1);
-x_47 = !lean_is_exclusive(x_19);
+x_47 = !lean_is_exclusive(x_18);
 if (x_47 == 0)
 {
-return x_19;
+return x_18;
 }
 else
 {
 lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_19, 0);
-x_49 = lean_ctor_get(x_19, 1);
+x_48 = lean_ctor_get(x_18, 0);
+x_49 = lean_ctor_get(x_18, 1);
 lean_inc(x_49);
 lean_inc(x_48);
-lean_dec(x_19);
+lean_dec(x_18);
 x_50 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
@@ -4497,7 +4496,7 @@ x_28 = lean_box(0);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_7);
-x_29 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(x_15, x_27, x_2, x_28, x_7, x_8, x_9, x_10, x_11, x_12, x_25);
+x_29 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(x_15, x_27, x_2, x_28, x_7, x_8, x_9, x_10, x_11, x_12, x_25);
 if (lean_obj_tag(x_29) == 0)
 {
 lean_object* x_30; lean_object* x_31; 
@@ -4632,7 +4631,111 @@ return x_47;
 }
 }
 }
-static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4(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) {
+_start:
+{
+lean_object* x_11; 
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_1);
+x_11 = l_Lean_Elab_WF_packDomain(x_1, x_2, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+lean_inc(x_1);
+x_14 = l_Lean_Elab_WF_packMutual(x_1, x_12, x_6, x_7, x_8, x_9, x_13);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_1);
+lean_ctor_set(x_14, 0, x_17);
+return x_14;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_14, 0);
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_14);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_1);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+return x_21;
+}
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_1);
+x_22 = !lean_is_exclusive(x_14);
+if (x_22 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_14, 0);
+x_24 = lean_ctor_get(x_14, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_14);
+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_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_26 = !lean_is_exclusive(x_11);
+if (x_26 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_11, 0);
+x_28 = lean_ctor_get(x_11, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_11);
+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;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4640,16 +4743,16 @@ x_1 = lean_mk_string(">> ");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__2() {
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_wfRecursion___lambda__4___closed__1;
+x_1 = l_Lean_Elab_wfRecursion___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__3() {
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -4657,287 +4760,153 @@ x_1 = lean_mk_string(" :=\n");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__4() {
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_wfRecursion___lambda__4___closed__3;
+x_1 = l_Lean_Elab_wfRecursion___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4(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) {
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__5() {
 _start:
 {
-lean_object* x_14; size_t x_15; size_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; 
-lean_dec(x_6);
-x_14 = lean_array_get_size(x_1);
-x_15 = lean_usize_of_nat(x_14);
+lean_object* x_1; 
+x_1 = lean_mk_string("fixed prefix: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_wfRecursion___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion(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) {
+_start:
+{
+lean_object* x_11; size_t x_12; size_t x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_67; lean_object* x_68; 
+x_11 = lean_array_get_size(x_1);
+x_12 = lean_usize_of_nat(x_11);
+lean_dec(x_11);
+x_13 = 0;
+x_14 = lean_st_ref_get(x_9, x_10);
+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_16 = 0;
-x_17 = lean_st_ref_get(x_12, x_13);
-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 = lean_ctor_get(x_18, 0);
-lean_inc(x_20);
-lean_dec(x_18);
-x_21 = lean_box(0);
-lean_inc(x_11);
-x_22 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(x_1, x_15, x_16, x_21, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
-if (lean_obj_tag(x_22) == 0)
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_67 = lean_box(0);
+lean_inc(x_8);
+x_68 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(x_1, x_12, x_13, x_67, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+if (lean_obj_tag(x_68) == 0)
 {
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_22, 1);
-lean_inc(x_23);
-lean_dec(x_22);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_1);
-lean_inc(x_2);
-x_24 = l_Lean_Elab_WF_packDomain(x_2, x_1, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_24) == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_24, 0);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_24, 1);
-lean_inc(x_26);
-lean_dec(x_24);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_2);
-x_27 = l_Lean_Elab_WF_packMutual(x_2, x_25, x_9, x_10, x_11, x_12, x_26);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_27, 1);
-lean_inc(x_29);
-lean_dec(x_27);
-x_30 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_20, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
-x_31 = lean_ctor_get(x_30, 1);
-lean_inc(x_31);
-lean_dec(x_30);
-x_32 = lean_ctor_get(x_28, 4);
-lean_inc(x_32);
-lean_inc(x_2);
-x_33 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_33, 0, x_2);
-lean_inc(x_5);
-lean_inc(x_32);
-lean_inc(x_2);
-lean_inc(x_1);
-x_34 = lean_alloc_closure((void*)(l_Lean_Elab_wfRecursion___lambda__2), 16, 7);
-lean_closure_set(x_34, 0, x_28);
-lean_closure_set(x_34, 1, x_1);
-lean_closure_set(x_34, 2, x_2);
-lean_closure_set(x_34, 3, x_3);
-lean_closure_set(x_34, 4, x_4);
-lean_closure_set(x_34, 5, x_32);
-lean_closure_set(x_34, 6, x_5);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
+lean_object* x_69; lean_object* x_70; 
+x_69 = lean_ctor_get(x_68, 1);
+lean_inc(x_69);
+lean_dec(x_68);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_35 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_32, x_33, x_34, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
-if (lean_obj_tag(x_35) == 0)
-{
-lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
-x_57 = lean_st_ref_get(x_12, x_37);
-x_58 = lean_ctor_get(x_57, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_58, 3);
-lean_inc(x_59);
-lean_dec(x_58);
-x_60 = lean_ctor_get_uint8(x_59, sizeof(void*)*1);
-lean_dec(x_59);
-if (x_60 == 0)
-{
-lean_object* x_61; uint8_t x_62; 
-x_61 = lean_ctor_get(x_57, 1);
-lean_inc(x_61);
-lean_dec(x_57);
-x_62 = 0;
-x_38 = x_62;
-x_39 = x_61;
-goto block_56;
-}
-else
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
-x_63 = lean_ctor_get(x_57, 1);
-lean_inc(x_63);
-lean_dec(x_57);
+lean_inc(x_6);
 lean_inc(x_5);
-x_64 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_63);
-x_65 = lean_ctor_get(x_64, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_64, 1);
-lean_inc(x_66);
-lean_dec(x_64);
-x_67 = lean_unbox(x_65);
-lean_dec(x_65);
-x_38 = x_67;
-x_39 = x_66;
-goto block_56;
-}
-block_56:
+lean_inc(x_4);
+lean_inc(x_1);
+x_70 = l_Lean_Elab_getFixedPrefix(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_69);
+if (lean_obj_tag(x_70) == 0)
 {
-if (x_38 == 0)
-{
-lean_object* x_40; 
-lean_dec(x_5);
-x_40 = l_Lean_Elab_wfRecursion___lambda__3(x_15, x_16, x_1, x_36, x_2, x_21, x_7, x_8, x_9, x_10, x_11, x_12, x_39);
-return x_40;
-}
-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; 
-x_41 = lean_ctor_get(x_36, 3);
-lean_inc(x_41);
-x_42 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_42, 0, x_41);
-x_43 = l_Lean_Elab_wfRecursion___lambda__4___closed__2;
-x_44 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_42);
-x_45 = l_Lean_Elab_wfRecursion___lambda__4___closed__4;
-x_46 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_46, 0, x_44);
-lean_ctor_set(x_46, 1, x_45);
-x_47 = lean_ctor_get(x_36, 5);
-lean_inc(x_47);
-x_48 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_48, 0, x_47);
-x_49 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_49, 0, x_46);
-lean_ctor_set(x_49, 1, x_48);
-x_50 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
-x_51 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-x_52 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_51, x_7, x_8, x_9, x_10, x_11, x_12, x_39);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
-lean_inc(x_54);
-lean_dec(x_52);
-x_55 = l_Lean_Elab_wfRecursion___lambda__3(x_15, x_16, x_1, x_36, x_2, x_53, x_7, x_8, x_9, x_10, x_11, x_12, x_54);
-lean_dec(x_53);
-return x_55;
-}
-}
-}
-else
-{
-uint8_t x_68; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_68 = !lean_is_exclusive(x_35);
-if (x_68 == 0)
-{
-return x_35;
-}
-else
-{
-lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_69 = lean_ctor_get(x_35, 0);
-x_70 = lean_ctor_get(x_35, 1);
-lean_inc(x_70);
-lean_inc(x_69);
-lean_dec(x_35);
-x_71 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_71, 0, x_69);
-lean_ctor_set(x_71, 1, x_70);
-return x_71;
-}
-}
-}
-else
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_72 = lean_ctor_get(x_27, 0);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; lean_object* x_75; lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; 
+x_71 = lean_ctor_get(x_70, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_70, 1);
 lean_inc(x_72);
-x_73 = lean_ctor_get(x_27, 1);
-lean_inc(x_73);
-lean_dec(x_27);
-x_74 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_20, x_7, x_8, x_9, x_10, x_11, x_12, x_73);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
+lean_dec(x_70);
+x_73 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
+x_107 = lean_st_ref_get(x_9, x_72);
+x_108 = lean_ctor_get(x_107, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_108, 3);
+lean_inc(x_109);
+lean_dec(x_108);
+x_110 = lean_ctor_get_uint8(x_109, sizeof(void*)*1);
+lean_dec(x_109);
+if (x_110 == 0)
+{
+lean_object* x_111; uint8_t x_112; 
+x_111 = lean_ctor_get(x_107, 1);
+lean_inc(x_111);
+lean_dec(x_107);
+x_112 = 0;
+x_74 = x_112;
+x_75 = x_111;
+goto block_106;
+}
+else
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
+x_113 = lean_ctor_get(x_107, 1);
+lean_inc(x_113);
+lean_dec(x_107);
+x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_73, x_4, x_5, x_6, x_7, x_8, x_9, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = lean_unbox(x_115);
+lean_dec(x_115);
+x_74 = x_117;
+x_75 = x_116;
+goto block_106;
+}
+block_106:
+{
+if (x_74 == 0)
 {
 lean_object* x_76; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-lean_ctor_set_tag(x_74, 1);
-lean_ctor_set(x_74, 0, x_72);
-return x_74;
-}
-else
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_1);
+x_76 = l_Lean_Elab_wfRecursion___lambda__4(x_71, x_1, x_67, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
+if (lean_obj_tag(x_76) == 0)
 {
 lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_74, 1);
+x_77 = lean_ctor_get(x_76, 0);
 lean_inc(x_77);
-lean_dec(x_74);
-x_78 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_78, 0, x_72);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_18 = x_77;
+x_19 = x_78;
+goto block_66;
 }
 else
 {
 lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_79 = lean_ctor_get(x_24, 0);
+x_79 = lean_ctor_get(x_76, 0);
 lean_inc(x_79);
-x_80 = lean_ctor_get(x_24, 1);
+x_80 = lean_ctor_get(x_76, 1);
 lean_inc(x_80);
-lean_dec(x_24);
-x_81 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_20, x_7, x_8, x_9, x_10, x_11, x_12, x_80);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
+lean_dec(x_76);
+x_81 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_80);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_82 = !lean_is_exclusive(x_81);
 if (x_82 == 0)
 {
@@ -4963,189 +4932,326 @@ return x_85;
 }
 else
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_86 = lean_ctor_get(x_22, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_22, 1);
-lean_inc(x_87);
-lean_dec(x_22);
-x_88 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_20, x_7, x_8, x_9, x_10, x_11, x_12, x_87);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_89 = !lean_is_exclusive(x_88);
-if (x_89 == 0)
-{
-lean_object* x_90; 
-x_90 = lean_ctor_get(x_88, 0);
-lean_dec(x_90);
-lean_ctor_set_tag(x_88, 1);
-lean_ctor_set(x_88, 0, x_86);
-return x_88;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; 
-x_91 = lean_ctor_get(x_88, 1);
-lean_inc(x_91);
-lean_dec(x_88);
-x_92 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_92, 0, x_86);
+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_inc(x_71);
+x_86 = l_Nat_repr(x_71);
+x_87 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_87, 0, x_86);
+x_88 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_88, 0, x_87);
+x_89 = l_Lean_Elab_wfRecursion___closed__6;
+x_90 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_88);
+x_91 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
+x_92 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_92, 0, x_90);
 lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-}
-}
-static lean_object* _init_l_Lean_Elab_wfRecursion___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("fixed prefix: ");
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_wfRecursion___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_wfRecursion___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion(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) {
-_start:
-{
-lean_object* x_11; 
+x_93 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_73, x_92, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_93, 1);
+lean_inc(x_95);
+lean_dec(x_93);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_1);
-x_11 = l_Lean_Elab_getFixedPrefix(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_11) == 0)
+x_96 = l_Lean_Elab_wfRecursion___lambda__4(x_71, x_1, x_94, x_4, x_5, x_6, x_7, x_8, x_9, x_95);
+lean_dec(x_94);
+if (lean_obj_tag(x_96) == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
-x_31 = lean_st_ref_get(x_9, x_13);
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_32, 3);
-lean_inc(x_33);
-lean_dec(x_32);
-x_34 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
-lean_dec(x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_31, 1);
-lean_inc(x_35);
-lean_dec(x_31);
-x_36 = 0;
-x_15 = x_36;
-x_16 = x_35;
-goto block_30;
+lean_object* x_97; lean_object* x_98; 
+x_97 = lean_ctor_get(x_96, 0);
+lean_inc(x_97);
+x_98 = lean_ctor_get(x_96, 1);
+lean_inc(x_98);
+lean_dec(x_96);
+x_18 = x_97;
+x_19 = x_98;
+goto block_66;
 }
 else
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_37 = lean_ctor_get(x_31, 1);
-lean_inc(x_37);
-lean_dec(x_31);
-x_38 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_4, x_5, x_6, x_7, x_8, x_9, x_37);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_unbox(x_39);
-lean_dec(x_39);
-x_15 = x_41;
-x_16 = x_40;
-goto block_30;
-}
-block_30:
-{
-if (x_15 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_box(0);
-x_18 = l_Lean_Elab_wfRecursion___lambda__4(x_1, x_12, x_2, x_3, x_14, x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
-return x_18;
-}
-else
-{
-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; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-lean_inc(x_12);
-x_19 = l_Nat_repr(x_12);
-x_20 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-x_21 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_21, 0, x_20);
-x_22 = l_Lean_Elab_wfRecursion___closed__2;
-x_23 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_21);
-x_24 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
-x_25 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-x_26 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_25, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-x_29 = l_Lean_Elab_wfRecursion___lambda__4(x_1, x_12, x_2, x_3, x_14, x_27, x_4, x_5, x_6, x_7, x_8, x_9, x_28);
-return x_29;
-}
-}
-}
-else
-{
-uint8_t x_42; 
+lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_99 = lean_ctor_get(x_96, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_96, 1);
+lean_inc(x_100);
+lean_dec(x_96);
+x_101 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_100);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_42 = !lean_is_exclusive(x_11);
-if (x_42 == 0)
+x_102 = !lean_is_exclusive(x_101);
+if (x_102 == 0)
 {
-return x_11;
+lean_object* x_103; 
+x_103 = lean_ctor_get(x_101, 0);
+lean_dec(x_103);
+lean_ctor_set_tag(x_101, 1);
+lean_ctor_set(x_101, 0, x_99);
+return x_101;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_11, 0);
-x_44 = lean_ctor_get(x_11, 1);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_11);
-x_45 = lean_alloc_ctor(1, 2, 0);
+lean_object* x_104; lean_object* x_105; 
+x_104 = lean_ctor_get(x_101, 1);
+lean_inc(x_104);
+lean_dec(x_101);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_99);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_118 = lean_ctor_get(x_70, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_70, 1);
+lean_inc(x_119);
+lean_dec(x_70);
+x_120 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_119);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_121 = !lean_is_exclusive(x_120);
+if (x_121 == 0)
+{
+lean_object* x_122; 
+x_122 = lean_ctor_get(x_120, 0);
+lean_dec(x_122);
+lean_ctor_set_tag(x_120, 1);
+lean_ctor_set(x_120, 0, x_118);
+return x_120;
+}
+else
+{
+lean_object* x_123; lean_object* x_124; 
+x_123 = lean_ctor_get(x_120, 1);
+lean_inc(x_123);
+lean_dec(x_120);
+x_124 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_124, 0, x_118);
+lean_ctor_set(x_124, 1, x_123);
+return x_124;
+}
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_125 = lean_ctor_get(x_68, 0);
+lean_inc(x_125);
+x_126 = lean_ctor_get(x_68, 1);
+lean_inc(x_126);
+lean_dec(x_68);
+x_127 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_126);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_128 = !lean_is_exclusive(x_127);
+if (x_128 == 0)
+{
+lean_object* x_129; 
+x_129 = lean_ctor_get(x_127, 0);
+lean_dec(x_129);
+lean_ctor_set_tag(x_127, 1);
+lean_ctor_set(x_127, 0, x_125);
+return x_127;
+}
+else
+{
+lean_object* x_130; lean_object* x_131; 
+x_130 = lean_ctor_get(x_127, 1);
+lean_inc(x_130);
+lean_dec(x_127);
+x_131 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_131, 0, x_125);
+lean_ctor_set(x_131, 1, x_130);
+return x_131;
+}
+}
+block_66:
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_20 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_19);
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_18, 1);
+lean_inc(x_23);
+lean_dec(x_18);
+x_24 = lean_ctor_get(x_21, 4);
+lean_inc(x_24);
+lean_inc(x_23);
+x_25 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_inc(x_1);
+x_26 = lean_alloc_closure((void*)(l_Lean_Elab_wfRecursion___lambda__2), 15, 6);
+lean_closure_set(x_26, 0, x_21);
+lean_closure_set(x_26, 1, x_1);
+lean_closure_set(x_26, 2, x_23);
+lean_closure_set(x_26, 3, x_2);
+lean_closure_set(x_26, 4, x_3);
+lean_closure_set(x_26, 5, x_24);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_27 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_24, x_25, x_26, x_4, x_5, x_6, x_7, x_8, x_9, x_22);
+if (lean_obj_tag(x_27) == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
+x_51 = lean_st_ref_get(x_9, x_29);
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_52, 3);
+lean_inc(x_53);
+lean_dec(x_52);
+x_54 = lean_ctor_get_uint8(x_53, sizeof(void*)*1);
+lean_dec(x_53);
+if (x_54 == 0)
+{
+lean_object* x_55; uint8_t x_56; 
+x_55 = lean_ctor_get(x_51, 1);
+lean_inc(x_55);
+lean_dec(x_51);
+x_56 = 0;
+x_31 = x_56;
+x_32 = x_55;
+goto block_50;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+x_57 = lean_ctor_get(x_51, 1);
+lean_inc(x_57);
+lean_dec(x_51);
+x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = lean_unbox(x_59);
+lean_dec(x_59);
+x_31 = x_61;
+x_32 = x_60;
+goto block_50;
+}
+block_50:
+{
+if (x_31 == 0)
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_box(0);
+x_34 = l_Lean_Elab_wfRecursion___lambda__3(x_12, x_13, x_1, x_28, x_23, x_33, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
+return x_34;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_35 = lean_ctor_get(x_28, 3);
+lean_inc(x_35);
+x_36 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_36, 0, x_35);
+x_37 = l_Lean_Elab_wfRecursion___closed__2;
+x_38 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_39 = l_Lean_Elab_wfRecursion___closed__4;
+x_40 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+x_41 = lean_ctor_get(x_28, 5);
+lean_inc(x_41);
+x_42 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_42, 0, x_41);
+x_43 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_43, 0, x_40);
+lean_ctor_set(x_43, 1, x_42);
+x_44 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
+x_45 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_45, 0, x_43);
 lean_ctor_set(x_45, 1, x_44);
-return x_45;
+x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_30, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 1);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = l_Lean_Elab_wfRecursion___lambda__3(x_12, x_13, x_1, x_28, x_23, x_47, x_4, x_5, x_6, x_7, x_8, x_9, x_48);
+lean_dec(x_47);
+return x_49;
+}
+}
+}
+else
+{
+uint8_t x_62; 
+lean_dec(x_23);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+x_62 = !lean_is_exclusive(x_27);
+if (x_62 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_27, 0);
+x_64 = lean_ctor_get(x_27, 1);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_27);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
 }
 }
 }
@@ -5159,11 +5265,9 @@ lean_dec(x_2);
 x_13 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(x_1, x_12, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_10);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
 lean_dec(x_1);
 return x_14;
 }
@@ -5177,9 +5281,11 @@ lean_dec(x_2);
 x_13 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(x_1, x_12, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
 lean_dec(x_1);
 return x_14;
 }
@@ -5206,7 +5312,18 @@ lean_dec(x_6);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_1991_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__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) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Elab_wfRecursion___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_2032_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -5318,8 +5435,8 @@ l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2 = _
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2);
 l_Lean_Elab_getFixedPrefix___lambda__2___closed__1 = _init_l_Lean_Elab_getFixedPrefix___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Elab_getFixedPrefix___lambda__2___closed__1);
-l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1___closed__1);
 l_Lean_Elab_wfRecursion___lambda__1___closed__1 = _init_l_Lean_Elab_wfRecursion___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__1___closed__1);
 l_Lean_Elab_wfRecursion___lambda__1___closed__2 = _init_l_Lean_Elab_wfRecursion___lambda__1___closed__2();
@@ -5328,19 +5445,19 @@ l_Lean_Elab_wfRecursion___lambda__2___closed__1 = _init_l_Lean_Elab_wfRecursion_
 lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__2___closed__1);
 l_Lean_Elab_wfRecursion___lambda__2___closed__2 = _init_l_Lean_Elab_wfRecursion___lambda__2___closed__2();
 lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__2___closed__2);
-l_Lean_Elab_wfRecursion___lambda__4___closed__1 = _init_l_Lean_Elab_wfRecursion___lambda__4___closed__1();
-lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__4___closed__1);
-l_Lean_Elab_wfRecursion___lambda__4___closed__2 = _init_l_Lean_Elab_wfRecursion___lambda__4___closed__2();
-lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__4___closed__2);
-l_Lean_Elab_wfRecursion___lambda__4___closed__3 = _init_l_Lean_Elab_wfRecursion___lambda__4___closed__3();
-lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__4___closed__3);
-l_Lean_Elab_wfRecursion___lambda__4___closed__4 = _init_l_Lean_Elab_wfRecursion___lambda__4___closed__4();
-lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__4___closed__4);
 l_Lean_Elab_wfRecursion___closed__1 = _init_l_Lean_Elab_wfRecursion___closed__1();
 lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__1);
 l_Lean_Elab_wfRecursion___closed__2 = _init_l_Lean_Elab_wfRecursion___closed__2();
 lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__2);
-res = l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_1991_(lean_io_mk_world());
+l_Lean_Elab_wfRecursion___closed__3 = _init_l_Lean_Elab_wfRecursion___closed__3();
+lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__3);
+l_Lean_Elab_wfRecursion___closed__4 = _init_l_Lean_Elab_wfRecursion___closed__4();
+lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__4);
+l_Lean_Elab_wfRecursion___closed__5 = _init_l_Lean_Elab_wfRecursion___closed__5();
+lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__5);
+l_Lean_Elab_wfRecursion___closed__6 = _init_l_Lean_Elab_wfRecursion___closed__6();
+lean_mark_persistent(l_Lean_Elab_wfRecursion___closed__6);
+res = l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_2032_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Basic.c b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
index b943ee9f5a..3e2cadc8f8 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Basic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
@@ -219,7 +219,6 @@ static lean_object* l_Lean_Elab_Tactic_instMonadBacktrackSavedStateTacticM___clo
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__1;
-static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1;
 static lean_object* l_Lean_Elab_Term_reportUnsolvedGoals___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_TacticM_runCore(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalTacticAux___lambda__2___closed__1;
@@ -316,7 +315,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_liftMetaTacticAux(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_adaptExpander(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_closeMainGoal(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_tryTactic___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246_(lean_object*);
 lean_object* l_Lean_Meta_getMVarDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_throwNoGoalsToBeSolved___spec__1___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_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -329,6 +328,7 @@ static lean_object* l_Lean_Elab_Tactic_instAlternativeTacticM___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Tactic_expandTacticMacroFns_loop___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getTailPos_x3f(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Tactic_expandTacticMacroFns_loop___spec__1___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_tryTactic_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_throwNoGoalsToBeSolved___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_replaceMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -12154,7 +12154,7 @@ lean_dec(x_1);
 return x_5;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1() {
+static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -12164,11 +12164,11 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1;
+x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -12419,9 +12419,9 @@ l_Lean_Elab_Tactic_getNameOfIdent_x27___closed__2 = _init_l_Lean_Elab_Tactic_get
 lean_mark_persistent(l_Lean_Elab_Tactic_getNameOfIdent_x27___closed__2);
 l_Lean_Elab_Tactic_withCaseRef___rarg___closed__1 = _init_l_Lean_Elab_Tactic_withCaseRef___rarg___closed__1();
 lean_mark_persistent(l_Lean_Elab_Tactic_withCaseRef___rarg___closed__1);
-l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1();
-lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248____closed__1);
-res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3248_(lean_io_mk_world());
+l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246____closed__1);
+res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Basic___hyg_3246_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c b/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
index 28bf395d44..89a42ce0a2 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
@@ -22,6 +22,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRang
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_elabSetOption___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown_declRange___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals_declRange___closed__3;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_elabOpenScoped___at_Lean_Elab_Tactic_evalOpen___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDone___closed__15;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDone_declRange___closed__5;
@@ -56,10 +57,13 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntros_declRange___close
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRotateRight(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Tactic_expandTacticMacroFns_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_RBNode_insert___at_Lean_NameSet_insert___spec__1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTacticSeq1Indented(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeq1Indented_declRange(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_forEachVar___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalIntros___closed__1;
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalOpen_declRange___closed__3;
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntro_declRange___closed__1;
@@ -87,6 +91,7 @@ static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__13;
 lean_object* l_List_mapTRAux___at_Lean_resolveGlobalConstCore___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_evalManyTacticOptSemi___spec__1___at_Lean_Elab_Tactic_evalManyTacticOptSemi___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateRight_declRange___closed__4;
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__3;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__38;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__21;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFocus___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -139,6 +144,7 @@ lean_object* l_Lean_Meta_getMVarTag(lean_object*, lean_object*, lean_object*, le
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSubst___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalOpen_declRange___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalContradiction___closed__2;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_elabSetOption___closed__3;
@@ -156,6 +162,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessibles_declRange___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAssumption_declRange___closed__6;
 lean_object* l_Lean_Meta_subst(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_elabSetOption_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalIntro(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__35;
@@ -196,6 +203,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabSetOption___boxed(lean_object*,
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDone_declRange___closed__3;
 static lean_object* l_Lean_Elab_Tactic_evalRenameInaccessibles___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalCase___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__16;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_elabOpenScoped___at_Lean_Elab_Tactic_evalOpen___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_elabSetOption___closed__1;
@@ -204,6 +212,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeq_declRange
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__7;
 lean_object* lean_string_utf8_byte_size(lean_object*);
 static lean_object* l_Lean_Elab_pushInfoLeaf___at_Lean_Elab_Tactic_elabSetOption___spec__3___closed__2;
+lean_object* l_Lean_MessageData_joinSep(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTraceState___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalContradiction___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals_declRange(lean_object*);
@@ -226,6 +235,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals_declRange___clo
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRange___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalClear___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2;
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Tactic_evalAllGoals___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAssumption___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSkip_declRange___closed__3;
@@ -234,6 +244,7 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_elabSetOption_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalIntros___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_elabSetOption(lean_object*);
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSkip___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange___closed__5;
@@ -266,8 +277,11 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSkip_declRange___closed_
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalChoice___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_BuiltinTactic_0__Lean_Elab_Tactic_findTag_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAssumption(lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateLeft_declRange___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalChoice___closed__5;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1;
+LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalSubst___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntro___closed__2;
@@ -328,6 +342,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalChoice(lean_object*
 lean_object* l_Lean_Elab_Tactic_focus___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFirst_loop(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_local_ctx_get(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAnyGoals_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAnyGoals___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTacticSeqBracketed___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -427,6 +442,7 @@ lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalName___at_Lean_Elab_Tactic_evalOpen___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessibles_declRange___closed__3;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__26;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3;
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntros___closed__2;
@@ -487,6 +503,7 @@ lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, ui
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__44;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFirst___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___closed__1;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAllGoals___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeqBracketed_declRange___closed__4;
@@ -582,6 +599,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAnyGoals___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateRight___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAnyGoals(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getNumArgs(lean_object*);
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals_declRange___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_evalManyTacticOptSemi___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -591,6 +609,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTraceState___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateRight_declRange(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFocus(lean_object*);
 static lean_object* l_Lean_Elab_OpenDecl_elabOpenDecl___at_Lean_Elab_Tactic_evalOpen___spec__3___closed__5;
+static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTraceState___closed__1;
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalName___at_Lean_Elab_Tactic_evalOpen___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAnyGoals___closed__1;
@@ -621,6 +640,7 @@ lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRotateLeft(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalParen_declRange(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Tactic_renameInaccessibles___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalClear___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalParen_declRange___closed__6;
@@ -632,6 +652,7 @@ static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAssumption(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSeq1_declRange___closed__4;
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__4;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__8;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateLeft_declRange(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalCase___closed__2;
@@ -655,6 +676,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeqBracketed_declR
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAnyGoals___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFail(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess(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_isExprMVarAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -668,6 +690,7 @@ static lean_object* l_Lean_Elab_elabSetOption___at_Lean_Elab_Tactic_elabSetOptio
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__33;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals___closed__2;
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_renameInaccessibles(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_Elab_logException___at_Lean_Elab_Tactic_closeUsingOrAdmit___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSkip_declRange___closed__4;
@@ -737,6 +760,7 @@ extern lean_object* l_Lean_Elab_unsupportedSyntaxExceptionId;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeqBracketed___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___closed__5;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__28;
+static lean_object* l_Lean_Elab_Tactic_evalFail___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_elabSetOption___at_Lean_Elab_Tactic_elabSetOption___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTraceState_declRange___closed__6;
@@ -754,6 +778,7 @@ lean_object* l_Lean_Syntax_toNat(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTacticSeqBracketed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalDecide___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalContradiction_declRange___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFocus_declRange___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalContradiction___closed__1;
@@ -782,6 +807,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDone_declRange___closed_
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRevert___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalOpen_declRange___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_addOpenDecl___at_Lean_Elab_Tactic_evalOpen___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_mapTRAux___at_Lean_Elab_goalsToMessageData___spec__1(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSkip_declRange___closed__5;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalChoice_declRange(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalIntros___spec__1(size_t, size_t, lean_object*);
@@ -816,6 +842,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalClea
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSeq1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_pushInfoTree___at_Lean_Elab_Tactic_elabSetOption___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_pushInfoLeaf___at_Lean_Elab_Tactic_elabSetOption___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRange___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFocus_declRange(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch___closed__3;
@@ -18914,6 +18941,405 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
+static lean_object* _init_l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("ill-formed syntax");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__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) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; 
+x_10 = l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2;
+x_11 = l_Lean_throwError___at___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_evalTacticUsing_loop___spec__2(x_10, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_11;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("\n\n");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Tactic_evalFail___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("fail");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___regBuiltin_Lean_Elab_Tactic_evalDone___closed__6;
+x_2 = l_Lean_Elab_Tactic_evalFail___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("\n");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Tactic_evalFail___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("tactic 'fail' failed\n");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFail___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Tactic_evalFail___closed__7;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFail(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) {
+_start:
+{
+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; lean_object* x_18; uint8_t x_19; 
+x_11 = l_Lean_Elab_Tactic_getGoals___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = lean_box(0);
+x_15 = l_List_mapTRAux___at_Lean_Elab_goalsToMessageData___spec__1(x_12, x_14);
+x_16 = l_Lean_Elab_Tactic_evalFail___closed__2;
+x_17 = l_Lean_MessageData_joinSep(x_15, x_16);
+lean_dec(x_15);
+x_18 = l_Lean_Elab_Tactic_evalFail___closed__4;
+lean_inc(x_1);
+x_19 = l_Lean_Syntax_isOfKind(x_1, x_18);
+if (x_19 == 0)
+{
+lean_object* x_20; 
+lean_dec(x_17);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_20 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Tactic_evalExact___spec__1___rarg(x_13);
+return x_20;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = l_Lean_Syntax_getArg(x_1, x_21);
+lean_dec(x_1);
+x_23 = l_Lean_nullKind;
+x_24 = lean_unsigned_to_nat(0u);
+lean_inc(x_22);
+x_25 = l_Lean_Syntax_isNodeOf(x_22, x_23, x_24);
+if (x_25 == 0)
+{
+uint8_t x_26; 
+lean_inc(x_22);
+x_26 = l_Lean_Syntax_isNodeOf(x_22, x_23, x_21);
+if (x_26 == 0)
+{
+lean_object* x_27; 
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_27 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Tactic_evalExact___spec__1___rarg(x_13);
+return x_27;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; 
+x_28 = l_Lean_Syntax_getArg(x_22, x_24);
+lean_dec(x_22);
+x_29 = l_Lean_Syntax_isStrLit_x3f(x_28);
+lean_dec(x_28);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; 
+lean_dec(x_17);
+x_30 = l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_30;
+}
+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; 
+x_31 = lean_ctor_get(x_29, 0);
+lean_inc(x_31);
+lean_dec(x_29);
+x_32 = l_Lean_stringToMessageData(x_31);
+lean_dec(x_31);
+x_33 = l_Lean_Elab_elabSetOption___at_Lean_Elab_Tactic_elabSetOption___spec__1___closed__3;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_32);
+x_35 = l_Lean_Elab_Tactic_evalFail___closed__6;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_17);
+x_38 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_33);
+x_39 = l_Lean_throwError___at___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_evalTacticUsing_loop___spec__2(x_38, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_39;
+}
+}
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+lean_dec(x_22);
+x_40 = l_Lean_Elab_Tactic_evalFail___closed__8;
+x_41 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_17);
+x_42 = l_Lean_Elab_elabSetOption___at_Lean_Elab_Tactic_elabSetOption___spec__1___closed__3;
+x_43 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+x_44 = l_Lean_throwError___at___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_evalTacticUsing_loop___spec__2(x_43, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_44;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_10;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("evalFail");
+return x_1;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___regBuiltin_Lean_Elab_Tactic_evalDone___closed__11;
+x_2 = l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalFail), 10, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail(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; 
+x_2 = l___regBuiltin_Lean_Elab_Tactic_evalDone___closed__14;
+x_3 = l_Lean_Elab_Tactic_evalFail___closed__4;
+x_4 = l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2;
+x_5 = l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3;
+x_6 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_5, x_1);
+return x_6;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(276u);
+x_2 = lean_unsigned_to_nat(24u);
+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;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(285u);
+x_2 = lean_unsigned_to_nat(31u);
+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;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_1 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1;
+x_2 = lean_unsigned_to_nat(24u);
+x_3 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2;
+x_4 = lean_unsigned_to_nat(31u);
+x_5 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_2);
+lean_ctor_set(x_5, 2, x_3);
+lean_ctor_set(x_5, 3, x_4);
+return x_5;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(276u);
+x_2 = lean_unsigned_to_nat(28u);
+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;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_unsigned_to_nat(276u);
+x_2 = lean_unsigned_to_nat(36u);
+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;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_1 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4;
+x_2 = lean_unsigned_to_nat(28u);
+x_3 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5;
+x_4 = lean_unsigned_to_nat(36u);
+x_5 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_2);
+lean_ctor_set(x_5, 2, x_3);
+lean_ctor_set(x_5, 3, x_4);
+return x_5;
+}
+}
+static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3;
+x_2 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___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_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_2 = l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2;
+x_3 = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7;
+x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
+return x_4;
+}
+}
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Elab_Tactic_Basic(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Elab_Tactic_ElabTerm(uint8_t builtin, lean_object*);
@@ -20007,6 +20433,52 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange___close
 res = l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1 = _init_l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1();
+lean_mark_persistent(l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__1);
+l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2 = _init_l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2();
+lean_mark_persistent(l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Tactic_evalFail___spec__1___closed__2);
+l_Lean_Elab_Tactic_evalFail___closed__1 = _init_l_Lean_Elab_Tactic_evalFail___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__1);
+l_Lean_Elab_Tactic_evalFail___closed__2 = _init_l_Lean_Elab_Tactic_evalFail___closed__2();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__2);
+l_Lean_Elab_Tactic_evalFail___closed__3 = _init_l_Lean_Elab_Tactic_evalFail___closed__3();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__3);
+l_Lean_Elab_Tactic_evalFail___closed__4 = _init_l_Lean_Elab_Tactic_evalFail___closed__4();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__4);
+l_Lean_Elab_Tactic_evalFail___closed__5 = _init_l_Lean_Elab_Tactic_evalFail___closed__5();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__5);
+l_Lean_Elab_Tactic_evalFail___closed__6 = _init_l_Lean_Elab_Tactic_evalFail___closed__6();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__6);
+l_Lean_Elab_Tactic_evalFail___closed__7 = _init_l_Lean_Elab_Tactic_evalFail___closed__7();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__7);
+l_Lean_Elab_Tactic_evalFail___closed__8 = _init_l_Lean_Elab_Tactic_evalFail___closed__8();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFail___closed__8);
+l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__1);
+l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__2);
+l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail___closed__3);
+res = l___regBuiltin_Lean_Elab_Tactic_evalFail(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__1);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__2);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__3);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__4);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__5);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__6 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__6();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__6);
+l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7();
+lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___closed__7);
+res = l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Simp.c b/stage0/stdlib/Lean/Elab/Tactic/Simp.c
index 1f13437521..244f286e62 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Simp.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Simp.c
@@ -816,7 +816,7 @@ lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_4);
-lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_3);
 return x_5;
 }
 }
@@ -1185,7 +1185,7 @@ lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_3);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_3);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_3);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_3);
-lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_3);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/AppBuilder.c b/stage0/stdlib/Lean/Meta/AppBuilder.c
index ab211fd24b..aa867f46d7 100644
--- a/stage0/stdlib/Lean/Meta/AppBuilder.c
+++ b/stage0/stdlib/Lean/Meta/AppBuilder.c
@@ -40,6 +40,7 @@ lean_object* l_Lean_mkSort(lean_object*);
 static lean_object* l_Lean_Meta_mkCongr___closed__1;
 static lean_object* l_Lean_Meta_mkListLit___closed__6;
 lean_object* l_Lean_mkApp6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_mkLT(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_mkEqMP___closed__3;
 static lean_object* l_Lean_Meta_mkOfNonempty___closed__4;
 static lean_object* l_Lean_Meta_mkHEqSymm___closed__1;
@@ -269,6 +270,7 @@ static lean_object* l_Lean_Meta_mkCongrFun___closed__4;
 static lean_object* l_Lean_Meta_mkEqOfHEq___closed__2;
 static lean_object* l_Lean_Meta_mkFunExt___closed__2;
 static lean_object* l_Lean_Meta_mkSorry___closed__7;
+LEAN_EXPORT lean_object* l_Lean_Meta_mkLE(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_AppBuilder_0__Lean_Meta_hasTypeMsg___closed__3;
 static lean_object* l_Lean_Meta_mkEqRefl___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_mkProjection(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -276,6 +278,7 @@ static lean_object* l_Lean_Meta_mkCongrArg___closed__5;
 static lean_object* l_Lean_Meta_mkEqNDRec___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_mkProjection___lambda__1(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_EXPORT lean_object* l_Lean_Meta_mkAppM___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkBinaryRel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkAppOptM_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -328,7 +331,7 @@ static lean_object* l_Lean_Meta_mkEqOfHEq___closed__3;
 static lean_object* l_Lean_Meta_mkProjection___lambda__1___closed__9;
 static lean_object* l_Lean_Meta_mkEqMPR___closed__1;
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5531_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5629_(lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewMCtxDepth___at___private_Lean_Meta_Instances_0__Lean_Meta_mkInstanceKey___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -13993,7 +13996,190 @@ x_10 = l___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkBinaryOp(x_8, x_9, x_1, x
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5531_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkBinaryRel(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) {
+_start:
+{
+lean_object* x_10; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_3);
+x_10 = lean_infer_type(x_3, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_10) == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+lean_dec(x_10);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_11);
+x_13 = l_Lean_Meta_getDecLevel(x_11, x_5, x_6, x_7, x_8, x_12);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = lean_box(0);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_14);
+lean_ctor_set(x_17, 1, x_16);
+lean_inc(x_17);
+x_18 = l_Lean_mkConst(x_1, x_17);
+lean_inc(x_11);
+x_19 = l_Lean_mkApp(x_18, x_11);
+x_20 = lean_box(0);
+x_21 = l_Lean_Meta_synthInstance(x_19, x_20, x_5, x_6, x_7, x_8, x_15);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_21, 0);
+x_24 = l_Lean_mkConst(x_2, x_17);
+x_25 = l_Lean_mkApp4(x_24, x_11, x_23, x_3, x_4);
+lean_ctor_set(x_21, 0, x_25);
+return x_21;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_26 = lean_ctor_get(x_21, 0);
+x_27 = lean_ctor_get(x_21, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_21);
+x_28 = l_Lean_mkConst(x_2, x_17);
+x_29 = l_Lean_mkApp4(x_28, x_11, x_26, x_3, x_4);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_27);
+return x_30;
+}
+}
+else
+{
+uint8_t x_31; 
+lean_dec(x_17);
+lean_dec(x_11);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_31 = !lean_is_exclusive(x_21);
+if (x_31 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_21, 0);
+x_33 = lean_ctor_get(x_21, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_21);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+uint8_t x_35; 
+lean_dec(x_11);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_35 = !lean_is_exclusive(x_13);
+if (x_35 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_13, 0);
+x_37 = lean_ctor_get(x_13, 1);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_13);
+x_38 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
+}
+}
+}
+else
+{
+uint8_t x_39; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_39 = !lean_is_exclusive(x_10);
+if (x_39 == 0)
+{
+return x_10;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_10, 0);
+x_41 = lean_ctor_get(x_10, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_10);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_mkLE(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = l_Lean_Meta_mkLe___closed__2;
+x_9 = l_Lean_Meta_mkLe___closed__4;
+x_10 = l___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkBinaryRel(x_8, x_9, x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_mkLT(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = l_Lean_Meta_mkLt___closed__2;
+x_9 = l_Lean_Meta_mkLt___closed__4;
+x_10 = l___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkBinaryRel(x_8, x_9, x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5629_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -14465,7 +14651,7 @@ l_Lean_Meta_mkMul___closed__3 = _init_l_Lean_Meta_mkMul___closed__3();
 lean_mark_persistent(l_Lean_Meta_mkMul___closed__3);
 l_Lean_Meta_mkMul___closed__4 = _init_l_Lean_Meta_mkMul___closed__4();
 lean_mark_persistent(l_Lean_Meta_mkMul___closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5531_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_AppBuilder___hyg_5629_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Match/Match.c b/stage0/stdlib/Lean/Meta/Match/Match.c
index da818cece0..a84d0f9d5f 100644
--- a/stage0/stdlib/Lean/Meta/Match/Match.c
+++ b/stage0/stdlib/Lean/Meta/Match/Match.c
@@ -48,6 +48,7 @@ static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasAsPattern___spec__1___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns___closed__2;
+lean_object* l_Lean_addDecl___at_Lean_Meta_mkAuxLemma___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___spec__1___closed__3;
@@ -279,7 +280,6 @@ static lean_object* l_List_forIn_loop___at___private_Lean_Meta_Match_Match_0__Le
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__7___closed__2;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__15;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts(lean_object*);
 static lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___closed__1;
 lean_object* lean_array_fget(lean_object*, lean_object*);
@@ -654,6 +654,7 @@ lean_object* l_Lean_Meta_withExistingLocalDecls___at_Lean_Meta_Match_Alt_toMessa
 LEAN_EXPORT lean_object* l_List_filterAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__6(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceStep___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_unify_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_checkVarDeps___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_occurs___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceStep___closed__1;
@@ -684,7 +685,6 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__10___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_State_used___default;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
-lean_object* l_Lean_mkConstWithLevelParams___at_Lean_Meta_addInstance___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_occurs___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__8;
@@ -764,7 +764,6 @@ LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at_Lean_Meta_MatcherApp_addArg___
 lean_object* l_Lean_Meta_caseArraySizes(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___closed__2;
-lean_object* l_Lean_addDecl___at_Lean_Meta_mkAuxDefinition___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_Alt_applyFVarSubst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_List_moveToFront_loop___spec__1(lean_object*);
@@ -785,6 +784,7 @@ static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwInductiveTypeExpected___rarg___closed__2;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_moveToFront___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_expandIfVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkConstWithLevelParams___at_Lean_Meta_mkSimpCongrTheorem___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_9219____closed__8;
 lean_object* l_Lean_Meta_instInhabitedMetaM___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_assign___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -19245,7 +19245,7 @@ lean_object* x_11; lean_object* x_12;
 lean_dec(x_3);
 lean_dec(x_2);
 x_11 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_checkVarDeps___closed__2;
-x_12 = l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(x_11, x_4, x_5, x_6, x_7, x_8);
+x_12 = l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(x_11, x_4, x_5, x_6, x_7, x_8);
 return x_12;
 }
 else
@@ -23256,7 +23256,7 @@ _start:
 lean_object* x_11; 
 lean_inc(x_8);
 lean_inc(x_1);
-x_11 = l_Lean_addDecl___at_Lean_Meta_mkAuxDefinition___spec__1(x_1, x_6, x_7, x_8, x_9, x_10);
+x_11 = l_Lean_addDecl___at_Lean_Meta_mkAuxLemma___spec__4(x_1, x_6, x_7, x_8, x_9, x_10);
 if (lean_obj_tag(x_11) == 0)
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
@@ -27562,7 +27562,7 @@ lean_object* x_10; lean_object* x_11;
 lean_dec(x_4);
 x_10 = l_Lean_ConstantInfo_name(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_mkConstWithLevelParams___at_Lean_Meta_addInstance___spec__1(x_10, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_mkConstWithLevelParams___at_Lean_Meta_mkSimpCongrTheorem___spec__1(x_10, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_11) == 0)
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c b/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c
new file mode 100644
index 0000000000..ed2f3a9d71
--- /dev/null
+++ b/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c
@@ -0,0 +1,1711 @@
+// Lean compiler output
+// Module: Lean.Meta.Tactic.Acyclic
+// Imports: Init Lean.Meta.MatchUtil Lean.Meta.Tactic.Simp.Main
+#include <lean/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_Meta_simpTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__1;
+static lean_object* l_Lean_Meta_acyclic___lambda__2___closed__1;
+lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
+lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
+lean_object* l_Lean_stringToMessageData(lean_object*);
+static lean_object* l_Lean_Meta_acyclic___lambda__2___closed__2;
+lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__21;
+static lean_object* l_Lean_Meta_acyclic_go___closed__19;
+lean_object* l_Lean_Meta_mkLT(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_name_mk_string(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__7;
+lean_object* l_Lean_Meta_SimpExtension_getTheorems(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkAppM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__29;
+lean_object* lean_st_ref_get(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_appFn_x21(lean_object*);
+lean_object* lean_array_push(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__5;
+static lean_object* l_Lean_Meta_acyclic_go___closed__24;
+lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__22;
+static lean_object* l_Lean_Meta_acyclic_go___closed__33;
+static lean_object* l_Lean_Meta_acyclic_go___closed__18;
+static lean_object* l_Lean_Meta_acyclic_go___closed__13;
+static lean_object* l_Lean_Meta_acyclic_go___closed__23;
+static lean_object* l_Lean_Meta_acyclic_go___closed__14;
+static lean_object* l_Lean_Meta_acyclic_go___closed__28;
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_772_(lean_object*);
+lean_object* l_Lean_Meta_getMVarType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__15;
+static lean_object* l_Lean_Meta_acyclic_go___closed__30;
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkEqSymm(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Meta_simpExtension;
+static lean_object* l_Lean_Meta_acyclic___lambda__1___closed__2;
+lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__12;
+lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__16;
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__20;
+static lean_object* l_Lean_Meta_acyclic_go___closed__10;
+static lean_object* l_Lean_Meta_acyclic_go___closed__32;
+uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__3;
+lean_object* l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic___lambda__1___closed__1;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__4;
+static lean_object* l_Lean_Meta_acyclic_go___closed__27;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__26;
+static lean_object* l_Lean_Meta_acyclic_go___closed__11;
+static lean_object* l_Lean_Meta_acyclic_go___closed__9;
+uint8_t l_Lean_Expr_isConstructorApp(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__31;
+lean_object* l_Lean_Meta_mkCongrArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_isFVar(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkFalseElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__6;
+static lean_object* l_Lean_Meta_acyclic_go___closed__8;
+lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_occurs(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_acyclic_go___closed__25;
+static lean_object* l_Lean_Meta_acyclic_go___closed__17;
+extern lean_object* l_Lean_Meta_Simp_defaultMaxSteps;
+static lean_object* l_Lean_Meta_acyclic_go___closed__2;
+lean_object* l_Lean_Exception_toMessageData(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(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:
+{
+uint8_t x_8; 
+x_8 = l_Lean_Expr_isFVar(x_1);
+if (x_8 == 0)
+{
+uint8_t x_9; lean_object* x_10; lean_object* x_11; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_9 = 0;
+x_10 = lean_box(x_9);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_7);
+return x_11;
+}
+else
+{
+uint8_t x_12; 
+lean_inc(x_2);
+x_12 = l_Lean_Expr_occurs(x_1, x_2);
+if (x_12 == 0)
+{
+uint8_t x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_2);
+x_13 = 0;
+x_14 = lean_box(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_7);
+return x_15;
+}
+else
+{
+lean_object* x_16; uint8_t x_17; 
+x_16 = lean_st_ref_get(x_6, x_7);
+x_17 = !lean_is_exclusive(x_16);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_16, 0);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = l_Lean_Expr_isConstructorApp(x_19, x_2);
+lean_dec(x_2);
+x_21 = lean_box(x_20);
+lean_ctor_set(x_16, 0, x_21);
+return x_16;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; 
+x_22 = lean_ctor_get(x_16, 0);
+x_23 = lean_ctor_get(x_16, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_16);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l_Lean_Expr_isConstructorApp(x_24, x_2);
+lean_dec(x_2);
+x_26 = lean_box(x_25);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_23);
+return x_27;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___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:
+{
+uint8_t x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = 0;
+x_8 = lean_box(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_6);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___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:
+{
+uint8_t x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = 1;
+x_8 = lean_box(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_6);
+return x_9;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Meta");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_acyclic_go___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Tactic");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__2;
+x_2 = l_Lean_Meta_acyclic_go___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("acyclic");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__4;
+x_2 = l_Lean_Meta_acyclic_go___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic_go___lambda__1___boxed), 6, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__8() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("failed with\n");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_acyclic_go___closed__8;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__10() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_acyclic_go___closed__10;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__12() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("SizeOf");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__13() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_acyclic_go___closed__12;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__14() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("sizeOf");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__15() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__13;
+x_2 = l_Lean_Meta_acyclic_go___closed__14;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__16() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(1u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__17() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Meta_simpExtension;
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__18() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; uint8_t x_3; uint8_t x_4; lean_object* x_5; 
+x_1 = l_Lean_Meta_Simp_defaultMaxSteps;
+x_2 = lean_unsigned_to_nat(2u);
+x_3 = 0;
+x_4 = 1;
+x_5 = lean_alloc_ctor(0, 2, 11);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_2);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2, x_3);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 1, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 2, x_3);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 3, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 4, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 5, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
+return x_5;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__19() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = l_Std_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__20() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__21() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_acyclic_go___closed__20;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__22() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__21;
+x_2 = lean_unsigned_to_nat(0u);
+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;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__23() {
+_start:
+{
+uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = 1;
+x_2 = l_Lean_Meta_acyclic_go___closed__19;
+x_3 = l_Lean_Meta_acyclic_go___closed__22;
+x_4 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_4, 0, x_2);
+lean_ctor_set(x_4, 1, x_3);
+lean_ctor_set_uint8(x_4, sizeof(void*)*2, x_1);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__24() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Nat");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__25() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_acyclic_go___closed__24;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__26() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("lt_of_lt_of_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__27() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__25;
+x_2 = l_Lean_Meta_acyclic_go___closed__26;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__28() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(2u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__29() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("lt_irrefl");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__30() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_acyclic_go___closed__25;
+x_2 = l_Lean_Meta_acyclic_go___closed__29;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__31() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic_go___lambda__2___boxed), 6, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__32() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("succeeded");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic_go___closed__33() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_acyclic_go___closed__32;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go(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) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_56 = l_Lean_Meta_acyclic_go___closed__16;
+x_57 = lean_array_push(x_56, x_3);
+x_58 = l_Lean_Meta_acyclic_go___closed__15;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_59 = l_Lean_Meta_mkAppM(x_58, x_57, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_59) == 0)
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_59, 1);
+lean_inc(x_61);
+lean_dec(x_59);
+x_62 = lean_array_push(x_56, x_4);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_63 = l_Lean_Meta_mkAppM(x_58, x_62, x_5, x_6, x_7, x_8, x_61);
+if (lean_obj_tag(x_63) == 0)
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_64 = lean_ctor_get(x_63, 0);
+lean_inc(x_64);
+x_65 = lean_ctor_get(x_63, 1);
+lean_inc(x_65);
+lean_dec(x_63);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_60);
+x_66 = l_Lean_Meta_mkLT(x_60, x_64, x_5, x_6, x_7, x_8, x_65);
+if (lean_obj_tag(x_66) == 0)
+{
+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; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
+x_67 = lean_ctor_get(x_66, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_66, 1);
+lean_inc(x_68);
+lean_dec(x_66);
+x_69 = lean_box(0);
+lean_inc(x_5);
+x_70 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_67, x_69, x_5, x_6, x_7, x_8, x_68);
+x_71 = lean_ctor_get(x_70, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_70, 1);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = l_Lean_Meta_acyclic_go___closed__17;
+x_74 = l_Lean_Meta_SimpExtension_getTheorems(x_73, x_7, x_8, x_72);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = l_Lean_Expr_mvarId_x21(x_71);
+x_78 = lean_box(0);
+x_79 = l_Lean_Meta_acyclic_go___closed__18;
+x_80 = l_Lean_Meta_acyclic_go___closed__23;
+x_81 = lean_unsigned_to_nat(0u);
+x_82 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_82, 0, x_79);
+lean_ctor_set(x_82, 1, x_75);
+lean_ctor_set(x_82, 2, x_80);
+lean_ctor_set(x_82, 3, x_78);
+lean_ctor_set(x_82, 4, x_81);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_83 = l_Lean_Meta_simpTarget(x_77, x_82, x_78, x_5, x_6, x_7, x_8, x_76);
+if (lean_obj_tag(x_83) == 0)
+{
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_83, 0);
+lean_inc(x_84);
+if (lean_obj_tag(x_84) == 0)
+{
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_83, 1);
+lean_inc(x_85);
+lean_dec(x_83);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_86 = l_Lean_Meta_mkEqSymm(x_2, x_5, x_6, x_7, x_8, x_85);
+if (lean_obj_tag(x_86) == 0)
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+lean_dec(x_86);
+x_89 = l_Lean_Expr_appFn_x21(x_60);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_90 = l_Lean_Meta_mkCongrArg(x_89, x_87, x_5, x_6, x_7, x_8, x_88);
+if (lean_obj_tag(x_90) == 0)
+{
+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; 
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = l_Lean_Meta_acyclic_go___closed__28;
+x_94 = lean_array_push(x_93, x_71);
+x_95 = lean_array_push(x_94, x_91);
+x_96 = l_Lean_Meta_acyclic_go___closed__27;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_97 = l_Lean_Meta_mkAppM(x_96, x_95, x_5, x_6, x_7, x_8, x_92);
+if (lean_obj_tag(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_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = lean_array_push(x_56, x_60);
+x_101 = l_Lean_Meta_acyclic_go___closed__30;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_102 = l_Lean_Meta_mkAppM(x_101, x_100, x_5, x_6, x_7, x_8, x_99);
+if (lean_obj_tag(x_102) == 0)
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_102, 1);
+lean_inc(x_104);
+lean_dec(x_102);
+lean_inc(x_1);
+x_105 = l_Lean_Meta_getMVarType(x_1, x_5, x_6, x_7, x_8, x_104);
+if (lean_obj_tag(x_105) == 0)
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_106 = lean_ctor_get(x_105, 0);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
+lean_dec(x_105);
+x_108 = l_Lean_mkApp(x_103, x_98);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_109 = l_Lean_Meta_mkFalseElim(x_106, x_108, x_5, x_6, x_7, x_8, x_107);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; lean_object* x_116; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = l_Lean_Meta_assignExprMVar(x_1, x_110, x_5, x_6, x_7, x_8, x_111);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = l_Lean_Meta_acyclic_go___closed__6;
+x_138 = lean_st_ref_get(x_8, x_113);
+x_139 = lean_ctor_get(x_138, 0);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_139, 3);
+lean_inc(x_140);
+lean_dec(x_139);
+x_141 = lean_ctor_get_uint8(x_140, sizeof(void*)*1);
+lean_dec(x_140);
+if (x_141 == 0)
+{
+lean_object* x_142; uint8_t x_143; 
+x_142 = lean_ctor_get(x_138, 1);
+lean_inc(x_142);
+lean_dec(x_138);
+x_143 = 0;
+x_115 = x_143;
+x_116 = x_142;
+goto block_137;
+}
+else
+{
+lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; uint8_t x_148; 
+x_144 = lean_ctor_get(x_138, 1);
+lean_inc(x_144);
+lean_dec(x_138);
+x_145 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_114, x_5, x_6, x_7, x_8, x_144);
+x_146 = lean_ctor_get(x_145, 0);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_145, 1);
+lean_inc(x_147);
+lean_dec(x_145);
+x_148 = lean_unbox(x_146);
+lean_dec(x_146);
+x_115 = x_148;
+x_116 = x_147;
+goto block_137;
+}
+block_137:
+{
+lean_object* x_117; 
+x_117 = l_Lean_Meta_acyclic_go___closed__31;
+if (x_115 == 0)
+{
+lean_object* x_118; lean_object* x_119; 
+x_118 = lean_box(0);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_119 = lean_apply_6(x_117, x_118, x_5, x_6, x_7, x_8, x_116);
+if (lean_obj_tag(x_119) == 0)
+{
+uint8_t x_120; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
+{
+return x_119;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_121 = lean_ctor_get(x_119, 0);
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_121);
+lean_ctor_set(x_123, 1, x_122);
+return x_123;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; 
+x_124 = lean_ctor_get(x_119, 0);
+lean_inc(x_124);
+x_125 = lean_ctor_get(x_119, 1);
+lean_inc(x_125);
+lean_dec(x_119);
+x_10 = x_124;
+x_11 = x_125;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_126 = l_Lean_Meta_acyclic_go___closed__33;
+x_127 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_114, x_126, x_5, x_6, x_7, x_8, x_116);
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_130 = lean_apply_6(x_117, x_128, x_5, x_6, x_7, x_8, x_129);
+if (lean_obj_tag(x_130) == 0)
+{
+uint8_t x_131; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_131 = !lean_is_exclusive(x_130);
+if (x_131 == 0)
+{
+return x_130;
+}
+else
+{
+lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+x_132 = lean_ctor_get(x_130, 0);
+x_133 = lean_ctor_get(x_130, 1);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_dec(x_130);
+x_134 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+return x_134;
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; 
+x_135 = lean_ctor_get(x_130, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_130, 1);
+lean_inc(x_136);
+lean_dec(x_130);
+x_10 = x_135;
+x_11 = x_136;
+goto block_55;
+}
+}
+}
+}
+else
+{
+lean_object* x_149; lean_object* x_150; 
+lean_dec(x_1);
+x_149 = lean_ctor_get(x_109, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_109, 1);
+lean_inc(x_150);
+lean_dec(x_109);
+x_10 = x_149;
+x_11 = x_150;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_151; lean_object* x_152; 
+lean_dec(x_103);
+lean_dec(x_98);
+lean_dec(x_1);
+x_151 = lean_ctor_get(x_105, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_105, 1);
+lean_inc(x_152);
+lean_dec(x_105);
+x_10 = x_151;
+x_11 = x_152;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_153; lean_object* x_154; 
+lean_dec(x_98);
+lean_dec(x_1);
+x_153 = lean_ctor_get(x_102, 0);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_102, 1);
+lean_inc(x_154);
+lean_dec(x_102);
+x_10 = x_153;
+x_11 = x_154;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_155; lean_object* x_156; 
+lean_dec(x_60);
+lean_dec(x_1);
+x_155 = lean_ctor_get(x_97, 0);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_97, 1);
+lean_inc(x_156);
+lean_dec(x_97);
+x_10 = x_155;
+x_11 = x_156;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_157; lean_object* x_158; 
+lean_dec(x_71);
+lean_dec(x_60);
+lean_dec(x_1);
+x_157 = lean_ctor_get(x_90, 0);
+lean_inc(x_157);
+x_158 = lean_ctor_get(x_90, 1);
+lean_inc(x_158);
+lean_dec(x_90);
+x_10 = x_157;
+x_11 = x_158;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+lean_dec(x_71);
+lean_dec(x_60);
+lean_dec(x_1);
+x_159 = lean_ctor_get(x_86, 0);
+lean_inc(x_159);
+x_160 = lean_ctor_get(x_86, 1);
+lean_inc(x_160);
+lean_dec(x_86);
+x_10 = x_159;
+x_11 = x_160;
+goto block_55;
+}
+}
+else
+{
+uint8_t x_161; 
+lean_dec(x_84);
+lean_dec(x_71);
+lean_dec(x_60);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_161 = !lean_is_exclusive(x_83);
+if (x_161 == 0)
+{
+lean_object* x_162; uint8_t x_163; lean_object* x_164; 
+x_162 = lean_ctor_get(x_83, 0);
+lean_dec(x_162);
+x_163 = 0;
+x_164 = lean_box(x_163);
+lean_ctor_set(x_83, 0, x_164);
+return x_83;
+}
+else
+{
+lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+x_165 = lean_ctor_get(x_83, 1);
+lean_inc(x_165);
+lean_dec(x_83);
+x_166 = 0;
+x_167 = lean_box(x_166);
+x_168 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_165);
+return x_168;
+}
+}
+}
+else
+{
+lean_object* x_169; lean_object* x_170; 
+lean_dec(x_71);
+lean_dec(x_60);
+lean_dec(x_2);
+lean_dec(x_1);
+x_169 = lean_ctor_get(x_83, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_83, 1);
+lean_inc(x_170);
+lean_dec(x_83);
+x_10 = x_169;
+x_11 = x_170;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_171; lean_object* x_172; 
+lean_dec(x_60);
+lean_dec(x_2);
+lean_dec(x_1);
+x_171 = lean_ctor_get(x_66, 0);
+lean_inc(x_171);
+x_172 = lean_ctor_get(x_66, 1);
+lean_inc(x_172);
+lean_dec(x_66);
+x_10 = x_171;
+x_11 = x_172;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_173; lean_object* x_174; 
+lean_dec(x_60);
+lean_dec(x_2);
+lean_dec(x_1);
+x_173 = lean_ctor_get(x_63, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_63, 1);
+lean_inc(x_174);
+lean_dec(x_63);
+x_10 = x_173;
+x_11 = x_174;
+goto block_55;
+}
+}
+else
+{
+lean_object* x_175; lean_object* x_176; 
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_175 = lean_ctor_get(x_59, 0);
+lean_inc(x_175);
+x_176 = lean_ctor_get(x_59, 1);
+lean_inc(x_176);
+lean_dec(x_59);
+x_10 = x_175;
+x_11 = x_176;
+goto block_55;
+}
+block_55:
+{
+lean_object* x_12; uint8_t x_13; lean_object* x_14; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_12 = l_Lean_Meta_acyclic_go___closed__6;
+x_44 = lean_st_ref_get(x_8, x_11);
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_45, 3);
+lean_inc(x_46);
+lean_dec(x_45);
+x_47 = lean_ctor_get_uint8(x_46, sizeof(void*)*1);
+lean_dec(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; uint8_t x_49; 
+x_48 = lean_ctor_get(x_44, 1);
+lean_inc(x_48);
+lean_dec(x_44);
+x_49 = 0;
+x_13 = x_49;
+x_14 = x_48;
+goto block_43;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+x_50 = lean_ctor_get(x_44, 1);
+lean_inc(x_50);
+lean_dec(x_44);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_12, x_5, x_6, x_7, x_8, x_50);
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 1);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_unbox(x_52);
+lean_dec(x_52);
+x_13 = x_54;
+x_14 = x_53;
+goto block_43;
+}
+block_43:
+{
+lean_object* x_15; 
+x_15 = l_Lean_Meta_acyclic_go___closed__7;
+if (x_13 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+lean_dec(x_10);
+x_16 = lean_box(0);
+x_17 = lean_apply_6(x_15, x_16, x_5, x_6, x_7, x_8, x_14);
+if (lean_obj_tag(x_17) == 0)
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_17);
+if (x_18 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_17, 0);
+x_20 = lean_ctor_get(x_17, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_17);
+x_21 = lean_alloc_ctor(0, 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; 
+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
+{
+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; 
+x_26 = l_Lean_Exception_toMessageData(x_10);
+x_27 = l_Lean_Meta_acyclic_go___closed__9;
+x_28 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+x_29 = l_Lean_Meta_acyclic_go___closed__11;
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+x_31 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_12, x_30, x_5, x_6, x_7, x_8, x_14);
+x_32 = lean_ctor_get(x_31, 0);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_31, 1);
+lean_inc(x_33);
+lean_dec(x_31);
+x_34 = lean_apply_6(x_15, x_32, x_5, x_6, x_7, x_8, x_33);
+if (lean_obj_tag(x_34) == 0)
+{
+uint8_t x_35; 
+x_35 = !lean_is_exclusive(x_34);
+if (x_35 == 0)
+{
+return x_34;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_34, 0);
+x_37 = lean_ctor_get(x_34, 1);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_34);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
+}
+}
+else
+{
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_34);
+if (x_39 == 0)
+{
+return x_34;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_34, 0);
+x_41 = lean_ctor_get(x_34, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_34);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___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_Meta_acyclic_go___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2___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_Meta_acyclic_go___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_7;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_acyclic___lambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___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) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_10 = l_Lean_Meta_acyclic___lambda__1___closed__2;
+x_11 = lean_unsigned_to_nat(3u);
+x_12 = l_Lean_Expr_isAppOfArity(x_1, x_10, x_11);
+if (x_12 == 0)
+{
+uint8_t x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+x_13 = 0;
+x_14 = lean_box(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_9);
+return x_15;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
+x_16 = l_Lean_Expr_appFn_x21(x_1);
+x_17 = l_Lean_Expr_appArg_x21(x_16);
+lean_dec(x_16);
+x_18 = l_Lean_Expr_appArg_x21(x_1);
+lean_inc(x_18);
+lean_inc(x_17);
+x_19 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(x_17, x_18, x_5, x_6, x_7, x_8, x_9);
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_unbox(x_20);
+lean_dec(x_20);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+lean_inc(x_17);
+lean_inc(x_18);
+x_23 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(x_18, x_17, x_5, x_6, x_7, x_8, x_22);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_unbox(x_24);
+lean_dec(x_24);
+if (x_25 == 0)
+{
+uint8_t x_26; 
+lean_dec(x_18);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+x_26 = !lean_is_exclusive(x_23);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_23, 0);
+lean_dec(x_27);
+x_28 = 0;
+x_29 = lean_box(x_28);
+lean_ctor_set(x_23, 0, x_29);
+return x_23;
+}
+else
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_ctor_get(x_23, 1);
+lean_inc(x_30);
+lean_dec(x_23);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_23, 1);
+lean_inc(x_34);
+lean_dec(x_23);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_35 = l_Lean_Meta_mkEqSymm(x_2, x_5, x_6, x_7, x_8, x_34);
+if (lean_obj_tag(x_35) == 0)
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = l_Lean_Meta_acyclic_go(x_3, x_36, x_18, x_17, x_5, x_6, x_7, x_8, x_37);
+return x_38;
+}
+else
+{
+uint8_t x_39; 
+lean_dec(x_18);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_39 = !lean_is_exclusive(x_35);
+if (x_39 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_35, 0);
+x_41 = lean_ctor_get(x_35, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_35);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+}
+else
+{
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_19, 1);
+lean_inc(x_43);
+lean_dec(x_19);
+x_44 = l_Lean_Meta_acyclic_go(x_3, x_2, x_17, x_18, x_5, x_6, x_7, x_8, x_43);
+return x_44;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("type: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_acyclic___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_acyclic___lambda__2___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___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) {
+_start:
+{
+lean_object* x_8; 
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_1);
+x_8 = lean_infer_type(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+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);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_11 = l_Lean_Meta_whnfD(x_9, x_3, x_4, x_5, x_6, x_10);
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l_Lean_Meta_acyclic_go___closed__6;
+x_29 = lean_st_ref_get(x_6, x_13);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_30, 3);
+lean_inc(x_31);
+lean_dec(x_30);
+x_32 = lean_ctor_get_uint8(x_31, sizeof(void*)*1);
+lean_dec(x_31);
+if (x_32 == 0)
+{
+lean_object* x_33; uint8_t x_34; 
+x_33 = lean_ctor_get(x_29, 1);
+lean_inc(x_33);
+lean_dec(x_29);
+x_34 = 0;
+x_15 = x_34;
+x_16 = x_33;
+goto block_28;
+}
+else
+{
+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_29, 1);
+lean_inc(x_35);
+lean_dec(x_29);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_14, x_3, x_4, x_5, x_6, x_35);
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_36, 1);
+lean_inc(x_38);
+lean_dec(x_36);
+x_39 = lean_unbox(x_37);
+lean_dec(x_37);
+x_15 = x_39;
+x_16 = x_38;
+goto block_28;
+}
+block_28:
+{
+if (x_15 == 0)
+{
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_box(0);
+x_18 = l_Lean_Meta_acyclic___lambda__1(x_12, x_1, x_2, x_17, x_3, x_4, x_5, x_6, x_16);
+lean_dec(x_12);
+return x_18;
+}
+else
+{
+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; lean_object* x_26; lean_object* x_27; 
+lean_inc(x_12);
+x_19 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_19, 0, x_12);
+x_20 = l_Lean_Meta_acyclic___lambda__2___closed__2;
+x_21 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+x_22 = l_Lean_Meta_acyclic_go___closed__11;
+x_23 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+x_24 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_14, x_23, x_3, x_4, x_5, x_6, x_16);
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = l_Lean_Meta_acyclic___lambda__1(x_12, x_1, x_2, x_25, x_3, x_4, x_5, x_6, x_26);
+lean_dec(x_25);
+lean_dec(x_12);
+return x_27;
+}
+}
+}
+else
+{
+uint8_t x_40; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_11);
+if (x_40 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_11, 0);
+x_42 = lean_ctor_get(x_11, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_11);
+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;
+}
+}
+}
+else
+{
+uint8_t x_44; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_44 = !lean_is_exclusive(x_8);
+if (x_44 == 0)
+{
+return x_8;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_8, 0);
+x_46 = lean_ctor_get(x_8, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_8);
+x_47 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+return x_47;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; 
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic___lambda__2), 7, 2);
+lean_closure_set(x_8, 0, x_2);
+lean_closure_set(x_8, 1, x_1);
+x_9 = l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_acyclic___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_4);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_772_(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Lean_Meta_acyclic_go___closed__6;
+x_3 = l_Lean_registerTraceClass(x_2, x_1);
+return x_3;
+}
+}
+lean_object* initialize_Init(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_MatchUtil(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_Simp_Main(uint8_t builtin, lean_object*);
+static bool _G_initialized = false;
+LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_Acyclic(uint8_t builtin, lean_object* w) {
+lean_object * res;
+if (_G_initialized) return lean_io_result_mk_ok(lean_box(0));
+_G_initialized = true;
+res = initialize_Init(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+res = initialize_Lean_Meta_MatchUtil(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_Simp_Main(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l_Lean_Meta_acyclic_go___closed__1 = _init_l_Lean_Meta_acyclic_go___closed__1();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__1);
+l_Lean_Meta_acyclic_go___closed__2 = _init_l_Lean_Meta_acyclic_go___closed__2();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__2);
+l_Lean_Meta_acyclic_go___closed__3 = _init_l_Lean_Meta_acyclic_go___closed__3();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__3);
+l_Lean_Meta_acyclic_go___closed__4 = _init_l_Lean_Meta_acyclic_go___closed__4();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__4);
+l_Lean_Meta_acyclic_go___closed__5 = _init_l_Lean_Meta_acyclic_go___closed__5();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__5);
+l_Lean_Meta_acyclic_go___closed__6 = _init_l_Lean_Meta_acyclic_go___closed__6();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__6);
+l_Lean_Meta_acyclic_go___closed__7 = _init_l_Lean_Meta_acyclic_go___closed__7();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__7);
+l_Lean_Meta_acyclic_go___closed__8 = _init_l_Lean_Meta_acyclic_go___closed__8();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__8);
+l_Lean_Meta_acyclic_go___closed__9 = _init_l_Lean_Meta_acyclic_go___closed__9();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__9);
+l_Lean_Meta_acyclic_go___closed__10 = _init_l_Lean_Meta_acyclic_go___closed__10();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__10);
+l_Lean_Meta_acyclic_go___closed__11 = _init_l_Lean_Meta_acyclic_go___closed__11();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__11);
+l_Lean_Meta_acyclic_go___closed__12 = _init_l_Lean_Meta_acyclic_go___closed__12();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__12);
+l_Lean_Meta_acyclic_go___closed__13 = _init_l_Lean_Meta_acyclic_go___closed__13();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__13);
+l_Lean_Meta_acyclic_go___closed__14 = _init_l_Lean_Meta_acyclic_go___closed__14();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__14);
+l_Lean_Meta_acyclic_go___closed__15 = _init_l_Lean_Meta_acyclic_go___closed__15();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__15);
+l_Lean_Meta_acyclic_go___closed__16 = _init_l_Lean_Meta_acyclic_go___closed__16();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__16);
+l_Lean_Meta_acyclic_go___closed__17 = _init_l_Lean_Meta_acyclic_go___closed__17();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__17);
+l_Lean_Meta_acyclic_go___closed__18 = _init_l_Lean_Meta_acyclic_go___closed__18();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__18);
+l_Lean_Meta_acyclic_go___closed__19 = _init_l_Lean_Meta_acyclic_go___closed__19();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__19);
+l_Lean_Meta_acyclic_go___closed__20 = _init_l_Lean_Meta_acyclic_go___closed__20();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__20);
+l_Lean_Meta_acyclic_go___closed__21 = _init_l_Lean_Meta_acyclic_go___closed__21();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__21);
+l_Lean_Meta_acyclic_go___closed__22 = _init_l_Lean_Meta_acyclic_go___closed__22();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__22);
+l_Lean_Meta_acyclic_go___closed__23 = _init_l_Lean_Meta_acyclic_go___closed__23();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__23);
+l_Lean_Meta_acyclic_go___closed__24 = _init_l_Lean_Meta_acyclic_go___closed__24();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__24);
+l_Lean_Meta_acyclic_go___closed__25 = _init_l_Lean_Meta_acyclic_go___closed__25();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__25);
+l_Lean_Meta_acyclic_go___closed__26 = _init_l_Lean_Meta_acyclic_go___closed__26();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__26);
+l_Lean_Meta_acyclic_go___closed__27 = _init_l_Lean_Meta_acyclic_go___closed__27();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__27);
+l_Lean_Meta_acyclic_go___closed__28 = _init_l_Lean_Meta_acyclic_go___closed__28();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__28);
+l_Lean_Meta_acyclic_go___closed__29 = _init_l_Lean_Meta_acyclic_go___closed__29();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__29);
+l_Lean_Meta_acyclic_go___closed__30 = _init_l_Lean_Meta_acyclic_go___closed__30();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__30);
+l_Lean_Meta_acyclic_go___closed__31 = _init_l_Lean_Meta_acyclic_go___closed__31();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__31);
+l_Lean_Meta_acyclic_go___closed__32 = _init_l_Lean_Meta_acyclic_go___closed__32();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__32);
+l_Lean_Meta_acyclic_go___closed__33 = _init_l_Lean_Meta_acyclic_go___closed__33();
+lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__33);
+l_Lean_Meta_acyclic___lambda__1___closed__1 = _init_l_Lean_Meta_acyclic___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Meta_acyclic___lambda__1___closed__1);
+l_Lean_Meta_acyclic___lambda__1___closed__2 = _init_l_Lean_Meta_acyclic___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_Meta_acyclic___lambda__1___closed__2);
+l_Lean_Meta_acyclic___lambda__2___closed__1 = _init_l_Lean_Meta_acyclic___lambda__2___closed__1();
+lean_mark_persistent(l_Lean_Meta_acyclic___lambda__2___closed__1);
+l_Lean_Meta_acyclic___lambda__2___closed__2 = _init_l_Lean_Meta_acyclic___lambda__2___closed__2();
+lean_mark_persistent(l_Lean_Meta_acyclic___lambda__2___closed__2);
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_772_(lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+return lean_io_result_mk_ok(lean_box(0));
+}
+#ifdef __cplusplus
+}
+#endif
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Cases.c b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
index 730901e422..6b60b9e087 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Cases.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Meta.Tactic.Cases
-// Imports: Init Lean.Meta.AppBuilder Lean.Meta.Tactic.Induction Lean.Meta.Tactic.Injection Lean.Meta.Tactic.Assert Lean.Meta.Tactic.Subst
+// Imports: Init Lean.Meta.AppBuilder Lean.Meta.Tactic.Induction Lean.Meta.Tactic.Injection Lean.Meta.Tactic.Assert Lean.Meta.Tactic.Subst Lean.Meta.Tactic.Acyclic
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -106,6 +106,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAnd
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__54(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+lean_object* l_Lean_Meta_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__21___boxed(lean_object*, lean_object*, lean_object*);
@@ -252,7 +253,7 @@ LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__30___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_mkCasesContext_x3f___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4314_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4345_(lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__15(lean_object*, lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_Cases_unifyEqs_substEq___closed__1;
@@ -11624,90 +11625,82 @@ x_20 = lean_unbox(x_19);
 lean_dec(x_19);
 if (x_20 == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-lean_dec(x_5);
-lean_dec(x_4);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_21 = lean_ctor_get(x_18, 1);
 lean_inc(x_21);
 lean_dec(x_18);
-x_22 = l_Lean_LocalDecl_type(x_6);
-lean_dec(x_6);
-x_23 = l_Lean_indentExpr(x_22);
-x_24 = l_Lean_Meta_Cases_unifyEqs_substEq___closed__2;
-x_25 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_23);
-x_26 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__4;
-x_27 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_throwError___at_Lean_Meta_Cases_unifyEqs_substEq___spec__3(x_27, x_10, x_11, x_12, x_13, x_21);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-return x_28;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_6);
-x_29 = lean_ctor_get(x_18, 1);
-lean_inc(x_29);
-lean_dec(x_18);
+x_22 = l_Lean_mkFVar(x_4);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_30 = l_Lean_Meta_clear(x_5, x_4, x_10, x_11, x_12, x_13, x_29);
-if (lean_obj_tag(x_30) == 0)
+x_23 = l_Lean_Meta_acyclic(x_5, x_22, x_10, x_11, x_12, x_13, x_21);
+if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_30, 1);
-lean_inc(x_32);
-lean_dec(x_30);
-x_33 = lean_unsigned_to_nat(1u);
-x_34 = lean_nat_sub(x_1, x_33);
-lean_dec(x_1);
-x_35 = l_Lean_Meta_Cases_unifyEqs(x_34, x_31, x_2, x_3, x_10, x_11, x_12, x_13, x_32);
-return x_35;
-}
-else
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_unbox(x_24);
+lean_dec(x_24);
+if (x_25 == 0)
 {
-uint8_t x_36; 
+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; 
+x_26 = lean_ctor_get(x_23, 1);
+lean_inc(x_26);
+lean_dec(x_23);
+x_27 = l_Lean_LocalDecl_type(x_6);
+lean_dec(x_6);
+x_28 = l_Lean_indentExpr(x_27);
+x_29 = l_Lean_Meta_Cases_unifyEqs_substEq___closed__2;
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_28);
+x_31 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__4;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = l_Lean_throwError___at_Lean_Meta_Cases_unifyEqs_substEq___spec__3(x_32, x_10, x_11, x_12, x_13, x_26);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_36 = !lean_is_exclusive(x_30);
-if (x_36 == 0)
+return x_33;
+}
+else
 {
-return x_30;
+uint8_t x_34; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+x_34 = !lean_is_exclusive(x_23);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_23, 0);
+lean_dec(x_35);
+x_36 = lean_box(0);
+lean_ctor_set(x_23, 0, x_36);
+return x_23;
 }
 else
 {
 lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_30, 0);
-x_38 = lean_ctor_get(x_30, 1);
-lean_inc(x_38);
+x_37 = lean_ctor_get(x_23, 1);
 lean_inc(x_37);
-lean_dec(x_30);
-x_39 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
+lean_dec(x_23);
+x_38 = lean_box(0);
+x_39 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_37);
 return x_39;
 }
 }
 }
-}
 else
 {
 uint8_t x_40; 
@@ -11716,24 +11709,19 @@ lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_40 = !lean_is_exclusive(x_18);
+x_40 = !lean_is_exclusive(x_23);
 if (x_40 == 0)
 {
-return x_18;
+return x_23;
 }
 else
 {
 lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_18, 0);
-x_42 = lean_ctor_get(x_18, 1);
+x_41 = lean_ctor_get(x_23, 0);
+x_42 = lean_ctor_get(x_23, 1);
 lean_inc(x_42);
 lean_inc(x_41);
-lean_dec(x_18);
+lean_dec(x_23);
 x_43 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_43, 0, x_41);
 lean_ctor_set(x_43, 1, x_42);
@@ -11743,29 +11731,119 @@ return x_43;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_6);
+x_44 = lean_ctor_get(x_18, 1);
+lean_inc(x_44);
+lean_dec(x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_45 = l_Lean_Meta_clear(x_5, x_4, x_10, x_11, x_12, x_13, x_44);
+if (lean_obj_tag(x_45) == 0)
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+x_48 = lean_unsigned_to_nat(1u);
+x_49 = lean_nat_sub(x_1, x_48);
+lean_dec(x_1);
+x_50 = l_Lean_Meta_Cases_unifyEqs(x_49, x_46, x_2, x_3, x_10, x_11, x_12, x_13, x_47);
+return x_50;
+}
+else
+{
+uint8_t x_51; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_51 = !lean_is_exclusive(x_45);
+if (x_51 == 0)
+{
+return x_45;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_45, 0);
+x_53 = lean_ctor_get(x_45, 1);
+lean_inc(x_53);
+lean_inc(x_52);
+lean_dec(x_45);
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
+}
+}
+}
+}
+else
+{
+uint8_t x_55; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_55 = !lean_is_exclusive(x_18);
+if (x_55 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_18, 0);
+x_57 = lean_ctor_get(x_18, 1);
+lean_inc(x_57);
+lean_inc(x_56);
+lean_dec(x_18);
+x_58 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_58, 0, x_56);
+lean_ctor_set(x_58, 1, x_57);
+return x_58;
+}
+}
+}
+else
+{
+lean_object* x_59; 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_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
-x_44 = lean_ctor_get(x_16, 0);
-lean_inc(x_44);
+x_59 = lean_ctor_get(x_16, 0);
+lean_inc(x_59);
 lean_dec(x_16);
-x_45 = lean_ctor_get(x_15, 1);
-lean_inc(x_45);
+x_60 = lean_ctor_get(x_15, 1);
+lean_inc(x_60);
 lean_dec(x_15);
-x_46 = lean_ctor_get(x_44, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_44, 1);
-lean_inc(x_47);
-lean_dec(x_44);
-x_48 = lean_unsigned_to_nat(1u);
-x_49 = lean_nat_sub(x_1, x_48);
+x_61 = lean_ctor_get(x_59, 0);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_59, 1);
+lean_inc(x_62);
+lean_dec(x_59);
+x_63 = lean_unsigned_to_nat(1u);
+x_64 = lean_nat_sub(x_1, x_63);
 lean_dec(x_1);
-x_50 = l_Lean_Meta_Cases_unifyEqs(x_49, x_47, x_46, x_3, x_10, x_11, x_12, x_13, x_45);
-return x_50;
+x_65 = l_Lean_Meta_Cases_unifyEqs(x_64, x_62, x_61, x_3, x_10, x_11, x_12, x_13, x_60);
+return x_65;
 }
 }
 }
@@ -16661,7 +16739,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4314_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4345_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -16676,6 +16754,7 @@ lean_object* initialize_Lean_Meta_Tactic_Induction(uint8_t builtin, lean_object*
 lean_object* initialize_Lean_Meta_Tactic_Injection(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Assert(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Subst(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_Acyclic(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_Cases(uint8_t builtin, lean_object* w) {
 lean_object * res;
@@ -16699,6 +16778,9 @@ lean_dec_ref(res);
 res = initialize_Lean_Meta_Tactic_Subst(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_Acyclic(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__1 = _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__1);
 l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__2 = _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__2();
@@ -16837,7 +16919,7 @@ l_Lean_Meta_byCases___closed__4 = _init_l_Lean_Meta_byCases___closed__4();
 lean_mark_persistent(l_Lean_Meta_byCases___closed__4);
 l_Lean_Meta_byCases___closed__5 = _init_l_Lean_Meta_byCases___closed__5();
 lean_mark_persistent(l_Lean_Meta_byCases___closed__5);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4314_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_4345_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
index 8c330e603e..10b79137cb 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
@@ -22,7 +22,6 @@ lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isAuxDecl(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
@@ -32,6 +31,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInduct
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___closed__2;
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__2;
 static lean_object* l_Lean_Meta_contradiction___closed__1;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__1;
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7;
@@ -83,7 +83,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInduct
 lean_object* l_StateRefT_x27_lift___rarg___boxed(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -100,8 +99,6 @@ static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4;
@@ -157,6 +154,7 @@ LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_ElimEmptyInductive_elim__
 LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_useDecide___default;
 lean_object* l_Lean_Meta_withMVarContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__5(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_LocalDecl_fvarId(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__1;
@@ -189,8 +187,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___closed__1;
-static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2;
@@ -204,25 +202,27 @@ lean_object* l_Lean_Meta_matchNe_x3f(lean_object*, lean_object*, lean_object*, l
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__4;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__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*);
+static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1;
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__3;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 static lean_object* l_Lean_Meta_contradictionCore___closed__1;
+static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2;
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___closed__3;
-static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2;
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewMCtxDepth___at___private_Lean_Meta_Instances_0__Lean_Meta_mkInstanceKey___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFalseElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkNoConfusion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_emptyType___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_3793_(lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallMetaTelescope(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -235,22 +235,19 @@ LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim(lean_object*, lean_
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1___closed__3;
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6;
-static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__7;
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__5;
 lean_object* l_Lean_Meta_mkEqOfHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instMonadControlT__1___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_instInhabitedMetaM___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___closed__1;
 lean_object* l_Lean_Meta_matchHEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Exception_toMessageData(lean_object*);
@@ -3593,26 +3590,7 @@ x_3 = lean_box(x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_instInhabitedMetaM___boxed), 5, 1);
-lean_closure_set(x_1, 0, lean_box(0));
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__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 = l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1;
-x_8 = lean_panic_fn(x_7, x_1);
-x_9 = lean_apply_5(x_8, x_2, x_3, x_4, x_5, x_6);
-return x_9;
-}
-}
-static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -3622,11 +3600,11 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1;
+x_1 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1;
 x_2 = lean_box(0);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3634,17 +3612,17 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2;
+x_1 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___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) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___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) {
 _start:
 {
 lean_object* x_10; 
@@ -3679,7 +3657,7 @@ if (x_16 == 0)
 lean_object* x_17; lean_object* x_18; 
 x_17 = lean_ctor_get(x_13, 0);
 lean_dec(x_17);
-x_18 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3;
+x_18 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3;
 lean_ctor_set(x_13, 0, x_18);
 return x_13;
 }
@@ -3689,7 +3667,7 @@ lean_object* x_19; lean_object* x_20; lean_object* x_21;
 x_19 = lean_ctor_get(x_13, 1);
 lean_inc(x_19);
 lean_dec(x_13);
-x_20 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3;
+x_20 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3;
 x_21 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_21, 0, x_20);
 lean_ctor_set(x_21, 1, x_19);
@@ -3779,7 +3757,7 @@ return x_35;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t 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_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(lean_object* x_1, lean_object* x_2, size_t x_3, size_t 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) {
 _start:
 {
 uint8_t x_11; 
@@ -3878,7 +3856,7 @@ lean_dec(x_13);
 x_38 = lean_ctor_get(x_35, 1);
 lean_inc(x_38);
 lean_dec(x_35);
-x_39 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3;
+x_39 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3;
 x_14 = x_39;
 x_15 = x_38;
 goto block_22;
@@ -3895,7 +3873,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_1);
-x_42 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1(x_33, x_13, x_1, x_41, x_6, x_7, x_8, x_9, x_40);
+x_42 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1(x_33, x_13, x_1, x_41, x_6, x_7, x_8, x_9, x_40);
 if (lean_obj_tag(x_42) == 0)
 {
 lean_object* x_43; lean_object* x_44; 
@@ -4250,7 +4228,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_19 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2(x_18, x_13, x_16, x_17, x_18, x_4, x_5, x_6, x_7, x_12);
+x_19 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(x_18, x_13, x_16, x_17, x_18, x_4, x_5, x_6, x_7, x_12);
 if (lean_obj_tag(x_19) == 0)
 {
 lean_object* x_20; lean_object* x_21; 
@@ -4435,7 +4413,7 @@ lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
 x_10 = l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6;
-x_11 = l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(x_10, x_3, x_4, x_5, x_6, x_7);
+x_11 = l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(x_10, x_3, x_4, x_5, x_6, x_7);
 return x_11;
 }
 else
@@ -4559,16 +4537,16 @@ return x_37;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
-x_10 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_10 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_4);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___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_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 size_t x_11; size_t x_12; lean_object* x_13; 
@@ -4576,7 +4554,7 @@ x_11 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_12 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_13 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2(x_1, x_2, x_11, x_12, x_5, x_6, x_7, x_8, x_9, x_10);
+x_13 = l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(x_1, x_2, x_11, x_12, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_2);
 return x_13;
 }
@@ -8949,14 +8927,12 @@ l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lam
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1___closed__2);
 l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1___closed__3 = _init_l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1___closed__3();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1___closed__3);
-l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1 = _init_l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1();
-lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___closed__1);
-l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__1);
-l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__2);
-l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__2___lambda__1___closed__3);
+l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1);
+l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__2);
+l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3 = _init_l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__3);
 l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__1 = _init_l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__1);
 l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__2 = _init_l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith.c
index 4334023737..b5a4f57b56 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/LinearArith.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Meta.Tactic.LinearArith
-// Imports: Init Lean.Meta.Tactic.LinearArith.Basic Lean.Meta.Tactic.LinearArith.Nat
+// Imports: Init Lean.Meta.Tactic.LinearArith.Solver Lean.Meta.Tactic.LinearArith.Nat Lean.Meta.Tactic.LinearArith.Main Lean.Meta.Tactic.LinearArith.Simp
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -14,8 +14,10 @@
 extern "C" {
 #endif
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
-lean_object* initialize_Lean_Meta_Tactic_LinearArith_Basic(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Solver(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_LinearArith_Nat(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Main(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Simp(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_LinearArith(uint8_t builtin, lean_object* w) {
 lean_object * res;
@@ -24,12 +26,18 @@ _G_initialized = true;
 res = initialize_Init(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = initialize_Lean_Meta_Tactic_LinearArith_Basic(builtin, lean_io_mk_world());
+res = initialize_Lean_Meta_Tactic_LinearArith_Solver(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 res = initialize_Lean_Meta_Tactic_LinearArith_Nat(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_LinearArith_Main(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_LinearArith_Simp(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Main.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Main.c
new file mode 100644
index 0000000000..4ddeb2d2e1
--- /dev/null
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Main.c
@@ -0,0 +1,33 @@
+// Lean compiler output
+// Module: Lean.Meta.Tactic.LinearArith.Main
+// Imports: Init Lean.Meta.Tactic.LinearArith.Nat
+#include <lean/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* initialize_Init(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Nat(uint8_t builtin, lean_object*);
+static bool _G_initialized = false;
+LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_LinearArith_Main(uint8_t builtin, lean_object* w) {
+lean_object * res;
+if (_G_initialized) return lean_io_result_mk_ok(lean_box(0));
+_G_initialized = true;
+res = initialize_Init(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_LinearArith_Nat(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+return lean_io_result_mk_ok(lean_box(0));
+}
+#ifdef __cplusplus
+}
+#endif
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat.c
index 75158648c1..7d9900cb25 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat.c
@@ -18,46 +18,55 @@ lean_object* l_Nat_Linear_ExprCnstr_toPoly(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__13;
 lean_object* l_Nat_Linear_PolyCnstr_norm(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__11;
-static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashMapImp_find_x3f___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__1(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_run___rarg___closed__1;
+lean_object* l_Lean_mkApp6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__12;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_run(lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__13;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__14;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__12;
+lean_object* l_Nat_Linear_Expr_toPoly(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr___closed__1;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5;
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr_visit___closed__5;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__8;
 LEAN_EXPORT lean_object* l_Std_HashMapImp_expand___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__5(lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
-uint8_t l_Nat_Linear_PolyCnstr_hasFewerMonomials(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__11;
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_instReprExpr;
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__4;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__17;
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
 lean_object* l_Lean_Meta_mkMul(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_run___rarg___closed__2;
+lean_object* l_Lean_Meta_unfoldDefinition_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_reflTrue;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_State_vars___default___closed__1;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__6;
 static lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearCnstr___closed__2;
 static lean_object* l_Lean_Meta_Linear_Nat_reflTrue___closed__4;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3;
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__1;
 lean_object* l_Lean_Meta_evalNat(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -69,17 +78,19 @@ static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__4;
 static lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearCnstr___closed__1;
 extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 static lean_object* l_Lean_Meta_Linear_Nat_reflTrue___closed__5;
 static lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearCnstr___closed__3;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_toContextExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpExpr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__3;
 size_t lean_uint64_to_usize(uint64_t);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__8;
 LEAN_EXPORT lean_object* l_Std_AssocList_contains___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__4___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__1;
-static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_State_varMap___default;
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__17;
@@ -91,14 +102,15 @@ static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Li
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__7;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__17;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__9;
 LEAN_EXPORT lean_object* l_Std_mkHashMap___at_Lean_Meta_Linear_Nat_ToLinear_State_varMap___default___spec__1___boxed(lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__1;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__4;
@@ -112,6 +124,7 @@ lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__6;
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__13;
 static lean_object* l_Lean_Meta_Linear_Nat_reflTrue___closed__6;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1;
 lean_object* l_Nat_repr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr_visit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_AssocList_contains___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__4(lean_object*, lean_object*);
@@ -124,14 +137,17 @@ LEAN_EXPORT lean_object* l_Std_HashMap_insert___at_Lean_Meta_Linear_Nat_ToLinear
 uint64_t l_Lean_Expr_hash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__9;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13;
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__6;
 lean_object* l_Nat_Linear_Expr_inc(lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__7;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__15;
 uint8_t l_Nat_Linear_PolyCnstr_isValid(lean_object*);
+uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4_(lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedExpr;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 size_t lean_usize_modn(size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__14;
@@ -140,16 +156,24 @@ static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toArith(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Meta_isNatProjInst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_State_vars___default;
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2;
 static lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearExpr___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearExpr;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__11;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__10;
+lean_object* l_Lean_Meta_mkLE(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(lean_object*, lean_object*);
+lean_object* l_Nat_Linear_Poly_toExpr(lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1;
 lean_object* l_Lean_Meta_unfoldProjInst_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__3;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__7;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11;
 static lean_object* l_Lean_Meta_Linear_Nat_reflTrue___closed__3;
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__14;
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
@@ -163,6 +187,7 @@ static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Li
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__8;
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__2(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__5;
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__12;
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__7;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__5;
@@ -173,8 +198,10 @@ static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__6;
 lean_object* l_Lean_mkApp4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__2;
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__8;
@@ -187,6 +214,8 @@ lean_object* lean_mk_array(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_addAsVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11;
+lean_object* l_Nat_Linear_Poly_norm(lean_object*);
+lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Nat_0__Lean_Meta_Linear_Nat_reprExpr____x40_Lean_Meta_Tactic_LinearArith_Nat___hyg_4____closed__10;
 static lean_object* l_Lean_Meta_Linear_Nat_reflTrue___closed__1;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__15;
@@ -209,14 +238,15 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_instToExprLinearCnstr;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__4;
 lean_object* l_Lean_Meta_mkListLit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
 uint8_t l_Nat_Linear_PolyCnstr_isUnsat(lean_object*);
 lean_object* lean_nat_to_int(lean_object*);
+static lean_object* l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_ToLinear_run___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__7;
 static lean_object* l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__4;
 static lean_object* l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr_visit___closed__1;
+static lean_object* l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1;
 lean_object* l_Lean_Meta_mkAdd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_Meta_Linear_Nat_ToLinear_addAsVar___spec__8(lean_object*, lean_object*, lean_object*);
@@ -3337,7 +3367,7 @@ static lean_object* _init_l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___cl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("GE");
+x_1 = lean_mk_string("LT");
 return x_1;
 }
 }
@@ -3355,7 +3385,7 @@ static lean_object* _init_l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___cl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("ge");
+x_1 = lean_mk_string("lt");
 return x_1;
 }
 }
@@ -3373,7 +3403,7 @@ static lean_object* _init_l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___cl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("LT");
+x_1 = lean_mk_string("GE");
 return x_1;
 }
 }
@@ -3391,7 +3421,7 @@ static lean_object* _init_l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___cl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("lt");
+x_1 = lean_mk_string("ge");
 return x_1;
 }
 }
@@ -3446,7 +3476,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
-x_2 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__8;
+x_2 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__4;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -3554,299 +3584,299 @@ return x_21;
 }
 case 4:
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_159; uint8_t x_160; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_191; uint8_t x_192; 
 x_22 = lean_ctor_get(x_8, 0);
 lean_inc(x_22);
 lean_dec(x_8);
 x_23 = lean_unsigned_to_nat(0u);
 x_24 = l_Lean_Expr_getAppNumArgsAux(x_1, x_23);
-x_159 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__17;
-x_160 = lean_name_eq(x_22, x_159);
-if (x_160 == 0)
-{
-lean_object* x_161; 
-x_161 = lean_box(0);
-x_25 = x_161;
-goto block_158;
-}
-else
-{
-lean_object* x_162; uint8_t x_163; 
-x_162 = lean_unsigned_to_nat(3u);
-x_163 = lean_nat_dec_eq(x_24, x_162);
-if (x_163 == 0)
-{
-lean_object* x_164; 
-x_164 = lean_box(0);
-x_25 = x_164;
-goto block_158;
-}
-else
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-lean_dec(x_22);
-x_165 = lean_unsigned_to_nat(1u);
-x_166 = lean_nat_sub(x_24, x_165);
-x_167 = lean_nat_sub(x_166, x_165);
-lean_dec(x_166);
-lean_inc(x_1);
-x_168 = l_Lean_Expr_getRevArg_x21(x_1, x_167);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_169 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_168, x_2, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_169) == 0)
-{
-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; 
-x_170 = lean_ctor_get(x_169, 0);
-lean_inc(x_170);
-x_171 = lean_ctor_get(x_169, 1);
-lean_inc(x_171);
-lean_dec(x_169);
-x_172 = lean_unsigned_to_nat(2u);
-x_173 = lean_nat_sub(x_24, x_172);
-lean_dec(x_24);
-x_174 = lean_nat_sub(x_173, x_165);
-lean_dec(x_173);
-x_175 = l_Lean_Expr_getRevArg_x21(x_1, x_174);
-x_176 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_175, x_2, x_3, x_4, x_5, x_6, x_171);
-if (lean_obj_tag(x_176) == 0)
-{
-uint8_t x_177; 
-x_177 = !lean_is_exclusive(x_176);
-if (x_177 == 0)
-{
-lean_object* x_178; uint8_t x_179; lean_object* x_180; lean_object* x_181; 
-x_178 = lean_ctor_get(x_176, 0);
-x_179 = 1;
-x_180 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_180, 0, x_170);
-lean_ctor_set(x_180, 1, x_178);
-lean_ctor_set_uint8(x_180, sizeof(void*)*2, x_179);
-x_181 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_181, 0, x_180);
-lean_ctor_set(x_176, 0, x_181);
-return x_176;
-}
-else
-{
-lean_object* x_182; lean_object* x_183; uint8_t x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; 
-x_182 = lean_ctor_get(x_176, 0);
-x_183 = lean_ctor_get(x_176, 1);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_dec(x_176);
-x_184 = 1;
-x_185 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_185, 0, x_170);
-lean_ctor_set(x_185, 1, x_182);
-lean_ctor_set_uint8(x_185, sizeof(void*)*2, x_184);
-x_186 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_186, 0, x_185);
-x_187 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_187, 0, x_186);
-lean_ctor_set(x_187, 1, x_183);
-return x_187;
-}
-}
-else
-{
-uint8_t x_188; 
-lean_dec(x_170);
-x_188 = !lean_is_exclusive(x_176);
-if (x_188 == 0)
-{
-return x_176;
-}
-else
-{
-lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-x_189 = lean_ctor_get(x_176, 0);
-x_190 = lean_ctor_get(x_176, 1);
-lean_inc(x_190);
-lean_inc(x_189);
-lean_dec(x_176);
-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;
-}
-}
-}
-else
-{
-uint8_t x_192; 
-lean_dec(x_24);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_192 = !lean_is_exclusive(x_169);
+x_191 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__17;
+x_192 = lean_name_eq(x_22, x_191);
 if (x_192 == 0)
 {
-return x_169;
+lean_object* x_193; 
+x_193 = lean_box(0);
+x_25 = x_193;
+goto block_190;
 }
 else
 {
-lean_object* x_193; lean_object* x_194; lean_object* x_195; 
-x_193 = lean_ctor_get(x_169, 0);
-x_194 = lean_ctor_get(x_169, 1);
-lean_inc(x_194);
-lean_inc(x_193);
-lean_dec(x_169);
-x_195 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_195, 0, x_193);
-lean_ctor_set(x_195, 1, x_194);
-return x_195;
-}
-}
-}
-}
-block_158:
+lean_object* x_194; uint8_t x_195; 
+x_194 = lean_unsigned_to_nat(3u);
+x_195 = lean_nat_dec_eq(x_24, x_194);
+if (x_195 == 0)
 {
-lean_object* x_26; lean_object* x_62; lean_object* x_82; lean_object* x_122; uint8_t x_123; 
-lean_dec(x_25);
-x_122 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__15;
-x_123 = lean_name_eq(x_22, x_122);
-if (x_123 == 0)
-{
-lean_object* x_124; 
-x_124 = lean_box(0);
-x_82 = x_124;
-goto block_121;
+lean_object* x_196; 
+x_196 = lean_box(0);
+x_25 = x_196;
+goto block_190;
 }
 else
 {
-lean_object* x_125; uint8_t x_126; 
-x_125 = lean_unsigned_to_nat(2u);
-x_126 = lean_nat_dec_eq(x_24, x_125);
-if (x_126 == 0)
-{
-lean_object* x_127; 
-x_127 = lean_box(0);
-x_82 = x_127;
-goto block_121;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
 lean_dec(x_22);
-x_128 = lean_nat_sub(x_24, x_23);
-x_129 = lean_unsigned_to_nat(1u);
-x_130 = lean_nat_sub(x_128, x_129);
-lean_dec(x_128);
+x_197 = lean_unsigned_to_nat(1u);
+x_198 = lean_nat_sub(x_24, x_197);
+x_199 = lean_nat_sub(x_198, x_197);
+lean_dec(x_198);
 lean_inc(x_1);
-x_131 = l_Lean_Expr_getRevArg_x21(x_1, x_130);
+x_200 = l_Lean_Expr_getRevArg_x21(x_1, x_199);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_132 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_131, x_2, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_132) == 0)
+x_201 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_200, x_2, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_201) == 0)
 {
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
-lean_inc(x_134);
-lean_dec(x_132);
-x_135 = lean_nat_sub(x_24, x_129);
+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_202 = lean_ctor_get(x_201, 0);
+lean_inc(x_202);
+x_203 = lean_ctor_get(x_201, 1);
+lean_inc(x_203);
+lean_dec(x_201);
+x_204 = lean_unsigned_to_nat(2u);
+x_205 = lean_nat_sub(x_24, x_204);
 lean_dec(x_24);
-x_136 = lean_nat_sub(x_135, x_129);
-lean_dec(x_135);
-x_137 = l_Lean_Expr_getRevArg_x21(x_1, x_136);
-x_138 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_137, x_2, x_3, x_4, x_5, x_6, x_134);
-if (lean_obj_tag(x_138) == 0)
+x_206 = lean_nat_sub(x_205, x_197);
+lean_dec(x_205);
+x_207 = l_Lean_Expr_getRevArg_x21(x_1, x_206);
+x_208 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_207, x_2, x_3, x_4, x_5, x_6, x_203);
+if (lean_obj_tag(x_208) == 0)
 {
-uint8_t x_139; 
-x_139 = !lean_is_exclusive(x_138);
-if (x_139 == 0)
+uint8_t x_209; 
+x_209 = !lean_is_exclusive(x_208);
+if (x_209 == 0)
 {
-lean_object* x_140; uint8_t x_141; lean_object* x_142; lean_object* x_143; 
-x_140 = lean_ctor_get(x_138, 0);
-x_141 = 0;
-x_142 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_142, 0, x_133);
-lean_ctor_set(x_142, 1, x_140);
-lean_ctor_set_uint8(x_142, sizeof(void*)*2, x_141);
-x_143 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_143, 0, x_142);
-lean_ctor_set(x_138, 0, x_143);
-return x_138;
+lean_object* x_210; uint8_t x_211; lean_object* x_212; lean_object* x_213; 
+x_210 = lean_ctor_get(x_208, 0);
+x_211 = 1;
+x_212 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_212, 0, x_202);
+lean_ctor_set(x_212, 1, x_210);
+lean_ctor_set_uint8(x_212, sizeof(void*)*2, x_211);
+x_213 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_213, 0, x_212);
+lean_ctor_set(x_208, 0, x_213);
+return x_208;
 }
 else
 {
-lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
-x_144 = lean_ctor_get(x_138, 0);
-x_145 = lean_ctor_get(x_138, 1);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_dec(x_138);
-x_146 = 0;
-x_147 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_147, 0, x_133);
-lean_ctor_set(x_147, 1, x_144);
-lean_ctor_set_uint8(x_147, sizeof(void*)*2, x_146);
-x_148 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_148, 0, x_147);
-x_149 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_149, 0, x_148);
-lean_ctor_set(x_149, 1, x_145);
-return x_149;
+lean_object* x_214; lean_object* x_215; uint8_t x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; 
+x_214 = lean_ctor_get(x_208, 0);
+x_215 = lean_ctor_get(x_208, 1);
+lean_inc(x_215);
+lean_inc(x_214);
+lean_dec(x_208);
+x_216 = 1;
+x_217 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_217, 0, x_202);
+lean_ctor_set(x_217, 1, x_214);
+lean_ctor_set_uint8(x_217, sizeof(void*)*2, x_216);
+x_218 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_218, 0, x_217);
+x_219 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_219, 0, x_218);
+lean_ctor_set(x_219, 1, x_215);
+return x_219;
 }
 }
 else
 {
-uint8_t x_150; 
-lean_dec(x_133);
-x_150 = !lean_is_exclusive(x_138);
-if (x_150 == 0)
+uint8_t x_220; 
+lean_dec(x_202);
+x_220 = !lean_is_exclusive(x_208);
+if (x_220 == 0)
 {
-return x_138;
+return x_208;
 }
 else
 {
-lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_151 = lean_ctor_get(x_138, 0);
-x_152 = lean_ctor_get(x_138, 1);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_138);
-x_153 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_153, 0, x_151);
-lean_ctor_set(x_153, 1, x_152);
-return x_153;
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
+x_221 = lean_ctor_get(x_208, 0);
+x_222 = lean_ctor_get(x_208, 1);
+lean_inc(x_222);
+lean_inc(x_221);
+lean_dec(x_208);
+x_223 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_223, 0, x_221);
+lean_ctor_set(x_223, 1, x_222);
+return x_223;
 }
 }
 }
 else
 {
-uint8_t x_154; 
+uint8_t x_224; 
 lean_dec(x_24);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_154 = !lean_is_exclusive(x_132);
-if (x_154 == 0)
+x_224 = !lean_is_exclusive(x_201);
+if (x_224 == 0)
 {
-return x_132;
+return x_201;
 }
 else
 {
-lean_object* x_155; lean_object* x_156; lean_object* x_157; 
-x_155 = lean_ctor_get(x_132, 0);
-x_156 = lean_ctor_get(x_132, 1);
-lean_inc(x_156);
-lean_inc(x_155);
-lean_dec(x_132);
-x_157 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_157, 0, x_155);
-lean_ctor_set(x_157, 1, x_156);
-return x_157;
+lean_object* x_225; lean_object* x_226; lean_object* x_227; 
+x_225 = lean_ctor_get(x_201, 0);
+x_226 = lean_ctor_get(x_201, 1);
+lean_inc(x_226);
+lean_inc(x_225);
+lean_dec(x_201);
+x_227 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_227, 0, x_225);
+lean_ctor_set(x_227, 1, x_226);
+return x_227;
+}
+}
+}
+}
+block_190:
+{
+lean_object* x_26; lean_object* x_62; lean_object* x_114; lean_object* x_154; uint8_t x_155; 
+lean_dec(x_25);
+x_154 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__15;
+x_155 = lean_name_eq(x_22, x_154);
+if (x_155 == 0)
+{
+lean_object* x_156; 
+x_156 = lean_box(0);
+x_114 = x_156;
+goto block_153;
+}
+else
+{
+lean_object* x_157; uint8_t x_158; 
+x_157 = lean_unsigned_to_nat(2u);
+x_158 = lean_nat_dec_eq(x_24, x_157);
+if (x_158 == 0)
+{
+lean_object* x_159; 
+x_159 = lean_box(0);
+x_114 = x_159;
+goto block_153;
+}
+else
+{
+lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+lean_dec(x_22);
+x_160 = lean_nat_sub(x_24, x_23);
+x_161 = lean_unsigned_to_nat(1u);
+x_162 = lean_nat_sub(x_160, x_161);
+lean_dec(x_160);
+lean_inc(x_1);
+x_163 = l_Lean_Expr_getRevArg_x21(x_1, x_162);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_164 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_163, x_2, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_164) == 0)
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; 
+x_165 = lean_ctor_get(x_164, 0);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_164, 1);
+lean_inc(x_166);
+lean_dec(x_164);
+x_167 = lean_nat_sub(x_24, x_161);
+lean_dec(x_24);
+x_168 = lean_nat_sub(x_167, x_161);
+lean_dec(x_167);
+x_169 = l_Lean_Expr_getRevArg_x21(x_1, x_168);
+x_170 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_169, x_2, x_3, x_4, x_5, x_6, x_166);
+if (lean_obj_tag(x_170) == 0)
+{
+uint8_t x_171; 
+x_171 = !lean_is_exclusive(x_170);
+if (x_171 == 0)
+{
+lean_object* x_172; uint8_t x_173; lean_object* x_174; lean_object* x_175; 
+x_172 = lean_ctor_get(x_170, 0);
+x_173 = 0;
+x_174 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_174, 0, x_165);
+lean_ctor_set(x_174, 1, x_172);
+lean_ctor_set_uint8(x_174, sizeof(void*)*2, x_173);
+x_175 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_175, 0, x_174);
+lean_ctor_set(x_170, 0, x_175);
+return x_170;
+}
+else
+{
+lean_object* x_176; lean_object* x_177; uint8_t x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+x_176 = lean_ctor_get(x_170, 0);
+x_177 = lean_ctor_get(x_170, 1);
+lean_inc(x_177);
+lean_inc(x_176);
+lean_dec(x_170);
+x_178 = 0;
+x_179 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_179, 0, x_165);
+lean_ctor_set(x_179, 1, x_176);
+lean_ctor_set_uint8(x_179, sizeof(void*)*2, x_178);
+x_180 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_180, 0, x_179);
+x_181 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_181, 0, x_180);
+lean_ctor_set(x_181, 1, x_177);
+return x_181;
+}
+}
+else
+{
+uint8_t x_182; 
+lean_dec(x_165);
+x_182 = !lean_is_exclusive(x_170);
+if (x_182 == 0)
+{
+return x_170;
+}
+else
+{
+lean_object* x_183; lean_object* x_184; lean_object* x_185; 
+x_183 = lean_ctor_get(x_170, 0);
+x_184 = lean_ctor_get(x_170, 1);
+lean_inc(x_184);
+lean_inc(x_183);
+lean_dec(x_170);
+x_185 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_185, 0, x_183);
+lean_ctor_set(x_185, 1, x_184);
+return x_185;
+}
+}
+}
+else
+{
+uint8_t x_186; 
+lean_dec(x_24);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_186 = !lean_is_exclusive(x_164);
+if (x_186 == 0)
+{
+return x_164;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_187 = lean_ctor_get(x_164, 0);
+x_188 = lean_ctor_get(x_164, 1);
+lean_inc(x_188);
+lean_inc(x_187);
+lean_dec(x_164);
+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;
 }
 }
 }
@@ -4022,245 +4052,419 @@ return x_60;
 }
 }
 }
-block_81:
+block_113:
 {
-lean_object* x_63; uint8_t x_64; 
+lean_object* x_63; uint8_t x_64; lean_object* x_65; 
 lean_dec(x_62);
 x_63 = lean_unsigned_to_nat(4u);
 x_64 = lean_nat_dec_eq(x_24, x_63);
 if (x_64 == 0)
 {
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_24);
-lean_dec(x_22);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_65 = lean_box(0);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_7);
-return x_66;
-}
-else
-{
-lean_object* x_67; uint8_t x_68; 
-x_67 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__4;
-x_68 = lean_name_eq(x_22, x_67);
-if (x_68 == 0)
-{
-lean_object* x_69; uint8_t x_70; 
-x_69 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__5;
-x_70 = lean_name_eq(x_22, x_69);
-if (x_70 == 0)
-{
-lean_object* x_71; uint8_t x_72; 
-x_71 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__9;
-x_72 = lean_name_eq(x_22, x_71);
-if (x_72 == 0)
-{
-lean_object* x_73; uint8_t x_74; 
-x_73 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__13;
-x_74 = lean_name_eq(x_22, x_73);
-lean_dec(x_22);
-if (x_74 == 0)
-{
-lean_object* x_75; lean_object* x_76; 
-lean_dec(x_24);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_75 = lean_box(0);
-x_76 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_7);
-return x_76;
-}
-else
-{
 lean_object* x_77; 
 x_77 = lean_box(0);
-x_26 = x_77;
-goto block_61;
-}
+x_65 = x_77;
+goto block_76;
 }
 else
 {
-lean_object* x_78; 
+lean_object* x_78; uint8_t x_79; 
+x_78 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__9;
+x_79 = lean_name_eq(x_22, x_78);
+if (x_79 == 0)
+{
+lean_object* x_80; uint8_t x_81; 
+x_80 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__13;
+x_81 = lean_name_eq(x_22, x_80);
+if (x_81 == 0)
+{
+lean_object* x_82; 
+x_82 = lean_box(0);
+x_65 = x_82;
+goto block_76;
+}
+else
+{
+lean_object* x_83; 
+lean_dec(x_24);
 lean_dec(x_22);
-x_78 = lean_box(0);
-x_26 = x_78;
-goto block_61;
-}
-}
-else
-{
-lean_object* x_79; 
-lean_dec(x_22);
-x_79 = lean_box(0);
-x_26 = x_79;
-goto block_61;
-}
-}
-else
-{
-lean_object* x_80; 
-lean_dec(x_22);
-x_80 = lean_box(0);
-x_26 = x_80;
-goto block_61;
-}
-}
-}
-block_121:
-{
-lean_object* x_83; uint8_t x_84; 
-lean_dec(x_82);
-x_83 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__14;
-x_84 = lean_name_eq(x_22, x_83);
-if (x_84 == 0)
-{
-lean_object* x_85; 
-x_85 = lean_box(0);
-x_62 = x_85;
-goto block_81;
-}
-else
-{
-lean_object* x_86; uint8_t x_87; 
-x_86 = lean_unsigned_to_nat(2u);
-x_87 = lean_nat_dec_eq(x_24, x_86);
-if (x_87 == 0)
-{
-lean_object* x_88; 
-x_88 = lean_box(0);
-x_62 = x_88;
-goto block_81;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-lean_dec(x_22);
-x_89 = lean_nat_sub(x_24, x_23);
-x_90 = lean_unsigned_to_nat(1u);
-x_91 = lean_nat_sub(x_89, x_90);
-lean_dec(x_89);
-lean_inc(x_1);
-x_92 = l_Lean_Expr_getRevArg_x21(x_1, x_91);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_93 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_92, x_2, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_93) == 0)
+x_83 = l_Lean_Meta_unfoldDefinition_x3f(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_83) == 0)
 {
-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_94 = lean_ctor_get(x_93, 0);
-lean_inc(x_94);
-x_95 = lean_ctor_get(x_93, 1);
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_83, 0);
+lean_inc(x_84);
+if (lean_obj_tag(x_84) == 0)
+{
+uint8_t x_85; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_85 = !lean_is_exclusive(x_83);
+if (x_85 == 0)
+{
+lean_object* x_86; lean_object* x_87; 
+x_86 = lean_ctor_get(x_83, 0);
+lean_dec(x_86);
+x_87 = lean_box(0);
+lean_ctor_set(x_83, 0, x_87);
+return x_83;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_83, 1);
+lean_inc(x_88);
+lean_dec(x_83);
+x_89 = lean_box(0);
+x_90 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_88);
+return x_90;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; 
+x_91 = lean_ctor_get(x_83, 1);
+lean_inc(x_91);
+lean_dec(x_83);
+x_92 = lean_ctor_get(x_84, 0);
+lean_inc(x_92);
+lean_dec(x_84);
+x_1 = x_92;
+x_7 = x_91;
+goto _start;
+}
+}
+else
+{
+uint8_t x_94; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_94 = !lean_is_exclusive(x_83);
+if (x_94 == 0)
+{
+return x_83;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_83, 0);
+x_96 = lean_ctor_get(x_83, 1);
+lean_inc(x_96);
 lean_inc(x_95);
-lean_dec(x_93);
-x_96 = lean_nat_sub(x_24, x_90);
+lean_dec(x_83);
+x_97 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+return x_97;
+}
+}
+}
+}
+else
+{
+lean_object* x_98; 
 lean_dec(x_24);
-x_97 = lean_nat_sub(x_96, x_90);
-lean_dec(x_96);
-x_98 = l_Lean_Expr_getRevArg_x21(x_1, x_97);
-x_99 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_98, x_2, x_3, x_4, x_5, x_6, x_95);
+lean_dec(x_22);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_98 = l_Lean_Meta_unfoldDefinition_x3f(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_98) == 0)
+{
+lean_object* x_99; 
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
 if (lean_obj_tag(x_99) == 0)
 {
 uint8_t x_100; 
-x_100 = !lean_is_exclusive(x_99);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_100 = !lean_is_exclusive(x_98);
 if (x_100 == 0)
 {
-lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; 
-x_101 = lean_ctor_get(x_99, 0);
-x_102 = l_Nat_Linear_Expr_inc(x_94);
-x_103 = 0;
-x_104 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_101);
-lean_ctor_set_uint8(x_104, sizeof(void*)*2, x_103);
-x_105 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_105, 0, x_104);
-lean_ctor_set(x_99, 0, x_105);
-return x_99;
+lean_object* x_101; lean_object* x_102; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+x_102 = lean_box(0);
+lean_ctor_set(x_98, 0, x_102);
+return x_98;
 }
 else
 {
-lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_106 = lean_ctor_get(x_99, 0);
-x_107 = lean_ctor_get(x_99, 1);
-lean_inc(x_107);
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_98, 1);
+lean_inc(x_103);
+lean_dec(x_98);
+x_104 = lean_box(0);
+x_105 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_105, 0, x_104);
+lean_ctor_set(x_105, 1, x_103);
+return x_105;
+}
+}
+else
+{
+lean_object* x_106; lean_object* x_107; 
+x_106 = lean_ctor_get(x_98, 1);
 lean_inc(x_106);
+lean_dec(x_98);
+x_107 = lean_ctor_get(x_99, 0);
+lean_inc(x_107);
 lean_dec(x_99);
-x_108 = l_Nat_Linear_Expr_inc(x_94);
-x_109 = 0;
-x_110 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_110, 0, x_108);
-lean_ctor_set(x_110, 1, x_106);
-lean_ctor_set_uint8(x_110, sizeof(void*)*2, x_109);
-x_111 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_111, 0, x_110);
-x_112 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_107);
+x_1 = x_107;
+x_7 = x_106;
+goto _start;
+}
+}
+else
+{
+uint8_t x_109; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_109 = !lean_is_exclusive(x_98);
+if (x_109 == 0)
+{
+return x_98;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+x_110 = lean_ctor_get(x_98, 0);
+x_111 = lean_ctor_get(x_98, 1);
+lean_inc(x_111);
+lean_inc(x_110);
+lean_dec(x_98);
+x_112 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_112, 0, x_110);
+lean_ctor_set(x_112, 1, x_111);
 return x_112;
 }
 }
-else
+}
+}
+block_76:
 {
-uint8_t x_113; 
-lean_dec(x_94);
-x_113 = !lean_is_exclusive(x_99);
-if (x_113 == 0)
+lean_dec(x_65);
+if (x_64 == 0)
 {
-return x_99;
+lean_object* x_66; lean_object* x_67; 
+lean_dec(x_24);
+lean_dec(x_22);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_66 = lean_box(0);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_7);
+return x_67;
 }
 else
 {
-lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_99, 0);
-x_115 = lean_ctor_get(x_99, 1);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_dec(x_99);
-x_116 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_116, 0, x_114);
-lean_ctor_set(x_116, 1, x_115);
-return x_116;
-}
-}
-}
-else
+lean_object* x_68; uint8_t x_69; 
+x_68 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__4;
+x_69 = lean_name_eq(x_22, x_68);
+if (x_69 == 0)
 {
-uint8_t x_117; 
+lean_object* x_70; uint8_t x_71; 
+x_70 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__5;
+x_71 = lean_name_eq(x_22, x_70);
+lean_dec(x_22);
+if (x_71 == 0)
+{
+lean_object* x_72; lean_object* x_73; 
 lean_dec(x_24);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_117 = !lean_is_exclusive(x_93);
-if (x_117 == 0)
-{
-return x_93;
+x_72 = lean_box(0);
+x_73 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_73, 0, x_72);
+lean_ctor_set(x_73, 1, x_7);
+return x_73;
 }
 else
 {
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_118 = lean_ctor_get(x_93, 0);
-x_119 = lean_ctor_get(x_93, 1);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_dec(x_93);
-x_120 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_120, 0, x_118);
-lean_ctor_set(x_120, 1, x_119);
-return x_120;
+lean_object* x_74; 
+x_74 = lean_box(0);
+x_26 = x_74;
+goto block_61;
+}
+}
+else
+{
+lean_object* x_75; 
+lean_dec(x_22);
+x_75 = lean_box(0);
+x_26 = x_75;
+goto block_61;
+}
+}
+}
+}
+block_153:
+{
+lean_object* x_115; uint8_t x_116; 
+lean_dec(x_114);
+x_115 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__14;
+x_116 = lean_name_eq(x_22, x_115);
+if (x_116 == 0)
+{
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_62 = x_117;
+goto block_113;
+}
+else
+{
+lean_object* x_118; uint8_t x_119; 
+x_118 = lean_unsigned_to_nat(2u);
+x_119 = lean_nat_dec_eq(x_24, x_118);
+if (x_119 == 0)
+{
+lean_object* x_120; 
+x_120 = lean_box(0);
+x_62 = x_120;
+goto block_113;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+lean_dec(x_22);
+x_121 = lean_nat_sub(x_24, x_23);
+x_122 = lean_unsigned_to_nat(1u);
+x_123 = lean_nat_sub(x_121, x_122);
+lean_dec(x_121);
+lean_inc(x_1);
+x_124 = l_Lean_Expr_getRevArg_x21(x_1, x_123);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_125 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_124, x_2, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_125) == 0)
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_126 = lean_ctor_get(x_125, 0);
+lean_inc(x_126);
+x_127 = lean_ctor_get(x_125, 1);
+lean_inc(x_127);
+lean_dec(x_125);
+x_128 = lean_nat_sub(x_24, x_122);
+lean_dec(x_24);
+x_129 = lean_nat_sub(x_128, x_122);
+lean_dec(x_128);
+x_130 = l_Lean_Expr_getRevArg_x21(x_1, x_129);
+x_131 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_130, x_2, x_3, x_4, x_5, x_6, x_127);
+if (lean_obj_tag(x_131) == 0)
+{
+uint8_t x_132; 
+x_132 = !lean_is_exclusive(x_131);
+if (x_132 == 0)
+{
+lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; lean_object* x_137; 
+x_133 = lean_ctor_get(x_131, 0);
+x_134 = l_Nat_Linear_Expr_inc(x_126);
+x_135 = 0;
+x_136 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_136, 0, x_134);
+lean_ctor_set(x_136, 1, x_133);
+lean_ctor_set_uint8(x_136, sizeof(void*)*2, x_135);
+x_137 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_131, 0, x_137);
+return x_131;
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; 
+x_138 = lean_ctor_get(x_131, 0);
+x_139 = lean_ctor_get(x_131, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_dec(x_131);
+x_140 = l_Nat_Linear_Expr_inc(x_126);
+x_141 = 0;
+x_142 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_142, 0, x_140);
+lean_ctor_set(x_142, 1, x_138);
+lean_ctor_set_uint8(x_142, sizeof(void*)*2, x_141);
+x_143 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_143, 0, x_142);
+x_144 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_144, 0, x_143);
+lean_ctor_set(x_144, 1, x_139);
+return x_144;
+}
+}
+else
+{
+uint8_t x_145; 
+lean_dec(x_126);
+x_145 = !lean_is_exclusive(x_131);
+if (x_145 == 0)
+{
+return x_131;
+}
+else
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_146 = lean_ctor_get(x_131, 0);
+x_147 = lean_ctor_get(x_131, 1);
+lean_inc(x_147);
+lean_inc(x_146);
+lean_dec(x_131);
+x_148 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_148, 0, x_146);
+lean_ctor_set(x_148, 1, x_147);
+return x_148;
+}
+}
+}
+else
+{
+uint8_t x_149; 
+lean_dec(x_24);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_149 = !lean_is_exclusive(x_125);
+if (x_149 == 0)
+{
+return x_125;
+}
+else
+{
+lean_object* x_150; lean_object* x_151; lean_object* x_152; 
+x_150 = lean_ctor_get(x_125, 0);
+x_151 = lean_ctor_get(x_125, 1);
+lean_inc(x_151);
+lean_inc(x_150);
+lean_dec(x_125);
+x_152 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_152, 0, x_150);
+lean_ctor_set(x_152, 1, x_151);
+return x_152;
 }
 }
 }
@@ -4270,18 +4474,18 @@ return x_120;
 }
 default: 
 {
-lean_object* x_196; lean_object* x_197; 
+lean_object* x_228; lean_object* x_229; 
 lean_dec(x_8);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_196 = lean_box(0);
-x_197 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_197, 0, x_196);
-lean_ctor_set(x_197, 1, x_7);
-return x_197;
+x_228 = lean_box(0);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_7);
+return x_229;
 }
 }
 }
@@ -4496,7 +4700,7 @@ x_1 = l_Lean_Meta_Linear_Nat_reflTrue___closed__6;
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4504,27 +4708,27 @@ x_1 = lean_mk_string("eq_of_toNormPoly_eq");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__2;
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__4() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -4532,27 +4736,27 @@ x_1 = lean_mk_string("eq_true_of_isValid");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__5() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__2;
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__4;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__5;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__7() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7() {
 _start:
 {
 lean_object* x_1; 
@@ -4560,27 +4764,27 @@ x_1 = lean_mk_string("True");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__8() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__7;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__8;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10() {
 _start:
 {
 lean_object* x_1; 
@@ -4588,27 +4792,27 @@ x_1 = lean_mk_string("eq_false_of_isUnsat");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr___closed__2;
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13() {
 _start:
 {
 lean_object* x_1; 
@@ -4616,27 +4820,27 @@ x_1 = lean_mk_string("False");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15() {
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f(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_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f(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; 
@@ -4718,11 +4922,127 @@ x_28 = l_Nat_Linear_PolyCnstr_isValid(x_26);
 if (x_28 == 0)
 {
 uint8_t x_29; 
-x_29 = l_Nat_Linear_PolyCnstr_hasFewerMonomials(x_26, x_25);
+x_29 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(x_25, x_26);
 lean_dec(x_25);
 if (x_29 == 0)
 {
-lean_object* x_30; 
+lean_object* x_30; lean_object* x_31; 
+lean_free_object(x_8);
+x_30 = l_Nat_Linear_PolyCnstr_toExpr(x_26);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_21);
+x_31 = l_Lean_Meta_Linear_Nat_toContextExpr(x_21, x_2, x_3, x_4, x_5, x_18);
+if (lean_obj_tag(x_31) == 0)
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_32 = lean_ctor_get(x_31, 0);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_31, 1);
+lean_inc(x_33);
+lean_dec(x_31);
+x_34 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
+lean_inc(x_30);
+x_35 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_30);
+x_36 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3;
+x_37 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_38 = l_Lean_mkApp4(x_36, x_32, x_34, x_35, x_37);
+x_39 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_21, x_30, x_2, x_3, x_4, x_5, x_33);
+lean_dec(x_21);
+if (lean_obj_tag(x_39) == 0)
+{
+uint8_t x_40; 
+x_40 = !lean_is_exclusive(x_39);
+if (x_40 == 0)
+{
+lean_object* x_41; 
+x_41 = lean_ctor_get(x_39, 0);
+lean_ctor_set(x_9, 1, x_38);
+lean_ctor_set(x_9, 0, x_41);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_39, 0, x_10);
+return x_39;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_39, 0);
+x_43 = lean_ctor_get(x_39, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_39);
+lean_ctor_set(x_9, 1, x_38);
+lean_ctor_set(x_9, 0, x_42);
+lean_ctor_set(x_10, 0, x_9);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_10);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
+}
+else
+{
+uint8_t x_45; 
+lean_dec(x_38);
+lean_free_object(x_10);
+lean_free_object(x_9);
+x_45 = !lean_is_exclusive(x_39);
+if (x_45 == 0)
+{
+return x_39;
+}
+else
+{
+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(1, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
+}
+}
+}
+else
+{
+uint8_t x_49; 
+lean_dec(x_30);
+lean_free_object(x_10);
+lean_dec(x_24);
+lean_free_object(x_9);
+lean_dec(x_21);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_49 = !lean_is_exclusive(x_31);
+if (x_49 == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_31, 0);
+x_51 = lean_ctor_get(x_31, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_31);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
+}
+}
+else
+{
+lean_object* x_53; 
 lean_dec(x_26);
 lean_free_object(x_10);
 lean_dec(x_24);
@@ -4732,126 +5052,10 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_30 = lean_box(0);
-lean_ctor_set(x_8, 0, x_30);
+x_53 = lean_box(0);
+lean_ctor_set(x_8, 0, x_53);
 return x_8;
 }
-else
-{
-lean_object* x_31; lean_object* x_32; 
-lean_free_object(x_8);
-x_31 = l_Nat_Linear_PolyCnstr_toExpr(x_26);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_21);
-x_32 = l_Lean_Meta_Linear_Nat_toContextExpr(x_21, x_2, x_3, x_4, x_5, x_18);
-if (lean_obj_tag(x_32) == 0)
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_33 = lean_ctor_get(x_32, 0);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_32, 1);
-lean_inc(x_34);
-lean_dec(x_32);
-x_35 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
-lean_inc(x_31);
-x_36 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_31);
-x_37 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
-x_38 = l_Lean_Meta_Linear_Nat_reflTrue;
-x_39 = l_Lean_mkApp4(x_37, x_33, x_35, x_36, x_38);
-x_40 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_21, x_31, x_2, x_3, x_4, x_5, x_34);
-lean_dec(x_21);
-if (lean_obj_tag(x_40) == 0)
-{
-uint8_t x_41; 
-x_41 = !lean_is_exclusive(x_40);
-if (x_41 == 0)
-{
-lean_object* x_42; 
-x_42 = lean_ctor_get(x_40, 0);
-lean_ctor_set(x_9, 1, x_39);
-lean_ctor_set(x_9, 0, x_42);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_40, 0, x_10);
-return x_40;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_40, 0);
-x_44 = lean_ctor_get(x_40, 1);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_40);
-lean_ctor_set(x_9, 1, x_39);
-lean_ctor_set(x_9, 0, x_43);
-lean_ctor_set(x_10, 0, x_9);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_10);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
-}
-}
-else
-{
-uint8_t x_46; 
-lean_dec(x_39);
-lean_free_object(x_10);
-lean_free_object(x_9);
-x_46 = !lean_is_exclusive(x_40);
-if (x_46 == 0)
-{
-return x_40;
-}
-else
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_40, 0);
-x_48 = lean_ctor_get(x_40, 1);
-lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_40);
-x_49 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-return x_49;
-}
-}
-}
-else
-{
-uint8_t x_50; 
-lean_dec(x_31);
-lean_free_object(x_10);
-lean_dec(x_24);
-lean_free_object(x_9);
-lean_dec(x_21);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_50 = !lean_is_exclusive(x_32);
-if (x_50 == 0)
-{
-return x_32;
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_32, 0);
-x_52 = lean_ctor_get(x_32, 1);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_32);
-x_53 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
-}
-}
-}
 }
 else
 {
@@ -4869,10 +5073,10 @@ if (x_55 == 0)
 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_56 = lean_ctor_get(x_54, 0);
 x_57 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
-x_58 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_58 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
 x_59 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_60 = l_Lean_mkApp3(x_58, x_56, x_57, x_59);
-x_61 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_61 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 lean_ctor_set(x_9, 1, x_60);
 lean_ctor_set(x_9, 0, x_61);
 lean_ctor_set(x_10, 0, x_9);
@@ -4888,10 +5092,10 @@ lean_inc(x_63);
 lean_inc(x_62);
 lean_dec(x_54);
 x_64 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
-x_65 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_65 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
 x_66 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_67 = l_Lean_mkApp3(x_65, x_62, x_64, x_66);
-x_68 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_68 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 lean_ctor_set(x_9, 1, x_67);
 lean_ctor_set(x_9, 0, x_68);
 lean_ctor_set(x_10, 0, x_9);
@@ -4944,10 +5148,10 @@ if (x_75 == 0)
 lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
 x_76 = lean_ctor_get(x_74, 0);
 x_77 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
-x_78 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
+x_78 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 x_79 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_80 = l_Lean_mkApp3(x_78, x_76, x_77, x_79);
-x_81 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
+x_81 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 lean_ctor_set(x_9, 1, x_80);
 lean_ctor_set(x_9, 0, x_81);
 lean_ctor_set(x_10, 0, x_9);
@@ -4963,10 +5167,10 @@ lean_inc(x_83);
 lean_inc(x_82);
 lean_dec(x_74);
 x_84 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_24);
-x_85 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
+x_85 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 x_86 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_87 = l_Lean_mkApp3(x_85, x_82, x_84, x_86);
-x_88 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
+x_88 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 lean_ctor_set(x_9, 1, x_87);
 lean_ctor_set(x_9, 0, x_88);
 lean_ctor_set(x_10, 0, x_9);
@@ -5020,11 +5224,126 @@ x_98 = l_Nat_Linear_PolyCnstr_isValid(x_96);
 if (x_98 == 0)
 {
 uint8_t x_99; 
-x_99 = l_Nat_Linear_PolyCnstr_hasFewerMonomials(x_96, x_95);
+x_99 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(x_95, x_96);
 lean_dec(x_95);
 if (x_99 == 0)
 {
-lean_object* x_100; 
+lean_object* x_100; lean_object* x_101; 
+lean_free_object(x_8);
+x_100 = l_Nat_Linear_PolyCnstr_toExpr(x_96);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_21);
+x_101 = l_Lean_Meta_Linear_Nat_toContextExpr(x_21, x_2, x_3, x_4, x_5, x_18);
+if (lean_obj_tag(x_101) == 0)
+{
+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_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_101, 1);
+lean_inc(x_103);
+lean_dec(x_101);
+x_104 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_94);
+lean_inc(x_100);
+x_105 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_100);
+x_106 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3;
+x_107 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_108 = l_Lean_mkApp4(x_106, x_102, x_104, x_105, x_107);
+x_109 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_21, x_100, x_2, x_3, x_4, x_5, x_103);
+lean_dec(x_21);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+if (lean_is_exclusive(x_109)) {
+ lean_ctor_release(x_109, 0);
+ lean_ctor_release(x_109, 1);
+ x_112 = x_109;
+} else {
+ lean_dec_ref(x_109);
+ x_112 = lean_box(0);
+}
+lean_ctor_set(x_9, 1, x_108);
+lean_ctor_set(x_9, 0, x_110);
+x_113 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_113, 0, x_9);
+if (lean_is_scalar(x_112)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_112;
+}
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_111);
+return x_114;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+lean_dec(x_108);
+lean_free_object(x_9);
+x_115 = lean_ctor_get(x_109, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_109, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_109)) {
+ lean_ctor_release(x_109, 0);
+ lean_ctor_release(x_109, 1);
+ x_117 = x_109;
+} else {
+ lean_dec_ref(x_109);
+ x_117 = lean_box(0);
+}
+if (lean_is_scalar(x_117)) {
+ x_118 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_118 = x_117;
+}
+lean_ctor_set(x_118, 0, x_115);
+lean_ctor_set(x_118, 1, x_116);
+return x_118;
+}
+}
+else
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+lean_dec(x_100);
+lean_dec(x_94);
+lean_free_object(x_9);
+lean_dec(x_21);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_119 = lean_ctor_get(x_101, 0);
+lean_inc(x_119);
+x_120 = lean_ctor_get(x_101, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_101)) {
+ lean_ctor_release(x_101, 0);
+ lean_ctor_release(x_101, 1);
+ x_121 = x_101;
+} else {
+ lean_dec_ref(x_101);
+ x_121 = lean_box(0);
+}
+if (lean_is_scalar(x_121)) {
+ x_122 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_122 = x_121;
+}
+lean_ctor_set(x_122, 0, x_119);
+lean_ctor_set(x_122, 1, x_120);
+return x_122;
+}
+}
+else
+{
+lean_object* x_123; 
 lean_dec(x_96);
 lean_dec(x_94);
 lean_free_object(x_9);
@@ -5033,125 +5352,10 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_100 = lean_box(0);
-lean_ctor_set(x_8, 0, x_100);
+x_123 = lean_box(0);
+lean_ctor_set(x_8, 0, x_123);
 return x_8;
 }
-else
-{
-lean_object* x_101; lean_object* x_102; 
-lean_free_object(x_8);
-x_101 = l_Nat_Linear_PolyCnstr_toExpr(x_96);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_21);
-x_102 = l_Lean_Meta_Linear_Nat_toContextExpr(x_21, x_2, x_3, x_4, x_5, x_18);
-if (lean_obj_tag(x_102) == 0)
-{
-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; 
-x_103 = lean_ctor_get(x_102, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_102, 1);
-lean_inc(x_104);
-lean_dec(x_102);
-x_105 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_94);
-lean_inc(x_101);
-x_106 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_101);
-x_107 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
-x_108 = l_Lean_Meta_Linear_Nat_reflTrue;
-x_109 = l_Lean_mkApp4(x_107, x_103, x_105, x_106, x_108);
-x_110 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_21, x_101, x_2, x_3, x_4, x_5, x_104);
-lean_dec(x_21);
-if (lean_obj_tag(x_110) == 0)
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_113 = x_110;
-} else {
- lean_dec_ref(x_110);
- x_113 = lean_box(0);
-}
-lean_ctor_set(x_9, 1, x_109);
-lean_ctor_set(x_9, 0, x_111);
-x_114 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_114, 0, x_9);
-if (lean_is_scalar(x_113)) {
- x_115 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_115 = x_113;
-}
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_112);
-return x_115;
-}
-else
-{
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-lean_dec(x_109);
-lean_free_object(x_9);
-x_116 = lean_ctor_get(x_110, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_110, 1);
-lean_inc(x_117);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_118 = x_110;
-} else {
- lean_dec_ref(x_110);
- x_118 = lean_box(0);
-}
-if (lean_is_scalar(x_118)) {
- x_119 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_119 = x_118;
-}
-lean_ctor_set(x_119, 0, x_116);
-lean_ctor_set(x_119, 1, x_117);
-return x_119;
-}
-}
-else
-{
-lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-lean_dec(x_101);
-lean_dec(x_94);
-lean_free_object(x_9);
-lean_dec(x_21);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_120 = lean_ctor_get(x_102, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_102, 1);
-lean_inc(x_121);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_122 = x_102;
-} else {
- lean_dec_ref(x_102);
- x_122 = lean_box(0);
-}
-if (lean_is_scalar(x_122)) {
- x_123 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_123 = x_122;
-}
-lean_ctor_set(x_123, 0, x_120);
-lean_ctor_set(x_123, 1, x_121);
-return x_123;
-}
-}
 }
 else
 {
@@ -5176,10 +5380,10 @@ if (lean_is_exclusive(x_124)) {
  x_127 = lean_box(0);
 }
 x_128 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_94);
-x_129 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_129 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
 x_130 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_131 = l_Lean_mkApp3(x_129, x_125, x_128, x_130);
-x_132 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_132 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 lean_ctor_set(x_9, 1, x_131);
 lean_ctor_set(x_9, 0, x_132);
 x_133 = lean_alloc_ctor(1, 1, 0);
@@ -5244,10 +5448,10 @@ if (lean_is_exclusive(x_139)) {
  x_142 = lean_box(0);
 }
 x_143 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_94);
-x_144 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
+x_144 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 x_145 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_146 = l_Lean_mkApp3(x_144, x_140, x_143, x_145);
-x_147 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
+x_147 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 lean_ctor_set(x_9, 1, x_146);
 lean_ctor_set(x_9, 0, x_147);
 x_148 = lean_alloc_ctor(1, 1, 0);
@@ -5316,11 +5520,131 @@ x_160 = l_Nat_Linear_PolyCnstr_isValid(x_158);
 if (x_160 == 0)
 {
 uint8_t x_161; 
-x_161 = l_Nat_Linear_PolyCnstr_hasFewerMonomials(x_158, x_157);
+x_161 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(x_157, x_158);
 lean_dec(x_157);
 if (x_161 == 0)
 {
-lean_object* x_162; 
+lean_object* x_162; lean_object* x_163; 
+lean_free_object(x_8);
+x_162 = l_Nat_Linear_PolyCnstr_toExpr(x_158);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_154);
+x_163 = l_Lean_Meta_Linear_Nat_toContextExpr(x_154, x_2, x_3, x_4, x_5, x_18);
+if (lean_obj_tag(x_163) == 0)
+{
+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; 
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_163, 1);
+lean_inc(x_165);
+lean_dec(x_163);
+x_166 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_155);
+lean_inc(x_162);
+x_167 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_162);
+x_168 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3;
+x_169 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_170 = l_Lean_mkApp4(x_168, x_164, x_166, x_167, x_169);
+x_171 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_154, x_162, x_2, x_3, x_4, x_5, x_165);
+lean_dec(x_154);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_ctor_get(x_171, 1);
+lean_inc(x_173);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_174 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_174 = lean_box(0);
+}
+x_175 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_175, 0, x_172);
+lean_ctor_set(x_175, 1, x_170);
+if (lean_is_scalar(x_156)) {
+ x_176 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_176 = x_156;
+}
+lean_ctor_set(x_176, 0, x_175);
+if (lean_is_scalar(x_174)) {
+ x_177 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_177 = x_174;
+}
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_173);
+return x_177;
+}
+else
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+lean_dec(x_170);
+lean_dec(x_156);
+x_178 = lean_ctor_get(x_171, 0);
+lean_inc(x_178);
+x_179 = lean_ctor_get(x_171, 1);
+lean_inc(x_179);
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_180 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_180 = lean_box(0);
+}
+if (lean_is_scalar(x_180)) {
+ x_181 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_181 = x_180;
+}
+lean_ctor_set(x_181, 0, x_178);
+lean_ctor_set(x_181, 1, x_179);
+return x_181;
+}
+}
+else
+{
+lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
+lean_dec(x_162);
+lean_dec(x_156);
+lean_dec(x_155);
+lean_dec(x_154);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_182 = lean_ctor_get(x_163, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_163, 1);
+lean_inc(x_183);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_184 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_184 = lean_box(0);
+}
+if (lean_is_scalar(x_184)) {
+ x_185 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_185 = x_184;
+}
+lean_ctor_set(x_185, 0, x_182);
+lean_ctor_set(x_185, 1, x_183);
+return x_185;
+}
+}
+else
+{
+lean_object* x_186; 
 lean_dec(x_158);
 lean_dec(x_156);
 lean_dec(x_155);
@@ -5329,130 +5653,10 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_162 = lean_box(0);
-lean_ctor_set(x_8, 0, x_162);
+x_186 = lean_box(0);
+lean_ctor_set(x_8, 0, x_186);
 return x_8;
 }
-else
-{
-lean_object* x_163; lean_object* x_164; 
-lean_free_object(x_8);
-x_163 = l_Nat_Linear_PolyCnstr_toExpr(x_158);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_154);
-x_164 = l_Lean_Meta_Linear_Nat_toContextExpr(x_154, x_2, x_3, x_4, x_5, x_18);
-if (lean_obj_tag(x_164) == 0)
-{
-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; 
-x_165 = lean_ctor_get(x_164, 0);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_164, 1);
-lean_inc(x_166);
-lean_dec(x_164);
-x_167 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_155);
-lean_inc(x_163);
-x_168 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_163);
-x_169 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
-x_170 = l_Lean_Meta_Linear_Nat_reflTrue;
-x_171 = l_Lean_mkApp4(x_169, x_165, x_167, x_168, x_170);
-x_172 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_154, x_163, x_2, x_3, x_4, x_5, x_166);
-lean_dec(x_154);
-if (lean_obj_tag(x_172) == 0)
-{
-lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
-x_173 = lean_ctor_get(x_172, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_172, 1);
-lean_inc(x_174);
-if (lean_is_exclusive(x_172)) {
- lean_ctor_release(x_172, 0);
- lean_ctor_release(x_172, 1);
- x_175 = x_172;
-} else {
- lean_dec_ref(x_172);
- x_175 = lean_box(0);
-}
-x_176 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_176, 0, x_173);
-lean_ctor_set(x_176, 1, x_171);
-if (lean_is_scalar(x_156)) {
- x_177 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_177 = x_156;
-}
-lean_ctor_set(x_177, 0, x_176);
-if (lean_is_scalar(x_175)) {
- x_178 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_178 = x_175;
-}
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_174);
-return x_178;
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-lean_dec(x_171);
-lean_dec(x_156);
-x_179 = lean_ctor_get(x_172, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_172, 1);
-lean_inc(x_180);
-if (lean_is_exclusive(x_172)) {
- lean_ctor_release(x_172, 0);
- lean_ctor_release(x_172, 1);
- x_181 = x_172;
-} else {
- lean_dec_ref(x_172);
- x_181 = lean_box(0);
-}
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_182 = x_181;
-}
-lean_ctor_set(x_182, 0, x_179);
-lean_ctor_set(x_182, 1, x_180);
-return x_182;
-}
-}
-else
-{
-lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
-lean_dec(x_163);
-lean_dec(x_156);
-lean_dec(x_155);
-lean_dec(x_154);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_183 = lean_ctor_get(x_164, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_164, 1);
-lean_inc(x_184);
-if (lean_is_exclusive(x_164)) {
- lean_ctor_release(x_164, 0);
- lean_ctor_release(x_164, 1);
- x_185 = x_164;
-} else {
- lean_dec_ref(x_164);
- x_185 = lean_box(0);
-}
-if (lean_is_scalar(x_185)) {
- x_186 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_186 = x_185;
-}
-lean_ctor_set(x_186, 0, x_183);
-lean_ctor_set(x_186, 1, x_184);
-return x_186;
-}
-}
 }
 else
 {
@@ -5477,10 +5681,10 @@ if (lean_is_exclusive(x_187)) {
  x_190 = lean_box(0);
 }
 x_191 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_155);
-x_192 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_192 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
 x_193 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_194 = l_Lean_mkApp3(x_192, x_188, x_191, x_193);
-x_195 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_195 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 x_196 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_196, 0, x_195);
 lean_ctor_set(x_196, 1, x_194);
@@ -5550,10 +5754,10 @@ if (lean_is_exclusive(x_203)) {
  x_206 = lean_box(0);
 }
 x_207 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_155);
-x_208 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
+x_208 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 x_209 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_210 = l_Lean_mkApp3(x_208, x_204, x_207, x_209);
-x_211 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
+x_211 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 x_212 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_212, 0, x_211);
 lean_ctor_set(x_212, 1, x_210);
@@ -5637,11 +5841,136 @@ x_227 = l_Nat_Linear_PolyCnstr_isValid(x_225);
 if (x_227 == 0)
 {
 uint8_t x_228; 
-x_228 = l_Nat_Linear_PolyCnstr_hasFewerMonomials(x_225, x_224);
+x_228 = l___private_Init_Data_Nat_Linear_0__Nat_Linear_beqPolyCnstr____x40_Init_Data_Nat_Linear___hyg_1266_(x_224, x_225);
 lean_dec(x_224);
 if (x_228 == 0)
 {
 lean_object* x_229; lean_object* x_230; 
+x_229 = l_Nat_Linear_PolyCnstr_toExpr(x_225);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_220);
+x_230 = l_Lean_Meta_Linear_Nat_toContextExpr(x_220, x_2, x_3, x_4, x_5, x_219);
+if (lean_obj_tag(x_230) == 0)
+{
+lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; 
+x_231 = lean_ctor_get(x_230, 0);
+lean_inc(x_231);
+x_232 = lean_ctor_get(x_230, 1);
+lean_inc(x_232);
+lean_dec(x_230);
+x_233 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_222);
+lean_inc(x_229);
+x_234 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_229);
+x_235 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3;
+x_236 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_237 = l_Lean_mkApp4(x_235, x_231, x_233, x_234, x_236);
+x_238 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_220, x_229, x_2, x_3, x_4, x_5, x_232);
+lean_dec(x_220);
+if (lean_obj_tag(x_238) == 0)
+{
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; 
+x_239 = lean_ctor_get(x_238, 0);
+lean_inc(x_239);
+x_240 = lean_ctor_get(x_238, 1);
+lean_inc(x_240);
+if (lean_is_exclusive(x_238)) {
+ lean_ctor_release(x_238, 0);
+ lean_ctor_release(x_238, 1);
+ x_241 = x_238;
+} else {
+ lean_dec_ref(x_238);
+ x_241 = lean_box(0);
+}
+if (lean_is_scalar(x_221)) {
+ x_242 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_242 = x_221;
+}
+lean_ctor_set(x_242, 0, x_239);
+lean_ctor_set(x_242, 1, x_237);
+if (lean_is_scalar(x_223)) {
+ x_243 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_243 = x_223;
+}
+lean_ctor_set(x_243, 0, x_242);
+if (lean_is_scalar(x_241)) {
+ x_244 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_244 = x_241;
+}
+lean_ctor_set(x_244, 0, x_243);
+lean_ctor_set(x_244, 1, x_240);
+return x_244;
+}
+else
+{
+lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
+lean_dec(x_237);
+lean_dec(x_223);
+lean_dec(x_221);
+x_245 = lean_ctor_get(x_238, 0);
+lean_inc(x_245);
+x_246 = lean_ctor_get(x_238, 1);
+lean_inc(x_246);
+if (lean_is_exclusive(x_238)) {
+ lean_ctor_release(x_238, 0);
+ lean_ctor_release(x_238, 1);
+ x_247 = x_238;
+} else {
+ lean_dec_ref(x_238);
+ x_247 = lean_box(0);
+}
+if (lean_is_scalar(x_247)) {
+ x_248 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_248 = x_247;
+}
+lean_ctor_set(x_248, 0, x_245);
+lean_ctor_set(x_248, 1, x_246);
+return x_248;
+}
+}
+else
+{
+lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; 
+lean_dec(x_229);
+lean_dec(x_223);
+lean_dec(x_222);
+lean_dec(x_221);
+lean_dec(x_220);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_249 = lean_ctor_get(x_230, 0);
+lean_inc(x_249);
+x_250 = lean_ctor_get(x_230, 1);
+lean_inc(x_250);
+if (lean_is_exclusive(x_230)) {
+ lean_ctor_release(x_230, 0);
+ lean_ctor_release(x_230, 1);
+ x_251 = x_230;
+} else {
+ lean_dec_ref(x_230);
+ x_251 = lean_box(0);
+}
+if (lean_is_scalar(x_251)) {
+ x_252 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_252 = x_251;
+}
+lean_ctor_set(x_252, 0, x_249);
+lean_ctor_set(x_252, 1, x_250);
+return x_252;
+}
+}
+else
+{
+lean_object* x_253; lean_object* x_254; 
 lean_dec(x_225);
 lean_dec(x_223);
 lean_dec(x_222);
@@ -5651,138 +5980,13 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_229 = lean_box(0);
-x_230 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_230, 0, x_229);
-lean_ctor_set(x_230, 1, x_219);
-return x_230;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; 
-x_231 = l_Nat_Linear_PolyCnstr_toExpr(x_225);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_220);
-x_232 = l_Lean_Meta_Linear_Nat_toContextExpr(x_220, x_2, x_3, x_4, x_5, x_219);
-if (lean_obj_tag(x_232) == 0)
-{
-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; 
-x_233 = lean_ctor_get(x_232, 0);
-lean_inc(x_233);
-x_234 = lean_ctor_get(x_232, 1);
-lean_inc(x_234);
-lean_dec(x_232);
-x_235 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_222);
-lean_inc(x_231);
-x_236 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_231);
-x_237 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
-x_238 = l_Lean_Meta_Linear_Nat_reflTrue;
-x_239 = l_Lean_mkApp4(x_237, x_233, x_235, x_236, x_238);
-x_240 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith(x_220, x_231, x_2, x_3, x_4, x_5, x_234);
-lean_dec(x_220);
-if (lean_obj_tag(x_240) == 0)
-{
-lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; 
-x_241 = lean_ctor_get(x_240, 0);
-lean_inc(x_241);
-x_242 = lean_ctor_get(x_240, 1);
-lean_inc(x_242);
-if (lean_is_exclusive(x_240)) {
- lean_ctor_release(x_240, 0);
- lean_ctor_release(x_240, 1);
- x_243 = x_240;
-} else {
- lean_dec_ref(x_240);
- x_243 = lean_box(0);
-}
-if (lean_is_scalar(x_221)) {
- x_244 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_244 = x_221;
-}
-lean_ctor_set(x_244, 0, x_241);
-lean_ctor_set(x_244, 1, x_239);
-if (lean_is_scalar(x_223)) {
- x_245 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_245 = x_223;
-}
-lean_ctor_set(x_245, 0, x_244);
-if (lean_is_scalar(x_243)) {
- x_246 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_246 = x_243;
-}
-lean_ctor_set(x_246, 0, x_245);
-lean_ctor_set(x_246, 1, x_242);
-return x_246;
-}
-else
-{
-lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; 
-lean_dec(x_239);
-lean_dec(x_223);
-lean_dec(x_221);
-x_247 = lean_ctor_get(x_240, 0);
-lean_inc(x_247);
-x_248 = lean_ctor_get(x_240, 1);
-lean_inc(x_248);
-if (lean_is_exclusive(x_240)) {
- lean_ctor_release(x_240, 0);
- lean_ctor_release(x_240, 1);
- x_249 = x_240;
-} else {
- lean_dec_ref(x_240);
- x_249 = lean_box(0);
-}
-if (lean_is_scalar(x_249)) {
- x_250 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_250 = x_249;
-}
-lean_ctor_set(x_250, 0, x_247);
-lean_ctor_set(x_250, 1, x_248);
-return x_250;
-}
-}
-else
-{
-lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; 
-lean_dec(x_231);
-lean_dec(x_223);
-lean_dec(x_222);
-lean_dec(x_221);
-lean_dec(x_220);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_251 = lean_ctor_get(x_232, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_232, 1);
-lean_inc(x_252);
-if (lean_is_exclusive(x_232)) {
- lean_ctor_release(x_232, 0);
- lean_ctor_release(x_232, 1);
- x_253 = x_232;
-} else {
- lean_dec_ref(x_232);
- x_253 = lean_box(0);
-}
-if (lean_is_scalar(x_253)) {
- x_254 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_254 = x_253;
-}
-lean_ctor_set(x_254, 0, x_251);
-lean_ctor_set(x_254, 1, x_252);
+x_253 = lean_box(0);
+x_254 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_254, 0, x_253);
+lean_ctor_set(x_254, 1, x_219);
 return x_254;
 }
 }
-}
 else
 {
 lean_object* x_255; 
@@ -5805,10 +6009,10 @@ if (lean_is_exclusive(x_255)) {
  x_258 = lean_box(0);
 }
 x_259 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_222);
-x_260 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_260 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6;
 x_261 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_262 = l_Lean_mkApp3(x_260, x_256, x_259, x_261);
-x_263 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_263 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9;
 if (lean_is_scalar(x_221)) {
  x_264 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -5882,10 +6086,10 @@ if (lean_is_exclusive(x_271)) {
  x_274 = lean_box(0);
 }
 x_275 = l_Lean_Meta_Linear_Nat_LinearCnstr_toExpr(x_222);
-x_276 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12;
+x_276 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12;
 x_277 = l_Lean_Meta_Linear_Nat_reflTrue;
 x_278 = l_Lean_mkApp3(x_276, x_272, x_275, x_277);
-x_279 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15;
+x_279 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15;
 if (lean_is_scalar(x_221)) {
  x_280 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -5967,6 +6171,1387 @@ return x_290;
 }
 }
 }
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("trans");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__17;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_reflTrue___closed__3;
+x_3 = l_Lean_mkConst(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_levelZero;
+x_2 = l_Lean_mkSort(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___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, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+if (lean_obj_tag(x_5) == 0)
+{
+lean_object* x_12; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_1);
+lean_ctor_set(x_12, 1, x_11);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_5, 0);
+lean_inc(x_13);
+lean_dec(x_5);
+lean_inc(x_13);
+x_14 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f(x_13, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+if (lean_obj_tag(x_15) == 0)
+{
+uint8_t x_16; 
+lean_dec(x_13);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_16 = !lean_is_exclusive(x_14);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+x_17 = lean_ctor_get(x_14, 0);
+lean_dec(x_17);
+lean_ctor_set(x_14, 0, x_1);
+return x_14;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; 
+x_18 = lean_ctor_get(x_14, 1);
+lean_inc(x_18);
+lean_dec(x_14);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_1);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_1);
+x_20 = !lean_is_exclusive(x_15);
+if (x_20 == 0)
+{
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_14);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_22 = lean_ctor_get(x_15, 0);
+x_23 = lean_ctor_get(x_14, 0);
+lean_dec(x_23);
+x_24 = !lean_is_exclusive(x_22);
+if (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; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_25 = lean_ctor_get(x_22, 0);
+x_26 = lean_ctor_get(x_22, 1);
+x_27 = lean_box(0);
+x_28 = l_Lean_mkConst(x_4, x_27);
+x_29 = lean_unsigned_to_nat(0u);
+x_30 = l_Lean_Expr_getAppNumArgsAux(x_2, x_29);
+x_31 = lean_unsigned_to_nat(2u);
+x_32 = lean_nat_sub(x_30, x_31);
+x_33 = lean_unsigned_to_nat(1u);
+x_34 = lean_nat_sub(x_32, x_33);
+lean_dec(x_32);
+lean_inc(x_2);
+x_35 = l_Lean_Expr_getRevArg_x21(x_2, x_34);
+x_36 = lean_unsigned_to_nat(3u);
+x_37 = lean_nat_sub(x_30, x_36);
+lean_dec(x_30);
+x_38 = lean_nat_sub(x_37, x_33);
+lean_dec(x_37);
+x_39 = l_Lean_Expr_getRevArg_x21(x_2, x_38);
+x_40 = l_Lean_mkAppB(x_28, x_35, x_39);
+x_41 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3;
+x_42 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4;
+lean_inc(x_25);
+x_43 = l_Lean_mkApp6(x_41, x_42, x_3, x_13, x_25, x_40, x_26);
+lean_ctor_set(x_22, 1, x_43);
+return x_14;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_44 = lean_ctor_get(x_22, 0);
+x_45 = lean_ctor_get(x_22, 1);
+lean_inc(x_45);
+lean_inc(x_44);
+lean_dec(x_22);
+x_46 = lean_box(0);
+x_47 = l_Lean_mkConst(x_4, x_46);
+x_48 = lean_unsigned_to_nat(0u);
+x_49 = l_Lean_Expr_getAppNumArgsAux(x_2, x_48);
+x_50 = lean_unsigned_to_nat(2u);
+x_51 = lean_nat_sub(x_49, x_50);
+x_52 = lean_unsigned_to_nat(1u);
+x_53 = lean_nat_sub(x_51, x_52);
+lean_dec(x_51);
+lean_inc(x_2);
+x_54 = l_Lean_Expr_getRevArg_x21(x_2, x_53);
+x_55 = lean_unsigned_to_nat(3u);
+x_56 = lean_nat_sub(x_49, x_55);
+lean_dec(x_49);
+x_57 = lean_nat_sub(x_56, x_52);
+lean_dec(x_56);
+x_58 = l_Lean_Expr_getRevArg_x21(x_2, x_57);
+x_59 = l_Lean_mkAppB(x_47, x_54, x_58);
+x_60 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3;
+x_61 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4;
+lean_inc(x_44);
+x_62 = l_Lean_mkApp6(x_60, x_61, x_3, x_13, x_44, x_59, x_45);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_44);
+lean_ctor_set(x_63, 1, x_62);
+lean_ctor_set(x_15, 0, x_63);
+return x_14;
+}
+}
+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; 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; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_64 = lean_ctor_get(x_15, 0);
+x_65 = lean_ctor_get(x_14, 1);
+lean_inc(x_65);
+lean_dec(x_14);
+x_66 = lean_ctor_get(x_64, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_64, 1);
+lean_inc(x_67);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_68 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_68 = lean_box(0);
+}
+x_69 = lean_box(0);
+x_70 = l_Lean_mkConst(x_4, x_69);
+x_71 = lean_unsigned_to_nat(0u);
+x_72 = l_Lean_Expr_getAppNumArgsAux(x_2, x_71);
+x_73 = lean_unsigned_to_nat(2u);
+x_74 = lean_nat_sub(x_72, x_73);
+x_75 = lean_unsigned_to_nat(1u);
+x_76 = lean_nat_sub(x_74, x_75);
+lean_dec(x_74);
+lean_inc(x_2);
+x_77 = l_Lean_Expr_getRevArg_x21(x_2, x_76);
+x_78 = lean_unsigned_to_nat(3u);
+x_79 = lean_nat_sub(x_72, x_78);
+lean_dec(x_72);
+x_80 = lean_nat_sub(x_79, x_75);
+lean_dec(x_79);
+x_81 = l_Lean_Expr_getRevArg_x21(x_2, x_80);
+x_82 = l_Lean_mkAppB(x_70, x_77, x_81);
+x_83 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3;
+x_84 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4;
+lean_inc(x_66);
+x_85 = l_Lean_mkApp6(x_83, x_84, x_3, x_13, x_66, x_82, x_67);
+if (lean_is_scalar(x_68)) {
+ x_86 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_86 = x_68;
+}
+lean_ctor_set(x_86, 0, x_66);
+lean_ctor_set(x_86, 1, x_85);
+lean_ctor_set(x_15, 0, x_86);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_15);
+lean_ctor_set(x_87, 1, x_65);
+return x_87;
+}
+}
+else
+{
+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; 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; 
+x_88 = lean_ctor_get(x_15, 0);
+lean_inc(x_88);
+lean_dec(x_15);
+x_89 = lean_ctor_get(x_14, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_14)) {
+ lean_ctor_release(x_14, 0);
+ lean_ctor_release(x_14, 1);
+ x_90 = x_14;
+} else {
+ lean_dec_ref(x_14);
+ x_90 = lean_box(0);
+}
+x_91 = lean_ctor_get(x_88, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_88, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_93 = x_88;
+} else {
+ lean_dec_ref(x_88);
+ x_93 = lean_box(0);
+}
+x_94 = lean_box(0);
+x_95 = l_Lean_mkConst(x_4, x_94);
+x_96 = lean_unsigned_to_nat(0u);
+x_97 = l_Lean_Expr_getAppNumArgsAux(x_2, x_96);
+x_98 = lean_unsigned_to_nat(2u);
+x_99 = lean_nat_sub(x_97, x_98);
+x_100 = lean_unsigned_to_nat(1u);
+x_101 = lean_nat_sub(x_99, x_100);
+lean_dec(x_99);
+lean_inc(x_2);
+x_102 = l_Lean_Expr_getRevArg_x21(x_2, x_101);
+x_103 = lean_unsigned_to_nat(3u);
+x_104 = lean_nat_sub(x_97, x_103);
+lean_dec(x_97);
+x_105 = lean_nat_sub(x_104, x_100);
+lean_dec(x_104);
+x_106 = l_Lean_Expr_getRevArg_x21(x_2, x_105);
+x_107 = l_Lean_mkAppB(x_95, x_102, x_106);
+x_108 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3;
+x_109 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4;
+lean_inc(x_91);
+x_110 = l_Lean_mkApp6(x_108, x_109, x_3, x_13, x_91, x_107, x_92);
+if (lean_is_scalar(x_93)) {
+ x_111 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_111 = x_93;
+}
+lean_ctor_set(x_111, 0, x_91);
+lean_ctor_set(x_111, 1, x_110);
+x_112 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_112, 0, x_111);
+if (lean_is_scalar(x_90)) {
+ x_113 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_113 = x_90;
+}
+lean_ctor_set(x_113, 0, x_112);
+lean_ctor_set(x_113, 1, x_89);
+return x_113;
+}
+}
+}
+else
+{
+uint8_t x_114; 
+lean_dec(x_13);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_114 = !lean_is_exclusive(x_14);
+if (x_114 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_115 = lean_ctor_get(x_14, 0);
+x_116 = lean_ctor_get(x_14, 1);
+lean_inc(x_116);
+lean_inc(x_115);
+lean_dec(x_14);
+x_117 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_117, 0, x_115);
+lean_ctor_set(x_117, 1, x_116);
+return x_117;
+}
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Not");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("not_gt_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("not_lt_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(1u);
+x_2 = l_Lean_mkNatLit(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__8() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("not_ge_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__8;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("not_le_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__2;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f(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; uint8_t x_9; 
+x_7 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2;
+x_8 = lean_unsigned_to_nat(1u);
+x_9 = l_Lean_Expr_isAppOfArity(x_1, x_7, x_8);
+if (x_9 == 0)
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f(x_1, x_2, x_3, x_4, x_5, x_6);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
+x_11 = l_Lean_Expr_appArg_x21(x_1);
+x_12 = lean_box(0);
+x_13 = l_Lean_Meta_Linear_Nat_LinearCnstr_toArith___closed__4;
+x_14 = lean_unsigned_to_nat(4u);
+x_15 = l_Lean_Expr_isAppOfArity(x_11, x_13, x_14);
+if (x_15 == 0)
+{
+lean_object* x_16; uint8_t x_17; 
+x_16 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__9;
+x_17 = l_Lean_Expr_isAppOfArity(x_11, x_16, x_14);
+if (x_17 == 0)
+{
+lean_object* x_18; uint8_t x_19; 
+x_18 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__5;
+x_19 = l_Lean_Expr_isAppOfArity(x_11, x_18, x_14);
+if (x_19 == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+x_20 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__13;
+x_21 = l_Lean_Expr_isAppOfArity(x_11, x_20, x_14);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_box(0);
+x_23 = lean_box(0);
+x_24 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_22, x_12, x_23, x_2, x_3, x_4, x_5, x_6);
+return x_24;
+}
+else
+{
+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_25 = lean_unsigned_to_nat(0u);
+x_26 = l_Lean_Expr_getAppNumArgsAux(x_11, x_25);
+x_27 = lean_unsigned_to_nat(2u);
+x_28 = lean_nat_sub(x_26, x_27);
+x_29 = lean_nat_sub(x_28, x_8);
+lean_dec(x_28);
+lean_inc(x_11);
+x_30 = l_Lean_Expr_getRevArg_x21(x_11, x_29);
+x_31 = lean_unsigned_to_nat(3u);
+x_32 = lean_nat_sub(x_26, x_31);
+lean_dec(x_26);
+x_33 = lean_nat_sub(x_32, x_8);
+lean_dec(x_32);
+lean_inc(x_11);
+x_34 = l_Lean_Expr_getRevArg_x21(x_11, x_33);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_35 = l_Lean_Meta_mkLE(x_30, x_34, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_35) == 0)
+{
+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_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_38, 0, x_36);
+x_39 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__4;
+x_40 = lean_box(0);
+x_41 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_39, x_38, x_40, x_2, x_3, x_4, x_5, x_37);
+return x_41;
+}
+else
+{
+uint8_t x_42; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_35);
+if (x_42 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_35, 0);
+x_44 = lean_ctor_get(x_35, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_35);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
+}
+}
+}
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_46 = lean_unsigned_to_nat(0u);
+x_47 = l_Lean_Expr_getAppNumArgsAux(x_11, x_46);
+x_48 = lean_unsigned_to_nat(3u);
+x_49 = lean_nat_sub(x_47, x_48);
+x_50 = lean_nat_sub(x_49, x_8);
+lean_dec(x_49);
+lean_inc(x_11);
+x_51 = l_Lean_Expr_getRevArg_x21(x_11, x_50);
+x_52 = lean_unsigned_to_nat(2u);
+x_53 = lean_nat_sub(x_47, x_52);
+lean_dec(x_47);
+x_54 = lean_nat_sub(x_53, x_8);
+lean_dec(x_53);
+lean_inc(x_11);
+x_55 = l_Lean_Expr_getRevArg_x21(x_11, x_54);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_56 = l_Lean_Meta_mkLE(x_51, x_55, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_56) == 0)
+{
+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_57 = lean_ctor_get(x_56, 0);
+lean_inc(x_57);
+x_58 = lean_ctor_get(x_56, 1);
+lean_inc(x_58);
+lean_dec(x_56);
+x_59 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_59, 0, x_57);
+x_60 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__6;
+x_61 = lean_box(0);
+x_62 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_60, x_59, x_61, x_2, x_3, x_4, x_5, x_58);
+return x_62;
+}
+else
+{
+uint8_t x_63; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_63 = !lean_is_exclusive(x_56);
+if (x_63 == 0)
+{
+return x_56;
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_64 = lean_ctor_get(x_56, 0);
+x_65 = lean_ctor_get(x_56, 1);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_dec(x_56);
+x_66 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_66, 0, x_64);
+lean_ctor_set(x_66, 1, x_65);
+return x_66;
+}
+}
+}
+}
+else
+{
+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; 
+x_67 = lean_unsigned_to_nat(0u);
+x_68 = l_Lean_Expr_getAppNumArgsAux(x_11, x_67);
+x_69 = lean_unsigned_to_nat(2u);
+x_70 = lean_nat_sub(x_68, x_69);
+x_71 = lean_nat_sub(x_70, x_8);
+lean_dec(x_70);
+lean_inc(x_11);
+x_72 = l_Lean_Expr_getRevArg_x21(x_11, x_71);
+x_73 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__7;
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_74 = l_Lean_Meta_mkAdd(x_72, x_73, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = lean_unsigned_to_nat(3u);
+x_78 = lean_nat_sub(x_68, x_77);
+lean_dec(x_68);
+x_79 = lean_nat_sub(x_78, x_8);
+lean_dec(x_78);
+lean_inc(x_11);
+x_80 = l_Lean_Expr_getRevArg_x21(x_11, x_79);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_81 = l_Lean_Meta_mkLE(x_75, x_80, x_2, x_3, x_4, x_5, x_76);
+if (lean_obj_tag(x_81) == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_81, 1);
+lean_inc(x_83);
+lean_dec(x_81);
+x_84 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_84, 0, x_82);
+x_85 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__9;
+x_86 = lean_box(0);
+x_87 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_85, x_84, x_86, x_2, x_3, x_4, x_5, x_83);
+return x_87;
+}
+else
+{
+uint8_t x_88; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_88 = !lean_is_exclusive(x_81);
+if (x_88 == 0)
+{
+return x_81;
+}
+else
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_89 = lean_ctor_get(x_81, 0);
+x_90 = lean_ctor_get(x_81, 1);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_dec(x_81);
+x_91 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_91, 0, x_89);
+lean_ctor_set(x_91, 1, x_90);
+return x_91;
+}
+}
+}
+else
+{
+uint8_t x_92; 
+lean_dec(x_68);
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_92 = !lean_is_exclusive(x_74);
+if (x_92 == 0)
+{
+return x_74;
+}
+else
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_93 = lean_ctor_get(x_74, 0);
+x_94 = lean_ctor_get(x_74, 1);
+lean_inc(x_94);
+lean_inc(x_93);
+lean_dec(x_74);
+x_95 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_95, 0, x_93);
+lean_ctor_set(x_95, 1, x_94);
+return x_95;
+}
+}
+}
+}
+else
+{
+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; 
+x_96 = lean_unsigned_to_nat(0u);
+x_97 = l_Lean_Expr_getAppNumArgsAux(x_11, x_96);
+x_98 = lean_unsigned_to_nat(3u);
+x_99 = lean_nat_sub(x_97, x_98);
+x_100 = lean_nat_sub(x_99, x_8);
+lean_dec(x_99);
+lean_inc(x_11);
+x_101 = l_Lean_Expr_getRevArg_x21(x_11, x_100);
+x_102 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__7;
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_103 = l_Lean_Meta_mkAdd(x_101, x_102, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_103) == 0)
+{
+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; 
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
+x_106 = lean_unsigned_to_nat(2u);
+x_107 = lean_nat_sub(x_97, x_106);
+lean_dec(x_97);
+x_108 = lean_nat_sub(x_107, x_8);
+lean_dec(x_107);
+lean_inc(x_11);
+x_109 = l_Lean_Expr_getRevArg_x21(x_11, x_108);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_110 = l_Lean_Meta_mkLE(x_104, x_109, x_2, x_3, x_4, x_5, x_105);
+if (lean_obj_tag(x_110) == 0)
+{
+lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_110, 1);
+lean_inc(x_112);
+lean_dec(x_110);
+x_113 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_113, 0, x_111);
+x_114 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11;
+x_115 = lean_box(0);
+x_116 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_114, x_113, x_115, x_2, x_3, x_4, x_5, x_112);
+return x_116;
+}
+else
+{
+uint8_t x_117; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_117 = !lean_is_exclusive(x_110);
+if (x_117 == 0)
+{
+return x_110;
+}
+else
+{
+lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_118 = lean_ctor_get(x_110, 0);
+x_119 = lean_ctor_get(x_110, 1);
+lean_inc(x_119);
+lean_inc(x_118);
+lean_dec(x_110);
+x_120 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_120, 0, x_118);
+lean_ctor_set(x_120, 1, x_119);
+return x_120;
+}
+}
+}
+else
+{
+uint8_t x_121; 
+lean_dec(x_97);
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_121 = !lean_is_exclusive(x_103);
+if (x_121 == 0)
+{
+return x_103;
+}
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_103, 0);
+x_123 = lean_ctor_get(x_103, 1);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_103);
+x_124 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_124, 0, x_122);
+lean_ctor_set(x_124, 1, x_123);
+return x_124;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_6);
+return x_12;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr___closed__6;
+x_2 = l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1;
+x_3 = l_Lean_mkConst(x_2, x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Nat_simpExpr_x3f(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; 
+x_7 = lean_alloc_closure((void*)(l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr___boxed), 7, 1);
+lean_closure_set(x_7, 0, x_1);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_8 = l_Lean_Meta_Linear_Nat_ToLinear_run___rarg(x_7, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_8) == 0)
+{
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_8);
+if (x_9 == 0)
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_ctor_get(x_8, 0);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_12 = lean_ctor_get(x_8, 1);
+x_13 = lean_ctor_get(x_10, 0);
+x_14 = lean_ctor_get(x_10, 1);
+x_15 = l_Nat_Linear_Expr_toPoly(x_13);
+lean_inc(x_15);
+x_16 = l_Nat_Linear_Poly_norm(x_15);
+x_17 = lean_unsigned_to_nat(0u);
+x_18 = l_List_lengthTRAux___rarg(x_16, x_17);
+x_19 = l_List_lengthTRAux___rarg(x_15, x_17);
+lean_dec(x_15);
+x_20 = lean_nat_dec_lt(x_18, x_19);
+lean_dec(x_19);
+lean_dec(x_18);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+lean_dec(x_16);
+lean_free_object(x_10);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_21 = lean_box(0);
+lean_ctor_set(x_8, 0, x_21);
+return x_8;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; 
+lean_free_object(x_8);
+x_22 = l_Nat_Linear_Poly_toExpr(x_16);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_14);
+x_23 = l_Lean_Meta_Linear_Nat_toContextExpr(x_14, x_2, x_3, x_4, x_5, x_12);
+if (lean_obj_tag(x_23) == 0)
+{
+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; 
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+x_26 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_13);
+lean_inc(x_22);
+x_27 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_22);
+x_28 = l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2;
+x_29 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_30 = l_Lean_mkApp4(x_28, x_24, x_26, x_27, x_29);
+x_31 = l_Lean_Meta_Linear_Nat_LinearExpr_toArith(x_14, x_22, x_2, x_3, x_4, x_5, x_25);
+lean_dec(x_14);
+if (lean_obj_tag(x_31) == 0)
+{
+uint8_t x_32; 
+x_32 = !lean_is_exclusive(x_31);
+if (x_32 == 0)
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_31, 0);
+lean_ctor_set(x_10, 1, x_30);
+lean_ctor_set(x_10, 0, x_33);
+x_34 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_34, 0, x_10);
+lean_ctor_set(x_31, 0, x_34);
+return x_31;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_35 = lean_ctor_get(x_31, 0);
+x_36 = lean_ctor_get(x_31, 1);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_31);
+lean_ctor_set(x_10, 1, x_30);
+lean_ctor_set(x_10, 0, x_35);
+x_37 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_37, 0, x_10);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+return x_38;
+}
+}
+else
+{
+uint8_t x_39; 
+lean_dec(x_30);
+lean_free_object(x_10);
+x_39 = !lean_is_exclusive(x_31);
+if (x_39 == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_31, 0);
+x_41 = lean_ctor_get(x_31, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_31);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+else
+{
+uint8_t x_43; 
+lean_dec(x_22);
+lean_free_object(x_10);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_43 = !lean_is_exclusive(x_23);
+if (x_43 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_23, 0);
+x_45 = lean_ctor_get(x_23, 1);
+lean_inc(x_45);
+lean_inc(x_44);
+lean_dec(x_23);
+x_46 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+return x_46;
+}
+}
+}
+}
+else
+{
+lean_object* x_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; uint8_t x_55; 
+x_47 = lean_ctor_get(x_8, 1);
+x_48 = lean_ctor_get(x_10, 0);
+x_49 = lean_ctor_get(x_10, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_10);
+x_50 = l_Nat_Linear_Expr_toPoly(x_48);
+lean_inc(x_50);
+x_51 = l_Nat_Linear_Poly_norm(x_50);
+x_52 = lean_unsigned_to_nat(0u);
+x_53 = l_List_lengthTRAux___rarg(x_51, x_52);
+x_54 = l_List_lengthTRAux___rarg(x_50, x_52);
+lean_dec(x_50);
+x_55 = lean_nat_dec_lt(x_53, x_54);
+lean_dec(x_54);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; 
+lean_dec(x_51);
+lean_dec(x_49);
+lean_dec(x_48);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_56 = lean_box(0);
+lean_ctor_set(x_8, 0, x_56);
+return x_8;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; 
+lean_free_object(x_8);
+x_57 = l_Nat_Linear_Poly_toExpr(x_51);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_49);
+x_58 = l_Lean_Meta_Linear_Nat_toContextExpr(x_49, x_2, x_3, x_4, x_5, x_47);
+if (lean_obj_tag(x_58) == 0)
+{
+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; 
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_48);
+lean_inc(x_57);
+x_62 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_57);
+x_63 = l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2;
+x_64 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_65 = l_Lean_mkApp4(x_63, x_59, x_61, x_62, x_64);
+x_66 = l_Lean_Meta_Linear_Nat_LinearExpr_toArith(x_49, x_57, x_2, x_3, x_4, x_5, x_60);
+lean_dec(x_49);
+if (lean_obj_tag(x_66) == 0)
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_67 = lean_ctor_get(x_66, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_66, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_66)) {
+ lean_ctor_release(x_66, 0);
+ lean_ctor_release(x_66, 1);
+ x_69 = x_66;
+} else {
+ lean_dec_ref(x_66);
+ x_69 = lean_box(0);
+}
+x_70 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_70, 0, x_67);
+lean_ctor_set(x_70, 1, x_65);
+x_71 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_71, 0, x_70);
+if (lean_is_scalar(x_69)) {
+ x_72 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_72 = x_69;
+}
+lean_ctor_set(x_72, 0, x_71);
+lean_ctor_set(x_72, 1, x_68);
+return x_72;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+lean_dec(x_65);
+x_73 = lean_ctor_get(x_66, 0);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_66, 1);
+lean_inc(x_74);
+if (lean_is_exclusive(x_66)) {
+ lean_ctor_release(x_66, 0);
+ lean_ctor_release(x_66, 1);
+ x_75 = x_66;
+} else {
+ lean_dec_ref(x_66);
+ x_75 = lean_box(0);
+}
+if (lean_is_scalar(x_75)) {
+ x_76 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_76 = x_75;
+}
+lean_ctor_set(x_76, 0, x_73);
+lean_ctor_set(x_76, 1, x_74);
+return x_76;
+}
+}
+else
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
+lean_dec(x_57);
+lean_dec(x_49);
+lean_dec(x_48);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_77 = lean_ctor_get(x_58, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_58, 1);
+lean_inc(x_78);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_79 = x_58;
+} else {
+ lean_dec_ref(x_58);
+ x_79 = lean_box(0);
+}
+if (lean_is_scalar(x_79)) {
+ x_80 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_80 = x_79;
+}
+lean_ctor_set(x_80, 0, x_77);
+lean_ctor_set(x_80, 1, x_78);
+return x_80;
+}
+}
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
+x_81 = lean_ctor_get(x_8, 0);
+x_82 = lean_ctor_get(x_8, 1);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_8);
+x_83 = lean_ctor_get(x_81, 0);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_81, 1);
+lean_inc(x_84);
+if (lean_is_exclusive(x_81)) {
+ lean_ctor_release(x_81, 0);
+ lean_ctor_release(x_81, 1);
+ x_85 = x_81;
+} else {
+ lean_dec_ref(x_81);
+ x_85 = lean_box(0);
+}
+x_86 = l_Nat_Linear_Expr_toPoly(x_83);
+lean_inc(x_86);
+x_87 = l_Nat_Linear_Poly_norm(x_86);
+x_88 = lean_unsigned_to_nat(0u);
+x_89 = l_List_lengthTRAux___rarg(x_87, x_88);
+x_90 = l_List_lengthTRAux___rarg(x_86, x_88);
+lean_dec(x_86);
+x_91 = lean_nat_dec_lt(x_89, x_90);
+lean_dec(x_90);
+lean_dec(x_89);
+if (x_91 == 0)
+{
+lean_object* x_92; lean_object* x_93; 
+lean_dec(x_87);
+lean_dec(x_85);
+lean_dec(x_84);
+lean_dec(x_83);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_92 = lean_box(0);
+x_93 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_93, 0, x_92);
+lean_ctor_set(x_93, 1, x_82);
+return x_93;
+}
+else
+{
+lean_object* x_94; lean_object* x_95; 
+x_94 = l_Nat_Linear_Poly_toExpr(x_87);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_84);
+x_95 = l_Lean_Meta_Linear_Nat_toContextExpr(x_84, x_2, x_3, x_4, x_5, x_82);
+if (lean_obj_tag(x_95) == 0)
+{
+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; 
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_83);
+lean_inc(x_94);
+x_99 = l_Lean_Meta_Linear_Nat_LinearExpr_toExpr(x_94);
+x_100 = l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2;
+x_101 = l_Lean_Meta_Linear_Nat_reflTrue;
+x_102 = l_Lean_mkApp4(x_100, x_96, x_98, x_99, x_101);
+x_103 = l_Lean_Meta_Linear_Nat_LinearExpr_toArith(x_84, x_94, x_2, x_3, x_4, x_5, x_97);
+lean_dec(x_84);
+if (lean_obj_tag(x_103) == 0)
+{
+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_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_106 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_106 = lean_box(0);
+}
+if (lean_is_scalar(x_85)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_107 = x_85;
+}
+lean_ctor_set(x_107, 0, x_104);
+lean_ctor_set(x_107, 1, x_102);
+x_108 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_108, 0, x_107);
+if (lean_is_scalar(x_106)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_109 = x_106;
+}
+lean_ctor_set(x_109, 0, x_108);
+lean_ctor_set(x_109, 1, x_105);
+return x_109;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+lean_dec(x_102);
+lean_dec(x_85);
+x_110 = lean_ctor_get(x_103, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_103, 1);
+lean_inc(x_111);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_112 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_112 = lean_box(0);
+}
+if (lean_is_scalar(x_112)) {
+ x_113 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_113 = x_112;
+}
+lean_ctor_set(x_113, 0, x_110);
+lean_ctor_set(x_113, 1, x_111);
+return x_113;
+}
+}
+else
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+lean_dec(x_94);
+lean_dec(x_85);
+lean_dec(x_84);
+lean_dec(x_83);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_114 = lean_ctor_get(x_95, 0);
+lean_inc(x_114);
+x_115 = lean_ctor_get(x_95, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ x_116 = x_95;
+} else {
+ lean_dec_ref(x_95);
+ x_116 = lean_box(0);
+}
+if (lean_is_scalar(x_116)) {
+ x_117 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_117 = x_116;
+}
+lean_ctor_set(x_117, 0, x_114);
+lean_ctor_set(x_117, 1, x_115);
+return x_117;
+}
+}
+}
+}
+else
+{
+uint8_t x_118; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_118 = !lean_is_exclusive(x_8);
+if (x_118 == 0)
+{
+return x_8;
+}
+else
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_119 = lean_ctor_get(x_8, 0);
+x_120 = lean_ctor_get(x_8, 1);
+lean_inc(x_120);
+lean_inc(x_119);
+lean_dec(x_8);
+x_121 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_121, 0, x_119);
+lean_ctor_set(x_121, 1, x_120);
+return x_121;
+}
+}
+}
+}
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Check(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Offset(uint8_t builtin, lean_object*);
@@ -6192,6 +7777,44 @@ l_Lean_Meta_Linear_Nat_reflTrue___closed__6 = _init_l_Lean_Meta_Linear_Nat_reflT
 lean_mark_persistent(l_Lean_Meta_Linear_Nat_reflTrue___closed__6);
 l_Lean_Meta_Linear_Nat_reflTrue = _init_l_Lean_Meta_Linear_Nat_reflTrue();
 lean_mark_persistent(l_Lean_Meta_Linear_Nat_reflTrue);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__1);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__2);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__3);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__4);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__5);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__6);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__7);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__8);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__9);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__10);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__11);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__12);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__13);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__14);
+l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15 = _init_l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstrPos_x3f___closed__15);
+l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__1);
+l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__2);
+l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__3);
+l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1___closed__4);
 l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1();
 lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__1);
 l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__2();
@@ -6214,14 +7837,10 @@ l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10 = _init_l_Lean_Meta_Linear_Nat
 lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__10);
 l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11();
 lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__11);
-l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12();
-lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__12);
-l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13();
-lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__13);
-l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14();
-lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__14);
-l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15 = _init_l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15();
-lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__15);
+l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1 = _init_l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__1);
+l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2 = _init_l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2();
+lean_mark_persistent(l_Lean_Meta_Linear_Nat_simpExpr_x3f___closed__2);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Simp.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Simp.c
new file mode 100644
index 0000000000..6d728528e4
--- /dev/null
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Simp.c
@@ -0,0 +1,999 @@
+// Lean compiler output
+// Module: Lean.Meta.Tactic.LinearArith.Simp
+// Imports: Init Lean.Meta.Tactic.LinearArith.Nat
+#include <lean/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
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__11;
+lean_object* l_Lean_stringToMessageData(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__12;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__5;
+lean_object* lean_name_mk_string(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__17;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__8;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__6;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__11;
+lean_object* lean_st_ref_get(lean_object*, lean_object*);
+uint8_t lean_name_eq(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__20;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__9;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__8;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___boxed(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__1;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__4;
+lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__1;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__10;
+lean_object* l_Lean_Meta_Linear_Nat_simpExpr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__4;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__9;
+uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_Linear_Nat_simpCnstr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__10;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__13;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__1;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___boxed(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__15;
+lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__12;
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_simp_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__14;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__5;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__18;
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__5;
+uint8_t l_Lean_Expr_isConst(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__16;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_parentIsTarget___boxed(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__14;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__13;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__6;
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_simp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__7;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__16;
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_simp_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_parentIsTarget(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__10;
+lean_object* l_Lean_Expr_getAppFn(lean_object*);
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__4;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__7;
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__9;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__15;
+lean_object* l_Lean_Expr_constName_x21(lean_object*);
+static lean_object* l_Lean_Meta_Linear_simp_x3f___closed__8;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__19;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__6;
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("HAdd");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("hAdd");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__4() {
+_start:
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+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__11() {
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+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__15() {
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+}
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+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget___closed__16() {
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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__15() {
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+}
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+}
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+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__17() {
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+}
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+x_3 = lean_name_mk_string(x_1, x_2);
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+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__19() {
+_start:
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+}
+}
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__20() {
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+}
+}
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+}
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+}
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+}
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+}
+}
+}
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+}
+}
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+lean_dec(x_5);
+lean_dec(x_1);
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+}
+}
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+lean_dec(x_5);
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+}
+}
+else
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+lean_dec(x_5);
+lean_dec(x_1);
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+}
+}
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+lean_dec(x_5);
+lean_dec(x_1);
+x_30 = 1;
+return x_30;
+}
+}
+}
+}
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+_start:
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+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_parentIsTarget(lean_object* x_1) {
+_start:
+{
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+{
+uint8_t x_2; 
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+}
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+if (x_4 == 0)
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+x_5 = l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget(x_3);
+return x_5;
+}
+else
+{
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+lean_dec(x_3);
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+return x_6;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_parentIsTarget___boxed(lean_object* x_1) {
+_start:
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+x_3 = lean_box(x_2);
+return x_3;
+}
+}
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+_start:
+{
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+x_8 = l_Lean_Meta_Linear_Nat_simpExpr_x3f(x_1, x_3, x_4, x_5, x_6, x_7);
+return x_8;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Meta");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_Linear_simp_x3f___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Tactic");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_simp_x3f___closed__2;
+x_2 = l_Lean_Meta_Linear_simp_x3f___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("simp");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Linear_simp_x3f___closed__4;
+x_2 = l_Lean_Meta_Linear_simp_x3f___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("arith expr: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_Linear_simp_x3f___closed__7;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Linear_simp_x3f___closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_Linear_simp_x3f___closed__9;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_simp_x3f(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:
+{
+uint8_t x_8; 
+lean_inc(x_1);
+x_8 = l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget(x_1);
+if (x_8 == 0)
+{
+uint8_t x_9; 
+x_9 = l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpExprTarget(x_1);
+if (x_9 == 0)
+{
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+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(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_7);
+return x_11;
+}
+else
+{
+uint8_t x_12; 
+x_12 = l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_parentIsTarget(x_2);
+if (x_12 == 0)
+{
+lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_13 = l_Lean_Meta_Linear_simp_x3f___closed__6;
+x_26 = lean_st_ref_get(x_6, x_7);
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_27, 3);
+lean_inc(x_28);
+lean_dec(x_27);
+x_29 = lean_ctor_get_uint8(x_28, sizeof(void*)*1);
+lean_dec(x_28);
+if (x_29 == 0)
+{
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+lean_inc(x_30);
+lean_dec(x_26);
+x_31 = 0;
+x_14 = x_31;
+x_15 = x_30;
+goto block_25;
+}
+else
+{
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+x_32 = lean_ctor_get(x_26, 1);
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+x_14 = x_36;
+x_15 = x_35;
+goto block_25;
+}
+block_25:
+{
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+{
+lean_object* x_16; 
+x_16 = l_Lean_Meta_Linear_Nat_simpExpr_x3f(x_1, x_3, x_4, x_5, x_6, x_15);
+return x_16;
+}
+else
+{
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+}
+}
+}
+else
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+lean_dec(x_6);
+lean_dec(x_5);
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+return x_38;
+}
+}
+}
+else
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+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Linear_simp_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
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+lean_dec(x_2);
+return x_8;
+}
+}
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+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Nat(uint8_t builtin, lean_object*);
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+lean_mark_persistent(l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__19);
+l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__20 = _init_l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__20();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_LinearArith_Simp_0__Lean_Meta_Linear_isSimpCnstrTarget___closed__20);
+l_Lean_Meta_Linear_simp_x3f___closed__1 = _init_l_Lean_Meta_Linear_simp_x3f___closed__1();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__1);
+l_Lean_Meta_Linear_simp_x3f___closed__2 = _init_l_Lean_Meta_Linear_simp_x3f___closed__2();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__2);
+l_Lean_Meta_Linear_simp_x3f___closed__3 = _init_l_Lean_Meta_Linear_simp_x3f___closed__3();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__3);
+l_Lean_Meta_Linear_simp_x3f___closed__4 = _init_l_Lean_Meta_Linear_simp_x3f___closed__4();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__4);
+l_Lean_Meta_Linear_simp_x3f___closed__5 = _init_l_Lean_Meta_Linear_simp_x3f___closed__5();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__5);
+l_Lean_Meta_Linear_simp_x3f___closed__6 = _init_l_Lean_Meta_Linear_simp_x3f___closed__6();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__6);
+l_Lean_Meta_Linear_simp_x3f___closed__7 = _init_l_Lean_Meta_Linear_simp_x3f___closed__7();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__7);
+l_Lean_Meta_Linear_simp_x3f___closed__8 = _init_l_Lean_Meta_Linear_simp_x3f___closed__8();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__8);
+l_Lean_Meta_Linear_simp_x3f___closed__9 = _init_l_Lean_Meta_Linear_simp_x3f___closed__9();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__9);
+l_Lean_Meta_Linear_simp_x3f___closed__10 = _init_l_Lean_Meta_Linear_simp_x3f___closed__10();
+lean_mark_persistent(l_Lean_Meta_Linear_simp_x3f___closed__10);
+return lean_io_result_mk_ok(lean_box(0));
+}
+#ifdef __cplusplus
+}
+#endif
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Basic.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Solver.c
similarity index 60%
rename from stage0/stdlib/Lean/Meta/Tactic/LinearArith/Basic.c
rename to stage0/stdlib/Lean/Meta/Tactic/LinearArith/Solver.c
index 74aa51c590..04dfab7208 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Basic.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Solver.c
@@ -1,5 +1,5 @@
 // Lean compiler output
-// Module: Lean.Meta.Tactic.LinearArith.Basic
+// Module: Lean.Meta.Tactic.LinearArith.Solver
 // Imports: Init Lean.Data.Rat
 #include <lean/lean.h>
 #if defined(__clang__)
@@ -14,138 +14,137 @@
 extern "C" {
 #endif
 lean_object* l_List_reverse___rarg(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__6;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__6;
 static lean_object* l_Lean_Meta_Linear_instInhabitedCnstr___closed__1;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__9;
 size_t lean_usize_add(size_t, size_t);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283_(uint8_t, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__2(lean_object*, lean_object*);
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__10;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__6;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__22;
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2376_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_get___boxed(lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__9;
-LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__2(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__5;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3706____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_AssumptionId_id___default;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__18;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_CnstrKind_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Rat_ceil(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_getMaxVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_State_getBestLowerBound_x3f(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2376____boxed(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__22;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__5;
 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instDecidableLtVarInstLTVar(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3471____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__17;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Poly_eval_x3f___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instInhabitedJustification;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_State_assignCurr(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_CnstrKind_noConfusion___rarg___closed__1;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__14;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__15;
 lean_object* l_Lean_Rat_floor(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__7;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_CnstrKind_ofNat___boxed(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027_(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148_(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__9;
 static lean_object* l_Lean_Meta_Linear_instReprCnstr___closed__1;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____boxed(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_ordVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_23____boxed(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3706_(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instOrdVar;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__14;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__5;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__4;
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__5;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__4;
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__3;
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 static lean_object* l_Lean_Meta_Linear_instBEqCnstrKind___closed__1;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__2;
 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instDecidableEqVar(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_instReprJustification___closed__1;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_72____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_CnstrKind_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__15;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__3;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__18;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_eval_x3f___lambda__1(lean_object*, lean_object*);
 lean_object* l_Std_Format_joinSep___at_instReprProd___spec__1(lean_object*, lean_object*);
 lean_object* l_Array_shrink___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instReprCnstr;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Poly_eval_x3f___closed__1;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341_(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__11;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__1;
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_Linear_Cnstr_getBound___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_getBestBound_x3f(lean_object*, lean_object*, uint8_t, uint8_t);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Assignment_size(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Assignment_push(lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
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-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__23;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__12;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2452_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instDecidableEqVar___boxed(lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_State_currVar___boxed(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Cnstr_isUnsat(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instDecidableLtVarInstLTVar___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__24;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_getMaxVarCoeff(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instDecidableEqPoly(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_scale(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Assignment_get_x3f(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__16;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807_(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2452_(lean_object*, lean_object*);
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__20;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_CnstrKind_toCtorIdx(uint8_t);
 lean_object* l_Int_repr(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__1;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__10;
 lean_object* l_Int_decEq___boxed(lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_72_(lean_object*, lean_object*);
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__24;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533____boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_370____lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1(lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__9;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3267____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__10;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Assignment_val___default;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__8;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__4;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__8;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__8;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_instOrdVar___closed__1;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__4;
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_resolve(lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__8;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__10;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__20;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_CnstrKind_toCtorIdx___boxed(lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__4;
 static lean_object* l_Lean_Meta_Linear_instInhabitedState___closed__1;
 lean_object* lean_int_mul(lean_object*, lean_object*);
-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__8;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__8;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instInhabitedVar;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__15;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Cnstr_isStrict___boxed(lean_object*);
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-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__1;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__2;
 static lean_object* l_Lean_Meta_Linear_Cnstr_isUnsat___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_eval_x3f___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instDecidableEqCnstrKind___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__5;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Linear_Poly_scale___spec__1(lean_object*, size_t, size_t, lean_object*);
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__11;
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__4;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__7;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3471_(lean_object*, lean_object*);
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+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901_(lean_object*, lean_object*);
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__6;
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__1;
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+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__3;
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 lean_object* lean_array_to_list(lean_object*, lean_object*);
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__9;
 static lean_object* l_Lean_Meta_Linear_instBEqJustification___closed__1;
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instInhabitedCnstr;
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__15;
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+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__13;
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+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__11;
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 extern uint8_t l_instInhabitedBool;
 static lean_object* l_Lean_Meta_Linear_Cnstr_isUnsat___closed__4;
-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__6;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__10;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____closed__6;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_combine___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instBEqJustification;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__11;
 uint8_t l_Lean_Rat_lt(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_resolve___closed__1;
-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__4;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__12;
+static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_341____spec__1___closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2452____boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instDecidableEqJustification(lean_object*, lean_object*);
 uint8_t l_Lean_Rat_isInt(lean_object*);
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__9;
-static lean_object* l_repr___at___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____spec__1___closed__9;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__16;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqAssumptionId____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2376____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_370____lambda__1(lean_object*, lean_object*);
 uint8_t lean_int_dec_lt(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__9;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_add_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqPoly____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_370_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instDecidableEqCnstr___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Poly_add_go___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_get(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__4;
 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instInhabitedCnstrKind;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_resolve___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_instDecidableEqArray___rarg(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807____closed__7;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____boxed(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3706_(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__17;
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_72_(lean_object*, lean_object*);
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+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__13;
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3807____closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_instDecidableEqPoly___boxed(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_add(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__8;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprPoly____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_341____closed__7;
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_148____closed__10;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprVar____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_148____closed__7;
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_getBestBound_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Linear_Cnstr_isUnsat___closed__3;
 lean_object* lean_panic_fn(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__9;
+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__9;
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__4;
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 LEAN_EXPORT uint8_t l_Lean_Meta_Linear_Cnstr_isStrict(lean_object*);
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-static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3283____closed__2;
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+static lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3283____closed__21;
 lean_object* lean_int_add(lean_object*, lean_object*);
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_combine(lean_object*, lean_object*, lean_object*, lean_object*);
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_State_assignment___default;
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_Poly_getMaxVar___boxed(lean_object*);
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 LEAN_EXPORT lean_object* l_Lean_Meta_Linear_State_getBestLowerBound_x3f___boxed(lean_object*);
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 lean_object* l_Lean_Rat_mul(lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
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 lean_object* l_Repr_addAppParen(lean_object*, lean_object*);
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 lean_ctor_set(x_3, 0, x_1);
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 return x_3;
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 _start:
 {
 lean_object* x_3; lean_object* x_4; uint8_t x_5; 
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 {
 lean_object* x_1; 
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 lean_object* x_1; 
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 lean_dec(x_1);
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 {
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 _start:
 {
 uint8_t x_3; 
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 lean_dec(x_1);
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 }
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533_(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2533_(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -2514,7 +2514,7 @@ return x_12;
 else
 {
 uint8_t x_13; 
-x_13 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533_(x_4, x_8);
+x_13 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2533_(x_4, x_8);
 if (x_13 == 0)
 {
 uint8_t x_14; 
@@ -2566,11 +2566,11 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2533____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533_(x_1, x_2);
+x_3 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2533_(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
@@ -2581,7 +2581,7 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Linear_instDecidableEqJustification(lean_object*
 _start:
 {
 uint8_t x_3; 
-x_3 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2533_(x_1, x_2);
+x_3 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_decEqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2533_(x_1, x_2);
 return x_3;
 }
 }
@@ -2596,7 +2596,7 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901_(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901_(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -2622,7 +2622,7 @@ return x_12;
 else
 {
 uint8_t x_13; 
-x_13 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901_(x_4, x_8);
+x_13 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901_(x_4, x_8);
 if (x_13 == 0)
 {
 uint8_t x_14; 
@@ -2674,11 +2674,11 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901_(x_1, x_2);
+x_3 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901_(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
@@ -2689,7 +2689,7 @@ static lean_object* _init_l_Lean_Meta_Linear_instBEqJustification___closed__1()
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_2901____boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_2901____boxed), 2, 0);
 return x_1;
 }
 }
@@ -2701,7 +2701,7 @@ x_1 = l_Lean_Meta_Linear_instBEqJustification___closed__1;
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -2709,21 +2709,21 @@ x_1 = lean_mk_string("Lean.Meta.Linear.Justification.combine");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__1;
+x_1 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__3() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__2;
+x_1 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__2;
 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -2731,7 +2731,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__4() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -2740,7 +2740,7 @@ x_2 = lean_nat_to_int(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__5() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -2749,7 +2749,7 @@ x_2 = lean_nat_to_int(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__6() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__6() {
 _start:
 {
 lean_object* x_1; 
@@ -2757,21 +2757,21 @@ x_1 = lean_mk_string("Lean.Meta.Linear.Justification.assumption");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__7() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__6;
+x_1 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__6;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__8() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__7;
+x_1 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__7;
 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -2779,7 +2779,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027_(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027_(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -2800,7 +2800,7 @@ x_9 = l_Int_repr(x_3);
 lean_dec(x_3);
 x_10 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_10, 0, x_9);
-x_11 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__3;
+x_11 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____closed__3;
 x_12 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_12, 0, x_11);
 lean_ctor_set(x_12, 1, x_10);
@@ -2808,7 +2808,7 @@ x_13 = lean_box(1);
 x_14 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_14, 0, x_12);
 lean_ctor_set(x_14, 1, x_13);
-x_15 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027_(x_4, x_7);
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 x_16 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_16, 0, x_14);
 lean_ctor_set(x_16, 1, x_15);
@@ -2825,14 +2825,14 @@ lean_ctor_set(x_20, 1, x_19);
 x_21 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_21, 0, x_20);
 lean_ctor_set(x_21, 1, x_13);
-x_22 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027_(x_6, x_7);
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 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
 if (x_8 == 0)
 {
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-x_24 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__4;
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 x_25 = lean_alloc_ctor(3, 2, 0);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set(x_25, 1, x_23);
@@ -2846,7 +2846,7 @@ return x_28;
 else
 {
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-x_29 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__5;
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 x_30 = lean_alloc_ctor(3, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_23);
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 lean_dec(x_1);
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 {
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 lean_ctor_set(x_41, 0, x_40);
 lean_ctor_set(x_41, 1, x_39);
@@ -2888,7 +2888,7 @@ return x_44;
 else
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-x_45 = l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____closed__5;
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 x_46 = lean_alloc_ctor(3, 2, 0);
 lean_ctor_set(x_46, 0, x_45);
 lean_ctor_set(x_46, 1, x_39);
@@ -2902,11 +2902,11 @@ return x_49;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3027____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprJustification____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3027____boxed(lean_object* x_1, lean_object* x_2) {
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 {
 lean_object* x_3; 
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 lean_dec(x_2);
 return x_3;
 }
@@ -2915,7 +2915,7 @@ static lean_object* _init_l_Lean_Meta_Linear_instReprJustification___closed__1()
 _start:
 {
 lean_object* x_1; 
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 return x_1;
 }
 }
@@ -3106,7 +3106,7 @@ x_6 = lean_box(x_5);
 return x_6;
 }
 }
-LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3267_(uint8_t x_1, uint8_t x_2) {
+LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3267_(uint8_t x_1, uint8_t x_2) {
 _start:
 {
 lean_object* x_3; lean_object* x_4; uint8_t x_5; 
@@ -3118,7 +3118,7 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Basic_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Basic___hyg_3267____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3267____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; uint8_t x_4; uint8_t x_5; lean_object* x_6; 
@@ -3126,7 +3126,7 @@ x_3 = lean_unbox(x_1);
 lean_dec(x_1);
 x_4 = lean_unbox(x_2);
 lean_dec(x_2);
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+x_5 = l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_beqCnstrKind____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3267_(x_3, x_4);
 x_6 = lean_box(x_5);
 return x_6;
 }
@@ -3135,7 +3135,7 @@ static lean_object* _init_l_Lean_Meta_Linear_instBEqCnstrKind___closed__1() {
 _start:
 {
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 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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 {
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 return x_26;
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 }
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 lean_dec(x_2);
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 lean_dec(x_1);
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 uint8_t x_3; 
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 lean_dec(x_1);
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 {
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 lean_object* x_1; 
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 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
 return x_3;
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 }
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 _start:
 {
 lean_object* x_1; 
@@ -3756,17 +3756,17 @@ x_1 = lean_mk_string("lhs");
 return x_1;
 }
 }
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 lean_ctor_set(x_2, 0, x_1);
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 {
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@@ -3774,17 +3774,17 @@ x_1 = lean_mk_string("rhs");
 return x_1;
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 }
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@@ -3792,28 +3792,28 @@ x_1 = lean_mk_string("jst");
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
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+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_LinearArith_Solver_0__Lean_Meta_Linear_reprCnstr____x40_Lean_Meta_Tactic_LinearArith_Solver___hyg_3807_(lean_object* x_1, lean_object* x_2) {
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 }
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 {
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 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Lean.Meta.Tactic.LinearArith.Basic");
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 }
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 {
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 lean_object* initialize_Init(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Data_Rat(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
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+LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_LinearArith_Solver(uint8_t builtin, lean_object* w) {
 lean_object * res;
 if (_G_initialized) return lean_io_result_mk_ok(lean_box(0));
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diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
index 9bd5368dad..021a1b9bde 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
@@ -17,7 +17,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_applySimpResultToLocalDecl(lean_object*, le
 LEAN_EXPORT lean_object* l_Lean_Meta_applySimpResultToLocalDeclCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simp_simpLet___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_applySimpResultToFVarId(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Simp_simp_simpLit___closed__2;
 static lean_object* l_Lean_Meta_Simp_DefaultMethods_discharge_x3f___lambda__3___closed__4;
 lean_object* l_Lean_Expr_bindingInfo_x21(lean_object*);
 lean_object* l_Lean_Meta_assert(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -107,6 +106,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM__
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Meta_Simp_simp_mkCongrSimp_x3f___spec__2___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_transform___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simp_simpLoop___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_updateArith(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_DefaultMethods_discharge_x3f___lambda__2___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_processCongrHypothesis(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_Simp_simp_mkCongrSimp_x3f___spec__9___boxed(lean_object*, lean_object*, lean_object*);
@@ -143,6 +143,7 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Simp_simp_simp
 LEAN_EXPORT lean_object* l_Lean_Meta_simpGoal___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___spec__14___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_simpTargetStar___spec__1___closed__1;
+lean_object* l_Lean_Meta_Simp_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SimpTheorems_add(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -180,7 +181,6 @@ LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_Simp_simp_process
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Result_getProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_throwCongrHypothesisFailed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqMP(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Simp_simp_simpLit___closed__3;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__3(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___lambda__5___boxed(lean_object**);
@@ -199,6 +199,7 @@ static lean_object* l_Lean_Meta_Simp_isOfNatNatLit___closed__1;
 extern lean_object* l_Lean_Meta_Simp_instInhabitedResult;
 static lean_object* l_Lean_Meta_Simp_isOfNatNatLit___closed__2;
 uint8_t lean_usize_dec_lt(size_t, size_t);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_removeUnnecessaryCasts___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simp_simpForall___closed__4;
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_Simp_simp_simpForall___spec__1(lean_object*, lean_object*);
@@ -286,6 +287,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_simpGoal___lambda__1(lean_object*, lean_obj
 lean_object* l_Lean_Expr_headBeta(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_simpLet(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpTargetCore___closed__3;
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_congrArgs___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__3___closed__5;
@@ -358,10 +360,13 @@ lean_object* l_Lean_Meta_mkEqNDRec(lean_object*, lean_object*, lean_object*, lea
 LEAN_EXPORT lean_object* l_Lean_Meta_simpTargetStar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_natLit_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_contains___at_Lean_Meta_Simp_simp_cacheResult___spec__2___boxed(lean_object*, lean_object*);
+uint8_t l_Lean_Environment_contains(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkImpDepCongrCtx(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitForall___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_initFn____x40_Lean_Meta_Tactic_Simp_Main___hyg_5_(lean_object*);
 lean_object* l_Lean_Meta_Simp_post(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_updateArith___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_simpGoal___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__1___closed__2;
@@ -371,6 +376,7 @@ LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_congrArgs___spec__1___closed__6;
 size_t lean_usize_modn(size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_simpApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_getSimpLetCase___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_congrArgs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simp_simpArrow___lambda__4___closed__12;
@@ -387,6 +393,7 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCon
 static lean_object* l_Lean_Meta_Simp_simp_simpArrow___lambda__4___closed__11;
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_removeUnnecessaryCasts_isDummyEqRec___closed__3;
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_congrArgs___spec__1___closed__1;
 lean_object* l_Std_HashMap_insert___at_Lean_MetavarContext_instantiateExprMVars___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_throwCongrHypothesisFailed___rarg___closed__1;
@@ -413,6 +420,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_Meta_Simp_simp_si
 static lean_object* l_Lean_Meta_Simp_initFn____x40_Lean_Meta_Tactic_Simp_Main___hyg_5____closed__2;
 lean_object* l_Lean_mkFVar(lean_object*);
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__5;
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Meta_assertHypotheses(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -448,6 +456,7 @@ static lean_object* l_Lean_Meta_simpTargetCore___closed__4;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Lean_LocalDecl_value_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitLambda___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___spec__3(lean_object*);
 static lean_object* l_Lean_Meta_transform___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_isProjectionFn___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_unfold_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -510,8 +519,8 @@ static lean_object* l_Lean_Meta_Simp_simp_simpForall___closed__7;
 static lean_object* l_Lean_Meta_simpTargetCore___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_simpLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Simp_Config_updateArith___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___lambda__7___boxed(lean_object**);
-lean_object* l_Lean_Meta_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_dsimp___closed__2;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_Simp_removeUnnecessaryCasts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -598,7 +607,6 @@ lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_ob
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_simpProj(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__3___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_mkCongrSimp_x3f___lambda__1(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_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_contains___at_Lean_Meta_Simp_simp_mkCongrSimp_x3f___spec__4___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_simpGoal___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__3___closed__2;
@@ -771,6 +779,238 @@ lean_dec(x_2);
 return x_6;
 }
 }
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Nat");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Meta_Simp_Config_updateArith___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Linear");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Simp_Config_updateArith___closed__2;
+x_2 = l_Lean_Meta_Simp_Config_updateArith___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("ExprCnstr");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Simp_Config_updateArith___closed__4;
+x_2 = l_Lean_Meta_Simp_Config_updateArith___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("eq_of_toNormPoly_eq");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_Simp_Config_updateArith___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_Simp_Config_updateArith___closed__6;
+x_2 = l_Lean_Meta_Simp_Config_updateArith___closed__7;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_updateArith(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 10);
+if (x_5 == 0)
+{
+lean_object* x_6; 
+x_6 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_6, 0, x_1);
+lean_ctor_set(x_6, 1, x_4);
+return x_6;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; uint8_t x_9; uint8_t x_10; uint8_t x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint8_t x_16; uint8_t x_17; uint8_t x_18; lean_object* x_19; uint8_t x_20; 
+x_7 = lean_ctor_get(x_1, 0);
+lean_inc(x_7);
+x_8 = lean_ctor_get(x_1, 1);
+lean_inc(x_8);
+x_9 = lean_ctor_get_uint8(x_1, sizeof(void*)*2);
+x_10 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 1);
+x_11 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 2);
+x_12 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 3);
+x_13 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 4);
+x_14 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 5);
+x_15 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 6);
+x_16 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 7);
+x_17 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 8);
+x_18 = lean_ctor_get_uint8(x_1, sizeof(void*)*2 + 9);
+x_19 = lean_st_ref_get(x_3, x_4);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_21 = lean_ctor_get(x_19, 0);
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = l_Lean_Meta_Simp_Config_updateArith___closed__8;
+x_24 = l_Lean_Environment_contains(x_22, x_23);
+if (x_24 == 0)
+{
+uint8_t x_25; 
+x_25 = !lean_is_exclusive(x_1);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_1, 1);
+lean_dec(x_26);
+x_27 = lean_ctor_get(x_1, 0);
+lean_dec(x_27);
+x_28 = 0;
+lean_ctor_set_uint8(x_1, sizeof(void*)*2 + 10, x_28);
+lean_ctor_set(x_19, 0, x_1);
+return x_19;
+}
+else
+{
+uint8_t x_29; lean_object* x_30; 
+lean_dec(x_1);
+x_29 = 0;
+x_30 = lean_alloc_ctor(0, 2, 11);
+lean_ctor_set(x_30, 0, x_7);
+lean_ctor_set(x_30, 1, x_8);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2, x_9);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 1, x_10);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 2, x_11);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 3, x_12);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 4, x_13);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 5, x_14);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 6, x_15);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 7, x_16);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 8, x_17);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 9, x_18);
+lean_ctor_set_uint8(x_30, sizeof(void*)*2 + 10, x_29);
+lean_ctor_set(x_19, 0, x_30);
+return x_19;
+}
+}
+else
+{
+lean_dec(x_8);
+lean_dec(x_7);
+lean_ctor_set(x_19, 0, x_1);
+return x_19;
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+x_31 = lean_ctor_get(x_19, 0);
+x_32 = lean_ctor_get(x_19, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_19);
+x_33 = lean_ctor_get(x_31, 0);
+lean_inc(x_33);
+lean_dec(x_31);
+x_34 = l_Lean_Meta_Simp_Config_updateArith___closed__8;
+x_35 = l_Lean_Environment_contains(x_33, x_34);
+if (x_35 == 0)
+{
+lean_object* x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; 
+if (lean_is_exclusive(x_1)) {
+ lean_ctor_release(x_1, 0);
+ lean_ctor_release(x_1, 1);
+ x_36 = x_1;
+} else {
+ lean_dec_ref(x_1);
+ x_36 = lean_box(0);
+}
+x_37 = 0;
+if (lean_is_scalar(x_36)) {
+ x_38 = lean_alloc_ctor(0, 2, 11);
+} else {
+ x_38 = x_36;
+}
+lean_ctor_set(x_38, 0, x_7);
+lean_ctor_set(x_38, 1, x_8);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2, x_9);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 1, x_10);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 2, x_11);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 3, x_12);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 4, x_13);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 5, x_14);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 6, x_15);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 7, x_16);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 8, x_17);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 9, x_18);
+lean_ctor_set_uint8(x_38, sizeof(void*)*2 + 10, 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_32);
+return x_39;
+}
+else
+{
+lean_object* x_40; 
+lean_dec(x_8);
+lean_dec(x_7);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_1);
+lean_ctor_set(x_40, 1, x_32);
+return x_40;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_updateArith___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_Meta_Simp_Config_updateArith(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_5;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Result_getProof(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:
 {
@@ -804,278 +1044,6 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = lean_ctor_get(x_1, 1);
-lean_inc(x_8);
-lean_dec(x_1);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_2);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-else
-{
-lean_object* x_10; 
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
-if (lean_obj_tag(x_10) == 0)
-{
-uint8_t x_11; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_11 = !lean_is_exclusive(x_2);
-if (x_11 == 0)
-{
-lean_object* x_12; lean_object* x_13; 
-x_12 = lean_ctor_get(x_2, 1);
-lean_dec(x_12);
-lean_ctor_set(x_2, 1, x_8);
-x_13 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_13, 0, x_2);
-lean_ctor_set(x_13, 1, x_7);
-return x_13;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_2, 0);
-lean_inc(x_14);
-lean_dec(x_2);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_14);
-lean_ctor_set(x_15, 1, x_8);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_7);
-return x_16;
-}
-}
-else
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = lean_ctor_get(x_8, 0);
-lean_inc(x_17);
-lean_dec(x_8);
-x_18 = !lean_is_exclusive(x_2);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_19 = lean_ctor_get(x_2, 0);
-x_20 = lean_ctor_get(x_2, 1);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_10);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_10, 0);
-x_23 = l_Lean_Meta_mkEqTrans(x_17, x_22, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_23) == 0)
-{
-uint8_t x_24; 
-x_24 = !lean_is_exclusive(x_23);
-if (x_24 == 0)
-{
-lean_object* x_25; 
-x_25 = lean_ctor_get(x_23, 0);
-lean_ctor_set(x_10, 0, x_25);
-lean_ctor_set(x_23, 0, x_2);
-return x_23;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_23, 0);
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_23);
-lean_ctor_set(x_10, 0, x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_2);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-else
-{
-uint8_t x_29; 
-lean_free_object(x_10);
-lean_free_object(x_2);
-lean_dec(x_19);
-x_29 = !lean_is_exclusive(x_23);
-if (x_29 == 0)
-{
-return x_23;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_23, 0);
-x_31 = lean_ctor_get(x_23, 1);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_dec(x_23);
-x_32 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-return x_32;
-}
-}
-}
-else
-{
-lean_object* x_33; lean_object* x_34; 
-x_33 = lean_ctor_get(x_10, 0);
-lean_inc(x_33);
-lean_dec(x_10);
-x_34 = l_Lean_Meta_mkEqTrans(x_17, x_33, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_34) == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 1);
-lean_inc(x_36);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- x_37 = x_34;
-} else {
- lean_dec_ref(x_34);
- x_37 = lean_box(0);
-}
-x_38 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_38, 0, x_35);
-lean_ctor_set(x_2, 1, x_38);
-if (lean_is_scalar(x_37)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_39 = x_37;
-}
-lean_ctor_set(x_39, 0, x_2);
-lean_ctor_set(x_39, 1, x_36);
-return x_39;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-lean_free_object(x_2);
-lean_dec(x_19);
-x_40 = lean_ctor_get(x_34, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_34, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- x_42 = x_34;
-} else {
- lean_dec_ref(x_34);
- x_42 = lean_box(0);
-}
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_43 = x_42;
-}
-lean_ctor_set(x_43, 0, x_40);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
-}
-}
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_44 = lean_ctor_get(x_2, 0);
-lean_inc(x_44);
-lean_dec(x_2);
-x_45 = lean_ctor_get(x_10, 0);
-lean_inc(x_45);
-if (lean_is_exclusive(x_10)) {
- lean_ctor_release(x_10, 0);
- x_46 = x_10;
-} else {
- lean_dec_ref(x_10);
- x_46 = lean_box(0);
-}
-x_47 = l_Lean_Meta_mkEqTrans(x_17, x_45, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_47) == 0)
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_47, 1);
-lean_inc(x_49);
-if (lean_is_exclusive(x_47)) {
- lean_ctor_release(x_47, 0);
- lean_ctor_release(x_47, 1);
- x_50 = x_47;
-} else {
- lean_dec_ref(x_47);
- x_50 = lean_box(0);
-}
-if (lean_is_scalar(x_46)) {
- x_51 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_51 = x_46;
-}
-lean_ctor_set(x_51, 0, x_48);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_44);
-lean_ctor_set(x_52, 1, x_51);
-if (lean_is_scalar(x_50)) {
- x_53 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_53 = x_50;
-}
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_49);
-return x_53;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-lean_dec(x_46);
-lean_dec(x_44);
-x_54 = lean_ctor_get(x_47, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_47, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_47)) {
- lean_ctor_release(x_47, 0);
- lean_ctor_release(x_47, 1);
- x_56 = x_47;
-} else {
- lean_dec_ref(x_47);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_54);
-lean_ctor_set(x_57, 1, x_55);
-return x_57;
-}
-}
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_mkCongrFun(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:
 {
@@ -8495,27 +8463,9 @@ return x_7;
 static lean_object* _init_l_Lean_Meta_Simp_simp_simpLit___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("Nat");
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Meta_Simp_simp_simpLit___closed__2() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Simp_simp_simpLit___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Meta_Simp_simp_simpLit___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Simp_simp_simpLit___closed__2;
+x_2 = l_Lean_Meta_Simp_Config_updateArith___closed__2;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
@@ -8561,7 +8511,7 @@ if (x_20 == 0)
 lean_object* x_21; lean_object* x_22; 
 lean_free_object(x_15);
 lean_dec(x_1);
-x_21 = l_Lean_Meta_Simp_simp_simpLit___closed__3;
+x_21 = l_Lean_Meta_Simp_simp_simpLit___closed__1;
 x_22 = l_Lean_Meta_mkNumeral(x_21, x_14, x_5, x_6, x_7, x_8, x_18);
 if (lean_obj_tag(x_22) == 0)
 {
@@ -8649,7 +8599,7 @@ if (x_41 == 0)
 {
 lean_object* x_42; lean_object* x_43; 
 lean_dec(x_1);
-x_42 = l_Lean_Meta_Simp_simp_simpLit___closed__3;
+x_42 = l_Lean_Meta_Simp_simp_simpLit___closed__1;
 x_43 = l_Lean_Meta_mkNumeral(x_42, x_14, x_5, x_6, x_7, x_8, x_39);
 if (lean_obj_tag(x_43) == 0)
 {
@@ -11419,7 +11369,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_38 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_2, x_37, x_6, x_7, x_8, x_9, x_36);
+x_38 = l_Lean_Meta_Simp_mkEqTrans(x_2, x_37, x_6, x_7, x_8, x_9, x_36);
 if (lean_obj_tag(x_38) == 0)
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
@@ -11450,7 +11400,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_45 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_39, x_43, x_6, x_7, x_8, x_9, x_44);
+x_45 = l_Lean_Meta_Simp_mkEqTrans(x_39, x_43, x_6, x_7, x_8, x_9, x_44);
 if (lean_obj_tag(x_45) == 0)
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
@@ -11487,7 +11437,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_53 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_46, x_52, x_6, x_7, x_8, x_9, x_51);
+x_53 = l_Lean_Meta_Simp_mkEqTrans(x_46, x_52, x_6, x_7, x_8, x_9, x_51);
 if (lean_obj_tag(x_53) == 0)
 {
 uint8_t x_54; 
@@ -11595,7 +11545,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_70 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_46, x_69, x_6, x_7, x_8, x_9, x_68);
+x_70 = l_Lean_Meta_Simp_mkEqTrans(x_46, x_69, x_6, x_7, x_8, x_9, x_68);
 if (lean_obj_tag(x_70) == 0)
 {
 lean_object* x_71; lean_object* x_72; lean_object* x_73; 
@@ -11796,7 +11746,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_96 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_2, x_95, x_6, x_7, x_8, x_9, x_94);
+x_96 = l_Lean_Meta_Simp_mkEqTrans(x_2, x_95, x_6, x_7, x_8, x_9, x_94);
 if (lean_obj_tag(x_96) == 0)
 {
 lean_object* x_97; lean_object* x_98; lean_object* x_99; 
@@ -11931,7 +11881,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_120 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_2, x_119, x_6, x_7, x_8, x_9, x_118);
+x_120 = l_Lean_Meta_Simp_mkEqTrans(x_2, x_119, x_6, x_7, x_8, x_9, x_118);
 if (lean_obj_tag(x_120) == 0)
 {
 lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
@@ -11962,7 +11912,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_127 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_121, x_125, x_6, x_7, x_8, x_9, x_126);
+x_127 = l_Lean_Meta_Simp_mkEqTrans(x_121, x_125, x_6, x_7, x_8, x_9, x_126);
 if (lean_obj_tag(x_127) == 0)
 {
 lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
@@ -11999,7 +11949,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_135 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_128, x_134, x_6, x_7, x_8, x_9, x_133);
+x_135 = l_Lean_Meta_Simp_mkEqTrans(x_128, x_134, x_6, x_7, x_8, x_9, x_133);
 if (lean_obj_tag(x_135) == 0)
 {
 uint8_t x_136; 
@@ -12109,7 +12059,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_152 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_128, x_151, x_6, x_7, x_8, x_9, x_150);
+x_152 = l_Lean_Meta_Simp_mkEqTrans(x_128, x_151, x_6, x_7, x_8, x_9, x_150);
 if (lean_obj_tag(x_152) == 0)
 {
 lean_object* x_153; lean_object* x_154; lean_object* x_155; 
@@ -12320,7 +12270,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_178 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_2, x_177, x_6, x_7, x_8, x_9, x_176);
+x_178 = l_Lean_Meta_Simp_mkEqTrans(x_2, x_177, x_6, x_7, x_8, x_9, x_176);
 if (lean_obj_tag(x_178) == 0)
 {
 lean_object* x_179; lean_object* x_180; lean_object* x_181; 
@@ -12510,7 +12460,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_simp_simpStep___closed__1;
 x_2 = l_Lean_Meta_Simp_simp_simpStep___closed__2;
-x_3 = lean_unsigned_to_nat(209u);
+x_3 = lean_unsigned_to_nat(214u);
 x_4 = lean_unsigned_to_nat(26u);
 x_5 = l_Lean_Meta_Simp_simp_simpStep___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14734,7 +14684,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_simp_simpStep___closed__1;
 x_2 = l_Lean_Meta_Simp_simp_simpLet___closed__1;
-x_3 = lean_unsigned_to_nat(519u);
+x_3 = lean_unsigned_to_nat(524u);
 x_4 = lean_unsigned_to_nat(35u);
 x_5 = l_Lean_Meta_Simp_simp_simpStep___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -20568,7 +20518,7 @@ lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
 lean_inc(x_35);
 lean_dec(x_33);
-x_36 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkEqTrans(x_31, x_34, x_5, x_6, x_7, x_8, x_35);
+x_36 = l_Lean_Meta_Simp_mkEqTrans(x_31, x_34, x_5, x_6, x_7, x_8, x_35);
 return x_36;
 }
 else
@@ -22132,7 +22082,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_simp_simpStep___closed__1;
 x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__2___closed__1;
-x_3 = lean_unsigned_to_nat(324u);
+x_3 = lean_unsigned_to_nat(329u);
 x_4 = lean_unsigned_to_nat(13u);
 x_5 = l_Lean_Meta_Simp_simp_simpStep___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -25128,7 +25078,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_simp_simpStep___closed__1;
 x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__2___closed__1;
-x_3 = lean_unsigned_to_nat(359u);
+x_3 = lean_unsigned_to_nat(364u);
 x_4 = lean_unsigned_to_nat(13u);
 x_5 = l_Lean_Meta_Simp_simp_simpStep___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -29868,7 +29818,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Simp_simp_simpStep___closed__1;
 x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__2___closed__1;
-x_3 = lean_unsigned_to_nat(360u);
+x_3 = lean_unsigned_to_nat(365u);
 x_4 = lean_unsigned_to_nat(63u);
 x_5 = l_Lean_Meta_Simp_simp_simpStep___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -34429,505 +34379,731 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Simp_main(lean_object* x_1, lean_object* x_
 _start:
 {
 uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_4);
+x_9 = !lean_is_exclusive(x_2);
 if (x_9 == 0)
 {
-lean_object* x_10; uint8_t x_11; 
-x_10 = lean_ctor_get(x_4, 0);
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_12 = lean_ctor_get(x_2, 0);
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_10 = lean_ctor_get(x_2, 0);
+x_11 = l_Lean_Meta_Simp_Config_updateArith(x_10, x_6, x_7, x_8);
+x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
-x_13 = lean_ctor_get_uint8(x_12, sizeof(void*)*2 + 6);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+lean_inc(x_12);
+lean_ctor_set(x_2, 0, x_12);
+x_14 = !lean_is_exclusive(x_4);
+if (x_14 == 0)
+{
+lean_object* x_15; uint8_t x_16; 
+x_15 = lean_ctor_get(x_4, 0);
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
+{
+uint8_t x_17; uint8_t 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_17 = lean_ctor_get_uint8(x_12, sizeof(void*)*2 + 6);
 lean_dec(x_12);
-x_14 = 2;
-lean_ctor_set_uint8(x_10, 5, x_14);
-lean_ctor_set_uint8(x_10, 13, x_13);
-x_15 = lean_st_ref_get(x_7, x_8);
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = l_Lean_Meta_Simp_main___closed__1;
-x_18 = lean_st_mk_ref(x_17, x_16);
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_18, 1);
+x_18 = 2;
+lean_ctor_set_uint8(x_15, 5, x_18);
+lean_ctor_set_uint8(x_15, 13, x_17);
+x_19 = lean_st_ref_get(x_7, x_13);
+x_20 = lean_ctor_get(x_19, 1);
 lean_inc(x_20);
-lean_dec(x_18);
+lean_dec(x_19);
+x_21 = l_Lean_Meta_Simp_main___closed__1;
+x_22 = lean_st_mk_ref(x_21, x_20);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_19);
-x_21 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_19, x_4, x_5, x_6, x_7, x_20);
-if (lean_obj_tag(x_21) == 0)
+lean_inc(x_23);
+x_25 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_23, x_4, x_5, x_6, x_7, x_24);
+if (lean_obj_tag(x_25) == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 lean_dec(x_4);
 lean_dec(x_6);
 lean_dec(x_5);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_st_ref_get(x_7, x_23);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = lean_st_ref_get(x_7, x_27);
 lean_dec(x_7);
-x_25 = lean_ctor_get(x_24, 1);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = lean_st_ref_get(x_19, x_25);
-lean_dec(x_19);
-x_27 = !lean_is_exclusive(x_26);
-if (x_27 == 0)
-{
-lean_object* x_28; 
-x_28 = lean_ctor_get(x_26, 0);
-lean_dec(x_28);
-lean_ctor_set(x_26, 0, x_22);
-return x_26;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_26, 1);
+x_29 = lean_ctor_get(x_28, 1);
 lean_inc(x_29);
-lean_dec(x_26);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_22);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-else
-{
-uint8_t x_31; 
-lean_dec(x_19);
-x_31 = !lean_is_exclusive(x_21);
+lean_dec(x_28);
+x_30 = lean_st_ref_get(x_23, x_29);
+lean_dec(x_23);
+x_31 = !lean_is_exclusive(x_30);
 if (x_31 == 0)
 {
-lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_32 = lean_ctor_get(x_21, 0);
-x_33 = lean_ctor_get(x_21, 1);
-x_34 = l_Lean_Exception_isMaxHeartbeat(x_32);
-if (x_34 == 0)
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set(x_30, 0, x_26);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_26);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+else
+{
+uint8_t x_35; 
+lean_dec(x_23);
+x_35 = !lean_is_exclusive(x_25);
+if (x_35 == 0)
+{
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_25, 0);
+x_37 = lean_ctor_get(x_25, 1);
+x_38 = l_Lean_Exception_isMaxHeartbeat(x_36);
+if (x_38 == 0)
 {
 lean_dec(x_4);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-return x_21;
+return x_25;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-lean_free_object(x_21);
-x_35 = l_Lean_Meta_Simp_main___closed__2;
-x_36 = l_Lean_Meta_throwNestedTacticEx___rarg(x_35, x_32, x_4, x_5, x_6, x_7, x_33);
-x_37 = !lean_is_exclusive(x_36);
-if (x_37 == 0)
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_free_object(x_25);
+x_39 = l_Lean_Meta_Simp_main___closed__2;
+x_40 = l_Lean_Meta_throwNestedTacticEx___rarg(x_39, x_36, x_4, x_5, x_6, x_7, x_37);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-return x_36;
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_36, 0);
-x_39 = lean_ctor_get(x_36, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_36);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
 return x_40;
 }
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+x_43 = lean_ctor_get(x_40, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_40);
+x_44 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_44, 0, x_42);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
 }
 }
 else
 {
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-x_41 = lean_ctor_get(x_21, 0);
-x_42 = lean_ctor_get(x_21, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_21);
-x_43 = l_Lean_Exception_isMaxHeartbeat(x_41);
-if (x_43 == 0)
+lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_45 = lean_ctor_get(x_25, 0);
+x_46 = lean_ctor_get(x_25, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_25);
+x_47 = l_Lean_Exception_isMaxHeartbeat(x_45);
+if (x_47 == 0)
 {
-lean_object* x_44; 
+lean_object* x_48; 
 lean_dec(x_4);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_44 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_44, 0, x_41);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
+x_48 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_48, 0, x_45);
+lean_ctor_set(x_48, 1, x_46);
+return x_48;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_45 = l_Lean_Meta_Simp_main___closed__2;
-x_46 = l_Lean_Meta_throwNestedTacticEx___rarg(x_45, x_41, x_4, x_5, x_6, x_7, x_42);
-x_47 = lean_ctor_get(x_46, 0);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_46, 1);
-lean_inc(x_48);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- x_49 = x_46;
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_49 = l_Lean_Meta_Simp_main___closed__2;
+x_50 = l_Lean_Meta_throwNestedTacticEx___rarg(x_49, x_45, x_4, x_5, x_6, x_7, x_46);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_50)) {
+ lean_ctor_release(x_50, 0);
+ lean_ctor_release(x_50, 1);
+ x_53 = x_50;
 } else {
- lean_dec_ref(x_46);
- x_49 = lean_box(0);
+ lean_dec_ref(x_50);
+ x_53 = lean_box(0);
 }
-if (lean_is_scalar(x_49)) {
- x_50 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_53)) {
+ x_54 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_50 = x_49;
+ x_54 = x_53;
 }
-lean_ctor_set(x_50, 0, x_47);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
+lean_ctor_set(x_54, 0, x_51);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
 }
 }
 }
 }
 else
 {
-uint8_t x_51; uint8_t x_52; uint8_t x_53; uint8_t x_54; uint8_t x_55; uint8_t x_56; uint8_t x_57; uint8_t x_58; uint8_t x_59; uint8_t x_60; uint8_t x_61; uint8_t x_62; lean_object* x_63; uint8_t x_64; uint8_t 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_51 = lean_ctor_get_uint8(x_10, 0);
-x_52 = lean_ctor_get_uint8(x_10, 1);
-x_53 = lean_ctor_get_uint8(x_10, 2);
-x_54 = lean_ctor_get_uint8(x_10, 3);
-x_55 = lean_ctor_get_uint8(x_10, 4);
-x_56 = lean_ctor_get_uint8(x_10, 6);
-x_57 = lean_ctor_get_uint8(x_10, 7);
-x_58 = lean_ctor_get_uint8(x_10, 8);
-x_59 = lean_ctor_get_uint8(x_10, 9);
-x_60 = lean_ctor_get_uint8(x_10, 10);
-x_61 = lean_ctor_get_uint8(x_10, 11);
-x_62 = lean_ctor_get_uint8(x_10, 12);
-lean_dec(x_10);
-x_63 = lean_ctor_get(x_2, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get_uint8(x_63, sizeof(void*)*2 + 6);
-lean_dec(x_63);
-x_65 = 2;
-x_66 = lean_alloc_ctor(0, 0, 14);
-lean_ctor_set_uint8(x_66, 0, x_51);
-lean_ctor_set_uint8(x_66, 1, x_52);
-lean_ctor_set_uint8(x_66, 2, x_53);
-lean_ctor_set_uint8(x_66, 3, x_54);
-lean_ctor_set_uint8(x_66, 4, x_55);
-lean_ctor_set_uint8(x_66, 5, x_65);
-lean_ctor_set_uint8(x_66, 6, x_56);
-lean_ctor_set_uint8(x_66, 7, x_57);
-lean_ctor_set_uint8(x_66, 8, x_58);
-lean_ctor_set_uint8(x_66, 9, x_59);
-lean_ctor_set_uint8(x_66, 10, x_60);
-lean_ctor_set_uint8(x_66, 11, x_61);
-lean_ctor_set_uint8(x_66, 12, x_62);
-lean_ctor_set_uint8(x_66, 13, x_64);
-lean_ctor_set(x_4, 0, x_66);
-x_67 = lean_st_ref_get(x_7, x_8);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = l_Lean_Meta_Simp_main___closed__1;
-x_70 = lean_st_mk_ref(x_69, x_68);
-x_71 = lean_ctor_get(x_70, 0);
+uint8_t x_55; uint8_t x_56; uint8_t x_57; uint8_t x_58; uint8_t x_59; uint8_t x_60; uint8_t x_61; uint8_t x_62; uint8_t x_63; uint8_t x_64; uint8_t x_65; uint8_t x_66; uint8_t x_67; uint8_t 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_55 = lean_ctor_get_uint8(x_15, 0);
+x_56 = lean_ctor_get_uint8(x_15, 1);
+x_57 = lean_ctor_get_uint8(x_15, 2);
+x_58 = lean_ctor_get_uint8(x_15, 3);
+x_59 = lean_ctor_get_uint8(x_15, 4);
+x_60 = lean_ctor_get_uint8(x_15, 6);
+x_61 = lean_ctor_get_uint8(x_15, 7);
+x_62 = lean_ctor_get_uint8(x_15, 8);
+x_63 = lean_ctor_get_uint8(x_15, 9);
+x_64 = lean_ctor_get_uint8(x_15, 10);
+x_65 = lean_ctor_get_uint8(x_15, 11);
+x_66 = lean_ctor_get_uint8(x_15, 12);
+lean_dec(x_15);
+x_67 = lean_ctor_get_uint8(x_12, sizeof(void*)*2 + 6);
+lean_dec(x_12);
+x_68 = 2;
+x_69 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_69, 0, x_55);
+lean_ctor_set_uint8(x_69, 1, x_56);
+lean_ctor_set_uint8(x_69, 2, x_57);
+lean_ctor_set_uint8(x_69, 3, x_58);
+lean_ctor_set_uint8(x_69, 4, x_59);
+lean_ctor_set_uint8(x_69, 5, x_68);
+lean_ctor_set_uint8(x_69, 6, x_60);
+lean_ctor_set_uint8(x_69, 7, x_61);
+lean_ctor_set_uint8(x_69, 8, x_62);
+lean_ctor_set_uint8(x_69, 9, x_63);
+lean_ctor_set_uint8(x_69, 10, x_64);
+lean_ctor_set_uint8(x_69, 11, x_65);
+lean_ctor_set_uint8(x_69, 12, x_66);
+lean_ctor_set_uint8(x_69, 13, x_67);
+lean_ctor_set(x_4, 0, x_69);
+x_70 = lean_st_ref_get(x_7, x_13);
+x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_70, 1);
-lean_inc(x_72);
 lean_dec(x_70);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_71);
-x_73 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_71, x_4, x_5, x_6, x_7, x_72);
-if (lean_obj_tag(x_73) == 0)
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-lean_dec(x_4);
-lean_dec(x_6);
-lean_dec(x_5);
+x_72 = l_Lean_Meta_Simp_main___closed__1;
+x_73 = lean_st_mk_ref(x_72, x_71);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);
 lean_inc(x_75);
 lean_dec(x_73);
-x_76 = lean_st_ref_get(x_7, x_75);
-lean_dec(x_7);
-x_77 = lean_ctor_get(x_76, 1);
-lean_inc(x_77);
-lean_dec(x_76);
-x_78 = lean_st_ref_get(x_71, x_77);
-lean_dec(x_71);
-x_79 = lean_ctor_get(x_78, 1);
-lean_inc(x_79);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_80 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_80 = lean_box(0);
-}
-if (lean_is_scalar(x_80)) {
- x_81 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_81 = x_80;
-}
-lean_ctor_set(x_81, 0, x_74);
-lean_ctor_set(x_81, 1, x_79);
-return x_81;
-}
-else
-{
-lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; 
-lean_dec(x_71);
-x_82 = lean_ctor_get(x_73, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_73, 1);
-lean_inc(x_83);
-if (lean_is_exclusive(x_73)) {
- lean_ctor_release(x_73, 0);
- lean_ctor_release(x_73, 1);
- x_84 = x_73;
-} else {
- lean_dec_ref(x_73);
- x_84 = lean_box(0);
-}
-x_85 = l_Lean_Exception_isMaxHeartbeat(x_82);
-if (x_85 == 0)
-{
-lean_object* x_86; 
-lean_dec(x_4);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-if (lean_is_scalar(x_84)) {
- x_86 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_86 = x_84;
-}
-lean_ctor_set(x_86, 0, x_82);
-lean_ctor_set(x_86, 1, x_83);
-return x_86;
-}
-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_dec(x_84);
-x_87 = l_Lean_Meta_Simp_main___closed__2;
-x_88 = l_Lean_Meta_throwNestedTacticEx___rarg(x_87, x_82, x_4, x_5, x_6, x_7, x_83);
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_88, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_91 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_91 = lean_box(0);
-}
-if (lean_is_scalar(x_91)) {
- x_92 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_92 = x_91;
-}
-lean_ctor_set(x_92, 0, x_89);
-lean_ctor_set(x_92, 1, x_90);
-return x_92;
-}
-}
-}
-}
-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; uint8_t x_99; uint8_t x_100; uint8_t x_101; uint8_t x_102; uint8_t x_103; uint8_t x_104; uint8_t x_105; uint8_t x_106; uint8_t x_107; uint8_t x_108; uint8_t x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; uint8_t 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; lean_object* x_123; 
-x_93 = lean_ctor_get(x_4, 0);
-x_94 = lean_ctor_get(x_4, 1);
-x_95 = lean_ctor_get(x_4, 2);
-x_96 = lean_ctor_get(x_4, 3);
-x_97 = lean_ctor_get(x_4, 4);
-x_98 = lean_ctor_get(x_4, 5);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_4);
-x_99 = lean_ctor_get_uint8(x_93, 0);
-x_100 = lean_ctor_get_uint8(x_93, 1);
-x_101 = lean_ctor_get_uint8(x_93, 2);
-x_102 = lean_ctor_get_uint8(x_93, 3);
-x_103 = lean_ctor_get_uint8(x_93, 4);
-x_104 = lean_ctor_get_uint8(x_93, 6);
-x_105 = lean_ctor_get_uint8(x_93, 7);
-x_106 = lean_ctor_get_uint8(x_93, 8);
-x_107 = lean_ctor_get_uint8(x_93, 9);
-x_108 = lean_ctor_get_uint8(x_93, 10);
-x_109 = lean_ctor_get_uint8(x_93, 11);
-x_110 = lean_ctor_get_uint8(x_93, 12);
-if (lean_is_exclusive(x_93)) {
- x_111 = x_93;
-} else {
- lean_dec_ref(x_93);
- x_111 = lean_box(0);
-}
-x_112 = lean_ctor_get(x_2, 0);
-lean_inc(x_112);
-x_113 = lean_ctor_get_uint8(x_112, sizeof(void*)*2 + 6);
-lean_dec(x_112);
-x_114 = 2;
-if (lean_is_scalar(x_111)) {
- x_115 = lean_alloc_ctor(0, 0, 14);
-} else {
- x_115 = x_111;
-}
-lean_ctor_set_uint8(x_115, 0, x_99);
-lean_ctor_set_uint8(x_115, 1, x_100);
-lean_ctor_set_uint8(x_115, 2, x_101);
-lean_ctor_set_uint8(x_115, 3, x_102);
-lean_ctor_set_uint8(x_115, 4, x_103);
-lean_ctor_set_uint8(x_115, 5, x_114);
-lean_ctor_set_uint8(x_115, 6, x_104);
-lean_ctor_set_uint8(x_115, 7, x_105);
-lean_ctor_set_uint8(x_115, 8, x_106);
-lean_ctor_set_uint8(x_115, 9, x_107);
-lean_ctor_set_uint8(x_115, 10, x_108);
-lean_ctor_set_uint8(x_115, 11, x_109);
-lean_ctor_set_uint8(x_115, 12, x_110);
-lean_ctor_set_uint8(x_115, 13, x_113);
-x_116 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_94);
-lean_ctor_set(x_116, 2, x_95);
-lean_ctor_set(x_116, 3, x_96);
-lean_ctor_set(x_116, 4, x_97);
-lean_ctor_set(x_116, 5, x_98);
-x_117 = lean_st_ref_get(x_7, x_8);
-x_118 = lean_ctor_get(x_117, 1);
-lean_inc(x_118);
-lean_dec(x_117);
-x_119 = l_Lean_Meta_Simp_main___closed__1;
-x_120 = lean_st_mk_ref(x_119, x_118);
-x_121 = lean_ctor_get(x_120, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_120, 1);
-lean_inc(x_122);
-lean_dec(x_120);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_116);
-lean_inc(x_121);
-x_123 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_121, x_116, x_5, x_6, x_7, x_122);
-if (lean_obj_tag(x_123) == 0)
+lean_inc(x_4);
+lean_inc(x_74);
+x_76 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_74, x_4, x_5, x_6, x_7, x_75);
+if (lean_obj_tag(x_76) == 0)
 {
-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_dec(x_116);
+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_dec(x_4);
 lean_dec(x_6);
 lean_dec(x_5);
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_123, 1);
-lean_inc(x_125);
-lean_dec(x_123);
-x_126 = lean_st_ref_get(x_7, x_125);
+x_77 = lean_ctor_get(x_76, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_st_ref_get(x_7, x_78);
 lean_dec(x_7);
-x_127 = lean_ctor_get(x_126, 1);
+x_80 = lean_ctor_get(x_79, 1);
+lean_inc(x_80);
+lean_dec(x_79);
+x_81 = lean_st_ref_get(x_74, x_80);
+lean_dec(x_74);
+x_82 = lean_ctor_get(x_81, 1);
+lean_inc(x_82);
+if (lean_is_exclusive(x_81)) {
+ lean_ctor_release(x_81, 0);
+ lean_ctor_release(x_81, 1);
+ x_83 = x_81;
+} else {
+ lean_dec_ref(x_81);
+ x_83 = lean_box(0);
+}
+if (lean_is_scalar(x_83)) {
+ x_84 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_84 = x_83;
+}
+lean_ctor_set(x_84, 0, x_77);
+lean_ctor_set(x_84, 1, x_82);
+return x_84;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
+lean_dec(x_74);
+x_85 = lean_ctor_get(x_76, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_76, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ x_87 = x_76;
+} else {
+ lean_dec_ref(x_76);
+ x_87 = lean_box(0);
+}
+x_88 = l_Lean_Exception_isMaxHeartbeat(x_85);
+if (x_88 == 0)
+{
+lean_object* x_89; 
+lean_dec(x_4);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+if (lean_is_scalar(x_87)) {
+ x_89 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_89 = x_87;
+}
+lean_ctor_set(x_89, 0, x_85);
+lean_ctor_set(x_89, 1, x_86);
+return x_89;
+}
+else
+{
+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_dec(x_87);
+x_90 = l_Lean_Meta_Simp_main___closed__2;
+x_91 = l_Lean_Meta_throwNestedTacticEx___rarg(x_90, x_85, x_4, x_5, x_6, x_7, x_86);
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 1);
+lean_inc(x_93);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_94 = x_91;
+} else {
+ lean_dec_ref(x_91);
+ x_94 = lean_box(0);
+}
+if (lean_is_scalar(x_94)) {
+ x_95 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_95 = x_94;
+}
+lean_ctor_set(x_95, 0, x_92);
+lean_ctor_set(x_95, 1, x_93);
+return x_95;
+}
+}
+}
+}
+else
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; uint8_t x_103; uint8_t x_104; uint8_t x_105; uint8_t x_106; uint8_t x_107; uint8_t x_108; uint8_t x_109; uint8_t x_110; uint8_t x_111; uint8_t x_112; uint8_t x_113; lean_object* x_114; uint8_t x_115; uint8_t 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_96 = lean_ctor_get(x_4, 0);
+x_97 = lean_ctor_get(x_4, 1);
+x_98 = lean_ctor_get(x_4, 2);
+x_99 = lean_ctor_get(x_4, 3);
+x_100 = lean_ctor_get(x_4, 4);
+x_101 = lean_ctor_get(x_4, 5);
+lean_inc(x_101);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_inc(x_97);
+lean_inc(x_96);
+lean_dec(x_4);
+x_102 = lean_ctor_get_uint8(x_96, 0);
+x_103 = lean_ctor_get_uint8(x_96, 1);
+x_104 = lean_ctor_get_uint8(x_96, 2);
+x_105 = lean_ctor_get_uint8(x_96, 3);
+x_106 = lean_ctor_get_uint8(x_96, 4);
+x_107 = lean_ctor_get_uint8(x_96, 6);
+x_108 = lean_ctor_get_uint8(x_96, 7);
+x_109 = lean_ctor_get_uint8(x_96, 8);
+x_110 = lean_ctor_get_uint8(x_96, 9);
+x_111 = lean_ctor_get_uint8(x_96, 10);
+x_112 = lean_ctor_get_uint8(x_96, 11);
+x_113 = lean_ctor_get_uint8(x_96, 12);
+if (lean_is_exclusive(x_96)) {
+ x_114 = x_96;
+} else {
+ lean_dec_ref(x_96);
+ x_114 = lean_box(0);
+}
+x_115 = lean_ctor_get_uint8(x_12, sizeof(void*)*2 + 6);
+lean_dec(x_12);
+x_116 = 2;
+if (lean_is_scalar(x_114)) {
+ x_117 = lean_alloc_ctor(0, 0, 14);
+} else {
+ x_117 = x_114;
+}
+lean_ctor_set_uint8(x_117, 0, x_102);
+lean_ctor_set_uint8(x_117, 1, x_103);
+lean_ctor_set_uint8(x_117, 2, x_104);
+lean_ctor_set_uint8(x_117, 3, x_105);
+lean_ctor_set_uint8(x_117, 4, x_106);
+lean_ctor_set_uint8(x_117, 5, x_116);
+lean_ctor_set_uint8(x_117, 6, x_107);
+lean_ctor_set_uint8(x_117, 7, x_108);
+lean_ctor_set_uint8(x_117, 8, x_109);
+lean_ctor_set_uint8(x_117, 9, x_110);
+lean_ctor_set_uint8(x_117, 10, x_111);
+lean_ctor_set_uint8(x_117, 11, x_112);
+lean_ctor_set_uint8(x_117, 12, x_113);
+lean_ctor_set_uint8(x_117, 13, x_115);
+x_118 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_97);
+lean_ctor_set(x_118, 2, x_98);
+lean_ctor_set(x_118, 3, x_99);
+lean_ctor_set(x_118, 4, x_100);
+lean_ctor_set(x_118, 5, x_101);
+x_119 = lean_st_ref_get(x_7, x_13);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = l_Lean_Meta_Simp_main___closed__1;
+x_122 = lean_st_mk_ref(x_121, x_120);
+x_123 = lean_ctor_get(x_122, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_122, 1);
+lean_inc(x_124);
+lean_dec(x_122);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_118);
+lean_inc(x_123);
+x_125 = l_Lean_Meta_Simp_simp(x_1, x_3, x_2, x_123, x_118, x_5, x_6, x_7, x_124);
+if (lean_obj_tag(x_125) == 0)
+{
+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_dec(x_118);
+lean_dec(x_6);
+lean_dec(x_5);
+x_126 = lean_ctor_get(x_125, 0);
+lean_inc(x_126);
+x_127 = lean_ctor_get(x_125, 1);
 lean_inc(x_127);
-lean_dec(x_126);
-x_128 = lean_st_ref_get(x_121, x_127);
-lean_dec(x_121);
+lean_dec(x_125);
+x_128 = lean_st_ref_get(x_7, x_127);
+lean_dec(x_7);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-if (lean_is_exclusive(x_128)) {
- lean_ctor_release(x_128, 0);
- lean_ctor_release(x_128, 1);
- x_130 = x_128;
+lean_dec(x_128);
+x_130 = lean_st_ref_get(x_123, x_129);
+lean_dec(x_123);
+x_131 = lean_ctor_get(x_130, 1);
+lean_inc(x_131);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_132 = x_130;
 } else {
- lean_dec_ref(x_128);
- x_130 = lean_box(0);
+ lean_dec_ref(x_130);
+ x_132 = lean_box(0);
 }
-if (lean_is_scalar(x_130)) {
- x_131 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_132)) {
+ x_133 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_131 = x_130;
+ x_133 = x_132;
 }
-lean_ctor_set(x_131, 0, x_124);
-lean_ctor_set(x_131, 1, x_129);
-return x_131;
+lean_ctor_set(x_133, 0, x_126);
+lean_ctor_set(x_133, 1, x_131);
+return x_133;
 }
 else
 {
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; 
-lean_dec(x_121);
-x_132 = lean_ctor_get(x_123, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_123, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_123)) {
- lean_ctor_release(x_123, 0);
- lean_ctor_release(x_123, 1);
- x_134 = x_123;
+lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
+lean_dec(x_123);
+x_134 = lean_ctor_get(x_125, 0);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_125, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_136 = x_125;
 } else {
- lean_dec_ref(x_123);
- x_134 = lean_box(0);
+ lean_dec_ref(x_125);
+ x_136 = lean_box(0);
 }
-x_135 = l_Lean_Exception_isMaxHeartbeat(x_132);
-if (x_135 == 0)
+x_137 = l_Lean_Exception_isMaxHeartbeat(x_134);
+if (x_137 == 0)
 {
-lean_object* x_136; 
-lean_dec(x_116);
+lean_object* x_138; 
+lean_dec(x_118);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-if (lean_is_scalar(x_134)) {
- x_136 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_136)) {
+ x_138 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_136 = x_134;
+ x_138 = x_136;
 }
-lean_ctor_set(x_136, 0, x_132);
-lean_ctor_set(x_136, 1, x_133);
-return x_136;
+lean_ctor_set(x_138, 0, x_134);
+lean_ctor_set(x_138, 1, x_135);
+return x_138;
 }
 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_dec(x_134);
-x_137 = l_Lean_Meta_Simp_main___closed__2;
-x_138 = l_Lean_Meta_throwNestedTacticEx___rarg(x_137, x_132, x_116, x_5, x_6, x_7, x_133);
-x_139 = lean_ctor_get(x_138, 0);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_138, 1);
-lean_inc(x_140);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- x_141 = x_138;
+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_dec(x_136);
+x_139 = l_Lean_Meta_Simp_main___closed__2;
+x_140 = l_Lean_Meta_throwNestedTacticEx___rarg(x_139, x_134, x_118, x_5, x_6, x_7, x_135);
+x_141 = lean_ctor_get(x_140, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_140, 1);
+lean_inc(x_142);
+if (lean_is_exclusive(x_140)) {
+ lean_ctor_release(x_140, 0);
+ lean_ctor_release(x_140, 1);
+ x_143 = x_140;
 } else {
- lean_dec_ref(x_138);
- x_141 = lean_box(0);
+ lean_dec_ref(x_140);
+ x_143 = lean_box(0);
 }
-if (lean_is_scalar(x_141)) {
- x_142 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_143)) {
+ x_144 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_142 = x_141;
+ x_144 = x_143;
 }
-lean_ctor_set(x_142, 0, x_139);
-lean_ctor_set(x_142, 1, x_140);
-return x_142;
+lean_ctor_set(x_144, 0, x_141);
+lean_ctor_set(x_144, 1, x_142);
+return x_144;
+}
+}
+}
+}
+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; uint8_t x_161; uint8_t x_162; uint8_t x_163; uint8_t x_164; uint8_t x_165; uint8_t x_166; uint8_t x_167; uint8_t x_168; uint8_t x_169; uint8_t x_170; uint8_t x_171; uint8_t x_172; lean_object* x_173; uint8_t x_174; uint8_t 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_145 = lean_ctor_get(x_2, 0);
+x_146 = lean_ctor_get(x_2, 1);
+x_147 = lean_ctor_get(x_2, 2);
+x_148 = lean_ctor_get(x_2, 3);
+x_149 = lean_ctor_get(x_2, 4);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_inc(x_147);
+lean_inc(x_146);
+lean_inc(x_145);
+lean_dec(x_2);
+x_150 = l_Lean_Meta_Simp_Config_updateArith(x_145, x_6, x_7, x_8);
+x_151 = lean_ctor_get(x_150, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_150, 1);
+lean_inc(x_152);
+lean_dec(x_150);
+lean_inc(x_151);
+x_153 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_153, 0, x_151);
+lean_ctor_set(x_153, 1, x_146);
+lean_ctor_set(x_153, 2, x_147);
+lean_ctor_set(x_153, 3, x_148);
+lean_ctor_set(x_153, 4, x_149);
+x_154 = lean_ctor_get(x_4, 0);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_4, 1);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_4, 2);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_4, 3);
+lean_inc(x_157);
+x_158 = lean_ctor_get(x_4, 4);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_4, 5);
+lean_inc(x_159);
+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_160 = x_4;
+} else {
+ lean_dec_ref(x_4);
+ x_160 = lean_box(0);
+}
+x_161 = lean_ctor_get_uint8(x_154, 0);
+x_162 = lean_ctor_get_uint8(x_154, 1);
+x_163 = lean_ctor_get_uint8(x_154, 2);
+x_164 = lean_ctor_get_uint8(x_154, 3);
+x_165 = lean_ctor_get_uint8(x_154, 4);
+x_166 = lean_ctor_get_uint8(x_154, 6);
+x_167 = lean_ctor_get_uint8(x_154, 7);
+x_168 = lean_ctor_get_uint8(x_154, 8);
+x_169 = lean_ctor_get_uint8(x_154, 9);
+x_170 = lean_ctor_get_uint8(x_154, 10);
+x_171 = lean_ctor_get_uint8(x_154, 11);
+x_172 = lean_ctor_get_uint8(x_154, 12);
+if (lean_is_exclusive(x_154)) {
+ x_173 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_173 = lean_box(0);
+}
+x_174 = lean_ctor_get_uint8(x_151, sizeof(void*)*2 + 6);
+lean_dec(x_151);
+x_175 = 2;
+if (lean_is_scalar(x_173)) {
+ x_176 = lean_alloc_ctor(0, 0, 14);
+} else {
+ x_176 = x_173;
+}
+lean_ctor_set_uint8(x_176, 0, x_161);
+lean_ctor_set_uint8(x_176, 1, x_162);
+lean_ctor_set_uint8(x_176, 2, x_163);
+lean_ctor_set_uint8(x_176, 3, x_164);
+lean_ctor_set_uint8(x_176, 4, x_165);
+lean_ctor_set_uint8(x_176, 5, x_175);
+lean_ctor_set_uint8(x_176, 6, x_166);
+lean_ctor_set_uint8(x_176, 7, x_167);
+lean_ctor_set_uint8(x_176, 8, x_168);
+lean_ctor_set_uint8(x_176, 9, x_169);
+lean_ctor_set_uint8(x_176, 10, x_170);
+lean_ctor_set_uint8(x_176, 11, x_171);
+lean_ctor_set_uint8(x_176, 12, x_172);
+lean_ctor_set_uint8(x_176, 13, x_174);
+if (lean_is_scalar(x_160)) {
+ x_177 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_177 = x_160;
+}
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_155);
+lean_ctor_set(x_177, 2, x_156);
+lean_ctor_set(x_177, 3, x_157);
+lean_ctor_set(x_177, 4, x_158);
+lean_ctor_set(x_177, 5, x_159);
+x_178 = lean_st_ref_get(x_7, x_152);
+x_179 = lean_ctor_get(x_178, 1);
+lean_inc(x_179);
+lean_dec(x_178);
+x_180 = l_Lean_Meta_Simp_main___closed__1;
+x_181 = lean_st_mk_ref(x_180, x_179);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_177);
+lean_inc(x_182);
+x_184 = l_Lean_Meta_Simp_simp(x_1, x_3, x_153, x_182, x_177, x_5, x_6, x_7, x_183);
+if (lean_obj_tag(x_184) == 0)
+{
+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_dec(x_177);
+lean_dec(x_6);
+lean_dec(x_5);
+x_185 = lean_ctor_get(x_184, 0);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_184, 1);
+lean_inc(x_186);
+lean_dec(x_184);
+x_187 = lean_st_ref_get(x_7, x_186);
+lean_dec(x_7);
+x_188 = lean_ctor_get(x_187, 1);
+lean_inc(x_188);
+lean_dec(x_187);
+x_189 = lean_st_ref_get(x_182, x_188);
+lean_dec(x_182);
+x_190 = lean_ctor_get(x_189, 1);
+lean_inc(x_190);
+if (lean_is_exclusive(x_189)) {
+ lean_ctor_release(x_189, 0);
+ lean_ctor_release(x_189, 1);
+ x_191 = x_189;
+} else {
+ lean_dec_ref(x_189);
+ x_191 = lean_box(0);
+}
+if (lean_is_scalar(x_191)) {
+ x_192 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_192 = x_191;
+}
+lean_ctor_set(x_192, 0, x_185);
+lean_ctor_set(x_192, 1, x_190);
+return x_192;
+}
+else
+{
+lean_object* x_193; lean_object* x_194; lean_object* x_195; uint8_t x_196; 
+lean_dec(x_182);
+x_193 = lean_ctor_get(x_184, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_184, 1);
+lean_inc(x_194);
+if (lean_is_exclusive(x_184)) {
+ lean_ctor_release(x_184, 0);
+ lean_ctor_release(x_184, 1);
+ x_195 = x_184;
+} else {
+ lean_dec_ref(x_184);
+ x_195 = lean_box(0);
+}
+x_196 = l_Lean_Exception_isMaxHeartbeat(x_193);
+if (x_196 == 0)
+{
+lean_object* x_197; 
+lean_dec(x_177);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+if (lean_is_scalar(x_195)) {
+ x_197 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_197 = x_195;
+}
+lean_ctor_set(x_197, 0, x_193);
+lean_ctor_set(x_197, 1, x_194);
+return x_197;
+}
+else
+{
+lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+lean_dec(x_195);
+x_198 = l_Lean_Meta_Simp_main___closed__2;
+x_199 = l_Lean_Meta_throwNestedTacticEx___rarg(x_198, x_193, x_177, x_5, x_6, x_7, x_194);
+x_200 = lean_ctor_get(x_199, 0);
+lean_inc(x_200);
+x_201 = lean_ctor_get(x_199, 1);
+lean_inc(x_201);
+if (lean_is_exclusive(x_199)) {
+ lean_ctor_release(x_199, 0);
+ lean_ctor_release(x_199, 1);
+ x_202 = x_199;
+} else {
+ lean_dec_ref(x_199);
+ x_202 = lean_box(0);
+}
+if (lean_is_scalar(x_202)) {
+ x_203 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_203 = x_202;
+}
+lean_ctor_set(x_203, 0, x_200);
+lean_ctor_set(x_203, 1, x_201);
+return x_203;
 }
 }
 }
@@ -41247,6 +41423,22 @@ lean_dec_ref(res);
 lean_mark_persistent(l_Lean_Meta_Simp_throwCongrHypothesisFailed___rarg___closed__1);
 l_Lean_Meta_Simp_throwCongrHypothesisFailed___rarg___closed__2 = _init_l_Lean_Meta_Simp_throwCongrHypothesisFailed___rarg___closed__2();
 lean_mark_persistent(l_Lean_Meta_Simp_throwCongrHypothesisFailed___rarg___closed__2);
+l_Lean_Meta_Simp_Config_updateArith___closed__1 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__1();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__1);
+l_Lean_Meta_Simp_Config_updateArith___closed__2 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__2();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__2);
+l_Lean_Meta_Simp_Config_updateArith___closed__3 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__3();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__3);
+l_Lean_Meta_Simp_Config_updateArith___closed__4 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__4();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__4);
+l_Lean_Meta_Simp_Config_updateArith___closed__5 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__5();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__5);
+l_Lean_Meta_Simp_Config_updateArith___closed__6 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__6();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__6);
+l_Lean_Meta_Simp_Config_updateArith___closed__7 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__7();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__7);
+l_Lean_Meta_Simp_Config_updateArith___closed__8 = _init_l_Lean_Meta_Simp_Config_updateArith___closed__8();
+lean_mark_persistent(l_Lean_Meta_Simp_Config_updateArith___closed__8);
 l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__1 = _init_l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__1);
 l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__2 = _init_l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__2();
@@ -41301,10 +41493,6 @@ l_Lean_Meta_Simp_removeUnnecessaryCasts_isDummyEqRec___closed__8 = _init_l_Lean_
 lean_mark_persistent(l_Lean_Meta_Simp_removeUnnecessaryCasts_isDummyEqRec___closed__8);
 l_Lean_Meta_Simp_simp_simpLit___closed__1 = _init_l_Lean_Meta_Simp_simp_simpLit___closed__1();
 lean_mark_persistent(l_Lean_Meta_Simp_simp_simpLit___closed__1);
-l_Lean_Meta_Simp_simp_simpLit___closed__2 = _init_l_Lean_Meta_Simp_simp_simpLit___closed__2();
-lean_mark_persistent(l_Lean_Meta_Simp_simp_simpLit___closed__2);
-l_Lean_Meta_Simp_simp_simpLit___closed__3 = _init_l_Lean_Meta_Simp_simp_simpLit___closed__3();
-lean_mark_persistent(l_Lean_Meta_Simp_simp_simpLit___closed__3);
 l_Lean_Meta_Simp_simp_simpLoop___closed__1 = _init_l_Lean_Meta_Simp_simp_simpLoop___closed__1();
 lean_mark_persistent(l_Lean_Meta_Simp_simp_simpLoop___closed__1);
 l_Lean_Meta_Simp_simp_simpLoop___closed__2 = _init_l_Lean_Meta_Simp_simp_simpLoop___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
index fd33800368..64704e1ee0 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Meta.Tactic.Simp.Rewrite
-// Imports: Init Lean.Meta.ACLt Lean.Meta.AppBuilder Lean.Meta.SynthInstance Lean.Meta.Tactic.Simp.Types
+// Imports: Init Lean.Meta.ACLt Lean.Meta.AppBuilder Lean.Meta.SynthInstance Lean.Meta.Tactic.Simp.Types Lean.Meta.Tactic.LinearArith.Simp
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -33,7 +33,6 @@ lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Lean_Meta_ACLt_lt(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at_Lean_Meta_Simp_tryTheoremWithExtraArgs_x3f___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__4;
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__1;
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__6;
@@ -49,10 +48,12 @@ static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesiz
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__5;
 uint8_t lean_name_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constructorApp_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkCongrFun(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_synthesizeArgs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__1;
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__10;
@@ -75,6 +76,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesize
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__14;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewrite___closed__9;
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__1;
 lean_object* lean_nat_add(lean_object*, lean_object*);
@@ -91,6 +93,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__8;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -156,6 +159,7 @@ uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__12;
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewrite___closed__1;
@@ -165,6 +169,7 @@ static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed_
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewritePre___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_andThen(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_insertionSort_swapLoop___at_Lean_Meta_Simp_rewrite___spec__2(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -180,7 +185,9 @@ static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed_
 lean_object* l_Lean_Meta_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_hasAssignableMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_Linear_simp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_Simp_Step_result(lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__1;
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
@@ -193,7 +200,9 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryTheorem_x3f(lean_object*, lean_obje
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at_Lean_Meta_Simp_tryTheoremWithExtraArgs_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__3;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__11;
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_Simp_tryTheoremWithExtraArgs_x3f___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqFalse_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -209,9 +218,9 @@ lean_object* l_Lean_Meta_mkNoConfusion(lean_object*, lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_rewrite___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_insertionSort_traverse___at_Lean_Meta_Simp_rewrite___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2;
+lean_object* l_Lean_Meta_Simp_Step_updateResult(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__7;
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__16;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__9;
@@ -224,6 +233,7 @@ lean_object* l_Lean_Meta_isProp(lean_object*, lean_object*, lean_object*, lean_o
 lean_object* l_Lean_indentExpr(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_synthesizeArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__1___closed__2;
 uint8_t l_Std_PersistentHashMap_contains___at_Lean_NameSSet_contains___spec__3(lean_object*, lean_object*);
@@ -233,8 +243,281 @@ static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__16;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite_inErasedSet___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__1___lambda__2___closed__3;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_mkEqTrans(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = lean_ctor_get(x_1, 1);
+lean_inc(x_8);
+lean_dec(x_1);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_2);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; 
+x_10 = lean_ctor_get(x_2, 1);
+lean_inc(x_10);
+if (lean_obj_tag(x_10) == 0)
+{
+uint8_t x_11; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_11 = !lean_is_exclusive(x_2);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_2, 1);
+lean_dec(x_12);
+lean_ctor_set(x_2, 1, x_8);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_2);
+lean_ctor_set(x_13, 1, x_7);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_2, 0);
+lean_inc(x_14);
+lean_dec(x_2);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_8);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_7);
+return x_16;
+}
+}
+else
+{
+lean_object* x_17; uint8_t x_18; 
+x_17 = lean_ctor_get(x_8, 0);
+lean_inc(x_17);
+lean_dec(x_8);
+x_18 = !lean_is_exclusive(x_2);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; uint8_t x_21; 
+x_19 = lean_ctor_get(x_2, 0);
+x_20 = lean_ctor_get(x_2, 1);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_10);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_10, 0);
+x_23 = l_Lean_Meta_mkEqTrans(x_17, x_22, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_23) == 0)
+{
+uint8_t x_24; 
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
+{
+lean_object* x_25; 
+x_25 = lean_ctor_get(x_23, 0);
+lean_ctor_set(x_10, 0, x_25);
+lean_ctor_set(x_23, 0, x_2);
+return x_23;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_23, 0);
+x_27 = lean_ctor_get(x_23, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_23);
+lean_ctor_set(x_10, 0, x_26);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_2);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+else
+{
+uint8_t x_29; 
+lean_free_object(x_10);
+lean_free_object(x_2);
+lean_dec(x_19);
+x_29 = !lean_is_exclusive(x_23);
+if (x_29 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_23, 0);
+x_31 = lean_ctor_get(x_23, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_23);
+x_32 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+return x_32;
+}
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_10, 0);
+lean_inc(x_33);
+lean_dec(x_10);
+x_34 = l_Lean_Meta_mkEqTrans(x_17, x_33, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_34) == 0)
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+if (lean_is_exclusive(x_34)) {
+ lean_ctor_release(x_34, 0);
+ lean_ctor_release(x_34, 1);
+ x_37 = x_34;
+} else {
+ lean_dec_ref(x_34);
+ x_37 = lean_box(0);
+}
+x_38 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_38, 0, x_35);
+lean_ctor_set(x_2, 1, x_38);
+if (lean_is_scalar(x_37)) {
+ x_39 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_39 = x_37;
+}
+lean_ctor_set(x_39, 0, x_2);
+lean_ctor_set(x_39, 1, x_36);
+return x_39;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+lean_free_object(x_2);
+lean_dec(x_19);
+x_40 = lean_ctor_get(x_34, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_34, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_34)) {
+ lean_ctor_release(x_34, 0);
+ lean_ctor_release(x_34, 1);
+ x_42 = x_34;
+} else {
+ lean_dec_ref(x_34);
+ x_42 = lean_box(0);
+}
+if (lean_is_scalar(x_42)) {
+ x_43 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_43 = x_42;
+}
+lean_ctor_set(x_43, 0, x_40);
+lean_ctor_set(x_43, 1, x_41);
+return x_43;
+}
+}
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_2, 0);
+lean_inc(x_44);
+lean_dec(x_2);
+x_45 = lean_ctor_get(x_10, 0);
+lean_inc(x_45);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ x_46 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_46 = lean_box(0);
+}
+x_47 = l_Lean_Meta_mkEqTrans(x_17, x_45, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_47) == 0)
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_50 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_50 = lean_box(0);
+}
+if (lean_is_scalar(x_46)) {
+ x_51 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_51 = x_46;
+}
+lean_ctor_set(x_51, 0, x_48);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_44);
+lean_ctor_set(x_52, 1, x_51);
+if (lean_is_scalar(x_50)) {
+ x_53 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_53 = x_50;
+}
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_49);
+return x_53;
+}
+else
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+lean_dec(x_46);
+lean_dec(x_44);
+x_54 = lean_ctor_get(x_47, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_47, 1);
+lean_inc(x_55);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_56 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_56 = lean_box(0);
+}
+if (lean_is_scalar(x_56)) {
+ x_57 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_57 = x_56;
+}
+lean_ctor_set(x_57, 0, x_54);
+lean_ctor_set(x_57, 1, x_55);
+return x_57;
+}
+}
+}
+}
+}
+}
 static lean_object* _init_l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__1() {
 _start:
 {
@@ -7424,6 +7707,165 @@ lean_dec(x_2);
 return x_10;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_andThen(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) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_12 = lean_apply_8(x_2, x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_14 = !lean_is_exclusive(x_12);
+if (x_14 == 0)
+{
+lean_object* x_15; 
+x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_15);
+lean_ctor_set(x_12, 0, x_1);
+return x_12;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_12, 1);
+lean_inc(x_16);
+lean_dec(x_12);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_1);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+lean_dec(x_1);
+x_18 = lean_ctor_get(x_12, 1);
+lean_inc(x_18);
+lean_dec(x_12);
+x_19 = lean_ctor_get(x_13, 0);
+lean_inc(x_19);
+lean_dec(x_13);
+x_20 = l_Lean_Meta_Simp_Step_result(x_19);
+x_21 = l_Lean_Meta_Simp_mkEqTrans(x_10, x_20, x_5, x_6, x_7, x_8, x_18);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+x_24 = l_Lean_Meta_Simp_Step_updateResult(x_19, x_23);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_21, 0);
+x_26 = lean_ctor_get(x_21, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_21);
+x_27 = l_Lean_Meta_Simp_Step_updateResult(x_19, x_25);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+return x_28;
+}
+}
+else
+{
+uint8_t x_29; 
+lean_dec(x_19);
+x_29 = !lean_is_exclusive(x_21);
+if (x_29 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_21, 0);
+x_31 = lean_ctor_get(x_21, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_21);
+x_32 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+return x_32;
+}
+}
+}
+}
+else
+{
+uint8_t x_33; 
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_33 = !lean_is_exclusive(x_12);
+if (x_33 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_12, 0);
+x_35 = lean_ctor_get(x_12, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_12);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+}
+else
+{
+lean_object* x_37; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_1);
+lean_ctor_set(x_37, 1, x_9);
+return x_37;
+}
+}
+}
 static lean_object* _init_l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__1() {
 _start:
 {
@@ -8683,100 +9125,137 @@ return x_229;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq(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_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
+lean_object* x_9; 
+x_9 = l_Lean_Meta_Simp_rewriteCtorEq_x3f(x_1, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
 lean_object* x_10; 
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_10 = l_Lean_Meta_Simp_rewriteCtorEq_x3f(x_1, x_5, x_6, x_7, x_8, x_9);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
 if (lean_obj_tag(x_10) == 0)
 {
-lean_object* x_11; 
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-if (lean_obj_tag(x_11) == 0)
+uint8_t x_11; 
+x_11 = !lean_is_exclusive(x_9);
+if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; 
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_apply_7(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
-return x_13;
+x_12 = lean_ctor_get(x_9, 0);
+lean_dec(x_12);
+x_13 = lean_box(0);
+lean_ctor_set(x_9, 0, x_13);
+return x_9;
 }
 else
 {
-uint8_t x_14; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_14 = !lean_is_exclusive(x_10);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_10, 0);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_11, 0);
-lean_inc(x_16);
-lean_dec(x_11);
-x_17 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_10, 0, x_17);
-return x_10;
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_9, 1);
+lean_inc(x_14);
+lean_dec(x_9);
+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_14);
+return x_16;
+}
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_18 = lean_ctor_get(x_10, 1);
-lean_inc(x_18);
-lean_dec(x_10);
-x_19 = lean_ctor_get(x_11, 0);
-lean_inc(x_19);
-lean_dec(x_11);
-x_20 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-x_21 = lean_alloc_ctor(0, 2, 0);
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_9);
+if (x_17 == 0)
+{
+lean_object* x_18; uint8_t x_19; 
+x_18 = lean_ctor_get(x_9, 0);
+lean_dec(x_18);
+x_19 = !lean_is_exclusive(x_10);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_10, 0);
+x_21 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_18);
-return x_21;
+lean_ctor_set(x_10, 0, x_21);
+return x_9;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_10, 0);
+lean_inc(x_22);
+lean_dec(x_10);
+x_23 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_9, 0, x_24);
+return x_9;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_25 = lean_ctor_get(x_9, 1);
+lean_inc(x_25);
+lean_dec(x_9);
+x_26 = lean_ctor_get(x_10, 0);
+lean_inc(x_26);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ x_27 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_27 = lean_box(0);
+}
+x_28 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_28, 0, x_26);
+if (lean_is_scalar(x_27)) {
+ x_29 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_29 = x_27;
+}
+lean_ctor_set(x_29, 0, x_28);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_25);
+return x_30;
 }
 }
 }
 else
 {
-uint8_t x_22; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
+uint8_t x_31; 
+x_31 = !lean_is_exclusive(x_9);
+if (x_31 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_9, 0);
+x_33 = lean_ctor_get(x_9, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_9);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_Simp_tryRewriteCtorEq_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_3);
 lean_dec(x_2);
-x_22 = !lean_is_exclusive(x_10);
-if (x_22 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_10, 0);
-x_24 = lean_ctor_get(x_10, 1);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_dec(x_10);
-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;
-}
-}
+return x_9;
 }
 }
 static lean_object* _init_l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__1() {
@@ -10461,82 +10940,335 @@ return x_390;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide(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_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_10; uint8_t x_11; 
-x_10 = lean_ctor_get(x_3, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get_uint8(x_10, sizeof(void*)*2 + 9);
-lean_dec(x_10);
-if (x_11 == 0)
+lean_object* x_9; uint8_t x_10; 
+x_9 = lean_ctor_get(x_2, 0);
+x_10 = lean_ctor_get_uint8(x_9, sizeof(void*)*2 + 9);
+if (x_10 == 0)
 {
-lean_object* x_12; 
+lean_object* x_11; lean_object* x_12; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_1);
-x_12 = lean_apply_7(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = lean_box(0);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
 return x_12;
 }
 else
 {
 lean_object* x_13; lean_object* x_14; 
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_13 = l_Lean_Meta_Simp_rewriteUsingDecide_x3f(x_1, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Lean_Meta_Simp_rewriteUsingDecide_x3f(x_1, x_4, x_5, x_6, x_7, x_8);
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
 if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_apply_7(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-return x_16;
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_13);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_13, 0);
+lean_dec(x_16);
+x_17 = lean_box(0);
+lean_ctor_set(x_13, 0, x_17);
+return x_13;
 }
 else
 {
-uint8_t x_17; 
-lean_dec(x_8);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_13, 1);
+lean_inc(x_18);
+lean_dec(x_13);
+x_19 = lean_box(0);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+return x_20;
+}
+}
+else
+{
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_13);
+if (x_21 == 0)
+{
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_13, 0);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_14);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_ctor_get(x_14, 0);
+x_25 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_14, 0, x_25);
+return x_13;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_14, 0);
+lean_inc(x_26);
+lean_dec(x_14);
+x_27 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_27, 0, x_26);
+x_28 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_13, 0, x_28);
+return x_13;
+}
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_29 = lean_ctor_get(x_13, 1);
+lean_inc(x_29);
+lean_dec(x_13);
+x_30 = lean_ctor_get(x_14, 0);
+lean_inc(x_30);
+if (lean_is_exclusive(x_14)) {
+ lean_ctor_release(x_14, 0);
+ x_31 = x_14;
+} else {
+ lean_dec_ref(x_14);
+ x_31 = lean_box(0);
+}
+x_32 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_32, 0, x_30);
+if (lean_is_scalar(x_31)) {
+ x_33 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_33 = x_31;
+}
+lean_ctor_set(x_33, 0, x_32);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_29);
+return x_34;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteUsingDecide_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_Simp_tryRewriteUsingDecide_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f___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) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; 
+x_10 = lean_ctor_get(x_3, 3);
+lean_inc(x_10);
+lean_dec(x_3);
+x_11 = l_Lean_Meta_Linear_simp_x3f(x_1, x_10, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+if (lean_obj_tag(x_12) == 0)
+{
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_11, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_11, 0, x_15);
+return x_11;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_11, 1);
+lean_inc(x_16);
+lean_dec(x_11);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
+{
+uint8_t x_20; 
+x_20 = !lean_is_exclusive(x_11);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_21 = lean_ctor_get(x_12, 0);
+x_22 = lean_ctor_get(x_11, 0);
+lean_dec(x_22);
+x_23 = lean_ctor_get(x_21, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+lean_dec(x_21);
+lean_ctor_set(x_12, 0, x_24);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_12);
+x_26 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_26, 0, x_25);
+x_27 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_11, 0, x_27);
+return x_11;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_28 = lean_ctor_get(x_12, 0);
+x_29 = lean_ctor_get(x_11, 1);
+lean_inc(x_29);
+lean_dec(x_11);
+x_30 = lean_ctor_get(x_28, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_28, 1);
+lean_inc(x_31);
+lean_dec(x_28);
+lean_ctor_set(x_12, 0, x_31);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_12);
+x_33 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_33, 0, x_32);
+x_34 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_34, 0, x_33);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_29);
+return x_35;
+}
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_36 = lean_ctor_get(x_12, 0);
+lean_inc(x_36);
+lean_dec(x_12);
+x_37 = lean_ctor_get(x_11, 1);
+lean_inc(x_37);
+if (lean_is_exclusive(x_11)) {
+ lean_ctor_release(x_11, 0);
+ lean_ctor_release(x_11, 1);
+ x_38 = x_11;
+} else {
+ lean_dec_ref(x_11);
+ x_38 = lean_box(0);
+}
+x_39 = lean_ctor_get(x_36, 0);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_36, 1);
+lean_inc(x_40);
+lean_dec(x_36);
+x_41 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_41, 0, x_40);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_39);
+lean_ctor_set(x_42, 1, x_41);
+x_43 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_43, 0, x_42);
+x_44 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_44, 0, x_43);
+if (lean_is_scalar(x_38)) {
+ x_45 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_45 = x_38;
+}
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_37);
+return x_45;
+}
+}
+}
+else
+{
+uint8_t x_46; 
+x_46 = !lean_is_exclusive(x_11);
+if (x_46 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_11, 0);
+x_48 = lean_ctor_get(x_11, 1);
+lean_inc(x_48);
+lean_inc(x_47);
+lean_dec(x_11);
+x_49 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
+return x_49;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; uint8_t x_10; 
+x_9 = lean_ctor_get(x_2, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get_uint8(x_9, sizeof(void*)*2 + 10);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_17 = !lean_is_exclusive(x_13);
-if (x_17 == 0)
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_13, 0);
-lean_dec(x_18);
-x_19 = lean_ctor_get(x_14, 0);
-lean_inc(x_19);
-lean_dec(x_14);
-x_20 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_13, 0, x_20);
-return x_13;
+lean_dec(x_1);
+x_11 = lean_box(0);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
+return x_12;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_21 = lean_ctor_get(x_13, 1);
-lean_inc(x_21);
-lean_dec(x_13);
-x_22 = lean_ctor_get(x_14, 0);
-lean_inc(x_22);
-lean_dec(x_14);
-x_23 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_23, 0, x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_21);
-return x_24;
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_box(0);
+x_14 = l_Lean_Meta_Simp_simpArith_x3f___lambda__1(x_1, x_13, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_3);
+return x_14;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_Simp_simpArith_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_10;
 }
 }
 static lean_object* _init_l_Lean_Meta_Simp_rewritePre___closed__1() {
@@ -10695,8 +11427,8 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_1);
-x_10 = l_Lean_Meta_Simp_rewriteCtorEq_x3f(x_1, x_5, x_6, x_7, x_8, x_9);
+lean_inc(x_3);
+x_10 = l_Lean_Meta_Simp_rewritePre(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_10) == 0)
 {
 lean_object* x_11; 
@@ -10704,84 +11436,225 @@ x_11 = lean_ctor_get(x_10, 0);
 lean_inc(x_11);
 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; lean_object* x_15; lean_object* x_16; lean_object* x_33; uint8_t x_34; 
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
-lean_dec(x_10);
-x_13 = l_Lean_Meta_Simp_rewritePre(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
-return x_13;
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_13 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_13 = lean_box(0);
+}
+x_14 = lean_ctor_get(x_11, 0);
+lean_inc(x_14);
+x_33 = lean_ctor_get(x_3, 0);
+lean_inc(x_33);
+lean_dec(x_3);
+x_34 = lean_ctor_get_uint8(x_33, sizeof(void*)*2 + 9);
+lean_dec(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; 
+x_35 = lean_box(0);
+x_15 = x_35;
+x_16 = x_12;
+goto block_32;
 }
 else
 {
-uint8_t x_14; 
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_14, 0);
+lean_inc(x_36);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_37 = l_Lean_Meta_Simp_rewriteUsingDecide_x3f(x_36, x_5, x_6, x_7, x_8, x_12);
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+if (lean_obj_tag(x_38) == 0)
+{
+lean_object* x_39; lean_object* x_40; 
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_box(0);
+x_15 = x_40;
+x_16 = x_39;
+goto block_32;
+}
+else
+{
+lean_object* x_41; uint8_t x_42; 
+x_41 = lean_ctor_get(x_37, 1);
+lean_inc(x_41);
+lean_dec(x_37);
+x_42 = !lean_is_exclusive(x_38);
+if (x_42 == 0)
+{
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_38, 0);
+x_44 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_38, 0, x_44);
+x_15 = x_38;
+x_16 = x_41;
+goto block_32;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_38, 0);
+lean_inc(x_45);
+lean_dec(x_38);
+x_46 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_46, 0, x_45);
+x_47 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_47, 0, x_46);
+x_15 = x_47;
+x_16 = x_41;
+goto block_32;
+}
+}
+}
+block_32:
+{
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_17; 
+lean_dec(x_14);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_14 = !lean_is_exclusive(x_10);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_10, 0);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_11, 0);
-lean_inc(x_16);
-lean_dec(x_11);
-x_17 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_10, 0, x_17);
-return x_10;
+if (lean_is_scalar(x_13)) {
+ x_17 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_17 = x_13;
+}
+lean_ctor_set(x_17, 0, x_11);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_18 = lean_ctor_get(x_10, 1);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_13);
+lean_dec(x_11);
+x_18 = lean_ctor_get(x_15, 0);
 lean_inc(x_18);
-lean_dec(x_10);
-x_19 = lean_ctor_get(x_11, 0);
-lean_inc(x_19);
-lean_dec(x_11);
-x_20 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_18);
-return x_21;
+lean_dec(x_15);
+x_19 = l_Lean_Meta_Simp_Step_result(x_18);
+x_20 = l_Lean_Meta_Simp_mkEqTrans(x_14, x_19, x_5, x_6, x_7, x_8, x_16);
+if (lean_obj_tag(x_20) == 0)
+{
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_20);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_20, 0);
+x_23 = l_Lean_Meta_Simp_Step_updateResult(x_18, x_22);
+lean_ctor_set(x_20, 0, x_23);
+return x_20;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_24 = lean_ctor_get(x_20, 0);
+x_25 = lean_ctor_get(x_20, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_20);
+x_26 = l_Lean_Meta_Simp_Step_updateResult(x_18, x_24);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
+}
+}
+else
+{
+uint8_t x_28; 
+lean_dec(x_18);
+x_28 = !lean_is_exclusive(x_20);
+if (x_28 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_20, 0);
+x_30 = lean_ctor_get(x_20, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_20);
+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_22; 
+uint8_t x_48; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_22 = !lean_is_exclusive(x_10);
-if (x_22 == 0)
+x_48 = !lean_is_exclusive(x_10);
+if (x_48 == 0)
+{
+lean_object* x_49; 
+x_49 = lean_ctor_get(x_10, 0);
+lean_dec(x_49);
+return x_10;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; 
+x_50 = lean_ctor_get(x_10, 1);
+lean_inc(x_50);
+lean_dec(x_10);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_11);
+lean_ctor_set(x_51, 1, x_50);
+return x_51;
+}
+}
+}
+else
+{
+uint8_t x_52; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_52 = !lean_is_exclusive(x_10);
+if (x_52 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_10, 0);
-x_24 = lean_ctor_get(x_10, 1);
-lean_inc(x_24);
-lean_inc(x_23);
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_10, 0);
+x_54 = lean_ctor_get(x_10, 1);
+lean_inc(x_54);
+lean_inc(x_53);
 lean_dec(x_10);
-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;
+x_55 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
 }
 }
 }
@@ -10794,167 +11667,562 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_1);
-x_10 = l_Lean_Meta_Simp_rewriteCtorEq_x3f(x_1, x_5, x_6, x_7, x_8, x_9);
+lean_inc(x_4);
+lean_inc(x_3);
+x_10 = l_Lean_Meta_Simp_rewritePost(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_10) == 0)
 {
-lean_object* x_11; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_11 = lean_ctor_get(x_10, 0);
 lean_inc(x_11);
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+if (lean_is_exclusive(x_10)) {
+ lean_ctor_release(x_10, 0);
+ lean_ctor_release(x_10, 1);
+ x_13 = x_10;
+} else {
+ lean_dec_ref(x_10);
+ x_13 = lean_box(0);
+}
 if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_3, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get_uint8(x_12, sizeof(void*)*2 + 9);
-lean_dec(x_12);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_ctor_get(x_10, 1);
-lean_inc(x_14);
-lean_dec(x_10);
-x_15 = l_Lean_Meta_Simp_rewritePost(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_10, 1);
-lean_inc(x_16);
-lean_dec(x_10);
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_93 = lean_ctor_get(x_11, 0);
+lean_inc(x_93);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_1);
-x_17 = l_Lean_Meta_Simp_rewriteUsingDecide_x3f(x_1, x_5, x_6, x_7, x_8, x_16);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-if (lean_obj_tag(x_18) == 0)
+lean_inc(x_3);
+x_95 = l_Lean_Meta_Simp_simpArith_x3f(x_94, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+if (lean_obj_tag(x_95) == 0)
 {
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_17, 1);
+lean_object* x_96; 
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+if (lean_obj_tag(x_96) == 0)
+{
+lean_object* x_97; 
+lean_dec(x_93);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_14 = x_11;
+x_15 = x_97;
+goto block_92;
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+lean_dec(x_11);
+x_98 = lean_ctor_get(x_95, 1);
+lean_inc(x_98);
+lean_dec(x_95);
+x_99 = lean_ctor_get(x_96, 0);
+lean_inc(x_99);
+lean_dec(x_96);
+x_100 = l_Lean_Meta_Simp_Step_result(x_99);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_101 = l_Lean_Meta_Simp_mkEqTrans(x_93, x_100, x_5, x_6, x_7, x_8, x_98);
+if (lean_obj_tag(x_101) == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_101, 1);
+lean_inc(x_103);
+lean_dec(x_101);
+x_104 = l_Lean_Meta_Simp_Step_updateResult(x_99, x_102);
+x_14 = x_104;
+x_15 = x_103;
+goto block_92;
+}
+else
+{
+uint8_t x_105; 
+lean_dec(x_99);
+lean_dec(x_13);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_105 = !lean_is_exclusive(x_101);
+if (x_105 == 0)
+{
+return x_101;
+}
+else
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+x_106 = lean_ctor_get(x_101, 0);
+x_107 = lean_ctor_get(x_101, 1);
+lean_inc(x_107);
+lean_inc(x_106);
+lean_dec(x_101);
+x_108 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_108, 0, x_106);
+lean_ctor_set(x_108, 1, x_107);
+return x_108;
+}
+}
+}
+}
+else
+{
+uint8_t x_109; 
+lean_dec(x_93);
+lean_dec(x_13);
+lean_dec(x_11);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_109 = !lean_is_exclusive(x_95);
+if (x_109 == 0)
+{
+return x_95;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+x_110 = lean_ctor_get(x_95, 0);
+x_111 = lean_ctor_get(x_95, 1);
+lean_inc(x_111);
+lean_inc(x_110);
+lean_dec(x_95);
+x_112 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_112, 0, x_110);
+lean_ctor_set(x_112, 1, x_111);
+return x_112;
+}
+}
+}
+else
+{
+lean_dec(x_4);
+x_14 = x_11;
+x_15 = x_12;
+goto block_92;
+}
+block_92:
+{
+lean_object* x_16; lean_object* x_17; 
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_77; uint8_t x_78; 
+x_63 = lean_ctor_get(x_14, 0);
+lean_inc(x_63);
+x_77 = lean_ctor_get(x_3, 0);
+lean_inc(x_77);
+lean_dec(x_3);
+x_78 = lean_ctor_get_uint8(x_77, sizeof(void*)*2 + 9);
+lean_dec(x_77);
+if (x_78 == 0)
+{
+lean_object* x_79; 
+x_79 = lean_box(0);
+x_64 = x_79;
+x_65 = x_15;
+goto block_76;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_63, 0);
+lean_inc(x_80);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_81 = l_Lean_Meta_Simp_rewriteUsingDecide_x3f(x_80, x_5, x_6, x_7, x_8, x_15);
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+if (lean_obj_tag(x_82) == 0)
+{
+lean_object* x_83; lean_object* x_84; 
+x_83 = lean_ctor_get(x_81, 1);
+lean_inc(x_83);
+lean_dec(x_81);
+x_84 = lean_box(0);
+x_64 = x_84;
+x_65 = x_83;
+goto block_76;
+}
+else
+{
+lean_object* x_85; uint8_t x_86; 
+x_85 = lean_ctor_get(x_81, 1);
+lean_inc(x_85);
+lean_dec(x_81);
+x_86 = !lean_is_exclusive(x_82);
+if (x_86 == 0)
+{
+lean_object* x_87; lean_object* x_88; 
+x_87 = lean_ctor_get(x_82, 0);
+x_88 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_82, 0, x_88);
+x_64 = x_82;
+x_65 = x_85;
+goto block_76;
+}
+else
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_89 = lean_ctor_get(x_82, 0);
+lean_inc(x_89);
+lean_dec(x_82);
+x_90 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_90, 0, x_89);
+x_91 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_91, 0, x_90);
+x_64 = x_91;
+x_65 = x_85;
+goto block_76;
+}
+}
+}
+block_76:
+{
+if (lean_obj_tag(x_64) == 0)
+{
+lean_dec(x_63);
+x_16 = x_14;
+x_17 = x_65;
+goto block_62;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+lean_dec(x_14);
+x_66 = lean_ctor_get(x_64, 0);
+lean_inc(x_66);
+lean_dec(x_64);
+x_67 = l_Lean_Meta_Simp_Step_result(x_66);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_68 = l_Lean_Meta_Simp_mkEqTrans(x_63, x_67, x_5, x_6, x_7, x_8, x_65);
+if (lean_obj_tag(x_68) == 0)
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_68, 0);
+lean_inc(x_69);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = l_Lean_Meta_Simp_Step_updateResult(x_66, x_69);
+x_16 = x_71;
+x_17 = x_70;
+goto block_62;
+}
+else
+{
+uint8_t x_72; 
+lean_dec(x_66);
+lean_dec(x_13);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_72 = !lean_is_exclusive(x_68);
+if (x_72 == 0)
+{
+return x_68;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_73 = lean_ctor_get(x_68, 0);
+x_74 = lean_ctor_get(x_68, 1);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_68);
+x_75 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_75, 0, x_73);
+lean_ctor_set(x_75, 1, x_74);
+return x_75;
+}
+}
+}
+}
+}
+else
+{
+lean_dec(x_3);
+x_16 = x_14;
+x_17 = x_15;
+goto block_62;
+}
+block_62:
+{
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_13);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
-lean_dec(x_17);
-x_20 = l_Lean_Meta_Simp_rewritePost(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_20 = l_Lean_Meta_Simp_rewriteCtorEq_x3f(x_19, x_5, x_6, x_7, x_8, x_17);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
+lean_dec(x_18);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_22 = !lean_is_exclusive(x_20);
+if (x_22 == 0)
+{
+lean_object* x_23; 
+x_23 = lean_ctor_get(x_20, 0);
+lean_dec(x_23);
+lean_ctor_set(x_20, 0, x_16);
 return x_20;
 }
 else
 {
-uint8_t x_21; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_21 = !lean_is_exclusive(x_17);
-if (x_21 == 0)
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_ctor_get(x_20, 1);
+lean_inc(x_24);
+lean_dec(x_20);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_16);
+lean_ctor_set(x_25, 1, x_24);
+return x_25;
+}
+}
+else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_17, 0);
-lean_dec(x_22);
-x_23 = lean_ctor_get(x_18, 0);
-lean_inc(x_23);
+uint8_t x_26; 
+x_26 = !lean_is_exclusive(x_16);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_27 = lean_ctor_get(x_16, 0);
+lean_dec(x_27);
+x_28 = lean_ctor_get(x_20, 1);
+lean_inc(x_28);
+lean_dec(x_20);
+x_29 = lean_ctor_get(x_21, 0);
+lean_inc(x_29);
+lean_dec(x_21);
+lean_ctor_set_tag(x_16, 1);
+lean_ctor_set(x_16, 0, x_29);
+x_30 = l_Lean_Meta_Simp_Step_result(x_16);
+x_31 = l_Lean_Meta_Simp_mkEqTrans(x_18, x_30, x_5, x_6, x_7, x_8, x_28);
+if (lean_obj_tag(x_31) == 0)
+{
+uint8_t x_32; 
+x_32 = !lean_is_exclusive(x_31);
+if (x_32 == 0)
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_31, 0);
+x_34 = l_Lean_Meta_Simp_Step_updateResult(x_16, x_33);
+lean_ctor_set(x_31, 0, x_34);
+return x_31;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_35 = lean_ctor_get(x_31, 0);
+x_36 = lean_ctor_get(x_31, 1);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_31);
+x_37 = l_Lean_Meta_Simp_Step_updateResult(x_16, x_35);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+return x_38;
+}
+}
+else
+{
+uint8_t x_39; 
+lean_dec(x_16);
+x_39 = !lean_is_exclusive(x_31);
+if (x_39 == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_31, 0);
+x_41 = lean_ctor_get(x_31, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_31);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_16);
+x_43 = lean_ctor_get(x_20, 1);
+lean_inc(x_43);
+lean_dec(x_20);
+x_44 = lean_ctor_get(x_21, 0);
+lean_inc(x_44);
+lean_dec(x_21);
+x_45 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_45, 0, x_44);
+x_46 = l_Lean_Meta_Simp_Step_result(x_45);
+x_47 = l_Lean_Meta_Simp_mkEqTrans(x_18, x_46, x_5, x_6, x_7, x_8, x_43);
+if (lean_obj_tag(x_47) == 0)
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_50 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_50 = lean_box(0);
+}
+x_51 = l_Lean_Meta_Simp_Step_updateResult(x_45, x_48);
+if (lean_is_scalar(x_50)) {
+ x_52 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_52 = x_50;
+}
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_49);
+return x_52;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+lean_dec(x_45);
+x_53 = lean_ctor_get(x_47, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_47, 1);
+lean_inc(x_54);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_55 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_55 = lean_box(0);
+}
+if (lean_is_scalar(x_55)) {
+ x_56 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_56 = x_55;
+}
+lean_ctor_set(x_56, 0, x_53);
+lean_ctor_set(x_56, 1, x_54);
+return x_56;
+}
+}
+}
+}
+else
+{
+uint8_t x_57; 
 lean_dec(x_18);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_17, 0, x_24);
-return x_17;
+lean_dec(x_16);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_57 = !lean_is_exclusive(x_20);
+if (x_57 == 0)
+{
+return x_20;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_25 = lean_ctor_get(x_17, 1);
-lean_inc(x_25);
-lean_dec(x_17);
-x_26 = lean_ctor_get(x_18, 0);
-lean_inc(x_26);
-lean_dec(x_18);
-x_27 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_27, 0, x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_25);
-return x_28;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_20, 0);
+x_59 = lean_ctor_get(x_20, 1);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_20);
+x_60 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_60, 0, x_58);
+lean_ctor_set(x_60, 1, x_59);
+return x_60;
+}
+}
+}
+else
+{
+lean_object* x_61; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+if (lean_is_scalar(x_13)) {
+ x_61 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_61 = x_13;
+}
+lean_ctor_set(x_61, 0, x_16);
+lean_ctor_set(x_61, 1, x_17);
+return x_61;
 }
 }
 }
 }
 else
 {
-uint8_t x_29; 
+uint8_t x_113; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = !lean_is_exclusive(x_10);
-if (x_29 == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_10, 0);
-lean_dec(x_30);
-x_31 = lean_ctor_get(x_11, 0);
-lean_inc(x_31);
-lean_dec(x_11);
-x_32 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_10, 0, x_32);
-return x_10;
-}
-else
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_33 = lean_ctor_get(x_10, 1);
-lean_inc(x_33);
-lean_dec(x_10);
-x_34 = lean_ctor_get(x_11, 0);
-lean_inc(x_34);
-lean_dec(x_11);
-x_35 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_35, 0, x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-}
-else
-{
-uint8_t x_37; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_37 = !lean_is_exclusive(x_10);
-if (x_37 == 0)
+x_113 = !lean_is_exclusive(x_10);
+if (x_113 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_10, 0);
-x_39 = lean_ctor_get(x_10, 1);
-lean_inc(x_39);
-lean_inc(x_38);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_114 = lean_ctor_get(x_10, 0);
+x_115 = lean_ctor_get(x_10, 1);
+lean_inc(x_115);
+lean_inc(x_114);
 lean_dec(x_10);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
+x_116 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_116, 0, x_114);
+lean_ctor_set(x_116, 1, x_115);
+return x_116;
 }
 }
 }
@@ -10964,6 +12232,7 @@ lean_object* initialize_Lean_Meta_ACLt(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_AppBuilder(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_SynthInstance(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Simp_Types(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Meta_Tactic_LinearArith_Simp(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Lean_Meta_Tactic_Simp_Rewrite(uint8_t builtin, lean_object* w) {
 lean_object * res;
@@ -10984,6 +12253,9 @@ lean_dec_ref(res);
 res = initialize_Lean_Meta_Tactic_Simp_Types(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Meta_Tactic_LinearArith_Simp(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__1 = _init_l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__1();
 lean_mark_persistent(l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__1);
 l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__2 = _init_l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
index 2be7af2d44..39fdc6d3fa 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
@@ -94,6 +94,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Simp_getSimpCongrTheorems___rarg___boxed(le
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Result_proof_x3f___default;
 static lean_object* l_Lean_Meta_Simp_instMonadBacktrackSavedStateSimpM___closed__3;
 static lean_object* l_Lean_Meta_Simp_instInhabitedContext___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Step_updateResult(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_Context_config___default___closed__1;
 static lean_object* l_Lean_Meta_Simp_Context_simpTheorems___default___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Context_simpTheorems___default;
@@ -179,7 +180,7 @@ lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 6, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 7, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 8, x_4);
 lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 9, x_4);
-lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_4);
+lean_ctor_set_uint8(x_5, sizeof(void*)*2 + 10, x_3);
 return x_5;
 }
 }
@@ -659,6 +660,53 @@ lean_dec(x_1);
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Step_updateResult(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+uint8_t x_3; 
+x_3 = !lean_is_exclusive(x_1);
+if (x_3 == 0)
+{
+lean_object* x_4; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_dec(x_4);
+lean_ctor_set(x_1, 0, x_2);
+return x_1;
+}
+else
+{
+lean_object* x_5; 
+lean_dec(x_1);
+x_5 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_5, 0, x_2);
+return x_5;
+}
+}
+else
+{
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_1);
+if (x_6 == 0)
+{
+lean_object* x_7; 
+x_7 = lean_ctor_get(x_1, 0);
+lean_dec(x_7);
+lean_ctor_set(x_1, 0, x_2);
+return x_1;
+}
+else
+{
+lean_object* x_8; 
+lean_dec(x_1);
+x_8 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_8, 0, x_2);
+return x_8;
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Methods_pre___default(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
diff --git a/stage0/stdlib/Lean/Server/FileWorker.c b/stage0/stdlib/Lean/Server/FileWorker.c
index 86dfa9df49..25cb45802b 100644
--- a/stage0/stdlib/Lean/Server/FileWorker.c
+++ b/stage0/stdlib/Lean/Server/FileWorker.c
@@ -51,7 +51,7 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Server_FileWorker_l
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__9;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Server_FileWorker_compileHeader___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_erase___at_Lean_Server_FileWorker_handleCancelRequest___spec__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* l_Lean_Parser_parseHeader(lean_object*, lean_object*);
@@ -96,8 +96,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at_Lean_Server_FileWork
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__1;
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__44;
 lean_object* l_Lean_Elab_headerToImports(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Parser_mkInputContext(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, 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_Server_publishProgressAtPos(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
@@ -115,6 +114,7 @@ static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_ini
 lean_object* l_Array_toPersistentArray___rarg(lean_object*);
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__27;
 lean_object* lean_io_process_spawn(lean_object*, lean_object*);
+lean_object* l_Lean_Server_DocumentMeta_mkInputContext(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 static lean_object* l_Lean_Server_FileWorker_handleNotification___closed__4;
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at_Lean_Server_FileWorker_handleRpcConnect___spec__1(lean_object*, uint64_t, lean_object*);
@@ -243,7 +243,7 @@ lean_object* l_Lean_Server_RequestError_toLspResponseError(lean_object*, lean_ob
 lean_object* l_Lean_Json_parse(lean_object*);
 lean_object* l_Lean_initSrcSearchPath___rarg(lean_object*);
 static lean_object* l_Lean_Server_FileWorker_lakeSetupSearchPath___closed__7;
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Lean_Data_JsonRpc_0__Lean_JsonRpc_ordRequestID____x40_Lean_Data_JsonRpc___hyg_117_(lean_object*, lean_object*);
 lean_object* lean_module_name_of_file(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Json_opt___at_Lean_JsonRpc_instToJsonMessage___spec__1(lean_object*, lean_object*);
@@ -409,7 +409,7 @@ lean_object* l_Lean_Server_maybeTee(lean_object*, uint8_t, lean_object*, lean_ob
 static lean_object* l_Lean_Server_FileWorker_compileHeader___closed__3;
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__50;
 static lean_object* l_Lean_Server_FileWorker_updateDocument___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_parseParams___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_System_FilePath_withExtension(lean_object*, lean_object*);
 lean_object* lean_get_stdin(lean_object*);
@@ -422,7 +422,6 @@ lean_object* l_ByteArray_toUInt64LE_x21(lean_object*);
 static lean_object* l_IO_FS_Stream_readRequestAs___at_Lean_Server_FileWorker_initAndRunWorker___spec__2___closed__11;
 lean_object* l___private_Lean_Data_Lsp_TextSync_0__Lean_Lsp_fromJsonDidChangeTextDocumentParams____x40_Lean_Data_Lsp_TextSync___hyg_437_(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_AsyncElabState_lastSnap(lean_object*);
-static lean_object* l_Lean_Server_FileWorker_compileHeader___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_publishIleanInfoUpdate(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_IO_FS_Stream_writeLspResponse___at_Lean_Server_FileWorker_handleRequest___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_workerMain___boxed__const__1;
@@ -709,8 +708,8 @@ lean_object* x_13; lean_object* x_14; uint8_t x_15; lean_object* x_16;
 x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 lean_dec(x_12);
-x_14 = lean_ctor_get(x_3, 2);
-lean_inc(x_14);
+lean_inc(x_3);
+x_14 = l_Lean_Server_DocumentMeta_mkInputContext(x_3);
 x_15 = lean_ctor_get_uint8(x_2, sizeof(void*)*5);
 lean_dec(x_2);
 x_16 = l_Lean_Server_Snapshots_compileNextCmd(x_14, x_1, x_15, x_13);
@@ -4197,388 +4196,394 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t 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_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_112; lean_object* x_113; 
-x_11 = lean_ctor_get(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_113; lean_object* x_114; 
+x_10 = lean_ctor_get(x_8, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_8, 1);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_9, 1);
-lean_inc(x_12);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- x_13 = x_9;
+if (lean_is_exclusive(x_8)) {
+ lean_ctor_release(x_8, 0);
+ lean_ctor_release(x_8, 1);
+ x_12 = x_8;
 } else {
- lean_dec_ref(x_9);
- x_13 = lean_box(0);
+ lean_dec_ref(x_8);
+ x_12 = lean_box(0);
 }
-x_112 = lean_ctor_get(x_6, 0);
-lean_inc(x_112);
-x_113 = l_Lean_Lsp_DocumentUri_toPath_x3f(x_112);
-if (lean_obj_tag(x_113) == 0)
+x_113 = lean_ctor_get(x_2, 0);
+lean_inc(x_113);
+x_114 = l_Lean_Lsp_DocumentUri_toPath_x3f(x_113);
+if (lean_obj_tag(x_114) == 0)
 {
-lean_object* x_114; uint8_t x_115; 
-lean_dec(x_13);
+lean_object* x_115; uint8_t x_116; 
+lean_dec(x_12);
 lean_inc(x_1);
-lean_inc(x_12);
 lean_inc(x_11);
-x_114 = l_Lean_Elab_Command_mkState(x_11, x_12, x_1);
-x_115 = !lean_is_exclusive(x_114);
-if (x_115 == 0)
+lean_inc(x_10);
+x_115 = l_Lean_Elab_Command_mkState(x_10, x_11, x_1);
+x_116 = !lean_is_exclusive(x_115);
+if (x_116 == 0)
 {
-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; 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; uint8_t 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; 
-x_116 = lean_ctor_get(x_114, 7);
-lean_dec(x_116);
-x_117 = lean_ctor_get(x_114, 5);
+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; 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; uint8_t 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; 
+x_117 = lean_ctor_get(x_115, 7);
 lean_dec(x_117);
-x_118 = lean_ctor_get(x_114, 4);
+x_118 = lean_ctor_get(x_115, 5);
 lean_dec(x_118);
-x_119 = lean_ctor_get(x_114, 3);
+x_119 = lean_ctor_get(x_115, 4);
 lean_dec(x_119);
-x_120 = lean_ctor_get(x_114, 1);
+x_120 = lean_ctor_get(x_115, 3);
 lean_dec(x_120);
-x_121 = lean_ctor_get(x_114, 0);
+x_121 = lean_ctor_get(x_115, 1);
 lean_dec(x_121);
-x_122 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
-x_123 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_122);
+x_122 = lean_ctor_get(x_115, 0);
+lean_dec(x_122);
+x_123 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
+x_124 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_123);
 lean_dec(x_1);
-x_124 = lean_box(0);
-x_125 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
+x_125 = lean_ctor_get(x_2, 2);
+lean_inc(x_125);
 x_126 = lean_box(0);
-lean_inc(x_2);
-lean_inc(x_11);
-x_127 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_127, 0, x_11);
-lean_ctor_set(x_127, 1, x_2);
-lean_ctor_set(x_127, 2, x_125);
-lean_ctor_set(x_127, 3, x_124);
-lean_ctor_set(x_127, 4, x_126);
-lean_ctor_set(x_127, 5, x_124);
-x_128 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
+x_127 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
+x_128 = lean_box(0);
+lean_inc(x_125);
+lean_inc(x_10);
+x_129 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_129, 0, x_10);
+lean_ctor_set(x_129, 1, x_125);
+lean_ctor_set(x_129, 2, x_127);
+lean_ctor_set(x_129, 3, x_126);
+lean_ctor_set(x_129, 4, x_128);
+lean_ctor_set(x_129, 5, x_126);
+x_130 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
 lean_inc(x_3);
-x_129 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_129, 0, x_128);
-lean_ctor_set(x_129, 1, x_3);
-x_130 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_130, 0, x_129);
-x_131 = lean_unsigned_to_nat(1u);
-x_132 = l_Lean_Syntax_getArg(x_3, x_131);
-x_133 = l_Lean_Syntax_getArgs(x_132);
-lean_dec(x_132);
-x_134 = lean_array_to_list(lean_box(0), x_133);
-x_135 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_134, x_124);
-x_136 = l_List_toPersistentArray___rarg(x_135);
-x_137 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_137, 0, x_130);
-lean_ctor_set(x_137, 1, x_136);
-x_138 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_138, 0, x_127);
-lean_ctor_set(x_138, 1, x_137);
-x_139 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
-x_140 = lean_array_push(x_139, x_138);
-x_141 = l_Array_toPersistentArray___rarg(x_140);
-lean_dec(x_140);
-x_142 = 1;
-x_143 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
-x_144 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_141);
-lean_ctor_set_uint8(x_144, sizeof(void*)*2, x_142);
-x_145 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
-lean_inc(x_12);
-lean_ctor_set(x_114, 7, x_144);
-lean_ctor_set(x_114, 5, x_131);
-lean_ctor_set(x_114, 4, x_123);
-lean_ctor_set(x_114, 3, x_145);
-lean_ctor_set(x_114, 1, x_12);
-lean_ctor_set(x_114, 0, x_11);
-x_146 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__7(x_4, x_2, x_12, x_10);
-x_147 = lean_ctor_get(x_146, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_146, 1);
-lean_inc(x_148);
-lean_dec(x_146);
-x_149 = lean_unsigned_to_nat(0u);
-x_150 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_3);
-lean_ctor_set(x_150, 2, x_5);
-lean_ctor_set(x_150, 3, x_114);
-lean_ctor_set(x_150, 4, x_147);
+x_131 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_131, 0, x_130);
+lean_ctor_set(x_131, 1, x_3);
+x_132 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_132, 0, x_131);
+x_133 = lean_unsigned_to_nat(1u);
+x_134 = l_Lean_Syntax_getArg(x_3, x_133);
+x_135 = l_Lean_Syntax_getArgs(x_134);
+lean_dec(x_134);
+x_136 = lean_array_to_list(lean_box(0), x_135);
+x_137 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_136, x_126);
+x_138 = l_List_toPersistentArray___rarg(x_137);
+x_139 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_139, 0, x_132);
+lean_ctor_set(x_139, 1, x_138);
+x_140 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_140, 0, x_129);
+lean_ctor_set(x_140, 1, x_139);
+x_141 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
+x_142 = lean_array_push(x_141, x_140);
+x_143 = l_Array_toPersistentArray___rarg(x_142);
+lean_dec(x_142);
+x_144 = 1;
+x_145 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
+x_146 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_146, 0, x_145);
+lean_ctor_set(x_146, 1, x_143);
+lean_ctor_set_uint8(x_146, sizeof(void*)*2, x_144);
+x_147 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
+lean_inc(x_11);
+lean_ctor_set(x_115, 7, x_146);
+lean_ctor_set(x_115, 5, x_133);
+lean_ctor_set(x_115, 4, x_124);
+lean_ctor_set(x_115, 3, x_147);
+lean_ctor_set(x_115, 1, x_11);
+lean_ctor_set(x_115, 0, x_10);
+x_148 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__7(x_4, x_125, x_11, x_9);
+x_149 = lean_ctor_get(x_148, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_148, 1);
 lean_inc(x_150);
-x_151 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_150);
-x_152 = l_Std_PersistentArray_toArray___rarg(x_151);
-x_153 = l_Lean_Server_publishDiagnostics(x_6, x_152, x_7, x_148);
-if (lean_obj_tag(x_153) == 0)
+lean_dec(x_148);
+x_151 = lean_unsigned_to_nat(0u);
+x_152 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_152, 0, x_151);
+lean_ctor_set(x_152, 1, x_3);
+lean_ctor_set(x_152, 2, x_5);
+lean_ctor_set(x_152, 3, x_115);
+lean_ctor_set(x_152, 4, x_149);
+lean_inc(x_152);
+x_153 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_152);
+x_154 = l_Std_PersistentArray_toArray___rarg(x_153);
+x_155 = l_Lean_Server_publishDiagnostics(x_2, x_154, x_6, x_150);
+if (lean_obj_tag(x_155) == 0)
 {
-uint8_t x_154; 
-x_154 = !lean_is_exclusive(x_153);
-if (x_154 == 0)
+uint8_t x_156; 
+x_156 = !lean_is_exclusive(x_155);
+if (x_156 == 0)
 {
-lean_object* x_155; lean_object* x_156; 
-x_155 = lean_ctor_get(x_153, 0);
-lean_dec(x_155);
-x_156 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_156, 0, x_150);
-lean_ctor_set(x_156, 1, x_8);
-lean_ctor_set(x_153, 0, x_156);
-return x_153;
-}
-else
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_157 = lean_ctor_get(x_153, 1);
-lean_inc(x_157);
-lean_dec(x_153);
+lean_object* x_157; lean_object* x_158; 
+x_157 = lean_ctor_get(x_155, 0);
+lean_dec(x_157);
 x_158 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_158, 0, x_150);
-lean_ctor_set(x_158, 1, x_8);
-x_159 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_159, 0, x_158);
-lean_ctor_set(x_159, 1, x_157);
-return x_159;
+lean_ctor_set(x_158, 0, x_152);
+lean_ctor_set(x_158, 1, x_7);
+lean_ctor_set(x_155, 0, x_158);
+return x_155;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+x_159 = lean_ctor_get(x_155, 1);
+lean_inc(x_159);
+lean_dec(x_155);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_152);
+lean_ctor_set(x_160, 1, x_7);
+x_161 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_161, 0, x_160);
+lean_ctor_set(x_161, 1, x_159);
+return x_161;
 }
 }
 else
 {
-uint8_t x_160; 
-lean_dec(x_150);
-lean_dec(x_8);
-x_160 = !lean_is_exclusive(x_153);
-if (x_160 == 0)
+uint8_t x_162; 
+lean_dec(x_152);
+lean_dec(x_7);
+x_162 = !lean_is_exclusive(x_155);
+if (x_162 == 0)
 {
-return x_153;
+return x_155;
 }
 else
 {
-lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-x_161 = lean_ctor_get(x_153, 0);
-x_162 = lean_ctor_get(x_153, 1);
-lean_inc(x_162);
-lean_inc(x_161);
-lean_dec(x_153);
-x_163 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_163, 0, x_161);
-lean_ctor_set(x_163, 1, x_162);
-return x_163;
-}
-}
-}
-else
-{
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 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; uint8_t 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; 
-x_164 = lean_ctor_get(x_114, 2);
-x_165 = lean_ctor_get(x_114, 6);
-x_166 = lean_ctor_get(x_114, 8);
-lean_inc(x_166);
-lean_inc(x_165);
+lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_163 = lean_ctor_get(x_155, 0);
+x_164 = lean_ctor_get(x_155, 1);
 lean_inc(x_164);
-lean_dec(x_114);
-x_167 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
-x_168 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_167);
+lean_inc(x_163);
+lean_dec(x_155);
+x_165 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_165, 0, x_163);
+lean_ctor_set(x_165, 1, x_164);
+return x_165;
+}
+}
+}
+else
+{
+lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 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; lean_object* x_188; lean_object* x_189; uint8_t 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; 
+x_166 = lean_ctor_get(x_115, 2);
+x_167 = lean_ctor_get(x_115, 6);
+x_168 = lean_ctor_get(x_115, 8);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_inc(x_166);
+lean_dec(x_115);
+x_169 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
+x_170 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_169);
 lean_dec(x_1);
-x_169 = lean_box(0);
-x_170 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
-x_171 = lean_box(0);
-lean_inc(x_2);
-lean_inc(x_11);
-x_172 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_172, 0, x_11);
-lean_ctor_set(x_172, 1, x_2);
-lean_ctor_set(x_172, 2, x_170);
-lean_ctor_set(x_172, 3, x_169);
-lean_ctor_set(x_172, 4, x_171);
-lean_ctor_set(x_172, 5, x_169);
-x_173 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
+x_171 = lean_ctor_get(x_2, 2);
+lean_inc(x_171);
+x_172 = lean_box(0);
+x_173 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
+x_174 = lean_box(0);
+lean_inc(x_171);
+lean_inc(x_10);
+x_175 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_175, 0, x_10);
+lean_ctor_set(x_175, 1, x_171);
+lean_ctor_set(x_175, 2, x_173);
+lean_ctor_set(x_175, 3, x_172);
+lean_ctor_set(x_175, 4, x_174);
+lean_ctor_set(x_175, 5, x_172);
+x_176 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
 lean_inc(x_3);
-x_174 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_174, 0, x_173);
-lean_ctor_set(x_174, 1, x_3);
-x_175 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_175, 0, x_174);
-x_176 = lean_unsigned_to_nat(1u);
-x_177 = l_Lean_Syntax_getArg(x_3, x_176);
-x_178 = l_Lean_Syntax_getArgs(x_177);
-lean_dec(x_177);
-x_179 = lean_array_to_list(lean_box(0), x_178);
-x_180 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_179, x_169);
-x_181 = l_List_toPersistentArray___rarg(x_180);
-x_182 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_182, 0, x_175);
-lean_ctor_set(x_182, 1, x_181);
-x_183 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_183, 0, x_172);
-lean_ctor_set(x_183, 1, x_182);
-x_184 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
-x_185 = lean_array_push(x_184, x_183);
-x_186 = l_Array_toPersistentArray___rarg(x_185);
-lean_dec(x_185);
-x_187 = 1;
-x_188 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
-x_189 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_189, 0, x_188);
-lean_ctor_set(x_189, 1, x_186);
-lean_ctor_set_uint8(x_189, sizeof(void*)*2, x_187);
-x_190 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
-lean_inc(x_12);
-x_191 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_191, 0, x_11);
-lean_ctor_set(x_191, 1, x_12);
-lean_ctor_set(x_191, 2, x_164);
-lean_ctor_set(x_191, 3, x_190);
-lean_ctor_set(x_191, 4, x_168);
-lean_ctor_set(x_191, 5, x_176);
-lean_ctor_set(x_191, 6, x_165);
-lean_ctor_set(x_191, 7, x_189);
-lean_ctor_set(x_191, 8, x_166);
-x_192 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__7(x_4, x_2, x_12, x_10);
-x_193 = lean_ctor_get(x_192, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_192, 1);
-lean_inc(x_194);
-lean_dec(x_192);
-x_195 = lean_unsigned_to_nat(0u);
-x_196 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_196, 0, x_195);
-lean_ctor_set(x_196, 1, x_3);
-lean_ctor_set(x_196, 2, x_5);
-lean_ctor_set(x_196, 3, x_191);
-lean_ctor_set(x_196, 4, x_193);
+x_177 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_3);
+x_178 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_178, 0, x_177);
+x_179 = lean_unsigned_to_nat(1u);
+x_180 = l_Lean_Syntax_getArg(x_3, x_179);
+x_181 = l_Lean_Syntax_getArgs(x_180);
+lean_dec(x_180);
+x_182 = lean_array_to_list(lean_box(0), x_181);
+x_183 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_182, x_172);
+x_184 = l_List_toPersistentArray___rarg(x_183);
+x_185 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_185, 0, x_178);
+lean_ctor_set(x_185, 1, x_184);
+x_186 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_186, 0, x_175);
+lean_ctor_set(x_186, 1, x_185);
+x_187 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
+x_188 = lean_array_push(x_187, x_186);
+x_189 = l_Array_toPersistentArray___rarg(x_188);
+lean_dec(x_188);
+x_190 = 1;
+x_191 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
+x_192 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_192, 0, x_191);
+lean_ctor_set(x_192, 1, x_189);
+lean_ctor_set_uint8(x_192, sizeof(void*)*2, x_190);
+x_193 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
+lean_inc(x_11);
+x_194 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_194, 0, x_10);
+lean_ctor_set(x_194, 1, x_11);
+lean_ctor_set(x_194, 2, x_166);
+lean_ctor_set(x_194, 3, x_193);
+lean_ctor_set(x_194, 4, x_170);
+lean_ctor_set(x_194, 5, x_179);
+lean_ctor_set(x_194, 6, x_167);
+lean_ctor_set(x_194, 7, x_192);
+lean_ctor_set(x_194, 8, x_168);
+x_195 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__7(x_4, x_171, x_11, x_9);
+x_196 = lean_ctor_get(x_195, 0);
 lean_inc(x_196);
-x_197 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_196);
-x_198 = l_Std_PersistentArray_toArray___rarg(x_197);
-x_199 = l_Lean_Server_publishDiagnostics(x_6, x_198, x_7, x_194);
-if (lean_obj_tag(x_199) == 0)
+x_197 = lean_ctor_get(x_195, 1);
+lean_inc(x_197);
+lean_dec(x_195);
+x_198 = lean_unsigned_to_nat(0u);
+x_199 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_199, 0, x_198);
+lean_ctor_set(x_199, 1, x_3);
+lean_ctor_set(x_199, 2, x_5);
+lean_ctor_set(x_199, 3, x_194);
+lean_ctor_set(x_199, 4, x_196);
+lean_inc(x_199);
+x_200 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_199);
+x_201 = l_Std_PersistentArray_toArray___rarg(x_200);
+x_202 = l_Lean_Server_publishDiagnostics(x_2, x_201, x_6, x_197);
+if (lean_obj_tag(x_202) == 0)
 {
-lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get(x_199, 1);
-lean_inc(x_200);
-if (lean_is_exclusive(x_199)) {
- lean_ctor_release(x_199, 0);
- lean_ctor_release(x_199, 1);
- x_201 = x_199;
+lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; 
+x_203 = lean_ctor_get(x_202, 1);
+lean_inc(x_203);
+if (lean_is_exclusive(x_202)) {
+ lean_ctor_release(x_202, 0);
+ lean_ctor_release(x_202, 1);
+ x_204 = x_202;
 } else {
- lean_dec_ref(x_199);
- x_201 = lean_box(0);
+ lean_dec_ref(x_202);
+ x_204 = lean_box(0);
 }
-x_202 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_202, 0, x_196);
-lean_ctor_set(x_202, 1, x_8);
-if (lean_is_scalar(x_201)) {
- x_203 = lean_alloc_ctor(0, 2, 0);
+x_205 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_205, 0, x_199);
+lean_ctor_set(x_205, 1, x_7);
+if (lean_is_scalar(x_204)) {
+ x_206 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_203 = x_201;
+ x_206 = x_204;
 }
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_200);
-return x_203;
+lean_ctor_set(x_206, 0, x_205);
+lean_ctor_set(x_206, 1, x_203);
+return x_206;
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-lean_dec(x_196);
-lean_dec(x_8);
-x_204 = lean_ctor_get(x_199, 0);
-lean_inc(x_204);
-x_205 = lean_ctor_get(x_199, 1);
-lean_inc(x_205);
-if (lean_is_exclusive(x_199)) {
- lean_ctor_release(x_199, 0);
- lean_ctor_release(x_199, 1);
- x_206 = x_199;
-} else {
- lean_dec_ref(x_199);
- x_206 = lean_box(0);
-}
-if (lean_is_scalar(x_206)) {
- x_207 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_207 = x_206;
-}
-lean_ctor_set(x_207, 0, x_204);
-lean_ctor_set(x_207, 1, x_205);
-return x_207;
-}
-}
-}
-else
-{
-lean_object* x_208; lean_object* x_209; lean_object* x_210; 
-x_208 = lean_ctor_get(x_113, 0);
+lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; 
+lean_dec(x_199);
+lean_dec(x_7);
+x_207 = lean_ctor_get(x_202, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_202, 1);
 lean_inc(x_208);
-lean_dec(x_113);
-x_209 = lean_box(0);
-x_210 = lean_module_name_of_file(x_208, x_209, x_10);
-if (lean_obj_tag(x_210) == 0)
-{
-lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; 
-x_211 = lean_ctor_get(x_210, 0);
-lean_inc(x_211);
-x_212 = lean_ctor_get(x_210, 1);
-lean_inc(x_212);
-lean_dec(x_210);
-x_213 = lean_environment_set_main_module(x_11, x_211);
-x_214 = lean_box(0);
-x_215 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_215, 0, x_214);
-lean_ctor_set(x_215, 1, x_213);
-x_14 = x_215;
-x_15 = x_212;
-goto block_111;
+if (lean_is_exclusive(x_202)) {
+ lean_ctor_release(x_202, 0);
+ lean_ctor_release(x_202, 1);
+ x_209 = x_202;
+} else {
+ lean_dec_ref(x_202);
+ x_209 = lean_box(0);
+}
+if (lean_is_scalar(x_209)) {
+ x_210 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_210 = x_209;
+}
+lean_ctor_set(x_210, 0, x_207);
+lean_ctor_set(x_210, 1, x_208);
+return x_210;
+}
+}
 }
 else
 {
-lean_object* x_216; lean_object* x_217; lean_object* x_218; 
-x_216 = lean_ctor_get(x_210, 1);
-lean_inc(x_216);
-lean_dec(x_210);
+lean_object* x_211; lean_object* x_212; lean_object* x_213; 
+x_211 = lean_ctor_get(x_114, 0);
+lean_inc(x_211);
+lean_dec(x_114);
+x_212 = lean_box(0);
+x_213 = lean_module_name_of_file(x_211, x_212, x_9);
+if (lean_obj_tag(x_213) == 0)
+{
+lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; 
+x_214 = lean_ctor_get(x_213, 0);
+lean_inc(x_214);
+x_215 = lean_ctor_get(x_213, 1);
+lean_inc(x_215);
+lean_dec(x_213);
+x_216 = lean_environment_set_main_module(x_10, x_214);
 x_217 = lean_box(0);
 x_218 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_218, 0, x_217);
-lean_ctor_set(x_218, 1, x_11);
-x_14 = x_218;
-x_15 = x_216;
-goto block_111;
+lean_ctor_set(x_218, 1, x_216);
+x_13 = x_218;
+x_14 = x_215;
+goto block_112;
 }
-}
-block_111:
+else
 {
-lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
+lean_object* x_219; lean_object* x_220; lean_object* x_221; 
+x_219 = lean_ctor_get(x_213, 1);
+lean_inc(x_219);
+lean_dec(x_213);
+x_220 = lean_box(0);
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_220);
+lean_ctor_set(x_221, 1, x_10);
+x_13 = x_221;
+x_14 = x_219;
+goto block_112;
+}
+}
+block_112:
+{
+lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
 lean_inc(x_1);
-lean_inc(x_12);
-lean_inc(x_16);
-x_17 = l_Lean_Elab_Command_mkState(x_16, x_12, x_1);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+lean_inc(x_11);
+lean_inc(x_15);
+x_16 = l_Lean_Elab_Command_mkState(x_15, x_11, x_1);
+x_17 = !lean_is_exclusive(x_16);
+if (x_17 == 0)
 {
-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; 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; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t 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_19 = lean_ctor_get(x_17, 7);
+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; 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; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t 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_18 = lean_ctor_get(x_16, 7);
+lean_dec(x_18);
+x_19 = lean_ctor_get(x_16, 5);
 lean_dec(x_19);
-x_20 = lean_ctor_get(x_17, 5);
+x_20 = lean_ctor_get(x_16, 4);
 lean_dec(x_20);
-x_21 = lean_ctor_get(x_17, 4);
+x_21 = lean_ctor_get(x_16, 3);
 lean_dec(x_21);
-x_22 = lean_ctor_get(x_17, 3);
+x_22 = lean_ctor_get(x_16, 1);
 lean_dec(x_22);
-x_23 = lean_ctor_get(x_17, 1);
+x_23 = lean_ctor_get(x_16, 0);
 lean_dec(x_23);
-x_24 = lean_ctor_get(x_17, 0);
-lean_dec(x_24);
-x_25 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
-x_26 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_25);
+x_24 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
+x_25 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_24);
 lean_dec(x_1);
+x_26 = lean_ctor_get(x_2, 2);
+lean_inc(x_26);
 x_27 = lean_box(0);
 x_28 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
 x_29 = lean_box(0);
-lean_inc(x_2);
-lean_inc(x_16);
+lean_inc(x_26);
+lean_inc(x_15);
 x_30 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_30, 0, x_16);
-lean_ctor_set(x_30, 1, x_2);
+lean_ctor_set(x_30, 0, x_15);
+lean_ctor_set(x_30, 1, x_26);
 lean_ctor_set(x_30, 2, x_28);
 lean_ctor_set(x_30, 3, x_27);
 lean_ctor_set(x_30, 4, x_29);
@@ -4614,14 +4619,14 @@ lean_ctor_set(x_47, 0, x_46);
 lean_ctor_set(x_47, 1, x_44);
 lean_ctor_set_uint8(x_47, sizeof(void*)*2, x_45);
 x_48 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
-lean_inc(x_12);
-lean_ctor_set(x_17, 7, x_47);
-lean_ctor_set(x_17, 5, x_34);
-lean_ctor_set(x_17, 4, x_26);
-lean_ctor_set(x_17, 3, x_48);
-lean_ctor_set(x_17, 1, x_12);
-lean_ctor_set(x_17, 0, x_16);
-x_49 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__2(x_4, x_2, x_12, x_15);
+lean_inc(x_11);
+lean_ctor_set(x_16, 7, x_47);
+lean_ctor_set(x_16, 5, x_34);
+lean_ctor_set(x_16, 4, x_25);
+lean_ctor_set(x_16, 3, x_48);
+lean_ctor_set(x_16, 1, x_11);
+lean_ctor_set(x_16, 0, x_15);
+x_49 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__2(x_4, x_26, x_11, x_14);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -4632,12 +4637,12 @@ x_53 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_53, 0, x_52);
 lean_ctor_set(x_53, 1, x_3);
 lean_ctor_set(x_53, 2, x_5);
-lean_ctor_set(x_53, 3, x_17);
+lean_ctor_set(x_53, 3, x_16);
 lean_ctor_set(x_53, 4, x_50);
 lean_inc(x_53);
 x_54 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_53);
 x_55 = l_Std_PersistentArray_toArray___rarg(x_54);
-x_56 = l_Lean_Server_publishDiagnostics(x_6, x_55, x_7, x_51);
+x_56 = l_Lean_Server_publishDiagnostics(x_2, x_55, x_6, x_51);
 if (lean_obj_tag(x_56) == 0)
 {
 uint8_t x_57; 
@@ -4647,13 +4652,13 @@ if (x_57 == 0)
 lean_object* x_58; lean_object* x_59; 
 x_58 = lean_ctor_get(x_56, 0);
 lean_dec(x_58);
-if (lean_is_scalar(x_13)) {
+if (lean_is_scalar(x_12)) {
  x_59 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_59 = x_13;
+ x_59 = x_12;
 }
 lean_ctor_set(x_59, 0, x_53);
-lean_ctor_set(x_59, 1, x_8);
+lean_ctor_set(x_59, 1, x_7);
 lean_ctor_set(x_56, 0, x_59);
 return x_56;
 }
@@ -4663,13 +4668,13 @@ lean_object* x_60; lean_object* x_61; lean_object* x_62;
 x_60 = lean_ctor_get(x_56, 1);
 lean_inc(x_60);
 lean_dec(x_56);
-if (lean_is_scalar(x_13)) {
+if (lean_is_scalar(x_12)) {
  x_61 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_61 = x_13;
+ x_61 = x_12;
 }
 lean_ctor_set(x_61, 0, x_53);
-lean_ctor_set(x_61, 1, x_8);
+lean_ctor_set(x_61, 1, x_7);
 x_62 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_62, 0, x_61);
 lean_ctor_set(x_62, 1, x_60);
@@ -4680,8 +4685,8 @@ else
 {
 uint8_t x_63; 
 lean_dec(x_53);
-lean_dec(x_13);
-lean_dec(x_8);
+lean_dec(x_12);
+lean_dec(x_7);
 x_63 = !lean_is_exclusive(x_56);
 if (x_63 == 0)
 {
@@ -4704,143 +4709,145 @@ return x_66;
 }
 else
 {
-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; 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; uint8_t 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; lean_object* x_102; 
-x_67 = lean_ctor_get(x_17, 2);
-x_68 = lean_ctor_get(x_17, 6);
-x_69 = lean_ctor_get(x_17, 8);
+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; 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; uint8_t 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; lean_object* x_102; lean_object* x_103; 
+x_67 = lean_ctor_get(x_16, 2);
+x_68 = lean_ctor_get(x_16, 6);
+x_69 = lean_ctor_get(x_16, 8);
 lean_inc(x_69);
 lean_inc(x_68);
 lean_inc(x_67);
-lean_dec(x_17);
+lean_dec(x_16);
 x_70 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__2;
 x_71 = l_Lean_Option_get___at_Std_Format_pretty_x27___spec__1(x_1, x_70);
 lean_dec(x_1);
-x_72 = lean_box(0);
-x_73 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
-x_74 = lean_box(0);
-lean_inc(x_2);
-lean_inc(x_16);
-x_75 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_75, 0, x_16);
-lean_ctor_set(x_75, 1, x_2);
-lean_ctor_set(x_75, 2, x_73);
-lean_ctor_set(x_75, 3, x_72);
-lean_ctor_set(x_75, 4, x_74);
-lean_ctor_set(x_75, 5, x_72);
-x_76 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
+x_72 = lean_ctor_get(x_2, 2);
+lean_inc(x_72);
+x_73 = lean_box(0);
+x_74 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
+x_75 = lean_box(0);
+lean_inc(x_72);
+lean_inc(x_15);
+x_76 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_76, 0, x_15);
+lean_ctor_set(x_76, 1, x_72);
+lean_ctor_set(x_76, 2, x_74);
+lean_ctor_set(x_76, 3, x_73);
+lean_ctor_set(x_76, 4, x_75);
+lean_ctor_set(x_76, 5, x_73);
+x_77 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9;
 lean_inc(x_3);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_3);
-x_78 = lean_alloc_ctor(2, 1, 0);
+x_78 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_78, 0, x_77);
-x_79 = lean_unsigned_to_nat(1u);
-x_80 = l_Lean_Syntax_getArg(x_3, x_79);
-x_81 = l_Lean_Syntax_getArgs(x_80);
-lean_dec(x_80);
-x_82 = lean_array_to_list(lean_box(0), x_81);
-x_83 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_82, x_72);
-x_84 = l_List_toPersistentArray___rarg(x_83);
-x_85 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_85, 0, x_78);
-lean_ctor_set(x_85, 1, x_84);
-x_86 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_86, 0, x_75);
+lean_ctor_set(x_78, 1, x_3);
+x_79 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_79, 0, x_78);
+x_80 = lean_unsigned_to_nat(1u);
+x_81 = l_Lean_Syntax_getArg(x_3, x_80);
+x_82 = l_Lean_Syntax_getArgs(x_81);
+lean_dec(x_81);
+x_83 = lean_array_to_list(lean_box(0), x_82);
+x_84 = l_List_mapTRAux___at_Lean_Server_FileWorker_compileHeader___spec__1(x_83, x_73);
+x_85 = l_List_toPersistentArray___rarg(x_84);
+x_86 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_86, 0, x_79);
 lean_ctor_set(x_86, 1, x_85);
-x_87 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
-x_88 = lean_array_push(x_87, x_86);
-x_89 = l_Array_toPersistentArray___rarg(x_88);
-lean_dec(x_88);
-x_90 = 1;
-x_91 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
-x_92 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_92, 0, x_91);
-lean_ctor_set(x_92, 1, x_89);
-lean_ctor_set_uint8(x_92, sizeof(void*)*2, x_90);
-x_93 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
-lean_inc(x_12);
-x_94 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_94, 0, x_16);
-lean_ctor_set(x_94, 1, x_12);
-lean_ctor_set(x_94, 2, x_67);
-lean_ctor_set(x_94, 3, x_93);
-lean_ctor_set(x_94, 4, x_71);
-lean_ctor_set(x_94, 5, x_79);
-lean_ctor_set(x_94, 6, x_68);
-lean_ctor_set(x_94, 7, x_92);
-lean_ctor_set(x_94, 8, x_69);
-x_95 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__2(x_4, x_2, x_12, x_15);
-x_96 = lean_ctor_get(x_95, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_95, 1);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_76);
+lean_ctor_set(x_87, 1, x_86);
+x_88 = l___private_Lean_Server_FileWorker_0__Lean_Server_FileWorker_nextCmdSnap___lambda__1___closed__1;
+x_89 = lean_array_push(x_88, x_87);
+x_90 = l_Array_toPersistentArray___rarg(x_89);
+lean_dec(x_89);
+x_91 = 1;
+x_92 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
+x_93 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_93, 0, x_92);
+lean_ctor_set(x_93, 1, x_90);
+lean_ctor_set_uint8(x_93, sizeof(void*)*2, x_91);
+x_94 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__1;
+lean_inc(x_11);
+x_95 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_95, 0, x_15);
+lean_ctor_set(x_95, 1, x_11);
+lean_ctor_set(x_95, 2, x_67);
+lean_ctor_set(x_95, 3, x_94);
+lean_ctor_set(x_95, 4, x_71);
+lean_ctor_set(x_95, 5, x_80);
+lean_ctor_set(x_95, 6, x_68);
+lean_ctor_set(x_95, 7, x_93);
+lean_ctor_set(x_95, 8, x_69);
+x_96 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spec__2(x_4, x_72, x_11, x_14);
+x_97 = lean_ctor_get(x_96, 0);
 lean_inc(x_97);
-lean_dec(x_95);
-x_98 = lean_unsigned_to_nat(0u);
-x_99 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_99, 0, x_98);
-lean_ctor_set(x_99, 1, x_3);
-lean_ctor_set(x_99, 2, x_5);
-lean_ctor_set(x_99, 3, x_94);
-lean_ctor_set(x_99, 4, x_96);
-lean_inc(x_99);
-x_100 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_99);
-x_101 = l_Std_PersistentArray_toArray___rarg(x_100);
-x_102 = l_Lean_Server_publishDiagnostics(x_6, x_101, x_7, x_97);
-if (lean_obj_tag(x_102) == 0)
+x_98 = lean_ctor_get(x_96, 1);
+lean_inc(x_98);
+lean_dec(x_96);
+x_99 = lean_unsigned_to_nat(0u);
+x_100 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_100, 0, x_99);
+lean_ctor_set(x_100, 1, x_3);
+lean_ctor_set(x_100, 2, x_5);
+lean_ctor_set(x_100, 3, x_95);
+lean_ctor_set(x_100, 4, x_97);
+lean_inc(x_100);
+x_101 = l_Lean_Server_Snapshots_Snapshot_diagnostics(x_100);
+x_102 = l_Std_PersistentArray_toArray___rarg(x_101);
+x_103 = l_Lean_Server_publishDiagnostics(x_2, x_102, x_6, x_98);
+if (lean_obj_tag(x_103) == 0)
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get(x_102, 1);
-lean_inc(x_103);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_104 = x_102;
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
 } else {
- lean_dec_ref(x_102);
- x_104 = lean_box(0);
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
 }
-if (lean_is_scalar(x_13)) {
- x_105 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_105 = x_13;
-}
-lean_ctor_set(x_105, 0, x_99);
-lean_ctor_set(x_105, 1, x_8);
-if (lean_is_scalar(x_104)) {
+if (lean_is_scalar(x_12)) {
  x_106 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_106 = x_104;
+ x_106 = x_12;
 }
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_103);
-return x_106;
+lean_ctor_set(x_106, 0, x_100);
+lean_ctor_set(x_106, 1, x_7);
+if (lean_is_scalar(x_105)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_107 = x_105;
+}
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_104);
+return x_107;
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-lean_dec(x_99);
-lean_dec(x_13);
-lean_dec(x_8);
-x_107 = lean_ctor_get(x_102, 0);
-lean_inc(x_107);
-x_108 = lean_ctor_get(x_102, 1);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+lean_dec(x_100);
+lean_dec(x_12);
+lean_dec(x_7);
+x_108 = lean_ctor_get(x_103, 0);
 lean_inc(x_108);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_109 = x_102;
+x_109 = lean_ctor_get(x_103, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_110 = x_103;
 } else {
- lean_dec_ref(x_102);
- x_109 = lean_box(0);
+ lean_dec_ref(x_103);
+ x_110 = lean_box(0);
 }
-if (lean_is_scalar(x_109)) {
- x_110 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_110)) {
+ x_111 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_110 = x_109;
+ x_111 = x_110;
 }
-lean_ctor_set(x_110, 0, x_107);
-lean_ctor_set(x_110, 1, x_108);
-return x_110;
+lean_ctor_set(x_111, 0, x_108);
+lean_ctor_set(x_111, 1, x_109);
+return x_111;
 }
 }
 }
@@ -4945,293 +4952,291 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t 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_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t 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) {
 _start:
 {
-lean_object* x_13; lean_object* x_24; lean_object* x_25; lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_6, 0);
-lean_inc(x_48);
-x_49 = l_Lean_Lsp_DocumentUri_toPath_x3f(x_48);
-if (lean_obj_tag(x_49) == 0)
-{
-lean_object* x_50; lean_object* x_51; 
-lean_dec(x_11);
-x_50 = lean_box(0);
-lean_inc(x_10);
-lean_inc(x_1);
-x_51 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_8, x_9, x_10, x_50, x_12);
-lean_dec(x_9);
-if (lean_obj_tag(x_51) == 0)
+lean_object* x_12; lean_object* x_23; lean_object* x_24; lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_2, 0);
+lean_inc(x_47);
+x_48 = l_Lean_Lsp_DocumentUri_toPath_x3f(x_47);
+if (lean_obj_tag(x_48) == 0)
 {
+lean_object* x_49; lean_object* x_50; 
 lean_dec(x_10);
-x_13 = x_51;
-goto block_23;
+x_49 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_1);
+x_50 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_7, x_8, x_9, x_49, x_11);
+lean_dec(x_8);
+if (lean_obj_tag(x_50) == 0)
+{
+lean_dec(x_9);
+x_12 = x_50;
+goto block_22;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; 
-x_52 = lean_ctor_get(x_51, 0);
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_51, 1);
-lean_inc(x_53);
-lean_dec(x_51);
+lean_dec(x_50);
+x_23 = x_51;
 x_24 = x_52;
-x_25 = x_53;
-goto block_47;
+goto block_46;
 }
 }
 else
 {
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
-x_54 = lean_ctor_get(x_49, 0);
-lean_inc(x_54);
-lean_dec(x_49);
-x_55 = l_System_FilePath_pathExists(x_11, x_12);
-x_56 = lean_ctor_get(x_55, 0);
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_53 = lean_ctor_get(x_48, 0);
+lean_inc(x_53);
+lean_dec(x_48);
+x_54 = l_System_FilePath_pathExists(x_10, x_11);
+x_55 = lean_ctor_get(x_54, 0);
+lean_inc(x_55);
+x_56 = lean_ctor_get(x_54, 1);
 lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 1);
-lean_inc(x_57);
+lean_dec(x_54);
+x_57 = l_System_FilePath_fileName(x_53);
+x_58 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__4;
+x_59 = l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_800____at_Lean_SearchPath_findAllWithExt___spec__1(x_57, x_58);
+lean_dec(x_57);
+if (x_59 == 0)
+{
+uint8_t x_60; 
+x_60 = lean_unbox(x_55);
 lean_dec(x_55);
-x_58 = l_System_FilePath_fileName(x_54);
-x_59 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__4;
-x_60 = l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_800____at_Lean_SearchPath_findAllWithExt___spec__1(x_58, x_59);
-lean_dec(x_58);
 if (x_60 == 0)
 {
-uint8_t x_61; 
-x_61 = lean_unbox(x_56);
-lean_dec(x_56);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_11);
-x_62 = lean_box(0);
-lean_inc(x_10);
-lean_inc(x_1);
-x_63 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_8, x_9, x_10, x_62, x_57);
-lean_dec(x_9);
-if (lean_obj_tag(x_63) == 0)
-{
+lean_object* x_61; lean_object* x_62; 
 lean_dec(x_10);
-x_13 = x_63;
-goto block_23;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_63, 1);
-lean_inc(x_65);
-lean_dec(x_63);
-x_24 = x_64;
-x_25 = x_65;
-goto block_47;
-}
-}
-else
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_66 = l_Lean_Elab_headerToImports(x_3);
-x_67 = l_List_redLength___rarg(x_66);
-x_68 = lean_mk_empty_array_with_capacity(x_67);
-lean_dec(x_67);
-x_69 = l_List_toArrayAux___rarg(x_66, x_68);
-lean_inc(x_7);
-lean_inc(x_6);
-x_70 = l_Lean_Server_FileWorker_lakeSetupSearchPath(x_11, x_6, x_69, x_7, x_57);
-if (lean_obj_tag(x_70) == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_71 = lean_ctor_get(x_70, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_70, 1);
-lean_inc(x_72);
-lean_dec(x_70);
-lean_inc(x_10);
-x_73 = l_List_appendTR___rarg(x_71, x_10);
-x_74 = lean_box(0);
+x_61 = lean_box(0);
+lean_inc(x_9);
 lean_inc(x_1);
-x_75 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_8, x_9, x_73, x_74, x_72);
-lean_dec(x_9);
-if (lean_obj_tag(x_75) == 0)
-{
-lean_dec(x_10);
-x_13 = x_75;
-goto block_23;
-}
-else
-{
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_75, 0);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_75, 1);
-lean_inc(x_77);
-lean_dec(x_75);
-x_24 = x_76;
-x_25 = x_77;
-goto block_47;
-}
-}
-else
-{
-lean_object* x_78; lean_object* x_79; 
-lean_dec(x_9);
+x_62 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_7, x_8, x_9, x_61, x_56);
 lean_dec(x_8);
-x_78 = lean_ctor_get(x_70, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_70, 1);
-lean_inc(x_79);
-lean_dec(x_70);
-x_24 = x_78;
-x_25 = x_79;
-goto block_47;
-}
-}
-}
-else
+if (lean_obj_tag(x_62) == 0)
 {
-lean_object* x_80; lean_object* x_81; 
-lean_dec(x_56);
-lean_dec(x_11);
-x_80 = lean_box(0);
-lean_inc(x_10);
-lean_inc(x_1);
-x_81 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_8, x_9, x_10, x_80, x_57);
 lean_dec(x_9);
-if (lean_obj_tag(x_81) == 0)
-{
-lean_dec(x_10);
-x_13 = x_81;
-goto block_23;
+x_12 = x_62;
+goto block_22;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; 
-x_82 = lean_ctor_get(x_81, 0);
+lean_object* x_63; lean_object* x_64; 
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_23 = x_63;
+x_24 = x_64;
+goto block_46;
+}
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_65 = l_Lean_Elab_headerToImports(x_3);
+x_66 = l_List_redLength___rarg(x_65);
+x_67 = lean_mk_empty_array_with_capacity(x_66);
+lean_dec(x_66);
+x_68 = l_List_toArrayAux___rarg(x_65, x_67);
+lean_inc(x_6);
+lean_inc(x_2);
+x_69 = l_Lean_Server_FileWorker_lakeSetupSearchPath(x_10, x_2, x_68, x_6, x_56);
+if (lean_obj_tag(x_69) == 0)
+{
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_70 = lean_ctor_get(x_69, 0);
+lean_inc(x_70);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+lean_inc(x_9);
+x_72 = l_List_appendTR___rarg(x_70, x_9);
+x_73 = lean_box(0);
+lean_inc(x_1);
+x_74 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_7, x_8, x_72, x_73, x_71);
+lean_dec(x_8);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_dec(x_9);
+x_12 = x_74;
+goto block_22;
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_23 = x_75;
+x_24 = x_76;
+goto block_46;
+}
+}
+else
+{
+lean_object* x_77; lean_object* x_78; 
+lean_dec(x_8);
+lean_dec(x_7);
+x_77 = lean_ctor_get(x_69, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_69, 1);
+lean_inc(x_78);
+lean_dec(x_69);
+x_23 = x_77;
+x_24 = x_78;
+goto block_46;
+}
+}
+}
+else
+{
+lean_object* x_79; lean_object* x_80; 
+lean_dec(x_55);
+lean_dec(x_10);
+x_79 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_1);
+x_80 = l_Lean_Server_FileWorker_compileHeader___lambda__2(x_3, x_1, x_7, x_8, x_9, x_79, x_56);
+lean_dec(x_8);
+if (lean_obj_tag(x_80) == 0)
+{
+lean_dec(x_9);
+x_12 = x_80;
+goto block_22;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = lean_ctor_get(x_80, 0);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_80, 1);
 lean_inc(x_82);
-x_83 = lean_ctor_get(x_81, 1);
-lean_inc(x_83);
-lean_dec(x_81);
+lean_dec(x_80);
+x_23 = x_81;
 x_24 = x_82;
-x_25 = x_83;
-goto block_47;
+goto block_46;
 }
 }
 }
-block_23:
+block_22:
 {
-if (lean_obj_tag(x_13) == 0)
+if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+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);
 x_15 = lean_ctor_get(x_13, 1);
 lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_14, 1);
+x_16 = lean_ctor_get(x_13, 0);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16, x_17, x_15);
-return x_18;
-}
-else
-{
-uint8_t x_19; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_13);
-if (x_19 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_13, 0);
-x_21 = lean_ctor_get(x_13, 1);
-lean_inc(x_21);
-lean_inc(x_20);
 lean_dec(x_13);
-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;
-}
-}
-}
-block_47:
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint32_t x_37; lean_object* x_38; 
-x_26 = lean_box(0);
-x_27 = lean_io_error_to_string(x_24);
-x_28 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_28, 0, x_27);
-x_29 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_29, 0, x_28);
-x_30 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__2;
-x_31 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__1;
-x_32 = 2;
-x_33 = l_Lean_Server_FileWorker_lakeSetupSearchPath_processStderr___closed__1;
-x_34 = lean_alloc_ctor(0, 5, 1);
-lean_ctor_set(x_34, 0, x_30);
-lean_ctor_set(x_34, 1, x_31);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_33);
-lean_ctor_set(x_34, 4, x_29);
-lean_ctor_set_uint8(x_34, sizeof(void*)*5, x_32);
-x_35 = l_Lean_MessageLog_empty;
-x_36 = l_Std_PersistentArray_push___rarg(x_35, x_34);
-x_37 = 0;
-x_38 = lean_mk_empty_environment(x_37, x_25);
-if (lean_obj_tag(x_38) == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_36);
-x_42 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_10, x_41, x_40);
-return x_42;
+x_17 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_14);
+return x_17;
 }
 else
 {
-uint8_t x_43; 
-lean_dec(x_36);
-lean_dec(x_10);
-lean_dec(x_7);
+uint8_t x_18; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_43 = !lean_is_exclusive(x_38);
-if (x_43 == 0)
+x_18 = !lean_is_exclusive(x_12);
+if (x_18 == 0)
 {
-return x_38;
+return x_12;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_38, 0);
-x_45 = lean_ctor_get(x_38, 1);
-lean_inc(x_45);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_12, 0);
+x_20 = lean_ctor_get(x_12, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_12);
+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;
+}
+}
+}
+block_46:
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint32_t x_36; lean_object* x_37; 
+x_25 = lean_box(0);
+x_26 = lean_io_error_to_string(x_23);
+x_27 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_27, 0, x_26);
+x_28 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_28, 0, x_27);
+x_29 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__2;
+x_30 = l_Lean_Server_FileWorker_compileHeader___lambda__3___closed__1;
+x_31 = 2;
+x_32 = l_Lean_Server_FileWorker_lakeSetupSearchPath_processStderr___closed__1;
+x_33 = lean_alloc_ctor(0, 5, 1);
+lean_ctor_set(x_33, 0, x_29);
+lean_ctor_set(x_33, 1, x_30);
+lean_ctor_set(x_33, 2, x_25);
+lean_ctor_set(x_33, 3, x_32);
+lean_ctor_set(x_33, 4, x_28);
+lean_ctor_set_uint8(x_33, sizeof(void*)*5, x_31);
+x_34 = l_Lean_MessageLog_empty;
+x_35 = l_Std_PersistentArray_push___rarg(x_34, x_33);
+x_36 = 0;
+x_37 = lean_mk_empty_environment(x_36, x_24);
+if (lean_obj_tag(x_37) == 0)
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_35);
+x_41 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_9, x_40, x_39);
+return x_41;
+}
+else
+{
+uint8_t x_42; 
+lean_dec(x_35);
+lean_dec(x_9);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_37);
+if (x_42 == 0)
+{
+return x_37;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_37, 0);
+x_44 = lean_ctor_get(x_37, 1);
 lean_inc(x_44);
-lean_dec(x_38);
-x_46 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_46, 0, x_44);
-lean_ctor_set(x_46, 1, x_45);
-return x_46;
+lean_inc(x_43);
+lean_dec(x_37);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
@@ -5251,7 +5256,7 @@ static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("<input>");
+x_1 = lean_mk_string("LAKE");
 return x_1;
 }
 }
@@ -5259,7 +5264,7 @@ static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__2() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("LAKE");
+x_1 = lean_mk_string("LEAN_SYSROOT");
 return x_1;
 }
 }
@@ -5267,19 +5272,11 @@ static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__3() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("LEAN_SYSROOT");
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__4() {
-_start:
-{
-lean_object* x_1; 
 x_1 = lean_mk_string("lake");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__5() {
+static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -5290,236 +5287,228 @@ return x_1;
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5) {
 _start:
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_6 = lean_ctor_get(x_1, 2);
+lean_object* x_6; lean_object* x_7; 
+lean_inc(x_1);
+x_6 = l_Lean_Server_DocumentMeta_mkInputContext(x_1);
 lean_inc(x_6);
-x_7 = lean_ctor_get(x_6, 0);
-lean_inc(x_7);
-x_8 = l_Lean_Server_FileWorker_compileHeader___closed__1;
-x_9 = l_Lean_Parser_mkInputContext(x_7, x_8);
+x_7 = l_Lean_Parser_parseHeader(x_6, 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; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
-x_10 = l_Lean_Parser_parseHeader(x_9, x_5);
-if (lean_obj_tag(x_10) == 0)
-{
-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_11 = lean_ctor_get(x_10, 0);
+x_10 = lean_ctor_get(x_7, 1);
+lean_inc(x_10);
+lean_dec(x_7);
+x_11 = lean_ctor_get(x_8, 0);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_11, 1);
+lean_dec(x_8);
+x_12 = lean_ctor_get(x_9, 0);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_10, 1);
+x_13 = lean_ctor_get(x_9, 1);
 lean_inc(x_13);
-lean_dec(x_10);
-x_14 = lean_ctor_get(x_11, 0);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_9);
+x_14 = lean_get_prefix(x_10);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_12, 1);
-lean_inc(x_16);
-lean_dec(x_12);
-x_17 = lean_get_prefix(x_13);
-if (lean_obj_tag(x_17) == 0)
+lean_dec(x_14);
+x_16 = l_Lean_initSrcSearchPath___rarg(x_15);
+if (lean_obj_tag(x_16) == 0)
 {
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_ctor_get(x_17, 1);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
 lean_inc(x_18);
-lean_dec(x_17);
-x_19 = l_Lean_initSrcSearchPath___rarg(x_18);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
+lean_dec(x_16);
+x_19 = l_Lean_Server_FileWorker_compileHeader___closed__1;
+x_20 = lean_io_getenv(x_19, x_18);
+x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
-lean_dec(x_19);
-x_22 = l_Lean_Server_FileWorker_compileHeader___closed__2;
-x_23 = lean_io_getenv(x_22, x_21);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-if (lean_obj_tag(x_24) == 0)
+if (lean_obj_tag(x_21) == 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 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_box(x_4);
-x_27 = lean_alloc_closure((void*)(l_Lean_Server_FileWorker_compileHeader___lambda__3___boxed), 12, 9);
-lean_closure_set(x_27, 0, x_3);
-lean_closure_set(x_27, 1, x_6);
-lean_closure_set(x_27, 2, x_14);
-lean_closure_set(x_27, 3, x_26);
-lean_closure_set(x_27, 4, x_15);
-lean_closure_set(x_27, 5, x_1);
-lean_closure_set(x_27, 6, x_2);
-lean_closure_set(x_27, 7, x_16);
-lean_closure_set(x_27, 8, x_9);
-x_28 = l_Lean_Server_FileWorker_compileHeader___closed__3;
-x_29 = lean_io_getenv(x_28, x_25);
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_box(x_4);
+x_24 = lean_alloc_closure((void*)(l_Lean_Server_FileWorker_compileHeader___lambda__3___boxed), 11, 8);
+lean_closure_set(x_24, 0, x_3);
+lean_closure_set(x_24, 1, x_1);
+lean_closure_set(x_24, 2, x_11);
+lean_closure_set(x_24, 3, x_23);
+lean_closure_set(x_24, 4, x_12);
+lean_closure_set(x_24, 5, x_2);
+lean_closure_set(x_24, 6, x_13);
+lean_closure_set(x_24, 7, x_6);
+x_25 = l_Lean_Server_FileWorker_compileHeader___closed__2;
+x_26 = lean_io_getenv(x_25, x_22);
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+if (lean_obj_tag(x_27) == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_26, 1);
+lean_inc(x_28);
+lean_dec(x_26);
+x_29 = l_IO_appDir(x_28);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
-if (lean_obj_tag(x_30) == 0)
-{
-lean_object* x_31; lean_object* x_32; 
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
-x_32 = l_IO_appDir(x_31);
-if (lean_obj_tag(x_32) == 0)
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_33 = lean_ctor_get(x_32, 0);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_32, 1);
-lean_inc(x_34);
-lean_dec(x_32);
-x_35 = l_Lean_Server_FileWorker_compileHeader___closed__4;
-x_36 = l_System_FilePath_join(x_33, x_35);
-x_37 = l_Lean_Server_FileWorker_compileHeader___lambda__4(x_27, x_20, x_36, x_34);
-return x_37;
+x_32 = l_Lean_Server_FileWorker_compileHeader___closed__3;
+x_33 = l_System_FilePath_join(x_30, x_32);
+x_34 = l_Lean_Server_FileWorker_compileHeader___lambda__4(x_24, x_17, x_33, x_31);
+return x_34;
 }
 else
 {
-uint8_t x_38; 
-lean_dec(x_27);
-lean_dec(x_20);
-x_38 = !lean_is_exclusive(x_32);
-if (x_38 == 0)
+uint8_t x_35; 
+lean_dec(x_24);
+lean_dec(x_17);
+x_35 = !lean_is_exclusive(x_29);
+if (x_35 == 0)
 {
-return x_32;
+return x_29;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_32, 0);
-x_40 = lean_ctor_get(x_32, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_32);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_42 = lean_ctor_get(x_29, 1);
-lean_inc(x_42);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_29, 0);
+x_37 = lean_ctor_get(x_29, 1);
+lean_inc(x_37);
+lean_inc(x_36);
 lean_dec(x_29);
-x_43 = lean_ctor_get(x_30, 0);
-lean_inc(x_43);
-lean_dec(x_30);
-x_44 = l_Lean_Server_FileWorker_compileHeader___closed__5;
-x_45 = l_System_FilePath_join(x_43, x_44);
-x_46 = l_Lean_Server_FileWorker_compileHeader___closed__4;
-x_47 = l_System_FilePath_join(x_45, x_46);
-x_48 = l_Lean_Server_FileWorker_compileHeader___lambda__4(x_27, x_20, x_47, x_42);
+x_38 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
+}
+}
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_39 = lean_ctor_get(x_26, 1);
+lean_inc(x_39);
+lean_dec(x_26);
+x_40 = lean_ctor_get(x_27, 0);
+lean_inc(x_40);
+lean_dec(x_27);
+x_41 = l_Lean_Server_FileWorker_compileHeader___closed__4;
+x_42 = l_System_FilePath_join(x_40, x_41);
+x_43 = l_Lean_Server_FileWorker_compileHeader___closed__3;
+x_44 = l_System_FilePath_join(x_42, x_43);
+x_45 = l_Lean_Server_FileWorker_compileHeader___lambda__4(x_24, x_17, x_44, x_39);
+return x_45;
+}
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_20, 1);
+lean_inc(x_46);
+lean_dec(x_20);
+x_47 = lean_ctor_get(x_21, 0);
+lean_inc(x_47);
+lean_dec(x_21);
+x_48 = l_Lean_Server_FileWorker_compileHeader___lambda__3(x_3, x_1, x_11, x_4, x_12, x_2, x_13, x_6, x_17, x_47, x_46);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_23, 1);
-lean_inc(x_49);
-lean_dec(x_23);
-x_50 = lean_ctor_get(x_24, 0);
+uint8_t x_49; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_49 = !lean_is_exclusive(x_16);
+if (x_49 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_16, 0);
+x_51 = lean_ctor_get(x_16, 1);
+lean_inc(x_51);
 lean_inc(x_50);
-lean_dec(x_24);
-x_51 = l_Lean_Server_FileWorker_compileHeader___lambda__3(x_3, x_6, x_14, x_4, x_15, x_1, x_2, x_16, x_9, x_20, x_50, x_49);
-return x_51;
+lean_dec(x_16);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
 }
 }
 else
 {
-uint8_t x_52; 
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_9);
+uint8_t x_53; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_52 = !lean_is_exclusive(x_19);
-if (x_52 == 0)
+x_53 = !lean_is_exclusive(x_14);
+if (x_53 == 0)
 {
-return x_19;
+return x_14;
 }
 else
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_19, 0);
-x_54 = lean_ctor_get(x_19, 1);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_14, 0);
+x_55 = lean_ctor_get(x_14, 1);
+lean_inc(x_55);
 lean_inc(x_54);
-lean_inc(x_53);
-lean_dec(x_19);
-x_55 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-return x_55;
-}
-}
-}
-else
-{
-uint8_t x_56; 
-lean_dec(x_16);
-lean_dec(x_15);
 lean_dec(x_14);
-lean_dec(x_9);
+x_56 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+return x_56;
+}
+}
+}
+else
+{
+uint8_t x_57; 
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_56 = !lean_is_exclusive(x_17);
-if (x_56 == 0)
+x_57 = !lean_is_exclusive(x_7);
+if (x_57 == 0)
 {
-return x_17;
+return x_7;
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_57 = lean_ctor_get(x_17, 0);
-x_58 = lean_ctor_get(x_17, 1);
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_7, 0);
+x_59 = lean_ctor_get(x_7, 1);
+lean_inc(x_59);
 lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_17);
-x_59 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_59, 0, x_57);
-lean_ctor_set(x_59, 1, x_58);
-return x_59;
-}
-}
-}
-else
-{
-uint8_t x_60; 
-lean_dec(x_9);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_60 = !lean_is_exclusive(x_10);
-if (x_60 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_10, 0);
-x_62 = lean_ctor_get(x_10, 1);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_10);
-x_63 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_63, 0, x_61);
-lean_ctor_set(x_63, 1, x_62);
-return x_63;
+lean_dec(x_7);
+x_60 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_60, 0, x_58);
+lean_ctor_set(x_60, 1, x_59);
+return x_60;
 }
 }
 }
@@ -5648,14 +5637,14 @@ x_6 = l_Std_PersistentArray_mapM___at_Lean_Server_FileWorker_compileHeader___spe
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-uint8_t x_11; lean_object* x_12; 
-x_11 = lean_unbox(x_4);
+uint8_t x_10; lean_object* x_11; 
+x_10 = lean_unbox(x_4);
 lean_dec(x_4);
-x_12 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_11, x_5, x_6, x_7, x_8, x_9, x_10);
-return x_12;
+x_11 = l_Lean_Server_FileWorker_compileHeader___lambda__1(x_1, x_2, x_3, x_10, x_5, x_6, x_7, x_8, x_9);
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__2___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) {
@@ -5669,14 +5658,14 @@ lean_dec(x_1);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__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* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___lambda__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* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-uint8_t x_13; lean_object* x_14; 
-x_13 = lean_unbox(x_4);
+uint8_t x_12; lean_object* x_13; 
+x_12 = lean_unbox(x_4);
 lean_dec(x_4);
-x_14 = l_Lean_Server_FileWorker_compileHeader___lambda__3(x_1, x_2, x_3, x_13, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_14;
+x_13 = l_Lean_Server_FileWorker_compileHeader___lambda__3(x_1, x_2, x_3, x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+return x_13;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_compileHeader___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
@@ -6224,7 +6213,7 @@ x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 if (lean_obj_tag(x_13) == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
 x_14 = lean_ctor_get(x_11, 1);
 lean_inc(x_14);
 lean_dec(x_11);
@@ -6247,231 +6236,237 @@ lean_dec(x_19);
 x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
 lean_dec(x_20);
-x_22 = l_String_firstDiffPos(x_21, x_2);
+x_22 = lean_ctor_get(x_2, 2);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = l_String_firstDiffPos(x_21, x_23);
+lean_dec(x_23);
 lean_dec(x_21);
-x_23 = lean_alloc_closure((void*)(l_Lean_Server_FileWorker_updateDocument___lambda__1___boxed), 2, 1);
-lean_closure_set(x_23, 0, x_22);
-x_24 = l_IO_AsyncList_finishedPrefix___rarg(x_15);
+x_25 = lean_alloc_closure((void*)(l_Lean_Server_FileWorker_updateDocument___lambda__1___boxed), 2, 1);
+lean_closure_set(x_25, 0, x_24);
+x_26 = l_IO_AsyncList_finishedPrefix___rarg(x_15);
 lean_dec(x_15);
-x_25 = l_List_takeWhile___rarg(x_23, x_24);
-x_26 = lean_unsigned_to_nat(0u);
-x_27 = l_List_lengthTRAux___rarg(x_25, x_26);
-x_28 = lean_nat_dec_eq(x_27, x_26);
-if (x_28 == 0)
+x_27 = l_List_takeWhile___rarg(x_25, x_26);
+x_28 = lean_unsigned_to_nat(0u);
+x_29 = l_List_lengthTRAux___rarg(x_27, x_28);
+x_30 = lean_nat_dec_eq(x_29, x_28);
+if (x_30 == 0)
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_29 = l_Lean_Server_Snapshots_instInhabitedSnapshot;
-lean_inc(x_25);
-x_30 = l_List_getLast_x21___rarg(x_29, x_25);
-x_31 = lean_unsigned_to_nat(2u);
-x_32 = lean_nat_dec_le(x_31, x_27);
-if (x_32 == 0)
+lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_31 = l_Lean_Server_Snapshots_instInhabitedSnapshot;
+lean_inc(x_27);
+x_32 = l_List_getLast_x21___rarg(x_31, x_27);
+x_33 = lean_unsigned_to_nat(2u);
+x_34 = lean_nat_dec_le(x_33, x_29);
+if (x_34 == 0)
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-lean_dec(x_27);
-lean_inc(x_3);
-x_33 = l_Lean_Server_Snapshots_parseNextCmd(x_2, x_3, x_18);
-x_34 = lean_ctor_get(x_33, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 1);
-lean_inc(x_35);
-lean_dec(x_33);
-x_36 = lean_ctor_get(x_30, 1);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+lean_dec(x_29);
+lean_inc(x_4);
+x_35 = l_Lean_Server_Snapshots_parseNextCmd(x_3, x_4, x_18);
+x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
-lean_dec(x_30);
-x_37 = l_Lean_Syntax_structEq(x_34, x_36);
-if (x_37 == 0)
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = lean_ctor_get(x_32, 1);
+lean_inc(x_38);
+lean_dec(x_32);
+x_39 = l_Lean_Syntax_structEq(x_36, x_38);
+if (x_39 == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = l_List_dropLast___rarg(x_25);
-x_39 = lean_box(0);
-x_40 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_4, x_3, x_5, x_38, x_39, x_7, x_8, x_35);
-lean_dec(x_8);
-lean_dec(x_7);
-return x_40;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = l_List_dropLast___rarg(x_27);
 x_41 = lean_box(0);
-x_42 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_4, x_3, x_5, x_25, x_41, x_7, x_8, x_35);
+x_42 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_2, x_4, x_5, x_40, x_41, x_7, x_8, x_37);
 lean_dec(x_8);
 lean_dec(x_7);
 return x_42;
 }
-}
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_43 = lean_nat_sub(x_27, x_31);
-lean_dec(x_27);
-x_44 = l_List_get_x21___rarg(x_29, x_25, x_43);
-x_45 = l_Lean_Server_Snapshots_parseNextCmd(x_2, x_44, x_18);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
-lean_inc(x_47);
-lean_dec(x_45);
-x_48 = lean_ctor_get(x_30, 1);
-lean_inc(x_48);
-lean_dec(x_30);
-x_49 = l_Lean_Syntax_structEq(x_46, x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = l_List_dropLast___rarg(x_25);
-x_51 = lean_box(0);
-x_52 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_4, x_3, x_5, x_50, x_51, x_7, x_8, x_47);
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_box(0);
+x_44 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_2, x_4, x_5, x_27, x_43, x_7, x_8, x_37);
 lean_dec(x_8);
 lean_dec(x_7);
-return x_52;
+return x_44;
+}
 }
 else
 {
-lean_object* x_53; lean_object* x_54; 
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+x_45 = lean_nat_sub(x_29, x_33);
+lean_dec(x_29);
+x_46 = l_List_get_x21___rarg(x_31, x_27, x_45);
+x_47 = l_Lean_Server_Snapshots_parseNextCmd(x_3, x_46, x_18);
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = lean_ctor_get(x_32, 1);
+lean_inc(x_50);
+lean_dec(x_32);
+x_51 = l_Lean_Syntax_structEq(x_48, x_50);
+if (x_51 == 0)
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = l_List_dropLast___rarg(x_27);
 x_53 = lean_box(0);
-x_54 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_4, x_3, x_5, x_25, x_53, x_7, x_8, x_47);
+x_54 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_2, x_4, x_5, x_52, x_53, x_7, x_8, x_49);
 lean_dec(x_8);
 lean_dec(x_7);
 return x_54;
 }
-}
-}
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-lean_dec(x_27);
-lean_dec(x_25);
+lean_object* x_55; lean_object* x_56; 
+x_55 = lean_box(0);
+x_56 = l_Lean_Server_FileWorker_updateDocument___lambda__2(x_2, x_4, x_5, x_27, x_55, x_7, x_8, x_49);
+lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_2);
-x_55 = l_Lean_Server_FileWorker_CancelToken_new(x_18);
-x_56 = lean_ctor_get(x_55, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 1);
-lean_inc(x_57);
-lean_dec(x_55);
-x_58 = l_Lean_Server_FileWorker_lakeSetupSearchPath___closed__5;
-lean_inc(x_56);
-lean_inc(x_3);
+return x_56;
+}
+}
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+lean_dec(x_29);
+lean_dec(x_27);
+lean_dec(x_7);
+lean_dec(x_3);
+x_57 = l_Lean_Server_FileWorker_CancelToken_new(x_18);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = l_Lean_Server_FileWorker_lakeSetupSearchPath___closed__5;
+lean_inc(x_58);
 lean_inc(x_4);
-x_59 = l_Lean_Server_FileWorker_unfoldCmdSnaps(x_4, x_3, x_58, x_56, x_5, x_57);
-if (lean_obj_tag(x_59) == 0)
+lean_inc(x_2);
+x_61 = l_Lean_Server_FileWorker_unfoldCmdSnaps(x_2, x_4, x_60, x_58, x_5, x_59);
+if (lean_obj_tag(x_61) == 0)
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; 
-x_60 = lean_ctor_get(x_59, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_59, 1);
-lean_inc(x_61);
-lean_dec(x_59);
-x_62 = lean_st_ref_take(x_8, x_61);
-x_63 = lean_ctor_get(x_62, 0);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_62 = lean_ctor_get(x_61, 0);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_61, 1);
 lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
-lean_dec(x_62);
-x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_4);
-lean_ctor_set(x_65, 1, x_3);
-lean_ctor_set(x_65, 2, x_60);
-lean_ctor_set(x_65, 3, x_56);
-x_66 = !lean_is_exclusive(x_63);
-if (x_66 == 0)
+lean_dec(x_61);
+x_64 = lean_st_ref_take(x_8, x_63);
+x_65 = lean_ctor_get(x_64, 0);
+lean_inc(x_65);
+x_66 = lean_ctor_get(x_64, 1);
+lean_inc(x_66);
+lean_dec(x_64);
+x_67 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_67, 0, x_2);
+lean_ctor_set(x_67, 1, x_4);
+lean_ctor_set(x_67, 2, x_62);
+lean_ctor_set(x_67, 3, x_58);
+x_68 = !lean_is_exclusive(x_65);
+if (x_68 == 0)
 {
-lean_object* x_67; lean_object* x_68; uint8_t x_69; 
-x_67 = lean_ctor_get(x_63, 0);
-lean_dec(x_67);
-lean_ctor_set(x_63, 0, x_65);
-x_68 = lean_st_ref_set(x_8, x_63, x_64);
+lean_object* x_69; lean_object* x_70; uint8_t x_71; 
+x_69 = lean_ctor_get(x_65, 0);
+lean_dec(x_69);
+lean_ctor_set(x_65, 0, x_67);
+x_70 = lean_st_ref_set(x_8, x_65, x_66);
 lean_dec(x_8);
-x_69 = !lean_is_exclusive(x_68);
-if (x_69 == 0)
+x_71 = !lean_is_exclusive(x_70);
+if (x_71 == 0)
 {
-lean_object* x_70; lean_object* x_71; 
-x_70 = lean_ctor_get(x_68, 0);
-lean_dec(x_70);
-x_71 = lean_box(0);
-lean_ctor_set(x_68, 0, x_71);
-return x_68;
-}
-else
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_72 = lean_ctor_get(x_68, 1);
-lean_inc(x_72);
-lean_dec(x_68);
+lean_object* x_72; lean_object* x_73; 
+x_72 = lean_ctor_get(x_70, 0);
+lean_dec(x_72);
 x_73 = lean_box(0);
-x_74 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_72);
-return x_74;
+lean_ctor_set(x_70, 0, x_73);
+return x_70;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_70, 1);
+lean_inc(x_74);
+lean_dec(x_70);
+x_75 = lean_box(0);
+x_76 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_74);
+return x_76;
 }
 }
 else
 {
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_75 = lean_ctor_get(x_63, 1);
-x_76 = lean_ctor_get(x_63, 2);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_dec(x_63);
-x_77 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_77, 0, x_65);
-lean_ctor_set(x_77, 1, x_75);
-lean_ctor_set(x_77, 2, x_76);
-x_78 = lean_st_ref_set(x_8, x_77, x_64);
+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; 
+x_77 = lean_ctor_get(x_65, 1);
+x_78 = lean_ctor_get(x_65, 2);
+lean_inc(x_78);
+lean_inc(x_77);
+lean_dec(x_65);
+x_79 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_79, 0, x_67);
+lean_ctor_set(x_79, 1, x_77);
+lean_ctor_set(x_79, 2, x_78);
+x_80 = lean_st_ref_set(x_8, x_79, x_66);
 lean_dec(x_8);
-x_79 = lean_ctor_get(x_78, 1);
-lean_inc(x_79);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_80 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_80 = lean_box(0);
-}
-x_81 = lean_box(0);
-if (lean_is_scalar(x_80)) {
- x_82 = lean_alloc_ctor(0, 2, 0);
-} else {
+x_81 = lean_ctor_get(x_80, 1);
+lean_inc(x_81);
+if (lean_is_exclusive(x_80)) {
+ lean_ctor_release(x_80, 0);
+ lean_ctor_release(x_80, 1);
  x_82 = x_80;
+} else {
+ lean_dec_ref(x_80);
+ x_82 = lean_box(0);
 }
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_79);
-return x_82;
+x_83 = lean_box(0);
+if (lean_is_scalar(x_82)) {
+ x_84 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_84 = x_82;
+}
+lean_ctor_set(x_84, 0, x_83);
+lean_ctor_set(x_84, 1, x_81);
+return x_84;
 }
 }
 else
 {
-uint8_t x_83; 
-lean_dec(x_56);
+uint8_t x_85; 
+lean_dec(x_58);
 lean_dec(x_8);
 lean_dec(x_4);
-lean_dec(x_3);
-x_83 = !lean_is_exclusive(x_59);
-if (x_83 == 0)
+lean_dec(x_2);
+x_85 = !lean_is_exclusive(x_61);
+if (x_85 == 0)
 {
-return x_59;
+return x_61;
 }
 else
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_84 = lean_ctor_get(x_59, 0);
-x_85 = lean_ctor_get(x_59, 1);
-lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_59);
-x_86 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_86, 0, x_84);
-lean_ctor_set(x_86, 1, x_85);
-return x_86;
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_86 = lean_ctor_get(x_61, 0);
+x_87 = lean_ctor_get(x_61, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_61);
+x_88 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_88, 0, x_86);
+lean_ctor_set(x_88, 1, x_87);
+return x_88;
 }
 }
 }
 }
 else
 {
-lean_object* x_87; 
+lean_object* x_89; 
 lean_dec(x_12);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -6480,48 +6475,48 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_87 = lean_ctor_get(x_13, 0);
-lean_inc(x_87);
+x_89 = lean_ctor_get(x_13, 0);
+lean_inc(x_89);
 lean_dec(x_13);
-if (lean_obj_tag(x_87) == 0)
+if (lean_obj_tag(x_89) == 0)
 {
-lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_88 = lean_ctor_get(x_11, 1);
-lean_inc(x_88);
+lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_90 = lean_ctor_get(x_11, 1);
+lean_inc(x_90);
 lean_dec(x_11);
-x_89 = l_Lean_Server_FileWorker_updateDocument___lambda__3___closed__1;
-x_90 = l_IO_throwServerError___rarg(x_89, x_88);
-return x_90;
+x_91 = l_Lean_Server_FileWorker_updateDocument___lambda__3___closed__1;
+x_92 = l_IO_throwServerError___rarg(x_91, x_90);
+return x_92;
 }
 else
 {
-uint8_t x_91; 
-x_91 = !lean_is_exclusive(x_11);
-if (x_91 == 0)
+uint8_t x_93; 
+x_93 = !lean_is_exclusive(x_11);
+if (x_93 == 0)
 {
-lean_object* x_92; lean_object* x_93; 
-x_92 = lean_ctor_get(x_11, 0);
-lean_dec(x_92);
-x_93 = lean_ctor_get(x_87, 0);
-lean_inc(x_93);
-lean_dec(x_87);
+lean_object* x_94; lean_object* x_95; 
+x_94 = lean_ctor_get(x_11, 0);
+lean_dec(x_94);
+x_95 = lean_ctor_get(x_89, 0);
+lean_inc(x_95);
+lean_dec(x_89);
 lean_ctor_set_tag(x_11, 1);
-lean_ctor_set(x_11, 0, x_93);
+lean_ctor_set(x_11, 0, x_95);
 return x_11;
 }
 else
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_11, 1);
-lean_inc(x_94);
+lean_object* x_96; lean_object* x_97; lean_object* x_98; 
+x_96 = lean_ctor_get(x_11, 1);
+lean_inc(x_96);
 lean_dec(x_11);
-x_95 = lean_ctor_get(x_87, 0);
-lean_inc(x_95);
-lean_dec(x_87);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-return x_96;
+x_97 = lean_ctor_get(x_89, 0);
+lean_inc(x_97);
+lean_dec(x_89);
+x_98 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_98, 0, x_97);
+lean_ctor_set(x_98, 1, x_96);
+return x_98;
 }
 }
 }
@@ -6538,7 +6533,7 @@ return x_1;
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_updateDocument(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_object* x_11; lean_object* x_12; lean_object* x_13; 
+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_5 = lean_st_ref_get(x_3, x_4);
 x_6 = lean_ctor_get(x_5, 0);
 lean_inc(x_6);
@@ -6548,96 +6543,93 @@ lean_dec(x_5);
 x_8 = lean_ctor_get(x_6, 0);
 lean_inc(x_8);
 lean_dec(x_6);
-x_9 = lean_ctor_get(x_1, 2);
+lean_inc(x_1);
+x_9 = l_Lean_Server_DocumentMeta_mkInputContext(x_1);
+x_10 = lean_ctor_get(x_8, 1);
+lean_inc(x_10);
+x_11 = lean_box(0);
+lean_inc(x_10);
 lean_inc(x_9);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_ctor_get(x_8, 1);
-lean_inc(x_11);
-x_12 = lean_box(0);
-lean_inc(x_11);
-lean_inc(x_10);
-x_13 = l_Lean_Server_Snapshots_reparseHeader(x_10, x_11, x_12, x_7);
-if (lean_obj_tag(x_13) == 0)
+x_12 = l_Lean_Server_Snapshots_reparseHeader(x_9, x_10, x_11, x_7);
+if (lean_obj_tag(x_12) == 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, 0);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+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);
 x_15 = lean_ctor_get(x_13, 1);
 lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_14, 1);
+x_16 = lean_ctor_get(x_10, 1);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_11, 1);
-lean_inc(x_17);
-lean_dec(x_11);
-x_18 = l_Lean_Syntax_structEq(x_16, x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-lean_dec(x_14);
 lean_dec(x_10);
-lean_dec(x_8);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_19 = l_Lean_Server_FileWorker_updateDocument___closed__1;
-x_20 = l_IO_throwServerError___rarg(x_19, x_15);
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
+x_17 = l_Lean_Syntax_structEq(x_15, x_16);
+if (x_17 == 0)
 {
-return x_20;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_20, 0);
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_20);
-x_24 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
-}
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_box(0);
-lean_inc(x_2);
-x_26 = l_Lean_Server_FileWorker_updateDocument___lambda__3(x_8, x_10, x_14, x_1, x_2, x_25, x_2, x_3, x_15);
-return x_26;
-}
-}
-else
-{
-uint8_t x_27; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_8);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_27 = !lean_is_exclusive(x_13);
-if (x_27 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_13, 0);
-x_29 = lean_ctor_get(x_13, 1);
-lean_inc(x_29);
-lean_inc(x_28);
+lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 lean_dec(x_13);
-x_30 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_18 = l_Lean_Server_FileWorker_updateDocument___closed__1;
+x_19 = l_IO_throwServerError___rarg(x_18, x_14);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_19, 0);
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_19);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+else
+{
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_box(0);
+lean_inc(x_2);
+x_25 = l_Lean_Server_FileWorker_updateDocument___lambda__3(x_8, x_1, x_9, x_13, x_2, x_24, x_2, x_3, x_14);
+return x_25;
+}
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_26 = !lean_is_exclusive(x_12);
+if (x_26 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_12, 0);
+x_28 = lean_ctor_get(x_12, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_12);
+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;
 }
 }
 }
@@ -19685,8 +19677,6 @@ l_Lean_Server_FileWorker_compileHeader___closed__3 = _init_l_Lean_Server_FileWor
 lean_mark_persistent(l_Lean_Server_FileWorker_compileHeader___closed__3);
 l_Lean_Server_FileWorker_compileHeader___closed__4 = _init_l_Lean_Server_FileWorker_compileHeader___closed__4();
 lean_mark_persistent(l_Lean_Server_FileWorker_compileHeader___closed__4);
-l_Lean_Server_FileWorker_compileHeader___closed__5 = _init_l_Lean_Server_FileWorker_compileHeader___closed__5();
-lean_mark_persistent(l_Lean_Server_FileWorker_compileHeader___closed__5);
 l_Lean_Server_FileWorker_updateDocument___lambda__3___closed__1 = _init_l_Lean_Server_FileWorker_updateDocument___lambda__3___closed__1();
 lean_mark_persistent(l_Lean_Server_FileWorker_updateDocument___lambda__3___closed__1);
 l_Lean_Server_FileWorker_updateDocument___closed__1 = _init_l_Lean_Server_FileWorker_updateDocument___closed__1();
diff --git a/stage0/stdlib/Lean/Server/FileWorker/RequestHandling.c b/stage0/stdlib/Lean/Server/FileWorker/RequestHandling.c
index 49a35537c9..b77916d123 100644
--- a/stage0/stdlib/Lean/Server/FileWorker/RequestHandling.c
+++ b/stage0/stdlib/Lean/Server/FileWorker/RequestHandling.c
@@ -142,6 +142,7 @@ static lean_object* l_Lean_Server_FileWorker_handleWaitForDiagnostics___lambda__
 static lean_object* l_Lean_Server_FileWorker_noHighlightKinds___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_handleDefinition___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_handleCompletion___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Server_DocumentMeta_mkInputContext(lean_object*);
 LEAN_EXPORT lean_object* l_liftExcept___at_Lean_Server_FileWorker_handleWaitForDiagnostics___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_handleDocumentSymbol___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_initFn____x40_Lean_Server_FileWorker_RequestHandling___hyg_8441_(lean_object*);
@@ -12921,7 +12922,7 @@ return x_8;
 LEAN_EXPORT lean_object* l_Lean_Server_FileWorker_handleDocumentSymbol___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_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
 x_8 = l_List_getLastD___rarg(x_2, x_7);
@@ -12929,20 +12930,20 @@ lean_dec(x_7);
 x_9 = lean_ctor_get(x_1, 0);
 lean_inc(x_9);
 lean_dec(x_1);
-x_10 = lean_ctor_get(x_9, 2);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = l_Lean_Server_Snapshots_parseAhead(x_11, x_8, x_6);
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
+lean_inc(x_9);
+x_10 = l_Lean_Server_DocumentMeta_mkInputContext(x_9);
+x_11 = l_Lean_Server_Snapshots_parseAhead(x_10, x_8, x_6);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_array_to_list(lean_box(0), x_14);
-x_16 = l_List_appendTR___rarg(x_3, x_15);
-x_17 = l_Lean_Server_FileWorker_handleDocumentSymbol_toDocumentSymbols(x_10, x_16);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_array_to_list(lean_box(0), x_13);
+x_15 = l_List_appendTR___rarg(x_3, x_14);
+x_16 = lean_ctor_get(x_9, 2);
+lean_inc(x_16);
+lean_dec(x_9);
+x_17 = l_Lean_Server_FileWorker_handleDocumentSymbol_toDocumentSymbols(x_16, x_15);
 x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
 lean_dec(x_17);
@@ -12950,31 +12951,34 @@ x_19 = l_List_redLength___rarg(x_18);
 x_20 = lean_mk_empty_array_with_capacity(x_19);
 lean_dec(x_19);
 x_21 = l_List_toArrayAux___rarg(x_18, x_20);
-lean_ctor_set(x_12, 0, x_21);
-return x_12;
+lean_ctor_set(x_11, 0, x_21);
+return x_11;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_22 = lean_ctor_get(x_12, 0);
-x_23 = lean_ctor_get(x_12, 1);
+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; 
+x_22 = lean_ctor_get(x_11, 0);
+x_23 = lean_ctor_get(x_11, 1);
 lean_inc(x_23);
 lean_inc(x_22);
-lean_dec(x_12);
+lean_dec(x_11);
 x_24 = lean_array_to_list(lean_box(0), x_22);
 x_25 = l_List_appendTR___rarg(x_3, x_24);
-x_26 = l_Lean_Server_FileWorker_handleDocumentSymbol_toDocumentSymbols(x_10, x_25);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-lean_dec(x_26);
-x_28 = l_List_redLength___rarg(x_27);
-x_29 = lean_mk_empty_array_with_capacity(x_28);
-lean_dec(x_28);
-x_30 = l_List_toArrayAux___rarg(x_27, x_29);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_23);
-return x_31;
+x_26 = lean_ctor_get(x_9, 2);
+lean_inc(x_26);
+lean_dec(x_9);
+x_27 = l_Lean_Server_FileWorker_handleDocumentSymbol_toDocumentSymbols(x_26, x_25);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+lean_dec(x_27);
+x_29 = l_List_redLength___rarg(x_28);
+x_30 = lean_mk_empty_array_with_capacity(x_29);
+lean_dec(x_29);
+x_31 = l_List_toArrayAux___rarg(x_28, x_30);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_23);
+return x_32;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Server/Snapshots.c b/stage0/stdlib/Lean/Server/Snapshots.c
index 973751aa23..00a2974ff2 100644
--- a/stage0/stdlib/Lean/Server/Snapshots.c
+++ b/stage0/stdlib/Lean/Server/Snapshots.c
@@ -28,7 +28,6 @@ lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 static lean_object* l_Lean_Server_Snapshots_instInhabitedSnapshot___closed__3;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_parseAhead_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Parser_mkInputContext(lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_Snapshot_infoTree(lean_object*);
@@ -68,12 +67,10 @@ extern lean_object* l_Lean_instInhabitedMessage;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_IO_withStdin___at_Lean_Server_Snapshots_compileNextCmd___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
-static lean_object* l_Lean_Server_Snapshots_reparseHeader___closed__1;
 lean_object* l_Lean_Elab_Command_withLogging(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FileMap_toPosition(lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_firstFrontendMacroScope;
-lean_object* l_Lean_FileMap_ofString(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_instInhabitedSnapshot;
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_Snapshot_endPos___boxed(lean_object*);
 size_t lean_usize_of_nat(lean_object*);
@@ -778,139 +775,129 @@ x_3 = lean_box(x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Server_Snapshots_reparseHeader___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("<input>");
-return x_1;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_reparseHeader(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; 
-x_5 = l_Lean_Server_Snapshots_reparseHeader___closed__1;
-x_6 = l_Lean_Parser_mkInputContext(x_1, x_5);
-x_7 = l_Lean_Parser_parseHeader(x_6, x_4);
-if (lean_obj_tag(x_7) == 0)
+lean_object* x_5; 
+x_5 = l_Lean_Parser_parseHeader(x_1, x_4);
+if (lean_obj_tag(x_5) == 0)
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-x_10 = !lean_is_exclusive(x_7);
-if (x_10 == 0)
+lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_6 = lean_ctor_get(x_5, 0);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_6, 1);
+lean_inc(x_7);
+x_8 = !lean_is_exclusive(x_5);
+if (x_8 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_11 = lean_ctor_get(x_7, 0);
-lean_dec(x_11);
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_ctor_get(x_9, 0);
-lean_inc(x_13);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_ctor_get(x_5, 0);
 lean_dec(x_9);
-x_14 = !lean_is_exclusive(x_2);
-if (x_14 == 0)
+x_10 = lean_ctor_get(x_6, 0);
+lean_inc(x_10);
+lean_dec(x_6);
+x_11 = lean_ctor_get(x_7, 0);
+lean_inc(x_11);
+lean_dec(x_7);
+x_12 = !lean_is_exclusive(x_2);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_2, 2);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_2, 1);
-lean_dec(x_16);
-lean_ctor_set(x_2, 2, x_13);
-lean_ctor_set(x_2, 1, x_12);
-lean_ctor_set(x_7, 0, x_2);
-return x_7;
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_2, 2);
+lean_dec(x_13);
+x_14 = lean_ctor_get(x_2, 1);
+lean_dec(x_14);
+lean_ctor_set(x_2, 2, x_11);
+lean_ctor_set(x_2, 1, x_10);
+lean_ctor_set(x_5, 0, x_2);
+return x_5;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_17 = lean_ctor_get(x_2, 0);
-x_18 = lean_ctor_get(x_2, 3);
-x_19 = lean_ctor_get(x_2, 4);
-lean_inc(x_19);
-lean_inc(x_18);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_ctor_get(x_2, 0);
+x_16 = lean_ctor_get(x_2, 3);
+x_17 = lean_ctor_get(x_2, 4);
 lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
 lean_dec(x_2);
-x_20 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_20, 0, x_17);
-lean_ctor_set(x_20, 1, x_12);
-lean_ctor_set(x_20, 2, x_13);
-lean_ctor_set(x_20, 3, x_18);
-lean_ctor_set(x_20, 4, x_19);
-lean_ctor_set(x_7, 0, x_20);
-return x_7;
+x_18 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_18, 0, x_15);
+lean_ctor_set(x_18, 1, x_10);
+lean_ctor_set(x_18, 2, x_11);
+lean_ctor_set(x_18, 3, x_16);
+lean_ctor_set(x_18, 4, x_17);
+lean_ctor_set(x_5, 0, x_18);
+return x_5;
 }
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_21 = lean_ctor_get(x_7, 1);
+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; lean_object* x_26; lean_object* x_27; 
+x_19 = lean_ctor_get(x_5, 1);
+lean_inc(x_19);
+lean_dec(x_5);
+x_20 = lean_ctor_get(x_6, 0);
+lean_inc(x_20);
+lean_dec(x_6);
+x_21 = lean_ctor_get(x_7, 0);
 lean_inc(x_21);
 lean_dec(x_7);
-x_22 = lean_ctor_get(x_8, 0);
+x_22 = lean_ctor_get(x_2, 0);
 lean_inc(x_22);
-lean_dec(x_8);
-x_23 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_2, 3);
 lean_inc(x_23);
-lean_dec(x_9);
-x_24 = lean_ctor_get(x_2, 0);
+x_24 = lean_ctor_get(x_2, 4);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_2, 3);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_2, 4);
-lean_inc(x_26);
 if (lean_is_exclusive(x_2)) {
  lean_ctor_release(x_2, 0);
  lean_ctor_release(x_2, 1);
  lean_ctor_release(x_2, 2);
  lean_ctor_release(x_2, 3);
  lean_ctor_release(x_2, 4);
- x_27 = x_2;
+ x_25 = x_2;
 } else {
  lean_dec_ref(x_2);
- x_27 = lean_box(0);
+ x_25 = lean_box(0);
 }
-if (lean_is_scalar(x_27)) {
- x_28 = lean_alloc_ctor(0, 5, 0);
+if (lean_is_scalar(x_25)) {
+ x_26 = lean_alloc_ctor(0, 5, 0);
 } else {
- x_28 = x_27;
+ x_26 = x_25;
 }
-lean_ctor_set(x_28, 0, x_24);
-lean_ctor_set(x_28, 1, x_22);
-lean_ctor_set(x_28, 2, x_23);
-lean_ctor_set(x_28, 3, x_25);
-lean_ctor_set(x_28, 4, x_26);
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_28);
-lean_ctor_set(x_29, 1, x_21);
-return x_29;
+lean_ctor_set(x_26, 0, x_22);
+lean_ctor_set(x_26, 1, x_20);
+lean_ctor_set(x_26, 2, x_21);
+lean_ctor_set(x_26, 3, x_23);
+lean_ctor_set(x_26, 4, x_24);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_19);
+return x_27;
 }
 }
 else
 {
-uint8_t x_30; 
+uint8_t x_28; 
 lean_dec(x_2);
-x_30 = !lean_is_exclusive(x_7);
-if (x_30 == 0)
+x_28 = !lean_is_exclusive(x_5);
+if (x_28 == 0)
 {
-return x_7;
+return x_5;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_7, 0);
-x_32 = lean_ctor_get(x_7, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_7);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_5, 0);
+x_30 = lean_ctor_get(x_5, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_5);
+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;
 }
 }
 }
@@ -927,43 +914,41 @@ return x_5;
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_parseNextCmd(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; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_4 = l_Lean_Server_Snapshots_reparseHeader___closed__1;
-x_5 = l_Lean_Parser_mkInputContext(x_1, x_4);
-x_6 = lean_ctor_get(x_2, 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* x_15; lean_object* x_16; lean_object* x_17; 
+x_4 = lean_ctor_get(x_2, 3);
+lean_inc(x_4);
+x_5 = lean_ctor_get(x_4, 0);
+lean_inc(x_5);
+x_6 = lean_ctor_get(x_4, 2);
 lean_inc(x_6);
-x_7 = lean_ctor_get(x_6, 0);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_6, 2);
-lean_inc(x_8);
+lean_dec(x_4);
+x_7 = l_Lean_Elab_Command_instInhabitedScope;
+x_8 = l_List_head_x21___rarg(x_7, x_6);
 lean_dec(x_6);
-x_9 = l_Lean_Elab_Command_instInhabitedScope;
-x_10 = l_List_head_x21___rarg(x_9, x_8);
-lean_dec(x_8);
-x_11 = lean_ctor_get(x_10, 1);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 2);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_8, 3);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 2);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_10, 3);
+lean_dec(x_8);
+x_12 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_12, 0, x_5);
+lean_ctor_set(x_12, 1, x_9);
+lean_ctor_set(x_12, 2, x_10);
+lean_ctor_set(x_12, 3, x_11);
+x_13 = lean_ctor_get(x_2, 2);
 lean_inc(x_13);
-lean_dec(x_10);
-x_14 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_14, 0, x_7);
-lean_ctor_set(x_14, 1, x_11);
-lean_ctor_set(x_14, 2, x_12);
-lean_ctor_set(x_14, 3, x_13);
-x_15 = lean_ctor_get(x_2, 2);
-lean_inc(x_15);
-x_16 = l_Lean_Server_Snapshots_Snapshot_msgLog(x_2);
+x_14 = l_Lean_Server_Snapshots_Snapshot_msgLog(x_2);
 lean_dec(x_2);
-x_17 = l_Lean_Parser_parseCommand_parse(x_5, x_14, x_15, x_16);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_3);
-return x_19;
+x_15 = l_Lean_Parser_parseCommand_parse(x_1, x_12, x_13, x_14);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_3);
+return x_17;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_parseAhead_go(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -1036,37 +1021,35 @@ return x_7;
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_parseAhead(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; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_4 = l_Lean_Server_Snapshots_reparseHeader___closed__1;
-x_5 = l_Lean_Parser_mkInputContext(x_1, x_4);
-x_6 = lean_ctor_get(x_2, 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* x_15; 
+x_4 = lean_ctor_get(x_2, 3);
+lean_inc(x_4);
+x_5 = lean_ctor_get(x_4, 0);
+lean_inc(x_5);
+x_6 = lean_ctor_get(x_4, 2);
 lean_inc(x_6);
-x_7 = lean_ctor_get(x_6, 0);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_6, 2);
-lean_inc(x_8);
+lean_dec(x_4);
+x_7 = l_Lean_Elab_Command_instInhabitedScope;
+x_8 = l_List_head_x21___rarg(x_7, x_6);
 lean_dec(x_6);
-x_9 = l_Lean_Elab_Command_instInhabitedScope;
-x_10 = l_List_head_x21___rarg(x_9, x_8);
-lean_dec(x_8);
-x_11 = lean_ctor_get(x_10, 1);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 2);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_8, 3);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 2);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_10, 3);
+lean_dec(x_8);
+x_12 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_12, 0, x_5);
+lean_ctor_set(x_12, 1, x_9);
+lean_ctor_set(x_12, 2, x_10);
+lean_ctor_set(x_12, 3, x_11);
+x_13 = lean_ctor_get(x_2, 2);
 lean_inc(x_13);
-lean_dec(x_10);
-x_14 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_14, 0, x_7);
-lean_ctor_set(x_14, 1, x_11);
-lean_ctor_set(x_14, 2, x_12);
-lean_ctor_set(x_14, 3, x_13);
-x_15 = lean_ctor_get(x_2, 2);
-lean_inc(x_15);
-x_16 = l_Lean_Server_Snapshots_instInhabitedSnapshot___closed__7;
-x_17 = l_Lean_Server_Snapshots_parseAhead_go(x_2, x_5, x_14, x_15, x_16, x_3);
+x_14 = l_Lean_Server_Snapshots_instInhabitedSnapshot___closed__7;
+x_15 = l_Lean_Server_Snapshots_parseAhead_go(x_2, x_1, x_12, x_13, x_14, x_3);
 lean_dec(x_2);
-return x_17;
+return x_15;
 }
 }
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Server_Snapshots_compileNextCmd_withNewInteractiveDiags___spec__1(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -1084,7 +1067,7 @@ return x_8;
 }
 else
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
 x_9 = lean_ctor_get(x_5, 0);
 x_10 = lean_ctor_get(x_5, 1);
 x_11 = lean_nat_sub(x_4, x_9);
@@ -1092,17 +1075,18 @@ x_12 = l_Lean_instInhabitedMessage;
 lean_inc(x_3);
 x_13 = l_Std_PersistentArray_get_x21___rarg(x_12, x_3, x_11);
 lean_dec(x_11);
-lean_inc(x_1);
-x_14 = l_Lean_Widget_msgToInteractiveDiagnostic(x_1, x_13, x_2, x_7);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+x_14 = lean_ctor_get(x_1, 2);
+lean_inc(x_14);
+x_15 = l_Lean_Widget_msgToInteractiveDiagnostic(x_14, x_13, x_2, x_7);
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l_Std_PersistentArray_push___rarg(x_6, x_15);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l_Std_PersistentArray_push___rarg(x_6, x_16);
 x_5 = x_10;
-x_6 = x_17;
-x_7 = x_16;
+x_6 = x_18;
+x_7 = x_17;
 goto _start;
 }
 }
@@ -1661,208 +1645,206 @@ return x_6;
 LEAN_EXPORT lean_object* l_Lean_Server_Snapshots_compileNextCmd(lean_object* x_1, lean_object* x_2, uint8_t 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_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; 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; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; 
-x_5 = lean_ctor_get(x_1, 0);
+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* 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; lean_object* x_26; uint8_t x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; 
+x_5 = lean_ctor_get(x_2, 3);
 lean_inc(x_5);
-x_6 = l_Lean_Server_Snapshots_reparseHeader___closed__1;
-lean_inc(x_5);
-x_7 = l_Lean_Parser_mkInputContext(x_5, x_6);
-x_8 = lean_ctor_get(x_2, 3);
+x_6 = lean_ctor_get(x_2, 2);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_5, 0);
+lean_inc(x_7);
+x_8 = lean_ctor_get(x_5, 2);
 lean_inc(x_8);
-x_9 = lean_ctor_get(x_2, 2);
+x_9 = lean_ctor_get(x_5, 3);
 lean_inc(x_9);
-x_10 = lean_ctor_get(x_8, 0);
+x_10 = lean_ctor_get(x_5, 4);
 lean_inc(x_10);
-x_11 = lean_ctor_get(x_8, 2);
+x_11 = lean_ctor_get(x_5, 5);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_8, 3);
+x_12 = lean_ctor_get(x_5, 6);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_8, 4);
+x_13 = lean_ctor_get(x_5, 7);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_8, 5);
+x_14 = lean_ctor_get(x_5, 8);
 lean_inc(x_14);
-x_15 = lean_ctor_get(x_8, 6);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_8, 7);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_8, 8);
+x_15 = l_Lean_Elab_Command_instInhabitedScope;
+x_16 = l_List_head_x21___rarg(x_15, x_8);
+x_17 = lean_ctor_get(x_16, 1);
 lean_inc(x_17);
-x_18 = l_Lean_Elab_Command_instInhabitedScope;
-x_19 = l_List_head_x21___rarg(x_18, x_11);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 2);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_19, 3);
-lean_inc(x_22);
-lean_dec(x_19);
-lean_inc(x_10);
-x_23 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_23, 0, x_10);
-lean_ctor_set(x_23, 1, x_20);
-lean_ctor_set(x_23, 2, x_21);
-lean_ctor_set(x_23, 3, x_22);
-x_24 = l_Lean_Server_Snapshots_Snapshot_msgLog(x_2);
-x_25 = l_Lean_Parser_parseCommand_parse(x_7, x_23, x_9, x_24);
-x_26 = lean_ctor_get(x_25, 1);
+x_18 = lean_ctor_get(x_16, 2);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 3);
+lean_inc(x_19);
+lean_dec(x_16);
+lean_inc(x_7);
+x_20 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_20, 0, x_7);
+lean_ctor_set(x_20, 1, x_17);
+lean_ctor_set(x_20, 2, x_18);
+lean_ctor_set(x_20, 3, x_19);
+x_21 = l_Lean_Server_Snapshots_Snapshot_msgLog(x_2);
+lean_inc(x_1);
+x_22 = l_Lean_Parser_parseCommand_parse(x_1, x_20, x_6, x_21);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_ctor_get(x_23, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_23, 1);
 lean_inc(x_26);
-x_27 = lean_ctor_get(x_25, 0);
-lean_inc(x_27);
-lean_dec(x_25);
-x_28 = lean_ctor_get(x_26, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_26, 1);
-lean_inc(x_29);
-lean_dec(x_26);
-x_30 = 0;
-x_31 = l_Lean_Syntax_getPos_x3f(x_27, x_30);
-lean_inc(x_27);
-x_32 = l_Lean_Parser_isEOI(x_27);
-if (lean_obj_tag(x_31) == 0)
+lean_dec(x_23);
+x_27 = 0;
+x_28 = l_Lean_Syntax_getPos_x3f(x_24, x_27);
+lean_inc(x_24);
+x_29 = l_Lean_Parser_isEOI(x_24);
+if (lean_obj_tag(x_28) == 0)
 {
-lean_object* x_186; lean_object* x_187; 
-x_186 = l_Lean_Server_Snapshots_compileNextCmd___closed__5;
-x_187 = l_panic___at_Lean_Elab_InfoTree_smallestInfo_x3f___spec__1(x_186);
-x_33 = x_187;
-goto block_185;
+lean_object* x_185; lean_object* x_186; 
+x_185 = l_Lean_Server_Snapshots_compileNextCmd___closed__5;
+x_186 = l_panic___at_Lean_Elab_InfoTree_smallestInfo_x3f___spec__1(x_185);
+x_30 = x_186;
+goto block_184;
 }
 else
 {
-lean_object* x_188; 
-x_188 = lean_ctor_get(x_31, 0);
-lean_inc(x_188);
-lean_dec(x_31);
-x_33 = x_188;
-goto block_185;
+lean_object* x_187; 
+x_187 = lean_ctor_get(x_28, 0);
+lean_inc(x_187);
+lean_dec(x_28);
+x_30 = x_187;
+goto block_184;
 }
-block_185:
+block_184:
 {
+if (x_29 == 0)
+{
+uint8_t x_31; 
+lean_inc(x_24);
+x_31 = l_Lean_Parser_isExitCommand(x_24);
+if (x_31 == 0)
+{
+uint8_t x_32; 
+x_32 = !lean_is_exclusive(x_5);
 if (x_32 == 0)
 {
-uint8_t x_34; 
-lean_inc(x_27);
-x_34 = l_Lean_Parser_isExitCommand(x_27);
-if (x_34 == 0)
-{
-uint8_t x_35; 
-x_35 = !lean_is_exclusive(x_8);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 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_36 = lean_ctor_get(x_8, 8);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 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_33 = lean_ctor_get(x_5, 8);
+lean_dec(x_33);
+x_34 = lean_ctor_get(x_5, 7);
+lean_dec(x_34);
+x_35 = lean_ctor_get(x_5, 6);
+lean_dec(x_35);
+x_36 = lean_ctor_get(x_5, 5);
 lean_dec(x_36);
-x_37 = lean_ctor_get(x_8, 7);
+x_37 = lean_ctor_get(x_5, 4);
 lean_dec(x_37);
-x_38 = lean_ctor_get(x_8, 6);
+x_38 = lean_ctor_get(x_5, 3);
 lean_dec(x_38);
-x_39 = lean_ctor_get(x_8, 5);
+x_39 = lean_ctor_get(x_5, 2);
 lean_dec(x_39);
-x_40 = lean_ctor_get(x_8, 4);
+x_40 = lean_ctor_get(x_5, 1);
 lean_dec(x_40);
-x_41 = lean_ctor_get(x_8, 3);
+x_41 = lean_ctor_get(x_5, 0);
 lean_dec(x_41);
-x_42 = lean_ctor_get(x_8, 2);
+lean_ctor_set(x_5, 1, x_26);
+x_42 = lean_st_mk_ref(x_5, x_4);
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
 lean_dec(x_42);
-x_43 = lean_ctor_get(x_8, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_8, 0);
-lean_dec(x_44);
-lean_ctor_set(x_8, 1, x_29);
-x_45 = lean_st_mk_ref(x_8, x_4);
-x_46 = lean_ctor_get(x_45, 0);
+x_45 = lean_ctor_get(x_1, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_1, 2);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
+x_47 = l_Lean_Server_Snapshots_Snapshot_endPos(x_2);
+x_48 = lean_box(0);
+x_49 = lean_unsigned_to_nat(0u);
+x_50 = l_Lean_firstFrontendMacroScope;
+x_51 = lean_box(0);
 lean_inc(x_47);
-lean_dec(x_45);
-x_48 = l_Lean_FileMap_ofString(x_5);
-x_49 = l_Lean_Server_Snapshots_Snapshot_endPos(x_2);
-x_50 = lean_box(0);
-x_51 = lean_unsigned_to_nat(0u);
-x_52 = l_Lean_firstFrontendMacroScope;
-x_53 = lean_box(0);
-lean_inc(x_49);
-lean_inc(x_48);
-x_54 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_54, 0, x_6);
-lean_ctor_set(x_54, 1, x_48);
-lean_ctor_set(x_54, 2, x_51);
-lean_ctor_set(x_54, 3, x_49);
-lean_ctor_set(x_54, 4, x_50);
-lean_ctor_set(x_54, 5, x_52);
-lean_ctor_set(x_54, 6, x_53);
-lean_inc(x_27);
-x_55 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__1), 4, 1);
-lean_closure_set(x_55, 0, x_27);
 lean_inc(x_46);
-x_56 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__2), 4, 3);
-lean_closure_set(x_56, 0, x_55);
-lean_closure_set(x_56, 1, x_54);
-lean_closure_set(x_56, 2, x_46);
-x_57 = l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1(x_56, x_47);
-if (lean_obj_tag(x_57) == 0)
+lean_inc(x_45);
+x_52 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_52, 0, x_45);
+lean_ctor_set(x_52, 1, x_46);
+lean_ctor_set(x_52, 2, x_49);
+lean_ctor_set(x_52, 3, x_47);
+lean_ctor_set(x_52, 4, x_48);
+lean_ctor_set(x_52, 5, x_50);
+lean_ctor_set(x_52, 6, x_51);
+lean_inc(x_24);
+x_53 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__1), 4, 1);
+lean_closure_set(x_53, 0, x_24);
+lean_inc(x_43);
+x_54 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__2), 4, 3);
+lean_closure_set(x_54, 0, x_53);
+lean_closure_set(x_54, 1, x_52);
+lean_closure_set(x_54, 2, x_43);
+x_55 = l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1(x_54, x_44);
+if (lean_obj_tag(x_55) == 0)
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_58 = lean_ctor_get(x_57, 0);
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = lean_ctor_get(x_56, 0);
 lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
-lean_inc(x_59);
-lean_dec(x_57);
-x_60 = lean_ctor_get(x_58, 0);
+lean_dec(x_56);
+x_59 = lean_st_ref_get(x_43, x_57);
+lean_dec(x_43);
+x_60 = lean_ctor_get(x_59, 0);
 lean_inc(x_60);
-lean_dec(x_58);
-x_61 = lean_st_ref_get(x_46, x_59);
+x_61 = lean_ctor_get(x_59, 1);
+lean_inc(x_61);
+lean_dec(x_59);
+x_62 = l_String_isEmpty(x_58);
+if (x_62 == 0)
+{
+uint8_t x_63; 
+x_63 = !lean_is_exclusive(x_60);
+if (x_63 == 0)
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_64 = lean_ctor_get(x_60, 1);
+x_65 = l_Lean_FileMap_toPosition(x_46, x_47);
+lean_dec(x_47);
 lean_dec(x_46);
-x_62 = lean_ctor_get(x_61, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_61, 1);
-lean_inc(x_63);
-lean_dec(x_61);
-x_64 = l_String_isEmpty(x_60);
-if (x_64 == 0)
-{
-uint8_t x_65; 
-x_65 = !lean_is_exclusive(x_62);
-if (x_65 == 0)
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_66 = lean_ctor_get(x_62, 1);
-x_67 = l_Lean_FileMap_toPosition(x_48, x_49);
-lean_dec(x_49);
-lean_dec(x_48);
-x_68 = lean_box(0);
-x_69 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_69, 0, x_60);
-x_70 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_70, 0, x_69);
-x_71 = 0;
-x_72 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
-x_73 = lean_alloc_ctor(0, 5, 1);
-lean_ctor_set(x_73, 0, x_6);
-lean_ctor_set(x_73, 1, x_67);
-lean_ctor_set(x_73, 2, x_68);
-lean_ctor_set(x_73, 3, x_72);
-lean_ctor_set(x_73, 4, x_70);
-lean_ctor_set_uint8(x_73, sizeof(void*)*5, x_71);
-x_74 = l_Std_PersistentArray_push___rarg(x_66, x_73);
-lean_ctor_set(x_62, 1, x_74);
-x_75 = lean_box(0);
-x_76 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_33, x_27, x_28, x_62, x_75, x_63);
-return x_76;
+x_66 = lean_box(0);
+x_67 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_67, 0, x_58);
+x_68 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_68, 0, x_67);
+x_69 = 0;
+x_70 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
+x_71 = lean_alloc_ctor(0, 5, 1);
+lean_ctor_set(x_71, 0, x_45);
+lean_ctor_set(x_71, 1, x_65);
+lean_ctor_set(x_71, 2, x_66);
+lean_ctor_set(x_71, 3, x_70);
+lean_ctor_set(x_71, 4, x_68);
+lean_ctor_set_uint8(x_71, sizeof(void*)*5, x_69);
+x_72 = l_Std_PersistentArray_push___rarg(x_64, x_71);
+lean_ctor_set(x_60, 1, x_72);
+x_73 = lean_box(0);
+x_74 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_30, x_24, x_25, x_60, x_73, x_61);
+return x_74;
 }
 else
 {
-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; uint8_t 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_77 = lean_ctor_get(x_62, 0);
-x_78 = lean_ctor_get(x_62, 1);
-x_79 = lean_ctor_get(x_62, 2);
-x_80 = lean_ctor_get(x_62, 3);
-x_81 = lean_ctor_get(x_62, 4);
-x_82 = lean_ctor_get(x_62, 5);
-x_83 = lean_ctor_get(x_62, 6);
-x_84 = lean_ctor_get(x_62, 7);
-x_85 = lean_ctor_get(x_62, 8);
-lean_inc(x_85);
-lean_inc(x_84);
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t 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; 
+x_75 = lean_ctor_get(x_60, 0);
+x_76 = lean_ctor_get(x_60, 1);
+x_77 = lean_ctor_get(x_60, 2);
+x_78 = lean_ctor_get(x_60, 3);
+x_79 = lean_ctor_get(x_60, 4);
+x_80 = lean_ctor_get(x_60, 5);
+x_81 = lean_ctor_get(x_60, 6);
+x_82 = lean_ctor_get(x_60, 7);
+x_83 = lean_ctor_get(x_60, 8);
 lean_inc(x_83);
 lean_inc(x_82);
 lean_inc(x_81);
@@ -1870,442 +1852,450 @@ lean_inc(x_80);
 lean_inc(x_79);
 lean_inc(x_78);
 lean_inc(x_77);
-lean_dec(x_62);
-x_86 = l_Lean_FileMap_toPosition(x_48, x_49);
-lean_dec(x_49);
-lean_dec(x_48);
-x_87 = lean_box(0);
-x_88 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_88, 0, x_60);
-x_89 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_89, 0, x_88);
-x_90 = 0;
-x_91 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
-x_92 = lean_alloc_ctor(0, 5, 1);
-lean_ctor_set(x_92, 0, x_6);
-lean_ctor_set(x_92, 1, x_86);
-lean_ctor_set(x_92, 2, x_87);
-lean_ctor_set(x_92, 3, x_91);
-lean_ctor_set(x_92, 4, x_89);
-lean_ctor_set_uint8(x_92, sizeof(void*)*5, x_90);
-x_93 = l_Std_PersistentArray_push___rarg(x_78, x_92);
-x_94 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_94, 0, x_77);
-lean_ctor_set(x_94, 1, x_93);
-lean_ctor_set(x_94, 2, x_79);
-lean_ctor_set(x_94, 3, x_80);
-lean_ctor_set(x_94, 4, x_81);
-lean_ctor_set(x_94, 5, x_82);
-lean_ctor_set(x_94, 6, x_83);
-lean_ctor_set(x_94, 7, x_84);
-lean_ctor_set(x_94, 8, x_85);
+lean_inc(x_76);
+lean_inc(x_75);
+lean_dec(x_60);
+x_84 = l_Lean_FileMap_toPosition(x_46, x_47);
+lean_dec(x_47);
+lean_dec(x_46);
+x_85 = lean_box(0);
+x_86 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_86, 0, x_58);
+x_87 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_87, 0, x_86);
+x_88 = 0;
+x_89 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
+x_90 = lean_alloc_ctor(0, 5, 1);
+lean_ctor_set(x_90, 0, x_45);
+lean_ctor_set(x_90, 1, x_84);
+lean_ctor_set(x_90, 2, x_85);
+lean_ctor_set(x_90, 3, x_89);
+lean_ctor_set(x_90, 4, x_87);
+lean_ctor_set_uint8(x_90, sizeof(void*)*5, x_88);
+x_91 = l_Std_PersistentArray_push___rarg(x_76, x_90);
+x_92 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_92, 0, x_75);
+lean_ctor_set(x_92, 1, x_91);
+lean_ctor_set(x_92, 2, x_77);
+lean_ctor_set(x_92, 3, x_78);
+lean_ctor_set(x_92, 4, x_79);
+lean_ctor_set(x_92, 5, x_80);
+lean_ctor_set(x_92, 6, x_81);
+lean_ctor_set(x_92, 7, x_82);
+lean_ctor_set(x_92, 8, x_83);
+x_93 = lean_box(0);
+x_94 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_30, x_24, x_25, x_92, x_93, x_61);
+return x_94;
+}
+}
+else
+{
+lean_object* x_95; lean_object* x_96; 
+lean_dec(x_58);
+lean_dec(x_47);
+lean_dec(x_46);
+lean_dec(x_45);
 x_95 = lean_box(0);
-x_96 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_33, x_27, x_28, x_94, x_95, x_63);
+x_96 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_30, x_24, x_25, x_60, x_95, x_61);
 return x_96;
 }
 }
 else
 {
-lean_object* x_97; lean_object* x_98; 
-lean_dec(x_60);
-lean_dec(x_49);
-lean_dec(x_48);
-x_97 = lean_box(0);
-x_98 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_33, x_27, x_28, x_62, x_97, x_63);
-return x_98;
-}
-}
-else
-{
-uint8_t x_99; 
-lean_dec(x_49);
-lean_dec(x_48);
+uint8_t x_97; 
+lean_dec(x_47);
 lean_dec(x_46);
-lean_dec(x_33);
-lean_dec(x_28);
-lean_dec(x_27);
+lean_dec(x_45);
+lean_dec(x_43);
+lean_dec(x_30);
+lean_dec(x_25);
+lean_dec(x_24);
 lean_dec(x_2);
 lean_dec(x_1);
-x_99 = !lean_is_exclusive(x_57);
-if (x_99 == 0)
+x_97 = !lean_is_exclusive(x_55);
+if (x_97 == 0)
 {
-return x_57;
+return x_55;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_100 = lean_ctor_get(x_57, 0);
-x_101 = lean_ctor_get(x_57, 1);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_dec(x_57);
-x_102 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_102, 0, x_100);
-lean_ctor_set(x_102, 1, x_101);
-return x_102;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_55, 0);
+x_99 = lean_ctor_get(x_55, 1);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_55);
+x_100 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_100, 0, x_98);
+lean_ctor_set(x_100, 1, x_99);
+return x_100;
 }
 }
 }
 else
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 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_dec(x_8);
-x_103 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_103, 0, x_10);
-lean_ctor_set(x_103, 1, x_29);
-lean_ctor_set(x_103, 2, x_11);
-lean_ctor_set(x_103, 3, x_12);
-lean_ctor_set(x_103, 4, x_13);
-lean_ctor_set(x_103, 5, x_14);
-lean_ctor_set(x_103, 6, x_15);
-lean_ctor_set(x_103, 7, x_16);
-lean_ctor_set(x_103, 8, x_17);
-x_104 = lean_st_mk_ref(x_103, x_4);
-x_105 = lean_ctor_get(x_104, 0);
+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_dec(x_5);
+x_101 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_101, 0, x_7);
+lean_ctor_set(x_101, 1, x_26);
+lean_ctor_set(x_101, 2, x_8);
+lean_ctor_set(x_101, 3, x_9);
+lean_ctor_set(x_101, 4, x_10);
+lean_ctor_set(x_101, 5, x_11);
+lean_ctor_set(x_101, 6, x_12);
+lean_ctor_set(x_101, 7, x_13);
+lean_ctor_set(x_101, 8, x_14);
+x_102 = lean_st_mk_ref(x_101, x_4);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_102, 1);
+lean_inc(x_104);
+lean_dec(x_102);
+x_105 = lean_ctor_get(x_1, 1);
 lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+x_106 = lean_ctor_get(x_1, 2);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = l_Lean_FileMap_ofString(x_5);
-x_108 = l_Lean_Server_Snapshots_Snapshot_endPos(x_2);
-x_109 = lean_box(0);
-x_110 = lean_unsigned_to_nat(0u);
-x_111 = l_Lean_firstFrontendMacroScope;
-x_112 = lean_box(0);
-lean_inc(x_108);
+x_107 = l_Lean_Server_Snapshots_Snapshot_endPos(x_2);
+x_108 = lean_box(0);
+x_109 = lean_unsigned_to_nat(0u);
+x_110 = l_Lean_firstFrontendMacroScope;
+x_111 = lean_box(0);
 lean_inc(x_107);
-x_113 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_113, 0, x_6);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_110);
-lean_ctor_set(x_113, 3, x_108);
-lean_ctor_set(x_113, 4, x_109);
-lean_ctor_set(x_113, 5, x_111);
-lean_ctor_set(x_113, 6, x_112);
-lean_inc(x_27);
-x_114 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__1), 4, 1);
-lean_closure_set(x_114, 0, x_27);
+lean_inc(x_106);
 lean_inc(x_105);
-x_115 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__2), 4, 3);
-lean_closure_set(x_115, 0, x_114);
-lean_closure_set(x_115, 1, x_113);
-lean_closure_set(x_115, 2, x_105);
-x_116 = l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1(x_115, x_106);
-if (lean_obj_tag(x_116) == 0)
+x_112 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_112, 0, x_105);
+lean_ctor_set(x_112, 1, x_106);
+lean_ctor_set(x_112, 2, x_109);
+lean_ctor_set(x_112, 3, x_107);
+lean_ctor_set(x_112, 4, x_108);
+lean_ctor_set(x_112, 5, x_110);
+lean_ctor_set(x_112, 6, x_111);
+lean_inc(x_24);
+x_113 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__1), 4, 1);
+lean_closure_set(x_113, 0, x_24);
+lean_inc(x_103);
+x_114 = lean_alloc_closure((void*)(l_Lean_Server_Snapshots_compileNextCmd___lambda__2), 4, 3);
+lean_closure_set(x_114, 0, x_113);
+lean_closure_set(x_114, 1, x_112);
+lean_closure_set(x_114, 2, x_103);
+x_115 = l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1(x_114, x_104);
+if (lean_obj_tag(x_115) == 0)
 {
-lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; uint8_t x_123; 
-x_117 = lean_ctor_get(x_116, 0);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
+x_116 = lean_ctor_get(x_115, 0);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 1);
 lean_inc(x_117);
-x_118 = lean_ctor_get(x_116, 1);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 0);
 lean_inc(x_118);
 lean_dec(x_116);
-x_119 = lean_ctor_get(x_117, 0);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_st_ref_get(x_105, x_118);
-lean_dec(x_105);
-x_121 = lean_ctor_get(x_120, 0);
+x_119 = lean_st_ref_get(x_103, x_117);
+lean_dec(x_103);
+x_120 = lean_ctor_get(x_119, 0);
+lean_inc(x_120);
+x_121 = lean_ctor_get(x_119, 1);
 lean_inc(x_121);
-x_122 = lean_ctor_get(x_120, 1);
-lean_inc(x_122);
-lean_dec(x_120);
-x_123 = l_String_isEmpty(x_119);
-if (x_123 == 0)
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 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_124 = lean_ctor_get(x_121, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_121, 1);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_121, 2);
-lean_inc(x_126);
-x_127 = lean_ctor_get(x_121, 3);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_121, 4);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_121, 5);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_121, 6);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_121, 7);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_121, 8);
-lean_inc(x_132);
-if (lean_is_exclusive(x_121)) {
- lean_ctor_release(x_121, 0);
- lean_ctor_release(x_121, 1);
- lean_ctor_release(x_121, 2);
- lean_ctor_release(x_121, 3);
- lean_ctor_release(x_121, 4);
- lean_ctor_release(x_121, 5);
- lean_ctor_release(x_121, 6);
- lean_ctor_release(x_121, 7);
- lean_ctor_release(x_121, 8);
- x_133 = x_121;
-} else {
- lean_dec_ref(x_121);
- x_133 = lean_box(0);
-}
-x_134 = l_Lean_FileMap_toPosition(x_107, x_108);
-lean_dec(x_108);
-lean_dec(x_107);
-x_135 = lean_box(0);
-x_136 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_136, 0, x_119);
-x_137 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_137, 0, x_136);
-x_138 = 0;
-x_139 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
-x_140 = lean_alloc_ctor(0, 5, 1);
-lean_ctor_set(x_140, 0, x_6);
-lean_ctor_set(x_140, 1, x_134);
-lean_ctor_set(x_140, 2, x_135);
-lean_ctor_set(x_140, 3, x_139);
-lean_ctor_set(x_140, 4, x_137);
-lean_ctor_set_uint8(x_140, sizeof(void*)*5, x_138);
-x_141 = l_Std_PersistentArray_push___rarg(x_125, x_140);
-if (lean_is_scalar(x_133)) {
- x_142 = lean_alloc_ctor(0, 9, 0);
-} else {
- x_142 = x_133;
-}
-lean_ctor_set(x_142, 0, x_124);
-lean_ctor_set(x_142, 1, x_141);
-lean_ctor_set(x_142, 2, x_126);
-lean_ctor_set(x_142, 3, x_127);
-lean_ctor_set(x_142, 4, x_128);
-lean_ctor_set(x_142, 5, x_129);
-lean_ctor_set(x_142, 6, x_130);
-lean_ctor_set(x_142, 7, x_131);
-lean_ctor_set(x_142, 8, x_132);
-x_143 = lean_box(0);
-x_144 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_33, x_27, x_28, x_142, x_143, x_122);
-return x_144;
-}
-else
-{
-lean_object* x_145; lean_object* x_146; 
 lean_dec(x_119);
-lean_dec(x_108);
+x_122 = l_String_isEmpty(x_118);
+if (x_122 == 0)
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+x_123 = lean_ctor_get(x_120, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_120, 1);
+lean_inc(x_124);
+x_125 = lean_ctor_get(x_120, 2);
+lean_inc(x_125);
+x_126 = lean_ctor_get(x_120, 3);
+lean_inc(x_126);
+x_127 = lean_ctor_get(x_120, 4);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_120, 5);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_120, 6);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_120, 7);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_120, 8);
+lean_inc(x_131);
+if (lean_is_exclusive(x_120)) {
+ lean_ctor_release(x_120, 0);
+ lean_ctor_release(x_120, 1);
+ lean_ctor_release(x_120, 2);
+ lean_ctor_release(x_120, 3);
+ lean_ctor_release(x_120, 4);
+ lean_ctor_release(x_120, 5);
+ lean_ctor_release(x_120, 6);
+ lean_ctor_release(x_120, 7);
+ lean_ctor_release(x_120, 8);
+ x_132 = x_120;
+} else {
+ lean_dec_ref(x_120);
+ x_132 = lean_box(0);
+}
+x_133 = l_Lean_FileMap_toPosition(x_106, x_107);
 lean_dec(x_107);
-x_145 = lean_box(0);
-x_146 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_33, x_27, x_28, x_121, x_145, x_122);
-return x_146;
+lean_dec(x_106);
+x_134 = lean_box(0);
+x_135 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_135, 0, x_118);
+x_136 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_136, 0, x_135);
+x_137 = 0;
+x_138 = l_Lean_Server_Snapshots_compileNextCmd___closed__1;
+x_139 = lean_alloc_ctor(0, 5, 1);
+lean_ctor_set(x_139, 0, x_105);
+lean_ctor_set(x_139, 1, x_133);
+lean_ctor_set(x_139, 2, x_134);
+lean_ctor_set(x_139, 3, x_138);
+lean_ctor_set(x_139, 4, x_136);
+lean_ctor_set_uint8(x_139, sizeof(void*)*5, x_137);
+x_140 = l_Std_PersistentArray_push___rarg(x_124, x_139);
+if (lean_is_scalar(x_132)) {
+ x_141 = lean_alloc_ctor(0, 9, 0);
+} else {
+ x_141 = x_132;
+}
+lean_ctor_set(x_141, 0, x_123);
+lean_ctor_set(x_141, 1, x_140);
+lean_ctor_set(x_141, 2, x_125);
+lean_ctor_set(x_141, 3, x_126);
+lean_ctor_set(x_141, 4, x_127);
+lean_ctor_set(x_141, 5, x_128);
+lean_ctor_set(x_141, 6, x_129);
+lean_ctor_set(x_141, 7, x_130);
+lean_ctor_set(x_141, 8, x_131);
+x_142 = lean_box(0);
+x_143 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_30, x_24, x_25, x_141, x_142, x_121);
+return x_143;
+}
+else
+{
+lean_object* x_144; lean_object* x_145; 
+lean_dec(x_118);
+lean_dec(x_107);
+lean_dec(x_106);
+lean_dec(x_105);
+x_144 = lean_box(0);
+x_145 = l_Lean_Server_Snapshots_compileNextCmd___lambda__3(x_1, x_2, x_3, x_30, x_24, x_25, x_120, x_144, x_121);
+return x_145;
 }
 }
 else
 {
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-lean_dec(x_108);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
 lean_dec(x_107);
+lean_dec(x_106);
 lean_dec(x_105);
-lean_dec(x_33);
-lean_dec(x_28);
-lean_dec(x_27);
+lean_dec(x_103);
+lean_dec(x_30);
+lean_dec(x_25);
+lean_dec(x_24);
 lean_dec(x_2);
 lean_dec(x_1);
-x_147 = lean_ctor_get(x_116, 0);
+x_146 = lean_ctor_get(x_115, 0);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_115, 1);
 lean_inc(x_147);
-x_148 = lean_ctor_get(x_116, 1);
-lean_inc(x_148);
-if (lean_is_exclusive(x_116)) {
- lean_ctor_release(x_116, 0);
- lean_ctor_release(x_116, 1);
- x_149 = x_116;
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_148 = x_115;
 } else {
- lean_dec_ref(x_116);
- x_149 = lean_box(0);
+ lean_dec_ref(x_115);
+ x_148 = lean_box(0);
 }
-if (lean_is_scalar(x_149)) {
- x_150 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_148)) {
+ x_149 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_150 = x_149;
+ x_149 = x_148;
 }
-lean_ctor_set(x_150, 0, x_147);
-lean_ctor_set(x_150, 1, x_148);
+lean_ctor_set(x_149, 0, x_146);
+lean_ctor_set(x_149, 1, x_147);
+return x_149;
+}
+}
+}
+else
+{
+lean_object* x_150; uint8_t x_151; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_inc(x_2);
+x_150 = l_Lean_Server_Snapshots_compileNextCmd_withNewInteractiveDiags(x_1, x_2, x_3, x_26, x_4);
+x_151 = !lean_is_exclusive(x_2);
+if (x_151 == 0)
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
+x_152 = lean_ctor_get(x_2, 4);
+lean_dec(x_152);
+x_153 = lean_ctor_get(x_2, 3);
+lean_dec(x_153);
+x_154 = lean_ctor_get(x_2, 2);
+lean_dec(x_154);
+x_155 = lean_ctor_get(x_2, 1);
+lean_dec(x_155);
+x_156 = lean_ctor_get(x_2, 0);
+lean_dec(x_156);
+x_157 = !lean_is_exclusive(x_150);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_150, 0);
+lean_ctor_set(x_2, 4, x_158);
+lean_ctor_set(x_2, 2, x_25);
+lean_ctor_set(x_2, 1, x_24);
+lean_ctor_set(x_2, 0, x_30);
+lean_ctor_set(x_150, 0, x_2);
 return x_150;
 }
+else
+{
+lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+x_159 = lean_ctor_get(x_150, 0);
+x_160 = lean_ctor_get(x_150, 1);
+lean_inc(x_160);
+lean_inc(x_159);
+lean_dec(x_150);
+lean_ctor_set(x_2, 4, x_159);
+lean_ctor_set(x_2, 2, x_25);
+lean_ctor_set(x_2, 1, x_24);
+lean_ctor_set(x_2, 0, x_30);
+x_161 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_161, 0, x_2);
+lean_ctor_set(x_161, 1, x_160);
+return x_161;
 }
 }
 else
 {
-lean_object* x_151; uint8_t x_152; 
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+lean_dec(x_2);
+x_162 = lean_ctor_get(x_150, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_150, 1);
+lean_inc(x_163);
+if (lean_is_exclusive(x_150)) {
+ lean_ctor_release(x_150, 0);
+ lean_ctor_release(x_150, 1);
+ x_164 = x_150;
+} else {
+ lean_dec_ref(x_150);
+ x_164 = lean_box(0);
+}
+x_165 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_165, 0, x_30);
+lean_ctor_set(x_165, 1, x_24);
+lean_ctor_set(x_165, 2, x_25);
+lean_ctor_set(x_165, 3, x_5);
+lean_ctor_set(x_165, 4, x_162);
+if (lean_is_scalar(x_164)) {
+ x_166 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_166 = x_164;
+}
+lean_ctor_set(x_166, 0, x_165);
+lean_ctor_set(x_166, 1, x_163);
+return x_166;
+}
+}
+}
+else
+{
+lean_object* x_167; uint8_t x_168; 
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_5);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_inc(x_2);
-x_151 = l_Lean_Server_Snapshots_compileNextCmd_withNewInteractiveDiags(x_1, x_2, x_3, x_29, x_4);
-x_152 = !lean_is_exclusive(x_2);
-if (x_152 == 0)
+x_167 = l_Lean_Server_Snapshots_compileNextCmd_withNewInteractiveDiags(x_1, x_2, x_3, x_26, x_4);
+x_168 = !lean_is_exclusive(x_2);
+if (x_168 == 0)
 {
-lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; uint8_t x_158; 
-x_153 = lean_ctor_get(x_2, 4);
-lean_dec(x_153);
-x_154 = lean_ctor_get(x_2, 3);
-lean_dec(x_154);
-x_155 = lean_ctor_get(x_2, 2);
-lean_dec(x_155);
-x_156 = lean_ctor_get(x_2, 1);
-lean_dec(x_156);
-x_157 = lean_ctor_get(x_2, 0);
-lean_dec(x_157);
-x_158 = !lean_is_exclusive(x_151);
-if (x_158 == 0)
+lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; uint8_t x_174; 
+x_169 = lean_ctor_get(x_2, 4);
+lean_dec(x_169);
+x_170 = lean_ctor_get(x_2, 3);
+lean_dec(x_170);
+x_171 = lean_ctor_get(x_2, 2);
+lean_dec(x_171);
+x_172 = lean_ctor_get(x_2, 1);
+lean_dec(x_172);
+x_173 = lean_ctor_get(x_2, 0);
+lean_dec(x_173);
+x_174 = !lean_is_exclusive(x_167);
+if (x_174 == 0)
 {
-lean_object* x_159; 
-x_159 = lean_ctor_get(x_151, 0);
-lean_ctor_set(x_2, 4, x_159);
-lean_ctor_set(x_2, 2, x_28);
-lean_ctor_set(x_2, 1, x_27);
-lean_ctor_set(x_2, 0, x_33);
-lean_ctor_set(x_151, 0, x_2);
-return x_151;
-}
-else
-{
-lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_160 = lean_ctor_get(x_151, 0);
-x_161 = lean_ctor_get(x_151, 1);
-lean_inc(x_161);
-lean_inc(x_160);
-lean_dec(x_151);
-lean_ctor_set(x_2, 4, x_160);
-lean_ctor_set(x_2, 2, x_28);
-lean_ctor_set(x_2, 1, x_27);
-lean_ctor_set(x_2, 0, x_33);
-x_162 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_162, 0, x_2);
-lean_ctor_set(x_162, 1, x_161);
-return x_162;
-}
-}
-else
-{
-lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-lean_dec(x_2);
-x_163 = lean_ctor_get(x_151, 0);
-lean_inc(x_163);
-x_164 = lean_ctor_get(x_151, 1);
-lean_inc(x_164);
-if (lean_is_exclusive(x_151)) {
- lean_ctor_release(x_151, 0);
- lean_ctor_release(x_151, 1);
- x_165 = x_151;
-} else {
- lean_dec_ref(x_151);
- x_165 = lean_box(0);
-}
-x_166 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_166, 0, x_33);
-lean_ctor_set(x_166, 1, x_27);
-lean_ctor_set(x_166, 2, x_28);
-lean_ctor_set(x_166, 3, x_8);
-lean_ctor_set(x_166, 4, x_163);
-if (lean_is_scalar(x_165)) {
- x_167 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_167 = x_165;
-}
-lean_ctor_set(x_167, 0, x_166);
-lean_ctor_set(x_167, 1, x_164);
+lean_object* x_175; 
+x_175 = lean_ctor_get(x_167, 0);
+lean_ctor_set(x_2, 4, x_175);
+lean_ctor_set(x_2, 2, x_25);
+lean_ctor_set(x_2, 1, x_24);
+lean_ctor_set(x_2, 0, x_30);
+lean_ctor_set(x_167, 0, x_2);
 return x_167;
 }
-}
-}
 else
 {
-lean_object* x_168; uint8_t x_169; 
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_5);
-lean_inc(x_2);
-x_168 = l_Lean_Server_Snapshots_compileNextCmd_withNewInteractiveDiags(x_1, x_2, x_3, x_29, x_4);
-x_169 = !lean_is_exclusive(x_2);
-if (x_169 == 0)
-{
-lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; 
-x_170 = lean_ctor_get(x_2, 4);
-lean_dec(x_170);
-x_171 = lean_ctor_get(x_2, 3);
-lean_dec(x_171);
-x_172 = lean_ctor_get(x_2, 2);
-lean_dec(x_172);
-x_173 = lean_ctor_get(x_2, 1);
-lean_dec(x_173);
-x_174 = lean_ctor_get(x_2, 0);
-lean_dec(x_174);
-x_175 = !lean_is_exclusive(x_168);
-if (x_175 == 0)
-{
-lean_object* x_176; 
-x_176 = lean_ctor_get(x_168, 0);
-lean_ctor_set(x_2, 4, x_176);
-lean_ctor_set(x_2, 2, x_28);
-lean_ctor_set(x_2, 1, x_27);
-lean_ctor_set(x_2, 0, x_33);
-lean_ctor_set(x_168, 0, x_2);
-return x_168;
-}
-else
-{
-lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-x_177 = lean_ctor_get(x_168, 0);
-x_178 = lean_ctor_get(x_168, 1);
-lean_inc(x_178);
+lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_176 = lean_ctor_get(x_167, 0);
+x_177 = lean_ctor_get(x_167, 1);
 lean_inc(x_177);
-lean_dec(x_168);
-lean_ctor_set(x_2, 4, x_177);
-lean_ctor_set(x_2, 2, x_28);
-lean_ctor_set(x_2, 1, x_27);
-lean_ctor_set(x_2, 0, x_33);
-x_179 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_179, 0, x_2);
-lean_ctor_set(x_179, 1, x_178);
-return x_179;
+lean_inc(x_176);
+lean_dec(x_167);
+lean_ctor_set(x_2, 4, x_176);
+lean_ctor_set(x_2, 2, x_25);
+lean_ctor_set(x_2, 1, x_24);
+lean_ctor_set(x_2, 0, x_30);
+x_178 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_178, 0, x_2);
+lean_ctor_set(x_178, 1, x_177);
+return x_178;
 }
 }
 else
 {
-lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
 lean_dec(x_2);
-x_180 = lean_ctor_get(x_168, 0);
+x_179 = lean_ctor_get(x_167, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_167, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_168, 1);
-lean_inc(x_181);
-if (lean_is_exclusive(x_168)) {
- lean_ctor_release(x_168, 0);
- lean_ctor_release(x_168, 1);
- x_182 = x_168;
+if (lean_is_exclusive(x_167)) {
+ lean_ctor_release(x_167, 0);
+ lean_ctor_release(x_167, 1);
+ x_181 = x_167;
 } else {
- lean_dec_ref(x_168);
- x_182 = lean_box(0);
+ lean_dec_ref(x_167);
+ x_181 = lean_box(0);
 }
-x_183 = lean_alloc_ctor(0, 5, 0);
-lean_ctor_set(x_183, 0, x_33);
-lean_ctor_set(x_183, 1, x_27);
-lean_ctor_set(x_183, 2, x_28);
-lean_ctor_set(x_183, 3, x_8);
-lean_ctor_set(x_183, 4, x_180);
-if (lean_is_scalar(x_182)) {
- x_184 = lean_alloc_ctor(0, 2, 0);
+x_182 = lean_alloc_ctor(0, 5, 0);
+lean_ctor_set(x_182, 0, x_30);
+lean_ctor_set(x_182, 1, x_24);
+lean_ctor_set(x_182, 2, x_25);
+lean_ctor_set(x_182, 3, x_5);
+lean_ctor_set(x_182, 4, x_179);
+if (lean_is_scalar(x_181)) {
+ x_183 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_184 = x_182;
+ x_183 = x_181;
 }
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_181);
-return x_184;
+lean_ctor_set(x_183, 0, x_182);
+lean_ctor_set(x_183, 1, x_180);
+return x_183;
 }
 }
 }
@@ -2407,8 +2397,6 @@ l_Lean_Server_Snapshots_Snapshot_infoTree___closed__5 = _init_l_Lean_Server_Snap
 lean_mark_persistent(l_Lean_Server_Snapshots_Snapshot_infoTree___closed__5);
 l_Lean_Server_Snapshots_Snapshot_infoTree___closed__6 = _init_l_Lean_Server_Snapshots_Snapshot_infoTree___closed__6();
 lean_mark_persistent(l_Lean_Server_Snapshots_Snapshot_infoTree___closed__6);
-l_Lean_Server_Snapshots_reparseHeader___closed__1 = _init_l_Lean_Server_Snapshots_reparseHeader___closed__1();
-lean_mark_persistent(l_Lean_Server_Snapshots_reparseHeader___closed__1);
 l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1___closed__1 = _init_l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1___closed__1();
 lean_mark_persistent(l_IO_FS_withIsolatedStreams___at_Lean_Server_Snapshots_compileNextCmd___spec__1___closed__1);
 l_Lean_Server_Snapshots_compileNextCmd___closed__1 = _init_l_Lean_Server_Snapshots_compileNextCmd___closed__1();
diff --git a/stage0/stdlib/Lean/Server/Utils.c b/stage0/stdlib/Lean/Server/Utils.c
index e2d597d95f..0f77df69c5 100644
--- a/stage0/stdlib/Lean/Server/Utils.c
+++ b/stage0/stdlib/Lean/Server/Utils.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Server.Utils
-// Imports: Init Lean.Data.Position Lean.Data.Lsp Lean.Server.InfoUtils Init.System.FilePath
+// Imports: Init Lean.Data.Position Lean.Data.Lsp Lean.Server.InfoUtils Init.System.FilePath Lean.Parser.Basic
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -47,6 +47,7 @@ lean_object* l_Lean_FileMap_lspPosToUtf8Pos(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_IO_throwServerError___rarg(lean_object*, lean_object*);
 lean_object* l_String_dropWhile(lean_object*, lean_object*);
 lean_object* lean_string_utf8_byte_size(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Server_DocumentMeta_mkInputContext(lean_object*);
 static lean_object* l_Lean_Server_publishDiagnostics___closed__1;
 lean_object* l_Lean_FileMap_utf8PosToLspPos(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_IO_FS_Stream_chainLeft___elambda__5(lean_object*, lean_object*, lean_object*);
@@ -1511,6 +1512,43 @@ x_1 = l_Lean_Server_instInhabitedDocumentMeta___closed__4;
 return x_1;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Server_DocumentMeta_mkInputContext(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = lean_ctor_get(x_1, 2);
+lean_inc(x_2);
+x_3 = lean_ctor_get(x_1, 0);
+lean_inc(x_3);
+lean_dec(x_1);
+x_4 = lean_ctor_get(x_2, 0);
+lean_inc(x_4);
+lean_inc(x_3);
+x_5 = l_Lean_Lsp_DocumentUri_toPath_x3f(x_3);
+if (lean_obj_tag(x_5) == 0)
+{
+lean_object* x_6; 
+x_6 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_6, 0, x_4);
+lean_ctor_set(x_6, 1, x_3);
+lean_ctor_set(x_6, 2, x_2);
+return x_6;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; 
+lean_dec(x_3);
+x_7 = lean_ctor_get(x_5, 0);
+lean_inc(x_7);
+lean_dec(x_5);
+x_8 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_8, 0, x_4);
+lean_ctor_set(x_8, 1, x_7);
+lean_ctor_set(x_8, 2, x_2);
+return x_8;
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Server_replaceLspRange(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -2085,6 +2123,7 @@ lean_object* initialize_Lean_Data_Position(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Data_Lsp(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Server_InfoUtils(uint8_t builtin, lean_object*);
 lean_object* initialize_Init_System_FilePath(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Parser_Basic(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Lean_Server_Utils(uint8_t builtin, lean_object* w) {
 lean_object * res;
@@ -2105,6 +2144,9 @@ lean_dec_ref(res);
 res = initialize_Init_System_FilePath(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Parser_Basic(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 l_Lean_Lsp_DocumentUri_ofPath___closed__1 = _init_l_Lean_Lsp_DocumentUri_ofPath___closed__1();
 lean_mark_persistent(l_Lean_Lsp_DocumentUri_ofPath___closed__1);
 l_Lean_Lsp_DocumentUri_ofPath___closed__2 = _init_l_Lean_Lsp_DocumentUri_ofPath___closed__2();
diff --git a/stage0/stdlib/Lean/Util/Path.c b/stage0/stdlib/Lean/Util/Path.c
index 2d3df2cf19..5b122b7cc7 100644
--- a/stage0/stdlib/Lean/Util/Path.c
+++ b/stage0/stdlib/Lean/Util/Path.c
@@ -21,11 +21,10 @@ LEAN_EXPORT lean_object* l_Lean_moduleNameOfFileName___lambda__2(lean_object*, l
 static lean_object* l_Lean_modToFilePath_go___closed__4;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_findOLean___closed__3;
-static lean_object* l_Lean_findSysroot_x3f___lambda__1___closed__3;
 static lean_object* l_Lean_modToFilePath_go___closed__1;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_searchModuleNameOfFileName___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_findSysroot_x3f___closed__1;
+static lean_object* l_Lean_findSysroot___closed__1;
 lean_object* l_System_FilePath_join(lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
@@ -33,27 +32,32 @@ lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Lean_modToFilePath_go___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* lean_init_search_path(lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findSysroot(lean_object*, lean_object*);
 extern uint8_t l_System_FilePath_isCaseInsensitive;
 LEAN_EXPORT lean_object* l_Lean_SearchPath_findWithExt___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_SearchPath_findAllWithExt___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_searchPathRef;
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f(lean_object*, lean_object*);
+static lean_object* l_Lean_findSysroot___lambda__1___closed__2;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+static lean_object* l_Lean_findSysroot___lambda__1___closed__4;
 lean_object* l_System_FilePath_components(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getBuiltinSearchPath(lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_modToFilePath_go(lean_object*, lean_object*);
+static lean_object* l_Lean_findSysroot___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_moduleNameOfFileName___lambda__3(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findSysroot___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_SearchPath_findAllWithExt___spec__3___closed__1;
 static lean_object* l_Lean_moduleNameOfFileName___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_findOLean(lean_object*, lean_object*);
+static lean_object* l_Lean_findSysroot___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_modToFilePath___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_System_FilePath_pathExists(lean_object*, lean_object*);
 static lean_object* l_Lean_initSearchPath___closed__1;
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_SearchPath_findAllWithExt___spec__3___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findSysroot___lambda__1(lean_object*, lean_object*, lean_object*);
 static uint8_t l_Lean_getLibDir___closed__2;
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_searchModuleNameOfFileName___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_findOLean_maybeThisOne___closed__2;
@@ -115,7 +119,6 @@ static lean_object* l_Lean_findOLean_maybeThisOne___closed__1;
 lean_object* l_System_FilePath_isDir(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_modToFilePath(lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_findSysroot_x3f___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_800____at_Lean_SearchPath_findAllWithExt___spec__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_SearchPath_findAllWithExt___closed__1;
 LEAN_EXPORT uint8_t l___private_Lean_Util_Path_0__Lean_isStage0(lean_object*);
@@ -134,12 +137,9 @@ LEAN_EXPORT uint8_t l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_
 lean_object* l_System_FilePath_withExtension(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_findOLean_maybeThisOne(lean_object*, lean_object*, lean_object*);
 lean_object* l_String_drop(lean_object*, lean_object*);
-static lean_object* l_Lean_findSysroot_x3f___lambda__1___closed__4;
 LEAN_EXPORT lean_object* l_List_findM_x3f___at_Lean_SearchPath_findWithExt___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_getRoot(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_SearchPath_findModuleWithExt(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_findSysroot_x3f___lambda__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_searchModuleNameOfFileName___lambda__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_getBuildDir___closed__2;
 lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
@@ -2306,7 +2306,7 @@ lean_dec(x_2);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_findSysroot_x3f___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_findSysroot___lambda__1___closed__1() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; 
@@ -2318,7 +2318,7 @@ lean_ctor_set_uint8(x_2, 2, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_findSysroot_x3f___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_findSysroot___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -2327,7 +2327,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_findSysroot_x3f___lambda__1___closed__3() {
+static lean_object* _init_l_Lean_findSysroot___lambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -2335,23 +2335,23 @@ x_1 = lean_mk_string("--print-prefix");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_findSysroot_x3f___lambda__1___closed__4() {
+static lean_object* _init_l_Lean_findSysroot___lambda__1___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_findSysroot_x3f___lambda__1___closed__2;
-x_2 = l_Lean_findSysroot_x3f___lambda__1___closed__3;
+x_1 = l_Lean_findSysroot___lambda__1___closed__2;
+x_2 = l_Lean_findSysroot___lambda__1___closed__3;
 x_3 = lean_array_push(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_findSysroot___lambda__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; 
 x_4 = lean_box(0);
-x_5 = l_Lean_findSysroot_x3f___lambda__1___closed__1;
-x_6 = l_Lean_findSysroot_x3f___lambda__1___closed__4;
+x_5 = l_Lean_findSysroot___lambda__1___closed__1;
+x_6 = l_Lean_findSysroot___lambda__1___closed__4;
 x_7 = l_Lean_SearchPath_findAllWithExt___closed__1;
 x_8 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_8, 0, x_5);
@@ -2413,7 +2413,7 @@ return x_20;
 }
 }
 }
-static lean_object* _init_l_Lean_findSysroot_x3f___closed__1() {
+static lean_object* _init_l_Lean_findSysroot___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -2421,11 +2421,11 @@ x_1 = lean_mk_string("LEAN_SYSROOT");
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_findSysroot(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_3 = l_Lean_findSysroot_x3f___closed__1;
+x_3 = l_Lean_findSysroot___closed__1;
 x_4 = lean_io_getenv(x_3, x_2);
 x_5 = lean_ctor_get(x_4, 0);
 lean_inc(x_5);
@@ -2436,7 +2436,7 @@ x_6 = lean_ctor_get(x_4, 1);
 lean_inc(x_6);
 lean_dec(x_4);
 x_7 = lean_box(0);
-x_8 = l_Lean_findSysroot_x3f___lambda__1(x_1, x_7, x_6);
+x_8 = l_Lean_findSysroot___lambda__1(x_1, x_7, x_6);
 return x_8;
 }
 else
@@ -2472,11 +2472,11 @@ return x_14;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findSysroot_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_findSysroot___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_Lean_findSysroot_x3f___lambda__1(x_1, x_2, x_3);
+x_4 = l_Lean_findSysroot___lambda__1(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
@@ -2560,16 +2560,16 @@ l_Lean_moduleNameOfFileName___lambda__3___closed__1 = _init_l_Lean_moduleNameOfF
 lean_mark_persistent(l_Lean_moduleNameOfFileName___lambda__3___closed__1);
 l_Lean_searchModuleNameOfFileName___closed__1 = _init_l_Lean_searchModuleNameOfFileName___closed__1();
 lean_mark_persistent(l_Lean_searchModuleNameOfFileName___closed__1);
-l_Lean_findSysroot_x3f___lambda__1___closed__1 = _init_l_Lean_findSysroot_x3f___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_findSysroot_x3f___lambda__1___closed__1);
-l_Lean_findSysroot_x3f___lambda__1___closed__2 = _init_l_Lean_findSysroot_x3f___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_findSysroot_x3f___lambda__1___closed__2);
-l_Lean_findSysroot_x3f___lambda__1___closed__3 = _init_l_Lean_findSysroot_x3f___lambda__1___closed__3();
-lean_mark_persistent(l_Lean_findSysroot_x3f___lambda__1___closed__3);
-l_Lean_findSysroot_x3f___lambda__1___closed__4 = _init_l_Lean_findSysroot_x3f___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_findSysroot_x3f___lambda__1___closed__4);
-l_Lean_findSysroot_x3f___closed__1 = _init_l_Lean_findSysroot_x3f___closed__1();
-lean_mark_persistent(l_Lean_findSysroot_x3f___closed__1);
+l_Lean_findSysroot___lambda__1___closed__1 = _init_l_Lean_findSysroot___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_findSysroot___lambda__1___closed__1);
+l_Lean_findSysroot___lambda__1___closed__2 = _init_l_Lean_findSysroot___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_findSysroot___lambda__1___closed__2);
+l_Lean_findSysroot___lambda__1___closed__3 = _init_l_Lean_findSysroot___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_findSysroot___lambda__1___closed__3);
+l_Lean_findSysroot___lambda__1___closed__4 = _init_l_Lean_findSysroot___lambda__1___closed__4();
+lean_mark_persistent(l_Lean_findSysroot___lambda__1___closed__4);
+l_Lean_findSysroot___closed__1 = _init_l_Lean_findSysroot___closed__1();
+lean_mark_persistent(l_Lean_findSysroot___closed__1);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Widget/InteractiveCode.c b/stage0/stdlib/Lean/Widget/InteractiveCode.c
index 91a2b8871f..73b9698ffc 100644
--- a/stage0/stdlib/Lean/Widget/InteractiveCode.c
+++ b/stage0/stdlib/Lean/Widget/InteractiveCode.c
@@ -59,7 +59,6 @@ static lean_object* l___private_Lean_Widget_InteractiveCode_0__Lean_Widget_Lean_
 LEAN_EXPORT lean_object* l_Lean_Widget_Lean_Widget_CodeToken_instRpcEncodingCodeTokenRpcEncodingPacket___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Widget_instInhabitedInfoWithCtx___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Widget_Lean_Widget_InfoWithCtx_instRpcEncodingWithRpcRefInfoWithCtxRpcRef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1(lean_object*);
 static lean_object* l_Lean_Widget_Lean_Widget_CodeToken_instRpcEncodingCodeTokenRpcEncodingPacket___closed__3;
 static lean_object* l___private_Lean_Widget_InteractiveCode_0__Lean_Widget_Lean_Widget_InfoWithCtx_encodeUnsafe____x40_Lean_Widget_InteractiveCode___hyg_5____rarg___closed__1;
 lean_object* l_Lean_Widget_TaggedText_rewrite___rarg(lean_object*, lean_object*);
@@ -102,8 +101,8 @@ static lean_object* l_Lean_Widget_Lean_Widget_InfoWithCtx_instRpcEncodingWithRpc
 static lean_object* l_Lean_Widget_Lean_Widget_CodeToken_instFromJsonRpcEncodingPacket___closed__1;
 lean_object* l_Lean_Json_getObjValD(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Widget_InteractiveCode_0__Lean_Widget_Lean_Widget_CodeToken_toJsonRpcEncodingPacket____x40_Lean_Widget_InteractiveCode___hyg_213____boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Std_RBNode_isRed___rarg(lean_object*);
+lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Meta_Tactic_Simp_SimpTheorems_0__Lean_Meta_isPerm___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Widget_InteractiveCode_0__Lean_Widget_formatWithOpts(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_KVMap_empty;
 static lean_object* l_Lean_Widget_instInhabitedInfoWithCtx___closed__4;
@@ -136,7 +135,6 @@ lean_object* lean_nat_mod(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Widget_Lean_Widget_CodeToken_instRpcEncodingCodeTokenRpcEncodingPacket___lambda__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_del___at_Lean_Widget_exprToInteractiveExplicit___spec__2___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Widget_InteractiveCode_0__Lean_Widget_Lean_Widget_InfoWithCtx_decodeUnsafe____x40_Lean_Widget_InteractiveCode___hyg_5_(lean_object*);
-lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint32_t lean_uint32_of_nat(lean_object*);
 static lean_object* l_Lean_Widget_instInhabitedInfoWithCtx___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Widget_Lean_Widget_InfoWithCtx_instRpcEncodingWithRpcRefInfoWithCtxRpcRef___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -925,65 +923,6 @@ return x_1;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1___rarg(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) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_10) == 0)
-{
-uint8_t x_11; 
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_ctor_get(x_10, 1);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_dec(x_10);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_12);
-lean_ctor_set(x_14, 1, x_13);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_10);
-if (x_15 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_10, 0);
-x_17 = lean_ctor_get(x_10, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_10);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1___rarg), 9, 0);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Widget_traverse_go___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) {
 _start:
 {
@@ -1070,7 +1009,7 @@ lean_dec(x_3);
 x_25 = lean_alloc_closure((void*)(l_Lean_Widget_traverse_go___lambda__1), 8, 2);
 lean_closure_set(x_25, 0, x_24);
 lean_closure_set(x_25, 1, x_12);
-x_26 = l_Lean_Meta_withLetDecl___at_Lean_Widget_traverse_go___spec__1___rarg(x_21, x_22, x_23, x_25, x_4, x_5, x_6, x_7, x_8);
+x_26 = l_Lean_Meta_withLetDecl___at___private_Lean_Meta_Tactic_Simp_SimpTheorems_0__Lean_Meta_isPerm___spec__1___rarg(x_21, x_22, x_23, x_25, x_4, x_5, x_6, x_7, x_8);
 return x_26;
 }
 else