From 7a13eaea8da4886ec385ddb7c574ce5da45f070b Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Sat, 19 Feb 2022 08:11:17 -0800
Subject: [PATCH] chore: update stage0

---
 stage0/src/Init/Data/Array/Basic.lean         |   23 +
 stage0/src/Lean/Elab/Match.lean               |   10 +-
 .../src/Lean/Elab/PreDefinition/WF/Fix.lean   |   31 +-
 .../src/Lean/Elab/PreDefinition/WF/Main.lean  |   71 +-
 .../Elab/PreDefinition/WF/PackDomain.lean     |   34 +-
 .../Elab/PreDefinition/WF/PackMutual.lean     |  140 +-
 .../src/Lean/Elab/PreDefinition/WF/Rel.lean   |   23 +-
 stage0/src/Lean/Meta/ExprDefEq.lean           |   58 +-
 stage0/stdlib/Init/Data/Array/Basic.c         |  145 +-
 stage0/stdlib/Lean/Elab/Match.c               |  797 +-
 .../stdlib/Lean/Elab/PreDefinition/WF/Fix.c   | 6772 +++++++++--------
 .../stdlib/Lean/Elab/PreDefinition/WF/Main.c  | 4789 +++++++++---
 .../Lean/Elab/PreDefinition/WF/PackDomain.c   | 2139 +++---
 .../Lean/Elab/PreDefinition/WF/PackMutual.c   | 2963 ++++----
 .../stdlib/Lean/Elab/PreDefinition/WF/Rel.c   | 4896 ++++++++----
 stage0/stdlib/Lean/Meta/ExprDefEq.c           | 2815 +++++--
 16 files changed, 16609 insertions(+), 9097 deletions(-)

diff --git a/stage0/src/Init/Data/Array/Basic.lean b/stage0/src/Init/Data/Array/Basic.lean
index 63460d9559..a255b22f29 100644
--- a/stage0/src/Init/Data/Array/Basic.lean
+++ b/stage0/src/Init/Data/Array/Basic.lean
@@ -633,6 +633,29 @@ def indexOf? [BEq α] (a : Array α) (v : α) : Option (Fin a.size) :=
 @[simp] theorem size_pop (a : Array α) : a.pop.size = a.size - 1 :=
   List.length_dropLast ..
 
+def popWhile (p : α → Bool) (as : Array α) : Array α :=
+  if h : as.size > 0 then
+    if p (as.get ⟨as.size - 1, Nat.sub_lt h (by decide)⟩) then
+      popWhile p as.pop
+    else
+      as
+  else
+    as
+termination_by popWhile as => as.size
+
+def takeWhile (p : α → Bool) (as : Array α) : Array α :=
+  let rec go (i : Nat) (r : Array α) : Array α :=
+    if h : i < as.size then
+      let a := as.get ⟨i, h⟩
+      if p a then
+        go (i+1) (r.push a)
+      else
+        r
+    else
+      r
+  go 0 #[]
+termination_by go i r => as.size - i
+
 def eraseIdxAux (i : Nat) (a : Array α) : Array α :=
   if h : i < a.size then
     let idx  : Fin a.size := ⟨i, h⟩;
diff --git a/stage0/src/Lean/Elab/Match.lean b/stage0/src/Lean/Elab/Match.lean
index 043ae36824..376861d9c2 100644
--- a/stage0/src/Lean/Elab/Match.lean
+++ b/stage0/src/Lean/Elab/Match.lean
@@ -568,7 +568,15 @@ private def elabMatchAltView (alt : MatchAltView) (matchType : Expr) : ExceptT P
   withPatternVars patternVars fun patternVarDecls => do
     withElaboratedLHS alt.ref patternVarDecls alt.patterns matchType fun altLHS matchType => do
       withLocalInstances altLHS.fvarDecls do
-        let rhs ← elabTermEnsuringType alt.rhs matchType
+        trace[Elab.match] "elabMatchAltView: {matchType}"
+        let matchType ← instantiateMVars matchType
+        -- If `matchType` is of the form `@m ...`, we create a new metavariable with the current scope.
+        -- This improves the effectiveness of the `isDefEq` default approximations
+        let matchType' ← if matchType.getAppFn.isMVar then mkFreshTypeMVar else pure matchType
+        let rhs ← elabTermEnsuringType alt.rhs matchType'
+        -- We use all approximations to ensure the auxiliary type is defeq to the original one.
+        unless (← fullApproxDefEq <| isDefEq matchType' matchType) do
+          throwError "type mistmatch, alternative {← mkHasTypeButIsExpectedMsg matchType' matchType}"
         let xs := altLHS.fvarDecls.toArray.map LocalDecl.toExpr
         let rhs ← if xs.isEmpty then pure <| mkSimpleThunk rhs else mkLambdaFVars xs rhs
         trace[Elab.match] "rhs: {rhs}"
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
index 5a482d4aa2..c0be3fbe90 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
@@ -29,7 +29,7 @@ private def mkDecreasingProof (decreasingProp : Expr) (decrTactic? : Option Synt
   | some decrTactic => Term.runTactic mvarId decrTactic
   instantiateMVars mvar
 
-private partial def replaceRecApps (recFnName : Name) (decrTactic? : Option Syntax) (F : Expr) (e : Expr) : TermElabM Expr :=
+private partial def replaceRecApps (recFnName : Name) (fixedPrefixSize : Nat) (decrTactic? : Option Syntax) (F : Expr) (e : Expr) : TermElabM Expr :=
   let rec loop (F : Expr) (e : Expr) : TermElabM Expr := do
     match e with
     | Expr.lam n d b c =>
@@ -50,8 +50,8 @@ private partial def replaceRecApps (recFnName : Name) (decrTactic? : Option Synt
     | Expr.app _ _ _ =>
       let processApp (e : Expr) : TermElabM Expr :=
         e.withApp fun f args => do
-          if f.isConstOf recFnName && args.size == 1 then
-            let r := mkApp F (← loop F args[0])
+          if f.isConstOf recFnName && args.size == fixedPrefixSize + 1 then
+            let r := mkApp F (← loop F args.back)
             let decreasingProp := (← whnf (← inferType r)).bindingDomain!
             return mkApp r (← mkDecreasingProof decreasingProp decrTactic?)
           else
@@ -59,7 +59,7 @@ private partial def replaceRecApps (recFnName : Name) (decrTactic? : Option Synt
       let matcherApp? ← matchMatcherApp? e
       match matcherApp? with
       | some matcherApp =>
-        if !Structural.recArgHasLooseBVarsAt recFnName 0 e then
+        if !Structural.recArgHasLooseBVarsAt recFnName fixedPrefixSize e then
           processApp e
         else
           let matcherApp ← mapError (matcherApp.addArg F) (fun msg => "failed to add functional argument to 'matcher' application" ++ indentD msg)
@@ -77,9 +77,9 @@ private partial def replaceRecApps (recFnName : Name) (decrTactic? : Option Synt
     | e => ensureNoRecFn recFnName e
   loop F e
 
-/-- Refine `F` over `Sum.casesOn` -/
+/-- Refine `F` over `PSum.casesOn` -/
 private partial def processSumCasesOn (x F val : Expr) (k : (x : Expr) → (F : Expr) → (val : Expr) → TermElabM Expr) : TermElabM Expr := do
-  if x.isFVar && val.isAppOfArity ``Sum.casesOn 6 && val.getArg! 3 == x && (val.getArg! 4).isLambda && (val.getArg! 5).isLambda then
+  if x.isFVar && val.isAppOfArity ``PSum.casesOn 6 && val.getArg! 3 == x && (val.getArg! 4).isLambda && (val.getArg! 5).isLambda then
     let args := val.getAppArgs
     let α := args[0]
     let β := args[1]
@@ -94,9 +94,9 @@ private partial def processSumCasesOn (x F val : Expr) (k : (x : Expr) → (F :
         let FTypeNew := FDecl.type.replaceFVar x (← mkAppOptM ctorName #[α, β, xNew])
         withLocalDeclD FDecl.userName FTypeNew fun FNew => do
           mkLambdaFVars #[xNew, FNew] (← processSumCasesOn xNew FNew valNew k)
-    let minorLeft ← mkMinorNew ``Sum.inl args[4]
-    let minorRight ← mkMinorNew ``Sum.inr args[5]
-    let result := mkAppN (mkConst ``Sum.casesOn [u, (← getDecLevel α), (← getDecLevel β)]) #[α, β, motiveNew, x, minorLeft, minorRight, F]
+    let minorLeft ← mkMinorNew ``PSum.inl args[4]
+    let minorRight ← mkMinorNew ``PSum.inr args[5]
+    let result := mkAppN (mkConst ``PSum.casesOn [u, (← getLevel α), (← getLevel β)]) #[α, β, motiveNew, x, minorLeft, minorRight, F]
     return result
   else
     k x F val
@@ -124,8 +124,9 @@ private partial def processPSigmaCasesOn (x F val : Expr) (k : (F : Expr) → (v
   else
     k F val
 
-def mkFix (preDef : PreDefinition) (wfRel : Expr) (decrTactic? : Option Syntax) : TermElabM PreDefinition := do
-  let wfFix ← forallBoundedTelescope preDef.type (some 1) fun x type => do
+def mkFix (preDef : PreDefinition) (prefixArgs : Array Expr) (wfRel : Expr) (decrTactic? : Option Syntax) : TermElabM Expr := do
+  let type ← instantiateForall preDef.type prefixArgs
+  let wfFix ← forallBoundedTelescope type (some 1) fun x type => do
     let x := x[0]
     let α ← inferType x
     let u ← getLevel α
@@ -137,8 +138,10 @@ def mkFix (preDef : PreDefinition) (wfRel : Expr) (decrTactic? : Option Syntax)
   forallBoundedTelescope (← whnf (← inferType wfFix)).bindingDomain! (some 2) fun xs _ => do
     let x   := xs[0]
     let F   := xs[1]
-    let val := preDef.value.betaRev #[x]
-    let val ← processSumCasesOn x F val fun x F val => processPSigmaCasesOn x F val (replaceRecApps preDef.declName decrTactic?)
-    return { preDef with value := mkApp wfFix (← mkLambdaFVars #[x, F] val) }
+    let val := preDef.value.beta (prefixArgs.push x)
+    trace[Elab.definition.wf] ">> val: {val}"
+    let val ← processSumCasesOn x F val fun x F val => do
+      processPSigmaCasesOn x F val (replaceRecApps preDef.declName prefixArgs.size decrTactic?)
+    mkLambdaFVars prefixArgs (mkApp wfFix (← mkLambdaFVars #[x, F] val))
 
 end Lean.Elab.WF
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
index dadd2ecd46..4eac26e007 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Main.lean
@@ -15,22 +15,22 @@ namespace Lean.Elab
 open WF
 open Meta
 
-private def isOnlyOneUnaryDef (preDefs : Array PreDefinition) : MetaM Bool := do
+private def isOnlyOneUnaryDef (preDefs : Array PreDefinition) (fixedPrefixSize : Nat) : MetaM Bool := do
   if preDefs.size == 1 then
-    lambdaTelescope preDefs[0].value fun xs _ => return xs.size == 1
+    lambdaTelescope preDefs[0].value fun xs _ => return xs.size == fixedPrefixSize + 1
   else
     return false
 
-private partial def addNonRecPreDefs (preDefs : Array PreDefinition) (preDefNonRec : PreDefinition) : TermElabM Unit := do
-  if (← isOnlyOneUnaryDef preDefs) then
+private partial def addNonRecPreDefs (preDefs : Array PreDefinition) (preDefNonRec : PreDefinition) (fixedPrefixSize : Nat) : TermElabM Unit := do
+  if (← isOnlyOneUnaryDef preDefs fixedPrefixSize) then
     return ()
-  let Expr.forallE _ domain _ _ := preDefNonRec.type | unreachable!
   let us := preDefNonRec.levelParams.map mkLevelParam
   for fidx in [:preDefs.size] do
     let preDef := preDefs[fidx]
     let value ← lambdaTelescope preDef.value fun xs _ => do
+      let packedArgs : Array Expr := xs[fixedPrefixSize:]
       let mkProd (type : Expr) : MetaM Expr := do
-        mkUnaryArg type xs
+        mkUnaryArg type packedArgs
       let rec mkSum (i : Nat) (type : Expr) : MetaM Expr := do
         if i == preDefs.size - 1 then
           mkProd type
@@ -38,30 +38,67 @@ private partial def addNonRecPreDefs (preDefs : Array PreDefinition) (preDefNonR
           (← whnfD type).withApp fun f args => do
             assert! args.size == 2
             if i == fidx then
-              return mkApp3 (mkConst ``Sum.inl f.constLevels!) args[0] args[1] (← mkProd args[0])
+              return mkApp3 (mkConst ``PSum.inl f.constLevels!) args[0] args[1] (← mkProd args[0])
             else
               let r ← mkSum (i+1) args[1]
-              return mkApp3 (mkConst ``Sum.inr f.constLevels!) args[0] args[1] r
+              return mkApp3 (mkConst ``PSum.inr f.constLevels!) args[0] args[1] r
+      let Expr.forallE _ domain _ _ := (← instantiateForall preDefNonRec.type xs[:fixedPrefixSize]) | unreachable!
       let arg ← mkSum 0 domain
-      mkLambdaFVars xs (mkApp (mkConst preDefNonRec.declName us) arg)
+      mkLambdaFVars xs (mkApp (mkAppN (mkConst preDefNonRec.declName us) xs[:fixedPrefixSize]) arg)
     trace[Elab.definition.wf] "{preDef.declName} := {value}"
     addNonRec { preDef with value } (applyAttrAfterCompilation := false)
 
+partial def withCommonTelescope (preDefs : Array PreDefinition) (k : Array Expr → Array Expr → TermElabM α) : TermElabM α :=
+  go #[] (preDefs.map (·.value))
+where
+  go (fvars : Array Expr) (vals : Array Expr) : TermElabM α := do
+    if !(vals.all fun val => val.isLambda) then
+      k fvars vals
+    else if !(← vals.allM fun val => return val.bindingName! == vals[0].bindingName! && val.binderInfo == vals[0].binderInfo && (← isDefEq val.bindingDomain! vals[0].bindingDomain!)) then
+      k fvars vals
+    else
+      withLocalDecl vals[0].bindingName! vals[0].binderInfo vals[0].bindingDomain! fun x =>
+        go (fvars.push x) (vals.map fun val => val.bindingBody!.instantiate1 x)
+
+def getFixedPrefix (preDefs : Array PreDefinition) : TermElabM Nat :=
+  withCommonTelescope preDefs fun xs vals => do
+    let resultRef ← IO.mkRef xs.size
+    for val in vals do
+      if (← resultRef.get) == 0 then return 0
+      forEachExpr' val fun e => do
+        if preDefs.any fun preDef => e.isAppOf preDef.declName then
+          let args := e.getAppArgs
+          resultRef.modify (min args.size .)
+          for arg in args, x in xs do
+            if !(← withoutProofIrrelevance <| withReducible <| isDefEq arg x) then
+              -- We continue searching if e's arguments are not a prefix of `xs`
+              return true
+          return false
+        else
+          return true
+    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
     for preDef in preDefs do
       addAsAxiom preDef
-    let unaryPreDefs ← packDomain preDefs
-    packMutual unaryPreDefs
-  let wfRel ← elabWFRel preDefs unaryPreDef wf?
-  let preDefNonRec ← withoutModifyingEnv do
-    addAsAxiom unaryPreDef
-    mkFix unaryPreDef wfRel decrTactic?
-  let preDefNonRec ← eraseRecAppSyntax preDefNonRec
+    let unaryPreDefs ← packDomain fixedPrefixSize preDefs
+    packMutual fixedPrefixSize unaryPreDefs
+  let preDefNonRec ← forallBoundedTelescope unaryPreDef.type fixedPrefixSize fun prefixArgs type => do
+    let packedArgType := type.bindingDomain!
+    let wfRel ← elabWFRel preDefs unaryPreDef.declName fixedPrefixSize packedArgType wf?
+    trace[Elab.definition.wf] "wfRel: {wfRel}"
+    withoutModifyingEnv do
+      addAsAxiom unaryPreDef
+      let value ← mkFix unaryPreDef prefixArgs wfRel decrTactic?
+      let value ← eraseRecAppSyntaxExpr value
+      return { unaryPreDef with value }
   trace[Elab.definition.wf] ">> {preDefNonRec.declName} :=\n{preDefNonRec.value}"
   let preDefs ← preDefs.mapM fun d => eraseRecAppSyntax d
   addNonRec preDefNonRec
-  addNonRecPreDefs preDefs preDefNonRec
+  addNonRecPreDefs preDefs preDefNonRec fixedPrefixSize
   registerEqnsInfo preDefs preDefNonRec.declName
   for preDef in preDefs do
     applyAttributesOf #[preDef] AttributeApplicationTime.afterCompilation
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean b/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
index 2fef718ac9..d291c0b1e6 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
@@ -57,17 +57,20 @@ private partial def mkPSigmaCasesOn (y : Expr) (codomain : Expr) (xs : Array Exp
   Convert the given pre-definitions into unary functions.
   We "pack" the arguments using `PSigma`.
 -/
-partial def packDomain (preDefs : Array PreDefinition) : MetaM (Array PreDefinition) := do
+partial def packDomain (fixedPrefix : Nat) (preDefs : Array PreDefinition) : MetaM (Array PreDefinition) := do
   let mut preDefsNew := #[]
   let mut arities := #[]
   let mut modified := false
   for preDef in preDefs do
     let (preDefNew, arity, modifiedCurr) ← lambdaTelescope preDef.value fun xs body => do
-      if xs.size == 0 then
-        throwError "well-founded recursion cannot be used, '{preDef.declName}' does not take any arguments"
-      if xs.size > 1 then
+      if xs.size == fixedPrefix then
+        throwError "well-founded recursion cannot be used, '{preDef.declName}' does not take any (non-fixed) arguments"
+      let arity := xs.size
+      if arity > fixedPrefix + 1 then
         let bodyType ← instantiateForall preDef.type xs
         let mut d ← inferType xs.back
+        let ys : Array Expr := xs[:fixedPrefix]
+        let xs : Array Expr := xs[fixedPrefix:]
         for x in xs.pop.reverse do
           d ← mkAppOptM ``PSigma #[some (← inferType x), some (← mkLambdaFVars #[x] d)]
         withLocalDeclD (← mkFreshUserName `_x) d fun tuple => do
@@ -75,12 +78,12 @@ partial def packDomain (preDefs : Array PreDefinition) : MetaM (Array PreDefinit
           let codomain := bodyType.replaceFVars xs elems
           let preDefNew:= { preDef with
             declName := preDef.declName ++ `_unary
-            type := (← mkForallFVars #[tuple] codomain)
+            type := (← mkForallFVars (ys.push tuple) codomain)
           }
           addAsAxiom preDefNew
-          return (preDefNew, xs.size, true)
+          return (preDefNew, arity, true)
       else
-        return (preDef, 1, false)
+        return (preDef, arity, false)
     modified := modified || modifiedCurr
     arities := arities.push arity
     preDefsNew := preDefsNew.push preDefNew
@@ -92,14 +95,17 @@ partial def packDomain (preDefs : Array PreDefinition) : MetaM (Array PreDefinit
     let preDefNew := preDefsNew[i]
     let arity := arities[i]
     let valueNew ← lambdaTelescope preDef.value fun xs body => do
-      forallBoundedTelescope preDefNew.type (some 1) fun y codomain => do
-        let y := y[0]
-        let newBody ← mkPSigmaCasesOn y codomain xs body
-        mkLambdaFVars #[y] (← packApplications newBody arities preDefsNew)
+      let ys : Array Expr := xs[:fixedPrefix]
+      let xs : Array Expr := xs[fixedPrefix:]
+      let type ← instantiateForall preDefNew.type ys
+      forallBoundedTelescope type (some 1) fun z codomain => do
+        let z := z[0]
+        let newBody ← mkPSigmaCasesOn z codomain xs body
+        mkLambdaFVars (ys.push z) (← packApplications newBody arities preDefsNew)
     let isBad (e : Expr) : Bool :=
       match isAppOfPreDef? e with
       | none   => false
-      | some i => e.getAppNumArgs > 1 || preDefsNew[i].declName != preDefs[i].declName
+      | some i => e.getAppNumArgs > fixedPrefix + 1 || preDefsNew[i].declName != preDefs[i].declName
     if let some bad := valueNew.find? isBad then
       if let some i := isAppOfPreDef? bad then
         throwErrorAt preDef.ref "well-founded recursion cannot be used, function '{preDef.declName}' contains application of function '{preDefs[i].declName}' with #{bad.getAppNumArgs} argument(s), but function has arity {arities[i]}"
@@ -115,9 +121,11 @@ where
   packApplications (e : Expr) (arities : Array Nat) (preDefsNew : Array PreDefinition) : MetaM Expr := do
     let pack (e : Expr) (funIdx : Nat) : MetaM Expr := do
       let f := e.getAppFn
+      let args := e.getAppArgs
       let fNew := mkConst preDefsNew[funIdx].declName f.constLevels!
+      let fNew := mkAppN fNew args[:fixedPrefix]
       let Expr.forallE _ d .. ← inferType fNew | unreachable!
-      let argNew ← mkUnaryArg d e.getAppArgs
+      let argNew ← mkUnaryArg d args[fixedPrefix:]
       return mkApp fNew argNew
     let rec
       visit (e : Expr) : MonadCacheT ExprStructEq Expr MetaM Expr := do
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean b/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
index d2cc4577fe..6c2012a88d 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
@@ -8,81 +8,78 @@ import Lean.Elab.PreDefinition.Basic
 namespace Lean.Elab.WF
 open Meta
 
-private def getDomains (preDefs : Array PreDefinition) : Array Expr :=
-  preDefs.map fun preDef => preDef.type.bindingDomain!
-
-/-- Combine different function domains `ds` using `Sum`s -/
+/-- Combine different function domains `ds` using `PSum`s -/
 private def mkNewDomain (ds : Array Expr) : MetaM Expr := do
   let mut r := ds.back
   for d in ds.pop.reverse do
-    r ← mkAppM ``Sum #[d, r]
+    r ← mkAppM ``PSum #[d, r]
   return r
 
-private def getCodomainLevel (preDef : PreDefinition) : MetaM Level :=
-  forallBoundedTelescope preDef.type (some 1) fun _ body => getLevel body
+private def getCodomainLevel (preDefType : Expr) : MetaM Level :=
+  forallBoundedTelescope preDefType (some 1) fun _ body => getLevel body
 
 /--
   Return the universe level for the codomain of the given definitions.
   This method produces an error if the codomains are in different universe levels.
 -/
-private def getCodomainsLevel (preDefs : Array PreDefinition) : MetaM Level := do
-  let r ← getCodomainLevel preDefs[0]
-  for preDef in preDefs[1:] do
+private def getCodomainsLevel (preDefTypes : Array Expr) : MetaM Level := do
+  let r ← getCodomainLevel preDefTypes[0]
+  for preDef in preDefTypes[1:] do
     unless (← isLevelDefEq r (← getCodomainLevel preDef)) do
       throwError "invalid mutual definition, result types must be in the same universe level"
   return r
 
 /--
-  Create the codomain for the new function that "combines" different `preDefs`
+  Create the codomain for the new function that "combines" different `preDef` types
   See: `packMutual`
 -/
-private partial def mkNewCoDomain (x : Expr) (preDefs : Array PreDefinition) : MetaM Expr := do
-  let u ← getCodomainsLevel preDefs
+private partial def mkNewCoDomain (x : Expr) (preDefTypes : Array Expr) : MetaM Expr := do
+  let u ← getCodomainsLevel preDefTypes
   let rec go (x : Expr) (i : Nat) : MetaM Expr := do
-    if i < preDefs.size - 1 then
+    if i < preDefTypes.size - 1 then
       let xType ← whnfD (← inferType x)
-      assert! xType.isAppOfArity ``Sum 2
+      assert! xType.isAppOfArity ``PSum 2
       let xTypeArgs := xType.getAppArgs
-      let casesOn := mkConst (mkCasesOnName ``Sum) (mkLevelSucc u :: xType.getAppFn.constLevels!)
+      let casesOn := mkConst (mkCasesOnName ``PSum) (mkLevelSucc u :: xType.getAppFn.constLevels!)
       let casesOn := mkAppN casesOn xTypeArgs -- parameters
       let casesOn := mkApp casesOn (← mkLambdaFVars #[x] (mkSort u)) -- motive
       let casesOn := mkApp casesOn x -- major
       let minor1 ← withLocalDeclD (← mkFreshUserName `_x) xTypeArgs[0] fun x =>
-        mkLambdaFVars #[x] (preDefs[i].type.bindingBody!.instantiate1 x)
+        mkLambdaFVars #[x] (preDefTypes[i].bindingBody!.instantiate1 x)
       let minor2 ← withLocalDeclD (← mkFreshUserName `_x) xTypeArgs[1] fun x => do
         mkLambdaFVars #[x] (← go x (i+1))
       return mkApp2 casesOn minor1 minor2
     else
-      return preDefs[i].type.bindingBody!.instantiate1 x
+      return preDefTypes[i].bindingBody!.instantiate1 x
   go x 0
 
 /--
   Combine/pack the values of the different definitions in a single value
-  `x` is `Sum`, and we use `Sum.casesOn` to select the appropriate `preDefs.value`.
+  `x` is `PSum`, and we use `PSum.casesOn` to select the appropriate `preDefs.value`.
   See: `packMutual`.
-  Remark: this method does not replace the nested recursive `preDefs` applications.
+  Remark: this method does not replace the nested recursive `preDefValues` applications.
   This step is performed by `transform` with the following `post` method.
  -/
-private partial def packValues (x : Expr) (codomain : Expr) (preDefs : Array PreDefinition) : MetaM Expr := do
-  let varNames := preDefs.map fun preDef =>
-    assert! preDef.value.isLambda
-    preDef.value.bindingName!
+private partial def packValues (x : Expr) (codomain : Expr) (preDefValues : Array Expr) : MetaM Expr := do
+  let varNames := preDefValues.map fun val =>
+    assert! val.isLambda
+    val.bindingName!
   let mvar ← mkFreshExprSyntheticOpaqueMVar codomain
   let rec go (mvarId : MVarId) (x : FVarId) (i : Nat) : MetaM Unit := do
-    if i < preDefs.size - 1 then
+    if i < preDefValues.size - 1 then
       /-
         Names for the `cases` tactics. The names are important to preserve the user provided names (unary functions).
       -/
       let givenNames : Array AltVarNames :=
-         if i == preDefs.size - 2 then
+         if i == preDefValues.size - 2 then
            #[{ varNames := [varNames[i]] }, { varNames := [varNames[i+1]] }]
          else
            #[{ varNames := [varNames[i]] }]
        let #[s₁, s₂] ← cases mvarId x (givenNames := givenNames) | unreachable!
-      assignExprMVar s₁.mvarId (mkApp preDefs[i].value s₁.fields[0]).headBeta
+      assignExprMVar s₁.mvarId (mkApp preDefValues[i] s₁.fields[0]).headBeta
       go s₂.mvarId s₂.fields[0].fvarId! (i+1)
     else
-      assignExprMVar mvarId (mkApp preDefs[i].value (mkFVar x)).headBeta
+      assignExprMVar mvarId (mkApp preDefValues[i] (mkFVar x)).headBeta
   go mvar.mvarId! x.fvarId! 0
   instantiateMVars mvar
 
@@ -90,25 +87,44 @@ private partial def packValues (x : Expr) (codomain : Expr) (preDefs : Array Pre
   Auxiliary function for replacing nested `preDefs` recursive calls in `e` with the new function `newFn`.
   See: `packMutual`
 -/
-private partial def post (preDefs : Array PreDefinition) (domain : Expr) (newFn : Name) (e : Expr) : MetaM TransformStep := do
-  if let Expr.app (Expr.const declName us _) arg _ := e then
-    if let some fidx := preDefs.findIdx? (·.declName == declName) then
-      let rec mkNewArg (i : Nat) (type : Expr) : MetaM Expr := do
-        if i == preDefs.size - 1 then
-          return arg
-        else
-          (← whnfD type).withApp fun f args => do
-            assert! args.size == 2
-            if i == fidx then
-              return mkApp3 (mkConst ``Sum.inl f.constLevels!) args[0] args[1] arg
-            else
-              let r ← mkNewArg (i+1) args[1]
-              return mkApp3 (mkConst ``Sum.inr f.constLevels!) args[0] args[1] r
-      return TransformStep.done <| mkApp (mkConst newFn us) (← mkNewArg 0 domain)
+private partial def post (fixedPrefix : Nat) (preDefs : Array PreDefinition) (domain : Expr) (newFn : Name) (e : Expr) : MetaM TransformStep := do
+  if e.getAppNumArgs != fixedPrefix + 1 then
+    return TransformStep.done e
+  let f := e.getAppFn
+  if !f.isConst then
+    return TransformStep.done e
+  let declName := f.constName!
+  let us       := f.constLevels!
+  if let some fidx := preDefs.findIdx? (·.declName == declName) then
+    let args := e.getAppArgs
+    let fixedArgs := args[:fixedPrefix]
+    let arg  := args.back
+    let rec mkNewArg (i : Nat) (type : Expr) : MetaM Expr := do
+      if i == preDefs.size - 1 then
+        return arg
+      else
+        (← whnfD type).withApp fun f args => do
+          assert! args.size == 2
+          if i == fidx then
+            return mkApp3 (mkConst ``PSum.inl f.constLevels!) args[0] args[1] arg
+          else
+            let r ← mkNewArg (i+1) args[1]
+            return mkApp3 (mkConst ``PSum.inr f.constLevels!) args[0] args[1] r
+    return TransformStep.done <| mkApp (mkAppN (mkConst newFn us) fixedArgs) (← mkNewArg 0 domain)
   return TransformStep.done e
 
+partial def withFixedPrefix (fixedPrefix : Nat) (preDefs : Array PreDefinition) (k : Array Expr → Array Expr → Array Expr → MetaM α) : MetaM α :=
+  go fixedPrefix #[] (preDefs.map (·.value))
+where
+  go (i : Nat) (fvars : Array Expr) (vals : Array Expr) : MetaM α := do
+    match i with
+    | 0 => k fvars (← preDefs.mapM fun preDef => instantiateForall preDef.type fvars) vals
+    | i+1 =>
+      withLocalDecl vals[0].bindingName! vals[0].binderInfo vals[0].bindingDomain! fun x =>
+        go i (fvars.push x) (vals.map fun val => val.bindingBody!.instantiate1 x)
+
 /--
-  If `preDefs.size > 1`, combine different functions in a single one using `Sum`.
+  If `preDefs.size > 1`, combine different functions in a single one using `PSum`.
   This method assumes all `preDefs` have arity 1, and have already been processed using `packDomain`.
   Here is a small example. Suppose the input is
   ```
@@ -128,36 +144,38 @@ private partial def post (preDefs : Array PreDefinition) (domain : Expr) (newFn
   this method produces the following pre definition
   ```
   f._mutual x :=
-    Sum.casesOn x
+    PSum.casesOn x
       (fun val =>
         match val.2.1, val.2.2.1, val.2.2.2 with
         | 0, a, b => a
-        | Nat.succ n, a, b => (f._mutual (Sum.inr (Sum.inl ⟨val.1, n, a, b⟩))).fst
+        | Nat.succ n, a, b => (f._mutual (PSum.inr (PSum.inl ⟨val.1, n, a, b⟩))).fst
       fun val =>
-        Sum.casesOn val
+        PSum.casesOn val
           (fun val =>
             match val.2.1, val.2.2.1, val.2.2.2 with
             | 0, a, b => (a, b)
-            | Nat.succ n, a, b => (f._mutual (Sum.inr (Sum.inr ⟨val.1, n, a, b⟩)), a)
+            | Nat.succ n, a, b => (f._mutual (PSum.inr (PSum.inr ⟨val.1, n, a, b⟩)), a)
           fun val =>
             match val.2.1, val.2.2.1, val.2.2.2 with
             | 0, a, b => b
             | Nat.succ n, a, b =>
-              f._mutual (Sum.inl ⟨val.1, n, a, b⟩)
+              f._mutual (PSum.inl ⟨val.1, n, a, b⟩)
   ```
  -/
-def packMutual (preDefs : Array PreDefinition) : MetaM PreDefinition := do
+def packMutual (fixedPrefix : Nat) (preDefs : Array PreDefinition) : MetaM PreDefinition := do
   if preDefs.size == 1 then return preDefs[0]
-  let domain ← mkNewDomain (getDomains preDefs)
-  withLocalDeclD (← mkFreshUserName `_x) domain fun x => do
-    let codomain ← mkNewCoDomain x preDefs
-    let type ← mkForallFVars #[x] codomain
-    let value ← packValues x codomain preDefs
-    let newFn := preDefs[0].declName ++ `_mutual
-    let preDefNew := { preDefs[0] with declName := newFn, type, value }
-    addAsAxiom preDefNew
-    let value ← transform value (post := post preDefs domain newFn)
-    let value ← mkLambdaFVars #[x] value
-    return { preDefNew with value }
+  withFixedPrefix fixedPrefix preDefs fun ys types vals => do
+    let domains := types.map fun type => type.bindingDomain!
+    let domain ← mkNewDomain domains
+    withLocalDeclD (← mkFreshUserName `_x) domain fun x => do
+      let codomain ← mkNewCoDomain x types
+      let type ← mkForallFVars (ys.push x) codomain
+      let value ← packValues x codomain vals
+      let newFn := preDefs[0].declName ++ `_mutual
+      let preDefNew := { preDefs[0] with declName := newFn, type, value }
+      addAsAxiom preDefNew
+      let value ← transform value (post := post fixedPrefix preDefs domain newFn)
+      let value ← mkLambdaFVars (ys.push x) value
+      return { preDefNew with value }
 
 end Lean.Elab.WF
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
index 488cec2f4a..0219da3aeb 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
@@ -29,7 +29,7 @@ private partial def unpackMutual (preDefs : Array PreDefinition) (mvarId : MVarI
       return result.push (fvarId, mvarId)
   go 0 mvarId fvarId #[]
 
-private partial def unpackUnary (preDef : PreDefinition) (mvarId : MVarId) (fvarId : FVarId) (element : TerminationByElement) : TermElabM MVarId := do
+private partial def unpackUnary (preDef : PreDefinition) (prefixSize : Nat) (mvarId : MVarId) (fvarId : FVarId) (element : TerminationByElement) : TermElabM MVarId := do
   let varNames ← lambdaTelescope preDef.value fun xs body => do
     let mut varNames ← xs.mapM fun x => return (← getLocalDecl x.fvarId!).userName
     if element.vars.size > varNames.size then
@@ -39,31 +39,38 @@ private partial def unpackUnary (preDef : PreDefinition) (mvarId : MVarId) (fvar
       if varStx.isIdent then
         varNames := varNames.set! (varNames.size - element.vars.size + i) varStx.getId
     return varNames
+  let mut mvarId := mvarId
+  for localDecl in (← Term.getMVarDecl mvarId).lctx, varName in varNames[:prefixSize] do
+    unless localDecl.userName == varName do
+      mvarId ← rename mvarId localDecl.fvarId varName
+  let numPackedArgs := varNames.size - prefixSize
   let rec go (i : Nat) (mvarId : MVarId) (fvarId : FVarId) : TermElabM MVarId := do
-    if i < varNames.size - 1 then
-      let #[s] ← cases mvarId fvarId #[{ varNames := [varNames[i]] }] | unreachable!
+    trace[Elab.definition.wf] "i: {i}, varNames: {varNames}, goal: {mvarId}"
+    if i < numPackedArgs - 1 then
+      let #[s] ← cases mvarId fvarId #[{ varNames := [varNames[prefixSize + i]] }] | unreachable!
       go (i+1) s.mvarId s.fields[1].fvarId!
     else
       rename mvarId fvarId varNames.back
   go 0 mvarId fvarId
 
-def elabWFRel (preDefs : Array PreDefinition) (unaryPreDef : PreDefinition) (wf? : Option TerminationWF) : TermElabM Expr := do
-  let α := unaryPreDef.type.bindingDomain!
+def elabWFRel (preDefs : Array PreDefinition) (unaryPreDefName : Name) (fixedPrefixSize : Nat) (argType : Expr) (wf? : Option TerminationWF) : TermElabM Expr := do
+  let α := argType
   let u ← getLevel α
   let expectedType := mkApp (mkConst ``WellFoundedRelation [u]) α
+  trace[Elab.definition.wf] "elabWFRel start: {(← mkFreshTypeMVar).mvarId!}"
   match wf? with
-  | some (TerminationWF.core wfStx) => withDeclName unaryPreDef.declName do
+  | some (TerminationWF.core wfStx) => withDeclName unaryPreDefName do
       let wfRel ← instantiateMVars (← withSynthesize <| elabTermEnsuringType wfStx expectedType)
       let pendingMVarIds ← getMVars wfRel
       discard <| logUnassignedUsingErrorInfos pendingMVarIds
       return wfRel
-  | some (TerminationWF.ext elements) => withDeclName unaryPreDef.declName <| withRef (getRefFromElems elements) do
+  | some (TerminationWF.ext elements) => withDeclName unaryPreDefName <| withRef (getRefFromElems elements) do
     let mainMVarId := (← mkFreshExprSyntheticOpaqueMVar expectedType).mvarId!
     let [fMVarId, wfRelMVarId, _] ← apply mainMVarId (← mkConstWithFreshMVarLevels ``invImage) | throwError "failed to apply 'invImage'"
     let (d, fMVarId) ← intro1 fMVarId
     let subgoals ← unpackMutual preDefs fMVarId d
     for (d, mvarId) in subgoals, element in elements, preDef in preDefs do
-      let mvarId ← unpackUnary preDef mvarId d element
+      let mvarId ← unpackUnary preDef fixedPrefixSize mvarId d element
       withMVarContext mvarId do
         let value ← Term.withSynthesize <| elabTermEnsuringType element.body (← getMVarType mvarId)
         assignExprMVar mvarId value
diff --git a/stage0/src/Lean/Meta/ExprDefEq.lean b/stage0/src/Lean/Meta/ExprDefEq.lean
index 19550af0eb..5f38f7974e 100644
--- a/stage0/src/Lean/Meta/ExprDefEq.lean
+++ b/stage0/src/Lean/Meta/ExprDefEq.lean
@@ -920,14 +920,60 @@ private def assignConst (mvar : Expr) (numArgs : Nat) (v : Expr) : MetaM Bool :=
         trace[Meta.isDefEq.constApprox] "{mvar} := {v}"
         checkTypesAndAssign mvar v
 
-private def processConstApprox (mvar : Expr) (numArgs : Nat) (v : Expr) : MetaM Bool := do
+/--
+  Auxiliary procedure for solving `?m args =?= v` when `args[:patternVarPrefix]` contains
+  only pairwise distinct free variables.
+  Let `args[:patternVarPrefix] = #[a₁, ..., aₙ]`, and `args[patternVarPrefix:] = #[b₁, ..., bᵢ]`,
+  this procedure first reduces the constraint to
+  ```
+  ?m a₁ ... aₙ =?= fun x₁ ... xᵢ => v
+  ```
+  where the left-hand-side is a constant function.
+  Then, it tries to find the longest prefix `#[a₁, ..., aⱼ]` of `#[a₁, ..., aₙ]` such that the following assignment is valid.
+  ```
+  ?m := fun y₁ ... y‌ⱼ => (fun y_{j+1} ... yₙ x₁ ... xᵢ => v)[a₁/y₁, .., aⱼ/yⱼ]
+  ```
+  That is, after the longest prefix is found, we solve the contraint as the lhs was a pattern. See the definition of "pattern" above.
+-/
+private partial def processConstApprox (mvar : Expr) (args : Array Expr) (patternVarPrefix : Nat) (v : Expr) : MetaM Bool := do
+  trace[Meta.isDefEq.constApprox] "{mvar} {args} := {v}"
+  let rec defaultCase : MetaM Bool := assignConst mvar args.size v
   let cfg ← getConfig
   let mvarId := mvar.mvarId!
   let mvarDecl ← getMVarDecl mvarId
-  if mvarDecl.numScopeArgs == numArgs || cfg.constApprox then
-    assignConst mvar numArgs v
+  let numArgs := args.size
+  if mvarDecl.numScopeArgs != numArgs && !cfg.constApprox then
+    return false
+  else if patternVarPrefix == 0 then
+    defaultCase
   else
-    pure false
+    let argsPrefix : Array Expr := args[:patternVarPrefix]
+    let type ← instantiateForall mvarDecl.type argsPrefix
+    let suffixSize := numArgs - argsPrefix.size
+    forallBoundedTelescope type suffixSize fun xs _ => do
+      if xs.size != suffixSize then
+        defaultCase
+      else
+        let some v ← mkLambdaFVarsWithLetDeps xs v | defaultCase
+        let rec go (argsPrefix : Array Expr) (v : Expr) : MetaM Bool := do
+          trace[Meta.isDefEq] "processConstApprox.go {mvar} {argsPrefix} := {v}"
+          let rec cont : MetaM Bool := do
+            if argsPrefix.isEmpty then
+              defaultCase
+            else
+              let some v ← mkLambdaFVarsWithLetDeps #[argsPrefix.back] v | defaultCase
+              go argsPrefix.pop v
+          match (← checkAssignment mvarId argsPrefix v) with
+          | none      => cont
+          | some vNew =>
+            let some vNew ← mkLambdaFVarsWithLetDeps argsPrefix vNew | cont
+            if argsPrefix.any (fun arg => mvarDecl.lctx.containsFVar arg) then
+              /- We need to type check `vNew` because abstraction using `mkLambdaFVars` may have produced
+                 a type incorrect term. See discussion at A2 -/
+              (isTypeCorrect vNew <&&> checkTypesAndAssign mvar vNew) <||> cont
+            else
+              checkTypesAndAssign mvar vNew <||> cont
+        go argsPrefix v
 
 /-- Tries to solve `?m a₁ ... aₙ =?= v` by assigning `?m`.
     It assumes `?m` is unassigned. -/
@@ -939,7 +985,7 @@ private partial def processAssignment (mvarApp : Expr) (v : Expr) : MetaM Bool :
     let rec process (i : Nat) (args : Array Expr) (v : Expr) := do
       let cfg ← getConfig
       let useFOApprox (args : Array Expr) : MetaM Bool :=
-        processAssignmentFOApprox mvar args v <||> processConstApprox mvar args.size v
+        processAssignmentFOApprox mvar args v <||> processConstApprox mvar args i v
       if h : i < args.size then
         let arg := args.get ⟨i, h⟩
         let arg ← simpAssignmentArg arg
@@ -1273,7 +1319,7 @@ private def isDefEqProofIrrel (t s : Expr) : MetaM LBool := do
 /- Try to solve constraint of the form `?m args₁ =?= ?m args₂`.
    - First try to unify `args₁` and `args₂`, and return true if successful
    - Otherwise, try to assign `?m` to a constant function of the form `fun x_1 ... x_n => ?n`
-     where `?n` is a fresh metavariable. See `processConstApprox`. -/
+     where `?n` is a fresh metavariable. See `assignConst`. -/
 private def isDefEqMVarSelf (mvar : Expr) (args₁ args₂ : Array Expr) : MetaM Bool := do
   if args₁.size != args₂.size then
     pure false
diff --git a/stage0/stdlib/Init/Data/Array/Basic.c b/stage0/stdlib/Init/Data/Array/Basic.c
index 921e35c52d..8d0e4dd016 100644
--- a/stage0/stdlib/Init/Data/Array/Basic.c
+++ b/stage0/stdlib/Init/Data/Array/Basic.c
@@ -19,6 +19,7 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Array_concatMap___spec__
 LEAN_EXPORT lean_object* l_Array_forM(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findM_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Array_findRevM_x3f___spec__1___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_takeWhile___rarg___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Array_getEvenElems___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_getMax_x3f___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Array_findIdxM_x3f___spec__1___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -163,7 +164,9 @@ LEAN_EXPORT lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_partition(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_zipWithAux___at_Array_zip___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_popWhile___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapIdx___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_takeWhile(lean_object*);
 LEAN_EXPORT lean_object* l_Array_getMax_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_swap___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___aux__Init__Data__Array__Basic______macroRules__term_x23_x5b___x2c_x5d__1___closed__12;
@@ -199,9 +202,11 @@ LEAN_EXPORT lean_object* l___private_Init_Data_Array_Basic_0__Array_allDiffAuxAu
 LEAN_EXPORT lean_object* l_Array_forInUnsafe(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeM_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_instAppendArray___closed__1;
+LEAN_EXPORT lean_object* l_Array_takeWhile_go___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___aux__Init__Data__Array__Basic______macroRules__term_x23_x5b___x2c_x5d__1___closed__16;
 LEAN_EXPORT lean_object* l_Array_toArrayLit___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_takeWhile___rarg(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_all___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_filter___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_eraseIdx_x27___rarg___boxed(lean_object*, lean_object*);
@@ -340,6 +345,7 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Array_toList___spec__1(l
 LEAN_EXPORT lean_object* l_Array_findSome_x21___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Array_map___spec__1(lean_object*, lean_object*);
 static lean_object* l_Array_findSome_x21___rarg___closed__1;
+LEAN_EXPORT lean_object* l_Array_takeWhile_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_insertAt___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Array_modifyMUnsafe___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -349,6 +355,7 @@ LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Array_findSomeRev_x3
 LEAN_EXPORT lean_object* l_Array_zipWith___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Array_foldr___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_takeWhile_go(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Array_partition___spec__1___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_swapAt___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_feraseIdx___rarg(lean_object*, lean_object*);
@@ -444,6 +451,7 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Array_forRevM___spec__2_
 LEAN_EXPORT lean_object* l_Array_eraseIdx___rarg___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Array_findSomeRev_x3f___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Array_filterM___spec__1___rarg___lambda__2(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Array_popWhile(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Array_append___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_modifyMUnsafe___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_concatMapM___rarg(lean_object*, lean_object*, lean_object*);
@@ -8466,6 +8474,141 @@ lean_dec(x_2);
 return x_4;
 }
 }
+LEAN_EXPORT lean_object* l_Array_popWhile___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; uint8_t x_5; 
+x_3 = lean_array_get_size(x_2);
+x_4 = lean_unsigned_to_nat(0u);
+x_5 = lean_nat_dec_lt(x_4, x_3);
+if (x_5 == 0)
+{
+lean_dec(x_3);
+lean_dec(x_1);
+return x_2;
+}
+else
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_6 = lean_unsigned_to_nat(1u);
+x_7 = lean_nat_sub(x_3, x_6);
+lean_dec(x_3);
+x_8 = lean_array_fget(x_2, x_7);
+lean_dec(x_7);
+lean_inc(x_1);
+x_9 = lean_apply_1(x_1, x_8);
+x_10 = lean_unbox(x_9);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_dec(x_1);
+return x_2;
+}
+else
+{
+lean_object* x_11; 
+x_11 = lean_array_pop(x_2);
+x_2 = x_11;
+goto _start;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_popWhile(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_popWhile___rarg), 2, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile_go___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; uint8_t x_6; 
+x_5 = lean_array_get_size(x_2);
+x_6 = lean_nat_dec_lt(x_3, x_5);
+lean_dec(x_5);
+if (x_6 == 0)
+{
+lean_dec(x_3);
+lean_dec(x_1);
+return x_4;
+}
+else
+{
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = lean_array_fget(x_2, x_3);
+lean_inc(x_1);
+lean_inc(x_7);
+x_8 = lean_apply_1(x_1, x_7);
+x_9 = lean_unbox(x_8);
+lean_dec(x_8);
+if (x_9 == 0)
+{
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_4;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_10 = lean_unsigned_to_nat(1u);
+x_11 = lean_nat_add(x_3, x_10);
+lean_dec(x_3);
+x_12 = lean_array_push(x_4, x_7);
+x_3 = x_11;
+x_4 = x_12;
+goto _start;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile_go(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_takeWhile_go___rarg___boxed), 4, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile_go___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Array_takeWhile_go___rarg(x_1, x_2, x_3, x_4);
+lean_dec(x_2);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_3 = lean_unsigned_to_nat(0u);
+x_4 = l_Array_instEmptyCollectionArray___closed__1;
+x_5 = l_Array_takeWhile_go___rarg(x_1, x_2, x_3, x_4);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_takeWhile___rarg___boxed), 2, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_takeWhile___rarg___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Array_takeWhile___rarg(x_1, x_2);
+lean_dec(x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Array_eraseIdxAux___rarg(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -8753,7 +8896,7 @@ _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_Array_swapAt_x21___rarg___closed__3;
 x_2 = l_Array_insertAt___rarg___closed__1;
-x_3 = lean_unsigned_to_nat(682u);
+x_3 = lean_unsigned_to_nat(705u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Array_insertAt___rarg___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
diff --git a/stage0/stdlib/Lean/Elab/Match.c b/stage0/stdlib/Lean/Elab/Match.c
index 97590002ea..49bd4bf87f 100644
--- a/stage0/stdlib/Lean/Elab/Match.c
+++ b/stage0/stdlib/Lean/Elab/Match.c
@@ -53,11 +53,13 @@ static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltVi
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_getIndexToInclude_x3f_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___closed__1;
 static lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8(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_userName(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___spec__6___boxed(lean_object*, lean_object*, 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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_nullKind;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux(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_Term_finalizePatternDecls___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*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_finalizePatternDecls___spec__1___closed__1;
@@ -111,8 +113,8 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMVarWithIdKind(lean_object*, lean_
 lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
 uint8_t l_Lean_Meta_isMatchValue(lean_object*);
 lean_object* l_Lean_mkMVar(lean_object*);
+static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1;
 size_t lean_usize_sub(size_t, size_t);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___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*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_throwInvalidPattern___rarg___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__10;
 lean_object* lean_environment_find(lean_object*, lean_object*);
@@ -124,13 +126,14 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatch
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoMatch_declRange___closed__5;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__2___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___spec__7___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_markIsDep(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withExistingLocalDecls___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__7(lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch_docString___closed__1;
 static lean_object* l_Lean_Elab_Term_mkFreshBinderName___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkLocalDeclFor___spec__3___rarg___closed__1;
 lean_object* l_List_toString___at_Lean_Meta_RecursorInfo_instToStringRecursorInfo___spec__5(lean_object*);
@@ -152,6 +155,7 @@ static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Match_0__
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__1;
 lean_object* l_Lean_Elab_Term_getMVarDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3f___closed__5;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4;
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop___at_Lean_Elab_Term_precheckMatch___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Data_Option_Basic_0__beqOption____x40_Init_Data_Option_Basic___hyg_800____at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__11___boxed(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -312,6 +316,7 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_finalizePattern
 static lean_object* l_Lean_Elab_Term_isAuxDiscrName___closed__1;
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_getMatchGeneralizing_x3f___closed__11;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_collectDeps___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*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkHasTypeButIsExpectedMsg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_withMacroExpansion___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_List_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_collectDeps___spec__5(lean_object*, lean_object*, 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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_collectDeps___closed__1;
@@ -360,6 +365,7 @@ uint8_t l_Lean_Option_get___at_Lean_ppExpr___spec__1(lean_object*, lean_object*)
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___spec__3___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__6___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabMatch_elabMatchDefault___closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoMatch___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at___private_Lean_Meta_WHNF_0__Lean_Meta_cached_x3f___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -397,6 +403,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatch
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_tryPostponeIfDiscrTypeIsMVar___spec__1___lambda__1___closed__1;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__7;
 lean_object* l_Lean_Elab_Term_mkFreshBinderName___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandBinderIdent___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1;
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__17;
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_getMatchGeneralizing_x3f___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabInaccessible_declRange___closed__1;
@@ -407,6 +414,7 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_Match_0
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___spec__2___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch_declRange___closed__4;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___spec__3(lean_object*, size_t, size_t, lean_object*);
+static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goType___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*, lean_object*);
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_alreadyVisited(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -446,11 +454,13 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatch
 lean_object* l_Lean_Meta_isProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_elabMatch_elabMatchDefault___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandNonAtomicDiscrs_x3f_loop___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_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5;
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_throwInvalidPattern___rarg(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_Term_elabMVarWithIdKind___closed__6;
 lean_object* l_Lean_Elab_Term_elabTermEnsuringType___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_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_elabMatch_elabMatchDefault___spec__1(lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___spec__7___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkFVar(lean_object*);
@@ -487,6 +497,7 @@ static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_getMatchGenera
 static lean_object* l_Lean_Elab_Term_elabMatch___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_tryPostponeIfDiscrTypeIsMVar___spec__1___closed__1;
 extern lean_object* l_Lean_Elab_Term_termElabAttribute;
+static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_precheckMatch___closed__1;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___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*, lean_object*, lean_object*);
@@ -501,7 +512,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind_declRange__
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2(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_Term_getMVarSyntaxMVarId(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_finalizePatternDecls___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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*);
 uint8_t l_Lean_Syntax_isMissing(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, 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_List_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__8___lambda__1___closed__1;
@@ -513,11 +523,11 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind_declRange__
 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_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch_declRange___closed__3;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_isAtomicDiscr_x3f___spec__1___rarg(lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Meta_Match_Value_0__Lean_Meta_isUIntTypeName___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8___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___private_Lean_Elab_Match_0__Lean_Elab_Term_generalize___spec__2(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_filterMapM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_getMatchAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -551,7 +561,6 @@ lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*,
 static lean_object* l_Lean_Elab_Term_precheckMatch___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_precheckMatch___spec__5___closed__2;
 lean_object* lean_environment_main_module(lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3;
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_finalizePatternDecls___spec__1___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_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_Match_0__Lean_Elab_Term_expandNonAtomicDiscrs_x3f___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -646,6 +655,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__13;
 lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(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_isFVar(lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__5___rarg___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -670,9 +680,9 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalInstances___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_Lean_Elab_Term_mkFreshBinderName___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkLocalDeclFor___spec__3___rarg___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_Elab_Match_0__Lean_Elab_Term_isPatternVar___closed__2;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4;
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_reportMatcherResultErrors___spec__1___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_arrayLit_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_precheckMatch___closed__3;
@@ -693,7 +703,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatch
 static lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_isAtomicDiscr_x3f___spec__1___rarg___closed__1;
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_precheckMatch___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1;
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___spec__3___closed__4;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_finalizePatternDecls___spec__1___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -706,7 +715,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_isAtomic
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_ToDepElimPattern_main___spec__5(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___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_object*);
 static lean_object* l_Lean_Elab_Term_precheckMatch___lambda__3___closed__1;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind___closed__4;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_containsFVar(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Term_reportMatcherResultErrors___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -764,7 +772,7 @@ lean_object* l_Lean_Meta_mkEq(lean_object*, lean_object*, lean_object*, lean_obj
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__9;
 static lean_object* l_Lean_Elab_Term_reportMatcherResultErrors___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_generalize___spec__6___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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___lambda__2___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkFreshBinderName___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkLocalDeclFor___spec__3___boxed(lean_object*);
@@ -786,8 +794,8 @@ LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Match_0__Lean_
 lean_object* l_Lean_Elab_Term_isLocalIdent_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Closure_mkBinding___spec__1(size_t, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13118_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13375_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_2426_(lean_object*);
 lean_object* l_Lean_mkSimpleThunk(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isAtomicDiscr_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -815,7 +823,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatch
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_withElaboratedLHS(lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkLocalDeclFor___lambda__1(lean_object*, lean_object*);
 lean_object* l_Lean_mkInaccessible(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___lambda__1(lean_object*, 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_object*);
 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_Elab_Term_withDepElimPatterns___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -840,6 +848,7 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabPatterns___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_reportMatcherResultErrors___closed__1;
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__16;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__7(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_matchPatternAttr;
 uint8_t l_Lean_Syntax_isIdent(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___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*);
@@ -19114,108 +19123,239 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-uint8_t x_14; lean_object* x_15; 
-x_14 = 1;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; size_t x_17; size_t x_18; lean_object* x_19; uint8_t x_20; 
+x_13 = l_List_redLength___rarg(x_1);
+x_14 = lean_mk_empty_array_with_capacity(x_13);
+lean_dec(x_13);
+x_15 = l_List_toArrayAux___rarg(x_1, x_14);
+x_16 = lean_array_get_size(x_15);
+x_17 = lean_usize_of_nat(x_16);
+lean_dec(x_16);
+x_18 = 0;
+x_19 = l_Array_mapMUnsafe_map___at_Lean_Meta_Closure_mkBinding___spec__1(x_17, x_18, x_15);
+x_20 = l_Array_isEmpty___rarg(x_19);
+if (x_20 == 0)
+{
+uint8_t x_21; uint8_t x_22; lean_object* x_23; 
+x_21 = 0;
+x_22 = 1;
+lean_inc(x_8);
+x_23 = l_Lean_Meta_mkLambdaFVars(x_19, x_4, x_21, x_22, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2(x_2, x_3, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_6);
+return x_26;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+x_27 = !lean_is_exclusive(x_23);
+if (x_27 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_23, 0);
+x_29 = lean_ctor_get(x_23, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_23);
+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;
+}
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+lean_dec(x_19);
+x_31 = l_Lean_mkSimpleThunk(x_4);
+x_32 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2(x_2, x_3, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_6);
+return x_32;
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("type mistmatch, alternative ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_1, 2);
+lean_inc(x_14);
+lean_dec(x_1);
+lean_inc(x_6);
+x_15 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_15, 0, x_6);
+x_16 = lean_box(0);
+x_17 = 1;
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_15 = l_Lean_Elab_Term_elabTermEnsuringType(x_1, x_2, x_14, x_14, x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_15) == 0)
+x_18 = l_Lean_Elab_Term_elabTermEnsuringType(x_14, x_15, x_17, x_17, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; lean_object* x_24; uint8_t x_25; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = l_List_redLength___rarg(x_4);
-x_19 = lean_mk_empty_array_with_capacity(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; 
+x_19 = lean_ctor_get(x_9, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_18, 1);
+lean_inc(x_21);
 lean_dec(x_18);
-x_20 = l_List_toArrayAux___rarg(x_4, x_19);
-x_21 = lean_array_get_size(x_20);
-x_22 = lean_usize_of_nat(x_21);
-lean_dec(x_21);
-x_23 = 0;
-x_24 = l_Array_mapMUnsafe_map___at_Lean_Meta_Closure_mkBinding___spec__1(x_22, x_23, x_20);
-x_25 = l_Array_isEmpty___rarg(x_24);
-if (x_25 == 0)
+x_22 = lean_ctor_get(x_9, 1);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_9, 2);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_9, 3);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_9, 4);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_9, 5);
+lean_inc(x_26);
+x_27 = !lean_is_exclusive(x_19);
+if (x_27 == 0)
 {
-uint8_t x_26; lean_object* x_27; 
-x_26 = 0;
-lean_inc(x_9);
-x_27 = l_Lean_Meta_mkLambdaFVars(x_24, x_16, x_26, x_14, x_9, x_10, x_11, x_12, x_17);
-if (lean_obj_tag(x_27) == 0)
+lean_object* x_28; lean_object* x_29; 
+lean_ctor_set_uint8(x_19, 0, x_17);
+lean_ctor_set_uint8(x_19, 1, x_17);
+lean_ctor_set_uint8(x_19, 2, x_17);
+lean_ctor_set_uint8(x_19, 3, x_17);
+x_28 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_28, 0, x_19);
+lean_ctor_set(x_28, 1, x_22);
+lean_ctor_set(x_28, 2, x_23);
+lean_ctor_set(x_28, 3, x_24);
+lean_ctor_set(x_28, 4, x_25);
+lean_ctor_set(x_28, 5, x_26);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_2);
+lean_inc(x_6);
+x_29 = l_Lean_Meta_isExprDefEq(x_6, x_2, x_28, x_10, x_11, x_12, x_21);
+if (lean_obj_tag(x_29) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2(x_5, x_6, x_28, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-return x_30;
-}
-else
-{
-uint8_t x_31; 
-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_6);
-lean_dec(x_5);
-x_31 = !lean_is_exclusive(x_27);
+lean_object* x_30; uint8_t x_31; 
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_unbox(x_30);
+lean_dec(x_30);
 if (x_31 == 0)
 {
-return x_27;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_27, 0);
-x_33 = lean_ctor_get(x_27, 1);
-lean_inc(x_33);
+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; uint8_t x_41; 
+lean_dec(x_20);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_32 = lean_ctor_get(x_29, 1);
 lean_inc(x_32);
-lean_dec(x_27);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
-}
-}
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-lean_dec(x_24);
-x_35 = l_Lean_mkSimpleThunk(x_16);
-x_36 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2(x_5, x_6, x_35, x_7, x_8, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_29);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_33 = l_Lean_Meta_mkHasTypeButIsExpectedMsg(x_6, x_2, x_9, x_10, x_11, x_12, x_32);
+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 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2;
+x_37 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+x_38 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__16;
+x_39 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+x_40 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_39, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-return x_36;
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+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
 {
-uint8_t x_37; 
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_6);
+lean_dec(x_2);
+x_45 = lean_ctor_get(x_29, 1);
+lean_inc(x_45);
+lean_dec(x_29);
+x_46 = lean_box(0);
+x_47 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3(x_3, x_4, x_5, x_20, x_46, x_7, x_8, x_9, x_10, x_11, x_12, x_45);
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_8);
+return x_47;
+}
+}
+else
+{
+uint8_t x_48; 
+lean_dec(x_20);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -19225,53 +19365,374 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_37 = !lean_is_exclusive(x_15);
-if (x_37 == 0)
+lean_dec(x_3);
+lean_dec(x_2);
+x_48 = !lean_is_exclusive(x_29);
+if (x_48 == 0)
 {
-return x_15;
+return x_29;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_15, 0);
-x_39 = lean_ctor_get(x_15, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_15);
-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;
+lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_29, 0);
+x_50 = lean_ctor_get(x_29, 1);
+lean_inc(x_50);
+lean_inc(x_49);
+lean_dec(x_29);
+x_51 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+return x_51;
+}
+}
+}
+else
+{
+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; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_52 = lean_ctor_get_uint8(x_19, 4);
+x_53 = lean_ctor_get_uint8(x_19, 5);
+x_54 = lean_ctor_get_uint8(x_19, 6);
+x_55 = lean_ctor_get_uint8(x_19, 7);
+x_56 = lean_ctor_get_uint8(x_19, 8);
+x_57 = lean_ctor_get_uint8(x_19, 9);
+x_58 = lean_ctor_get_uint8(x_19, 10);
+x_59 = lean_ctor_get_uint8(x_19, 11);
+x_60 = lean_ctor_get_uint8(x_19, 12);
+x_61 = lean_ctor_get_uint8(x_19, 13);
+lean_dec(x_19);
+x_62 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_62, 0, x_17);
+lean_ctor_set_uint8(x_62, 1, x_17);
+lean_ctor_set_uint8(x_62, 2, x_17);
+lean_ctor_set_uint8(x_62, 3, x_17);
+lean_ctor_set_uint8(x_62, 4, x_52);
+lean_ctor_set_uint8(x_62, 5, x_53);
+lean_ctor_set_uint8(x_62, 6, x_54);
+lean_ctor_set_uint8(x_62, 7, x_55);
+lean_ctor_set_uint8(x_62, 8, x_56);
+lean_ctor_set_uint8(x_62, 9, x_57);
+lean_ctor_set_uint8(x_62, 10, x_58);
+lean_ctor_set_uint8(x_62, 11, x_59);
+lean_ctor_set_uint8(x_62, 12, x_60);
+lean_ctor_set_uint8(x_62, 13, x_61);
+x_63 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_22);
+lean_ctor_set(x_63, 2, x_23);
+lean_ctor_set(x_63, 3, x_24);
+lean_ctor_set(x_63, 4, x_25);
+lean_ctor_set(x_63, 5, x_26);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_2);
+lean_inc(x_6);
+x_64 = l_Lean_Meta_isExprDefEq(x_6, x_2, x_63, x_10, x_11, x_12, x_21);
+if (lean_obj_tag(x_64) == 0)
+{
+lean_object* x_65; uint8_t x_66; 
+x_65 = lean_ctor_get(x_64, 0);
+lean_inc(x_65);
+x_66 = lean_unbox(x_65);
+lean_dec(x_65);
+if (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_dec(x_20);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_67 = lean_ctor_get(x_64, 1);
+lean_inc(x_67);
+lean_dec(x_64);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_68 = l_Lean_Meta_mkHasTypeButIsExpectedMsg(x_6, x_2, x_9, x_10, x_11, x_12, x_67);
+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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2;
+x_72 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_72, 0, x_71);
+lean_ctor_set(x_72, 1, x_69);
+x_73 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__16;
+x_74 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_74, 1, x_73);
+x_75 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_74, x_7, x_8, x_9, x_10, x_11, x_12, x_70);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_78 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_78 = lean_box(0);
+}
+if (lean_is_scalar(x_78)) {
+ x_79 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_79 = x_78;
+}
+lean_ctor_set(x_79, 0, x_76);
+lean_ctor_set(x_79, 1, x_77);
+return x_79;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+lean_dec(x_6);
+lean_dec(x_2);
+x_80 = lean_ctor_get(x_64, 1);
+lean_inc(x_80);
+lean_dec(x_64);
+x_81 = lean_box(0);
+x_82 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3(x_3, x_4, x_5, x_20, x_81, x_7, x_8, x_9, x_10, x_11, x_12, x_80);
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_8);
+return x_82;
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+lean_dec(x_20);
+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_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_83 = lean_ctor_get(x_64, 0);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_64, 1);
+lean_inc(x_84);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_85 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_85 = lean_box(0);
+}
+if (lean_is_scalar(x_85)) {
+ x_86 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_86 = x_85;
+}
+lean_ctor_set(x_86, 0, x_83);
+lean_ctor_set(x_86, 1, x_84);
+return x_86;
+}
+}
+}
+else
+{
+uint8_t 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);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_87 = !lean_is_exclusive(x_18);
+if (x_87 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_18, 0);
+x_89 = lean_ctor_get(x_18, 1);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_18);
+x_90 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_90, 0, x_88);
+lean_ctor_set(x_90, 1, x_89);
+return x_90;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5(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) {
 _start:
 {
-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_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+lean_dec(x_6);
+lean_inc(x_10);
+x_14 = l_Lean_Meta_instantiateMVars(x_1, x_9, x_10, x_11, x_12, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = l_Lean_Expr_getAppFn(x_15);
+x_18 = l_Lean_Expr_isMVar(x_17);
+lean_dec(x_17);
+if (x_18 == 0)
+{
+lean_object* x_19; 
+lean_inc(x_15);
+x_19 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4(x_2, x_15, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+return x_19;
+}
+else
+{
+uint8_t x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_20 = 0;
+x_21 = lean_box(0);
+lean_inc(x_9);
+x_22 = l_Lean_Meta_mkFreshTypeMVar(x_20, x_21, x_9, x_10, x_11, x_12, x_16);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4(x_2, x_15, x_3, x_4, x_5, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_24);
+return x_25;
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("elabMatchAltView: ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(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) {
+_start:
+{
+uint8_t x_13; lean_object* x_14; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_27 = lean_st_ref_get(x_11, x_12);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_28, 3);
+lean_inc(x_29);
+lean_dec(x_28);
+x_30 = lean_ctor_get_uint8(x_29, sizeof(void*)*1);
+lean_dec(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; uint8_t x_32; 
+x_31 = lean_ctor_get(x_27, 1);
+lean_inc(x_31);
+lean_dec(x_27);
+x_32 = 0;
+x_13 = x_32;
+x_14 = x_31;
+goto block_26;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
+lean_dec(x_27);
+lean_inc(x_5);
+x_34 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_33);
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = lean_unbox(x_35);
+lean_dec(x_35);
+x_13 = x_37;
+x_14 = x_36;
+goto block_26;
+}
+block_26:
+{
+if (x_13 == 0)
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_box(0);
+x_16 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5(x_1, x_2, x_3, x_4, x_5, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
+return x_16;
+}
+else
+{
+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_inc(x_1);
+x_17 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_17, 0, x_1);
+x_18 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2;
+x_19 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+x_20 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__16;
+x_21 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+lean_inc(x_5);
+x_22 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5(x_1, x_2, x_3, x_4, x_5, x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_24);
+return x_25;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__7(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; lean_object* x_13; lean_object* x_14; 
 x_12 = lean_ctor_get(x_3, 1);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_1, 2);
-lean_inc(x_13);
-lean_dec(x_1);
-x_14 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_14, 0, x_4);
-x_15 = lean_box(0);
 lean_inc(x_12);
-x_16 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3), 13, 6);
-lean_closure_set(x_16, 0, x_13);
-lean_closure_set(x_16, 1, x_14);
-lean_closure_set(x_16, 2, x_15);
-lean_closure_set(x_16, 3, x_12);
-lean_closure_set(x_16, 4, x_3);
-lean_closure_set(x_16, 5, x_2);
-x_17 = l_Lean_Meta_withLocalInstances___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___spec__1___rarg(x_12, x_16, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_13 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6), 12, 5);
+lean_closure_set(x_13, 0, x_4);
+lean_closure_set(x_13, 1, x_1);
+lean_closure_set(x_13, 2, x_12);
+lean_closure_set(x_13, 3, x_3);
+lean_closure_set(x_13, 4, x_2);
+x_14 = l_Lean_Meta_withLocalInstances___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___spec__1___rarg(x_12, x_13, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_12);
-return x_17;
+return x_14;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5(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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8(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; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
@@ -19279,18 +19740,18 @@ x_12 = lean_ctor_get(x_1, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
-x_14 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4), 11, 2);
+x_14 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__7), 11, 2);
 lean_closure_set(x_14, 0, x_1);
 lean_closure_set(x_14, 1, x_2);
 x_15 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_withElaboratedLHS___rarg(x_12, x_4, x_13, x_3, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 return x_15;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(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) {
 _start:
 {
 lean_object* x_13; lean_object* x_14; 
-x_13 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5___boxed), 11, 3);
+x_13 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8___boxed), 11, 3);
 lean_closure_set(x_13, 0, x_1);
 lean_closure_set(x_13, 1, x_2);
 lean_closure_set(x_13, 2, x_3);
@@ -19398,7 +19859,7 @@ if (x_23 == 0)
 {
 lean_object* x_24; lean_object* x_25; 
 x_24 = lean_box(0);
-x_25 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(x_18, x_19, x_2, x_17, x_24, x_3, x_4, x_5, x_6, x_7, x_8, x_21);
+x_25 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(x_18, x_19, x_2, x_17, x_24, x_3, x_4, x_5, x_6, x_7, x_8, x_21);
 return x_25;
 }
 else
@@ -19427,7 +19888,7 @@ lean_dec(x_34);
 x_37 = lean_ctor_get(x_35, 0);
 lean_inc(x_37);
 lean_dec(x_35);
-x_38 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(x_18, x_19, x_2, x_17, x_37, x_3, x_4, x_5, x_6, x_7, x_8, x_36);
+x_38 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(x_18, x_19, x_2, x_17, x_37, x_3, x_4, x_5, x_6, x_7, x_8, x_36);
 lean_dec(x_37);
 return x_38;
 }
@@ -19563,7 +20024,7 @@ if (x_73 == 0)
 {
 lean_object* x_74; lean_object* x_75; 
 x_74 = lean_box(0);
-x_75 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(x_68, x_69, x_2, x_67, x_74, x_3, x_4, x_5, x_6, x_63, x_8, x_71);
+x_75 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(x_68, x_69, x_2, x_67, x_74, x_3, x_4, x_5, x_6, x_63, x_8, x_71);
 return x_75;
 }
 else
@@ -19592,7 +20053,7 @@ lean_dec(x_84);
 x_87 = lean_ctor_get(x_85, 0);
 lean_inc(x_87);
 lean_dec(x_85);
-x_88 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(x_68, x_69, x_2, x_67, x_87, x_3, x_4, x_5, x_6, x_63, x_8, x_86);
+x_88 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(x_68, x_69, x_2, x_67, x_87, x_3, x_4, x_5, x_6, x_63, x_8, x_86);
 lean_dec(x_87);
 return x_88;
 }
@@ -19670,20 +20131,32 @@ lean_dec(x_4);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5___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_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___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) {
+_start:
+{
+lean_object* x_13; 
+x_13 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_5);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8___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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_12 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__8(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_4);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___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___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9___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) {
 _start:
 {
 lean_object* x_13; 
-x_13 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_13 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_5);
 return x_13;
 }
@@ -25008,7 +25481,7 @@ lean_dec(x_2);
 return x_9;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -25018,7 +25491,7 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -25026,17 +25499,17 @@ x_1 = lean_mk_string("ignoreUnusedAlts");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1;
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2;
+x_1 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -25044,13 +25517,13 @@ x_1 = lean_mk_string("if true, do not generate error if an alternative is not us
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 0;
 x_2 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___closed__15;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -25059,12 +25532,12 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5;
 x_4 = l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(x_2, x_3, x_1);
 return x_4;
 }
@@ -25705,7 +26178,7 @@ _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___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3f___closed__4;
 x_2 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3f___closed__5;
-x_3 = lean_unsigned_to_nat(765u);
+x_3 = lean_unsigned_to_nat(773u);
 x_4 = lean_unsigned_to_nat(2u);
 x_5 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3f___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -28209,7 +28682,7 @@ if (lean_obj_tag(x_28) == 0)
 lean_object* x_30; lean_object* x_31; lean_object* x_32; 
 lean_dec(x_21);
 x_30 = lean_array_get_size(x_22);
-x_31 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1;
+x_31 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1;
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
@@ -31703,7 +32176,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13118_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13375_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -32480,6 +32953,14 @@ l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2___clo
 lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2___closed__1);
 l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2___closed__2 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__2___closed__2);
+l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__1);
+l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__4___closed__2);
+l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__1);
+l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__6___closed__2);
 l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___closed__1 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___closed__1);
 l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___closed__2 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___closed__2();
@@ -32508,17 +32989,17 @@ l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___closed__1
 lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___closed__1);
 l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___closed__2 = _init_l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__3);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__4);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897____closed__5);
-if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_9897_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__2);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__3);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__4);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154____closed__5);
+if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_10154_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_match_ignoreUnusedAlts = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_match_ignoreUnusedAlts);
@@ -32646,7 +33127,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabMatch_declRange___closed_
 res = l___regBuiltin_Lean_Elab_Term_elabMatch_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13118_(lean_io_mk_world());
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Match___hyg_13375_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l_Lean_Elab_Term_elabNoMatch___closed__1 = _init_l_Lean_Elab_Term_elabNoMatch___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
index d04de4b6d6..fbb57970eb 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
@@ -14,10 +14,11 @@
 extern "C" {
 #endif
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__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*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__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*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__3;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__8;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__2;
@@ -27,12 +28,12 @@ lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__1;
 lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(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_Fix_0__Lean_Elab_WF_processSumCasesOn(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_userName(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
@@ -40,12 +41,13 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__5;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__2;
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(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_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_SourceInfo_fromRef(lean_object*);
 lean_object* l_Lean_Meta_MatcherApp_addArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__4;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__5;
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getRecAppSyntax_x3f(lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTacticAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -53,7 +55,7 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_p
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__1;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 uint8_t l_Lean_Elab_Structural_recArgHasLooseBVarsAt(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__6;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__6;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__7;
@@ -62,25 +64,26 @@ lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*)
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__7;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(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*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__2;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(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_object* l_Lean_Elab_Term_instInhabitedTermElabM(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getMainModule___rarg(lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__1;
 lean_object* l_Lean_Meta_mkAppOptM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__5;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
 extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
@@ -89,20 +92,20 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab
 lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(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_Fix_0__Lean_Elab_WF_replaceRecApps_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_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_cleanup(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__6;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__2;
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___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_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3___closed__1;
@@ -116,28 +119,29 @@ lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__8;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(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*);
 static lean_object* l_Lean_Elab_WF_mkFix___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__4;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__3;
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___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_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(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_WF_mkFix___lambda__3(lean_object*, lean_object*, 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_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__5;
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__4;
-lean_object* l_Lean_Meta_getDecLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getCurrMacroScope(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1;
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(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*);
 extern lean_object* l_Lean_instInhabitedExpr;
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_run(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -147,36 +151,42 @@ lean_object* l_Lean_Meta_mapErrorImp___rarg(lean_object*, lean_object*, lean_obj
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
 size_t lean_usize_of_nat(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1(lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(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_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___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* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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* l_List_redLength___rarg(lean_object*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__8;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___lambda__2___closed__2;
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__1;
 static lean_object* l_Lean_Elab_WF_mkFix___closed__2;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(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_object* l_Lean_Expr_beta(lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
-lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___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* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(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_Lean_Elab_WF_mkFix___lambda__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_Lean_Elab_WF_mkFix___lambda__4___closed__4;
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_mkApp4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(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_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 lean_object* l_Lean_Meta_mkArrow(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -186,15 +196,16 @@ lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_arity(lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_reportUnsolvedGoals(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3___boxed(lean_object**);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___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_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*, lean_object*);
 lean_object* l_Lean_indentD(lean_object*);
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -202,22 +213,24 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_p
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__3;
 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_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__2;
 lean_object* l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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_Elab_WF_mkFix(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_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*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_WF_mkFix___lambda__4___closed__6;
 lean_object* l_Lean_Elab_Structural_refinedArgType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___boxed(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_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(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*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(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_Fix_0__Lean_Elab_WF_replaceRecApps(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_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___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_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
@@ -1105,1901 +1118,1934 @@ return x_129;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
 {
-lean_object* x_15; 
+lean_object* x_16; 
+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_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(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) {
-_start:
-{
-if (lean_obj_tag(x_4) == 5)
-{
-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_4, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_4, 1);
-lean_inc(x_15);
 lean_dec(x_4);
-x_16 = lean_array_set(x_5, x_6, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_6, x_17);
-lean_dec(x_6);
-x_4 = x_14;
-x_5 = x_16;
-x_6 = x_18;
-goto _start;
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
 }
 else
 {
-uint8_t x_20; 
-lean_dec(x_6);
-x_20 = l_Lean_Expr_isConstOf(x_4, x_1);
-if (x_20 == 0)
-{
-lean_object* x_21; 
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_5);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_25, x_26, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-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_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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-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; uint8_t x_45; 
-x_43 = lean_array_get_size(x_5);
-x_44 = lean_unsigned_to_nat(1u);
-x_45 = lean_nat_dec_eq(x_43, x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; 
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_46 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_46) == 0)
-{
-lean_object* x_47; lean_object* x_48; size_t x_49; size_t x_50; lean_object* x_51; 
-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 = lean_usize_of_nat(x_43);
-lean_dec(x_43);
-x_50 = 0;
-x_51 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_49, x_50, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
-if (lean_obj_tag(x_51) == 0)
-{
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_51, 0);
-x_54 = l_Lean_mkAppN(x_47, x_53);
-lean_ctor_set(x_51, 0, x_54);
-return x_51;
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_55 = lean_ctor_get(x_51, 0);
-x_56 = lean_ctor_get(x_51, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_51);
-x_57 = l_Lean_mkAppN(x_47, x_55);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_56);
-return x_58;
-}
-}
-else
-{
-uint8_t x_59; 
-lean_dec(x_47);
-x_59 = !lean_is_exclusive(x_51);
-if (x_59 == 0)
-{
-return x_51;
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_51, 0);
-x_61 = lean_ctor_get(x_51, 1);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_51);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
-}
-}
-}
-else
-{
-uint8_t x_63; 
-lean_dec(x_43);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_63 = !lean_is_exclusive(x_46);
-if (x_63 == 0)
-{
-return x_46;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_64 = lean_ctor_get(x_46, 0);
-x_65 = lean_ctor_get(x_46, 1);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_46);
-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_dec(x_43);
-lean_dec(x_4);
-x_67 = l_Lean_instInhabitedExpr;
-x_68 = lean_unsigned_to_nat(0u);
-x_69 = lean_array_get(x_67, x_5, x_68);
-lean_dec(x_5);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-x_70 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_69, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_70) == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-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_mkApp(x_3, x_71);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_73);
-x_74 = lean_infer_type(x_73, x_9, x_10, x_11, x_12, x_72);
-if (lean_obj_tag(x_74) == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-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);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_77 = lean_whnf(x_75, x_9, x_10, x_11, x_12, x_76);
-if (lean_obj_tag(x_77) == 0)
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_77, 1);
-lean_inc(x_79);
-lean_dec(x_77);
-x_80 = l_Lean_Expr_bindingDomain_x21(x_78);
-lean_dec(x_78);
-x_81 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_80, x_2, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
-if (lean_obj_tag(x_81) == 0)
-{
-uint8_t x_82; 
-x_82 = !lean_is_exclusive(x_81);
-if (x_82 == 0)
-{
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_81, 0);
-x_84 = l_Lean_mkApp(x_73, x_83);
-lean_ctor_set(x_81, 0, x_84);
-return x_81;
-}
-else
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_85 = lean_ctor_get(x_81, 0);
-x_86 = lean_ctor_get(x_81, 1);
-lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_81);
-x_87 = l_Lean_mkApp(x_73, x_85);
-x_88 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_86);
-return x_88;
-}
-}
-else
-{
-uint8_t x_89; 
-lean_dec(x_73);
-x_89 = !lean_is_exclusive(x_81);
-if (x_89 == 0)
-{
-return x_81;
-}
-else
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_90 = lean_ctor_get(x_81, 0);
-x_91 = lean_ctor_get(x_81, 1);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_dec(x_81);
-x_92 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_92, 0, x_90);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-}
-else
-{
-uint8_t x_93; 
-lean_dec(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);
-lean_dec(x_2);
-x_93 = !lean_is_exclusive(x_77);
-if (x_93 == 0)
-{
-return x_77;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_77, 0);
-x_95 = lean_ctor_get(x_77, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_77);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_94);
-lean_ctor_set(x_96, 1, x_95);
-return x_96;
-}
-}
-}
-else
-{
-uint8_t x_97; 
-lean_dec(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);
-lean_dec(x_2);
-x_97 = !lean_is_exclusive(x_74);
-if (x_97 == 0)
-{
-return x_74;
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_98 = lean_ctor_get(x_74, 0);
-x_99 = lean_ctor_get(x_74, 1);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_dec(x_74);
-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
-{
-uint8_t x_101; 
-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_3);
-lean_dec(x_2);
-x_101 = !lean_is_exclusive(x_70);
-if (x_101 == 0)
-{
-return x_70;
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_102 = lean_ctor_get(x_70, 0);
-x_103 = lean_ctor_get(x_70, 1);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_70);
-x_104 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-return x_104;
-}
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
 x_6 = x_24;
-x_13 = x_21;
+x_7 = x_25;
+x_14 = x_22;
 goto _start;
 }
 else
 {
-uint8_t x_26; 
-lean_dec(x_18);
+uint8_t x_27; 
+lean_dec(x_19);
+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_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(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) {
-_start:
-{
-if (lean_obj_tag(x_4) == 5)
-{
-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_4, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_4, 1);
-lean_inc(x_15);
 lean_dec(x_4);
-x_16 = lean_array_set(x_5, x_6, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_6, x_17);
-lean_dec(x_6);
-x_4 = x_14;
-x_5 = x_16;
-x_6 = x_18;
-goto _start;
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
 }
 else
 {
-uint8_t x_20; 
-lean_dec(x_6);
-x_20 = l_Lean_Expr_isConstOf(x_4, x_1);
-if (x_20 == 0)
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
 {
-lean_object* x_21; 
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_5);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_25, x_26, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-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; 
+uint8_t x_27; 
+lean_dec(x_19);
+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_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-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; uint8_t x_45; 
-x_43 = lean_array_get_size(x_5);
-x_44 = lean_unsigned_to_nat(1u);
-x_45 = lean_nat_dec_eq(x_43, x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; 
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_46 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_46) == 0)
-{
-lean_object* x_47; lean_object* x_48; size_t x_49; size_t x_50; lean_object* x_51; 
-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 = lean_usize_of_nat(x_43);
-lean_dec(x_43);
-x_50 = 0;
-x_51 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(x_1, x_2, x_3, x_49, x_50, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
-if (lean_obj_tag(x_51) == 0)
-{
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_51, 0);
-x_54 = l_Lean_mkAppN(x_47, x_53);
-lean_ctor_set(x_51, 0, x_54);
-return x_51;
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_55 = lean_ctor_get(x_51, 0);
-x_56 = lean_ctor_get(x_51, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_51);
-x_57 = l_Lean_mkAppN(x_47, x_55);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_56);
-return x_58;
-}
-}
-else
-{
-uint8_t x_59; 
-lean_dec(x_47);
-x_59 = !lean_is_exclusive(x_51);
-if (x_59 == 0)
-{
-return x_51;
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_51, 0);
-x_61 = lean_ctor_get(x_51, 1);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_51);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
-}
-}
-}
-else
-{
-uint8_t x_63; 
-lean_dec(x_43);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_63 = !lean_is_exclusive(x_46);
-if (x_63 == 0)
-{
-return x_46;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_64 = lean_ctor_get(x_46, 0);
-x_65 = lean_ctor_get(x_46, 1);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_46);
-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_dec(x_43);
 lean_dec(x_4);
-x_67 = l_Lean_instInhabitedExpr;
-x_68 = lean_unsigned_to_nat(0u);
-x_69 = lean_array_get(x_67, x_5, x_68);
-lean_dec(x_5);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-x_70 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_69, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_70) == 0)
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-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_mkApp(x_3, x_71);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_73);
-x_74 = lean_infer_type(x_73, x_9, x_10, x_11, x_12, x_72);
-if (lean_obj_tag(x_74) == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-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);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_77 = lean_whnf(x_75, x_9, x_10, x_11, x_12, x_76);
-if (lean_obj_tag(x_77) == 0)
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_77, 1);
-lean_inc(x_79);
-lean_dec(x_77);
-x_80 = l_Lean_Expr_bindingDomain_x21(x_78);
-lean_dec(x_78);
-x_81 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_80, x_2, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
-if (lean_obj_tag(x_81) == 0)
-{
-uint8_t x_82; 
-x_82 = !lean_is_exclusive(x_81);
-if (x_82 == 0)
-{
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_81, 0);
-x_84 = l_Lean_mkApp(x_73, x_83);
-lean_ctor_set(x_81, 0, x_84);
-return x_81;
-}
-else
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_85 = lean_ctor_get(x_81, 0);
-x_86 = lean_ctor_get(x_81, 1);
-lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_81);
-x_87 = l_Lean_mkApp(x_73, x_85);
-x_88 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_86);
-return x_88;
-}
-}
-else
-{
-uint8_t x_89; 
-lean_dec(x_73);
-x_89 = !lean_is_exclusive(x_81);
-if (x_89 == 0)
-{
-return x_81;
-}
-else
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_90 = lean_ctor_get(x_81, 0);
-x_91 = lean_ctor_get(x_81, 1);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_dec(x_81);
-x_92 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_92, 0, x_90);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-}
-else
-{
-uint8_t x_93; 
-lean_dec(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);
-lean_dec(x_2);
-x_93 = !lean_is_exclusive(x_77);
-if (x_93 == 0)
-{
-return x_77;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_77, 0);
-x_95 = lean_ctor_get(x_77, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_77);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_94);
-lean_ctor_set(x_96, 1, x_95);
-return x_96;
-}
-}
-}
-else
-{
-uint8_t x_97; 
-lean_dec(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);
-lean_dec(x_2);
-x_97 = !lean_is_exclusive(x_74);
-if (x_97 == 0)
-{
-return x_74;
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_98 = lean_ctor_get(x_74, 0);
-x_99 = lean_ctor_get(x_74, 1);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_dec(x_74);
-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
-{
-uint8_t x_101; 
-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_3);
-lean_dec(x_2);
-x_101 = !lean_is_exclusive(x_70);
-if (x_101 == 0)
-{
-return x_70;
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_102 = lean_ctor_get(x_70, 0);
-x_103 = lean_ctor_get(x_70, 1);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_70);
-x_104 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-return x_104;
-}
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
 lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
+lean_dec(x_20);
+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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
+if (lean_obj_tag(x_5) == 5)
 {
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(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) {
-_start:
-{
-if (lean_obj_tag(x_4) == 5)
-{
-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_4, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_4, 1);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_5, 0);
 lean_inc(x_15);
-lean_dec(x_4);
-x_16 = lean_array_set(x_5, x_6, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_6, x_17);
-lean_dec(x_6);
-x_4 = x_14;
-x_5 = x_16;
-x_6 = x_18;
+x_16 = lean_ctor_get(x_5, 1);
+lean_inc(x_16);
+lean_dec(x_5);
+x_17 = lean_array_set(x_6, x_7, x_16);
+x_18 = lean_unsigned_to_nat(1u);
+x_19 = lean_nat_sub(x_7, x_18);
+lean_dec(x_7);
+x_5 = x_15;
+x_6 = x_17;
+x_7 = x_19;
 goto _start;
 }
 else
 {
-uint8_t x_20; 
-lean_dec(x_6);
-x_20 = l_Lean_Expr_isConstOf(x_4, x_1);
-if (x_20 == 0)
+uint8_t x_21; 
+lean_dec(x_7);
+x_21 = l_Lean_Expr_isConstOf(x_5, x_1);
+if (x_21 == 0)
 {
-lean_object* x_21; 
+lean_object* x_22; 
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
+x_22 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
+x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_5);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(x_1, x_2, x_3, x_25, x_26, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
 lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
+x_25 = lean_array_get_size(x_6);
+x_26 = lean_usize_of_nat(x_25);
+lean_dec(x_25);
+x_27 = 0;
+x_28 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_4, x_26, x_27, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_24);
+if (lean_obj_tag(x_28) == 0)
 {
-return x_27;
+uint8_t x_29; 
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = l_Lean_mkAppN(x_23, x_30);
+lean_ctor_set(x_28, 0, x_31);
+return x_28;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_28, 0);
+x_33 = lean_ctor_get(x_28, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_28);
+x_34 = l_Lean_mkAppN(x_23, x_32);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_23);
+x_36 = !lean_is_exclusive(x_28);
+if (x_36 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_28, 0);
+x_38 = lean_ctor_get(x_28, 1);
+lean_inc(x_38);
 lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-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;
+lean_dec(x_28);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
 }
 }
 }
 else
 {
-uint8_t x_39; 
+uint8_t x_40; 
+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_dec(x_5);
+lean_dec(x_6);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
+x_40 = !lean_is_exclusive(x_22);
+if (x_40 == 0)
 {
-return x_21;
+return x_22;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_22, 0);
+x_42 = lean_ctor_get(x_22, 1);
+lean_inc(x_42);
 lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-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_dec(x_22);
+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
 {
-lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-x_43 = lean_array_get_size(x_5);
-x_44 = lean_unsigned_to_nat(1u);
-x_45 = lean_nat_dec_eq(x_43, x_44);
-if (x_45 == 0)
+lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_44 = lean_array_get_size(x_6);
+x_45 = lean_unsigned_to_nat(1u);
+x_46 = lean_nat_add(x_2, x_45);
+x_47 = lean_nat_dec_eq(x_44, x_46);
+lean_dec(x_46);
+if (x_47 == 0)
 {
-lean_object* x_46; 
+lean_object* x_48; 
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_46 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_46) == 0)
+x_48 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_47; lean_object* x_48; size_t x_49; size_t x_50; lean_object* x_51; 
-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 = lean_usize_of_nat(x_43);
-lean_dec(x_43);
-x_50 = 0;
-x_51 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(x_1, x_2, x_3, x_49, x_50, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
-if (lean_obj_tag(x_51) == 0)
+lean_object* x_49; lean_object* x_50; size_t x_51; size_t x_52; lean_object* x_53; 
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = lean_usize_of_nat(x_44);
+lean_dec(x_44);
+x_52 = 0;
+x_53 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_4, x_51, x_52, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_50);
+if (lean_obj_tag(x_53) == 0)
 {
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
+uint8_t x_54; 
+x_54 = !lean_is_exclusive(x_53);
+if (x_54 == 0)
 {
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_51, 0);
-x_54 = l_Lean_mkAppN(x_47, x_53);
-lean_ctor_set(x_51, 0, x_54);
-return x_51;
+lean_object* x_55; lean_object* x_56; 
+x_55 = lean_ctor_get(x_53, 0);
+x_56 = l_Lean_mkAppN(x_49, x_55);
+lean_ctor_set(x_53, 0, x_56);
+return x_53;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_55 = lean_ctor_get(x_51, 0);
-x_56 = lean_ctor_get(x_51, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_51);
-x_57 = l_Lean_mkAppN(x_47, x_55);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_56);
-return x_58;
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_57 = lean_ctor_get(x_53, 0);
+x_58 = lean_ctor_get(x_53, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_53);
+x_59 = l_Lean_mkAppN(x_49, x_57);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
 }
 }
 else
 {
-uint8_t x_59; 
-lean_dec(x_47);
-x_59 = !lean_is_exclusive(x_51);
-if (x_59 == 0)
+uint8_t x_61; 
+lean_dec(x_49);
+x_61 = !lean_is_exclusive(x_53);
+if (x_61 == 0)
 {
-return x_51;
+return x_53;
 }
 else
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_51, 0);
-x_61 = lean_ctor_get(x_51, 1);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_51);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_53, 0);
+x_63 = lean_ctor_get(x_53, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
 }
 }
 }
 else
 {
-uint8_t x_63; 
-lean_dec(x_43);
+uint8_t x_65; 
+lean_dec(x_44);
+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_dec(x_5);
+lean_dec(x_6);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_63 = !lean_is_exclusive(x_46);
-if (x_63 == 0)
+x_65 = !lean_is_exclusive(x_48);
+if (x_65 == 0)
 {
-return x_46;
+return x_48;
 }
 else
 {
-lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_64 = lean_ctor_get(x_46, 0);
-x_65 = lean_ctor_get(x_46, 1);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_46);
-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;
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_48, 0);
+x_67 = lean_ctor_get(x_48, 1);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_48);
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-lean_dec(x_43);
-lean_dec(x_4);
-x_67 = l_Lean_instInhabitedExpr;
-x_68 = lean_unsigned_to_nat(0u);
-x_69 = lean_array_get(x_67, x_5, x_68);
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_dec(x_44);
 lean_dec(x_5);
+x_69 = l_Lean_instInhabitedExpr;
+x_70 = l_Array_back___rarg(x_69, x_6);
+lean_dec(x_6);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_70 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_69, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_70) == 0)
+x_71 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_70, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_71) == 0)
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_71 = lean_ctor_get(x_70, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_70, 1);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_71, 0);
 lean_inc(x_72);
-lean_dec(x_70);
-x_73 = l_Lean_mkApp(x_3, x_71);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
+x_73 = lean_ctor_get(x_71, 1);
 lean_inc(x_73);
-x_74 = lean_infer_type(x_73, x_9, x_10, x_11, x_12, x_72);
-if (lean_obj_tag(x_74) == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-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);
+lean_dec(x_71);
+x_74 = l_Lean_mkApp(x_4, x_72);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
-x_77 = lean_whnf(x_75, x_9, x_10, x_11, x_12, x_76);
-if (lean_obj_tag(x_77) == 0)
+lean_inc(x_74);
+x_75 = lean_infer_type(x_74, x_10, x_11, x_12, x_13, x_73);
+if (lean_obj_tag(x_75) == 0)
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_77, 1);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+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);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_78 = lean_whnf(x_76, x_10, x_11, x_12, x_13, x_77);
+if (lean_obj_tag(x_78) == 0)
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_79 = lean_ctor_get(x_78, 0);
 lean_inc(x_79);
-lean_dec(x_77);
-x_80 = l_Lean_Expr_bindingDomain_x21(x_78);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
 lean_dec(x_78);
-x_81 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_80, x_2, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
-if (lean_obj_tag(x_81) == 0)
+x_81 = l_Lean_Expr_bindingDomain_x21(x_79);
+lean_dec(x_79);
+x_82 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_81, x_3, x_8, x_9, x_10, x_11, x_12, x_13, x_80);
+if (lean_obj_tag(x_82) == 0)
 {
-uint8_t x_82; 
-x_82 = !lean_is_exclusive(x_81);
-if (x_82 == 0)
+uint8_t x_83; 
+x_83 = !lean_is_exclusive(x_82);
+if (x_83 == 0)
 {
-lean_object* x_83; lean_object* x_84; 
-x_83 = lean_ctor_get(x_81, 0);
-x_84 = l_Lean_mkApp(x_73, x_83);
-lean_ctor_set(x_81, 0, x_84);
-return x_81;
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_82, 0);
+x_85 = l_Lean_mkApp(x_74, x_84);
+lean_ctor_set(x_82, 0, x_85);
+return x_82;
 }
 else
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_85 = lean_ctor_get(x_81, 0);
-x_86 = lean_ctor_get(x_81, 1);
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_86 = lean_ctor_get(x_82, 0);
+x_87 = lean_ctor_get(x_82, 1);
+lean_inc(x_87);
 lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_81);
-x_87 = l_Lean_mkApp(x_73, x_85);
-x_88 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_86);
-return x_88;
+lean_dec(x_82);
+x_88 = l_Lean_mkApp(x_74, x_86);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_87);
+return x_89;
 }
 }
 else
 {
-uint8_t x_89; 
-lean_dec(x_73);
-x_89 = !lean_is_exclusive(x_81);
-if (x_89 == 0)
-{
-return x_81;
-}
-else
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_90 = lean_ctor_get(x_81, 0);
-x_91 = lean_ctor_get(x_81, 1);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_dec(x_81);
-x_92 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_92, 0, x_90);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
-}
-}
-}
-else
-{
-uint8_t x_93; 
-lean_dec(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);
-lean_dec(x_2);
-x_93 = !lean_is_exclusive(x_77);
-if (x_93 == 0)
-{
-return x_77;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_77, 0);
-x_95 = lean_ctor_get(x_77, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_77);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_94);
-lean_ctor_set(x_96, 1, x_95);
-return x_96;
-}
-}
-}
-else
-{
-uint8_t x_97; 
-lean_dec(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);
-lean_dec(x_2);
-x_97 = !lean_is_exclusive(x_74);
-if (x_97 == 0)
-{
-return x_74;
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_98 = lean_ctor_get(x_74, 0);
-x_99 = lean_ctor_get(x_74, 1);
-lean_inc(x_99);
-lean_inc(x_98);
+uint8_t x_90; 
 lean_dec(x_74);
-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;
+x_90 = !lean_is_exclusive(x_82);
+if (x_90 == 0)
+{
+return x_82;
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_82, 0);
+x_92 = lean_ctor_get(x_82, 1);
+lean_inc(x_92);
+lean_inc(x_91);
+lean_dec(x_82);
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
 }
 }
 }
 else
 {
-uint8_t x_101; 
+uint8_t x_94; 
+lean_dec(x_74);
+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_dec(x_3);
+x_94 = !lean_is_exclusive(x_78);
+if (x_94 == 0)
+{
+return x_78;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_78, 0);
+x_96 = lean_ctor_get(x_78, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_78);
+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
+{
+uint8_t x_98; 
+lean_dec(x_74);
+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_3);
+x_98 = !lean_is_exclusive(x_75);
+if (x_98 == 0)
+{
+return x_75;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_75, 0);
+x_100 = lean_ctor_get(x_75, 1);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_dec(x_75);
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
+}
+}
+}
+else
+{
+uint8_t x_102; 
+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_4);
+lean_dec(x_3);
+x_102 = !lean_is_exclusive(x_71);
+if (x_102 == 0)
+{
+return x_71;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_71, 0);
+x_104 = lean_ctor_get(x_71, 1);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_71);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
+}
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_101 = !lean_is_exclusive(x_70);
-if (x_101 == 0)
-{
-return x_70;
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
 }
 else
 {
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_102 = lean_ctor_get(x_70, 0);
-x_103 = lean_ctor_get(x_70, 1);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+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_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+if (lean_obj_tag(x_5) == 5)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_5, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_5, 1);
+lean_inc(x_16);
+lean_dec(x_5);
+x_17 = lean_array_set(x_6, x_7, x_16);
+x_18 = lean_unsigned_to_nat(1u);
+x_19 = lean_nat_sub(x_7, x_18);
+lean_dec(x_7);
+x_5 = x_15;
+x_6 = x_17;
+x_7 = x_19;
+goto _start;
+}
+else
+{
+uint8_t x_21; 
+lean_dec(x_7);
+x_21 = l_Lean_Expr_isConstOf(x_5, x_1);
+if (x_21 == 0)
+{
+lean_object* x_22; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_22 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_array_get_size(x_6);
+x_26 = lean_usize_of_nat(x_25);
+lean_dec(x_25);
+x_27 = 0;
+x_28 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_4, x_26, x_27, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_24);
+if (lean_obj_tag(x_28) == 0)
+{
+uint8_t x_29; 
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = l_Lean_mkAppN(x_23, x_30);
+lean_ctor_set(x_28, 0, x_31);
+return x_28;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_28, 0);
+x_33 = lean_ctor_get(x_28, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_28);
+x_34 = l_Lean_mkAppN(x_23, x_32);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_23);
+x_36 = !lean_is_exclusive(x_28);
+if (x_36 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_28, 0);
+x_38 = lean_ctor_get(x_28, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_28);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+}
+else
+{
+uint8_t x_40; 
+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_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_22);
+if (x_40 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_22, 0);
+x_42 = lean_ctor_get(x_22, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_22);
+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
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_44 = lean_array_get_size(x_6);
+x_45 = lean_unsigned_to_nat(1u);
+x_46 = lean_nat_add(x_2, x_45);
+x_47 = lean_nat_dec_eq(x_44, x_46);
+lean_dec(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_48 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_48) == 0)
+{
+lean_object* x_49; lean_object* x_50; size_t x_51; size_t x_52; lean_object* x_53; 
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = lean_usize_of_nat(x_44);
+lean_dec(x_44);
+x_52 = 0;
+x_53 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(x_1, x_2, x_3, x_4, x_51, x_52, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_50);
+if (lean_obj_tag(x_53) == 0)
+{
+uint8_t x_54; 
+x_54 = !lean_is_exclusive(x_53);
+if (x_54 == 0)
+{
+lean_object* x_55; lean_object* x_56; 
+x_55 = lean_ctor_get(x_53, 0);
+x_56 = l_Lean_mkAppN(x_49, x_55);
+lean_ctor_set(x_53, 0, x_56);
+return x_53;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_57 = lean_ctor_get(x_53, 0);
+x_58 = lean_ctor_get(x_53, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_53);
+x_59 = l_Lean_mkAppN(x_49, x_57);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+uint8_t x_61; 
+lean_dec(x_49);
+x_61 = !lean_is_exclusive(x_53);
+if (x_61 == 0)
+{
+return x_53;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_53, 0);
+x_63 = lean_ctor_get(x_53, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
+}
+}
+}
+else
+{
+uint8_t x_65; 
+lean_dec(x_44);
+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_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_65 = !lean_is_exclusive(x_48);
+if (x_65 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_48, 0);
+x_67 = lean_ctor_get(x_48, 1);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_48);
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
+}
+}
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_dec(x_44);
+lean_dec(x_5);
+x_69 = l_Lean_instInhabitedExpr;
+x_70 = l_Array_back___rarg(x_69, x_6);
+lean_dec(x_6);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+x_71 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_70, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_71) == 0)
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = l_Lean_mkApp(x_4, x_72);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_74);
+x_75 = lean_infer_type(x_74, x_10, x_11, x_12, x_13, x_73);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+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);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_78 = lean_whnf(x_76, x_10, x_11, x_12, x_13, x_77);
+if (lean_obj_tag(x_78) == 0)
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
+lean_dec(x_78);
+x_81 = l_Lean_Expr_bindingDomain_x21(x_79);
+lean_dec(x_79);
+x_82 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_81, x_3, x_8, x_9, x_10, x_11, x_12, x_13, x_80);
+if (lean_obj_tag(x_82) == 0)
+{
+uint8_t x_83; 
+x_83 = !lean_is_exclusive(x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_82, 0);
+x_85 = l_Lean_mkApp(x_74, x_84);
+lean_ctor_set(x_82, 0, x_85);
+return x_82;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_86 = lean_ctor_get(x_82, 0);
+x_87 = lean_ctor_get(x_82, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_82);
+x_88 = l_Lean_mkApp(x_74, x_86);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_87);
+return x_89;
+}
+}
+else
+{
+uint8_t x_90; 
+lean_dec(x_74);
+x_90 = !lean_is_exclusive(x_82);
+if (x_90 == 0)
+{
+return x_82;
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_82, 0);
+x_92 = lean_ctor_get(x_82, 1);
+lean_inc(x_92);
+lean_inc(x_91);
+lean_dec(x_82);
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
+}
+}
+}
+else
+{
+uint8_t x_94; 
+lean_dec(x_74);
+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_3);
+x_94 = !lean_is_exclusive(x_78);
+if (x_94 == 0)
+{
+return x_78;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_78, 0);
+x_96 = lean_ctor_get(x_78, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_78);
+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
+{
+uint8_t x_98; 
+lean_dec(x_74);
+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_3);
+x_98 = !lean_is_exclusive(x_75);
+if (x_98 == 0)
+{
+return x_75;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_75, 0);
+x_100 = lean_ctor_get(x_75, 1);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_dec(x_75);
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
+}
+}
+}
+else
+{
+uint8_t x_102; 
+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_4);
+lean_dec(x_3);
+x_102 = !lean_is_exclusive(x_71);
+if (x_102 == 0)
+{
+return x_71;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_71, 0);
+x_104 = lean_ctor_get(x_71, 1);
+lean_inc(x_104);
 lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_70);
-x_104 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-return x_104;
+lean_dec(x_71);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
+}
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+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_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+if (lean_obj_tag(x_5) == 5)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_5, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_5, 1);
+lean_inc(x_16);
+lean_dec(x_5);
+x_17 = lean_array_set(x_6, x_7, x_16);
+x_18 = lean_unsigned_to_nat(1u);
+x_19 = lean_nat_sub(x_7, x_18);
+lean_dec(x_7);
+x_5 = x_15;
+x_6 = x_17;
+x_7 = x_19;
+goto _start;
+}
+else
+{
+uint8_t x_21; 
+lean_dec(x_7);
+x_21 = l_Lean_Expr_isConstOf(x_5, x_1);
+if (x_21 == 0)
+{
+lean_object* x_22; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_22 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_array_get_size(x_6);
+x_26 = lean_usize_of_nat(x_25);
+lean_dec(x_25);
+x_27 = 0;
+x_28 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(x_1, x_2, x_3, x_4, x_26, x_27, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_24);
+if (lean_obj_tag(x_28) == 0)
+{
+uint8_t x_29; 
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = l_Lean_mkAppN(x_23, x_30);
+lean_ctor_set(x_28, 0, x_31);
+return x_28;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_28, 0);
+x_33 = lean_ctor_get(x_28, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_28);
+x_34 = l_Lean_mkAppN(x_23, x_32);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_23);
+x_36 = !lean_is_exclusive(x_28);
+if (x_36 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_28, 0);
+x_38 = lean_ctor_get(x_28, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_28);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+}
+else
+{
+uint8_t x_40; 
+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_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_22);
+if (x_40 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_22, 0);
+x_42 = lean_ctor_get(x_22, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_22);
+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
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_44 = lean_array_get_size(x_6);
+x_45 = lean_unsigned_to_nat(1u);
+x_46 = lean_nat_add(x_2, x_45);
+x_47 = lean_nat_dec_eq(x_44, x_46);
+lean_dec(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_48 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_48) == 0)
+{
+lean_object* x_49; lean_object* x_50; size_t x_51; size_t x_52; lean_object* x_53; 
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = lean_usize_of_nat(x_44);
+lean_dec(x_44);
+x_52 = 0;
+x_53 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(x_1, x_2, x_3, x_4, x_51, x_52, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_50);
+if (lean_obj_tag(x_53) == 0)
+{
+uint8_t x_54; 
+x_54 = !lean_is_exclusive(x_53);
+if (x_54 == 0)
+{
+lean_object* x_55; lean_object* x_56; 
+x_55 = lean_ctor_get(x_53, 0);
+x_56 = l_Lean_mkAppN(x_49, x_55);
+lean_ctor_set(x_53, 0, x_56);
+return x_53;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_57 = lean_ctor_get(x_53, 0);
+x_58 = lean_ctor_get(x_53, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_53);
+x_59 = l_Lean_mkAppN(x_49, x_57);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+uint8_t x_61; 
+lean_dec(x_49);
+x_61 = !lean_is_exclusive(x_53);
+if (x_61 == 0)
+{
+return x_53;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_53, 0);
+x_63 = lean_ctor_get(x_53, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
+}
+}
+}
+else
+{
+uint8_t x_65; 
+lean_dec(x_44);
+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_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_65 = !lean_is_exclusive(x_48);
+if (x_65 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_48, 0);
+x_67 = lean_ctor_get(x_48, 1);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_48);
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
+}
+}
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_dec(x_44);
+lean_dec(x_5);
+x_69 = l_Lean_instInhabitedExpr;
+x_70 = l_Array_back___rarg(x_69, x_6);
+lean_dec(x_6);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+x_71 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_70, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_71) == 0)
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = l_Lean_mkApp(x_4, x_72);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_74);
+x_75 = lean_infer_type(x_74, x_10, x_11, x_12, x_13, x_73);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+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);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_78 = lean_whnf(x_76, x_10, x_11, x_12, x_13, x_77);
+if (lean_obj_tag(x_78) == 0)
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
+lean_dec(x_78);
+x_81 = l_Lean_Expr_bindingDomain_x21(x_79);
+lean_dec(x_79);
+x_82 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_81, x_3, x_8, x_9, x_10, x_11, x_12, x_13, x_80);
+if (lean_obj_tag(x_82) == 0)
+{
+uint8_t x_83; 
+x_83 = !lean_is_exclusive(x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_82, 0);
+x_85 = l_Lean_mkApp(x_74, x_84);
+lean_ctor_set(x_82, 0, x_85);
+return x_82;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_86 = lean_ctor_get(x_82, 0);
+x_87 = lean_ctor_get(x_82, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_82);
+x_88 = l_Lean_mkApp(x_74, x_86);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_87);
+return x_89;
+}
+}
+else
+{
+uint8_t x_90; 
+lean_dec(x_74);
+x_90 = !lean_is_exclusive(x_82);
+if (x_90 == 0)
+{
+return x_82;
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_82, 0);
+x_92 = lean_ctor_get(x_82, 1);
+lean_inc(x_92);
+lean_inc(x_91);
+lean_dec(x_82);
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
+}
+}
+}
+else
+{
+uint8_t x_94; 
+lean_dec(x_74);
+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_3);
+x_94 = !lean_is_exclusive(x_78);
+if (x_94 == 0)
+{
+return x_78;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_78, 0);
+x_96 = lean_ctor_get(x_78, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_78);
+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
+{
+uint8_t x_98; 
+lean_dec(x_74);
+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_3);
+x_98 = !lean_is_exclusive(x_75);
+if (x_98 == 0)
+{
+return x_75;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_75, 0);
+x_100 = lean_ctor_get(x_75, 1);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_dec(x_75);
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
+}
+}
+}
+else
+{
+uint8_t x_102; 
+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_4);
+lean_dec(x_3);
+x_102 = !lean_is_exclusive(x_71);
+if (x_102 == 0)
+{
+return x_71;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_71, 0);
+x_104 = lean_ctor_get(x_71, 1);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_71);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
 }
 }
 }
@@ -3079,61 +3125,61 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_unsigned_to_nat(1u);
-x_15 = lean_nat_sub(x_1, x_14);
-x_16 = l_Lean_instInhabitedExpr;
-x_17 = lean_array_get(x_16, x_2, x_15);
-lean_dec(x_15);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_sub(x_1, x_15);
+x_17 = l_Lean_instInhabitedExpr;
+x_18 = lean_array_get(x_17, x_2, x_16);
+lean_dec(x_16);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_3, x_4, x_17, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_18) == 0)
+x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_3, x_4, x_5, x_18, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_18, 1);
+lean_object* x_20; lean_object* x_21; uint8_t x_22; uint8_t x_23; lean_object* x_24; 
+x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
-lean_dec(x_18);
-x_21 = 0;
-x_22 = 1;
-x_23 = l_Lean_Meta_mkLambdaFVars(x_2, x_19, x_21, x_22, x_9, x_10, x_11, x_12, x_20);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+x_22 = 0;
+x_23 = 1;
+x_24 = l_Lean_Meta_mkLambdaFVars(x_2, x_20, x_22, x_23, 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_23;
+return x_24;
 }
 else
 {
-uint8_t x_24; 
+uint8_t x_25; 
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_9);
 lean_dec(x_2);
-x_24 = !lean_is_exclusive(x_18);
-if (x_24 == 0)
+x_25 = !lean_is_exclusive(x_19);
+if (x_25 == 0)
 {
-return x_18;
+return x_19;
 }
 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_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_19, 0);
+x_27 = lean_ctor_get(x_19, 1);
+lean_inc(x_27);
 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_dec(x_19);
+x_28 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
 }
 }
 }
@@ -3189,260 +3235,268 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_15; uint8_t x_16; 
-x_15 = lean_array_get_size(x_6);
-x_16 = lean_nat_dec_le(x_1, x_15);
-lean_dec(x_15);
-if (x_16 == 0)
+lean_object* x_16; uint8_t x_17; 
+x_16 = lean_array_get_size(x_7);
+x_17 = lean_nat_dec_le(x_1, x_16);
+lean_dec(x_16);
+if (x_17 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+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_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_17 = l_Lean_indentExpr(x_4);
-x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__2;
-x_19 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
-x_20 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__4;
-x_21 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_21, 0, x_19);
-lean_ctor_set(x_21, 1, x_20);
-x_22 = l_Lean_indentExpr(x_5);
-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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__6;
-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_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_25, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_18 = l_Lean_indentExpr(x_5);
+x_19 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__2;
+x_20 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+x_21 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__4;
+x_22 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+x_23 = l_Lean_indentExpr(x_6);
+x_24 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+x_25 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__6;
+x_26 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+x_27 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_27, 0);
+x_30 = lean_ctor_get(x_27, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_27);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+else
+{
+lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+lean_dec(x_5);
+x_32 = lean_box(0);
+x_33 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__1(x_1, x_7, x_2, x_3, x_4, x_8, x_32, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_33;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_27 = !lean_is_exclusive(x_26);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+x_20 = lean_ctor_get(x_17, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_17, 1);
+lean_inc(x_21);
+lean_dec(x_17);
+lean_inc(x_4);
+lean_inc(x_20);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_22 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___boxed), 15, 6);
+lean_closure_set(x_22, 0, x_21);
+lean_closure_set(x_22, 1, x_1);
+lean_closure_set(x_22, 2, x_2);
+lean_closure_set(x_22, 3, x_3);
+lean_closure_set(x_22, 4, x_20);
+lean_closure_set(x_22, 5, x_4);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_23 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___rarg(x_20, x_22, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
+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 = 1;
+x_27 = lean_usize_add(x_6, x_26);
+x_28 = lean_array_uset(x_19, x_6, x_24);
+x_6 = x_27;
+x_7 = x_28;
+x_14 = x_25;
+goto _start;
+}
+else
+{
+uint8_t x_30; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_30 = !lean_is_exclusive(x_23);
+if (x_30 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_23, 0);
+x_32 = lean_ctor_get(x_23, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_23);
+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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+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_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
 if (x_27 == 0)
 {
-return x_26;
+return x_20;
 }
 else
 {
 lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_26, 0);
-x_29 = lean_ctor_get(x_26, 1);
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
 lean_inc(x_29);
 lean_inc(x_28);
-lean_dec(x_26);
+lean_dec(x_20);
 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;
 }
 }
-else
-{
-lean_object* x_31; lean_object* x_32; 
-lean_dec(x_5);
-lean_dec(x_4);
-x_31 = lean_box(0);
-x_32 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__1(x_1, x_6, x_2, x_3, x_7, x_31, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_32;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-x_19 = lean_ctor_get(x_16, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_16, 1);
-lean_inc(x_20);
-lean_dec(x_16);
-lean_inc(x_3);
-lean_inc(x_19);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___boxed), 14, 5);
-lean_closure_set(x_21, 0, x_20);
-lean_closure_set(x_21, 1, x_1);
-lean_closure_set(x_21, 2, x_2);
-lean_closure_set(x_21, 3, x_19);
-lean_closure_set(x_21, 4, x_3);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_22 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___rarg(x_19, x_21, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_22) == 0)
-{
-lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = 1;
-x_26 = lean_usize_add(x_5, x_25);
-x_27 = lean_array_uset(x_18, x_5, x_23);
-x_5 = x_26;
-x_6 = x_27;
-x_13 = x_24;
-goto _start;
-}
-else
-{
-uint8_t x_29; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = !lean_is_exclusive(x_22);
-if (x_29 == 0)
-{
-return x_22;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_22, 0);
-x_31 = lean_ctor_get(x_22, 1);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_dec(x_22);
-x_32 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-return x_32;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_5, x_4);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_6);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_array_uget(x_6, x_5);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_6, x_5, x_17);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; size_t x_22; size_t 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_inc(x_21);
-lean_dec(x_19);
-x_22 = 1;
-x_23 = lean_usize_add(x_5, x_22);
-x_24 = lean_array_uset(x_18, x_5, x_20);
-x_5 = x_23;
-x_6 = x_24;
-x_13 = x_21;
-goto _start;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_18);
-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_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_19);
-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;
-}
-}
 }
 }
 }
@@ -3486,55 +3540,168 @@ lean_ctor_set(x_4, 1, x_2);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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) {
 _start:
 {
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_expr_instantiate1(x_1, x_5);
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_8);
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_14) == 0)
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; uint8_t x_20; lean_object* x_21; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_18 = lean_array_push(x_17, x_5);
-x_19 = 0;
-x_20 = 1;
-x_21 = l_Lean_Meta_mkLambdaFVars(x_18, x_15, x_19, x_20, x_8, x_9, x_10, x_11, x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = 1;
+x_22 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_21, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_22;
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
+lean_dec(x_6);
+x_23 = !lean_is_exclusive(x_15);
+if (x_23 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_15, 0);
+x_25 = lean_ctor_get(x_15, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_15);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = 1;
+x_22 = l_Lean_Meta_mkForallFVars(x_19, x_16, x_20, x_21, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_22;
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_6);
+x_23 = !lean_is_exclusive(x_15);
+if (x_23 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_15, 0);
+x_25 = lean_ctor_get(x_15, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_15);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_20, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
 return x_21;
 }
 else
 {
 uint8_t x_22; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-x_22 = !lean_is_exclusive(x_14);
+lean_dec(x_6);
+x_22 = !lean_is_exclusive(x_15);
 if (x_22 == 0)
 {
-return x_14;
+return x_15;
 }
 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);
+x_23 = lean_ctor_get(x_15, 0);
+x_24 = lean_ctor_get(x_15, 1);
 lean_inc(x_24);
 lean_inc(x_23);
-lean_dec(x_14);
+lean_dec(x_15);
 x_25 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_25, 0, x_23);
 lean_ctor_set(x_25, 1, x_24);
@@ -3543,119 +3710,6 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_expr_instantiate1(x_1, x_5);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; uint8_t x_20; lean_object* x_21; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_18 = lean_array_push(x_17, x_5);
-x_19 = 0;
-x_20 = 1;
-x_21 = l_Lean_Meta_mkForallFVars(x_18, x_15, x_19, x_20, x_8, x_9, x_10, x_11, x_16);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_21;
-}
-else
-{
-uint8_t x_22; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-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;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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) {
-_start:
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_expr_instantiate1(x_1, x_5);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_18 = lean_array_push(x_17, x_5);
-x_19 = 0;
-x_20 = l_Lean_Meta_mkLambdaFVars(x_18, x_15, x_19, x_19, x_8, x_9, x_10, x_11, x_16);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_20;
-}
-else
-{
-uint8_t x_21; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-x_21 = !lean_is_exclusive(x_14);
-if (x_21 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_14, 0);
-x_23 = lean_ctor_get(x_14, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_14);
-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;
-}
-}
-}
-}
 static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1() {
 _start:
 {
@@ -3664,275 +3718,281 @@ x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__L
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(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) {
 _start:
 {
-switch (lean_obj_tag(x_4)) {
+switch (lean_obj_tag(x_5)) {
 case 5:
 {
-lean_object* x_12; lean_object* x_13; 
-lean_inc(x_4);
-x_12 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-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; 
-x_14 = lean_ctor_get(x_12, 1);
+lean_object* x_13; lean_object* x_14; 
+lean_inc(x_5);
+x_13 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = l_Lean_Expr_getAppNumArgsAux(x_4, x_15);
-x_17 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
-lean_inc(x_16);
-x_18 = lean_mk_array(x_16, x_17);
-x_19 = lean_unsigned_to_nat(1u);
-x_20 = lean_nat_sub(x_16, x_19);
-lean_dec(x_16);
-x_21 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_18, x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
-return x_21;
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = l_Lean_Expr_getAppNumArgsAux(x_5, x_16);
+x_18 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
+lean_inc(x_17);
+x_19 = lean_mk_array(x_17, x_18);
+x_20 = lean_unsigned_to_nat(1u);
+x_21 = lean_nat_sub(x_17, x_20);
+lean_dec(x_17);
+x_22 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_5, x_19, x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
+return x_22;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = lean_ctor_get(x_12, 1);
-lean_inc(x_22);
-lean_dec(x_12);
-x_23 = lean_ctor_get(x_13, 0);
+lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_23 = lean_ctor_get(x_13, 1);
 lean_inc(x_23);
 lean_dec(x_13);
-x_24 = lean_unsigned_to_nat(0u);
-lean_inc(x_4);
+x_24 = lean_ctor_get(x_14, 0);
+lean_inc(x_24);
+lean_dec(x_14);
+lean_inc(x_5);
+lean_inc(x_2);
 lean_inc(x_1);
-x_25 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_1, x_24, x_4);
+x_25 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_1, x_2, x_5);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-lean_dec(x_23);
-x_26 = l_Lean_Expr_getAppNumArgsAux(x_4, x_24);
-x_27 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
-lean_inc(x_26);
-x_28 = lean_mk_array(x_26, x_27);
-x_29 = lean_unsigned_to_nat(1u);
-x_30 = lean_nat_sub(x_26, x_29);
-lean_dec(x_26);
-x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_4, x_28, x_30, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
-return x_31;
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+lean_dec(x_24);
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = l_Lean_Expr_getAppNumArgsAux(x_5, x_26);
+x_28 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
+lean_inc(x_27);
+x_29 = lean_mk_array(x_27, x_28);
+x_30 = lean_unsigned_to_nat(1u);
+x_31 = lean_nat_sub(x_27, x_30);
+lean_dec(x_27);
+x_32 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_4, x_5, x_29, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+return x_32;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-lean_inc(x_3);
-x_32 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
-lean_closure_set(x_32, 0, x_23);
-lean_closure_set(x_32, 1, x_3);
-x_33 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1;
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_inc(x_4);
+x_33 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
+lean_closure_set(x_33, 0, x_24);
+lean_closure_set(x_33, 1, x_4);
+x_34 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1;
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_34 = l_Lean_Meta_mapErrorImp___rarg(x_32, x_33, x_7, x_8, x_9, x_10, x_22);
-if (lean_obj_tag(x_34) == 0)
+x_35 = l_Lean_Meta_mapErrorImp___rarg(x_33, x_34, x_8, x_9, x_10, x_11, x_23);
+if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 1);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
-lean_dec(x_34);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_35);
-x_37 = l_Lean_Elab_Structural_refinedArgType(x_35, x_3, x_7, x_8, x_9, x_10, x_36);
-if (lean_obj_tag(x_37) == 0)
+lean_inc(x_4);
+lean_inc(x_36);
+x_38 = l_Lean_Elab_Structural_refinedArgType(x_36, x_4, x_8, x_9, x_10, x_11, x_37);
+if (lean_obj_tag(x_38) == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
-lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+x_40 = lean_unbox(x_39);
+lean_dec(x_39);
+if (x_40 == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-lean_dec(x_35);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Expr_getAppNumArgsAux(x_4, x_24);
-x_42 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
+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_dec(x_36);
+x_41 = lean_ctor_get(x_38, 1);
 lean_inc(x_41);
-x_43 = lean_mk_array(x_41, x_42);
-x_44 = lean_unsigned_to_nat(1u);
-x_45 = lean_nat_sub(x_41, x_44);
-lean_dec(x_41);
-x_46 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(x_1, x_2, x_3, x_4, x_43, x_45, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
-return x_46;
+lean_dec(x_38);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = l_Lean_Expr_getAppNumArgsAux(x_5, x_42);
+x_44 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___closed__1;
+lean_inc(x_43);
+x_45 = lean_mk_array(x_43, x_44);
+x_46 = lean_unsigned_to_nat(1u);
+x_47 = lean_nat_sub(x_43, x_46);
+lean_dec(x_43);
+x_48 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__11(x_1, x_2, x_3, x_4, x_5, x_45, x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_41);
+return x_48;
 }
 else
 {
-lean_object* x_47; uint8_t x_48; 
-x_47 = lean_ctor_get(x_37, 1);
-lean_inc(x_47);
-lean_dec(x_37);
-x_48 = !lean_is_exclusive(x_35);
-if (x_48 == 0)
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_38, 1);
+lean_inc(x_49);
+lean_dec(x_38);
+x_50 = !lean_is_exclusive(x_36);
+if (x_50 == 0)
 {
-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; size_t x_60; size_t x_61; lean_object* x_62; 
-x_49 = lean_ctor_get(x_35, 0);
-x_50 = lean_ctor_get(x_35, 1);
-x_51 = lean_ctor_get(x_35, 2);
-x_52 = lean_ctor_get(x_35, 3);
-x_53 = lean_ctor_get(x_35, 4);
-x_54 = lean_ctor_get(x_35, 5);
-x_55 = lean_ctor_get(x_35, 6);
-x_56 = lean_ctor_get(x_35, 7);
-x_57 = lean_ctor_get(x_35, 8);
-x_58 = l_Array_zip___rarg(x_56, x_55);
-lean_dec(x_56);
-x_59 = lean_array_get_size(x_58);
-x_60 = lean_usize_of_nat(x_59);
-lean_dec(x_59);
-x_61 = 0;
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; size_t x_62; size_t x_63; lean_object* x_64; 
+x_51 = lean_ctor_get(x_36, 0);
+x_52 = lean_ctor_get(x_36, 1);
+x_53 = lean_ctor_get(x_36, 2);
+x_54 = lean_ctor_get(x_36, 3);
+x_55 = lean_ctor_get(x_36, 4);
+x_56 = lean_ctor_get(x_36, 5);
+x_57 = lean_ctor_get(x_36, 6);
+x_58 = lean_ctor_get(x_36, 7);
+x_59 = lean_ctor_get(x_36, 8);
+x_60 = l_Array_zip___rarg(x_58, x_57);
+lean_dec(x_58);
+x_61 = lean_array_get_size(x_60);
+x_62 = lean_usize_of_nat(x_61);
+lean_dec(x_61);
+x_63 = 0;
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
+lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_62 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_4, x_60, x_61, x_58, x_5, x_6, x_7, x_8, x_9, x_10, x_47);
-if (lean_obj_tag(x_62) == 0)
+x_64 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_5, x_62, x_63, x_60, x_6, x_7, x_8, x_9, x_10, x_11, x_49);
+if (lean_obj_tag(x_64) == 0)
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; size_t x_66; lean_object* x_67; 
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
-lean_dec(x_62);
-x_65 = lean_array_get_size(x_54);
-x_66 = lean_usize_of_nat(x_65);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; size_t x_68; lean_object* x_69; 
+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_array_get_size(x_56);
+x_68 = lean_usize_of_nat(x_67);
+lean_dec(x_67);
+x_69 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_4, x_68, x_63, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_66);
+if (lean_obj_tag(x_69) == 0)
+{
+uint8_t x_70; 
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; 
+x_71 = lean_ctor_get(x_69, 0);
+lean_ctor_set(x_36, 7, x_65);
+lean_ctor_set(x_36, 5, x_71);
+x_72 = l_Lean_Meta_MatcherApp_toExpr(x_36);
+lean_ctor_set(x_69, 0, x_72);
+return x_69;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_73 = lean_ctor_get(x_69, 0);
+x_74 = lean_ctor_get(x_69, 1);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_69);
+lean_ctor_set(x_36, 7, x_65);
+lean_ctor_set(x_36, 5, x_73);
+x_75 = l_Lean_Meta_MatcherApp_toExpr(x_36);
+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
+{
+uint8_t x_77; 
 lean_dec(x_65);
-x_67 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_66, x_61, x_54, x_5, x_6, x_7, x_8, x_9, x_10, x_64);
-if (lean_obj_tag(x_67) == 0)
-{
-uint8_t x_68; 
-x_68 = !lean_is_exclusive(x_67);
-if (x_68 == 0)
-{
-lean_object* x_69; lean_object* x_70; 
-x_69 = lean_ctor_get(x_67, 0);
-lean_ctor_set(x_35, 7, x_63);
-lean_ctor_set(x_35, 5, x_69);
-x_70 = l_Lean_Meta_MatcherApp_toExpr(x_35);
-lean_ctor_set(x_67, 0, x_70);
-return x_67;
-}
-else
-{
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_71 = lean_ctor_get(x_67, 0);
-x_72 = lean_ctor_get(x_67, 1);
-lean_inc(x_72);
-lean_inc(x_71);
-lean_dec(x_67);
-lean_ctor_set(x_35, 7, x_63);
-lean_ctor_set(x_35, 5, x_71);
-x_73 = l_Lean_Meta_MatcherApp_toExpr(x_35);
-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;
-}
-}
-else
-{
-uint8_t x_75; 
-lean_dec(x_63);
-lean_free_object(x_35);
-lean_dec(x_57);
-lean_dec(x_55);
-lean_dec(x_53);
-lean_dec(x_52);
-lean_dec(x_51);
-lean_dec(x_50);
-lean_dec(x_49);
-x_75 = !lean_is_exclusive(x_67);
-if (x_75 == 0)
-{
-return x_67;
-}
-else
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_76 = lean_ctor_get(x_67, 0);
-x_77 = lean_ctor_get(x_67, 1);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_dec(x_67);
-x_78 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
-}
-else
-{
-uint8_t x_79; 
-lean_free_object(x_35);
+lean_free_object(x_36);
+lean_dec(x_59);
 lean_dec(x_57);
 lean_dec(x_55);
 lean_dec(x_54);
 lean_dec(x_53);
 lean_dec(x_52);
 lean_dec(x_51);
-lean_dec(x_50);
-lean_dec(x_49);
+x_77 = !lean_is_exclusive(x_69);
+if (x_77 == 0)
+{
+return x_69;
+}
+else
+{
+lean_object* x_78; lean_object* x_79; lean_object* x_80; 
+x_78 = lean_ctor_get(x_69, 0);
+x_79 = lean_ctor_get(x_69, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_69);
+x_80 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+return x_80;
+}
+}
+}
+else
+{
+uint8_t x_81; 
+lean_free_object(x_36);
+lean_dec(x_59);
+lean_dec(x_57);
+lean_dec(x_56);
+lean_dec(x_55);
+lean_dec(x_54);
+lean_dec(x_53);
+lean_dec(x_52);
+lean_dec(x_51);
+lean_dec(x_11);
 lean_dec(x_10);
 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_79 = !lean_is_exclusive(x_62);
-if (x_79 == 0)
+x_81 = !lean_is_exclusive(x_64);
+if (x_81 == 0)
 {
-return x_62;
+return x_64;
 }
 else
 {
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_62, 0);
-x_81 = lean_ctor_get(x_62, 1);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_dec(x_62);
-x_82 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_82, 0, x_80);
-lean_ctor_set(x_82, 1, x_81);
-return x_82;
+lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_82 = lean_ctor_get(x_64, 0);
+x_83 = lean_ctor_get(x_64, 1);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_64);
+x_84 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_84, 0, x_82);
+lean_ctor_set(x_84, 1, x_83);
+return x_84;
 }
 }
 }
 else
 {
-lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; size_t x_94; size_t x_95; lean_object* x_96; 
-x_83 = lean_ctor_get(x_35, 0);
-x_84 = lean_ctor_get(x_35, 1);
-x_85 = lean_ctor_get(x_35, 2);
-x_86 = lean_ctor_get(x_35, 3);
-x_87 = lean_ctor_get(x_35, 4);
-x_88 = lean_ctor_get(x_35, 5);
-x_89 = lean_ctor_get(x_35, 6);
-x_90 = lean_ctor_get(x_35, 7);
-x_91 = lean_ctor_get(x_35, 8);
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; size_t x_96; size_t x_97; lean_object* x_98; 
+x_85 = lean_ctor_get(x_36, 0);
+x_86 = lean_ctor_get(x_36, 1);
+x_87 = lean_ctor_get(x_36, 2);
+x_88 = lean_ctor_get(x_36, 3);
+x_89 = lean_ctor_get(x_36, 4);
+x_90 = lean_ctor_get(x_36, 5);
+x_91 = lean_ctor_get(x_36, 6);
+x_92 = lean_ctor_get(x_36, 7);
+x_93 = lean_ctor_get(x_36, 8);
+lean_inc(x_93);
+lean_inc(x_92);
 lean_inc(x_91);
 lean_inc(x_90);
 lean_inc(x_89);
@@ -3940,212 +4000,214 @@ lean_inc(x_88);
 lean_inc(x_87);
 lean_inc(x_86);
 lean_inc(x_85);
-lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_35);
-x_92 = l_Array_zip___rarg(x_90, x_89);
-lean_dec(x_90);
-x_93 = lean_array_get_size(x_92);
-x_94 = lean_usize_of_nat(x_93);
-lean_dec(x_93);
-x_95 = 0;
+lean_dec(x_36);
+x_94 = l_Array_zip___rarg(x_92, x_91);
+lean_dec(x_92);
+x_95 = lean_array_get_size(x_94);
+x_96 = lean_usize_of_nat(x_95);
+lean_dec(x_95);
+x_97 = 0;
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
+lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_96 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_4, x_94, x_95, x_92, x_5, x_6, x_7, x_8, x_9, x_10, x_47);
-if (lean_obj_tag(x_96) == 0)
+x_98 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_5, x_96, x_97, x_94, x_6, x_7, x_8, x_9, x_10, x_11, x_49);
+if (lean_obj_tag(x_98) == 0)
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; size_t x_100; lean_object* x_101; 
-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_99 = lean_array_get_size(x_88);
-x_100 = lean_usize_of_nat(x_99);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; size_t x_102; lean_object* x_103; 
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+x_101 = lean_array_get_size(x_90);
+x_102 = lean_usize_of_nat(x_101);
+lean_dec(x_101);
+x_103 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_4, x_102, x_97, x_90, x_6, x_7, x_8, x_9, x_10, x_11, x_100);
+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);
+}
+x_107 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_107, 0, x_85);
+lean_ctor_set(x_107, 1, x_86);
+lean_ctor_set(x_107, 2, x_87);
+lean_ctor_set(x_107, 3, x_88);
+lean_ctor_set(x_107, 4, x_89);
+lean_ctor_set(x_107, 5, x_104);
+lean_ctor_set(x_107, 6, x_91);
+lean_ctor_set(x_107, 7, x_99);
+lean_ctor_set(x_107, 8, x_93);
+x_108 = l_Lean_Meta_MatcherApp_toExpr(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_99);
-x_101 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_100, x_95, x_88, x_5, x_6, x_7, x_8, x_9, x_10, x_98);
-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; 
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_101, 1);
-lean_inc(x_103);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- x_104 = x_101;
-} else {
- lean_dec_ref(x_101);
- x_104 = lean_box(0);
-}
-x_105 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_105, 0, x_83);
-lean_ctor_set(x_105, 1, x_84);
-lean_ctor_set(x_105, 2, x_85);
-lean_ctor_set(x_105, 3, x_86);
-lean_ctor_set(x_105, 4, x_87);
-lean_ctor_set(x_105, 5, x_102);
-lean_ctor_set(x_105, 6, x_89);
-lean_ctor_set(x_105, 7, x_97);
-lean_ctor_set(x_105, 8, x_91);
-x_106 = l_Lean_Meta_MatcherApp_toExpr(x_105);
-if (lean_is_scalar(x_104)) {
- x_107 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_107 = x_104;
-}
-lean_ctor_set(x_107, 0, x_106);
-lean_ctor_set(x_107, 1, x_103);
-return x_107;
-}
-else
-{
-lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-lean_dec(x_97);
-lean_dec(x_91);
-lean_dec(x_89);
-lean_dec(x_87);
-lean_dec(x_86);
-lean_dec(x_85);
-lean_dec(x_84);
-lean_dec(x_83);
-x_108 = lean_ctor_get(x_101, 0);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_101, 1);
-lean_inc(x_109);
-if (lean_is_exclusive(x_101)) {
- lean_ctor_release(x_101, 0);
- lean_ctor_release(x_101, 1);
- x_110 = x_101;
-} else {
- lean_dec_ref(x_101);
- x_110 = lean_box(0);
-}
-if (lean_is_scalar(x_110)) {
- x_111 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_111 = x_110;
-}
-lean_ctor_set(x_111, 0, x_108);
-lean_ctor_set(x_111, 1, x_109);
-return x_111;
-}
-}
-else
-{
-lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+lean_dec(x_93);
 lean_dec(x_91);
 lean_dec(x_89);
 lean_dec(x_88);
 lean_dec(x_87);
 lean_dec(x_86);
 lean_dec(x_85);
-lean_dec(x_84);
-lean_dec(x_83);
+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_93);
+lean_dec(x_91);
+lean_dec(x_90);
+lean_dec(x_89);
+lean_dec(x_88);
+lean_dec(x_87);
+lean_dec(x_86);
+lean_dec(x_85);
+lean_dec(x_11);
 lean_dec(x_10);
 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_112 = lean_ctor_get(x_96, 0);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_96, 1);
-lean_inc(x_113);
-if (lean_is_exclusive(x_96)) {
- lean_ctor_release(x_96, 0);
- lean_ctor_release(x_96, 1);
- x_114 = x_96;
+x_114 = lean_ctor_get(x_98, 0);
+lean_inc(x_114);
+x_115 = lean_ctor_get(x_98, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_98)) {
+ lean_ctor_release(x_98, 0);
+ lean_ctor_release(x_98, 1);
+ x_116 = x_98;
 } else {
- lean_dec_ref(x_96);
- x_114 = lean_box(0);
+ lean_dec_ref(x_98);
+ x_116 = lean_box(0);
 }
-if (lean_is_scalar(x_114)) {
- x_115 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_116)) {
+ x_117 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_115 = x_114;
+ x_117 = x_116;
 }
-lean_ctor_set(x_115, 0, x_112);
-lean_ctor_set(x_115, 1, x_113);
-return x_115;
+lean_ctor_set(x_117, 0, x_114);
+lean_ctor_set(x_117, 1, x_115);
+return x_117;
 }
 }
 }
 }
 else
 {
-uint8_t x_116; 
+uint8_t x_118; 
+lean_dec(x_36);
+lean_dec(x_11);
+lean_dec(x_10);
+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_118 = !lean_is_exclusive(x_38);
+if (x_118 == 0)
+{
+return x_38;
+}
+else
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_119 = lean_ctor_get(x_38, 0);
+x_120 = lean_ctor_get(x_38, 1);
+lean_inc(x_120);
+lean_inc(x_119);
+lean_dec(x_38);
+x_121 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_121, 0, x_119);
+lean_ctor_set(x_121, 1, x_120);
+return x_121;
+}
+}
+}
+else
+{
+uint8_t x_122; 
+lean_dec(x_11);
+lean_dec(x_10);
+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_122 = !lean_is_exclusive(x_35);
+if (x_122 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+x_123 = lean_ctor_get(x_35, 0);
+x_124 = lean_ctor_get(x_35, 1);
+lean_inc(x_124);
+lean_inc(x_123);
 lean_dec(x_35);
-lean_dec(x_10);
-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_116 = !lean_is_exclusive(x_37);
-if (x_116 == 0)
-{
-return x_37;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_117 = lean_ctor_get(x_37, 0);
-x_118 = lean_ctor_get(x_37, 1);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_dec(x_37);
-x_119 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_119, 0, x_117);
-lean_ctor_set(x_119, 1, x_118);
-return x_119;
-}
-}
-}
-else
-{
-uint8_t x_120; 
-lean_dec(x_10);
-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_120 = !lean_is_exclusive(x_34);
-if (x_120 == 0)
-{
-return x_34;
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-x_121 = lean_ctor_get(x_34, 0);
-x_122 = lean_ctor_get(x_34, 1);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_dec(x_34);
-x_123 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_123, 0, x_121);
-lean_ctor_set(x_123, 1, x_122);
-return x_123;
+x_125 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_125, 0, x_123);
+lean_ctor_set(x_125, 1, x_124);
+return x_125;
 }
 }
 }
@@ -4153,467 +4215,479 @@ return x_123;
 }
 case 6:
 {
-lean_object* x_124; lean_object* x_125; lean_object* x_126; uint64_t x_127; lean_object* x_128; 
-x_124 = lean_ctor_get(x_4, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_4, 1);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_4, 2);
+lean_object* x_126; lean_object* x_127; lean_object* x_128; uint64_t x_129; lean_object* x_130; 
+x_126 = lean_ctor_get(x_5, 0);
 lean_inc(x_126);
-x_127 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
-lean_dec(x_4);
+x_127 = lean_ctor_get(x_5, 1);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_5, 2);
+lean_inc(x_128);
+x_129 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
+lean_dec(x_5);
+lean_inc(x_11);
 lean_inc(x_10);
 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_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_128 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_125, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_128) == 0)
+x_130 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_127, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_130) == 0)
 {
-lean_object* x_129; lean_object* x_130; uint8_t x_131; lean_object* x_132; lean_object* x_133; 
-x_129 = lean_ctor_get(x_128, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_128, 1);
-lean_inc(x_130);
-lean_dec(x_128);
-x_131 = (uint8_t)((x_127 << 24) >> 61);
-x_132 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed), 12, 4);
-lean_closure_set(x_132, 0, x_126);
-lean_closure_set(x_132, 1, x_1);
-lean_closure_set(x_132, 2, x_2);
-lean_closure_set(x_132, 3, x_3);
-x_133 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_124, x_131, x_129, x_132, x_5, x_6, x_7, x_8, x_9, x_10, x_130);
-return x_133;
+lean_object* x_131; lean_object* x_132; uint8_t x_133; lean_object* x_134; lean_object* x_135; 
+x_131 = lean_ctor_get(x_130, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_130, 1);
+lean_inc(x_132);
+lean_dec(x_130);
+x_133 = (uint8_t)((x_129 << 24) >> 61);
+x_134 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed), 13, 5);
+lean_closure_set(x_134, 0, x_128);
+lean_closure_set(x_134, 1, x_1);
+lean_closure_set(x_134, 2, x_2);
+lean_closure_set(x_134, 3, x_3);
+lean_closure_set(x_134, 4, x_4);
+x_135 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_126, x_133, x_131, x_134, x_6, x_7, x_8, x_9, x_10, x_11, x_132);
+return x_135;
 }
 else
 {
-uint8_t x_134; 
+uint8_t x_136; 
+lean_dec(x_128);
 lean_dec(x_126);
-lean_dec(x_124);
+lean_dec(x_11);
 lean_dec(x_10);
 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_134 = !lean_is_exclusive(x_128);
-if (x_134 == 0)
+x_136 = !lean_is_exclusive(x_130);
+if (x_136 == 0)
 {
-return x_128;
+return x_130;
 }
 else
 {
-lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_135 = lean_ctor_get(x_128, 0);
-x_136 = lean_ctor_get(x_128, 1);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_dec(x_128);
-x_137 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_137, 0, x_135);
-lean_ctor_set(x_137, 1, x_136);
-return x_137;
+lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_137 = lean_ctor_get(x_130, 0);
+x_138 = lean_ctor_get(x_130, 1);
+lean_inc(x_138);
+lean_inc(x_137);
+lean_dec(x_130);
+x_139 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_139, 0, x_137);
+lean_ctor_set(x_139, 1, x_138);
+return x_139;
 }
 }
 }
 case 7:
 {
-lean_object* x_138; lean_object* x_139; lean_object* x_140; uint64_t x_141; lean_object* x_142; 
-x_138 = lean_ctor_get(x_4, 0);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_4, 1);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_4, 2);
+lean_object* x_140; lean_object* x_141; lean_object* x_142; uint64_t x_143; lean_object* x_144; 
+x_140 = lean_ctor_get(x_5, 0);
 lean_inc(x_140);
-x_141 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
-lean_dec(x_4);
+x_141 = lean_ctor_get(x_5, 1);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_5, 2);
+lean_inc(x_142);
+x_143 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
+lean_dec(x_5);
+lean_inc(x_11);
 lean_inc(x_10);
 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_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_142 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_139, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_142) == 0)
+x_144 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_141, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_144) == 0)
 {
-lean_object* x_143; lean_object* x_144; uint8_t x_145; lean_object* x_146; lean_object* x_147; 
-x_143 = lean_ctor_get(x_142, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_142, 1);
-lean_inc(x_144);
-lean_dec(x_142);
-x_145 = (uint8_t)((x_141 << 24) >> 61);
-x_146 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed), 12, 4);
-lean_closure_set(x_146, 0, x_140);
-lean_closure_set(x_146, 1, x_1);
-lean_closure_set(x_146, 2, x_2);
-lean_closure_set(x_146, 3, x_3);
-x_147 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_138, x_145, x_143, x_146, x_5, x_6, x_7, x_8, x_9, x_10, x_144);
-return x_147;
+lean_object* x_145; lean_object* x_146; uint8_t x_147; lean_object* x_148; lean_object* x_149; 
+x_145 = lean_ctor_get(x_144, 0);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_144, 1);
+lean_inc(x_146);
+lean_dec(x_144);
+x_147 = (uint8_t)((x_143 << 24) >> 61);
+x_148 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed), 13, 5);
+lean_closure_set(x_148, 0, x_142);
+lean_closure_set(x_148, 1, x_1);
+lean_closure_set(x_148, 2, x_2);
+lean_closure_set(x_148, 3, x_3);
+lean_closure_set(x_148, 4, x_4);
+x_149 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_140, x_147, x_145, x_148, x_6, x_7, x_8, x_9, x_10, x_11, x_146);
+return x_149;
 }
 else
 {
-uint8_t x_148; 
+uint8_t x_150; 
+lean_dec(x_142);
 lean_dec(x_140);
-lean_dec(x_138);
+lean_dec(x_11);
 lean_dec(x_10);
 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_148 = !lean_is_exclusive(x_142);
-if (x_148 == 0)
+x_150 = !lean_is_exclusive(x_144);
+if (x_150 == 0)
 {
-return x_142;
+return x_144;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; lean_object* x_151; 
-x_149 = lean_ctor_get(x_142, 0);
-x_150 = lean_ctor_get(x_142, 1);
-lean_inc(x_150);
-lean_inc(x_149);
-lean_dec(x_142);
-x_151 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_151, 0, x_149);
-lean_ctor_set(x_151, 1, x_150);
-return x_151;
+lean_object* x_151; lean_object* x_152; lean_object* x_153; 
+x_151 = lean_ctor_get(x_144, 0);
+x_152 = lean_ctor_get(x_144, 1);
+lean_inc(x_152);
+lean_inc(x_151);
+lean_dec(x_144);
+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;
 }
 }
 }
 case 8:
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-x_152 = lean_ctor_get(x_4, 0);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_4, 1);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_4, 2);
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; 
+x_154 = lean_ctor_get(x_5, 0);
 lean_inc(x_154);
-x_155 = lean_ctor_get(x_4, 3);
+x_155 = lean_ctor_get(x_5, 1);
 lean_inc(x_155);
-lean_dec(x_4);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_156 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_153, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_156) == 0)
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_157 = lean_ctor_get(x_156, 0);
+x_156 = lean_ctor_get(x_5, 2);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_5, 3);
 lean_inc(x_157);
-x_158 = lean_ctor_get(x_156, 1);
-lean_inc(x_158);
-lean_dec(x_156);
+lean_dec(x_5);
+lean_inc(x_11);
 lean_inc(x_10);
 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_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_159 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_154, x_5, x_6, x_7, x_8, x_9, x_10, x_158);
-if (lean_obj_tag(x_159) == 0)
+x_158 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_155, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_158) == 0)
 {
-lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-x_160 = lean_ctor_get(x_159, 0);
+lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+x_159 = lean_ctor_get(x_158, 0);
+lean_inc(x_159);
+x_160 = lean_ctor_get(x_158, 1);
 lean_inc(x_160);
-x_161 = lean_ctor_get(x_159, 1);
-lean_inc(x_161);
-lean_dec(x_159);
-x_162 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed), 12, 4);
-lean_closure_set(x_162, 0, x_155);
-lean_closure_set(x_162, 1, x_1);
-lean_closure_set(x_162, 2, x_2);
-lean_closure_set(x_162, 3, x_3);
-x_163 = l_Lean_Meta_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(x_152, x_157, x_160, x_162, x_5, x_6, x_7, x_8, x_9, x_10, x_161);
-return x_163;
+lean_dec(x_158);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_161 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_156, x_6, x_7, x_8, x_9, x_10, x_11, x_160);
+if (lean_obj_tag(x_161) == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_162 = lean_ctor_get(x_161, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_161, 1);
+lean_inc(x_163);
+lean_dec(x_161);
+x_164 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed), 13, 5);
+lean_closure_set(x_164, 0, x_157);
+lean_closure_set(x_164, 1, x_1);
+lean_closure_set(x_164, 2, x_2);
+lean_closure_set(x_164, 3, x_3);
+lean_closure_set(x_164, 4, x_4);
+x_165 = l_Lean_Meta_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(x_154, x_159, x_162, x_164, x_6, x_7, x_8, x_9, x_10, x_11, x_163);
+return x_165;
 }
 else
 {
-uint8_t x_164; 
+uint8_t x_166; 
+lean_dec(x_159);
 lean_dec(x_157);
-lean_dec(x_155);
-lean_dec(x_152);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-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_164 = !lean_is_exclusive(x_159);
-if (x_164 == 0)
-{
-return x_159;
-}
-else
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-x_165 = lean_ctor_get(x_159, 0);
-x_166 = lean_ctor_get(x_159, 1);
-lean_inc(x_166);
-lean_inc(x_165);
-lean_dec(x_159);
-x_167 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_167, 0, x_165);
-lean_ctor_set(x_167, 1, x_166);
-return x_167;
-}
-}
-}
-else
-{
-uint8_t x_168; 
-lean_dec(x_155);
 lean_dec(x_154);
-lean_dec(x_152);
+lean_dec(x_11);
 lean_dec(x_10);
 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_168 = !lean_is_exclusive(x_156);
-if (x_168 == 0)
+x_166 = !lean_is_exclusive(x_161);
+if (x_166 == 0)
 {
-return x_156;
+return x_161;
 }
 else
 {
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_156, 0);
-x_170 = lean_ctor_get(x_156, 1);
-lean_inc(x_170);
-lean_inc(x_169);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; 
+x_167 = lean_ctor_get(x_161, 0);
+x_168 = lean_ctor_get(x_161, 1);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_161);
+x_169 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_169, 0, x_167);
+lean_ctor_set(x_169, 1, x_168);
+return x_169;
+}
+}
+}
+else
+{
+uint8_t x_170; 
+lean_dec(x_157);
 lean_dec(x_156);
-x_171 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_171, 0, x_169);
-lean_ctor_set(x_171, 1, x_170);
-return x_171;
+lean_dec(x_154);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_170 = !lean_is_exclusive(x_158);
+if (x_170 == 0)
+{
+return x_158;
+}
+else
+{
+lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+x_171 = lean_ctor_get(x_158, 0);
+x_172 = lean_ctor_get(x_158, 1);
+lean_inc(x_172);
+lean_inc(x_171);
+lean_dec(x_158);
+x_173 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_173, 0, x_171);
+lean_ctor_set(x_173, 1, x_172);
+return x_173;
 }
 }
 }
 case 10:
 {
-lean_object* x_172; lean_object* x_173; lean_object* x_174; 
-x_172 = lean_ctor_get(x_4, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_4, 1);
-lean_inc(x_173);
-x_174 = l_Lean_getRecAppSyntax_x3f(x_4);
-lean_dec(x_4);
-if (lean_obj_tag(x_174) == 0)
+lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+x_174 = lean_ctor_get(x_5, 0);
+lean_inc(x_174);
+x_175 = lean_ctor_get(x_5, 1);
+lean_inc(x_175);
+x_176 = l_Lean_getRecAppSyntax_x3f(x_5);
+lean_dec(x_5);
+if (lean_obj_tag(x_176) == 0)
 {
-lean_object* x_175; 
-x_175 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_173, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_175) == 0)
+lean_object* x_177; 
+x_177 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_175, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_177) == 0)
 {
-uint8_t x_176; 
-x_176 = !lean_is_exclusive(x_175);
-if (x_176 == 0)
+uint8_t x_178; 
+x_178 = !lean_is_exclusive(x_177);
+if (x_178 == 0)
 {
-lean_object* x_177; lean_object* x_178; 
-x_177 = lean_ctor_get(x_175, 0);
-x_178 = l_Lean_mkMData(x_172, x_177);
-lean_ctor_set(x_175, 0, x_178);
-return x_175;
+lean_object* x_179; lean_object* x_180; 
+x_179 = lean_ctor_get(x_177, 0);
+x_180 = l_Lean_mkMData(x_174, x_179);
+lean_ctor_set(x_177, 0, x_180);
+return x_177;
 }
 else
 {
-lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-x_179 = lean_ctor_get(x_175, 0);
-x_180 = lean_ctor_get(x_175, 1);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_175);
-x_181 = l_Lean_mkMData(x_172, x_179);
-x_182 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_182, 0, x_181);
-lean_ctor_set(x_182, 1, x_180);
-return x_182;
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+x_181 = lean_ctor_get(x_177, 0);
+x_182 = lean_ctor_get(x_177, 1);
+lean_inc(x_182);
+lean_inc(x_181);
+lean_dec(x_177);
+x_183 = l_Lean_mkMData(x_174, x_181);
+x_184 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_184, 0, x_183);
+lean_ctor_set(x_184, 1, x_182);
+return x_184;
 }
 }
 else
 {
-uint8_t x_183; 
-lean_dec(x_172);
-x_183 = !lean_is_exclusive(x_175);
-if (x_183 == 0)
-{
-return x_175;
-}
-else
-{
-lean_object* x_184; lean_object* x_185; lean_object* x_186; 
-x_184 = lean_ctor_get(x_175, 0);
-x_185 = lean_ctor_get(x_175, 1);
-lean_inc(x_185);
-lean_inc(x_184);
-lean_dec(x_175);
-x_186 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_186, 0, x_184);
-lean_ctor_set(x_186, 1, x_185);
-return x_186;
-}
-}
-}
-else
-{
-lean_object* x_187; uint8_t x_188; 
-lean_dec(x_172);
-x_187 = lean_ctor_get(x_174, 0);
-lean_inc(x_187);
+uint8_t x_185; 
 lean_dec(x_174);
-x_188 = !lean_is_exclusive(x_9);
-if (x_188 == 0)
+x_185 = !lean_is_exclusive(x_177);
+if (x_185 == 0)
 {
-lean_object* x_189; lean_object* x_190; 
-x_189 = lean_ctor_get(x_9, 3);
-x_190 = l_Lean_replaceRef(x_187, x_189);
+return x_177;
+}
+else
+{
+lean_object* x_186; lean_object* x_187; lean_object* x_188; 
+x_186 = lean_ctor_get(x_177, 0);
+x_187 = lean_ctor_get(x_177, 1);
+lean_inc(x_187);
+lean_inc(x_186);
+lean_dec(x_177);
+x_188 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_188, 0, x_186);
+lean_ctor_set(x_188, 1, x_187);
+return x_188;
+}
+}
+}
+else
+{
+lean_object* x_189; uint8_t x_190; 
+lean_dec(x_174);
+x_189 = lean_ctor_get(x_176, 0);
+lean_inc(x_189);
+lean_dec(x_176);
+x_190 = !lean_is_exclusive(x_10);
+if (x_190 == 0)
+{
+lean_object* x_191; lean_object* x_192; 
+x_191 = lean_ctor_get(x_10, 3);
+x_192 = l_Lean_replaceRef(x_189, x_191);
+lean_dec(x_191);
 lean_dec(x_189);
-lean_dec(x_187);
-lean_ctor_set(x_9, 3, x_190);
-x_4 = x_173;
+lean_ctor_set(x_10, 3, x_192);
+x_5 = x_175;
 goto _start;
 }
 else
 {
-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; 
-x_192 = lean_ctor_get(x_9, 0);
-x_193 = lean_ctor_get(x_9, 1);
-x_194 = lean_ctor_get(x_9, 2);
-x_195 = lean_ctor_get(x_9, 3);
-x_196 = lean_ctor_get(x_9, 4);
-x_197 = lean_ctor_get(x_9, 5);
-x_198 = lean_ctor_get(x_9, 6);
-x_199 = lean_ctor_get(x_9, 7);
+lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+x_194 = lean_ctor_get(x_10, 0);
+x_195 = lean_ctor_get(x_10, 1);
+x_196 = lean_ctor_get(x_10, 2);
+x_197 = lean_ctor_get(x_10, 3);
+x_198 = lean_ctor_get(x_10, 4);
+x_199 = lean_ctor_get(x_10, 5);
+x_200 = lean_ctor_get(x_10, 6);
+x_201 = lean_ctor_get(x_10, 7);
+lean_inc(x_201);
+lean_inc(x_200);
 lean_inc(x_199);
 lean_inc(x_198);
 lean_inc(x_197);
 lean_inc(x_196);
 lean_inc(x_195);
 lean_inc(x_194);
-lean_inc(x_193);
-lean_inc(x_192);
-lean_dec(x_9);
-x_200 = l_Lean_replaceRef(x_187, x_195);
-lean_dec(x_195);
-lean_dec(x_187);
-x_201 = lean_alloc_ctor(0, 8, 0);
-lean_ctor_set(x_201, 0, x_192);
-lean_ctor_set(x_201, 1, x_193);
-lean_ctor_set(x_201, 2, x_194);
-lean_ctor_set(x_201, 3, x_200);
-lean_ctor_set(x_201, 4, x_196);
-lean_ctor_set(x_201, 5, x_197);
-lean_ctor_set(x_201, 6, x_198);
-lean_ctor_set(x_201, 7, x_199);
-x_4 = x_173;
-x_9 = x_201;
+lean_dec(x_10);
+x_202 = l_Lean_replaceRef(x_189, x_197);
+lean_dec(x_197);
+lean_dec(x_189);
+x_203 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_203, 0, x_194);
+lean_ctor_set(x_203, 1, x_195);
+lean_ctor_set(x_203, 2, x_196);
+lean_ctor_set(x_203, 3, x_202);
+lean_ctor_set(x_203, 4, x_198);
+lean_ctor_set(x_203, 5, x_199);
+lean_ctor_set(x_203, 6, x_200);
+lean_ctor_set(x_203, 7, x_201);
+x_5 = x_175;
+x_10 = x_203;
 goto _start;
 }
 }
 }
 case 11:
 {
-lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; 
-x_203 = lean_ctor_get(x_4, 0);
-lean_inc(x_203);
-x_204 = lean_ctor_get(x_4, 1);
-lean_inc(x_204);
-x_205 = lean_ctor_get(x_4, 2);
+lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; 
+x_205 = lean_ctor_get(x_5, 0);
 lean_inc(x_205);
-lean_dec(x_4);
-x_206 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_205, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_206) == 0)
+x_206 = lean_ctor_get(x_5, 1);
+lean_inc(x_206);
+x_207 = lean_ctor_get(x_5, 2);
+lean_inc(x_207);
+lean_dec(x_5);
+x_208 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_207, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_208) == 0)
 {
-uint8_t x_207; 
-x_207 = !lean_is_exclusive(x_206);
-if (x_207 == 0)
+uint8_t x_209; 
+x_209 = !lean_is_exclusive(x_208);
+if (x_209 == 0)
 {
-lean_object* x_208; lean_object* x_209; 
-x_208 = lean_ctor_get(x_206, 0);
-x_209 = l_Lean_mkProj(x_203, x_204, x_208);
-lean_ctor_set(x_206, 0, x_209);
-return x_206;
+lean_object* x_210; lean_object* x_211; 
+x_210 = lean_ctor_get(x_208, 0);
+x_211 = l_Lean_mkProj(x_205, x_206, x_210);
+lean_ctor_set(x_208, 0, x_211);
+return x_208;
 }
 else
 {
-lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; 
-x_210 = lean_ctor_get(x_206, 0);
-x_211 = lean_ctor_get(x_206, 1);
-lean_inc(x_211);
-lean_inc(x_210);
+lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; 
+x_212 = lean_ctor_get(x_208, 0);
+x_213 = lean_ctor_get(x_208, 1);
+lean_inc(x_213);
+lean_inc(x_212);
+lean_dec(x_208);
+x_214 = l_Lean_mkProj(x_205, x_206, x_212);
+x_215 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_215, 0, x_214);
+lean_ctor_set(x_215, 1, x_213);
+return x_215;
+}
+}
+else
+{
+uint8_t x_216; 
 lean_dec(x_206);
-x_212 = l_Lean_mkProj(x_203, x_204, x_210);
-x_213 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_213, 0, x_212);
-lean_ctor_set(x_213, 1, x_211);
-return x_213;
-}
+lean_dec(x_205);
+x_216 = !lean_is_exclusive(x_208);
+if (x_216 == 0)
+{
+return x_208;
 }
 else
 {
-uint8_t x_214; 
-lean_dec(x_204);
-lean_dec(x_203);
-x_214 = !lean_is_exclusive(x_206);
-if (x_214 == 0)
-{
-return x_206;
-}
-else
-{
-lean_object* x_215; lean_object* x_216; lean_object* x_217; 
-x_215 = lean_ctor_get(x_206, 0);
-x_216 = lean_ctor_get(x_206, 1);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_dec(x_206);
-x_217 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_217, 0, x_215);
-lean_ctor_set(x_217, 1, x_216);
-return x_217;
+lean_object* x_217; lean_object* x_218; lean_object* x_219; 
+x_217 = lean_ctor_get(x_208, 0);
+x_218 = lean_ctor_get(x_208, 1);
+lean_inc(x_218);
+lean_inc(x_217);
+lean_dec(x_208);
+x_219 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_219, 0, x_217);
+lean_ctor_set(x_219, 1, x_218);
+return x_219;
 }
 }
 }
 default: 
 {
-lean_object* x_218; 
+lean_object* x_220; 
+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_218 = l_Lean_Elab_ensureNoRecFn(x_1, x_4, x_7, x_8, x_9, x_10, x_11);
-return x_218;
+x_220 = l_Lean_Elab_ensureNoRecFn(x_1, x_5, x_8, x_9, x_10, x_11, x_12);
+return x_220;
 }
 }
 }
@@ -4646,156 +4720,156 @@ lean_dec(x_2);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
+size_t x_15; size_t x_16; lean_object* x_17; 
 x_15 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___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_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___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_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___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_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10___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_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_16 = lean_unbox_usize(x_6);
 lean_dec(x_6);
-lean_dec(x_1);
-return x_14;
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, 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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___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_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___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_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___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_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10___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_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__10(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 lean_object* x_15; 
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_7);
 lean_dec(x_1);
 return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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, 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:
 {
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_object* x_16; 
+x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_1);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14___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_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___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_object* x_13, lean_object* x_14) {
 _start:
 {
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_4);
-lean_dec(x_4);
+size_t x_15; size_t x_16; lean_object* x_17; 
 x_15 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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, 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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14___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_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(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) {
 _start:
 {
 lean_object* x_13; 
-x_13 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_1);
+x_13 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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) {
-_start:
-{
-lean_object* x_13; 
-x_13 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_1);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; 
-x_13 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_1);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-return x_12;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___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:
 {
@@ -5122,7 +5196,7 @@ static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Ela
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Sum");
+x_1 = lean_mk_string("PSum");
 return x_1;
 }
 }
@@ -5390,7 +5464,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_44);
-x_70 = l_Lean_Meta_getDecLevel(x_44, x_7, x_8, x_9, x_10, x_69);
+x_70 = l_Lean_Meta_getLevel(x_44, x_7, x_8, x_9, x_10, x_69);
 if (lean_obj_tag(x_70) == 0)
 {
 lean_object* x_71; lean_object* x_72; lean_object* x_73; 
@@ -5400,7 +5474,7 @@ x_72 = lean_ctor_get(x_70, 1);
 lean_inc(x_72);
 lean_dec(x_70);
 lean_inc(x_45);
-x_73 = l_Lean_Meta_getDecLevel(x_45, x_7, x_8, x_9, x_10, x_72);
+x_73 = l_Lean_Meta_getLevel(x_45, x_7, x_8, x_9, x_10, x_72);
 if (lean_obj_tag(x_73) == 0)
 {
 uint8_t x_74; 
@@ -7483,163 +7557,287 @@ return x_68;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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) {
 _start:
 {
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps), 11, 2);
-lean_closure_set(x_13, 0, x_1);
-lean_closure_set(x_13, 1, x_2);
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(x_3, x_4, x_5, x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
-_start:
-{
-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; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = l_Lean_instInhabitedExpr;
-x_20 = lean_unsigned_to_nat(0u);
-x_21 = lean_array_get(x_19, x_10, x_20);
-x_22 = lean_unsigned_to_nat(1u);
-x_23 = lean_array_get(x_19, x_10, x_22);
-x_24 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-lean_inc(x_21);
-x_25 = lean_array_push(x_24, x_21);
-x_26 = 0;
-x_27 = l_Lean_Expr_betaRev(x_1, x_25, x_26);
-lean_dec(x_25);
-lean_inc(x_2);
-x_28 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__2), 12, 2);
-lean_closure_set(x_28, 0, x_2);
-lean_closure_set(x_28, 1, x_3);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_inc(x_15);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_1, 3);
 lean_inc(x_14);
-lean_inc(x_23);
-lean_inc(x_21);
-x_29 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn(x_21, x_23, x_27, x_28, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
-if (lean_obj_tag(x_29) == 0)
+lean_dec(x_1);
+x_15 = lean_array_get_size(x_2);
+x_16 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps), 12, 3);
+lean_closure_set(x_16, 0, x_14);
+lean_closure_set(x_16, 1, x_15);
+lean_closure_set(x_16, 2, x_3);
+x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(x_4, x_5, x_6, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-lean_dec(x_29);
-x_32 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1;
-x_33 = lean_array_push(x_32, x_21);
-x_34 = lean_array_push(x_33, x_23);
-x_35 = 1;
-x_36 = l_Lean_Meta_mkLambdaFVars(x_34, x_30, x_26, x_35, x_14, x_15, x_16, x_17, x_31);
+lean_object* x_16; lean_object* x_17; 
+lean_inc(x_2);
+x_16 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__2___boxed), 13, 3);
+lean_closure_set(x_16, 0, x_1);
+lean_closure_set(x_16, 1, x_2);
+lean_closure_set(x_16, 2, x_3);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_5);
+lean_inc(x_4);
+x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn(x_4, x_5, x_6, x_16, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; uint8_t x_24; lean_object* x_25; 
+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);
-lean_dec(x_16);
-lean_dec(x_15);
-if (lean_obj_tag(x_36) == 0)
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1;
+x_21 = lean_array_push(x_20, x_4);
+x_22 = lean_array_push(x_21, x_5);
+x_23 = 0;
+x_24 = 1;
+lean_inc(x_11);
+x_25 = l_Lean_Meta_mkLambdaFVars(x_22, x_18, x_23, x_24, x_11, x_12, x_13, x_14, x_19);
+if (lean_obj_tag(x_25) == 0)
 {
-uint8_t x_37; 
-x_37 = !lean_is_exclusive(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_36, 0);
-x_39 = l_Lean_mkApp(x_4, x_38);
-x_40 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_40, 0, x_5);
-lean_ctor_set(x_40, 1, x_7);
-lean_ctor_set(x_40, 2, x_8);
-lean_ctor_set(x_40, 3, x_2);
-lean_ctor_set(x_40, 4, x_9);
-lean_ctor_set(x_40, 5, x_39);
-lean_ctor_set_uint8(x_40, sizeof(void*)*6, x_6);
-lean_ctor_set(x_36, 0, x_40);
-return x_36;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_41 = lean_ctor_get(x_36, 0);
-x_42 = lean_ctor_get(x_36, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_36);
-x_43 = l_Lean_mkApp(x_4, x_41);
-x_44 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_44, 0, x_5);
-lean_ctor_set(x_44, 1, x_7);
-lean_ctor_set(x_44, 2, x_8);
-lean_ctor_set(x_44, 3, x_2);
-lean_ctor_set(x_44, 4, x_9);
-lean_ctor_set(x_44, 5, x_43);
-lean_ctor_set_uint8(x_44, sizeof(void*)*6, x_6);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_42);
-return x_45;
-}
-}
-else
-{
-uint8_t x_46; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_46 = !lean_is_exclusive(x_36);
-if (x_46 == 0)
-{
-return x_36;
-}
-else
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_36, 0);
-x_48 = lean_ctor_get(x_36, 1);
-lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_36);
-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_23);
-lean_dec(x_21);
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_mkApp(x_7, x_26);
+x_29 = l_Lean_Meta_mkLambdaFVars(x_2, x_28, x_23, x_24, x_11, x_12, x_13, x_14, x_27);
 lean_dec(x_14);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_50 = !lean_is_exclusive(x_29);
-if (x_50 == 0)
-{
+lean_dec(x_13);
+lean_dec(x_12);
 return x_29;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_29, 0);
-x_52 = lean_ctor_get(x_29, 1);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_29);
-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;
+uint8_t x_30; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_7);
+lean_dec(x_2);
+x_30 = !lean_is_exclusive(x_25);
+if (x_30 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_25, 0);
+x_32 = lean_ctor_get(x_25, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_25);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+}
+else
+{
+uint8_t x_34; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_34 = !lean_is_exclusive(x_17);
+if (x_34 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_17, 0);
+x_36 = lean_ctor_get(x_17, 1);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_17);
+x_37 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Elab");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_WF_mkFix___lambda__4___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("definition");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_WF_mkFix___lambda__4___closed__2;
+x_2 = l_Lean_Elab_WF_mkFix___lambda__4___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("wf");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_WF_mkFix___lambda__4___closed__4;
+x_2 = l_Lean_Elab_WF_mkFix___lambda__4___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(">> val: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_WF_mkFix___lambda__4___closed__7;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+lean_dec(x_6);
+x_14 = l_Lean_instInhabitedExpr;
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = lean_array_get(x_14, x_5, x_15);
+x_17 = lean_unsigned_to_nat(1u);
+x_18 = lean_array_get(x_14, x_5, x_17);
+lean_dec(x_5);
+x_19 = lean_ctor_get(x_1, 5);
+lean_inc(x_19);
+lean_inc(x_16);
+lean_inc(x_2);
+x_20 = lean_array_push(x_2, x_16);
+x_21 = l_Lean_Expr_beta(x_19, x_20);
+x_22 = l_Lean_Elab_WF_mkFix___lambda__4___closed__6;
+x_37 = lean_st_ref_get(x_12, x_13);
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_38, 3);
+lean_inc(x_39);
+lean_dec(x_38);
+x_40 = lean_ctor_get_uint8(x_39, sizeof(void*)*1);
+lean_dec(x_39);
+if (x_40 == 0)
+{
+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 = 0;
+x_23 = x_42;
+x_24 = x_41;
+goto block_36;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_43 = lean_ctor_get(x_37, 1);
+lean_inc(x_43);
+lean_dec(x_37);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_43);
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 1);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_unbox(x_45);
+lean_dec(x_45);
+x_23 = x_47;
+x_24 = x_46;
+goto block_36;
+}
+block_36:
+{
+if (x_23 == 0)
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_box(0);
+x_26 = l_Lean_Elab_WF_mkFix___lambda__3(x_1, x_2, x_3, x_16, x_18, x_21, x_4, x_25, x_7, x_8, x_9, x_10, x_11, x_12, x_24);
+return x_26;
+}
+else
+{
+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_inc(x_21);
+x_27 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_27, 0, x_21);
+x_28 = l_Lean_Elab_WF_mkFix___lambda__4___closed__8;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_27);
+x_30 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__13___lambda__2___closed__6;
+x_31 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_22, x_31, x_7, x_8, x_9, x_10, x_11, x_12, x_24);
+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_Elab_WF_mkFix___lambda__3(x_1, x_2, x_3, x_16, x_18, x_21, x_4, x_33, x_7, x_8, x_9, x_10, x_11, x_12, x_34);
+lean_dec(x_33);
+return x_35;
 }
 }
 }
@@ -7664,194 +7862,210 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix(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_Elab_WF_mkFix(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_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_11 = lean_ctor_get(x_1, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get_uint8(x_1, sizeof(void*)*6);
-x_13 = lean_ctor_get(x_1, 1);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_1, 2);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_1, 3);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_1, 4);
+lean_inc(x_12);
+x_13 = lean_unsigned_to_nat(0u);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_14 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_2, x_13, x_12, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_1, 4);
+x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_1, 5);
-lean_inc(x_17);
-lean_dec(x_1);
-x_18 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__1___boxed), 10, 1);
-lean_closure_set(x_18, 0, x_2);
-x_19 = l_Lean_Elab_WF_mkFix___closed__1;
+lean_dec(x_14);
+x_17 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__1___boxed), 10, 1);
+lean_closure_set(x_17, 0, x_3);
+x_18 = l_Lean_Elab_WF_mkFix___closed__1;
+lean_inc(x_10);
 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_16);
-x_20 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_16, x_19, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_20) == 0)
+x_19 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_15, x_18, x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_16);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_20, 0);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
+lean_dec(x_19);
+lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_21);
-x_23 = lean_infer_type(x_21, x_6, x_7, x_8, x_9, x_22);
-if (lean_obj_tag(x_23) == 0)
+lean_inc(x_20);
+x_22 = lean_infer_type(x_20, x_7, x_8, x_9, x_10, x_21);
+if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
+lean_dec(x_22);
+lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-lean_inc(x_6);
-x_26 = lean_whnf(x_24, x_6, x_7, x_8, x_9, x_25);
-if (lean_obj_tag(x_26) == 0)
+x_25 = lean_whnf(x_23, x_7, x_8, x_9, x_10, x_24);
+if (lean_obj_tag(x_25) == 0)
 {
-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_27 = lean_ctor_get(x_26, 0);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_bindingDomain_x21(x_26);
 lean_dec(x_26);
-x_29 = l_Lean_Expr_bindingDomain_x21(x_27);
-lean_dec(x_27);
-x_30 = lean_box(x_12);
-x_31 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__3___boxed), 18, 9);
-lean_closure_set(x_31, 0, x_17);
-lean_closure_set(x_31, 1, x_15);
-lean_closure_set(x_31, 2, x_3);
-lean_closure_set(x_31, 3, x_21);
-lean_closure_set(x_31, 4, x_11);
-lean_closure_set(x_31, 5, x_30);
-lean_closure_set(x_31, 6, x_13);
-lean_closure_set(x_31, 7, x_14);
-lean_closure_set(x_31, 8, x_16);
-x_32 = l_Lean_Elab_WF_mkFix___closed__2;
-x_33 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_29, x_32, x_31, x_4, x_5, x_6, x_7, x_8, x_9, x_28);
-return x_33;
+x_29 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkFix___lambda__4), 13, 4);
+lean_closure_set(x_29, 0, x_1);
+lean_closure_set(x_29, 1, x_2);
+lean_closure_set(x_29, 2, x_4);
+lean_closure_set(x_29, 3, x_20);
+x_30 = l_Lean_Elab_WF_mkFix___closed__2;
+x_31 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(x_28, x_30, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_27);
+return x_31;
 }
 else
 {
-uint8_t x_34; 
-lean_dec(x_21);
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_11);
-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);
-x_34 = !lean_is_exclusive(x_26);
-if (x_34 == 0)
-{
-return x_26;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_26, 0);
-x_36 = lean_ctor_get(x_26, 1);
-lean_inc(x_36);
-lean_inc(x_35);
-lean_dec(x_26);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-lean_dec(x_21);
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_11);
-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);
-x_38 = !lean_is_exclusive(x_23);
-if (x_38 == 0)
-{
-return x_23;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_23, 0);
-x_40 = lean_ctor_get(x_23, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_23);
-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
-{
-uint8_t x_42; 
-lean_dec(x_17);
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_11);
-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);
-x_42 = !lean_is_exclusive(x_20);
-if (x_42 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_20, 0);
-x_44 = lean_ctor_get(x_20, 1);
-lean_inc(x_44);
-lean_inc(x_43);
+uint8_t x_32; 
 lean_dec(x_20);
-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;
+lean_dec(x_10);
+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_2);
+lean_dec(x_1);
+x_32 = !lean_is_exclusive(x_25);
+if (x_32 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_25, 0);
+x_34 = lean_ctor_get(x_25, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_25);
+x_35 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+return x_35;
+}
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_20);
+lean_dec(x_10);
+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_2);
+lean_dec(x_1);
+x_36 = !lean_is_exclusive(x_22);
+if (x_36 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_22, 0);
+x_38 = lean_ctor_get(x_22, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_22);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+}
+else
+{
+uint8_t x_40; 
+lean_dec(x_10);
+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_2);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_19);
+if (x_40 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_19, 0);
+x_42 = lean_ctor_get(x_19, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_19);
+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_10);
+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_44 = !lean_is_exclusive(x_14);
+if (x_44 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_14);
+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;
 }
 }
 }
@@ -7867,34 +8081,22 @@ lean_dec(x_2);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3___boxed(lean_object** _args) {
-lean_object* x_1 = _args[0];
-lean_object* x_2 = _args[1];
-lean_object* x_3 = _args[2];
-lean_object* x_4 = _args[3];
-lean_object* x_5 = _args[4];
-lean_object* x_6 = _args[5];
-lean_object* x_7 = _args[6];
-lean_object* x_8 = _args[7];
-lean_object* x_9 = _args[8];
-lean_object* x_10 = _args[9];
-lean_object* x_11 = _args[10];
-lean_object* x_12 = _args[11];
-lean_object* x_13 = _args[12];
-lean_object* x_14 = _args[13];
-lean_object* x_15 = _args[14];
-lean_object* x_16 = _args[15];
-lean_object* x_17 = _args[16];
-lean_object* x_18 = _args[17];
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-uint8_t x_19; lean_object* x_20; 
-x_19 = lean_unbox(x_6);
-lean_dec(x_6);
-x_20 = l_Lean_Elab_WF_mkFix___lambda__3(x_1, x_2, x_3, x_4, x_5, x_19, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
-lean_dec(x_11);
-lean_dec(x_10);
-return x_20;
+lean_object* x_14; 
+x_14 = l_Lean_Elab_WF_mkFix___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_2);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___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_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+lean_object* x_16; 
+x_16 = l_Lean_Elab_WF_mkFix___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_8);
+return x_16;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
@@ -8026,6 +8228,22 @@ l_Lean_Elab_WF_mkFix___lambda__1___closed__5 = _init_l_Lean_Elab_WF_mkFix___lamb
 lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__1___closed__5);
 l_Lean_Elab_WF_mkFix___lambda__1___closed__6 = _init_l_Lean_Elab_WF_mkFix___lambda__1___closed__6();
 lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__1___closed__6);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__1 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__1();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__1);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__2 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__2();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__2);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__3 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__3();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__3);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__4 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__4();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__4);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__5 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__5();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__5);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__6 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__6();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__6);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__7 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__7();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__7);
+l_Lean_Elab_WF_mkFix___lambda__4___closed__8 = _init_l_Lean_Elab_WF_mkFix___lambda__4___closed__8();
+lean_mark_persistent(l_Lean_Elab_WF_mkFix___lambda__4___closed__8);
 l_Lean_Elab_WF_mkFix___closed__1 = _init_l_Lean_Elab_WF_mkFix___closed__1();
 lean_mark_persistent(l_Lean_Elab_WF_mkFix___closed__1);
 l_Lean_Elab_WF_mkFix___closed__2 = _init_l_Lean_Elab_WF_mkFix___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
index 8a2a0dcb11..45dae83f4c 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
@@ -16,195 +16,261 @@ extern "C" {
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__2(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_wfRecursion___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_stringToMessageData(lean_object*);
 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*);
 lean_object* l_Lean_mkSort(lean_object*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__12;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
+uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
+lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
+lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(size_t, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, 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__3;
 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_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*);
-static lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1;
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5;
-static lean_object* l_Lean_Elab_wfRecursion___closed__4;
-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_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*);
+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;
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10;
+uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
+lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
+lean_object* l_Array_toSubarray___rarg(lean_object*, 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_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2(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_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_object* l_Lean_Elab_WF_packMutual(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_eraseRecAppSyntax(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_instInhabitedTermElabM(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_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*);
+lean_object* l_Lean_Elab_WF_packMutual(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope(lean_object*);
+lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1(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__2;
 uint8_t lean_usize_dec_lt(size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__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*);
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, 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__1;
 extern lean_object* l_Lean_levelZero;
 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;
-static lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2;
-static lean_object* l_Lean_Elab_wfRecursion___closed__3;
+lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 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;
 lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_addAndCompileUnsafe___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_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__2(lean_object*, lean_object*, size_t, size_t, 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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___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*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(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_st_ref_take(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(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(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_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___closed__1;
 lean_object* l_Lean_Elab_WF_mkUnaryArg_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, 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__9;
+lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___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___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___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_Elab_WF_registerEqnsInfo(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_998_(lean_object*);
+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_1950_(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;
+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*);
 lean_object* l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(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_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;
 extern lean_object* l_Lean_instInhabitedExpr;
-static lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3;
 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*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__6;
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4;
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9;
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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*);
-lean_object* l_Lean_Elab_WF_elabWFRel(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_withCommonTelescope_go___spec__3(lean_object*, size_t, size_t);
+static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5;
+lean_object* l_Lean_Core_transform___at_Lean_Core_betaReduce___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1(lean_object*, lean_object*, size_t, size_t);
+lean_object* l_Lean_Elab_WF_elabWFRel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Elab_addAndCompilePartialRec(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_addNonRecPreDefs_mkSum(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_isLambda(lean_object*);
 lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(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_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_Meta_MatcherApp_addArg___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___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*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__2___boxed(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__5;
-static lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(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_addNonRecPreDefs(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_addNonRecPreDefs(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__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_object* l_Lean_mkApp(lean_object*, lean_object*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_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__2___closed__1;
-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_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;
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+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*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8;
+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*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
 lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+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;
-lean_object* lean_panic_fn(lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_wfRecursion___lambda__2___closed__1;
+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*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1;
+lean_object* l_Lean_Meta_forEachExpr_x27(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__1;
+static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4;
 lean_object* lean_mk_array(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, 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__4;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___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*);
-static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7;
+uint8_t l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_356_(uint8_t, uint8_t);
+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_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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*, 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*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___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_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
 lean_object* l_panic___at_Lean_Meta_whnfCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, 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* 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;
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_withCommonTelescope___rarg___closed__1;
 lean_object* l_Lean_mkApp3(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__2;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__1;
-lean_object* l_Lean_Elab_WF_packDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_WF_packDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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:
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+x_9 = lean_array_get_size(x_2);
+x_10 = lean_unsigned_to_nat(1u);
+x_11 = lean_nat_add(x_1, x_10);
+x_12 = lean_nat_dec_eq(x_9, x_11);
+lean_dec(x_11);
+lean_dec(x_9);
+x_13 = lean_box(x_12);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_8);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(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; uint8_t x_10; 
 x_8 = lean_array_get_size(x_1);
 x_9 = lean_unsigned_to_nat(1u);
 x_10 = lean_nat_dec_eq(x_8, x_9);
 lean_dec(x_8);
-x_11 = lean_box(x_10);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_7);
-return x_12;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1() {
-_start:
+if (x_10 == 0)
 {
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1___boxed), 7, 0);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(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 = lean_array_get_size(x_1);
-x_8 = lean_unsigned_to_nat(1u);
-x_9 = lean_nat_dec_eq(x_7, x_8);
-lean_dec(x_7);
-if (x_9 == 0)
-{
-uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+uint8_t x_11; lean_object* x_12; lean_object* x_13; 
+lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_10 = 0;
-x_11 = lean_box(x_10);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_6);
-return x_12;
+x_11 = 0;
+x_12 = lean_box(x_11);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_7);
+return x_13;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_13 = l_Lean_Elab_instInhabitedPreDefinition;
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_get(x_13, x_1, x_14);
-x_16 = lean_ctor_get(x_15, 5);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1;
-x_18 = l_Lean_Meta_lambdaTelescope___at_Lean_Meta_MatcherApp_addArg___spec__2___rarg(x_16, x_17, x_2, x_3, x_4, x_5, x_6);
-return x_18;
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_14 = l_Lean_Elab_instInhabitedPreDefinition;
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = lean_array_get(x_14, x_1, x_15);
+x_17 = lean_ctor_get(x_16, 5);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1___boxed), 8, 1);
+lean_closure_set(x_18, 0, x_2);
+x_19 = l_Lean_Meta_lambdaTelescope___at_Lean_Meta_MatcherApp_addArg___spec__2___rarg(x_17, x_18, x_3, x_4, x_5, x_6, x_7);
+return x_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_object* x_9; 
+x_9 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, 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_8;
+return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___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_7; 
-x_7 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_object* x_8; 
+x_8 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_1);
-return x_7;
+return x_8;
 }
 }
 static lean_object* _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__1() {
@@ -266,7 +332,7 @@ static lean_object* _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDef
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Sum");
+x_1 = lean_mk_string("PSum");
 return x_1;
 }
 }
@@ -613,91 +679,185 @@ lean_dec(x_1);
 return x_11;
 }
 }
-static lean_object* _init_l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Elab_Term_instInhabitedTermElabM(lean_box(0));
+x_1 = lean_mk_string("_private.Lean.Elab.PreDefinition.WF.Main.0.Lean.Elab.addNonRecPreDefs");
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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) {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2() {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1;
-x_10 = lean_panic_fn(x_9, x_1);
-x_11 = lean_apply_7(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-return x_11;
+lean_object* x_1; 
+x_1 = lean_mk_string("unreachable code has been reached");
+return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__3() {
 _start:
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_unsigned_to_nat(0u);
+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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__4;
+x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__1;
+x_3 = lean_unsigned_to_nat(45u);
+x_4 = lean_unsigned_to_nat(102u);
+x_5 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2;
+x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
+return x_6;
+}
+}
+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* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_15 = lean_array_get_size(x_6);
+lean_inc(x_1);
 lean_inc(x_6);
-x_16 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkUnaryArg_go___boxed), 8, 2);
-lean_closure_set(x_16, 0, x_6);
-lean_closure_set(x_16, 1, x_15);
+x_16 = l_Array_toSubarray___rarg(x_6, x_1, x_15);
+x_17 = l_Array_ofSubarray___rarg(x_16);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_alloc_closure((void*)(l_Lean_Elab_WF_mkUnaryArg_go___boxed), 8, 2);
+lean_closure_set(x_19, 0, x_17);
+lean_closure_set(x_19, 1, x_18);
+x_20 = lean_ctor_get(x_2, 4);
+lean_inc(x_20);
+lean_inc(x_6);
+x_21 = l_Array_toSubarray___rarg(x_6, x_18, x_1);
+x_22 = l_Array_ofSubarray___rarg(x_21);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_17 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum(x_1, x_2, x_16, x_15, x_3, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_17) == 0)
+x_23 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_22, x_18, x_20, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; uint8_t x_24; lean_object* x_25; 
-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_4, 3);
-lean_inc(x_20);
-lean_dec(x_4);
-x_21 = l_Lean_mkConst(x_20, x_5);
-x_22 = l_Lean_mkApp(x_21, x_18);
-x_23 = 0;
-x_24 = 1;
-x_25 = l_Lean_Meta_mkLambdaFVars(x_6, x_22, x_23, x_24, x_10, x_11, x_12, x_13, x_19);
+lean_object* x_24; 
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+if (lean_obj_tag(x_24) == 7)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+lean_dec(x_9);
+lean_dec(x_8);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_27 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum(x_3, x_4, x_19, x_18, x_26, x_10, x_11, x_12, x_13, x_25);
+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; uint8_t x_34; uint8_t x_35; lean_object* x_36; 
+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 = lean_ctor_get(x_2, 3);
+lean_inc(x_30);
+lean_dec(x_2);
+x_31 = l_Lean_mkConst(x_30, x_5);
+x_32 = l_Lean_mkAppN(x_31, x_22);
+x_33 = l_Lean_mkApp(x_32, x_28);
+x_34 = 0;
+x_35 = 1;
+x_36 = l_Lean_Meta_mkLambdaFVars(x_6, x_33, x_34, x_35, x_10, x_11, x_12, x_13, x_29);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
-return x_25;
+return x_36;
 }
 else
 {
-uint8_t x_26; 
+uint8_t x_37; 
+lean_dec(x_22);
 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);
-x_26 = !lean_is_exclusive(x_17);
-if (x_26 == 0)
+lean_dec(x_2);
+x_37 = !lean_is_exclusive(x_27);
+if (x_37 == 0)
 {
-return x_17;
+return x_27;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_17, 0);
-x_28 = lean_ctor_get(x_17, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_17);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_27, 0);
+x_39 = lean_ctor_get(x_27, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_27);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+lean_dec(x_24);
+lean_dec(x_22);
+lean_dec(x_19);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+x_41 = lean_ctor_get(x_23, 1);
+lean_inc(x_41);
+lean_dec(x_23);
+x_42 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__3;
+x_43 = l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1(x_42, x_8, x_9, x_10, x_11, x_12, x_13, x_41);
+return x_43;
+}
+}
+else
+{
+uint8_t x_44; 
+lean_dec(x_22);
+lean_dec(x_19);
+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_6);
+lean_dec(x_5);
+lean_dec(x_2);
+x_44 = !lean_is_exclusive(x_23);
+if (x_44 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_23, 0);
+x_46 = lean_ctor_get(x_23, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_23);
+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;
 }
 }
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -707,7 +867,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2(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, 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_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* 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, 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_16; uint8_t x_17; lean_object* x_18; 
@@ -730,7 +890,7 @@ if (x_19 == 0)
 lean_object* x_20; lean_object* x_21; 
 x_20 = lean_ctor_get(x_18, 0);
 lean_dec(x_20);
-x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1;
+x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1;
 lean_ctor_set(x_18, 0, x_21);
 return x_18;
 }
@@ -740,7 +900,7 @@ lean_object* x_22; lean_object* x_23; lean_object* x_24;
 x_22 = lean_ctor_get(x_18, 1);
 lean_inc(x_22);
 lean_dec(x_18);
-x_23 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1;
+x_23 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1;
 x_24 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_24, 0, x_23);
 lean_ctor_set(x_24, 1, x_22);
@@ -771,7 +931,7 @@ return x_28;
 }
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__1() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -779,17 +939,17 @@ x_1 = lean_mk_string("Elab");
 return x_1;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__1;
+x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -797,17 +957,17 @@ x_1 = lean_mk_string("definition");
 return x_1;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2;
-x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3;
+x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2;
+x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -815,17 +975,17 @@ x_1 = lean_mk_string("wf");
 return x_1;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4;
-x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5;
+x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4;
+x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7() {
 _start:
 {
 lean_object* x_1; 
@@ -833,16 +993,16 @@ x_1 = lean_mk_string("");
 return x_1;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7;
+x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__9() {
 _start:
 {
 lean_object* x_1; 
@@ -850,16 +1010,16 @@ x_1 = lean_mk_string(" := ");
 return x_1;
 }
 }
-static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10() {
+static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9;
+x_1 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__9;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__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_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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, 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) {
 _start:
 {
 uint8_t x_17; 
@@ -893,15 +1053,15 @@ x_30 = lean_ctor_get(x_23, 5);
 lean_inc(x_30);
 lean_dec(x_23);
 lean_inc(x_4);
-lean_inc(x_2);
-lean_inc(x_3);
 lean_inc(x_6);
 lean_inc(x_1);
-x_31 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__1___boxed), 14, 5);
-lean_closure_set(x_31, 0, x_1);
-lean_closure_set(x_31, 1, x_6);
-lean_closure_set(x_31, 2, x_3);
-lean_closure_set(x_31, 3, x_2);
+lean_inc(x_2);
+lean_inc(x_3);
+x_31 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___boxed), 14, 5);
+lean_closure_set(x_31, 0, x_3);
+lean_closure_set(x_31, 1, x_2);
+lean_closure_set(x_31, 2, x_1);
+lean_closure_set(x_31, 3, x_6);
 lean_closure_set(x_31, 4, x_4);
 lean_inc(x_15);
 lean_inc(x_14);
@@ -918,7 +1078,7 @@ lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
 lean_inc(x_34);
 lean_dec(x_32);
-x_35 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6;
+x_35 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
 x_83 = lean_st_ref_get(x_15, x_34);
 x_84 = lean_ctor_get(x_83, 0);
 lean_inc(x_84);
@@ -968,7 +1128,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_39 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2(x_24, x_25, x_26, x_27, x_28, x_29, x_33, x_38, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
+x_39 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2(x_24, x_25, x_26, x_27, x_28, x_29, x_33, x_38, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
 if (lean_obj_tag(x_39) == 0)
 {
 lean_object* x_40; 
@@ -1075,11 +1235,11 @@ lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean
 lean_inc(x_28);
 x_55 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_55, 0, x_28);
-x_56 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8;
+x_56 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
 x_57 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_57, 0, x_56);
 lean_ctor_set(x_57, 1, x_55);
-x_58 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10;
+x_58 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10;
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
@@ -1104,7 +1264,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_66 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2(x_24, x_25, x_26, x_27, x_28, x_29, x_33, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_65);
+x_66 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2(x_24, x_25, x_26, x_27, x_28, x_29, x_33, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_65);
 lean_dec(x_64);
 if (lean_obj_tag(x_66) == 0)
 {
@@ -1291,245 +1451,2403 @@ return x_99;
 }
 }
 }
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1() {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("_private.Lean.Elab.PreDefinition.WF.Main.0.Lean.Elab.addNonRecPreDefs");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2() {
-_start:
+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_12 = lean_ctor_get(x_1, 1);
+lean_inc(x_12);
+x_13 = lean_box(0);
+x_14 = l_List_mapTRAux___at_Lean_mkConstWithLevelParams___spec__1(x_12, x_13);
+x_15 = lean_array_get_size(x_2);
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = lean_unsigned_to_nat(1u);
+x_18 = lean_box(0);
+lean_inc(x_15);
+x_19 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1(x_2, x_1, x_3, x_14, x_15, x_16, x_15, x_17, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_15);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("unreachable code has been reached");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3() {
-_start:
+uint8_t x_20; 
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__4;
-x_2 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1;
-x_3 = lean_unsigned_to_nat(27u);
-x_4 = lean_unsigned_to_nat(55u);
-x_5 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2;
-x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
-return x_6;
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+lean_ctor_set(x_19, 0, x_18);
+return x_19;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_18);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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) {
+else
+{
+uint8_t x_24; 
+x_24 = !lean_is_exclusive(x_19);
+if (x_24 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_19, 0);
+x_26 = lean_ctor_get(x_19, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_19);
+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___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(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_dec(x_3);
-x_11 = lean_ctor_get(x_1, 4);
-lean_inc(x_11);
-if (lean_obj_tag(x_11) == 7)
-{
-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; 
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_ctor_get(x_1, 1);
-lean_inc(x_13);
-x_14 = lean_box(0);
-x_15 = l_List_mapTRAux___at_Lean_mkConstWithLevelParams___spec__1(x_13, x_14);
-x_16 = lean_array_get_size(x_2);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = lean_box(0);
-lean_inc(x_16);
-x_20 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2(x_2, x_1, x_12, x_15, x_16, x_17, x_16, x_18, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(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; 
-x_22 = lean_ctor_get(x_20, 0);
-lean_dec(x_22);
-lean_ctor_set(x_20, 0, x_19);
-return x_20;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-lean_dec(x_20);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_19);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
-}
-}
-else
-{
-uint8_t x_25; 
-x_25 = !lean_is_exclusive(x_20);
-if (x_25 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_20, 0);
-x_27 = lean_ctor_get(x_20, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_20);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-}
-else
-{
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_11);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3;
-x_30 = l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1(x_29, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-return x_30;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(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_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_10 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(x_1, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_10) == 0)
+lean_inc(x_3);
+x_11 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef(x_1, x_3, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_11; uint8_t x_12; 
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_unbox(x_11);
+lean_object* x_12; uint8_t x_13; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_unbox(x_12);
+lean_dec(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_11, 1);
+lean_inc(x_14);
 lean_dec(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_10, 1);
-lean_inc(x_13);
-lean_dec(x_10);
-x_14 = lean_box(0);
-x_15 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1(x_2, x_1, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
-return x_15;
+x_15 = lean_box(0);
+x_16 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1(x_2, x_1, x_3, x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
+return x_16;
 }
 else
 {
-uint8_t x_16; 
-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_16 = !lean_is_exclusive(x_10);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_10, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_10, 0, x_18);
-return x_10;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_10, 1);
-lean_inc(x_19);
-lean_dec(x_10);
-x_20 = lean_box(0);
-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_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)
-{
-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;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-lean_object* x_15; 
-x_15 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+uint8_t 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_17 = !lean_is_exclusive(x_11);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; 
+x_18 = lean_ctor_get(x_11, 0);
+lean_dec(x_18);
+x_19 = lean_box(0);
+lean_ctor_set(x_11, 0, x_19);
+return x_11;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_11, 1);
+lean_inc(x_20);
+lean_dec(x_11);
+x_21 = lean_box(0);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_20);
+return x_22;
+}
+}
+}
+else
+{
+uint8_t 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_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_23 = !lean_is_exclusive(x_11);
+if (x_23 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_11, 0);
+x_25 = lean_ctor_get(x_11, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_11);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
 return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___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, 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_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___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, 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:
 {
 uint8_t x_16; lean_object* x_17; 
 x_16 = lean_unbox(x_2);
 lean_dec(x_2);
-x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2(x_1, x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2(x_1, x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_8);
 return x_17;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_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_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
 _start:
 {
 lean_object* x_17; 
-x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
 lean_dec(x_8);
 lean_dec(x_7);
 return x_17;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___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_4);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_lt(x_3, x_2);
+if (x_5 == 0)
+{
+return x_4;
+}
+else
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; 
+x_6 = lean_array_uget(x_4, x_3);
+x_7 = lean_unsigned_to_nat(0u);
+x_8 = lean_array_uset(x_4, x_3, x_7);
+x_9 = l_Lean_Expr_bindingBody_x21(x_6);
+lean_dec(x_6);
+x_10 = lean_expr_instantiate1(x_9, x_1);
+lean_dec(x_9);
+x_11 = 1;
+x_12 = lean_usize_add(x_3, x_11);
+x_13 = lean_array_uset(x_8, x_3, x_10);
+x_3 = x_12;
+x_4 = x_13;
+goto _start;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___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_object* x_11) {
+_start:
+{
+uint8_t x_12; 
+x_12 = lean_usize_dec_eq(x_3, x_4);
+if (x_12 == 0)
+{
+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_13 = lean_array_uget(x_2, x_3);
+x_14 = l_Lean_Expr_bindingDomain_x21(x_13);
+x_15 = l_Lean_instInhabitedExpr;
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = lean_array_get(x_15, x_1, x_16);
+x_18 = l_Lean_Expr_bindingDomain_x21(x_17);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_19 = l_Lean_Meta_isExprDefEq(x_14, x_18, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_19) == 0)
+{
+uint8_t x_20; 
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_21 = lean_ctor_get(x_19, 0);
+x_22 = lean_ctor_get(x_19, 1);
+x_23 = l_Lean_Expr_bindingName_x21(x_13);
+x_24 = l_Lean_Expr_bindingName_x21(x_17);
+x_25 = lean_name_eq(x_23, x_24);
+lean_dec(x_24);
+lean_dec(x_23);
+if (x_25 == 0)
+{
+uint8_t x_26; lean_object* x_27; 
+lean_dec(x_21);
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_26 = 1;
+x_27 = lean_box(x_26);
+lean_ctor_set(x_19, 0, x_27);
+return x_19;
+}
+else
+{
+uint8_t x_28; uint8_t x_29; uint8_t x_30; 
+x_28 = l_Lean_Expr_binderInfo(x_13);
+lean_dec(x_13);
+x_29 = l_Lean_Expr_binderInfo(x_17);
+lean_dec(x_17);
+x_30 = l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_356_(x_28, x_29);
+if (x_30 == 0)
+{
+uint8_t x_31; lean_object* x_32; 
+lean_dec(x_21);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_31 = 1;
+x_32 = lean_box(x_31);
+lean_ctor_set(x_19, 0, x_32);
+return x_19;
+}
+else
+{
+uint8_t x_33; 
+x_33 = lean_unbox(x_21);
+lean_dec(x_21);
+if (x_33 == 0)
+{
+uint8_t x_34; lean_object* x_35; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_34 = 1;
+x_35 = lean_box(x_34);
+lean_ctor_set(x_19, 0, x_35);
+return x_19;
+}
+else
+{
+size_t x_36; size_t x_37; 
+lean_free_object(x_19);
+x_36 = 1;
+x_37 = lean_usize_add(x_3, x_36);
+x_3 = x_37;
+x_11 = x_22;
+goto _start;
+}
+}
+}
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_39 = lean_ctor_get(x_19, 0);
+x_40 = lean_ctor_get(x_19, 1);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_19);
+x_41 = l_Lean_Expr_bindingName_x21(x_13);
+x_42 = l_Lean_Expr_bindingName_x21(x_17);
+x_43 = lean_name_eq(x_41, x_42);
+lean_dec(x_42);
+lean_dec(x_41);
+if (x_43 == 0)
+{
+uint8_t x_44; lean_object* x_45; lean_object* x_46; 
+lean_dec(x_39);
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_44 = 1;
+x_45 = lean_box(x_44);
+x_46 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_40);
+return x_46;
+}
+else
+{
+uint8_t x_47; uint8_t x_48; uint8_t x_49; 
+x_47 = l_Lean_Expr_binderInfo(x_13);
+lean_dec(x_13);
+x_48 = l_Lean_Expr_binderInfo(x_17);
+lean_dec(x_17);
+x_49 = l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_356_(x_47, x_48);
+if (x_49 == 0)
+{
+uint8_t x_50; lean_object* x_51; lean_object* x_52; 
+lean_dec(x_39);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_50 = 1;
+x_51 = lean_box(x_50);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_40);
+return x_52;
+}
+else
+{
+uint8_t x_53; 
+x_53 = lean_unbox(x_39);
+lean_dec(x_39);
+if (x_53 == 0)
+{
+uint8_t x_54; lean_object* x_55; lean_object* x_56; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_54 = 1;
+x_55 = lean_box(x_54);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_40);
+return x_56;
+}
+else
+{
+size_t x_57; size_t x_58; 
+x_57 = 1;
+x_58 = lean_usize_add(x_3, x_57);
+x_3 = x_58;
+x_11 = x_40;
+goto _start;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_60; 
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_60 = !lean_is_exclusive(x_19);
+if (x_60 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_19, 0);
+x_62 = lean_ctor_get(x_19, 1);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_19);
+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;
+}
+}
+}
+else
+{
+uint8_t x_64; lean_object* x_65; lean_object* x_66; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_64 = 0;
+x_65 = lean_box(x_64);
+x_66 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_66, 0, x_65);
+lean_ctor_set(x_66, 1, x_11);
+return x_66;
+}
+}
+}
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3(lean_object* x_1, size_t x_2, size_t x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = lean_usize_dec_eq(x_2, x_3);
+if (x_4 == 0)
+{
+lean_object* x_5; uint8_t x_6; 
+x_5 = lean_array_uget(x_1, x_2);
+x_6 = l_Lean_Expr_isLambda(x_5);
+lean_dec(x_5);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+x_7 = 1;
+return x_7;
+}
+else
+{
+size_t x_8; size_t x_9; 
+x_8 = 1;
+x_9 = lean_usize_add(x_2, x_8);
+x_2 = x_9;
+goto _start;
+}
+}
+else
+{
+uint8_t x_11; 
+x_11 = 0;
+return x_11;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go___rarg___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, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; size_t x_14; size_t x_15; lean_object* x_16; lean_object* x_17; 
+lean_inc(x_5);
+x_13 = lean_array_push(x_1, x_5);
+x_14 = lean_usize_of_nat(x_2);
+lean_dec(x_2);
+x_15 = 0;
+x_16 = l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(x_5, x_14, x_15, x_3);
+lean_dec(x_5);
+x_17 = l_Lean_Elab_withCommonTelescope_go___rarg(x_4, x_13, x_16, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go___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, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+x_43 = lean_array_get_size(x_3);
+x_44 = lean_unsigned_to_nat(0u);
+x_45 = lean_nat_dec_lt(x_44, x_43);
+if (x_45 == 0)
+{
+lean_object* x_46; 
+lean_dec(x_43);
+x_46 = lean_box(0);
+x_11 = x_46;
+goto block_42;
+}
+else
+{
+uint8_t x_47; 
+x_47 = lean_nat_dec_le(x_43, x_43);
+if (x_47 == 0)
+{
+lean_object* x_48; 
+lean_dec(x_43);
+x_48 = lean_box(0);
+x_11 = x_48;
+goto block_42;
+}
+else
+{
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_43);
+lean_dec(x_43);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3(x_3, x_49, x_50);
+if (x_51 == 0)
+{
+lean_object* x_52; 
+x_52 = lean_box(0);
+x_11 = x_52;
+goto block_42;
+}
+else
+{
+lean_object* x_53; 
+x_53 = lean_apply_9(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_53;
+}
+}
+}
+block_42:
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; uint8_t x_15; lean_object* x_16; 
+lean_dec(x_11);
+x_12 = lean_array_get_size(x_3);
+x_13 = lean_unsigned_to_nat(0u);
+x_14 = lean_nat_dec_lt(x_13, x_12);
+if (x_14 == 0)
+{
+uint8_t x_26; 
+x_26 = 1;
+x_15 = x_26;
+x_16 = x_10;
+goto block_25;
+}
+else
+{
+uint8_t x_27; 
+x_27 = lean_nat_dec_le(x_12, x_12);
+if (x_27 == 0)
+{
+uint8_t x_28; 
+x_28 = 1;
+x_15 = x_28;
+x_16 = x_10;
+goto block_25;
+}
+else
+{
+size_t x_29; size_t x_30; lean_object* x_31; 
+x_29 = 0;
+x_30 = lean_usize_of_nat(x_12);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_31 = l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__2(x_3, x_3, x_29, x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_31) == 0)
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = lean_ctor_get(x_31, 0);
+lean_inc(x_32);
+x_33 = lean_unbox(x_32);
+lean_dec(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; uint8_t x_35; 
+x_34 = lean_ctor_get(x_31, 1);
+lean_inc(x_34);
+lean_dec(x_31);
+x_35 = 1;
+x_15 = x_35;
+x_16 = x_34;
+goto block_25;
+}
+else
+{
+lean_object* x_36; uint8_t x_37; 
+x_36 = lean_ctor_get(x_31, 1);
+lean_inc(x_36);
+lean_dec(x_31);
+x_37 = 0;
+x_15 = x_37;
+x_16 = x_36;
+goto block_25;
+}
+}
+else
+{
+uint8_t x_38; 
+lean_dec(x_12);
+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_38 = !lean_is_exclusive(x_31);
+if (x_38 == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_39 = lean_ctor_get(x_31, 0);
+x_40 = lean_ctor_get(x_31, 1);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_31);
+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;
+}
+}
+}
+}
+block_25:
+{
+if (x_15 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_12);
+x_17 = lean_apply_9(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+return x_17;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = lean_array_get(x_18, x_3, x_13);
+x_20 = l_Lean_Expr_bindingName_x21(x_19);
+x_21 = l_Lean_Expr_binderInfo(x_19);
+x_22 = l_Lean_Expr_bindingDomain_x21(x_19);
+lean_dec(x_19);
+x_23 = lean_alloc_closure((void*)(l_Lean_Elab_withCommonTelescope_go___rarg___lambda__1), 12, 4);
+lean_closure_set(x_23, 0, x_2);
+lean_closure_set(x_23, 1, x_12);
+lean_closure_set(x_23, 2, x_3);
+lean_closure_set(x_23, 3, x_1);
+x_24 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_20, x_21, x_22, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+return x_24;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope_go(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_withCommonTelescope_go___rarg), 10, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; lean_object* x_7; 
+x_5 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_6 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_7 = l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(x_1, x_5, x_6, x_4);
+lean_dec(x_1);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___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_object* x_11) {
+_start:
+{
+size_t x_12; size_t x_13; lean_object* x_14; 
+x_12 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_13 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_14 = l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__2(x_1, x_2, x_12, x_13, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+size_t x_4; size_t x_5; uint8_t x_6; lean_object* x_7; 
+x_4 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3(x_1, x_4, x_5);
+lean_dec(x_1);
+x_7 = lean_box(x_6);
+return x_7;
+}
+}
+static lean_object* _init_l_Lean_Elab_withCommonTelescope___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope___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; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_10 = lean_array_get_size(x_1);
+x_11 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_12 = 0;
+x_13 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(x_11, x_12, x_1);
+x_14 = l_Lean_Elab_withCommonTelescope___rarg___closed__1;
+x_15 = l_Lean_Elab_withCommonTelescope_go___rarg(x_2, x_14, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_withCommonTelescope(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_withCommonTelescope___rarg), 9, 0);
+return x_2;
+}
+}
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_eq(x_3, x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_6 = lean_array_uget(x_2, x_3);
+x_7 = lean_ctor_get(x_6, 3);
+lean_inc(x_7);
+lean_dec(x_6);
+x_8 = l_Lean_Expr_isAppOf(x_1, x_7);
+lean_dec(x_7);
+if (x_8 == 0)
+{
+size_t x_9; size_t x_10; 
+x_9 = 1;
+x_10 = lean_usize_add(x_3, x_9);
+x_3 = x_10;
+goto _start;
+}
+else
+{
+uint8_t x_12; 
+x_12 = 1;
+return x_12;
+}
+}
+else
+{
+uint8_t x_13; 
+x_13 = 0;
+return x_13;
+}
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1() {
+_start:
+{
+uint8_t x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = 1;
+x_2 = lean_box(x_1);
+x_3 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_3, 0, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___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) {
+_start:
+{
+uint8_t x_11; 
+x_11 = lean_usize_dec_lt(x_4, x_3);
+if (x_11 == 0)
+{
+lean_object* x_12; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_5);
+lean_ctor_set(x_12, 1, x_10);
+return x_12;
+}
+else
+{
+lean_object* x_13; uint8_t x_14; 
+x_13 = lean_array_uget(x_2, x_4);
+x_14 = !lean_is_exclusive(x_5);
+if (x_14 == 0)
+{
+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_15 = lean_ctor_get(x_5, 1);
+x_16 = lean_ctor_get(x_5, 0);
+lean_dec(x_16);
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_15, 2);
+lean_inc(x_19);
+x_20 = lean_nat_dec_lt(x_18, x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+lean_dec(x_19);
+lean_dec(x_18);
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_ctor_set(x_5, 0, x_1);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_5);
+lean_ctor_set(x_21, 1, x_10);
+return x_21;
+}
+else
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_15);
+if (x_22 == 0)
+{
+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; uint8_t x_35; 
+x_23 = lean_ctor_get(x_15, 2);
+lean_dec(x_23);
+x_24 = lean_ctor_get(x_15, 1);
+lean_dec(x_24);
+x_25 = lean_ctor_get(x_15, 0);
+lean_dec(x_25);
+x_26 = lean_array_fget(x_17, x_18);
+x_27 = lean_unsigned_to_nat(1u);
+x_28 = lean_nat_add(x_18, x_27);
+lean_dec(x_18);
+lean_ctor_set(x_15, 1, x_28);
+x_29 = lean_ctor_get(x_6, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_6, 1);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_6, 2);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_6, 3);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_6, 4);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_6, 5);
+lean_inc(x_34);
+x_35 = !lean_is_exclusive(x_29);
+if (x_35 == 0)
+{
+uint8_t x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; 
+x_36 = 2;
+x_37 = 0;
+lean_ctor_set_uint8(x_29, 5, x_36);
+lean_ctor_set_uint8(x_29, 9, x_37);
+x_38 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_38, 0, x_29);
+lean_ctor_set(x_38, 1, x_30);
+lean_ctor_set(x_38, 2, x_31);
+lean_ctor_set(x_38, 3, x_32);
+lean_ctor_set(x_38, 4, x_33);
+lean_ctor_set(x_38, 5, x_34);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_39 = l_Lean_Meta_isExprDefEq(x_13, x_26, x_38, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_unbox(x_40);
+lean_dec(x_40);
+if (x_41 == 0)
+{
+uint8_t x_42; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_39);
+if (x_42 == 0)
+{
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_39, 0);
+lean_dec(x_43);
+x_44 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
+lean_ctor_set(x_5, 0, x_44);
+lean_ctor_set(x_39, 0, x_5);
+return x_39;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_39, 1);
+lean_inc(x_45);
+lean_dec(x_39);
+x_46 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
+lean_ctor_set(x_5, 0, x_46);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_5);
+lean_ctor_set(x_47, 1, x_45);
+return x_47;
+}
+}
+else
+{
+lean_object* x_48; size_t x_49; size_t x_50; 
+x_48 = lean_ctor_get(x_39, 1);
+lean_inc(x_48);
+lean_dec(x_39);
+lean_inc(x_1);
+lean_ctor_set(x_5, 0, x_1);
+x_49 = 1;
+x_50 = lean_usize_add(x_4, x_49);
+x_4 = x_50;
+x_10 = x_48;
+goto _start;
+}
+}
+else
+{
+uint8_t x_52; 
+lean_dec(x_15);
+lean_free_object(x_5);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_52 = !lean_is_exclusive(x_39);
+if (x_52 == 0)
+{
+return x_39;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_39, 0);
+x_54 = lean_ctor_get(x_39, 1);
+lean_inc(x_54);
+lean_inc(x_53);
+lean_dec(x_39);
+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; 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; uint8_t x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_56 = lean_ctor_get_uint8(x_29, 0);
+x_57 = lean_ctor_get_uint8(x_29, 1);
+x_58 = lean_ctor_get_uint8(x_29, 2);
+x_59 = lean_ctor_get_uint8(x_29, 3);
+x_60 = lean_ctor_get_uint8(x_29, 4);
+x_61 = lean_ctor_get_uint8(x_29, 6);
+x_62 = lean_ctor_get_uint8(x_29, 7);
+x_63 = lean_ctor_get_uint8(x_29, 8);
+x_64 = lean_ctor_get_uint8(x_29, 10);
+x_65 = lean_ctor_get_uint8(x_29, 11);
+x_66 = lean_ctor_get_uint8(x_29, 12);
+x_67 = lean_ctor_get_uint8(x_29, 13);
+lean_dec(x_29);
+x_68 = 2;
+x_69 = 0;
+x_70 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_70, 0, x_56);
+lean_ctor_set_uint8(x_70, 1, x_57);
+lean_ctor_set_uint8(x_70, 2, x_58);
+lean_ctor_set_uint8(x_70, 3, x_59);
+lean_ctor_set_uint8(x_70, 4, x_60);
+lean_ctor_set_uint8(x_70, 5, x_68);
+lean_ctor_set_uint8(x_70, 6, x_61);
+lean_ctor_set_uint8(x_70, 7, x_62);
+lean_ctor_set_uint8(x_70, 8, x_63);
+lean_ctor_set_uint8(x_70, 9, x_69);
+lean_ctor_set_uint8(x_70, 10, x_64);
+lean_ctor_set_uint8(x_70, 11, x_65);
+lean_ctor_set_uint8(x_70, 12, x_66);
+lean_ctor_set_uint8(x_70, 13, x_67);
+x_71 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_30);
+lean_ctor_set(x_71, 2, x_31);
+lean_ctor_set(x_71, 3, x_32);
+lean_ctor_set(x_71, 4, x_33);
+lean_ctor_set(x_71, 5, x_34);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_72 = l_Lean_Meta_isExprDefEq(x_13, x_26, x_71, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_72) == 0)
+{
+lean_object* x_73; uint8_t x_74; 
+x_73 = lean_ctor_get(x_72, 0);
+lean_inc(x_73);
+x_74 = lean_unbox(x_73);
+lean_dec(x_73);
+if (x_74 == 0)
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_75 = lean_ctor_get(x_72, 1);
+lean_inc(x_75);
+if (lean_is_exclusive(x_72)) {
+ lean_ctor_release(x_72, 0);
+ lean_ctor_release(x_72, 1);
+ x_76 = x_72;
+} else {
+ lean_dec_ref(x_72);
+ x_76 = lean_box(0);
+}
+x_77 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
+lean_ctor_set(x_5, 0, x_77);
+if (lean_is_scalar(x_76)) {
+ x_78 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_78 = x_76;
+}
+lean_ctor_set(x_78, 0, x_5);
+lean_ctor_set(x_78, 1, x_75);
+return x_78;
+}
+else
+{
+lean_object* x_79; size_t x_80; size_t x_81; 
+x_79 = lean_ctor_get(x_72, 1);
+lean_inc(x_79);
+lean_dec(x_72);
+lean_inc(x_1);
+lean_ctor_set(x_5, 0, x_1);
+x_80 = 1;
+x_81 = lean_usize_add(x_4, x_80);
+x_4 = x_81;
+x_10 = x_79;
+goto _start;
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+lean_dec(x_15);
+lean_free_object(x_5);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_83 = lean_ctor_get(x_72, 0);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_72, 1);
+lean_inc(x_84);
+if (lean_is_exclusive(x_72)) {
+ lean_ctor_release(x_72, 0);
+ lean_ctor_release(x_72, 1);
+ x_85 = x_72;
+} else {
+ lean_dec_ref(x_72);
+ x_85 = lean_box(0);
+}
+if (lean_is_scalar(x_85)) {
+ x_86 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_86 = x_85;
+}
+lean_ctor_set(x_86, 0, x_83);
+lean_ctor_set(x_86, 1, x_84);
+return x_86;
+}
+}
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; uint8_t 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; lean_object* x_109; uint8_t x_110; uint8_t x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+lean_dec(x_15);
+x_87 = lean_array_fget(x_17, x_18);
+x_88 = lean_unsigned_to_nat(1u);
+x_89 = lean_nat_add(x_18, x_88);
+lean_dec(x_18);
+x_90 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_90, 0, x_17);
+lean_ctor_set(x_90, 1, x_89);
+lean_ctor_set(x_90, 2, x_19);
+x_91 = lean_ctor_get(x_6, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_6, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_6, 2);
+lean_inc(x_93);
+x_94 = lean_ctor_get(x_6, 3);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_6, 4);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_6, 5);
+lean_inc(x_96);
+x_97 = lean_ctor_get_uint8(x_91, 0);
+x_98 = lean_ctor_get_uint8(x_91, 1);
+x_99 = lean_ctor_get_uint8(x_91, 2);
+x_100 = lean_ctor_get_uint8(x_91, 3);
+x_101 = lean_ctor_get_uint8(x_91, 4);
+x_102 = lean_ctor_get_uint8(x_91, 6);
+x_103 = lean_ctor_get_uint8(x_91, 7);
+x_104 = lean_ctor_get_uint8(x_91, 8);
+x_105 = lean_ctor_get_uint8(x_91, 10);
+x_106 = lean_ctor_get_uint8(x_91, 11);
+x_107 = lean_ctor_get_uint8(x_91, 12);
+x_108 = lean_ctor_get_uint8(x_91, 13);
+if (lean_is_exclusive(x_91)) {
+ x_109 = x_91;
+} else {
+ lean_dec_ref(x_91);
+ x_109 = lean_box(0);
+}
+x_110 = 2;
+x_111 = 0;
+if (lean_is_scalar(x_109)) {
+ x_112 = lean_alloc_ctor(0, 0, 14);
+} else {
+ x_112 = x_109;
+}
+lean_ctor_set_uint8(x_112, 0, x_97);
+lean_ctor_set_uint8(x_112, 1, x_98);
+lean_ctor_set_uint8(x_112, 2, x_99);
+lean_ctor_set_uint8(x_112, 3, x_100);
+lean_ctor_set_uint8(x_112, 4, x_101);
+lean_ctor_set_uint8(x_112, 5, x_110);
+lean_ctor_set_uint8(x_112, 6, x_102);
+lean_ctor_set_uint8(x_112, 7, x_103);
+lean_ctor_set_uint8(x_112, 8, x_104);
+lean_ctor_set_uint8(x_112, 9, x_111);
+lean_ctor_set_uint8(x_112, 10, x_105);
+lean_ctor_set_uint8(x_112, 11, x_106);
+lean_ctor_set_uint8(x_112, 12, x_107);
+lean_ctor_set_uint8(x_112, 13, x_108);
+x_113 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_113, 0, x_112);
+lean_ctor_set(x_113, 1, x_92);
+lean_ctor_set(x_113, 2, x_93);
+lean_ctor_set(x_113, 3, x_94);
+lean_ctor_set(x_113, 4, x_95);
+lean_ctor_set(x_113, 5, x_96);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_114 = l_Lean_Meta_isExprDefEq(x_13, x_87, x_113, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_114) == 0)
+{
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_unbox(x_115);
+lean_dec(x_115);
+if (x_116 == 0)
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_117 = lean_ctor_get(x_114, 1);
+lean_inc(x_117);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_118 = x_114;
+} else {
+ lean_dec_ref(x_114);
+ x_118 = lean_box(0);
+}
+x_119 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
+lean_ctor_set(x_5, 1, x_90);
+lean_ctor_set(x_5, 0, x_119);
+if (lean_is_scalar(x_118)) {
+ x_120 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_120 = x_118;
+}
+lean_ctor_set(x_120, 0, x_5);
+lean_ctor_set(x_120, 1, x_117);
+return x_120;
+}
+else
+{
+lean_object* x_121; size_t x_122; size_t x_123; 
+x_121 = lean_ctor_get(x_114, 1);
+lean_inc(x_121);
+lean_dec(x_114);
+lean_inc(x_1);
+lean_ctor_set(x_5, 1, x_90);
+lean_ctor_set(x_5, 0, x_1);
+x_122 = 1;
+x_123 = lean_usize_add(x_4, x_122);
+x_4 = x_123;
+x_10 = x_121;
+goto _start;
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+lean_dec(x_90);
+lean_free_object(x_5);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_125 = lean_ctor_get(x_114, 0);
+lean_inc(x_125);
+x_126 = lean_ctor_get(x_114, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_127 = x_114;
+} else {
+ lean_dec_ref(x_114);
+ x_127 = lean_box(0);
+}
+if (lean_is_scalar(x_127)) {
+ x_128 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_128 = x_127;
+}
+lean_ctor_set(x_128, 0, x_125);
+lean_ctor_set(x_128, 1, x_126);
+return x_128;
+}
+}
+}
+}
+else
+{
+lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
+x_129 = lean_ctor_get(x_5, 1);
+lean_inc(x_129);
+lean_dec(x_5);
+x_130 = lean_ctor_get(x_129, 0);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_129, 1);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_129, 2);
+lean_inc(x_132);
+x_133 = lean_nat_dec_lt(x_131, x_132);
+if (x_133 == 0)
+{
+lean_object* x_134; lean_object* x_135; 
+lean_dec(x_132);
+lean_dec(x_131);
+lean_dec(x_130);
+lean_dec(x_13);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_134 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_134, 0, x_1);
+lean_ctor_set(x_134, 1, x_129);
+x_135 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_135, 0, x_134);
+lean_ctor_set(x_135, 1, x_10);
+return x_135;
+}
+else
+{
+lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; uint8_t x_147; uint8_t x_148; uint8_t x_149; uint8_t x_150; uint8_t x_151; uint8_t x_152; uint8_t x_153; uint8_t x_154; uint8_t x_155; uint8_t x_156; uint8_t x_157; uint8_t x_158; lean_object* x_159; uint8_t x_160; uint8_t x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+if (lean_is_exclusive(x_129)) {
+ lean_ctor_release(x_129, 0);
+ lean_ctor_release(x_129, 1);
+ lean_ctor_release(x_129, 2);
+ x_136 = x_129;
+} else {
+ lean_dec_ref(x_129);
+ x_136 = lean_box(0);
+}
+x_137 = lean_array_fget(x_130, x_131);
+x_138 = lean_unsigned_to_nat(1u);
+x_139 = lean_nat_add(x_131, x_138);
+lean_dec(x_131);
+if (lean_is_scalar(x_136)) {
+ x_140 = lean_alloc_ctor(0, 3, 0);
+} else {
+ x_140 = x_136;
+}
+lean_ctor_set(x_140, 0, x_130);
+lean_ctor_set(x_140, 1, x_139);
+lean_ctor_set(x_140, 2, x_132);
+x_141 = lean_ctor_get(x_6, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_6, 1);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_6, 2);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_6, 3);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_6, 4);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_6, 5);
+lean_inc(x_146);
+x_147 = lean_ctor_get_uint8(x_141, 0);
+x_148 = lean_ctor_get_uint8(x_141, 1);
+x_149 = lean_ctor_get_uint8(x_141, 2);
+x_150 = lean_ctor_get_uint8(x_141, 3);
+x_151 = lean_ctor_get_uint8(x_141, 4);
+x_152 = lean_ctor_get_uint8(x_141, 6);
+x_153 = lean_ctor_get_uint8(x_141, 7);
+x_154 = lean_ctor_get_uint8(x_141, 8);
+x_155 = lean_ctor_get_uint8(x_141, 10);
+x_156 = lean_ctor_get_uint8(x_141, 11);
+x_157 = lean_ctor_get_uint8(x_141, 12);
+x_158 = lean_ctor_get_uint8(x_141, 13);
+if (lean_is_exclusive(x_141)) {
+ x_159 = x_141;
+} else {
+ lean_dec_ref(x_141);
+ x_159 = lean_box(0);
+}
+x_160 = 2;
+x_161 = 0;
+if (lean_is_scalar(x_159)) {
+ x_162 = lean_alloc_ctor(0, 0, 14);
+} else {
+ x_162 = x_159;
+}
+lean_ctor_set_uint8(x_162, 0, x_147);
+lean_ctor_set_uint8(x_162, 1, x_148);
+lean_ctor_set_uint8(x_162, 2, x_149);
+lean_ctor_set_uint8(x_162, 3, x_150);
+lean_ctor_set_uint8(x_162, 4, x_151);
+lean_ctor_set_uint8(x_162, 5, x_160);
+lean_ctor_set_uint8(x_162, 6, x_152);
+lean_ctor_set_uint8(x_162, 7, x_153);
+lean_ctor_set_uint8(x_162, 8, x_154);
+lean_ctor_set_uint8(x_162, 9, x_161);
+lean_ctor_set_uint8(x_162, 10, x_155);
+lean_ctor_set_uint8(x_162, 11, x_156);
+lean_ctor_set_uint8(x_162, 12, x_157);
+lean_ctor_set_uint8(x_162, 13, x_158);
+x_163 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_163, 0, x_162);
+lean_ctor_set(x_163, 1, x_142);
+lean_ctor_set(x_163, 2, x_143);
+lean_ctor_set(x_163, 3, x_144);
+lean_ctor_set(x_163, 4, x_145);
+lean_ctor_set(x_163, 5, x_146);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_164 = l_Lean_Meta_isExprDefEq(x_13, x_137, x_163, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_164) == 0)
+{
+lean_object* x_165; uint8_t x_166; 
+x_165 = lean_ctor_get(x_164, 0);
+lean_inc(x_165);
+x_166 = lean_unbox(x_165);
+lean_dec(x_165);
+if (x_166 == 0)
+{
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_167 = lean_ctor_get(x_164, 1);
+lean_inc(x_167);
+if (lean_is_exclusive(x_164)) {
+ lean_ctor_release(x_164, 0);
+ lean_ctor_release(x_164, 1);
+ x_168 = x_164;
+} else {
+ lean_dec_ref(x_164);
+ x_168 = lean_box(0);
+}
+x_169 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
+x_170 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_170, 0, x_169);
+lean_ctor_set(x_170, 1, x_140);
+if (lean_is_scalar(x_168)) {
+ x_171 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_171 = x_168;
+}
+lean_ctor_set(x_171, 0, x_170);
+lean_ctor_set(x_171, 1, x_167);
+return x_171;
+}
+else
+{
+lean_object* x_172; lean_object* x_173; size_t x_174; size_t x_175; 
+x_172 = lean_ctor_get(x_164, 1);
+lean_inc(x_172);
+lean_dec(x_164);
+lean_inc(x_1);
+x_173 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_173, 0, x_1);
+lean_ctor_set(x_173, 1, x_140);
+x_174 = 1;
+x_175 = lean_usize_add(x_4, x_174);
+x_4 = x_175;
+x_5 = x_173;
+x_10 = x_172;
+goto _start;
+}
+}
+else
+{
+lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+lean_dec(x_140);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_177 = lean_ctor_get(x_164, 0);
+lean_inc(x_177);
+x_178 = lean_ctor_get(x_164, 1);
+lean_inc(x_178);
+if (lean_is_exclusive(x_164)) {
+ lean_ctor_release(x_164, 0);
+ lean_ctor_release(x_164, 1);
+ x_179 = x_164;
+} else {
+ lean_dec_ref(x_164);
+ x_179 = lean_box(0);
+}
+if (lean_is_scalar(x_179)) {
+ x_180 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_180 = x_179;
+}
+lean_ctor_set(x_180, 0, x_177);
+lean_ctor_set(x_180, 1, x_178);
+return x_180;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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;
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__1___boxed), 6, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_11 = lean_array_get_size(x_1);
+x_12 = lean_unsigned_to_nat(0u);
+x_13 = lean_nat_dec_lt(x_12, x_11);
+if (x_13 == 0)
+{
+uint8_t x_14; lean_object* x_15; lean_object* x_16; 
+lean_dec(x_11);
+lean_dec(x_9);
+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_14 = 1;
+x_15 = lean_box(x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_10);
+return x_16;
+}
+else
+{
+uint8_t x_17; 
+x_17 = lean_nat_dec_le(x_11, x_11);
+if (x_17 == 0)
+{
+uint8_t x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_11);
+lean_dec(x_9);
+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_18 = 1;
+x_19 = lean_box(x_18);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_10);
+return x_20;
+}
+else
+{
+size_t x_21; size_t x_22; uint8_t x_23; 
+x_21 = 0;
+x_22 = lean_usize_of_nat(x_11);
+lean_dec(x_11);
+x_23 = l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1(x_5, x_1, x_21, x_22);
+if (x_23 == 0)
+{
+uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+lean_dec(x_9);
+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_24 = 1;
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_10);
+return x_26;
+}
+else
+{
+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_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_27 = l_Lean_Expr_getAppNumArgsAux(x_5, x_12);
+x_28 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___closed__1;
+lean_inc(x_27);
+x_29 = lean_mk_array(x_27, x_28);
+x_30 = lean_unsigned_to_nat(1u);
+x_31 = lean_nat_sub(x_27, x_30);
+lean_dec(x_27);
+x_32 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_5, x_29, x_31);
+x_57 = lean_st_ref_get(x_9, x_10);
+x_58 = lean_ctor_get(x_57, 1);
+lean_inc(x_58);
+lean_dec(x_57);
+x_59 = lean_st_ref_take(x_4, x_58);
+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_get_size(x_32);
+x_63 = lean_nat_dec_le(x_62, x_60);
+if (x_63 == 0)
+{
+lean_object* x_64; lean_object* x_65; 
+lean_dec(x_62);
+x_64 = lean_st_ref_set(x_4, x_60, x_61);
+x_65 = lean_ctor_get(x_64, 1);
+lean_inc(x_65);
+lean_dec(x_64);
+x_33 = x_65;
+goto block_56;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; 
+lean_dec(x_60);
+x_66 = lean_st_ref_set(x_4, x_62, x_61);
+x_67 = lean_ctor_get(x_66, 1);
+lean_inc(x_67);
+lean_dec(x_66);
+x_33 = x_67;
+goto block_56;
+}
+block_56:
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; size_t x_38; lean_object* x_39; 
+x_34 = l_Array_toSubarray___rarg(x_2, x_12, x_3);
+x_35 = lean_box(0);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+x_37 = lean_array_get_size(x_32);
+x_38 = lean_usize_of_nat(x_37);
+lean_dec(x_37);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_39 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2(x_35, x_32, x_38, x_21, x_36, x_6, x_7, x_8, x_9, x_33);
+lean_dec(x_32);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+lean_dec(x_40);
+if (lean_obj_tag(x_41) == 0)
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_42 = lean_ctor_get(x_39, 1);
+lean_inc(x_42);
+lean_dec(x_39);
+x_43 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1;
+x_44 = lean_box(0);
+x_45 = lean_apply_6(x_43, x_44, x_6, x_7, x_8, x_9, x_42);
+return x_45;
+}
+else
+{
+uint8_t x_46; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_46 = !lean_is_exclusive(x_39);
+if (x_46 == 0)
+{
+lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_39, 0);
+lean_dec(x_47);
+x_48 = lean_ctor_get(x_41, 0);
+lean_inc(x_48);
+lean_dec(x_41);
+lean_ctor_set(x_39, 0, x_48);
+return x_39;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_39, 1);
+lean_inc(x_49);
+lean_dec(x_39);
+x_50 = lean_ctor_get(x_41, 0);
+lean_inc(x_50);
+lean_dec(x_41);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_49);
+return x_51;
+}
+}
+}
+else
+{
+uint8_t x_52; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_52 = !lean_is_exclusive(x_39);
+if (x_52 == 0)
+{
+return x_39;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_39, 0);
+x_54 = lean_ctor_get(x_39, 1);
+lean_inc(x_54);
+lean_inc(x_53);
+lean_dec(x_39);
+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;
+}
+}
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___boxed), 10, 4);
+lean_closure_set(x_15, 0, x_1);
+lean_closure_set(x_15, 1, x_2);
+lean_closure_set(x_15, 2, x_3);
+lean_closure_set(x_15, 3, x_4);
+x_16 = l_Lean_Meta_forEachExpr_x27(x_5, x_15, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_16) == 0)
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_16);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; 
+x_18 = lean_ctor_get(x_16, 0);
+lean_dec(x_18);
+x_19 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_19, 0, x_6);
+lean_ctor_set(x_16, 0, x_19);
+return x_16;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_16, 1);
+lean_inc(x_20);
+lean_dec(x_16);
+x_21 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_21, 0, x_6);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_20);
+return x_22;
+}
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_6);
+x_23 = !lean_is_exclusive(x_16);
+if (x_23 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_16, 0);
+x_25 = lean_ctor_get(x_16, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_16);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1;
+x_2 = lean_box(0);
+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_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t 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) {
+_start:
+{
+uint8_t x_17; 
+x_17 = lean_usize_dec_lt(x_8, x_7);
+if (x_17 == 0)
+{
+lean_object* x_18; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_9);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+lean_dec(x_9);
+x_19 = lean_array_uget(x_6, x_8);
+x_20 = lean_st_ref_get(x_15, x_16);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = lean_st_ref_get(x_4, x_21);
+x_23 = !lean_is_exclusive(x_22);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_24 = lean_ctor_get(x_22, 0);
+x_25 = lean_ctor_get(x_22, 1);
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = lean_nat_dec_eq(x_24, x_26);
+lean_dec(x_24);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+lean_free_object(x_22);
+x_28 = lean_box(0);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_29 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__3(x_1, x_2, x_3, x_4, x_19, x_5, x_28, x_10, x_11, x_12, x_13, x_14, x_15, x_25);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+if (lean_obj_tag(x_30) == 0)
+{
+uint8_t x_31; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_31 = !lean_is_exclusive(x_29);
+if (x_31 == 0)
+{
+lean_object* x_32; lean_object* x_33; 
+x_32 = lean_ctor_get(x_29, 0);
+lean_dec(x_32);
+x_33 = lean_ctor_get(x_30, 0);
+lean_inc(x_33);
+lean_dec(x_30);
+lean_ctor_set(x_29, 0, x_33);
+return x_29;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_dec(x_29);
+x_35 = lean_ctor_get(x_30, 0);
+lean_inc(x_35);
+lean_dec(x_30);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+return x_36;
+}
+}
+else
+{
+lean_object* x_37; lean_object* x_38; size_t x_39; size_t x_40; 
+x_37 = lean_ctor_get(x_29, 1);
+lean_inc(x_37);
+lean_dec(x_29);
+x_38 = lean_ctor_get(x_30, 0);
+lean_inc(x_38);
+lean_dec(x_30);
+x_39 = 1;
+x_40 = lean_usize_add(x_8, x_39);
+x_8 = x_40;
+x_9 = x_38;
+x_16 = x_37;
+goto _start;
+}
+}
+else
+{
+uint8_t x_42; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+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_29);
+if (x_42 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_29, 0);
+x_44 = lean_ctor_get(x_29, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_29);
+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_dec(x_19);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_46 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2;
+lean_ctor_set(x_22, 0, x_46);
+return x_22;
+}
+}
+else
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+x_47 = lean_ctor_get(x_22, 0);
+x_48 = lean_ctor_get(x_22, 1);
+lean_inc(x_48);
+lean_inc(x_47);
+lean_dec(x_22);
+x_49 = lean_unsigned_to_nat(0u);
+x_50 = lean_nat_dec_eq(x_47, x_49);
+lean_dec(x_47);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_box(0);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_52 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__3(x_1, x_2, x_3, x_4, x_19, x_5, x_51, x_10, x_11, x_12, x_13, x_14, x_15, x_48);
+if (lean_obj_tag(x_52) == 0)
+{
+lean_object* x_53; 
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+if (lean_is_exclusive(x_52)) {
+ lean_ctor_release(x_52, 0);
+ lean_ctor_release(x_52, 1);
+ x_55 = x_52;
+} else {
+ lean_dec_ref(x_52);
+ x_55 = lean_box(0);
+}
+x_56 = lean_ctor_get(x_53, 0);
+lean_inc(x_56);
+lean_dec(x_53);
+if (lean_is_scalar(x_55)) {
+ x_57 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_57 = x_55;
+}
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_54);
+return x_57;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; size_t x_60; size_t x_61; 
+x_58 = lean_ctor_get(x_52, 1);
+lean_inc(x_58);
+lean_dec(x_52);
+x_59 = lean_ctor_get(x_53, 0);
+lean_inc(x_59);
+lean_dec(x_53);
+x_60 = 1;
+x_61 = lean_usize_add(x_8, x_60);
+x_8 = x_61;
+x_9 = x_59;
+x_16 = x_58;
+goto _start;
+}
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_63 = lean_ctor_get(x_52, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_52, 1);
+lean_inc(x_64);
+if (lean_is_exclusive(x_52)) {
+ lean_ctor_release(x_52, 0);
+ lean_ctor_release(x_52, 1);
+ x_65 = x_52;
+} else {
+ lean_dec_ref(x_52);
+ x_65 = lean_box(0);
+}
+if (lean_is_scalar(x_65)) {
+ x_66 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_66 = x_65;
+}
+lean_ctor_set(x_66, 0, x_63);
+lean_ctor_set(x_66, 1, x_64);
+return x_66;
+}
+}
+else
+{
+lean_object* x_67; lean_object* x_68; 
+lean_dec(x_19);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_67 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2;
+x_68 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_48);
+return x_68;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___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; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_1, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_12, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_12);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_14);
+lean_ctor_set(x_16, 1, x_15);
+return x_16;
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_getFixedPrefix___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = lean_box(0);
+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_Lean_Elab_getFixedPrefix___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) {
+_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; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; 
+x_11 = lean_array_get_size(x_2);
+x_12 = lean_st_ref_get(x_9, x_10);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+lean_inc(x_11);
+x_14 = lean_st_mk_ref(x_11, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = lean_array_get_size(x_3);
+x_18 = lean_usize_of_nat(x_17);
+lean_dec(x_17);
+x_19 = 0;
+x_20 = l_Lean_Elab_getFixedPrefix___lambda__2___closed__1;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_15);
+x_21 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3(x_1, x_2, x_11, x_15, x_20, x_3, x_18, x_19, x_20, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+lean_dec(x_3);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+lean_dec(x_22);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+lean_dec(x_21);
+x_25 = lean_box(0);
+x_26 = l_Lean_Elab_getFixedPrefix___lambda__1(x_15, x_25, x_4, x_5, x_6, x_7, x_8, x_9, x_24);
+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_15);
+return x_26;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_15);
+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_27 = !lean_is_exclusive(x_21);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_21, 0);
+lean_dec(x_28);
+x_29 = lean_ctor_get(x_23, 0);
+lean_inc(x_29);
+lean_dec(x_23);
+lean_ctor_set(x_21, 0, x_29);
+return x_21;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
+lean_dec(x_21);
+x_31 = lean_ctor_get(x_23, 0);
+lean_inc(x_31);
+lean_dec(x_23);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_30);
+return x_32;
+}
+}
+}
+else
+{
+uint8_t x_33; 
+lean_dec(x_15);
+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_33 = !lean_is_exclusive(x_21);
+if (x_33 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_21, 0);
+x_35 = lean_ctor_get(x_21, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_21);
+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;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix(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; lean_object* x_10; 
+lean_inc(x_1);
+x_9 = lean_alloc_closure((void*)(l_Lean_Elab_getFixedPrefix___lambda__2), 10, 1);
+lean_closure_set(x_9, 0, x_1);
+x_10 = l_Lean_Elab_withCommonTelescope___rarg(x_1, x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_7 = l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1(x_1, x_2, x_5, x_6);
+lean_dec(x_2);
+lean_dec(x_1);
+x_8 = lean_box(x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___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) {
+_start:
+{
+size_t x_11; size_t x_12; lean_object* x_13; 
+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_Lean_Elab_getFixedPrefix___spec__2(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;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_4);
+lean_dec(x_1);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___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_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* 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) {
+_start:
+{
+size_t x_17; size_t x_18; lean_object* x_19; 
+x_17 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_18 = lean_unbox_usize(x_8);
+lean_dec(x_8);
+x_19 = l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_17, x_18, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+return x_19;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___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_Elab_getFixedPrefix___lambda__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;
+}
+}
 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:
 {
@@ -1672,196 +3990,959 @@ return x_27;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__1(size_t x_1, size_t 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) {
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__1___closed__1() {
 _start:
 {
-lean_object* x_13; 
-lean_inc(x_11);
-lean_inc(x_10);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_Elab_addAndCompileUnsafe___spec__1(x_1, x_2, x_3, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; 
-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 = 0;
-x_17 = 1;
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-x_18 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux(x_4, x_16, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
-lean_dec(x_18);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_14);
-x_20 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(x_14, x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; size_t x_26; lean_object* x_27; lean_object* x_28; 
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_ctor_get(x_4, 3);
-lean_inc(x_22);
-lean_dec(x_4);
-lean_inc(x_14);
-x_23 = l_Lean_Elab_WF_registerEqnsInfo(x_14, x_22, x_10, x_11, x_21);
-x_24 = lean_ctor_get(x_23, 1);
-lean_inc(x_24);
-lean_dec(x_23);
-x_25 = lean_array_get_size(x_14);
-x_26 = lean_usize_of_nat(x_25);
-lean_dec(x_25);
-x_27 = lean_box(0);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_6);
-x_28 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(x_14, x_26, x_2, x_27, x_6, x_7, x_8, x_9, x_10, x_11, x_24);
-if (lean_obj_tag(x_28) == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_28, 1);
-lean_inc(x_29);
-lean_dec(x_28);
-x_30 = l_Lean_Elab_addAndCompilePartialRec(x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_29);
-return x_30;
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__1___boxed), 4, 0);
+return x_1;
 }
-else
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__1___closed__2() {
+_start:
 {
-uint8_t x_31; 
-lean_dec(x_14);
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__2___boxed), 4, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_st_ref_get(x_13, x_14);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+lean_inc(x_12);
+x_19 = l_Lean_Elab_addAsAxiom(x_1, x_10, x_11, x_12, x_13, x_17);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_19, 1);
+lean_inc(x_20);
+lean_dec(x_19);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_1);
+x_21 = l_Lean_Elab_WF_mkFix(x_1, x_2, x_3, x_4, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_21, 1);
+lean_inc(x_23);
+lean_dec(x_21);
+x_24 = l_Lean_Elab_wfRecursion___lambda__1___closed__1;
+x_25 = l_Lean_Elab_wfRecursion___lambda__1___closed__2;
+lean_inc(x_13);
+lean_inc(x_12);
+x_26 = l_Lean_Core_transform___at_Lean_Core_betaReduce___spec__1(x_22, x_24, x_25, x_12, x_13, x_23);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+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 = lean_ctor_get(x_1, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get_uint8(x_1, sizeof(void*)*6);
+x_31 = lean_ctor_get(x_1, 1);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_1, 2);
+lean_inc(x_32);
+lean_dec(x_1);
+x_33 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_33, 0, x_29);
+lean_ctor_set(x_33, 1, x_31);
+lean_ctor_set(x_33, 2, x_32);
+lean_ctor_set(x_33, 3, x_5);
+lean_ctor_set(x_33, 4, x_6);
+lean_ctor_set(x_33, 5, x_27);
+lean_ctor_set_uint8(x_33, sizeof(void*)*6, x_30);
+x_34 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_28);
+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_dec(x_6);
-x_31 = !lean_is_exclusive(x_28);
-if (x_31 == 0)
+x_35 = !lean_is_exclusive(x_34);
+if (x_35 == 0)
 {
-return x_28;
+lean_object* x_36; 
+x_36 = lean_ctor_get(x_34, 0);
+lean_dec(x_36);
+lean_ctor_set(x_34, 0, x_33);
+return x_34;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_28, 0);
-x_33 = lean_ctor_get(x_28, 1);
-lean_inc(x_33);
+lean_object* x_37; lean_object* x_38; 
+x_37 = lean_ctor_get(x_34, 1);
+lean_inc(x_37);
+lean_dec(x_34);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_33);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
+}
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_39 = lean_ctor_get(x_26, 0);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_26, 1);
+lean_inc(x_40);
+lean_dec(x_26);
+x_41 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_40);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_42 = !lean_is_exclusive(x_41);
+if (x_42 == 0)
+{
+lean_object* x_43; 
+x_43 = lean_ctor_get(x_41, 0);
+lean_dec(x_43);
+lean_ctor_set_tag(x_41, 1);
+lean_ctor_set(x_41, 0, x_39);
+return x_41;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; 
+x_44 = lean_ctor_get(x_41, 1);
+lean_inc(x_44);
+lean_dec(x_41);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_39);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
+}
+}
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_46 = lean_ctor_get(x_21, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_21, 1);
+lean_inc(x_47);
+lean_dec(x_21);
+x_48 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_47);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_49 = !lean_is_exclusive(x_48);
+if (x_49 == 0)
+{
+lean_object* x_50; 
+x_50 = lean_ctor_get(x_48, 0);
+lean_dec(x_50);
+lean_ctor_set_tag(x_48, 1);
+lean_ctor_set(x_48, 0, x_46);
+return x_48;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_ctor_get(x_48, 1);
+lean_inc(x_51);
+lean_dec(x_48);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_46);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
+}
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+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_53 = lean_ctor_get(x_19, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_19, 1);
+lean_inc(x_54);
+lean_dec(x_19);
+x_55 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_54);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set_tag(x_55, 1);
+lean_ctor_set(x_55, 0, x_53);
+return x_55;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
+lean_inc(x_58);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_59, 0, x_53);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("wfRel: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_wfRecursion___lambda__2___closed__1;
+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) {
+_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_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_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_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);
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_37, 3);
+lean_inc(x_38);
+lean_dec(x_37);
+x_39 = lean_ctor_get_uint8(x_38, sizeof(void*)*1);
+lean_dec(x_38);
+if (x_39 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+x_40 = lean_ctor_get(x_36, 1);
+lean_inc(x_40);
+lean_dec(x_36);
+x_41 = 0;
+x_22 = x_41;
+x_23 = x_40;
+goto block_35;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
+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_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = lean_unbox(x_44);
+lean_dec(x_44);
+x_22 = x_46;
+x_23 = x_45;
+goto block_35;
+}
+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);
+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);
+x_26 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_26, 0, x_20);
+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);
+lean_ctor_set(x_28, 1, x_26);
+x_29 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
+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_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
-lean_dec(x_28);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
+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);
+lean_dec(x_32);
 return x_34;
 }
 }
 }
 else
 {
-uint8_t x_35; 
-lean_dec(x_14);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-x_35 = !lean_is_exclusive(x_20);
-if (x_35 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_20, 0);
-x_37 = lean_ctor_get(x_20, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_20);
-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_14);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-x_39 = !lean_is_exclusive(x_18);
-if (x_39 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_18, 0);
-x_41 = lean_ctor_get(x_18, 1);
-lean_inc(x_41);
-lean_inc(x_40);
+uint8_t x_47; 
 lean_dec(x_18);
-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_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_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_47 = !lean_is_exclusive(x_19);
+if (x_47 == 0)
+{
+return x_19;
 }
 else
 {
-uint8_t x_43; 
+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);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_19);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__3(size_t x_1, size_t 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) {
+_start:
+{
+lean_object* x_14; 
+lean_inc(x_12);
+lean_inc(x_11);
+x_14 = l_Array_mapMUnsafe_map___at_Lean_Elab_addAndCompileUnsafe___spec__1(x_1, x_2, x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; uint8_t x_17; uint8_t x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = 0;
+x_18 = 1;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_4);
+x_19 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux(x_4, x_17, x_18, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_19, 1);
+lean_inc(x_20);
+lean_dec(x_19);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_4);
+lean_inc(x_15);
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(x_15, x_4, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; lean_object* x_28; lean_object* x_29; 
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_ctor_get(x_4, 3);
+lean_inc(x_23);
+lean_dec(x_4);
+lean_inc(x_15);
+x_24 = l_Lean_Elab_WF_registerEqnsInfo(x_15, x_23, x_11, x_12, x_22);
+x_25 = lean_ctor_get(x_24, 1);
+lean_inc(x_25);
+lean_dec(x_24);
+x_26 = lean_array_get_size(x_15);
+x_27 = lean_usize_of_nat(x_26);
+lean_dec(x_26);
+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);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_29, 1);
+lean_inc(x_30);
+lean_dec(x_29);
+x_31 = l_Lean_Elab_addAndCompilePartialRec(x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_30);
+return x_31;
+}
+else
+{
+uint8_t x_32; 
+lean_dec(x_15);
+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_6);
-lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_13);
-if (x_43 == 0)
+x_32 = !lean_is_exclusive(x_29);
+if (x_32 == 0)
 {
-return x_13;
+return x_29;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_13, 0);
-x_45 = lean_ctor_get(x_13, 1);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_29);
+x_35 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+return x_35;
+}
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_15);
+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_4);
+x_36 = !lean_is_exclusive(x_21);
+if (x_36 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_21, 0);
+x_38 = lean_ctor_get(x_21, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_21);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+}
+else
+{
+uint8_t x_40; 
+lean_dec(x_15);
+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_4);
+x_40 = !lean_is_exclusive(x_19);
+if (x_40 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_19, 0);
+x_42 = lean_ctor_get(x_19, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_19);
+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_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_4);
+x_44 = !lean_is_exclusive(x_14);
+if (x_44 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 1);
+lean_inc(x_46);
 lean_inc(x_45);
-lean_inc(x_44);
-lean_dec(x_13);
-x_46 = lean_alloc_ctor(1, 2, 0);
+lean_dec(x_14);
+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;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(">> ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_wfRecursion___lambda__4___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(" :=\n");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_wfRecursion___lambda__4___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_wfRecursion___lambda__4___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) {
+_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_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)
+{
+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_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_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:
+{
+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);
-return x_46;
+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_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_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_object* x_77; lean_object* x_78; 
+x_77 = lean_ctor_get(x_74, 1);
+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;
+}
+}
+}
+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);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_24, 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_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_82 = !lean_is_exclusive(x_81);
+if (x_82 == 0)
+{
+lean_object* x_83; 
+x_83 = lean_ctor_get(x_81, 0);
+lean_dec(x_83);
+lean_ctor_set_tag(x_81, 1);
+lean_ctor_set(x_81, 0, x_79);
+return x_81;
+}
+else
+{
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_81, 1);
+lean_inc(x_84);
+lean_dec(x_81);
+x_85 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_85, 0, x_79);
+lean_ctor_set(x_85, 1, x_84);
+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_ctor_set(x_92, 1, x_91);
+return x_92;
 }
 }
 }
@@ -1870,7 +4951,7 @@ static lean_object* _init_l_Lean_Elab_wfRecursion___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string(">> ");
+x_1 = lean_mk_string("fixed prefix: ");
 return x_1;
 }
 }
@@ -1883,491 +4964,130 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_wfRecursion___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string(" :=\n");
-return x_1;
-}
-}
-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___closed__3;
-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; 
-x_11 = lean_array_get_size(x_1);
-x_12 = lean_usize_of_nat(x_11);
+lean_object* x_11; 
+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)
+{
+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_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_17 = lean_ctor_get(x_15, 0);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_box(0);
-lean_inc(x_8);
-x_19 = l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__1(x_1, x_12, x_13, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_1);
-x_21 = l_Lean_Elab_WF_packDomain(x_1, x_6, x_7, x_8, x_9, x_20);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-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);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_24 = l_Lean_Elab_WF_packMutual(x_22, x_6, x_7, x_8, x_9, x_23);
-if (lean_obj_tag(x_24) == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-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_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_26);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-lean_dec(x_27);
-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_25);
-lean_inc(x_1);
-x_29 = l_Lean_Elab_WF_elabWFRel(x_1, x_25, x_2, x_4, x_5, x_6, x_7, x_8, x_9, 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; lean_object* x_35; lean_object* x_36; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-lean_dec(x_29);
-x_32 = lean_st_ref_get(x_9, x_31);
-x_33 = lean_ctor_get(x_32, 0);
+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);
-x_34 = lean_ctor_get(x_32, 1);
-lean_inc(x_34);
 lean_dec(x_32);
-x_35 = lean_ctor_get(x_33, 0);
-lean_inc(x_35);
+x_34 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
 lean_dec(x_33);
-lean_inc(x_8);
-x_36 = l_Lean_Elab_addAsAxiom(x_25, x_6, x_7, x_8, x_9, x_34);
-if (lean_obj_tag(x_36) == 0)
+if (x_34 == 0)
 {
-lean_object* x_37; lean_object* x_38; 
-x_37 = lean_ctor_get(x_36, 1);
+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;
+}
+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_36);
-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_38 = l_Lean_Elab_WF_mkFix(x_25, x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_37);
-if (lean_obj_tag(x_38) == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+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 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_35, x_4, x_5, x_6, x_7, x_8, x_9, x_40);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-lean_inc(x_9);
-lean_inc(x_8);
-x_43 = l_Lean_Elab_eraseRecAppSyntax(x_39, x_8, x_9, x_42);
-if (lean_obj_tag(x_43) == 0)
+x_41 = lean_unbox(x_39);
+lean_dec(x_39);
+x_15 = x_41;
+x_16 = x_40;
+goto block_30;
+}
+block_30:
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; lean_object* x_48; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_46 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6;
-x_66 = lean_st_ref_get(x_9, x_45);
-x_67 = lean_ctor_get(x_66, 0);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_67, 3);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_ctor_get_uint8(x_68, sizeof(void*)*1);
-lean_dec(x_68);
-if (x_69 == 0)
+if (x_15 == 0)
 {
-lean_object* x_70; uint8_t x_71; 
-x_70 = lean_ctor_get(x_66, 1);
-lean_inc(x_70);
-lean_dec(x_66);
-x_71 = 0;
-x_47 = x_71;
-x_48 = x_70;
-goto block_65;
+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_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; 
-x_72 = lean_ctor_get(x_66, 1);
-lean_inc(x_72);
-lean_dec(x_66);
-x_73 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_46, x_4, x_5, x_6, x_7, x_8, x_9, x_72);
-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_unbox(x_74);
-lean_dec(x_74);
-x_47 = x_76;
-x_48 = x_75;
-goto block_65;
-}
-block_65:
-{
-if (x_47 == 0)
-{
-lean_object* x_49; 
-x_49 = l_Lean_Elab_wfRecursion___lambda__1(x_12, x_13, x_1, x_44, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_48);
-return x_49;
-}
-else
-{
-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; lean_object* x_64; 
-x_50 = lean_ctor_get(x_44, 3);
-lean_inc(x_50);
-x_51 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_51, 0, x_50);
-x_52 = l_Lean_Elab_wfRecursion___closed__2;
-x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-x_54 = l_Lean_Elab_wfRecursion___closed__4;
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = lean_ctor_get(x_44, 5);
-lean_inc(x_56);
-x_57 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_57, 0, x_56);
-x_58 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_58, 0, x_55);
-lean_ctor_set(x_58, 1, x_57);
-x_59 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8;
-x_60 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-x_61 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_46, x_60, x_4, x_5, x_6, x_7, x_8, x_9, x_48);
-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_Lean_Elab_wfRecursion___lambda__1(x_12, x_13, x_1, x_44, x_62, x_4, x_5, x_6, x_7, x_8, x_9, x_63);
-lean_dec(x_62);
-return x_64;
-}
-}
-}
-else
-{
-uint8_t x_77; 
-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_77 = !lean_is_exclusive(x_43);
-if (x_77 == 0)
-{
-return x_43;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_43, 0);
-x_79 = lean_ctor_get(x_43, 1);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_dec(x_43);
-x_80 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-return x_80;
-}
-}
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
-lean_dec(x_1);
-x_81 = lean_ctor_get(x_38, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_38, 1);
-lean_inc(x_82);
-lean_dec(x_38);
-x_83 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_35, x_4, x_5, x_6, x_7, x_8, x_9, x_82);
-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_84 = !lean_is_exclusive(x_83);
-if (x_84 == 0)
-{
-lean_object* x_85; 
-x_85 = lean_ctor_get(x_83, 0);
-lean_dec(x_85);
-lean_ctor_set_tag(x_83, 1);
-lean_ctor_set(x_83, 0, x_81);
-return x_83;
-}
-else
-{
-lean_object* x_86; lean_object* x_87; 
-x_86 = lean_ctor_get(x_83, 1);
-lean_inc(x_86);
-lean_dec(x_83);
-x_87 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_87, 0, x_81);
-lean_ctor_set(x_87, 1, x_86);
-return x_87;
-}
-}
-}
-else
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
-lean_dec(x_30);
-lean_dec(x_25);
-lean_dec(x_3);
-lean_dec(x_1);
-x_88 = lean_ctor_get(x_36, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_36, 1);
-lean_inc(x_89);
-lean_dec(x_36);
-x_90 = l_Lean_setEnv___at_Lean_Elab_Term_evalExpr___spec__1(x_35, x_4, x_5, x_6, x_7, x_8, x_9, x_89);
-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_91 = !lean_is_exclusive(x_90);
-if (x_91 == 0)
-{
-lean_object* x_92; 
-x_92 = lean_ctor_get(x_90, 0);
-lean_dec(x_92);
-lean_ctor_set_tag(x_90, 1);
-lean_ctor_set(x_90, 0, x_88);
-return x_90;
-}
-else
-{
-lean_object* x_93; lean_object* x_94; 
-x_93 = lean_ctor_get(x_90, 1);
-lean_inc(x_93);
-lean_dec(x_90);
-x_94 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_94, 0, x_88);
-lean_ctor_set(x_94, 1, x_93);
-return x_94;
-}
-}
-}
-else
-{
-uint8_t x_95; 
-lean_dec(x_25);
-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_1);
-x_95 = !lean_is_exclusive(x_29);
-if (x_95 == 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_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
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_96 = lean_ctor_get(x_29, 0);
-x_97 = lean_ctor_get(x_29, 1);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_29);
-x_98 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_98, 0, x_96);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
-}
 }
 }
 else
 {
-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_24, 0);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_24, 1);
-lean_inc(x_100);
-lean_dec(x_24);
-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);
+uint8_t x_42; 
 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_102 = !lean_is_exclusive(x_101);
-if (x_102 == 0)
-{
-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_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_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_106 = lean_ctor_get(x_21, 0);
-lean_inc(x_106);
-x_107 = lean_ctor_get(x_21, 1);
-lean_inc(x_107);
-lean_dec(x_21);
-x_108 = 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_107);
-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_109 = !lean_is_exclusive(x_108);
-if (x_109 == 0)
+x_42 = !lean_is_exclusive(x_11);
+if (x_42 == 0)
 {
-lean_object* x_110; 
-x_110 = lean_ctor_get(x_108, 0);
-lean_dec(x_110);
-lean_ctor_set_tag(x_108, 1);
-lean_ctor_set(x_108, 0, x_106);
-return x_108;
+return x_11;
 }
 else
 {
-lean_object* x_111; lean_object* x_112; 
-x_111 = lean_ctor_get(x_108, 1);
-lean_inc(x_111);
-lean_dec(x_108);
-x_112 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_112, 0, x_106);
-lean_ctor_set(x_112, 1, x_111);
-return x_112;
-}
-}
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_113 = lean_ctor_get(x_19, 0);
-lean_inc(x_113);
-x_114 = lean_ctor_get(x_19, 1);
-lean_inc(x_114);
-lean_dec(x_19);
-x_115 = 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_114);
-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_116 = !lean_is_exclusive(x_115);
-if (x_116 == 0)
-{
-lean_object* x_117; 
-x_117 = lean_ctor_get(x_115, 0);
-lean_dec(x_117);
-lean_ctor_set_tag(x_115, 1);
-lean_ctor_set(x_115, 0, x_113);
-return x_115;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; 
-x_118 = lean_ctor_get(x_115, 1);
-lean_inc(x_118);
-lean_dec(x_115);
-x_119 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_119, 0, x_113);
-lean_ctor_set(x_119, 1, x_118);
-return x_119;
+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_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
@@ -2406,24 +5126,33 @@ lean_dec(x_1);
 return x_14;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-size_t x_13; size_t x_14; lean_object* x_15; 
-x_13 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_14 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_15 = l_Lean_Elab_wfRecursion___lambda__1(x_13, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
+lean_object* x_15; 
+x_15 = l_Lean_Elab_wfRecursion___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_7);
 return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_998_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___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_object* x_13) {
+_start:
+{
+size_t x_14; size_t x_15; lean_object* x_16; 
+x_14 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_15 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_16 = l_Lean_Elab_wfRecursion___lambda__3(x_14, x_15, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_6);
+return x_16;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_1950_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6;
+x_2 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -2465,8 +5194,6 @@ lean_dec_ref(res);
 res = initialize_Lean_Elab_PreDefinition_WF_Eqns(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___closed__1);
 l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__1 = _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__1();
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__1);
 l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__2 = _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__2();
@@ -2493,47 +5220,69 @@ l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_El
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__12);
 l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___closed__1);
-l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1 = _init_l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1();
-lean_mark_persistent(l_panic___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___lambda__2___closed__1);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__1();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__1);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__2);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__3);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__4);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__5);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__6);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__7);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__8);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__9);
-l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10();
-lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__2___closed__10);
-l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__1);
-l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2 = _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__2);
-l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3 = _init_l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___closed__3);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__1();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__1);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__2);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__3 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__3();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__1___closed__3);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___lambda__2___closed__1);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__1);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__2);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__3);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__4);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__5);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__6);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__7);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__9 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__9();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__9);
+l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10();
+lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__10);
+l_Lean_Elab_withCommonTelescope___rarg___closed__1 = _init_l_Lean_Elab_withCommonTelescope___rarg___closed__1();
+lean_mark_persistent(l_Lean_Elab_withCommonTelescope___rarg___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___lambda__2___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__2 = _init_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_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();
+lean_mark_persistent(l_Lean_Elab_wfRecursion___lambda__1___closed__2);
+l_Lean_Elab_wfRecursion___lambda__2___closed__1 = _init_l_Lean_Elab_wfRecursion___lambda__2___closed__1();
+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);
-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);
-res = l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_998_(lean_io_mk_world());
+res = l_Lean_Elab_initFn____x40_Lean_Elab_PreDefinition_WF_Main___hyg_1950_(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/PreDefinition/WF/PackDomain.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackDomain.c
index 4accb1df55..d8387c06e8 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackDomain.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackDomain.c
@@ -15,7 +15,7 @@ extern "C" {
 #endif
 LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__6___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain___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_Lean_Elab_WF_packDomain___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux___rarg(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
@@ -28,19 +28,19 @@ lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__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*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__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*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___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_name_mk_string(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__9;
 static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__8;
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__1(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications(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_WF_packDomain_packApplications(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_maxRecDepthErrorMessage;
 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_EXPORT uint8_t l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withIncRecDepth___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -62,7 +62,7 @@ lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__2___closed__1;
 lean_object* l_Lean_Expr_replaceFVars(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at_Lean_Elab_WF_packDomain___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications_visit___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__3(lean_object*);
@@ -73,7 +73,7 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkUnaryArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__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_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__4___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_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescope___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__5(lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
@@ -100,7 +100,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications_visit___lamb
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkUnaryArg_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications_visitApp(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_withIncRecDepth___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__11;
@@ -117,10 +117,10 @@ lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems___closed__1;
 lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_instInhabitedPreDefinition;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_packDomain_packApplications_visitApp___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___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_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_WF_packDomain___spec__4___boxed(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*);
@@ -129,7 +129,7 @@ lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_
 lean_object* l_Array_reverse___rarg(lean_object*);
 uint8_t l_Lean_Expr_isConst(lean_object*);
 uint8_t l_Array_isEmpty___rarg(lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___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_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___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* l_Std_HashMap_insert___at_Lean_MetavarContext_instantiateExprMVars___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescope___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packDomain_packApplications_visitApp___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -138,7 +138,7 @@ size_t lean_usize_of_nat(lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___closed__3;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_Elab_WF_packDomain___spec__3___lambda__2(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_WF_packDomain_packApplications_visit___spec__6(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkUnaryArg_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -154,7 +154,7 @@ static lean_object* l_Lean_Elab_WF_packDomain_packApplications___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packDomain_packApplications_visitApp___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go(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_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3(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_WF_packDomain___spec__3___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__5;
@@ -173,9 +173,8 @@ static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__2;
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_mkApp4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_WF_packDomain_packApplications_visit___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_st_ref_set(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3;
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___spec__1___closed__1;
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
@@ -196,14 +195,14 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f___boxed(lea
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkUnaryArg_go___closed__10;
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_MetavarContext_instantiateExprMVars___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___closed__2;
 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*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__1;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__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_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__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_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__2;
 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*);
 static lean_object* l_Lean_Elab_WF_packDomain_packApplications___lambda__1___closed__1;
@@ -229,10 +228,10 @@ lean_object* l_Lean_Meta_instInhabitedMetaM___boxed(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__3;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___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_Elab_WF_packDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___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*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain___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_Elab_WF_packDomain___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_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_WF_packDomain_packApplications_visitApp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems___spec__1___closed__1() {
 _start:
@@ -5061,144 +5060,109 @@ _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_Elab_WF_mkUnaryArg_go___closed__4;
 x_2 = l_Lean_Elab_WF_packDomain_packApplications___lambda__1___closed__1;
-x_3 = lean_unsigned_to_nat(119u);
+x_3 = lean_unsigned_to_nat(127u);
 x_4 = lean_unsigned_to_nat(49u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___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_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___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_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_9 = l_Lean_Expr_getAppFn(x_2);
-x_10 = l_Lean_Elab_instInhabitedPreDefinition;
-x_11 = lean_array_get(x_10, x_1, x_3);
-x_12 = lean_ctor_get(x_11, 3);
+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; 
+x_10 = l_Lean_Expr_getAppFn(x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = l_Lean_Expr_getAppNumArgsAux(x_3, x_11);
+x_13 = l_Lean_Elab_WF_packDomain_packApplications_visitApp___closed__1;
 lean_inc(x_12);
-lean_dec(x_11);
-x_13 = l_Lean_Expr_constLevels_x21(x_9);
-x_14 = l_Lean_mkConst(x_12, x_13);
+x_14 = lean_mk_array(x_12, x_13);
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_sub(x_12, x_15);
+lean_dec(x_12);
+x_17 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_3, x_14, x_16);
+x_18 = l_Lean_Elab_instInhabitedPreDefinition;
+x_19 = lean_array_get(x_18, x_1, x_4);
+x_20 = lean_ctor_get(x_19, 3);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = l_Lean_Expr_constLevels_x21(x_10);
+x_22 = l_Lean_mkConst(x_20, x_21);
+lean_inc(x_2);
+lean_inc(x_17);
+x_23 = l_Array_toSubarray___rarg(x_17, x_11, x_2);
+x_24 = l_Array_ofSubarray___rarg(x_23);
+x_25 = l_Lean_mkAppN(x_22, x_24);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_14);
-x_15 = lean_infer_type(x_14, x_4, x_5, x_6, x_7, x_8);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-if (lean_obj_tag(x_16) == 7)
-{
-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; 
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_unsigned_to_nat(0u);
-x_20 = l_Lean_Expr_getAppNumArgsAux(x_2, x_19);
-x_21 = l_Lean_Elab_WF_packDomain_packApplications_visitApp___closed__1;
-lean_inc(x_20);
-x_22 = lean_mk_array(x_20, x_21);
-x_23 = lean_unsigned_to_nat(1u);
-x_24 = lean_nat_sub(x_20, x_23);
-lean_dec(x_20);
-x_25 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_22, x_24);
-x_26 = l_Lean_Elab_WF_mkUnaryArg_go(x_25, x_19, x_18, x_4, x_5, x_6, x_7, x_17);
-lean_dec(x_18);
-lean_dec(x_25);
+lean_inc(x_25);
+x_26 = lean_infer_type(x_25, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_26) == 0)
 {
-uint8_t x_27; 
-x_27 = !lean_is_exclusive(x_26);
-if (x_27 == 0)
+lean_object* x_27; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+if (lean_obj_tag(x_27) == 7)
 {
-lean_object* x_28; lean_object* x_29; 
-x_28 = lean_ctor_get(x_26, 0);
-x_29 = l_Lean_mkApp(x_14, x_28);
-lean_ctor_set(x_26, 0, x_29);
-return x_26;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_26, 0);
-x_31 = lean_ctor_get(x_26, 1);
-lean_inc(x_31);
-lean_inc(x_30);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_28 = lean_ctor_get(x_26, 1);
+lean_inc(x_28);
 lean_dec(x_26);
-x_32 = l_Lean_mkApp(x_14, x_30);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-return x_33;
-}
-}
-else
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = lean_array_get_size(x_17);
+x_31 = l_Array_toSubarray___rarg(x_17, x_2, x_30);
+x_32 = l_Array_ofSubarray___rarg(x_31);
+x_33 = l_Lean_Elab_WF_mkUnaryArg_go(x_32, x_11, x_29, x_5, x_6, x_7, x_8, x_28);
+lean_dec(x_29);
+lean_dec(x_32);
+if (lean_obj_tag(x_33) == 0)
 {
 uint8_t x_34; 
-lean_dec(x_14);
-x_34 = !lean_is_exclusive(x_26);
+x_34 = !lean_is_exclusive(x_33);
 if (x_34 == 0)
 {
-return x_26;
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_33, 0);
+x_36 = l_Lean_mkApp(x_25, x_35);
+lean_ctor_set(x_33, 0, x_36);
+return x_33;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_26, 0);
-x_36 = lean_ctor_get(x_26, 1);
-lean_inc(x_36);
-lean_inc(x_35);
-lean_dec(x_26);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-return x_37;
-}
-}
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-lean_dec(x_16);
-lean_dec(x_14);
-lean_dec(x_2);
-x_38 = lean_ctor_get(x_15, 1);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_37 = lean_ctor_get(x_33, 0);
+x_38 = lean_ctor_get(x_33, 1);
 lean_inc(x_38);
-lean_dec(x_15);
-x_39 = l_Lean_Elab_WF_packDomain_packApplications___lambda__1___closed__2;
-x_40 = l_panic___at_Lean_Meta_whnfCore___spec__1(x_39, x_4, x_5, x_6, x_7, x_38);
+lean_inc(x_37);
+lean_dec(x_33);
+x_39 = l_Lean_mkApp(x_25, x_37);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_38);
 return x_40;
 }
 }
 else
 {
 uint8_t x_41; 
-lean_dec(x_14);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_41 = !lean_is_exclusive(x_15);
+lean_dec(x_25);
+x_41 = !lean_is_exclusive(x_33);
 if (x_41 == 0)
 {
-return x_15;
+return x_33;
 }
 else
 {
 lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_15, 0);
-x_43 = lean_ctor_get(x_15, 1);
+x_42 = lean_ctor_get(x_33, 0);
+x_43 = lean_ctor_get(x_33, 1);
 lean_inc(x_43);
 lean_inc(x_42);
-lean_dec(x_15);
+lean_dec(x_33);
 x_44 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_44, 0, x_42);
 lean_ctor_set(x_44, 1, x_43);
@@ -5206,6 +5170,51 @@ return x_44;
 }
 }
 }
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_27);
+lean_dec(x_25);
+lean_dec(x_17);
+lean_dec(x_2);
+x_45 = lean_ctor_get(x_26, 1);
+lean_inc(x_45);
+lean_dec(x_26);
+x_46 = l_Lean_Elab_WF_packDomain_packApplications___lambda__1___closed__2;
+x_47 = l_panic___at_Lean_Meta_whnfCore___spec__1(x_46, x_5, x_6, x_7, x_8, x_45);
+return x_47;
+}
+}
+else
+{
+uint8_t x_48; 
+lean_dec(x_25);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+x_48 = !lean_is_exclusive(x_26);
+if (x_48 == 0)
+{
+return x_26;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_26, 0);
+x_50 = lean_ctor_get(x_26, 1);
+lean_inc(x_50);
+lean_inc(x_49);
+lean_dec(x_26);
+x_51 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+return x_51;
+}
+}
+}
 }
 static lean_object* _init_l_Lean_Elab_WF_packDomain_packApplications___closed__1() {
 _start:
@@ -5216,96 +5225,97 @@ x_2 = l_Std_mkHashMapImp___rarg(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications(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_Elab_WF_packDomain_packApplications(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_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_10 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packDomain_packApplications___lambda__1___boxed), 8, 1);
-lean_closure_set(x_10, 0, x_4);
-x_11 = lean_st_ref_get(x_8, x_9);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = l_Lean_Elab_WF_packDomain_packApplications___closed__1;
-x_14 = lean_st_mk_ref(x_13, x_12);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+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_11 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packDomain_packApplications___lambda__1___boxed), 9, 2);
+lean_closure_set(x_11, 0, x_5);
+lean_closure_set(x_11, 1, x_1);
+x_12 = lean_st_ref_get(x_9, x_10);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Lean_Elab_WF_packDomain_packApplications___closed__1;
+x_15 = lean_st_mk_ref(x_14, x_13);
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-lean_inc(x_8);
-lean_inc(x_15);
-x_17 = l_Lean_Elab_WF_packDomain_packApplications_visit(x_1, x_3, x_10, x_2, x_15, x_5, x_6, x_7, x_8, x_16);
-if (lean_obj_tag(x_17) == 0)
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+lean_inc(x_9);
+lean_inc(x_16);
+x_18 = l_Lean_Elab_WF_packDomain_packApplications_visit(x_2, x_4, x_11, x_3, x_16, x_6, x_7, x_8, x_9, x_17);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
-lean_dec(x_17);
-x_20 = lean_st_ref_get(x_8, x_19);
-lean_dec(x_8);
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_st_ref_get(x_15, x_21);
-lean_dec(x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_st_ref_get(x_9, x_20);
+lean_dec(x_9);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_st_ref_get(x_16, x_22);
+lean_dec(x_16);
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
 {
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-lean_ctor_set(x_22, 0, x_18);
-return x_22;
+lean_object* x_25; 
+x_25 = lean_ctor_get(x_23, 0);
+lean_dec(x_25);
+lean_ctor_set(x_23, 0, x_19);
+return x_23;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_22, 1);
-lean_inc(x_25);
-lean_dec(x_22);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_18);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
+lean_object* x_26; lean_object* x_27; 
+x_26 = lean_ctor_get(x_23, 1);
+lean_inc(x_26);
+lean_dec(x_23);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_19);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
 }
 }
 else
 {
-uint8_t x_27; 
-lean_dec(x_15);
-lean_dec(x_8);
-x_27 = !lean_is_exclusive(x_17);
-if (x_27 == 0)
+uint8_t x_28; 
+lean_dec(x_16);
+lean_dec(x_9);
+x_28 = !lean_is_exclusive(x_18);
+if (x_28 == 0)
 {
-return x_17;
+return x_18;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_17, 0);
-x_29 = lean_ctor_get(x_17, 1);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_18, 0);
+x_30 = lean_ctor_get(x_18, 1);
+lean_inc(x_30);
 lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_17);
-x_30 = lean_alloc_ctor(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_18);
+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;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___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_EXPORT lean_object* l_Lean_Elab_WF_packDomain_packApplications___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_9; 
-x_9 = l_Lean_Elab_WF_packDomain_packApplications___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_3);
+lean_object* x_10; 
+x_10 = l_Lean_Elab_WF_packDomain_packApplications___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_9;
+return x_10;
 }
 }
 static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__1___closed__1() {
@@ -5558,293 +5568,105 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; 
-lean_inc(x_6);
-x_12 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems(x_6, x_1);
-x_13 = l_Lean_Expr_replaceFVars(x_2, x_3, x_12);
-lean_dec(x_12);
-x_14 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___closed__1;
-x_15 = lean_array_push(x_14, x_6);
-x_16 = 0;
-x_17 = 1;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; uint8_t x_18; lean_object* x_19; 
+x_13 = lean_array_get_size(x_1);
 lean_inc(x_7);
-x_18 = l_Lean_Meta_mkForallFVars(x_15, x_13, x_16, x_17, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_18) == 0)
+x_14 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkTupleElems(x_7, x_13);
+lean_dec(x_13);
+x_15 = l_Lean_Expr_replaceFVars(x_2, x_1, x_14);
+lean_dec(x_14);
+x_16 = lean_array_push(x_3, x_7);
+x_17 = 0;
+x_18 = 1;
+lean_inc(x_8);
+x_19 = l_Lean_Meta_mkForallFVars(x_16, x_15, x_17, x_18, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(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_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_18, 1);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
-lean_dec(x_18);
-x_21 = lean_ctor_get(x_4, 0);
-x_22 = lean_ctor_get_uint8(x_4, sizeof(void*)*6);
-x_23 = lean_ctor_get(x_4, 1);
-x_24 = lean_ctor_get(x_4, 2);
-x_25 = lean_ctor_get(x_4, 3);
-x_26 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__1___closed__2;
-x_27 = l_Lean_Name_append(x_25, x_26);
-lean_inc(x_24);
-lean_inc(x_23);
+x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
-x_28 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_28, 0, x_21);
-lean_ctor_set(x_28, 1, x_23);
-lean_ctor_set(x_28, 2, x_24);
-lean_ctor_set(x_28, 3, x_27);
-lean_ctor_set(x_28, 4, x_19);
-lean_ctor_set(x_28, 5, x_5);
-lean_ctor_set_uint8(x_28, sizeof(void*)*6, x_22);
-x_29 = l_Lean_Elab_addAsAxiom(x_28, x_7, x_8, x_9, x_10, x_20);
-lean_dec(x_7);
-if (lean_obj_tag(x_29) == 0)
+lean_dec(x_19);
+x_22 = lean_ctor_get(x_4, 0);
+x_23 = lean_ctor_get_uint8(x_4, sizeof(void*)*6);
+x_24 = lean_ctor_get(x_4, 1);
+x_25 = lean_ctor_get(x_4, 2);
+x_26 = lean_ctor_get(x_4, 3);
+x_27 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__1___closed__2;
+x_28 = l_Lean_Name_append(x_26, x_27);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_inc(x_22);
+x_29 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_29, 0, x_22);
+lean_ctor_set(x_29, 1, x_24);
+lean_ctor_set(x_29, 2, x_25);
+lean_ctor_set(x_29, 3, x_28);
+lean_ctor_set(x_29, 4, x_20);
+lean_ctor_set(x_29, 5, x_5);
+lean_ctor_set_uint8(x_29, sizeof(void*)*6, x_23);
+x_30 = l_Lean_Elab_addAsAxiom(x_29, x_8, x_9, x_10, x_11, x_21);
+lean_dec(x_8);
+if (lean_obj_tag(x_30) == 0)
 {
-uint8_t x_30; 
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
+uint8_t x_31; 
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_29, 0);
-lean_dec(x_31);
-x_32 = lean_box(x_17);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_1);
-lean_ctor_set(x_33, 1, x_32);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+x_33 = lean_box(x_18);
 x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 0, x_6);
 lean_ctor_set(x_34, 1, x_33);
-lean_ctor_set(x_29, 0, x_34);
-return x_29;
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_29);
+lean_ctor_set(x_35, 1, x_34);
+lean_ctor_set(x_30, 0, x_35);
+return x_30;
 }
 else
 {
-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_29, 1);
-lean_inc(x_35);
-lean_dec(x_29);
-x_36 = lean_box(x_17);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_1);
-lean_ctor_set(x_37, 1, x_36);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_36 = lean_ctor_get(x_30, 1);
+lean_inc(x_36);
+lean_dec(x_30);
+x_37 = lean_box(x_18);
 x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_28);
+lean_ctor_set(x_38, 0, x_6);
 lean_ctor_set(x_38, 1, x_37);
 x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_35);
-return x_39;
-}
-}
-else
-{
-uint8_t x_40; 
-lean_dec(x_28);
-lean_dec(x_1);
-x_40 = !lean_is_exclusive(x_29);
-if (x_40 == 0)
-{
-return x_29;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_29, 0);
-x_42 = lean_ctor_get(x_29, 1);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_29);
-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_9);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_18);
-if (x_44 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_18, 0);
-x_46 = lean_ctor_get(x_18, 1);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_18);
-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;
-}
-}
-}
-}
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = lean_unsigned_to_nat(1u);
-x_2 = 0;
-x_3 = lean_box(x_2);
-x_4 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_4, 0, x_1);
-lean_ctor_set(x_4, 1, x_3);
-return x_4;
-}
-}
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("_x");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_array_get_size(x_1);
-x_11 = lean_unsigned_to_nat(1u);
-x_12 = lean_nat_dec_lt(x_11, x_10);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_13 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1;
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_2);
-lean_ctor_set(x_14, 1, 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; 
-x_16 = lean_ctor_get(x_2, 4);
-lean_inc(x_16);
-x_17 = lean_unsigned_to_nat(0u);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_18 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_1, x_17, x_16, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_18, 1);
-lean_inc(x_20);
-lean_dec(x_18);
-x_21 = l_Lean_instInhabitedExpr;
-x_22 = l_Array_back___rarg(x_21, x_1);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_23 = lean_infer_type(x_22, x_5, x_6, x_7, x_8, x_20);
-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; size_t x_29; size_t 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);
-lean_inc(x_1);
-x_26 = lean_array_pop(x_1);
-x_27 = l_Array_reverse___rarg(x_26);
-x_28 = lean_array_get_size(x_27);
-x_29 = lean_usize_of_nat(x_28);
-lean_dec(x_28);
-x_30 = 0;
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_31 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__1(x_27, x_29, x_30, x_24, x_5, x_6, x_7, x_8, x_25);
-lean_dec(x_27);
-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; uint8_t x_39; lean_object* x_40; 
-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_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3;
-x_35 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_34, x_7, x_8, x_33);
-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_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__1___boxed), 11, 5);
-lean_closure_set(x_38, 0, x_10);
-lean_closure_set(x_38, 1, x_19);
-lean_closure_set(x_38, 2, x_1);
-lean_closure_set(x_38, 3, x_2);
-lean_closure_set(x_38, 4, x_3);
-x_39 = 0;
-x_40 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_36, x_39, x_32, x_38, x_5, x_6, x_7, x_8, x_37);
+lean_ctor_set(x_39, 0, x_29);
+lean_ctor_set(x_39, 1, x_38);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_36);
 return x_40;
 }
+}
 else
 {
 uint8_t x_41; 
-lean_dec(x_19);
-lean_dec(x_10);
-lean_dec(x_8);
-lean_dec(x_7);
+lean_dec(x_29);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_41 = !lean_is_exclusive(x_31);
+x_41 = !lean_is_exclusive(x_30);
 if (x_41 == 0)
 {
-return x_31;
+return x_30;
 }
 else
 {
 lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_31, 0);
-x_43 = lean_ctor_get(x_31, 1);
+x_42 = lean_ctor_get(x_30, 0);
+x_43 = lean_ctor_get(x_30, 1);
 lean_inc(x_43);
 lean_inc(x_42);
-lean_dec(x_31);
+lean_dec(x_30);
 x_44 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_44, 0, x_42);
 lean_ctor_set(x_44, 1, x_43);
@@ -5855,28 +5677,23 @@ return x_44;
 else
 {
 uint8_t x_45; 
-lean_dec(x_19);
 lean_dec(x_10);
 lean_dec(x_8);
-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_45 = !lean_is_exclusive(x_23);
+x_45 = !lean_is_exclusive(x_19);
 if (x_45 == 0)
 {
-return x_23;
+return x_19;
 }
 else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_23, 0);
-x_47 = lean_ctor_get(x_23, 1);
+x_46 = lean_ctor_get(x_19, 0);
+x_47 = lean_ctor_get(x_19, 1);
 lean_inc(x_47);
 lean_inc(x_46);
-lean_dec(x_23);
+lean_dec(x_19);
 x_48 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_48, 0, x_46);
 lean_ctor_set(x_48, 1, x_47);
@@ -5884,34 +5701,232 @@ return x_48;
 }
 }
 }
-else
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1() {
+_start:
 {
-uint8_t x_49; 
-lean_dec(x_10);
+lean_object* x_1; 
+x_1 = lean_mk_string("_x");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_11 = lean_array_get_size(x_1);
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_add(x_2, x_12);
+x_14 = lean_nat_dec_lt(x_13, x_11);
+lean_dec(x_13);
+if (x_14 == 0)
+{
+uint8_t x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
+lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_49 = !lean_is_exclusive(x_18);
-if (x_49 == 0)
-{
-return x_18;
+x_15 = 0;
+x_16 = lean_box(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_11);
+lean_ctor_set(x_17, 1, x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_3);
+lean_ctor_set(x_18, 1, 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_10);
+return x_19;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_18, 0);
-x_51 = lean_ctor_get(x_18, 1);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_3, 4);
+lean_inc(x_20);
+x_21 = lean_unsigned_to_nat(0u);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_22 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_1, x_21, x_20, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l_Lean_instInhabitedExpr;
+x_26 = l_Array_back___rarg(x_25, x_1);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_27 = lean_infer_type(x_26, x_6, x_7, x_8, x_9, x_24);
+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; lean_object* x_36; lean_object* x_37; size_t x_38; size_t x_39; lean_object* x_40; 
+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);
+lean_inc(x_2);
+lean_inc(x_1);
+x_30 = l_Array_toSubarray___rarg(x_1, x_21, x_2);
+x_31 = l_Array_ofSubarray___rarg(x_30);
+x_32 = lean_array_get_size(x_1);
+x_33 = l_Array_toSubarray___rarg(x_1, x_2, x_32);
+x_34 = l_Array_ofSubarray___rarg(x_33);
+lean_inc(x_34);
+x_35 = lean_array_pop(x_34);
+x_36 = l_Array_reverse___rarg(x_35);
+x_37 = lean_array_get_size(x_36);
+x_38 = lean_usize_of_nat(x_37);
+lean_dec(x_37);
+x_39 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_40 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__1(x_36, x_38, x_39, x_28, x_6, x_7, x_8, x_9, x_29);
+lean_dec(x_36);
+if (lean_obj_tag(x_40) == 0)
+{
+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; uint8_t x_48; lean_object* x_49; 
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+lean_dec(x_40);
+x_43 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2;
+x_44 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_43, x_8, x_9, x_42);
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 1);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__1___boxed), 12, 6);
+lean_closure_set(x_47, 0, x_34);
+lean_closure_set(x_47, 1, x_23);
+lean_closure_set(x_47, 2, x_31);
+lean_closure_set(x_47, 3, x_3);
+lean_closure_set(x_47, 4, x_4);
+lean_closure_set(x_47, 5, x_11);
+x_48 = 0;
+x_49 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_45, x_48, x_41, x_47, x_6, x_7, x_8, x_9, x_46);
+return x_49;
+}
+else
+{
+uint8_t x_50; 
+lean_dec(x_34);
+lean_dec(x_31);
+lean_dec(x_23);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+x_50 = !lean_is_exclusive(x_40);
+if (x_50 == 0)
+{
+return x_40;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_51 = lean_ctor_get(x_40, 0);
+x_52 = lean_ctor_get(x_40, 1);
+lean_inc(x_52);
 lean_inc(x_51);
-lean_inc(x_50);
-lean_dec(x_18);
-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;
+lean_dec(x_40);
+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
+{
+uint8_t x_54; 
+lean_dec(x_23);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_54 = !lean_is_exclusive(x_27);
+if (x_54 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_27, 0);
+x_56 = lean_ctor_get(x_27, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_27);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_58 = !lean_is_exclusive(x_22);
+if (x_58 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_22, 0);
+x_60 = lean_ctor_get(x_22, 1);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_22);
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
 }
 }
@@ -5938,7 +5953,7 @@ static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain_
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("' does not take any arguments");
+x_1 = lean_mk_string("' does not take any (non-fixed) arguments");
 return x_1;
 }
 }
@@ -5951,30 +5966,30 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-lean_dec(x_4);
-x_10 = lean_array_get_size(x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_nat_dec_eq(x_10, x_11);
-lean_dec(x_10);
+lean_object* x_11; uint8_t x_12; 
+lean_dec(x_5);
+x_11 = lean_array_get_size(x_4);
+x_12 = lean_nat_dec_eq(x_11, x_1);
+lean_dec(x_11);
 if (x_12 == 0)
 {
 lean_object* x_13; lean_object* x_14; 
 x_13 = lean_box(0);
-x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2(x_3, x_1, x_2, x_13, x_5, x_6, x_7, x_8, x_9);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2(x_4, x_1, x_2, x_3, x_13, x_6, x_7, x_8, x_9, x_10);
 return x_14;
 }
 else
 {
 lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
+lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-x_15 = lean_ctor_get(x_1, 3);
-lean_inc(x_15);
 lean_dec(x_1);
+x_15 = lean_ctor_get(x_2, 3);
+lean_inc(x_15);
+lean_dec(x_2);
 x_16 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_16, 0, x_15);
 x_17 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__2;
@@ -5985,11 +6000,11 @@ x_19 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda_
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
-x_21 = l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1(x_20, x_5, x_6, x_7, x_8, x_9);
+x_21 = l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1(x_20, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
 x_22 = !lean_is_exclusive(x_21);
 if (x_22 == 0)
 {
@@ -6011,133 +6026,137 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(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_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(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_10; 
-x_10 = lean_usize_dec_lt(x_3, x_2);
-if (x_10 == 0)
+uint8_t x_11; 
+x_11 = lean_usize_dec_lt(x_4, x_3);
+if (x_11 == 0)
 {
-lean_object* x_11; 
+lean_object* x_12; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_4);
-lean_ctor_set(x_11, 1, x_9);
-return x_11;
+lean_dec(x_1);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_5);
+lean_ctor_set(x_12, 1, x_10);
+return x_12;
 }
 else
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_12 = lean_array_uget(x_1, x_3);
-x_13 = lean_ctor_get(x_4, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_4, 1);
+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; 
+x_13 = lean_array_uget(x_2, x_4);
+x_14 = lean_ctor_get(x_5, 0);
 lean_inc(x_14);
-lean_dec(x_4);
-x_15 = lean_ctor_get(x_14, 0);
+x_15 = lean_ctor_get(x_5, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+lean_dec(x_5);
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-x_17 = lean_ctor_get(x_12, 5);
+x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
-lean_inc(x_17);
-x_18 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3), 9, 2);
-lean_closure_set(x_18, 0, x_12);
-lean_closure_set(x_18, 1, x_17);
+lean_dec(x_15);
+x_18 = lean_ctor_get(x_13, 5);
+lean_inc(x_18);
+lean_inc(x_18);
+lean_inc(x_1);
+x_19 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3), 10, 3);
+lean_closure_set(x_19, 0, x_1);
+lean_closure_set(x_19, 1, x_13);
+lean_closure_set(x_19, 2, x_18);
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_19 = l_Lean_Meta_lambdaTelescope___at_Lean_Elab_WF_packDomain___spec__2___rarg(x_17, x_18, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_19) == 0)
+x_20 = l_Lean_Meta_lambdaTelescope___at_Lean_Elab_WF_packDomain___spec__2___rarg(x_18, x_19, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_20, 1);
+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; uint8_t x_29; 
+x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
-x_22 = lean_ctor_get(x_19, 1);
+x_22 = lean_ctor_get(x_21, 1);
 lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_20, 0);
+x_23 = lean_ctor_get(x_20, 1);
 lean_inc(x_23);
 lean_dec(x_20);
 x_24 = lean_ctor_get(x_21, 0);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
 lean_dec(x_21);
-x_26 = lean_array_push(x_13, x_24);
-x_27 = lean_array_push(x_15, x_23);
-x_28 = lean_unbox(x_16);
-lean_dec(x_16);
-if (x_28 == 0)
+x_25 = lean_ctor_get(x_22, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_22, 1);
+lean_inc(x_26);
+lean_dec(x_22);
+x_27 = lean_array_push(x_14, x_25);
+x_28 = lean_array_push(x_16, x_24);
+x_29 = lean_unbox(x_17);
+lean_dec(x_17);
+if (x_29 == 0)
 {
-lean_object* x_29; lean_object* x_30; size_t x_31; size_t x_32; 
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_25);
+lean_object* x_30; lean_object* x_31; size_t x_32; size_t x_33; 
 x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_26);
-lean_ctor_set(x_30, 1, x_29);
-x_31 = 1;
-x_32 = lean_usize_add(x_3, x_31);
-x_3 = x_32;
-x_4 = x_30;
-x_9 = x_22;
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_26);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_27);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = 1;
+x_33 = lean_usize_add(x_4, x_32);
+x_4 = x_33;
+x_5 = x_31;
+x_10 = x_23;
 goto _start;
 }
 else
 {
-uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; size_t x_38; size_t x_39; 
-lean_dec(x_25);
-x_34 = 1;
-x_35 = lean_box(x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_27);
-lean_ctor_set(x_36, 1, x_35);
+uint8_t x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; size_t x_39; size_t x_40; 
+lean_dec(x_26);
+x_35 = 1;
+x_36 = lean_box(x_35);
 x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_26);
+lean_ctor_set(x_37, 0, x_28);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = 1;
-x_39 = lean_usize_add(x_3, x_38);
-x_3 = x_39;
-x_4 = x_37;
-x_9 = x_22;
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_27);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = 1;
+x_40 = lean_usize_add(x_4, x_39);
+x_4 = x_40;
+x_5 = x_38;
+x_10 = x_23;
 goto _start;
 }
 }
 else
 {
-uint8_t x_41; 
+uint8_t x_42; 
+lean_dec(x_17);
 lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_13);
+lean_dec(x_14);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_41 = !lean_is_exclusive(x_19);
-if (x_41 == 0)
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_20);
+if (x_42 == 0)
 {
-return x_19;
+return x_20;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_19, 0);
-x_43 = lean_ctor_get(x_19, 1);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_20, 0);
+x_44 = lean_ctor_get(x_20, 1);
+lean_inc(x_44);
 lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_19);
-x_44 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_43);
-return x_44;
+lean_dec(x_20);
+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;
 }
 }
 }
@@ -6196,106 +6215,108 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_13 = l_Lean_instInhabitedExpr;
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_get(x_13, x_6, x_14);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = l_Lean_instInhabitedExpr;
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = lean_array_get(x_15, x_8, x_16);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_15);
-x_16 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn(x_15, x_7, x_1, x_2, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-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_16);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn(x_17, x_9, x_1, x_2, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_19 = l_Lean_Elab_WF_packDomain_packApplications(x_3, x_17, x_4, x_5, x_8, x_9, x_10, x_11, x_18);
-if (lean_obj_tag(x_19) == 0)
+x_21 = l_Lean_Elab_WF_packDomain_packApplications(x_3, x_4, x_19, x_5, x_6, x_10, x_11, x_12, x_13, x_20);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; uint8_t x_25; lean_object* x_26; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
-lean_dec(x_19);
-x_22 = l___private_Lean_Elab_PreDefinition_WF_PackDomain_0__Lean_Elab_WF_mkPSigmaCasesOn_go___closed__1;
-x_23 = lean_array_push(x_22, x_15);
-x_24 = 0;
-x_25 = 1;
-x_26 = l_Lean_Meta_mkLambdaFVars(x_23, x_20, x_24, x_25, x_8, x_9, x_10, x_11, x_21);
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; uint8_t x_26; lean_object* x_27; 
+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_array_push(x_7, x_17);
+x_25 = 0;
+x_26 = 1;
+x_27 = l_Lean_Meta_mkLambdaFVars(x_24, x_22, x_25, x_26, x_10, x_11, x_12, x_13, x_23);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_26;
+return x_27;
 }
 else
 {
-uint8_t x_27; 
-lean_dec(x_15);
+uint8_t x_28; 
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_27 = !lean_is_exclusive(x_19);
-if (x_27 == 0)
+lean_dec(x_7);
+x_28 = !lean_is_exclusive(x_21);
+if (x_28 == 0)
 {
-return x_19;
+return x_21;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_19, 0);
-x_29 = lean_ctor_get(x_19, 1);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_21, 0);
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
 lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_19);
-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_21);
+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_31; 
-lean_dec(x_15);
+uint8_t x_32; 
+lean_dec(x_17);
+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_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_31 = !lean_is_exclusive(x_16);
-if (x_31 == 0)
+x_32 = !lean_is_exclusive(x_18);
+if (x_32 == 0)
 {
-return x_16;
+return x_18;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_16, 0);
-x_33 = lean_ctor_get(x_16, 1);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_18, 0);
+x_34 = lean_ctor_get(x_18, 1);
+lean_inc(x_34);
 lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_16);
-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_dec(x_18);
+x_35 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+return x_35;
 }
 }
 }
@@ -6310,82 +6331,142 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = lean_ctor_get(x_1, 4);
-lean_inc(x_12);
-lean_dec(x_1);
-x_13 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__1___boxed), 12, 5);
-lean_closure_set(x_13, 0, x_5);
-lean_closure_set(x_13, 1, x_6);
-lean_closure_set(x_13, 2, x_2);
-lean_closure_set(x_13, 3, x_3);
-lean_closure_set(x_13, 4, x_4);
-x_14 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__2___closed__1;
-x_15 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f___spec__3___rarg(x_12, x_14, x_13, x_7, x_8, x_9, x_10, x_11);
-return x_15;
-}
-}
-LEAN_EXPORT uint8_t l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
+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; 
+x_13 = lean_unsigned_to_nat(0u);
+lean_inc(x_1);
+lean_inc(x_6);
+x_14 = l_Array_toSubarray___rarg(x_6, x_13, x_1);
+x_15 = l_Array_ofSubarray___rarg(x_14);
+x_16 = lean_array_get_size(x_6);
+lean_inc(x_1);
+x_17 = l_Array_toSubarray___rarg(x_6, x_1, x_16);
+x_18 = l_Array_ofSubarray___rarg(x_17);
+x_19 = lean_ctor_get(x_2, 4);
+lean_inc(x_19);
+lean_dec(x_2);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_20 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_15, x_13, x_19, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_4; 
-x_4 = l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f(x_1, x_3);
-if (lean_obj_tag(x_4) == 0)
-{
-uint8_t x_5; 
-x_5 = 0;
-return x_5;
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__1___boxed), 14, 7);
+lean_closure_set(x_23, 0, x_18);
+lean_closure_set(x_23, 1, x_7);
+lean_closure_set(x_23, 2, x_1);
+lean_closure_set(x_23, 3, x_3);
+lean_closure_set(x_23, 4, x_4);
+lean_closure_set(x_23, 5, x_5);
+lean_closure_set(x_23, 6, x_15);
+x_24 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__2___closed__1;
+x_25 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f___spec__3___rarg(x_21, x_24, x_23, x_8, x_9, x_10, x_11, x_22);
+return x_25;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_6 = lean_ctor_get(x_4, 0);
-lean_inc(x_6);
-lean_dec(x_4);
-x_7 = lean_unsigned_to_nat(0u);
-x_8 = l_Lean_Expr_getAppNumArgsAux(x_3, x_7);
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_dec_lt(x_9, x_8);
+uint8_t x_26; 
+lean_dec(x_18);
+lean_dec(x_15);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
 lean_dec(x_8);
-if (x_10 == 0)
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_26 = !lean_is_exclusive(x_20);
+if (x_26 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = l_Lean_Elab_instInhabitedPreDefinition;
-x_12 = lean_array_get(x_11, x_2, x_6);
-x_13 = lean_ctor_get(x_12, 3);
-lean_inc(x_13);
-lean_dec(x_12);
-x_14 = lean_array_get(x_11, x_1, x_6);
-lean_dec(x_6);
+return x_20;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_20, 0);
+x_28 = lean_ctor_get(x_20, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_20);
+x_29 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
+}
+}
+}
+}
+LEAN_EXPORT uint8_t l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f(x_1, x_4);
+if (lean_obj_tag(x_5) == 0)
+{
+uint8_t x_6; 
+x_6 = 0;
+return x_6;
+}
+else
+{
+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_5, 0);
+lean_inc(x_7);
+lean_dec(x_5);
+x_8 = lean_unsigned_to_nat(1u);
+x_9 = lean_nat_add(x_2, x_8);
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = l_Lean_Expr_getAppNumArgsAux(x_4, x_10);
+x_12 = lean_nat_dec_lt(x_9, x_11);
+lean_dec(x_11);
+lean_dec(x_9);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_13 = l_Lean_Elab_instInhabitedPreDefinition;
+x_14 = lean_array_get(x_13, x_3, x_7);
 x_15 = lean_ctor_get(x_14, 3);
 lean_inc(x_15);
 lean_dec(x_14);
-x_16 = lean_name_eq(x_13, x_15);
+x_16 = lean_array_get(x_13, x_1, x_7);
+lean_dec(x_7);
+x_17 = lean_ctor_get(x_16, 3);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = lean_name_eq(x_15, x_17);
+lean_dec(x_17);
 lean_dec(x_15);
-lean_dec(x_13);
-if (x_16 == 0)
-{
-uint8_t x_17; 
-x_17 = 1;
-return x_17;
-}
-else
-{
-uint8_t x_18; 
-x_18 = 0;
-return x_18;
-}
-}
-else
+if (x_18 == 0)
 {
 uint8_t x_19; 
-lean_dec(x_6);
 x_19 = 1;
 return x_19;
 }
+else
+{
+uint8_t x_20; 
+x_20 = 0;
+return x_20;
+}
+}
+else
+{
+uint8_t x_21; 
+lean_dec(x_7);
+x_21 = 1;
+return x_21;
+}
 }
 }
 }
@@ -6526,324 +6607,332 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(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_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(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) {
 _start:
 {
-uint8_t x_13; 
-x_13 = lean_nat_dec_le(x_5, x_4);
-if (x_13 == 0)
+uint8_t x_14; 
+x_14 = lean_nat_dec_le(x_6, x_5);
+if (x_14 == 0)
 {
-lean_object* x_14; uint8_t x_15; 
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_nat_dec_eq(x_3, x_14);
-if (x_15 == 0)
+lean_object* x_15; uint8_t x_16; 
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = lean_nat_dec_eq(x_4, x_15);
+if (x_16 == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_16 = lean_unsigned_to_nat(1u);
-x_17 = lean_nat_sub(x_3, x_16);
-lean_dec(x_3);
-x_18 = l_Lean_Elab_instInhabitedPreDefinition;
-x_19 = lean_array_get(x_18, x_1, x_4);
-x_20 = lean_array_get(x_18, x_7, x_4);
-x_21 = lean_ctor_get(x_19, 5);
-lean_inc(x_21);
-lean_inc(x_7);
+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; 
+x_17 = lean_unsigned_to_nat(1u);
+x_18 = lean_nat_sub(x_4, x_17);
+lean_dec(x_4);
+x_19 = l_Lean_Elab_instInhabitedPreDefinition;
+x_20 = lean_array_get(x_19, x_2, x_5);
+x_21 = lean_array_get(x_19, x_8, x_5);
+x_22 = lean_ctor_get(x_20, 5);
+lean_inc(x_22);
+lean_inc(x_8);
+lean_inc(x_3);
 lean_inc(x_2);
+lean_inc(x_21);
 lean_inc(x_1);
-lean_inc(x_20);
-x_22 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__2), 11, 4);
-lean_closure_set(x_22, 0, x_20);
-lean_closure_set(x_22, 1, x_1);
-lean_closure_set(x_22, 2, x_2);
-lean_closure_set(x_22, 3, x_7);
+x_23 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__2), 12, 5);
+lean_closure_set(x_23, 0, x_1);
+lean_closure_set(x_23, 1, x_21);
+lean_closure_set(x_23, 2, x_2);
+lean_closure_set(x_23, 3, x_3);
+lean_closure_set(x_23, 4, x_8);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_8);
-x_23 = l_Lean_Meta_lambdaTelescope___at_Lean_Elab_WF_packDomain___spec__2___rarg(x_21, x_22, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_23) == 0)
+x_24 = l_Lean_Meta_lambdaTelescope___at_Lean_Elab_WF_packDomain___spec__2___rarg(x_22, x_23, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
-lean_dec(x_23);
-lean_inc(x_7);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+lean_inc(x_8);
 lean_inc(x_1);
-x_26 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed), 3, 2);
-lean_closure_set(x_26, 0, x_1);
-lean_closure_set(x_26, 1, x_7);
-lean_inc(x_24);
-x_27 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_26, x_24);
-if (lean_obj_tag(x_27) == 0)
+lean_inc(x_2);
+x_27 = lean_alloc_closure((void*)(l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed), 4, 3);
+lean_closure_set(x_27, 0, x_2);
+lean_closure_set(x_27, 1, x_1);
+lean_closure_set(x_27, 2, x_8);
+lean_inc(x_25);
+x_28 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_27, x_25);
+if (lean_obj_tag(x_28) == 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_dec(x_19);
-x_28 = lean_box(0);
-x_29 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__4(x_20, x_24, x_4, x_7, x_28, x_8, x_9, x_10, x_11, x_25);
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
+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_dec(x_20);
+x_29 = lean_box(0);
+x_30 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__4(x_21, x_25, x_5, x_8, x_29, x_9, x_10, x_11, x_12, x_26);
+x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
-lean_dec(x_29);
-x_32 = lean_ctor_get(x_30, 0);
+x_32 = lean_ctor_get(x_30, 1);
 lean_inc(x_32);
 lean_dec(x_30);
-x_33 = lean_nat_add(x_4, x_6);
-lean_dec(x_4);
-x_3 = x_17;
-x_4 = x_33;
-x_7 = x_32;
-x_12 = x_31;
+x_33 = lean_ctor_get(x_31, 0);
+lean_inc(x_33);
+lean_dec(x_31);
+x_34 = lean_nat_add(x_5, x_7);
+lean_dec(x_5);
+x_4 = x_18;
+x_5 = x_34;
+x_8 = x_33;
+x_13 = x_32;
 goto _start;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; 
-x_35 = lean_ctor_get(x_27, 0);
-lean_inc(x_35);
-lean_dec(x_27);
-x_36 = l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f(x_1, x_35);
-if (lean_obj_tag(x_36) == 0)
+lean_object* x_36; lean_object* x_37; 
+x_36 = lean_ctor_get(x_28, 0);
+lean_inc(x_36);
+lean_dec(x_28);
+x_37 = l_Lean_Elab_WF_packDomain_isAppOfPreDef_x3f(x_2, x_36);
+if (lean_obj_tag(x_37) == 0)
 {
-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_dec(x_35);
-lean_dec(x_19);
-x_37 = lean_box(0);
-x_38 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__4(x_20, x_24, x_4, x_7, x_37, x_8, x_9, x_10, x_11, x_25);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+lean_dec(x_36);
+lean_dec(x_20);
+x_38 = lean_box(0);
+x_39 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__4(x_21, x_25, x_5, x_8, x_38, x_9, x_10, x_11, x_12, x_26);
+x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_ctor_get(x_39, 0);
+x_41 = lean_ctor_get(x_39, 1);
 lean_inc(x_41);
 lean_dec(x_39);
-x_42 = lean_nat_add(x_4, x_6);
-lean_dec(x_4);
-x_3 = x_17;
-x_4 = x_42;
-x_7 = x_41;
-x_12 = x_40;
+x_42 = lean_ctor_get(x_40, 0);
+lean_inc(x_42);
+lean_dec(x_40);
+x_43 = lean_nat_add(x_5, x_7);
+lean_dec(x_5);
+x_4 = x_18;
+x_5 = x_43;
+x_8 = x_42;
+x_13 = x_41;
 goto _start;
 }
 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; 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; uint8_t x_74; 
-lean_dec(x_24);
-lean_dec(x_20);
-lean_dec(x_17);
-lean_dec(x_7);
-lean_dec(x_4);
-x_44 = lean_ctor_get(x_36, 0);
-lean_inc(x_44);
-lean_dec(x_36);
-x_45 = lean_ctor_get(x_19, 0);
+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; 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; uint8_t x_75; 
+lean_dec(x_25);
+lean_dec(x_21);
+lean_dec(x_18);
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_1);
+x_45 = lean_ctor_get(x_37, 0);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_19, 3);
+lean_dec(x_37);
+x_46 = lean_ctor_get(x_20, 0);
 lean_inc(x_46);
-lean_dec(x_19);
-x_47 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_47, 0, x_46);
-x_48 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__2;
-x_49 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-x_50 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__4;
-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 = lean_array_get(x_18, x_1, x_44);
-lean_dec(x_1);
-x_53 = lean_ctor_get(x_52, 3);
-lean_inc(x_53);
-lean_dec(x_52);
-x_54 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_54, 0, x_53);
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_51);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__6;
-x_57 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_57, 0, x_55);
-lean_ctor_set(x_57, 1, x_56);
-x_58 = l_Lean_Expr_getAppNumArgsAux(x_35, x_14);
-lean_dec(x_35);
-x_59 = l_Nat_repr(x_58);
-x_60 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_60, 0, x_59);
-x_61 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_61, 0, x_60);
-x_62 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_62, 0, x_57);
-lean_ctor_set(x_62, 1, x_61);
-x_63 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__8;
-x_64 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-x_65 = l_instInhabitedNat;
-x_66 = lean_array_get(x_65, x_2, x_44);
-lean_dec(x_44);
-lean_dec(x_2);
-x_67 = l_Nat_repr(x_66);
-x_68 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_68, 0, x_67);
-x_69 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_69, 0, x_68);
-x_70 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_70, 0, x_64);
-lean_ctor_set(x_70, 1, x_69);
-x_71 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__10;
-x_72 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_72, 0, x_70);
-lean_ctor_set(x_72, 1, x_71);
-x_73 = l_Lean_throwErrorAt___at_Lean_Elab_WF_packDomain___spec__4(x_45, x_72, x_8, x_9, x_10, x_11, x_25);
-lean_dec(x_11);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_45);
-x_74 = !lean_is_exclusive(x_73);
-if (x_74 == 0)
-{
-return x_73;
-}
-else
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_75 = lean_ctor_get(x_73, 0);
-x_76 = lean_ctor_get(x_73, 1);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_dec(x_73);
-x_77 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_77, 0, x_75);
-lean_ctor_set(x_77, 1, x_76);
-return x_77;
-}
-}
-}
-}
-else
-{
-uint8_t x_78; 
+x_47 = lean_ctor_get(x_20, 3);
+lean_inc(x_47);
 lean_dec(x_20);
-lean_dec(x_19);
-lean_dec(x_17);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_4);
+x_48 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_48, 0, x_47);
+x_49 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__2;
+x_50 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_50, 0, x_49);
+lean_ctor_set(x_50, 1, x_48);
+x_51 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__4;
+x_52 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = lean_array_get(x_19, x_2, x_45);
 lean_dec(x_2);
-lean_dec(x_1);
-x_78 = !lean_is_exclusive(x_23);
-if (x_78 == 0)
+x_54 = lean_ctor_get(x_53, 3);
+lean_inc(x_54);
+lean_dec(x_53);
+x_55 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_55, 0, x_54);
+x_56 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_56, 0, x_52);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__6;
+x_58 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_58, 0, x_56);
+lean_ctor_set(x_58, 1, x_57);
+x_59 = l_Lean_Expr_getAppNumArgsAux(x_36, x_15);
+lean_dec(x_36);
+x_60 = l_Nat_repr(x_59);
+x_61 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_61, 0, x_60);
+x_62 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_62, 0, x_61);
+x_63 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_63, 0, x_58);
+lean_ctor_set(x_63, 1, x_62);
+x_64 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__8;
+x_65 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+x_66 = l_instInhabitedNat;
+x_67 = lean_array_get(x_66, x_3, x_45);
+lean_dec(x_45);
+lean_dec(x_3);
+x_68 = l_Nat_repr(x_67);
+x_69 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_69, 0, x_68);
+x_70 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_70, 0, x_69);
+x_71 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_71, 0, x_65);
+lean_ctor_set(x_71, 1, x_70);
+x_72 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___closed__10;
+x_73 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+x_74 = l_Lean_throwErrorAt___at_Lean_Elab_WF_packDomain___spec__4(x_46, x_73, x_9, x_10, x_11, x_12, x_26);
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_46);
+x_75 = !lean_is_exclusive(x_74);
+if (x_75 == 0)
 {
-return x_23;
+return x_74;
 }
 else
 {
-lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_79 = lean_ctor_get(x_23, 0);
-x_80 = lean_ctor_get(x_23, 1);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_dec(x_23);
-x_81 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_81, 0, x_79);
-lean_ctor_set(x_81, 1, x_80);
-return x_81;
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_74, 0);
+x_77 = lean_ctor_get(x_74, 1);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_dec(x_74);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
+}
 }
 }
 }
 else
 {
-lean_object* x_82; 
+uint8_t x_79; 
+lean_dec(x_21);
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_4);
+lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_7);
-lean_ctor_set(x_82, 1, x_12);
+x_79 = !lean_is_exclusive(x_24);
+if (x_79 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_24, 0);
+x_81 = lean_ctor_get(x_24, 1);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_24);
+x_82 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_81);
 return x_82;
 }
 }
+}
 else
 {
 lean_object* x_83; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-lean_dec(x_8);
+lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_7);
-lean_ctor_set(x_83, 1, x_12);
+lean_ctor_set(x_83, 0, x_8);
+lean_ctor_set(x_83, 1, x_13);
 return x_83;
 }
 }
+else
+{
+lean_object* x_84; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_84 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_84, 0, x_8);
+lean_ctor_set(x_84, 1, x_13);
+return x_84;
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain___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_EXPORT lean_object* l_Lean_Elab_WF_packDomain___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:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_unsigned_to_nat(1u);
-lean_inc(x_3);
-x_13 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(x_1, x_2, x_3, x_11, x_3, x_12, x_4, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_3);
-if (lean_obj_tag(x_13) == 0)
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_unsigned_to_nat(0u);
+x_13 = lean_unsigned_to_nat(1u);
+lean_inc(x_4);
+x_14 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(x_1, x_2, x_3, x_4, x_12, x_4, x_13, x_5, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_4);
+if (lean_obj_tag(x_14) == 0)
 {
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
 {
-return x_13;
+return x_14;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_13, 1);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
 lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_13);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_15);
-lean_ctor_set(x_17, 1, x_16);
-return x_17;
+lean_dec(x_14);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_16);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
 }
 }
 else
 {
-uint8_t x_18; 
-x_18 = !lean_is_exclusive(x_13);
-if (x_18 == 0)
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_14);
+if (x_19 == 0)
 {
-return x_13;
+return x_14;
 }
 else
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_13, 0);
-x_20 = lean_ctor_get(x_13, 1);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_14, 0);
+x_21 = lean_ctor_get(x_14, 1);
+lean_inc(x_21);
 lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_13);
-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;
+lean_dec(x_14);
+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;
 }
 }
 }
@@ -6873,104 +6962,107 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain(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_Elab_WF_packDomain(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_7; size_t x_8; size_t x_9; lean_object* x_10; lean_object* x_11; 
-x_7 = lean_array_get_size(x_1);
-x_8 = lean_usize_of_nat(x_7);
-x_9 = 0;
-x_10 = l_Lean_Elab_WF_packDomain___closed__2;
+lean_object* x_8; size_t x_9; size_t x_10; lean_object* x_11; lean_object* x_12; 
+x_8 = lean_array_get_size(x_2);
+x_9 = lean_usize_of_nat(x_8);
+x_10 = 0;
+x_11 = l_Lean_Elab_WF_packDomain___closed__2;
+lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_11 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(x_1, x_8, x_9, x_10, x_2, x_3, x_4, x_5, x_6);
-if (lean_obj_tag(x_11) == 0)
+lean_inc(x_1);
+x_12 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(x_1, x_2, x_9, x_10, x_11, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_12, 1);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_13 = lean_ctor_get(x_12, 0);
 lean_inc(x_13);
 x_14 = lean_ctor_get(x_13, 1);
 lean_inc(x_14);
-x_15 = lean_unbox(x_14);
-lean_dec(x_14);
-if (x_15 == 0)
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+x_16 = lean_unbox(x_15);
+lean_dec(x_15);
+if (x_16 == 0)
 {
-uint8_t x_16; 
+uint8_t x_17; 
+lean_dec(x_14);
 lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_7);
+lean_dec(x_8);
+lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-x_16 = !lean_is_exclusive(x_11);
-if (x_16 == 0)
+lean_dec(x_1);
+x_17 = !lean_is_exclusive(x_12);
+if (x_17 == 0)
 {
-lean_object* x_17; 
-x_17 = lean_ctor_get(x_11, 0);
-lean_dec(x_17);
-lean_ctor_set(x_11, 0, x_1);
-return x_11;
+lean_object* x_18; 
+x_18 = lean_ctor_get(x_12, 0);
+lean_dec(x_18);
+lean_ctor_set(x_12, 0, x_2);
+return x_12;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
-lean_dec(x_11);
-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;
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_ctor_get(x_12, 1);
+lean_inc(x_19);
+lean_dec(x_12);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_2);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
 }
 }
 else
 {
-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_11, 1);
-lean_inc(x_20);
-lean_dec(x_11);
-x_21 = lean_ctor_get(x_12, 0);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_12, 1);
 lean_inc(x_21);
 lean_dec(x_12);
 x_22 = lean_ctor_get(x_13, 0);
 lean_inc(x_22);
 lean_dec(x_13);
-x_23 = lean_box(0);
-x_24 = l_Lean_Elab_WF_packDomain___lambda__1(x_1, x_21, x_7, x_22, x_23, x_2, x_3, x_4, x_5, x_20);
-return x_24;
+x_23 = lean_ctor_get(x_14, 0);
+lean_inc(x_23);
+lean_dec(x_14);
+x_24 = lean_box(0);
+x_25 = l_Lean_Elab_WF_packDomain___lambda__1(x_1, x_2, x_22, x_8, x_23, x_24, x_3, x_4, x_5, x_6, x_21);
+return x_25;
 }
 }
 else
 {
-uint8_t x_25; 
-lean_dec(x_7);
+uint8_t x_26; 
+lean_dec(x_8);
+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_25 = !lean_is_exclusive(x_11);
-if (x_25 == 0)
+x_26 = !lean_is_exclusive(x_12);
+if (x_26 == 0)
 {
-return x_11;
+return x_12;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_11, 0);
-x_27 = lean_ctor_get(x_11, 1);
+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_inc(x_26);
-lean_dec(x_11);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
+lean_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;
 }
 }
 }
@@ -6988,39 +7080,39 @@ lean_dec(x_1);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; 
-x_12 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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_10);
-lean_dec(x_8);
+lean_object* x_13; 
+x_13 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_2);
-return x_12;
+lean_dec(x_1);
+return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___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, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; 
-x_10 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2(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_object* x_11; 
+x_11 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_5);
+return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_2);
-lean_dec(x_2);
+size_t x_11; size_t x_12; lean_object* x_13; 
 x_11 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_12 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(x_1, x_10, x_11, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_1);
-return x_12;
+x_12 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_13 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3(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;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_WF_packDomain___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -7035,25 +7127,26 @@ lean_dec(x_1);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_13; 
-x_13 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_6);
-return x_13;
+lean_object* x_15; 
+x_15 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_8);
+return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-uint8_t x_4; lean_object* x_5; 
-x_4 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(x_1, x_2, x_3);
+uint8_t x_5; lean_object* x_6; 
+x_5 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___lambda__3(x_1, x_2, x_3, x_4);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_5 = lean_box(x_4);
-return x_5;
+x_6 = lean_box(x_5);
+return x_6;
 }
 }
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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) {
@@ -7070,23 +7163,23 @@ lean_dec(x_3);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5___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_object* x_13) {
 _start:
 {
-lean_object* x_13; 
-x_13 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_object* x_14; 
+x_14 = l_Std_Range_forIn_loop___at_Lean_Elab_WF_packDomain___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-return x_13;
+return x_14;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packDomain___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_Elab_WF_packDomain___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_11; 
-x_11 = l_Lean_Elab_WF_packDomain___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_5);
-return x_11;
+lean_object* x_12; 
+x_12 = l_Lean_Elab_WF_packDomain___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;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
@@ -7166,8 +7259,6 @@ l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___cl
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__1);
 l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2();
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__2);
-l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__2___closed__3);
 l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__1();
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__1);
 l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_WF_packDomain___spec__3___lambda__3___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackMutual.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackMutual.c
index 86d58d2500..99a6c5591c 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackMutual.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/PackMutual.c
@@ -17,8 +17,9 @@ static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinitio
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_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_Elab_WF_packMutual___lambda__2___closed__3;
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_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*);
 size_t lean_usize_add(size_t, size_t);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post(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_PackMutual_0__Lean_Elab_WF_post(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
@@ -27,18 +28,22 @@ lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__8;
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(size_t, size_t, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__2(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__3;
 lean_object* l_Lean_Meta_mkAppM(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_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1___boxed(lean_object*, lean_object*, 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_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___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*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__2;
 uint8_t lean_name_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go(lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___closed__3;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -47,7 +52,7 @@ 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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__2___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_WF_packMutual(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -56,6 +61,7 @@ extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___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_Lean_Elab_WF_withFixedPrefix___rarg___boxed(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_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__1;
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__6;
@@ -67,13 +73,17 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__1;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___closed__1;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1(size_t, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix___rarg(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_PackMutual_0__Lean_Elab_WF_packValues(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_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__3;
 lean_object* l_Lean_Expr_headBeta(lean_object*);
@@ -85,22 +95,30 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_El
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go(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_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_packMutual___lambda__2___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go___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_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___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*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__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_Elab_WF_packMutual___lambda__2___closed__1;
 lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_instInhabitedPreDefinition;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__5;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2(lean_object*, size_t, size_t, lean_object*);
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedExpr;
 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*);
 lean_object* l_Array_reverse___rarg(lean_object*);
+uint8_t l_Lean_Expr_isConst(lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainsLevel___spec__1___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__7;
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainsLevel___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_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__7;
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkFVar(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__3;
@@ -111,6 +129,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefi
 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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go___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_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainsLevel___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -123,12 +142,15 @@ lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isLevelDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(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_PackMutual_0__Lean_Elab_WF_post___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__10;
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__3(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_PackMutual_0__Lean_Elab_WF_getCodomainsLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__6;
 extern lean_object* l_Lean_instInhabitedName;
@@ -138,16 +160,15 @@ lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_pop(lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_binderInfo(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__1(lean_object*, lean_object*, lean_object*, 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*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainsLevel___spec__1___closed__2;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1(size_t, size_t, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__11;
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_whnfCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -155,71 +176,18 @@ lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains(lean_object*);
+lean_object* l_Lean_Expr_constName_x21(lean_object*);
 extern lean_object* l_Lean_casesOnSuffix;
 lean_object* l_Lean_Meta_instInhabitedMetaM___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__1;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__2;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
-_start:
-{
-uint8_t x_4; 
-x_4 = lean_usize_dec_lt(x_2, x_1);
-if (x_4 == 0)
-{
-return x_3;
-}
-else
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; size_t x_10; size_t x_11; lean_object* x_12; 
-x_5 = lean_array_uget(x_3, x_2);
-x_6 = lean_unsigned_to_nat(0u);
-x_7 = lean_array_uset(x_3, x_2, x_6);
-x_8 = lean_ctor_get(x_5, 4);
-lean_inc(x_8);
-lean_dec(x_5);
-x_9 = l_Lean_Expr_bindingDomain_x21(x_8);
-lean_dec(x_8);
-x_10 = 1;
-x_11 = lean_usize_add(x_2, x_10);
-x_12 = lean_array_uset(x_7, x_2, x_9);
-x_2 = x_11;
-x_3 = x_12;
-goto _start;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; size_t x_3; size_t x_4; lean_object* x_5; 
-x_2 = lean_array_get_size(x_1);
-x_3 = lean_usize_of_nat(x_2);
-lean_dec(x_2);
-x_4 = 0;
-x_5 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1(x_3, x_4, x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-size_t x_4; size_t x_5; lean_object* x_6; 
-x_4 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_5 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_6 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains___spec__1(x_4, x_5, x_3);
-return x_6;
-}
-}
 static lean_object* _init_l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Sum");
+x_1 = lean_mk_string("PSum");
 return x_1;
 }
 }
@@ -418,14 +386,11 @@ return x_1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel(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; 
-x_7 = lean_ctor_get(x_1, 4);
-lean_inc(x_7);
-lean_dec(x_1);
-x_8 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__1;
-x_9 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__2;
-x_10 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f___spec__3___rarg(x_7, x_8, x_9, x_2, x_3, x_4, x_5, x_6);
-return x_10;
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__1;
+x_8 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___closed__2;
+x_9 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f___spec__3___rarg(x_1, x_7, x_8, x_2, x_3, x_4, x_5, x_6);
+return x_9;
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getCodomainLevel___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) {
@@ -613,7 +578,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Le
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_7 = l_Lean_Elab_instInhabitedPreDefinition;
+x_7 = l_Lean_instInhabitedExpr;
 x_8 = lean_unsigned_to_nat(0u);
 x_9 = lean_array_get(x_7, x_1, x_8);
 lean_inc(x_5);
@@ -737,23 +702,20 @@ return x_13;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_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, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; uint8_t x_16; lean_object* x_17; 
 lean_inc(x_4);
 x_10 = lean_array_push(x_1, x_4);
-x_11 = l_Lean_Elab_instInhabitedPreDefinition;
+x_11 = l_Lean_instInhabitedExpr;
 x_12 = lean_array_get(x_11, x_2, x_3);
-x_13 = lean_ctor_get(x_12, 4);
-lean_inc(x_13);
+x_13 = l_Lean_Expr_bindingBody_x21(x_12);
 lean_dec(x_12);
-x_14 = l_Lean_Expr_bindingBody_x21(x_13);
-lean_dec(x_13);
-x_15 = lean_expr_instantiate1(x_14, x_4);
+x_14 = lean_expr_instantiate1(x_13, x_4);
 lean_dec(x_4);
-lean_dec(x_14);
-x_16 = 0;
-x_17 = 1;
-x_18 = l_Lean_Meta_mkLambdaFVars(x_10, x_15, x_16, x_17, x_5, x_6, x_7, x_8, x_9);
-return x_18;
+lean_dec(x_13);
+x_15 = 0;
+x_16 = 1;
+x_17 = l_Lean_Meta_mkLambdaFVars(x_10, x_14, x_15, x_16, x_5, x_6, x_7, x_8, x_9);
+return x_17;
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_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, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
@@ -827,7 +789,7 @@ static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__L
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("xType.isAppOfArity ``Sum 2\n      ");
+x_1 = lean_mk_string("xType.isAppOfArity ``PSum 2\n      ");
 return x_1;
 }
 }
@@ -863,7 +825,7 @@ _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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__4;
 x_2 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__5;
-x_3 = lean_unsigned_to_nat(44u);
+x_3 = lean_unsigned_to_nat(41u);
 x_4 = lean_unsigned_to_nat(6u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -928,337 +890,334 @@ x_13 = lean_nat_dec_lt(x_4, x_12);
 lean_dec(x_12);
 if (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_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
-x_14 = l_Lean_Elab_instInhabitedPreDefinition;
+x_14 = l_Lean_instInhabitedExpr;
 x_15 = lean_array_get(x_14, x_1, x_4);
 lean_dec(x_4);
 lean_dec(x_1);
-x_16 = lean_ctor_get(x_15, 4);
-lean_inc(x_16);
+x_16 = l_Lean_Expr_bindingBody_x21(x_15);
 lean_dec(x_15);
-x_17 = l_Lean_Expr_bindingBody_x21(x_16);
-lean_dec(x_16);
-x_18 = lean_expr_instantiate1(x_17, x_3);
+x_17 = lean_expr_instantiate1(x_16, x_3);
 lean_dec(x_3);
-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_9);
+lean_dec(x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_9);
+return x_18;
+}
+else
+{
+lean_object* x_19; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_3);
+x_19 = lean_infer_type(x_3, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_22 = l_Lean_Meta_whnfD(x_20, x_5, x_6, x_7, x_8, x_21);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__2;
+x_26 = lean_unsigned_to_nat(2u);
+x_27 = l_Lean_Expr_isAppOfArity(x_23, x_25, x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+lean_dec(x_23);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_28 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__6;
+x_29 = l_panic___at_Lean_Meta_whnfCore___spec__1(x_28, x_5, x_6, x_7, x_8, x_24);
+return x_29;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; uint8_t x_47; lean_object* x_48; 
+x_30 = lean_unsigned_to_nat(0u);
+x_31 = l_Lean_Expr_getAppNumArgsAux(x_23, x_30);
+x_32 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__7;
+lean_inc(x_31);
+x_33 = lean_mk_array(x_31, x_32);
+x_34 = lean_nat_sub(x_31, x_11);
+lean_dec(x_31);
+lean_inc(x_23);
+x_35 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_23, x_33, x_34);
+lean_inc(x_2);
+x_36 = l_Lean_mkLevelSucc(x_2);
+x_37 = l_Lean_Expr_getAppFn(x_23);
+lean_dec(x_23);
+x_38 = l_Lean_Expr_constLevels_x21(x_37);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_36);
+lean_ctor_set(x_39, 1, x_38);
+x_40 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__8;
+x_41 = l_Lean_mkConst(x_40, x_39);
+lean_inc(x_35);
+x_42 = l_Lean_mkAppN(x_41, x_35);
+x_43 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
+lean_inc(x_3);
+x_44 = lean_array_push(x_43, x_3);
+lean_inc(x_2);
+x_45 = l_Lean_mkSort(x_2);
+x_46 = 0;
+x_47 = 1;
+lean_inc(x_5);
+x_48 = l_Lean_Meta_mkLambdaFVars(x_44, x_45, x_46, x_47, x_5, x_6, x_7, x_8, x_24);
+if (lean_obj_tag(x_48) == 0)
+{
+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; uint8_t x_60; lean_object* x_61; 
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = l_Lean_mkApp(x_42, x_49);
+x_52 = l_Lean_mkApp(x_51, x_3);
+x_53 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__11;
+x_54 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_53, x_7, x_8, x_50);
+x_55 = lean_ctor_get(x_54, 0);
+lean_inc(x_55);
+x_56 = lean_ctor_get(x_54, 1);
+lean_inc(x_56);
+lean_dec(x_54);
+x_57 = l_Lean_instInhabitedExpr;
+x_58 = lean_array_get(x_57, x_35, x_30);
+lean_inc(x_4);
+lean_inc(x_1);
+x_59 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__1___boxed), 9, 3);
+lean_closure_set(x_59, 0, x_43);
+lean_closure_set(x_59, 1, x_1);
+lean_closure_set(x_59, 2, x_4);
+x_60 = 0;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_61 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_55, x_60, x_58, x_59, x_5, x_6, x_7, x_8, x_56);
+if (lean_obj_tag(x_61) == 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; lean_object* x_68; lean_object* x_69; 
+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___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_53, x_7, 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_array_get(x_57, x_35, x_11);
+lean_dec(x_35);
+x_68 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__2___boxed), 10, 4);
+lean_closure_set(x_68, 0, x_4);
+lean_closure_set(x_68, 1, x_1);
+lean_closure_set(x_68, 2, x_2);
+lean_closure_set(x_68, 3, x_43);
+x_69 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_65, x_60, x_67, x_68, x_5, x_6, x_7, x_8, x_66);
+if (lean_obj_tag(x_69) == 0)
+{
+uint8_t x_70; 
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; 
+x_71 = lean_ctor_get(x_69, 0);
+x_72 = l_Lean_mkAppB(x_52, x_62, x_71);
+lean_ctor_set(x_69, 0, x_72);
+return x_69;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_73 = lean_ctor_get(x_69, 0);
+x_74 = lean_ctor_get(x_69, 1);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_69);
+x_75 = l_Lean_mkAppB(x_52, x_62, x_73);
+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
+{
+uint8_t x_77; 
+lean_dec(x_62);
+lean_dec(x_52);
+x_77 = !lean_is_exclusive(x_69);
+if (x_77 == 0)
+{
+return x_69;
+}
+else
+{
+lean_object* x_78; lean_object* x_79; lean_object* x_80; 
+x_78 = lean_ctor_get(x_69, 0);
+x_79 = lean_ctor_get(x_69, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_69);
+x_80 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+return x_80;
+}
+}
+}
+else
+{
+uint8_t x_81; 
+lean_dec(x_52);
+lean_dec(x_35);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_81 = !lean_is_exclusive(x_61);
+if (x_81 == 0)
+{
+return x_61;
+}
+else
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_82 = lean_ctor_get(x_61, 0);
+x_83 = lean_ctor_get(x_61, 1);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_61);
+x_84 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_84, 0, x_82);
+lean_ctor_set(x_84, 1, x_83);
+return x_84;
+}
+}
+}
+else
+{
+uint8_t x_85; 
+lean_dec(x_42);
+lean_dec(x_35);
+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_85 = !lean_is_exclusive(x_48);
+if (x_85 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_86 = lean_ctor_get(x_48, 0);
+x_87 = lean_ctor_get(x_48, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_48);
+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
+{
+uint8_t x_89; 
+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_89 = !lean_is_exclusive(x_22);
+if (x_89 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_90 = lean_ctor_get(x_22, 0);
+x_91 = lean_ctor_get(x_22, 1);
+lean_inc(x_91);
+lean_inc(x_90);
+lean_dec(x_22);
+x_92 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_92, 0, x_90);
+lean_ctor_set(x_92, 1, x_91);
+return x_92;
+}
+}
+}
+else
+{
+uint8_t x_93; 
+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_93 = !lean_is_exclusive(x_19);
+if (x_93 == 0)
+{
 return x_19;
 }
 else
 {
-lean_object* x_20; 
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-x_20 = lean_infer_type(x_3, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_23 = l_Lean_Meta_whnfD(x_21, x_5, x_6, x_7, x_8, x_22);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-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_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__2;
-x_27 = lean_unsigned_to_nat(2u);
-x_28 = l_Lean_Expr_isAppOfArity(x_24, x_26, x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_24);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__6;
-x_30 = l_panic___at_Lean_Meta_whnfCore___spec__1(x_29, x_5, x_6, x_7, x_8, x_25);
-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; 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; uint8_t x_47; uint8_t x_48; lean_object* x_49; 
-x_31 = lean_unsigned_to_nat(0u);
-x_32 = l_Lean_Expr_getAppNumArgsAux(x_24, x_31);
-x_33 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__7;
-lean_inc(x_32);
-x_34 = lean_mk_array(x_32, x_33);
-x_35 = lean_nat_sub(x_32, x_11);
-lean_dec(x_32);
-lean_inc(x_24);
-x_36 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_24, x_34, x_35);
-lean_inc(x_2);
-x_37 = l_Lean_mkLevelSucc(x_2);
-x_38 = l_Lean_Expr_getAppFn(x_24);
-lean_dec(x_24);
-x_39 = l_Lean_Expr_constLevels_x21(x_38);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_37);
-lean_ctor_set(x_40, 1, x_39);
-x_41 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__8;
-x_42 = l_Lean_mkConst(x_41, x_40);
-lean_inc(x_36);
-x_43 = l_Lean_mkAppN(x_42, x_36);
-x_44 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
-lean_inc(x_3);
-x_45 = lean_array_push(x_44, x_3);
-lean_inc(x_2);
-x_46 = l_Lean_mkSort(x_2);
-x_47 = 0;
-x_48 = 1;
-lean_inc(x_5);
-x_49 = l_Lean_Meta_mkLambdaFVars(x_45, x_46, x_47, x_48, x_5, x_6, x_7, x_8, x_25);
-if (lean_obj_tag(x_49) == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; lean_object* x_62; 
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Lean_mkApp(x_43, x_50);
-x_53 = l_Lean_mkApp(x_52, x_3);
-x_54 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__11;
-x_55 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_54, x_7, x_8, x_51);
-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_instInhabitedExpr;
-x_59 = lean_array_get(x_58, x_36, x_31);
-lean_inc(x_4);
-lean_inc(x_1);
-x_60 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__1___boxed), 9, 3);
-lean_closure_set(x_60, 0, x_44);
-lean_closure_set(x_60, 1, x_1);
-lean_closure_set(x_60, 2, x_4);
-x_61 = 0;
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_62 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_56, x_61, x_59, x_60, x_5, x_6, x_7, x_8, x_57);
-if (lean_obj_tag(x_62) == 0)
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
-lean_dec(x_62);
-x_65 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_54, x_7, x_8, x_64);
-x_66 = lean_ctor_get(x_65, 0);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_65, 1);
-lean_inc(x_67);
-lean_dec(x_65);
-x_68 = lean_array_get(x_58, x_36, x_11);
-lean_dec(x_36);
-x_69 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___lambda__2___boxed), 10, 4);
-lean_closure_set(x_69, 0, x_4);
-lean_closure_set(x_69, 1, x_1);
-lean_closure_set(x_69, 2, x_2);
-lean_closure_set(x_69, 3, x_44);
-x_70 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_66, x_61, x_68, x_69, x_5, x_6, x_7, x_8, x_67);
-if (lean_obj_tag(x_70) == 0)
-{
-uint8_t x_71; 
-x_71 = !lean_is_exclusive(x_70);
-if (x_71 == 0)
-{
-lean_object* x_72; lean_object* x_73; 
-x_72 = lean_ctor_get(x_70, 0);
-x_73 = l_Lean_mkAppB(x_53, x_63, x_72);
-lean_ctor_set(x_70, 0, x_73);
-return x_70;
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_74 = lean_ctor_get(x_70, 0);
-x_75 = lean_ctor_get(x_70, 1);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_70);
-x_76 = l_Lean_mkAppB(x_53, x_63, x_74);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_75);
-return x_77;
-}
-}
-else
-{
-uint8_t x_78; 
-lean_dec(x_63);
-lean_dec(x_53);
-x_78 = !lean_is_exclusive(x_70);
-if (x_78 == 0)
-{
-return x_70;
-}
-else
-{
-lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_79 = lean_ctor_get(x_70, 0);
-x_80 = lean_ctor_get(x_70, 1);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_dec(x_70);
-x_81 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_81, 0, x_79);
-lean_ctor_set(x_81, 1, x_80);
-return x_81;
-}
-}
-}
-else
-{
-uint8_t x_82; 
-lean_dec(x_53);
-lean_dec(x_36);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_82 = !lean_is_exclusive(x_62);
-if (x_82 == 0)
-{
-return x_62;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_62, 0);
-x_84 = lean_ctor_get(x_62, 1);
-lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_62);
-x_85 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_85, 0, x_83);
-lean_ctor_set(x_85, 1, x_84);
-return x_85;
-}
-}
-}
-else
-{
-uint8_t x_86; 
-lean_dec(x_43);
-lean_dec(x_36);
-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_86 = !lean_is_exclusive(x_49);
-if (x_86 == 0)
-{
-return x_49;
-}
-else
-{
-lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_87 = lean_ctor_get(x_49, 0);
-x_88 = lean_ctor_get(x_49, 1);
-lean_inc(x_88);
-lean_inc(x_87);
-lean_dec(x_49);
-x_89 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_89, 0, x_87);
-lean_ctor_set(x_89, 1, x_88);
-return x_89;
-}
-}
-}
-}
-else
-{
-uint8_t x_90; 
-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_90 = !lean_is_exclusive(x_23);
-if (x_90 == 0)
-{
-return x_23;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_91 = lean_ctor_get(x_23, 0);
-x_92 = lean_ctor_get(x_23, 1);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_23);
-x_93 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_93, 0, x_91);
-lean_ctor_set(x_93, 1, x_92);
-return x_93;
-}
-}
-}
-else
-{
-uint8_t x_94; 
-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_94 = !lean_is_exclusive(x_20);
-if (x_94 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_95 = lean_ctor_get(x_20, 0);
-x_96 = lean_ctor_get(x_20, 1);
-lean_inc(x_96);
+lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_94 = lean_ctor_get(x_19, 0);
+x_95 = lean_ctor_get(x_19, 1);
 lean_inc(x_95);
-lean_dec(x_20);
-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;
+lean_inc(x_94);
+lean_dec(x_19);
+x_96 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_96, 0, x_94);
+lean_ctor_set(x_96, 1, x_95);
+return x_96;
 }
 }
 }
@@ -1379,7 +1338,7 @@ _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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__4;
 x_2 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___closed__1;
-x_3 = lean_unsigned_to_nat(81u);
+x_3 = lean_unsigned_to_nat(78u);
 x_4 = lean_unsigned_to_nat(67u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_go___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1389,90 +1348,87 @@ return x_6;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues_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, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_48 = lean_array_get_size(x_1);
-x_49 = lean_unsigned_to_nat(1u);
-x_50 = lean_nat_sub(x_48, x_49);
-x_51 = lean_nat_dec_lt(x_5, x_50);
-lean_dec(x_50);
-if (x_51 == 0)
-{
-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_11; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
+x_46 = lean_array_get_size(x_1);
+x_47 = lean_unsigned_to_nat(1u);
+x_48 = lean_nat_sub(x_46, x_47);
+x_49 = lean_nat_dec_lt(x_5, x_48);
 lean_dec(x_48);
+if (x_49 == 0)
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+lean_dec(x_46);
 lean_dec(x_2);
-x_52 = l_Lean_Elab_instInhabitedPreDefinition;
-x_53 = lean_array_get(x_52, x_1, x_5);
+x_50 = l_Lean_instInhabitedExpr;
+x_51 = lean_array_get(x_50, x_1, x_5);
 lean_dec(x_5);
 lean_dec(x_1);
-x_54 = lean_ctor_get(x_53, 5);
-lean_inc(x_54);
-lean_dec(x_53);
-x_55 = l_Lean_mkFVar(x_4);
-x_56 = l_Lean_mkApp(x_54, x_55);
-x_57 = l_Lean_Expr_headBeta(x_56);
-x_58 = l_Lean_Meta_assignExprMVar(x_3, x_57, x_6, x_7, x_8, x_9, x_10);
+x_52 = l_Lean_mkFVar(x_4);
+x_53 = l_Lean_mkApp(x_51, x_52);
+x_54 = l_Lean_Expr_headBeta(x_53);
+x_55 = l_Lean_Meta_assignExprMVar(x_3, x_54, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-return x_58;
+return x_55;
 }
 else
 {
-lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-x_59 = lean_unsigned_to_nat(2u);
-x_60 = lean_nat_sub(x_48, x_59);
-lean_dec(x_48);
-x_61 = lean_nat_dec_eq(x_5, x_60);
-lean_dec(x_60);
-if (x_61 == 0)
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_56 = lean_unsigned_to_nat(2u);
+x_57 = lean_nat_sub(x_46, x_56);
+lean_dec(x_46);
+x_58 = lean_nat_dec_eq(x_5, x_57);
+lean_dec(x_57);
+if (x_58 == 0)
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_62 = l_Lean_instInhabitedName;
-x_63 = lean_array_get(x_62, x_2, x_5);
-x_64 = lean_box(0);
-x_65 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_64);
-x_66 = 0;
-x_67 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_67, 0, x_65);
-lean_ctor_set_uint8(x_67, sizeof(void*)*1, x_66);
-x_68 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
-x_69 = lean_array_push(x_68, x_67);
-x_11 = x_69;
-goto block_47;
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_59 = l_Lean_instInhabitedName;
+x_60 = lean_array_get(x_59, x_2, x_5);
+x_61 = lean_box(0);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+x_63 = 0;
+x_64 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set_uint8(x_64, sizeof(void*)*1, x_63);
+x_65 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
+x_66 = lean_array_push(x_65, x_64);
+x_11 = x_66;
+goto block_45;
 }
 else
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t 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; 
-x_70 = l_Lean_instInhabitedName;
-x_71 = lean_array_get(x_70, x_2, x_5);
-x_72 = lean_box(0);
-x_73 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_73, 0, x_71);
-lean_ctor_set(x_73, 1, x_72);
-x_74 = 0;
-x_75 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set_uint8(x_75, sizeof(void*)*1, x_74);
-x_76 = lean_nat_add(x_5, x_49);
-x_77 = lean_array_get(x_70, x_2, x_76);
-lean_dec(x_76);
-x_78 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_78, 0, x_77);
-lean_ctor_set(x_78, 1, x_72);
-x_79 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set_uint8(x_79, sizeof(void*)*1, x_74);
-x_80 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__3;
-x_81 = lean_array_push(x_80, x_75);
-x_82 = lean_array_push(x_81, x_79);
-x_11 = x_82;
-goto block_47;
+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; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_67 = l_Lean_instInhabitedName;
+x_68 = lean_array_get(x_67, x_2, x_5);
+x_69 = lean_box(0);
+x_70 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_70, 0, x_68);
+lean_ctor_set(x_70, 1, x_69);
+x_71 = 0;
+x_72 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_72, 0, x_70);
+lean_ctor_set_uint8(x_72, sizeof(void*)*1, x_71);
+x_73 = lean_nat_add(x_5, x_47);
+x_74 = lean_array_get(x_67, x_2, x_73);
+lean_dec(x_73);
+x_75 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_69);
+x_76 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set_uint8(x_76, sizeof(void*)*1, x_71);
+x_77 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain___spec__1___closed__3;
+x_78 = lean_array_push(x_77, x_72);
+x_79 = lean_array_push(x_78, x_76);
+x_11 = x_79;
+goto block_45;
 }
 }
-block_47:
+block_45:
 {
 lean_object* x_12; 
 lean_inc(x_9);
@@ -1505,7 +1461,7 @@ return x_19;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 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_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; 
 x_20 = lean_unsigned_to_nat(0u);
 x_21 = lean_array_fget(x_13, x_20);
 x_22 = lean_unsigned_to_nat(1u);
@@ -1516,46 +1472,42 @@ lean_inc(x_24);
 lean_dec(x_21);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
-x_26 = l_Lean_Elab_instInhabitedPreDefinition;
+x_26 = l_Lean_instInhabitedExpr;
 x_27 = lean_array_get(x_26, x_1, x_5);
-x_28 = lean_ctor_get(x_27, 5);
+x_28 = lean_ctor_get(x_24, 1);
 lean_inc(x_28);
-lean_dec(x_27);
-x_29 = lean_ctor_get(x_24, 1);
-lean_inc(x_29);
 lean_dec(x_24);
-x_30 = l_Lean_instInhabitedExpr;
-x_31 = lean_array_get(x_30, x_29, x_20);
-lean_dec(x_29);
-x_32 = l_Lean_mkApp(x_28, x_31);
-x_33 = l_Lean_Expr_headBeta(x_32);
-x_34 = l_Lean_Meta_assignExprMVar(x_25, x_33, x_6, x_7, x_8, x_9, x_14);
-x_35 = lean_ctor_get(x_34, 1);
-lean_inc(x_35);
-lean_dec(x_34);
-x_36 = lean_ctor_get(x_23, 0);
-lean_inc(x_36);
+x_29 = lean_array_get(x_26, x_28, x_20);
+lean_dec(x_28);
+x_30 = l_Lean_mkApp(x_27, x_29);
+x_31 = l_Lean_Expr_headBeta(x_30);
+x_32 = l_Lean_Meta_assignExprMVar(x_25, x_31, x_6, x_7, x_8, x_9, x_14);
+x_33 = lean_ctor_get(x_32, 1);
+lean_inc(x_33);
+lean_dec(x_32);
+x_34 = lean_ctor_get(x_23, 0);
+lean_inc(x_34);
 lean_dec(x_23);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = lean_array_get(x_26, x_36, x_20);
 lean_dec(x_36);
-x_39 = lean_array_get(x_30, x_38, x_20);
-lean_dec(x_38);
-x_40 = l_Lean_Expr_fvarId_x21(x_39);
-x_41 = lean_nat_add(x_5, x_22);
+x_38 = l_Lean_Expr_fvarId_x21(x_37);
+x_39 = lean_nat_add(x_5, x_22);
 lean_dec(x_5);
-x_3 = x_37;
-x_4 = x_40;
-x_5 = x_41;
-x_10 = x_35;
+x_3 = x_35;
+x_4 = x_38;
+x_5 = x_39;
+x_10 = x_33;
 goto _start;
 }
 }
 else
 {
-uint8_t x_43; 
+uint8_t x_41; 
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -1563,23 +1515,23 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_43 = !lean_is_exclusive(x_12);
-if (x_43 == 0)
+x_41 = !lean_is_exclusive(x_12);
+if (x_41 == 0)
 {
 return x_12;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_12, 0);
-x_45 = lean_ctor_get(x_12, 1);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_12, 0);
+x_43 = lean_ctor_get(x_12, 1);
+lean_inc(x_43);
+lean_inc(x_42);
 lean_dec(x_12);
-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;
+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;
 }
 }
 }
@@ -1589,7 +1541,7 @@ static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDef
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("preDef.value.isLambda\n    ");
+x_1 = lean_mk_string("val.isLambda\n    ");
 return x_1;
 }
 }
@@ -1617,7 +1569,7 @@ _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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__4;
 x_2 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__3;
-x_3 = lean_unsigned_to_nat(68u);
+x_3 = lean_unsigned_to_nat(65u);
 x_4 = lean_unsigned_to_nat(4u);
 x_5 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1635,35 +1587,32 @@ return x_3;
 }
 else
 {
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; size_t x_10; size_t x_11; 
+lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; size_t x_9; size_t x_10; 
 x_5 = lean_array_uget(x_3, x_2);
 x_6 = lean_unsigned_to_nat(0u);
 x_7 = lean_array_uset(x_3, x_2, x_6);
-x_8 = lean_ctor_get(x_5, 5);
-lean_inc(x_8);
-lean_dec(x_5);
-x_9 = l_Lean_Expr_isLambda(x_8);
-x_10 = 1;
-x_11 = lean_usize_add(x_2, x_10);
-if (x_9 == 0)
+x_8 = l_Lean_Expr_isLambda(x_5);
+x_9 = 1;
+x_10 = lean_usize_add(x_2, x_9);
+if (x_8 == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_dec(x_8);
-x_12 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__4;
-x_13 = l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1(x_12);
-x_14 = lean_array_uset(x_7, x_2, x_13);
-x_2 = x_11;
-x_3 = x_14;
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+lean_dec(x_5);
+x_11 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues___spec__1___closed__4;
+x_12 = l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1(x_11);
+x_13 = lean_array_uset(x_7, x_2, x_12);
+x_2 = x_10;
+x_3 = x_13;
 goto _start;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; 
-x_16 = l_Lean_Expr_bindingName_x21(x_8);
-lean_dec(x_8);
-x_17 = lean_array_uset(x_7, x_2, x_16);
-x_2 = x_11;
-x_3 = x_17;
+lean_object* x_15; lean_object* x_16; 
+x_15 = l_Lean_Expr_bindingName_x21(x_5);
+lean_dec(x_5);
+x_16 = lean_array_uset(x_7, x_2, x_15);
+x_2 = x_10;
+x_3 = x_16;
 goto _start;
 }
 }
@@ -1752,7 +1701,7 @@ static lean_object* _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDef
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("args.size == 2\n            ");
+x_1 = lean_mk_string("args.size == 2\n          ");
 return x_1;
 }
 }
@@ -1780,8 +1729,8 @@ _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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__4;
 x_2 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__3;
-x_3 = lean_unsigned_to_nat(101u);
-x_4 = lean_unsigned_to_nat(12u);
+x_3 = lean_unsigned_to_nat(107u);
+x_4 = lean_unsigned_to_nat(10u);
 x_5 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
@@ -1856,7 +1805,7 @@ if (x_21 == 0)
 lean_object* x_22; lean_object* x_23; 
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_2);
+lean_dec(x_3);
 x_22 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__4;
 x_23 = l_panic___at_Lean_Meta_whnfCore___spec__1(x_22, x_8, x_9, x_10, x_11, x_12);
 return x_23;
@@ -1864,7 +1813,7 @@ return x_23;
 else
 {
 uint8_t x_24; 
-x_24 = lean_nat_dec_eq(x_4, x_3);
+x_24 = lean_nat_dec_eq(x_4, x_2);
 if (x_24 == 0)
 {
 lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
@@ -1956,7 +1905,7 @@ x_56 = lean_array_get(x_54, x_6, x_55);
 x_57 = lean_unsigned_to_nat(1u);
 x_58 = lean_array_get(x_54, x_6, x_57);
 lean_dec(x_6);
-x_59 = l_Lean_mkApp3(x_53, x_56, x_58, x_2);
+x_59 = l_Lean_mkApp3(x_53, x_56, x_58, x_3);
 x_60 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_60, 0, x_59);
 lean_ctor_set(x_60, 1, x_12);
@@ -2009,7 +1958,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_2);
+lean_dec(x_3);
 x_24 = !lean_is_exclusive(x_15);
 if (x_24 == 0)
 {
@@ -2039,7 +1988,7 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_2);
+lean_ctor_set(x_28, 0, x_3);
 lean_ctor_set(x_28, 1, x_10);
 return x_28;
 }
@@ -2051,7 +2000,7 @@ _start:
 lean_object* x_13; 
 x_13 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_4);
-lean_dec(x_3);
+lean_dec(x_2);
 lean_dec(x_1);
 return x_13;
 }
@@ -2062,7 +2011,7 @@ _start:
 lean_object* x_11; 
 x_11 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_4);
-lean_dec(x_3);
+lean_dec(x_2);
 lean_dec(x_1);
 return x_11;
 }
@@ -2088,144 +2037,192 @@ x_4 = lean_name_eq(x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post(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___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-if (lean_obj_tag(x_4) == 5)
+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_dec(x_7);
+x_13 = l_Lean_Expr_constName_x21(x_1);
+x_14 = l_Lean_Expr_constLevels_x21(x_1);
+x_15 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__2___boxed), 2, 1);
+lean_closure_set(x_15, 0, x_13);
+x_16 = lean_array_get_size(x_3);
+x_17 = lean_unsigned_to_nat(0u);
+x_18 = l_Array_findIdx_x3f_loop___rarg(x_3, x_15, x_16, x_17, lean_box(0));
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_10; 
-x_10 = lean_ctor_get(x_4, 0);
-lean_inc(x_10);
-if (lean_obj_tag(x_10) == 4)
-{
-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_4, 1);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_10, 1);
-lean_inc(x_13);
+lean_object* x_19; lean_object* x_20; 
+lean_dec(x_14);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_19 = lean_box(0);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__1(x_2, x_19, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_11);
 lean_dec(x_10);
-x_14 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__2___boxed), 2, 1);
-lean_closure_set(x_14, 0, x_12);
-x_15 = lean_array_get_size(x_1);
-x_16 = lean_unsigned_to_nat(0u);
-x_17 = l_Array_findIdx_x3f_loop___rarg(x_1, x_14, x_15, x_16, lean_box(0));
-if (lean_obj_tag(x_17) == 0)
+lean_dec(x_9);
+lean_dec(x_8);
+return x_20;
+}
+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; lean_object* x_30; lean_object* x_31; 
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = l_Lean_Expr_getAppNumArgsAux(x_2, x_17);
+x_23 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__7;
+lean_inc(x_22);
+x_24 = lean_mk_array(x_22, x_23);
+x_25 = lean_unsigned_to_nat(1u);
+x_26 = lean_nat_sub(x_22, x_25);
+lean_dec(x_22);
+x_27 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_24, x_26);
+lean_inc(x_27);
+x_28 = l_Array_toSubarray___rarg(x_27, x_17, x_4);
+x_29 = l_Lean_instInhabitedExpr;
+x_30 = l_Array_back___rarg(x_29, x_27);
+lean_dec(x_27);
+x_31 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg(x_3, x_21, x_30, x_17, x_5, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_21);
+lean_dec(x_3);
+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; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_33 = lean_ctor_get(x_31, 0);
+x_34 = l_Lean_mkConst(x_6, x_14);
+x_35 = l_Array_ofSubarray___rarg(x_28);
+x_36 = l_Lean_mkAppN(x_34, x_35);
+x_37 = l_Lean_mkApp(x_36, x_33);
+x_38 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_31, 0, x_38);
+return x_31;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_39 = lean_ctor_get(x_31, 0);
+x_40 = lean_ctor_get(x_31, 1);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_31);
+x_41 = l_Lean_mkConst(x_6, x_14);
+x_42 = l_Array_ofSubarray___rarg(x_28);
+x_43 = l_Lean_mkAppN(x_41, x_42);
+x_44 = l_Lean_mkApp(x_43, x_39);
+x_45 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_45, 0, x_44);
+x_46 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_40);
+return x_46;
+}
+}
+else
+{
+uint8_t x_47; 
+lean_dec(x_28);
+lean_dec(x_14);
+lean_dec(x_6);
+x_47 = !lean_is_exclusive(x_31);
+if (x_47 == 0)
+{
+return x_31;
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_31, 0);
+x_49 = lean_ctor_get(x_31, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_31);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___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) {
+_start:
+{
+lean_object* x_12; uint8_t x_13; 
+lean_dec(x_6);
+x_12 = l_Lean_Expr_getAppFn(x_1);
+x_13 = l_Lean_Expr_isConst(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_14 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_14, 0, x_1);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_11);
+return x_15;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_box(0);
+x_17 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__3(x_12, x_1, x_2, x_3, x_4, x_5, x_16, x_7, x_8, x_9, x_10, x_11);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post(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; uint8_t x_15; 
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = l_Lean_Expr_getAppNumArgsAux(x_5, x_11);
+x_13 = lean_unsigned_to_nat(1u);
+x_14 = lean_nat_add(x_1, x_13);
+x_15 = lean_nat_dec_eq(x_12, x_14);
+lean_dec(x_14);
+lean_dec(x_12);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_16, 0, x_5);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_10);
+return x_17;
+}
+else
 {
 lean_object* x_18; lean_object* x_19; 
-lean_dec(x_13);
-lean_dec(x_11);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
 x_18 = lean_box(0);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__1(x_4, x_18, 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);
+x_19 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__4(x_5, x_2, x_1, x_3, x_4, x_18, x_6, x_7, x_8, x_9, x_10);
 return x_19;
 }
-else
-{
-lean_object* x_20; lean_object* x_21; 
-lean_dec(x_4);
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg(x_1, x_11, x_20, x_16, x_2, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_20);
-lean_dec(x_1);
-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; lean_object* x_26; 
-x_23 = lean_ctor_get(x_21, 0);
-x_24 = l_Lean_mkConst(x_3, x_13);
-x_25 = l_Lean_mkApp(x_24, x_23);
-x_26 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_21, 0, x_26);
-return x_21;
-}
-else
-{
-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_27 = lean_ctor_get(x_21, 0);
-x_28 = lean_ctor_get(x_21, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_21);
-x_29 = l_Lean_mkConst(x_3, x_13);
-x_30 = l_Lean_mkApp(x_29, x_27);
-x_31 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_31, 0, 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_28);
-return x_32;
-}
-}
-else
-{
-uint8_t x_33; 
-lean_dec(x_13);
-lean_dec(x_3);
-x_33 = !lean_is_exclusive(x_21);
-if (x_33 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_21, 0);
-x_35 = lean_ctor_get(x_21, 1);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_21);
-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_object* x_38; 
-lean_dec(x_10);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_37 = lean_box(0);
-x_38 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__1(x_4, x_37, 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);
-return x_38;
-}
-}
-else
-{
-lean_object* x_39; lean_object* x_40; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = lean_box(0);
-x_40 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___lambda__1(x_4, x_39, 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);
-return x_40;
-}
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post___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) {
@@ -2252,6 +2249,358 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___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) {
+_start:
+{
+uint8_t x_10; 
+x_10 = lean_usize_dec_lt(x_3, x_2);
+if (x_10 == 0)
+{
+lean_object* x_11; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_4);
+lean_ctor_set(x_11, 1, x_9);
+return x_11;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_array_uget(x_4, x_3);
+x_13 = lean_unsigned_to_nat(0u);
+x_14 = lean_array_uset(x_4, x_3, x_13);
+x_15 = lean_ctor_get(x_12, 4);
+lean_inc(x_15);
+lean_dec(x_12);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_16 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_1, x_13, x_15, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_17; lean_object* x_18; size_t x_19; size_t 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_16);
+x_19 = 1;
+x_20 = lean_usize_add(x_3, x_19);
+x_21 = lean_array_uset(x_14, x_3, x_17);
+x_3 = x_20;
+x_4 = x_21;
+x_9 = x_18;
+goto _start;
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_14);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_23 = !lean_is_exclusive(x_16);
+if (x_23 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_16, 0);
+x_25 = lean_ctor_get(x_16, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_16);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_lt(x_3, x_2);
+if (x_5 == 0)
+{
+return x_4;
+}
+else
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; 
+x_6 = lean_array_uget(x_4, x_3);
+x_7 = lean_unsigned_to_nat(0u);
+x_8 = lean_array_uset(x_4, x_3, x_7);
+x_9 = l_Lean_Expr_bindingBody_x21(x_6);
+lean_dec(x_6);
+x_10 = lean_expr_instantiate1(x_9, x_1);
+lean_dec(x_9);
+x_11 = 1;
+x_12 = lean_usize_add(x_3, x_11);
+x_13 = lean_array_uset(x_8, x_3, x_10);
+x_3 = x_12;
+x_4 = x_13;
+goto _start;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go___rarg___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:
+{
+lean_object* x_12; lean_object* x_13; size_t x_14; size_t x_15; lean_object* x_16; lean_object* x_17; 
+lean_inc(x_6);
+x_12 = lean_array_push(x_1, x_6);
+x_13 = lean_array_get_size(x_2);
+x_14 = lean_usize_of_nat(x_13);
+lean_dec(x_13);
+x_15 = 0;
+x_16 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2(x_6, x_14, x_15, x_2);
+lean_dec(x_6);
+x_17 = l_Lean_Elab_WF_withFixedPrefix_go___rarg(x_3, x_4, x_5, x_12, x_16, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_5);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go___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, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; uint8_t x_12; 
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_nat_dec_eq(x_3, x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_unsigned_to_nat(1u);
+x_14 = lean_nat_sub(x_3, x_13);
+x_15 = l_Lean_instInhabitedExpr;
+x_16 = lean_array_get(x_15, x_5, x_11);
+x_17 = l_Lean_Expr_bindingName_x21(x_16);
+x_18 = l_Lean_Expr_binderInfo(x_16);
+x_19 = l_Lean_Expr_bindingDomain_x21(x_16);
+lean_dec(x_16);
+x_20 = lean_alloc_closure((void*)(l_Lean_Elab_WF_withFixedPrefix_go___rarg___lambda__1), 11, 5);
+lean_closure_set(x_20, 0, x_4);
+lean_closure_set(x_20, 1, x_5);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_14);
+x_21 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_17, x_18, x_19, x_20, x_6, x_7, x_8, x_9, x_10);
+return x_21;
+}
+else
+{
+lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+x_22 = lean_array_get_size(x_1);
+x_23 = lean_usize_of_nat(x_22);
+lean_dec(x_22);
+x_24 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_25 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__1(x_4, x_23, x_24, x_1, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+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_apply_8(x_2, x_4, x_26, x_5, x_6, x_7, x_8, x_9, x_27);
+return x_28;
+}
+else
+{
+uint8_t x_29; 
+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_2);
+x_29 = !lean_is_exclusive(x_25);
+if (x_29 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_25, 0);
+x_31 = lean_ctor_get(x_25, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_25);
+x_32 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+return x_32;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_WF_withFixedPrefix_go___rarg___boxed), 10, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___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:
+{
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_11 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__1(x_1, x_10, x_11, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_1);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; lean_object* x_7; 
+x_5 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_6 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_7 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix_go___spec__2(x_1, x_5, x_6, x_4);
+lean_dec(x_1);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix_go___rarg___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_WF_withFixedPrefix_go___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_3);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = lean_usize_dec_lt(x_2, x_1);
+if (x_4 == 0)
+{
+return x_3;
+}
+else
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; size_t x_9; size_t x_10; lean_object* x_11; 
+x_5 = lean_array_uget(x_3, x_2);
+x_6 = lean_unsigned_to_nat(0u);
+x_7 = lean_array_uset(x_3, x_2, x_6);
+x_8 = lean_ctor_get(x_5, 5);
+lean_inc(x_8);
+lean_dec(x_5);
+x_9 = 1;
+x_10 = lean_usize_add(x_2, x_9);
+x_11 = lean_array_uset(x_7, x_2, x_8);
+x_2 = x_10;
+x_3 = x_11;
+goto _start;
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = lean_mk_empty_array_with_capacity(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix___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) {
+_start:
+{
+lean_object* x_9; size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_9 = lean_array_get_size(x_2);
+x_10 = lean_usize_of_nat(x_9);
+lean_dec(x_9);
+x_11 = 0;
+lean_inc(x_2);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(x_10, x_11, x_2);
+x_13 = l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1;
+x_14 = l_Lean_Elab_WF_withFixedPrefix_go___rarg(x_2, x_3, x_1, x_13, x_12, x_4, x_5, x_6, x_7, x_8);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_WF_withFixedPrefix___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+size_t x_4; size_t x_5; lean_object* x_6; 
+x_4 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_5 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_6 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_withFixedPrefix___spec__1(x_4, x_5, x_3);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_withFixedPrefix___rarg___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_Elab_WF_withFixedPrefix___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_1);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = lean_usize_dec_lt(x_2, x_1);
+if (x_4 == 0)
+{
+return x_3;
+}
+else
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; size_t x_9; size_t x_10; lean_object* x_11; 
+x_5 = lean_array_uget(x_3, x_2);
+x_6 = lean_unsigned_to_nat(0u);
+x_7 = lean_array_uset(x_3, x_2, x_6);
+x_8 = l_Lean_Expr_bindingDomain_x21(x_5);
+lean_dec(x_5);
+x_9 = 1;
+x_10 = lean_usize_add(x_2, x_9);
+x_11 = lean_array_uset(x_7, x_2, x_8);
+x_2 = x_10;
+x_3 = x_11;
+goto _start;
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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:
 {
@@ -2290,638 +2639,684 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packMutual___lambda__1___boxed),
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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) {
 _start:
 {
-lean_object* x_9; 
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_1);
-lean_inc(x_3);
-x_9 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain(x_3, x_1, x_4, x_5, x_6, x_7, x_8);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; uint8_t x_15; lean_object* x_16; 
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
+lean_object* x_13; 
 lean_inc(x_11);
-lean_dec(x_9);
-x_12 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__9;
-lean_inc(x_3);
-x_13 = lean_array_push(x_12, x_3);
-x_14 = 0;
-x_15 = 1;
-lean_inc(x_4);
 lean_inc(x_10);
-lean_inc(x_13);
-x_16 = l_Lean_Meta_mkForallFVars(x_13, x_10, x_14, x_15, x_4, x_5, x_6, x_7, x_11);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-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_16);
+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_19 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues(x_3, x_10, x_1, x_4, x_5, x_6, x_7, x_18);
-if (lean_obj_tag(x_19) == 0)
+x_13 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain(x_7, x_1, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_13) == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
-lean_dec(x_19);
-x_22 = l_Lean_Elab_instInhabitedPreDefinition;
-x_23 = lean_unsigned_to_nat(0u);
-x_24 = lean_array_get(x_22, x_1, x_23);
-x_25 = lean_ctor_get(x_24, 3);
-lean_inc(x_25);
-x_26 = l_Lean_Elab_WF_packMutual___lambda__2___closed__2;
-x_27 = l_Lean_Name_append(x_25, x_26);
-lean_dec(x_25);
-x_28 = !lean_is_exclusive(x_24);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t 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; 
-x_29 = lean_ctor_get(x_24, 0);
-x_30 = lean_ctor_get_uint8(x_24, sizeof(void*)*6);
-x_31 = lean_ctor_get(x_24, 1);
-x_32 = lean_ctor_get(x_24, 2);
-x_33 = lean_ctor_get(x_24, 5);
-lean_dec(x_33);
-x_34 = lean_ctor_get(x_24, 4);
-lean_dec(x_34);
-x_35 = lean_ctor_get(x_24, 3);
-lean_dec(x_35);
-lean_inc(x_20);
-lean_inc(x_17);
-lean_inc(x_27);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_29);
-lean_ctor_set(x_24, 5, x_20);
-lean_ctor_set(x_24, 4, x_17);
-lean_ctor_set(x_24, 3, x_27);
-lean_inc(x_6);
-x_36 = l_Lean_Elab_addAsAxiom(x_24, x_4, x_5, x_6, x_7, x_21);
-lean_dec(x_24);
-if (lean_obj_tag(x_36) == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_37 = lean_ctor_get(x_36, 1);
-lean_inc(x_37);
-lean_dec(x_36);
-lean_inc(x_27);
-x_38 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post), 9, 3);
-lean_closure_set(x_38, 0, x_1);
-lean_closure_set(x_38, 1, x_2);
-lean_closure_set(x_38, 2, x_27);
-x_39 = l_Lean_Elab_WF_packMutual___lambda__2___closed__3;
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_40 = l_Lean_Meta_transform___at_Lean_Meta_expandCoe___spec__1(x_20, x_39, x_38, x_4, x_5, x_6, x_7, x_37);
-if (lean_obj_tag(x_40) == 0)
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_40, 1);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = l_Lean_Meta_mkLambdaFVars(x_13, x_41, x_14, x_15, x_4, x_5, x_6, x_7, x_42);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-if (lean_obj_tag(x_43) == 0)
-{
-uint8_t x_44; 
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_ctor_get(x_43, 0);
-x_46 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_46, 0, x_29);
-lean_ctor_set(x_46, 1, x_31);
-lean_ctor_set(x_46, 2, x_32);
-lean_ctor_set(x_46, 3, x_27);
-lean_ctor_set(x_46, 4, x_17);
-lean_ctor_set(x_46, 5, x_45);
-lean_ctor_set_uint8(x_46, sizeof(void*)*6, x_30);
-lean_ctor_set(x_43, 0, x_46);
-return x_43;
-}
-else
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_47 = lean_ctor_get(x_43, 0);
-x_48 = lean_ctor_get(x_43, 1);
-lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_43);
-x_49 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_49, 0, x_29);
-lean_ctor_set(x_49, 1, x_31);
-lean_ctor_set(x_49, 2, x_32);
-lean_ctor_set(x_49, 3, x_27);
-lean_ctor_set(x_49, 4, x_17);
-lean_ctor_set(x_49, 5, x_47);
-lean_ctor_set_uint8(x_49, sizeof(void*)*6, x_30);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
-}
-}
-else
-{
-uint8_t x_51; 
-lean_dec(x_32);
-lean_dec(x_31);
-lean_dec(x_29);
-lean_dec(x_27);
-lean_dec(x_17);
-x_51 = !lean_is_exclusive(x_43);
-if (x_51 == 0)
-{
-return x_43;
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_43, 0);
-x_53 = lean_ctor_get(x_43, 1);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_43);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
-}
-}
-}
-else
-{
-uint8_t x_55; 
-lean_dec(x_32);
-lean_dec(x_31);
-lean_dec(x_29);
-lean_dec(x_27);
-lean_dec(x_17);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_40);
-if (x_55 == 0)
-{
-return x_40;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_40, 0);
-x_57 = lean_ctor_get(x_40, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_40);
-x_58 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_58, 0, x_56);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-}
-else
-{
-uint8_t x_59; 
-lean_dec(x_32);
-lean_dec(x_31);
-lean_dec(x_29);
-lean_dec(x_27);
-lean_dec(x_20);
-lean_dec(x_17);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_59 = !lean_is_exclusive(x_36);
-if (x_59 == 0)
-{
-return x_36;
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_36, 0);
-x_61 = lean_ctor_get(x_36, 1);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_36);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
-}
-}
-}
-else
-{
-lean_object* x_63; uint8_t x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_63 = lean_ctor_get(x_24, 0);
-x_64 = lean_ctor_get_uint8(x_24, sizeof(void*)*6);
-x_65 = lean_ctor_get(x_24, 1);
-x_66 = lean_ctor_get(x_24, 2);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_63);
-lean_dec(x_24);
-lean_inc(x_20);
-lean_inc(x_17);
-lean_inc(x_27);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_63);
-x_67 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_67, 0, x_63);
-lean_ctor_set(x_67, 1, x_65);
-lean_ctor_set(x_67, 2, x_66);
-lean_ctor_set(x_67, 3, x_27);
-lean_ctor_set(x_67, 4, x_17);
-lean_ctor_set(x_67, 5, x_20);
-lean_ctor_set_uint8(x_67, sizeof(void*)*6, x_64);
-lean_inc(x_6);
-x_68 = l_Lean_Elab_addAsAxiom(x_67, x_4, x_5, x_6, x_7, x_21);
-lean_dec(x_67);
-if (lean_obj_tag(x_68) == 0)
-{
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-lean_dec(x_68);
-lean_inc(x_27);
-x_70 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post), 9, 3);
-lean_closure_set(x_70, 0, x_1);
-lean_closure_set(x_70, 1, x_2);
-lean_closure_set(x_70, 2, x_27);
-x_71 = l_Lean_Elab_WF_packMutual___lambda__2___closed__3;
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_72 = l_Lean_Meta_transform___at_Lean_Meta_expandCoe___spec__1(x_20, x_71, x_70, x_4, x_5, x_6, x_7, x_69);
-if (lean_obj_tag(x_72) == 0)
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_72, 1);
-lean_inc(x_74);
-lean_dec(x_72);
-x_75 = l_Lean_Meta_mkLambdaFVars(x_13, x_73, x_14, x_15, x_4, x_5, x_6, x_7, x_74);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-if (lean_obj_tag(x_75) == 0)
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_76 = lean_ctor_get(x_75, 0);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_75, 1);
-lean_inc(x_77);
-if (lean_is_exclusive(x_75)) {
- lean_ctor_release(x_75, 0);
- lean_ctor_release(x_75, 1);
- x_78 = x_75;
-} else {
- lean_dec_ref(x_75);
- x_78 = lean_box(0);
-}
-x_79 = lean_alloc_ctor(0, 6, 1);
-lean_ctor_set(x_79, 0, x_63);
-lean_ctor_set(x_79, 1, x_65);
-lean_ctor_set(x_79, 2, x_66);
-lean_ctor_set(x_79, 3, x_27);
-lean_ctor_set(x_79, 4, x_17);
-lean_ctor_set(x_79, 5, x_76);
-lean_ctor_set_uint8(x_79, sizeof(void*)*6, x_64);
-if (lean_is_scalar(x_78)) {
- x_80 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_80 = x_78;
-}
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_77);
-return x_80;
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_63);
-lean_dec(x_27);
-lean_dec(x_17);
-x_81 = lean_ctor_get(x_75, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_75, 1);
-lean_inc(x_82);
-if (lean_is_exclusive(x_75)) {
- lean_ctor_release(x_75, 0);
- lean_ctor_release(x_75, 1);
- x_83 = x_75;
-} else {
- lean_dec_ref(x_75);
- x_83 = lean_box(0);
-}
-if (lean_is_scalar(x_83)) {
- x_84 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_84 = x_83;
-}
-lean_ctor_set(x_84, 0, x_81);
-lean_ctor_set(x_84, 1, x_82);
-return x_84;
-}
-}
-else
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_63);
-lean_dec(x_27);
-lean_dec(x_17);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_85 = lean_ctor_get(x_72, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_72, 1);
-lean_inc(x_86);
-if (lean_is_exclusive(x_72)) {
- lean_ctor_release(x_72, 0);
- lean_ctor_release(x_72, 1);
- x_87 = x_72;
-} else {
- lean_dec_ref(x_72);
- x_87 = lean_box(0);
-}
-if (lean_is_scalar(x_87)) {
- x_88 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_88 = x_87;
-}
-lean_ctor_set(x_88, 0, x_85);
-lean_ctor_set(x_88, 1, x_86);
-return x_88;
-}
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_63);
-lean_dec(x_27);
-lean_dec(x_20);
-lean_dec(x_17);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_89 = lean_ctor_get(x_68, 0);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_68, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- x_91 = x_68;
-} else {
- lean_dec_ref(x_68);
- 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
-{
-uint8_t x_93; 
-lean_dec(x_17);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_93 = !lean_is_exclusive(x_19);
-if (x_93 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_19, 0);
-x_95 = lean_ctor_get(x_19, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_19);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_94);
-lean_ctor_set(x_96, 1, x_95);
-return x_96;
-}
-}
-}
-else
-{
-uint8_t x_97; 
-lean_dec(x_13);
-lean_dec(x_10);
-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_97 = !lean_is_exclusive(x_16);
-if (x_97 == 0)
-{
-return x_16;
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_98 = lean_ctor_get(x_16, 0);
-x_99 = lean_ctor_get(x_16, 1);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_dec(x_16);
-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
-{
-uint8_t x_101; 
-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_101 = !lean_is_exclusive(x_9);
-if (x_101 == 0)
-{
-return x_9;
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_102 = lean_ctor_get(x_9, 0);
-x_103 = lean_ctor_get(x_9, 1);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_9);
-x_104 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-return x_104;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; 
-lean_inc(x_1);
-x_8 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_getDomains(x_1);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_9 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain(x_8, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
-lean_inc(x_11);
-lean_dec(x_9);
-x_12 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__11;
-x_13 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_12, x_5, x_6, x_11);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; uint8_t x_18; lean_object* x_19; 
 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);
-lean_inc(x_10);
-x_16 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packMutual___lambda__2), 8, 2);
-lean_closure_set(x_16, 0, x_1);
-lean_closure_set(x_16, 1, x_10);
+lean_inc(x_7);
+x_16 = lean_array_push(x_2, x_7);
 x_17 = 0;
-x_18 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_14, x_17, x_10, x_16, x_3, x_4, x_5, x_6, x_15);
-return x_18;
+x_18 = 1;
+lean_inc(x_8);
+lean_inc(x_14);
+lean_inc(x_16);
+x_19 = l_Lean_Meta_mkForallFVars(x_16, x_14, x_17, x_18, x_8, x_9, x_10, x_11, x_15);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_22 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_packValues(x_7, x_14, x_3, x_8, x_9, x_10, x_11, x_21);
+if (lean_obj_tag(x_22) == 0)
+{
+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; uint8_t x_31; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l_Lean_Elab_instInhabitedPreDefinition;
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = lean_array_get(x_25, x_4, x_26);
+x_28 = lean_ctor_get(x_27, 3);
+lean_inc(x_28);
+x_29 = l_Lean_Elab_WF_packMutual___lambda__2___closed__2;
+x_30 = l_Lean_Name_append(x_28, x_29);
+lean_dec(x_28);
+x_31 = !lean_is_exclusive(x_27);
+if (x_31 == 0)
+{
+lean_object* x_32; uint8_t 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_27, 0);
+x_33 = lean_ctor_get_uint8(x_27, sizeof(void*)*6);
+x_34 = lean_ctor_get(x_27, 1);
+x_35 = lean_ctor_get(x_27, 2);
+x_36 = lean_ctor_get(x_27, 5);
+lean_dec(x_36);
+x_37 = lean_ctor_get(x_27, 4);
+lean_dec(x_37);
+x_38 = lean_ctor_get(x_27, 3);
+lean_dec(x_38);
+lean_inc(x_23);
+lean_inc(x_20);
+lean_inc(x_30);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_inc(x_32);
+lean_ctor_set(x_27, 5, x_23);
+lean_ctor_set(x_27, 4, x_20);
+lean_ctor_set(x_27, 3, x_30);
+lean_inc(x_10);
+x_39 = l_Lean_Elab_addAsAxiom(x_27, x_8, x_9, x_10, x_11, x_24);
+lean_dec(x_27);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+lean_dec(x_39);
+lean_inc(x_30);
+x_41 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post), 10, 4);
+lean_closure_set(x_41, 0, x_5);
+lean_closure_set(x_41, 1, x_4);
+lean_closure_set(x_41, 2, x_6);
+lean_closure_set(x_41, 3, x_30);
+x_42 = l_Lean_Elab_WF_packMutual___lambda__2___closed__3;
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_43 = l_Lean_Meta_transform___at_Lean_Meta_expandCoe___spec__1(x_23, x_42, x_41, x_8, x_9, x_10, x_11, x_40);
+if (lean_obj_tag(x_43) == 0)
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = l_Lean_Meta_mkLambdaFVars(x_16, x_44, x_17, x_18, x_8, x_9, x_10, x_11, x_45);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+if (lean_obj_tag(x_46) == 0)
+{
+uint8_t x_47; 
+x_47 = !lean_is_exclusive(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+x_48 = lean_ctor_get(x_46, 0);
+x_49 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_49, 0, x_32);
+lean_ctor_set(x_49, 1, x_34);
+lean_ctor_set(x_49, 2, x_35);
+lean_ctor_set(x_49, 3, x_30);
+lean_ctor_set(x_49, 4, x_20);
+lean_ctor_set(x_49, 5, x_48);
+lean_ctor_set_uint8(x_49, sizeof(void*)*6, x_33);
+lean_ctor_set(x_46, 0, x_49);
+return x_46;
 }
 else
 {
-uint8_t x_19; 
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_50 = lean_ctor_get(x_46, 0);
+x_51 = lean_ctor_get(x_46, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_46);
+x_52 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_52, 0, x_32);
+lean_ctor_set(x_52, 1, x_34);
+lean_ctor_set(x_52, 2, x_35);
+lean_ctor_set(x_52, 3, x_30);
+lean_ctor_set(x_52, 4, x_20);
+lean_ctor_set(x_52, 5, x_50);
+lean_ctor_set_uint8(x_52, sizeof(void*)*6, x_33);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_51);
+return x_53;
+}
+}
+else
+{
+uint8_t x_54; 
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_32);
+lean_dec(x_30);
+lean_dec(x_20);
+x_54 = !lean_is_exclusive(x_46);
+if (x_54 == 0)
+{
+return x_46;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_46, 0);
+x_56 = lean_ctor_get(x_46, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_46);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_32);
+lean_dec(x_30);
+lean_dec(x_20);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_58 = !lean_is_exclusive(x_43);
+if (x_58 == 0)
+{
+return x_43;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_43, 0);
+x_60 = lean_ctor_get(x_43, 1);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_43);
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
+}
+}
+}
+else
+{
+uint8_t x_62; 
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_32);
+lean_dec(x_30);
+lean_dec(x_23);
+lean_dec(x_20);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_62 = !lean_is_exclusive(x_39);
+if (x_62 == 0)
+{
+return x_39;
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_39, 0);
+x_64 = lean_ctor_get(x_39, 1);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_39);
+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;
+}
+}
+}
+else
+{
+lean_object* x_66; uint8_t x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_66 = lean_ctor_get(x_27, 0);
+x_67 = lean_ctor_get_uint8(x_27, sizeof(void*)*6);
+x_68 = lean_ctor_get(x_27, 1);
+x_69 = lean_ctor_get(x_27, 2);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_inc(x_66);
+lean_dec(x_27);
+lean_inc(x_23);
+lean_inc(x_20);
+lean_inc(x_30);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_inc(x_66);
+x_70 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_70, 0, x_66);
+lean_ctor_set(x_70, 1, x_68);
+lean_ctor_set(x_70, 2, x_69);
+lean_ctor_set(x_70, 3, x_30);
+lean_ctor_set(x_70, 4, x_20);
+lean_ctor_set(x_70, 5, x_23);
+lean_ctor_set_uint8(x_70, sizeof(void*)*6, x_67);
+lean_inc(x_10);
+x_71 = l_Lean_Elab_addAsAxiom(x_70, x_8, x_9, x_10, x_11, x_24);
+lean_dec(x_70);
+if (lean_obj_tag(x_71) == 0)
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_71, 1);
+lean_inc(x_72);
+lean_dec(x_71);
+lean_inc(x_30);
+x_73 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post), 10, 4);
+lean_closure_set(x_73, 0, x_5);
+lean_closure_set(x_73, 1, x_4);
+lean_closure_set(x_73, 2, x_6);
+lean_closure_set(x_73, 3, x_30);
+x_74 = l_Lean_Elab_WF_packMutual___lambda__2___closed__3;
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_75 = l_Lean_Meta_transform___at_Lean_Meta_expandCoe___spec__1(x_23, x_74, x_73, x_8, x_9, x_10, x_11, x_72);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+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_78 = l_Lean_Meta_mkLambdaFVars(x_16, x_76, x_17, x_18, x_8, x_9, x_10, x_11, x_77);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+if (lean_obj_tag(x_78) == 0)
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
+if (lean_is_exclusive(x_78)) {
+ lean_ctor_release(x_78, 0);
+ lean_ctor_release(x_78, 1);
+ x_81 = x_78;
+} else {
+ lean_dec_ref(x_78);
+ x_81 = lean_box(0);
+}
+x_82 = lean_alloc_ctor(0, 6, 1);
+lean_ctor_set(x_82, 0, x_66);
+lean_ctor_set(x_82, 1, x_68);
+lean_ctor_set(x_82, 2, x_69);
+lean_ctor_set(x_82, 3, x_30);
+lean_ctor_set(x_82, 4, x_20);
+lean_ctor_set(x_82, 5, x_79);
+lean_ctor_set_uint8(x_82, sizeof(void*)*6, x_67);
+if (lean_is_scalar(x_81)) {
+ x_83 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_83 = x_81;
+}
+lean_ctor_set(x_83, 0, x_82);
+lean_ctor_set(x_83, 1, x_80);
+return x_83;
+}
+else
+{
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+lean_dec(x_69);
+lean_dec(x_68);
+lean_dec(x_66);
+lean_dec(x_30);
+lean_dec(x_20);
+x_84 = lean_ctor_get(x_78, 0);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_78, 1);
+lean_inc(x_85);
+if (lean_is_exclusive(x_78)) {
+ lean_ctor_release(x_78, 0);
+ lean_ctor_release(x_78, 1);
+ x_86 = x_78;
+} else {
+ lean_dec_ref(x_78);
+ x_86 = lean_box(0);
+}
+if (lean_is_scalar(x_86)) {
+ x_87 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_87 = x_86;
+}
+lean_ctor_set(x_87, 0, x_84);
+lean_ctor_set(x_87, 1, x_85);
+return x_87;
+}
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+lean_dec(x_69);
+lean_dec(x_68);
+lean_dec(x_66);
+lean_dec(x_30);
+lean_dec(x_20);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_88 = lean_ctor_get(x_75, 0);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_75, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_90 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_90 = lean_box(0);
+}
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_91 = x_90;
+}
+lean_ctor_set(x_91, 0, x_88);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
+}
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+lean_dec(x_69);
+lean_dec(x_68);
+lean_dec(x_66);
+lean_dec(x_30);
+lean_dec(x_23);
+lean_dec(x_20);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_92 = lean_ctor_get(x_71, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_71, 1);
+lean_inc(x_93);
+if (lean_is_exclusive(x_71)) {
+ lean_ctor_release(x_71, 0);
+ lean_ctor_release(x_71, 1);
+ x_94 = x_71;
+} else {
+ lean_dec_ref(x_71);
+ 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
+{
+uint8_t x_96; 
+lean_dec(x_20);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_96 = !lean_is_exclusive(x_22);
+if (x_96 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_97 = lean_ctor_get(x_22, 0);
+x_98 = lean_ctor_get(x_22, 1);
+lean_inc(x_98);
+lean_inc(x_97);
+lean_dec(x_22);
+x_99 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_99, 0, x_97);
+lean_ctor_set(x_99, 1, x_98);
+return x_99;
+}
+}
+}
+else
+{
+uint8_t x_100; 
+lean_dec(x_16);
+lean_dec(x_14);
+lean_dec(x_11);
+lean_dec(x_10);
+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);
+x_100 = !lean_is_exclusive(x_19);
+if (x_100 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+x_101 = lean_ctor_get(x_19, 0);
+x_102 = lean_ctor_get(x_19, 1);
+lean_inc(x_102);
+lean_inc(x_101);
+lean_dec(x_19);
+x_103 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+return x_103;
+}
+}
+}
+else
+{
+uint8_t x_104; 
+lean_dec(x_11);
+lean_dec(x_10);
+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_104 = !lean_is_exclusive(x_13);
+if (x_104 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_105 = lean_ctor_get(x_13, 0);
+x_106 = lean_ctor_get(x_13, 1);
+lean_inc(x_106);
+lean_inc(x_105);
+lean_dec(x_13);
+x_107 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_107, 0, x_105);
+lean_ctor_set(x_107, 1, x_106);
+return x_107;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; size_t x_12; size_t x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_array_get_size(x_4);
+x_12 = lean_usize_of_nat(x_11);
+lean_dec(x_11);
+x_13 = 0;
+lean_inc(x_4);
+x_14 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1(x_12, x_13, x_4);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_15 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewDomain(x_14, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_mkNewCoDomain_go___closed__11;
+x_19 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_18, x_8, x_9, x_17);
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+lean_inc(x_16);
+x_22 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packMutual___lambda__2), 12, 6);
+lean_closure_set(x_22, 0, x_4);
+lean_closure_set(x_22, 1, x_3);
+lean_closure_set(x_22, 2, x_5);
+lean_closure_set(x_22, 3, x_1);
+lean_closure_set(x_22, 4, x_2);
+lean_closure_set(x_22, 5, x_16);
+x_23 = 0;
+x_24 = l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(x_20, x_23, x_16, x_22, x_6, x_7, x_8, x_9, x_21);
+return x_24;
+}
+else
+{
+uint8_t x_25; 
+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_25 = !lean_is_exclusive(x_15);
+if (x_25 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_15, 0);
+x_27 = lean_ctor_get(x_15, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_15);
+x_28 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; 
+lean_inc(x_2);
+lean_inc(x_1);
+x_9 = lean_alloc_closure((void*)(l_Lean_Elab_WF_packMutual___lambda__3), 10, 2);
+lean_closure_set(x_9, 0, x_1);
+lean_closure_set(x_9, 1, x_2);
+x_10 = l_Lean_Elab_WF_withFixedPrefix___rarg(x_2, x_1, x_9, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual(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; uint8_t x_10; 
+x_8 = lean_array_get_size(x_2);
+x_9 = lean_unsigned_to_nat(1u);
+x_10 = lean_nat_dec_eq(x_8, x_9);
+lean_dec(x_8);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_box(0);
+x_12 = l_Lean_Elab_WF_packMutual___lambda__4(x_2, x_1, x_11, x_3, x_4, x_5, x_6, x_7);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_9);
-if (x_19 == 0)
-{
-return x_9;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_9, 0);
-x_21 = lean_ctor_get(x_9, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_9);
-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;
+x_13 = l_Lean_Elab_instInhabitedPreDefinition;
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_get(x_13, x_2, x_14);
+lean_dec(x_2);
+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;
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual(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_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; uint8_t x_9; 
-x_7 = lean_array_get_size(x_1);
-x_8 = lean_unsigned_to_nat(1u);
-x_9 = lean_nat_dec_eq(x_7, x_8);
-lean_dec(x_7);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_box(0);
-x_11 = l_Lean_Elab_WF_packMutual___lambda__3(x_1, x_10, x_2, x_3, x_4, x_5, x_6);
-return x_11;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_12 = l_Lean_Elab_instInhabitedPreDefinition;
-x_13 = lean_unsigned_to_nat(0u);
-x_14 = lean_array_get(x_12, x_1, x_13);
+size_t x_4; size_t x_5; lean_object* x_6; 
+x_4 = lean_unbox_usize(x_1);
 lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_14);
-lean_ctor_set(x_15, 1, x_6);
-return x_15;
-}
+x_5 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_6 = l_Array_mapMUnsafe_map___at_Lean_Elab_WF_packMutual___spec__1(x_4, x_5, x_3);
+return x_6;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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) {
@@ -2936,13 +3331,13 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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_EXPORT lean_object* l_Lean_Elab_WF_packMutual___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) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Lean_Elab_WF_packMutual___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_2);
-return x_8;
+lean_object* x_9; 
+x_9 = l_Lean_Elab_WF_packMutual___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_3);
+return x_9;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
@@ -3026,6 +3421,8 @@ l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__L
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__7);
 l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__8 = _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__8();
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_PackMutual_0__Lean_Elab_WF_post_mkNewArg___spec__1___closed__8);
+l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1 = _init_l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1();
+lean_mark_persistent(l_Lean_Elab_WF_withFixedPrefix___rarg___closed__1);
 l_Lean_Elab_WF_packMutual___lambda__2___closed__1 = _init_l_Lean_Elab_WF_packMutual___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Elab_WF_packMutual___lambda__2___closed__1);
 l_Lean_Elab_WF_packMutual___lambda__2___closed__2 = _init_l_Lean_Elab_WF_packMutual___lambda__2___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
index addf15d301..1306c488fb 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
@@ -26,18 +26,26 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__5;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
-lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
 lean_object* l_Lean_Meta_mkConstWithFreshMVarLevels(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5;
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6(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* l_Lean_mkMVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go(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_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go(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_WF_elabWFRel___lambda__2___closed__1;
+uint8_t lean_name_eq(lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_WF_instInhabitedTerminationByElement;
+lean_object* l_Lean_Elab_Term_getMVarDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, 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_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MessageData_ofList(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instInhabitedTermElabM(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -47,49 +55,73 @@ LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3___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* l_Lean_Meta_intro1Core(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_rename(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, 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_Elab_WF_elabWFRel___lambda__2___closed__3;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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 lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(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_WF_elabWFRel___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_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___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_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4;
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12;
+lean_object* l_Nat_repr(lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getId(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1;
 lean_object* l_Array_back___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(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_array_to_list(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10;
 extern lean_object* l_Lean_instInhabitedExpr;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6___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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedSyntax;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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_List_mapTRAux___at_Lean_Meta_substCore___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual(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_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__4;
 lean_object* l_Lean_Elab_Term_elabTermEnsuringType___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*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel(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_WF_elabWFRel___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_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___boxed(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(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_Lean_Elab_WF_elabWFRel___closed__4;
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___spec__1___closed__1;
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2;
 lean_object* l_Lean_Meta_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_synthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3(lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9;
 lean_object* l_Lean_Elab_Term_withDeclName___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__2;
 lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp___rarg(lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -98,6 +130,7 @@ lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Term_Quotation_getAntiquotationI
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8___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*);
 static lean_object* l_Lean_Elab_WF_elabWFRel___closed__2;
 extern lean_object* l_Lean_instInhabitedName;
 static lean_object* l_Lean_Elab_WF_elabWFRel___closed__1;
@@ -106,17 +139,25 @@ static lean_object* l_Lean_Elab_WF_elabWFRel___closed__3;
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_logUnassignedUsingErrorInfos(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___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* l_Lean_Meta_mkFreshTypeMVar(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 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*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__3;
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__2;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6;
+static lean_object* l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2;
+static lean_object* l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1;
 lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -481,7 +522,7 @@ x_11 = lean_apply_7(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_11;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1() {
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -490,7 +531,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2() {
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -498,138 +539,367 @@ x_1 = lean_mk_string("_private.Lean.Elab.PreDefinition.WF.Rel.0.Lean.Elab.WF.unp
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3() {
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3() {
 _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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__2;
-x_2 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2;
-x_3 = lean_unsigned_to_nat(44u);
-x_4 = lean_unsigned_to_nat(72u);
+x_2 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2;
+x_3 = lean_unsigned_to_nat(50u);
+x_4 = lean_unsigned_to_nat(85u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__4;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_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, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_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, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_12 = lean_array_get_size(x_1);
-x_13 = lean_unsigned_to_nat(1u);
-x_14 = lean_nat_sub(x_12, x_13);
+lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+lean_dec(x_7);
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_sub(x_1, x_15);
+x_17 = lean_nat_dec_lt(x_2, x_16);
+lean_dec(x_16);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_2);
+lean_dec(x_1);
+x_18 = l_Lean_instInhabitedName;
+x_19 = l_Array_back___rarg(x_18, x_3);
+lean_dec(x_3);
+x_20 = l_Lean_Meta_rename(x_4, x_5, x_19, x_10, x_11, x_12, x_13, x_14);
+return x_20;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_21 = lean_nat_add(x_6, x_2);
+x_22 = l_Lean_instInhabitedName;
+x_23 = lean_array_get(x_22, x_3, x_21);
+lean_dec(x_21);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+x_26 = 0;
+x_27 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set_uint8(x_27, sizeof(void*)*1, x_26);
+x_28 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1;
+x_29 = lean_array_push(x_28, x_27);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_30 = l_Lean_Meta_Cases_cases(x_4, x_5, x_29, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_31 = lean_ctor_get(x_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_array_get_size(x_31);
+x_34 = lean_nat_dec_eq(x_33, x_15);
+lean_dec(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+lean_dec(x_31);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_35 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3;
+x_36 = l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___spec__1(x_35, x_8, x_9, x_10, x_11, x_12, x_13, x_32);
+return x_36;
+}
+else
+{
+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; 
+x_37 = lean_unsigned_to_nat(0u);
+x_38 = lean_array_fget(x_31, x_37);
+lean_dec(x_31);
+x_39 = lean_nat_add(x_2, x_15);
+lean_dec(x_2);
+x_40 = lean_ctor_get(x_38, 0);
+lean_inc(x_40);
+lean_dec(x_38);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+lean_dec(x_40);
+x_43 = l_Lean_instInhabitedExpr;
+x_44 = lean_array_get(x_43, x_42, x_15);
+lean_dec(x_42);
+x_45 = l_Lean_Expr_fvarId_x21(x_44);
+x_46 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go(x_6, x_3, x_1, x_39, x_41, x_45, x_8, x_9, x_10, x_11, x_12, x_13, x_32);
+return x_46;
+}
+}
+else
+{
+uint8_t x_47; 
+lean_dec(x_13);
 lean_dec(x_12);
-x_15 = lean_nat_dec_lt(x_2, x_14);
-lean_dec(x_14);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_47 = !lean_is_exclusive(x_30);
+if (x_47 == 0)
+{
+return x_30;
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_30, 0);
+x_49 = lean_ctor_get(x_30, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_30);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Elab");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___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_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("definition");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2;
+x_2 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("wf");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4;
+x_2 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("i: ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(", varNames: ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(", goal: ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_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, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+x_14 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6;
+x_42 = lean_st_ref_get(x_12, x_13);
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_43, 3);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_ctor_get_uint8(x_44, sizeof(void*)*1);
+lean_dec(x_44);
+if (x_45 == 0)
+{
+lean_object* x_46; uint8_t x_47; 
+x_46 = lean_ctor_get(x_42, 1);
+lean_inc(x_46);
+lean_dec(x_42);
+x_47 = 0;
+x_15 = x_47;
+x_16 = x_46;
+goto block_41;
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
+x_48 = lean_ctor_get(x_42, 1);
+lean_inc(x_48);
+lean_dec(x_42);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
+x_50 = lean_ctor_get(x_49, 0);
+lean_inc(x_50);
+x_51 = lean_ctor_get(x_49, 1);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = lean_unbox(x_50);
+lean_dec(x_50);
+x_15 = x_52;
+x_16 = x_51;
+goto block_41;
+}
+block_41:
+{
 if (x_15 == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_2);
-x_16 = l_Lean_instInhabitedName;
-x_17 = l_Array_back___rarg(x_16, x_1);
-lean_dec(x_1);
-x_18 = l_Lean_Meta_rename(x_3, x_4, x_17, x_7, x_8, x_9, x_10, x_11);
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_box(0);
+x_18 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1(x_3, x_4, x_2, x_5, x_6, x_1, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 return x_18;
 }
 else
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_19 = l_Lean_instInhabitedName;
-x_20 = lean_array_get(x_19, x_1, x_2);
-x_21 = lean_box(0);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-x_23 = 0;
-x_24 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set_uint8(x_24, sizeof(void*)*1, x_23);
-x_25 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1;
-x_26 = lean_array_push(x_25, x_24);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_27 = l_Lean_Meta_Cases_cases(x_3, x_4, x_26, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
-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 = lean_array_get_size(x_28);
-x_31 = lean_nat_dec_eq(x_30, x_13);
-lean_dec(x_30);
-if (x_31 == 0)
-{
-lean_object* x_32; lean_object* x_33; 
+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_inc(x_4);
+x_19 = l_Nat_repr(x_4);
+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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8;
+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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10;
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+lean_inc(x_2);
+x_26 = lean_array_to_list(lean_box(0), x_2);
+x_27 = lean_box(0);
+x_28 = l_List_mapTRAux___at_Lean_Meta_substCore___spec__6(x_26, x_27);
+x_29 = l_Lean_MessageData_ofList(x_28);
 lean_dec(x_28);
-lean_dec(x_2);
-lean_dec(x_1);
-x_32 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3;
-x_33 = l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___spec__1(x_32, x_5, x_6, x_7, x_8, x_9, x_10, x_29);
-return x_33;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_34 = lean_unsigned_to_nat(0u);
-x_35 = lean_array_fget(x_28, x_34);
-lean_dec(x_28);
-x_36 = lean_nat_add(x_2, x_13);
-lean_dec(x_2);
-x_37 = lean_ctor_get(x_35, 0);
-lean_inc(x_37);
-lean_dec(x_35);
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_25);
+lean_ctor_set(x_30, 1, x_29);
+x_31 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+lean_inc(x_5);
+x_33 = lean_alloc_ctor(5, 1, 0);
+lean_ctor_set(x_33, 0, x_5);
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14;
+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 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 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 = l_Lean_instInhabitedExpr;
-x_41 = lean_array_get(x_40, x_39, x_13);
-lean_dec(x_39);
-x_42 = l_Lean_Expr_fvarId_x21(x_41);
-x_2 = x_36;
-x_3 = x_38;
-x_4 = x_42;
-x_11 = x_29;
-goto _start;
-}
-}
-else
-{
-uint8_t x_44; 
-lean_dec(x_10);
-lean_dec(x_9);
-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_44 = !lean_is_exclusive(x_27);
-if (x_44 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_27, 0);
-x_46 = lean_ctor_get(x_27, 1);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_27);
-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;
-}
+x_40 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1(x_3, x_4, x_2, x_5, x_6, x_1, x_38, x_7, x_8, x_9, x_10, x_11, x_12, x_39);
+return x_40;
 }
 }
 }
@@ -846,6 +1116,1342 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t 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) {
+_start:
+{
+uint8_t x_14; 
+x_14 = lean_usize_dec_lt(x_5, x_4);
+if (x_14 == 0)
+{
+lean_object* x_15; 
+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_2);
+lean_dec(x_1);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_6);
+lean_ctor_set(x_15, 1, x_13);
+return x_15;
+}
+else
+{
+lean_object* x_16; uint8_t x_17; 
+x_16 = lean_array_uget(x_3, x_5);
+x_17 = !lean_is_exclusive(x_6);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_6, 1);
+x_19 = lean_ctor_get(x_6, 0);
+lean_dec(x_19);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_18);
+lean_inc(x_1);
+x_20 = l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5(x_1, x_16, x_18, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+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_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = !lean_is_exclusive(x_20);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_20, 0);
+lean_dec(x_23);
+x_24 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_24, 0, x_21);
+lean_ctor_set(x_6, 0, x_24);
+lean_ctor_set(x_20, 0, x_6);
+return x_20;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_20, 1);
+lean_inc(x_25);
+lean_dec(x_20);
+x_26 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_26, 0, x_21);
+lean_ctor_set(x_6, 0, x_26);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_6);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
+}
+}
+else
+{
+lean_object* x_28; lean_object* x_29; size_t x_30; size_t x_31; 
+lean_dec(x_18);
+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_inc(x_2);
+lean_ctor_set(x_6, 1, x_29);
+lean_ctor_set(x_6, 0, x_2);
+x_30 = 1;
+x_31 = lean_usize_add(x_5, x_30);
+x_5 = x_31;
+x_13 = x_28;
+goto _start;
+}
+}
+else
+{
+uint8_t x_33; 
+lean_free_object(x_6);
+lean_dec(x_18);
+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_2);
+lean_dec(x_1);
+x_33 = !lean_is_exclusive(x_20);
+if (x_33 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_20, 0);
+x_35 = lean_ctor_get(x_20, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_20);
+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_object* x_38; 
+x_37 = lean_ctor_get(x_6, 1);
+lean_inc(x_37);
+lean_dec(x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_37);
+lean_inc(x_1);
+x_38 = l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5(x_1, x_16, x_37, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_38) == 0)
+{
+lean_object* x_39; 
+x_39 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+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_2);
+lean_dec(x_1);
+x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_40);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_41 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_41 = lean_box(0);
+}
+x_42 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_42, 0, x_39);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_37);
+if (lean_is_scalar(x_41)) {
+ x_44 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_44 = x_41;
+}
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_40);
+return x_44;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; size_t x_48; size_t x_49; 
+lean_dec(x_37);
+x_45 = lean_ctor_get(x_38, 1);
+lean_inc(x_45);
+lean_dec(x_38);
+x_46 = lean_ctor_get(x_39, 0);
+lean_inc(x_46);
+lean_dec(x_39);
+lean_inc(x_2);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_2);
+lean_ctor_set(x_47, 1, x_46);
+x_48 = 1;
+x_49 = lean_usize_add(x_5, x_48);
+x_5 = x_49;
+x_6 = x_47;
+x_13 = x_45;
+goto _start;
+}
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+lean_dec(x_37);
+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_2);
+lean_dec(x_1);
+x_51 = lean_ctor_get(x_38, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_38, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_53 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_53 = lean_box(0);
+}
+if (lean_is_scalar(x_53)) {
+ x_54 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_54 = x_53;
+}
+lean_ctor_set(x_54, 0, x_51);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7(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_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; 
+x_13 = lean_usize_dec_lt(x_4, x_3);
+if (x_13 == 0)
+{
+lean_object* x_14; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_5);
+lean_ctor_set(x_14, 1, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_array_uget(x_2, x_4);
+x_16 = lean_ctor_get(x_5, 1);
+lean_inc(x_16);
+if (lean_is_exclusive(x_5)) {
+ lean_ctor_release(x_5, 0);
+ lean_ctor_release(x_5, 1);
+ x_17 = x_5;
+} else {
+ lean_dec_ref(x_5);
+ x_17 = lean_box(0);
+}
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_29; 
+lean_inc(x_16);
+x_29 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_29, 0, x_16);
+x_18 = x_29;
+x_19 = x_12;
+goto block_28;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
+x_30 = lean_ctor_get(x_16, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_15, 0);
+lean_inc(x_31);
+lean_dec(x_15);
+x_32 = lean_ctor_get(x_16, 1);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_30, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_30, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_30, 2);
+lean_inc(x_35);
+x_36 = lean_nat_dec_lt(x_34, x_35);
+if (x_36 == 0)
+{
+lean_object* x_37; lean_object* x_38; 
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_33);
+lean_dec(x_31);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_30);
+lean_ctor_set(x_37, 1, x_32);
+x_38 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_38, 0, x_37);
+x_18 = x_38;
+x_19 = x_12;
+goto block_28;
+}
+else
+{
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_30);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_40 = lean_ctor_get(x_30, 2);
+lean_dec(x_40);
+x_41 = lean_ctor_get(x_30, 1);
+lean_dec(x_41);
+x_42 = lean_ctor_get(x_30, 0);
+lean_dec(x_42);
+x_43 = lean_array_fget(x_33, x_34);
+x_44 = lean_unsigned_to_nat(1u);
+x_45 = lean_nat_add(x_34, x_44);
+lean_dec(x_34);
+lean_ctor_set(x_30, 1, x_45);
+x_46 = l_Lean_LocalDecl_userName(x_31);
+x_47 = lean_name_eq(x_46, x_43);
+lean_dec(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+x_48 = l_Lean_LocalDecl_fvarId(x_31);
+lean_dec(x_31);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_49 = l_Lean_Meta_rename(x_32, x_48, x_43, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_49) == 0)
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_50 = lean_ctor_get(x_49, 0);
+lean_inc(x_50);
+x_51 = lean_ctor_get(x_49, 1);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_30);
+lean_ctor_set(x_52, 1, x_50);
+x_53 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_53, 0, x_52);
+x_18 = x_53;
+x_19 = x_51;
+goto block_28;
+}
+else
+{
+uint8_t x_54; 
+lean_dec(x_30);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_54 = !lean_is_exclusive(x_49);
+if (x_54 == 0)
+{
+return x_49;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_49, 0);
+x_56 = lean_ctor_get(x_49, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_49);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; 
+lean_dec(x_43);
+lean_dec(x_31);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_30);
+lean_ctor_set(x_58, 1, x_32);
+x_59 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_59, 0, x_58);
+x_18 = x_59;
+x_19 = x_12;
+goto block_28;
+}
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
+lean_dec(x_30);
+x_60 = lean_array_fget(x_33, x_34);
+x_61 = lean_unsigned_to_nat(1u);
+x_62 = lean_nat_add(x_34, x_61);
+lean_dec(x_34);
+x_63 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_63, 0, x_33);
+lean_ctor_set(x_63, 1, x_62);
+lean_ctor_set(x_63, 2, x_35);
+x_64 = l_Lean_LocalDecl_userName(x_31);
+x_65 = lean_name_eq(x_64, x_60);
+lean_dec(x_64);
+if (x_65 == 0)
+{
+lean_object* x_66; lean_object* x_67; 
+x_66 = l_Lean_LocalDecl_fvarId(x_31);
+lean_dec(x_31);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_67 = l_Lean_Meta_rename(x_32, x_66, x_60, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_67) == 0)
+{
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_70, 0, x_63);
+lean_ctor_set(x_70, 1, x_68);
+x_71 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_71, 0, x_70);
+x_18 = x_71;
+x_19 = x_69;
+goto block_28;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+lean_dec(x_63);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_72 = lean_ctor_get(x_67, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_67, 1);
+lean_inc(x_73);
+if (lean_is_exclusive(x_67)) {
+ lean_ctor_release(x_67, 0);
+ lean_ctor_release(x_67, 1);
+ x_74 = x_67;
+} else {
+ lean_dec_ref(x_67);
+ x_74 = lean_box(0);
+}
+if (lean_is_scalar(x_74)) {
+ x_75 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_75 = x_74;
+}
+lean_ctor_set(x_75, 0, x_72);
+lean_ctor_set(x_75, 1, x_73);
+return x_75;
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_60);
+lean_dec(x_31);
+x_76 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_76, 0, x_63);
+lean_ctor_set(x_76, 1, x_32);
+x_77 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_77, 0, x_76);
+x_18 = x_77;
+x_19 = x_12;
+goto block_28;
+}
+}
+}
+}
+block_28:
+{
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_20 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_20, 0, x_18);
+if (lean_is_scalar(x_17)) {
+ x_21 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_21 = x_17;
+}
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_16);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_19);
+return x_22;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; 
+lean_dec(x_16);
+x_23 = lean_ctor_get(x_18, 0);
+lean_inc(x_23);
+lean_dec(x_18);
+lean_inc(x_1);
+if (lean_is_scalar(x_17)) {
+ x_24 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_24 = x_17;
+}
+lean_ctor_set(x_24, 0, x_1);
+lean_ctor_set(x_24, 1, x_23);
+x_25 = 1;
+x_26 = lean_usize_add(x_4, x_25);
+x_4 = x_26;
+x_5 = x_24;
+x_12 = x_19;
+goto _start;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___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_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_10, 0, x_1);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_9);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5(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:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
+x_11 = lean_ctor_get(x_2, 0);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_box(0);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_3);
+x_14 = lean_array_get_size(x_11);
+x_15 = lean_usize_of_nat(x_14);
+lean_dec(x_14);
+x_16 = 0;
+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_17 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6(x_1, x_12, x_11, x_15, x_16, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_11);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; 
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_20 = lean_ctor_get(x_17, 1);
+lean_inc(x_20);
+lean_dec(x_17);
+x_21 = lean_ctor_get(x_18, 1);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = lean_box(0);
+x_23 = l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___lambda__1(x_21, x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_23;
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_18);
+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_24 = !lean_is_exclusive(x_17);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_ctor_get(x_17, 0);
+lean_dec(x_25);
+x_26 = lean_ctor_get(x_19, 0);
+lean_inc(x_26);
+lean_dec(x_19);
+lean_ctor_set(x_17, 0, x_26);
+return x_17;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_17, 1);
+lean_inc(x_27);
+lean_dec(x_17);
+x_28 = lean_ctor_get(x_19, 0);
+lean_inc(x_28);
+lean_dec(x_19);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_27);
+return x_29;
+}
+}
+}
+else
+{
+uint8_t x_30; 
+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_30 = !lean_is_exclusive(x_17);
+if (x_30 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_17, 0);
+x_32 = lean_ctor_get(x_17, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_17);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; size_t x_38; size_t x_39; lean_object* x_40; 
+lean_dec(x_1);
+x_34 = lean_ctor_get(x_2, 0);
+lean_inc(x_34);
+lean_dec(x_2);
+x_35 = lean_box(0);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_3);
+x_37 = lean_array_get_size(x_34);
+x_38 = lean_usize_of_nat(x_37);
+lean_dec(x_37);
+x_39 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_40 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7(x_35, x_34, x_38, x_39, x_36, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_34);
+if (lean_obj_tag(x_40) == 0)
+{
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+if (lean_obj_tag(x_42) == 0)
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_40, 1);
+lean_inc(x_43);
+lean_dec(x_40);
+x_44 = lean_ctor_get(x_41, 1);
+lean_inc(x_44);
+lean_dec(x_41);
+x_45 = lean_box(0);
+x_46 = l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___lambda__1(x_44, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_46;
+}
+else
+{
+uint8_t x_47; 
+lean_dec(x_41);
+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_47 = !lean_is_exclusive(x_40);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+x_48 = lean_ctor_get(x_40, 0);
+lean_dec(x_48);
+x_49 = lean_ctor_get(x_42, 0);
+lean_inc(x_49);
+lean_dec(x_42);
+lean_ctor_set(x_40, 0, x_49);
+return x_40;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_40, 1);
+lean_inc(x_50);
+lean_dec(x_40);
+x_51 = lean_ctor_get(x_42, 0);
+lean_inc(x_51);
+lean_dec(x_42);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_50);
+return x_52;
+}
+}
+}
+else
+{
+uint8_t x_53; 
+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_53 = !lean_is_exclusive(x_40);
+if (x_53 == 0)
+{
+return x_40;
+}
+else
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_40, 0);
+x_55 = lean_ctor_get(x_40, 1);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_40);
+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;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8(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_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; 
+x_13 = lean_usize_dec_lt(x_4, x_3);
+if (x_13 == 0)
+{
+lean_object* x_14; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_5);
+lean_ctor_set(x_14, 1, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_array_uget(x_2, x_4);
+x_16 = lean_ctor_get(x_5, 1);
+lean_inc(x_16);
+if (lean_is_exclusive(x_5)) {
+ lean_ctor_release(x_5, 0);
+ lean_ctor_release(x_5, 1);
+ x_17 = x_5;
+} else {
+ lean_dec_ref(x_5);
+ x_17 = lean_box(0);
+}
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_30; 
+lean_inc(x_16);
+x_30 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_30, 0, x_16);
+x_18 = x_30;
+x_19 = x_12;
+goto block_29;
+}
+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; uint8_t x_37; 
+x_31 = lean_ctor_get(x_16, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_15, 0);
+lean_inc(x_32);
+lean_dec(x_15);
+x_33 = lean_ctor_get(x_16, 1);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_31, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_31, 1);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_31, 2);
+lean_inc(x_36);
+x_37 = lean_nat_dec_lt(x_35, x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+lean_dec(x_36);
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_32);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_31);
+lean_ctor_set(x_38, 1, x_33);
+x_39 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_39, 0, x_38);
+x_18 = x_39;
+x_19 = x_12;
+goto block_29;
+}
+else
+{
+uint8_t x_40; 
+x_40 = !lean_is_exclusive(x_31);
+if (x_40 == 0)
+{
+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; uint8_t x_48; 
+x_41 = lean_ctor_get(x_31, 2);
+lean_dec(x_41);
+x_42 = lean_ctor_get(x_31, 1);
+lean_dec(x_42);
+x_43 = lean_ctor_get(x_31, 0);
+lean_dec(x_43);
+x_44 = lean_array_fget(x_34, x_35);
+x_45 = lean_unsigned_to_nat(1u);
+x_46 = lean_nat_add(x_35, x_45);
+lean_dec(x_35);
+lean_ctor_set(x_31, 1, x_46);
+x_47 = l_Lean_LocalDecl_userName(x_32);
+x_48 = lean_name_eq(x_47, x_44);
+lean_dec(x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_fvarId(x_32);
+lean_dec(x_32);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_50 = l_Lean_Meta_rename(x_33, x_49, x_44, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_50) == 0)
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_31);
+lean_ctor_set(x_53, 1, x_51);
+x_54 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_54, 0, x_53);
+x_18 = x_54;
+x_19 = x_52;
+goto block_29;
+}
+else
+{
+uint8_t x_55; 
+lean_dec(x_31);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_55 = !lean_is_exclusive(x_50);
+if (x_55 == 0)
+{
+return x_50;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_50, 0);
+x_57 = lean_ctor_get(x_50, 1);
+lean_inc(x_57);
+lean_inc(x_56);
+lean_dec(x_50);
+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_dec(x_44);
+lean_dec(x_32);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_31);
+lean_ctor_set(x_59, 1, x_33);
+x_60 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_60, 0, x_59);
+x_18 = x_60;
+x_19 = x_12;
+goto block_29;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; 
+lean_dec(x_31);
+x_61 = lean_array_fget(x_34, x_35);
+x_62 = lean_unsigned_to_nat(1u);
+x_63 = lean_nat_add(x_35, x_62);
+lean_dec(x_35);
+x_64 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_64, 0, x_34);
+lean_ctor_set(x_64, 1, x_63);
+lean_ctor_set(x_64, 2, x_36);
+x_65 = l_Lean_LocalDecl_userName(x_32);
+x_66 = lean_name_eq(x_65, x_61);
+lean_dec(x_65);
+if (x_66 == 0)
+{
+lean_object* x_67; lean_object* x_68; 
+x_67 = l_Lean_LocalDecl_fvarId(x_32);
+lean_dec(x_32);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_68 = l_Lean_Meta_rename(x_33, x_67, x_61, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_68) == 0)
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+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 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_64);
+lean_ctor_set(x_71, 1, x_69);
+x_72 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_72, 0, x_71);
+x_18 = x_72;
+x_19 = x_70;
+goto block_29;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+lean_dec(x_64);
+lean_dec(x_17);
+lean_dec(x_16);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_73 = lean_ctor_get(x_68, 0);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_68, 1);
+lean_inc(x_74);
+if (lean_is_exclusive(x_68)) {
+ lean_ctor_release(x_68, 0);
+ lean_ctor_release(x_68, 1);
+ x_75 = x_68;
+} else {
+ lean_dec_ref(x_68);
+ 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_dec(x_61);
+lean_dec(x_32);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_64);
+lean_ctor_set(x_77, 1, x_33);
+x_78 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_78, 0, x_77);
+x_18 = x_78;
+x_19 = x_12;
+goto block_29;
+}
+}
+}
+}
+block_29:
+{
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_1);
+x_20 = lean_ctor_get(x_18, 0);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_21, 0, x_20);
+if (lean_is_scalar(x_17)) {
+ x_22 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_22 = x_17;
+}
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_16);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_19);
+return x_23;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; 
+lean_dec(x_16);
+x_24 = lean_ctor_get(x_18, 0);
+lean_inc(x_24);
+lean_dec(x_18);
+lean_inc(x_1);
+if (lean_is_scalar(x_17)) {
+ x_25 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_25 = x_17;
+}
+lean_ctor_set(x_25, 0, x_1);
+lean_ctor_set(x_25, 1, x_24);
+x_26 = 1;
+x_27 = lean_usize_add(x_4, x_26);
+x_4 = x_27;
+x_5 = x_25;
+x_12 = x_19;
+goto _start;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_1);
+lean_ctor_set(x_10, 1, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__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) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; 
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_11 = l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5(x_2, x_10, x_2, x_3, x_4, 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; 
+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_1);
+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_ctor_get(x_12, 0);
+lean_inc(x_15);
+lean_dec(x_12);
+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_ctor_get(x_12, 0);
+lean_inc(x_17);
+lean_dec(x_12);
+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
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
+x_19 = lean_ctor_get(x_11, 1);
+lean_inc(x_19);
+lean_dec(x_11);
+x_20 = lean_ctor_get(x_12, 0);
+lean_inc(x_20);
+lean_dec(x_12);
+x_21 = lean_ctor_get(x_1, 1);
+lean_inc(x_21);
+lean_dec(x_1);
+x_22 = lean_box(0);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_20);
+x_24 = lean_array_get_size(x_21);
+x_25 = lean_usize_of_nat(x_24);
+lean_dec(x_24);
+x_26 = 0;
+x_27 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8(x_22, x_21, x_25, x_26, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_21);
+if (lean_obj_tag(x_27) == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_28, 0);
+lean_inc(x_29);
+if (lean_obj_tag(x_29) == 0)
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_27);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_27, 0);
+lean_dec(x_31);
+x_32 = lean_ctor_get(x_28, 1);
+lean_inc(x_32);
+lean_dec(x_28);
+lean_ctor_set(x_27, 0, x_32);
+return x_27;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
+lean_dec(x_27);
+x_34 = lean_ctor_get(x_28, 1);
+lean_inc(x_34);
+lean_dec(x_28);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_28);
+x_36 = !lean_is_exclusive(x_27);
+if (x_36 == 0)
+{
+lean_object* x_37; lean_object* x_38; 
+x_37 = lean_ctor_get(x_27, 0);
+lean_dec(x_37);
+x_38 = lean_ctor_get(x_29, 0);
+lean_inc(x_38);
+lean_dec(x_29);
+lean_ctor_set(x_27, 0, x_38);
+return x_27;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_39 = lean_ctor_get(x_27, 1);
+lean_inc(x_39);
+lean_dec(x_27);
+x_40 = lean_ctor_get(x_29, 0);
+lean_inc(x_40);
+lean_dec(x_29);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
+}
+}
+}
+else
+{
+uint8_t x_42; 
+x_42 = !lean_is_exclusive(x_27);
+if (x_42 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_27, 0);
+x_44 = lean_ctor_get(x_27, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_27);
+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
+{
+uint8_t x_46; 
+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_1);
+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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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) {
 _start:
 {
@@ -987,62 +2593,135 @@ return x_34;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(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) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_1, 5);
-lean_inc(x_12);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_1, 5);
+lean_inc(x_13);
 lean_dec(x_1);
-x_13 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___boxed), 10, 1);
-lean_closure_set(x_13, 0, x_4);
+x_14 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___boxed), 10, 1);
+lean_closure_set(x_14, 0, x_5);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_14 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3___rarg(x_12, x_13, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_14) == 0)
+x_15 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3___rarg(x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+lean_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; 
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go(x_15, x_17, x_2, x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_16);
-return x_18;
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+lean_inc(x_3);
+x_18 = l_Lean_Elab_Term_getMVarDecl(x_3, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_unsigned_to_nat(0u);
+lean_inc(x_2);
+lean_inc(x_16);
+x_22 = l_Array_toSubarray___rarg(x_16, x_21, x_2);
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_3);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_26 = l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4(x_25, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_20);
+if (lean_obj_tag(x_26) == 0)
+{
+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_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 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = lean_array_get_size(x_16);
+x_31 = lean_nat_sub(x_30, x_2);
+lean_dec(x_30);
+x_32 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go(x_2, x_16, x_31, x_21, x_29, x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_28);
+return x_32;
 }
 else
 {
-uint8_t x_19; 
+uint8_t x_33; 
+lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
+lean_dec(x_4);
 lean_dec(x_2);
-x_19 = !lean_is_exclusive(x_14);
-if (x_19 == 0)
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
 {
-return x_14;
+return x_26;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_14, 0);
-x_21 = lean_ctor_get(x_14, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_14);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_26, 0);
+x_35 = lean_ctor_get(x_26, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_26);
+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
+{
+uint8_t x_37; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_37 = !lean_is_exclusive(x_15);
+if (x_37 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_15, 0);
+x_39 = lean_ctor_get(x_15, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_15);
+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;
 }
 }
 }
@@ -1082,6 +2761,79 @@ lean_dec(x_1);
 return x_15;
 }
 }
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6___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_object* x_13) {
+_start:
+{
+size_t x_14; size_t x_15; lean_object* x_16; 
+x_14 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6(x_1, x_2, x_3, x_14, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_3);
+return x_16;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7___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) {
+_start:
+{
+size_t x_13; size_t x_14; lean_object* x_15; 
+x_13 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_14 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7(x_1, x_2, x_13, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_2);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___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_Std_PersistentArray_forInAux___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__5___lambda__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);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8___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) {
+_start:
+{
+size_t x_13; size_t x_14; lean_object* x_15; 
+x_13 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_14 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__8(x_1, x_2, x_13, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_2);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4___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_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__4___lambda__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);
+return x_10;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___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) {
 _start:
 {
@@ -1220,528 +2972,541 @@ return x_32;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-uint8_t x_12; 
-x_12 = lean_usize_dec_lt(x_3, x_2);
-if (x_12 == 0)
+uint8_t x_13; 
+x_13 = lean_usize_dec_lt(x_4, x_3);
+if (x_13 == 0)
 {
-lean_object* x_13; 
+lean_object* x_14; 
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-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;
+lean_dec(x_1);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_5);
+lean_ctor_set(x_14, 1, x_12);
+return x_14;
 }
 else
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_14 = lean_array_uget(x_1, x_3);
-x_15 = lean_ctor_get(x_4, 1);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 0);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_15 = lean_array_uget(x_2, x_4);
+x_16 = lean_ctor_get(x_5, 0);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_14, 1);
+x_17 = lean_ctor_get(x_15, 0);
 lean_inc(x_17);
-lean_dec(x_14);
-x_18 = !lean_is_exclusive(x_4);
-if (x_18 == 0)
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = !lean_is_exclusive(x_5);
+if (x_19 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_19 = lean_ctor_get(x_4, 0);
-x_20 = lean_ctor_get(x_4, 1);
-lean_dec(x_20);
-x_21 = lean_ctor_get(x_15, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_15, 1);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_20 = lean_ctor_get(x_5, 1);
+x_21 = lean_ctor_get(x_5, 0);
+lean_dec(x_21);
+x_22 = lean_ctor_get(x_16, 0);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_15, 2);
+x_23 = lean_ctor_get(x_16, 1);
 lean_inc(x_23);
-x_24 = lean_nat_dec_lt(x_22, x_23);
-if (x_24 == 0)
+x_24 = lean_ctor_get(x_16, 2);
+lean_inc(x_24);
+x_25 = lean_nat_dec_lt(x_23, x_24);
+if (x_25 == 0)
 {
-lean_object* x_25; 
+lean_object* x_26; 
+lean_dec(x_24);
 lean_dec(x_23);
 lean_dec(x_22);
-lean_dec(x_21);
+lean_dec(x_18);
 lean_dec(x_17);
-lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_4);
-lean_ctor_set(x_25, 1, x_11);
-return x_25;
+lean_dec(x_1);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_5);
+lean_ctor_set(x_26, 1, x_12);
+return x_26;
 }
 else
 {
-uint8_t x_26; 
-x_26 = !lean_is_exclusive(x_15);
-if (x_26 == 0)
+uint8_t x_27; 
+x_27 = !lean_is_exclusive(x_16);
+if (x_27 == 0)
 {
-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; uint8_t x_36; 
-x_27 = lean_ctor_get(x_15, 2);
-lean_dec(x_27);
-x_28 = lean_ctor_get(x_15, 1);
+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; uint8_t x_37; 
+x_28 = lean_ctor_get(x_16, 2);
 lean_dec(x_28);
-x_29 = lean_ctor_get(x_15, 0);
+x_29 = lean_ctor_get(x_16, 1);
 lean_dec(x_29);
-x_30 = lean_array_fget(x_21, x_22);
-x_31 = lean_unsigned_to_nat(1u);
-x_32 = lean_nat_add(x_22, x_31);
-lean_dec(x_22);
-lean_ctor_set(x_15, 1, x_32);
-x_33 = lean_ctor_get(x_19, 0);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_19, 1);
+x_30 = lean_ctor_get(x_16, 0);
+lean_dec(x_30);
+x_31 = lean_array_fget(x_22, x_23);
+x_32 = lean_unsigned_to_nat(1u);
+x_33 = lean_nat_add(x_23, x_32);
+lean_dec(x_23);
+lean_ctor_set(x_16, 1, x_33);
+x_34 = lean_ctor_get(x_20, 0);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_19, 2);
+x_35 = lean_ctor_get(x_20, 1);
 lean_inc(x_35);
-x_36 = lean_nat_dec_lt(x_34, x_35);
-if (x_36 == 0)
+x_36 = lean_ctor_get(x_20, 2);
+lean_inc(x_36);
+x_37 = lean_nat_dec_lt(x_35, x_36);
+if (x_37 == 0)
 {
-lean_object* x_37; 
+lean_object* x_38; 
+lean_dec(x_36);
 lean_dec(x_35);
 lean_dec(x_34);
-lean_dec(x_33);
-lean_dec(x_30);
+lean_dec(x_31);
+lean_dec(x_18);
 lean_dec(x_17);
-lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_4);
-lean_ctor_set(x_37, 1, x_11);
-return x_37;
+lean_dec(x_1);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_5);
+lean_ctor_set(x_38, 1, x_12);
+return x_38;
 }
 else
 {
-uint8_t x_38; 
-x_38 = !lean_is_exclusive(x_19);
-if (x_38 == 0)
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_20);
+if (x_39 == 0)
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_39 = lean_ctor_get(x_19, 2);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_19, 1);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_40 = lean_ctor_get(x_20, 2);
 lean_dec(x_40);
-x_41 = lean_ctor_get(x_19, 0);
+x_41 = lean_ctor_get(x_20, 1);
 lean_dec(x_41);
-x_42 = lean_array_fget(x_33, x_34);
-x_43 = lean_nat_add(x_34, x_31);
-lean_dec(x_34);
-lean_ctor_set(x_19, 1, x_43);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_42);
-x_44 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_30, x_17, x_16, x_42, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_44) == 0)
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_45 = lean_ctor_get(x_44, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_44, 1);
-lean_inc(x_46);
-lean_dec(x_44);
-lean_inc(x_45);
-x_47 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
-lean_closure_set(x_47, 0, x_45);
-lean_closure_set(x_47, 1, x_42);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_48 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_45, x_47, x_5, x_6, x_7, x_8, x_9, x_10, x_46);
-if (lean_obj_tag(x_48) == 0)
-{
-lean_object* x_49; size_t x_50; size_t x_51; 
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
-lean_dec(x_48);
-x_50 = 1;
-x_51 = lean_usize_add(x_3, x_50);
-x_3 = x_51;
-x_11 = x_49;
-goto _start;
-}
-else
-{
-uint8_t x_53; 
-lean_dec(x_19);
-lean_dec(x_15);
-lean_free_object(x_4);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_53 = !lean_is_exclusive(x_48);
-if (x_53 == 0)
-{
-return x_48;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_48, 0);
-x_55 = lean_ctor_get(x_48, 1);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_dec(x_48);
-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_19);
+x_42 = lean_ctor_get(x_20, 0);
 lean_dec(x_42);
-lean_dec(x_15);
-lean_free_object(x_4);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_57 = !lean_is_exclusive(x_44);
-if (x_57 == 0)
-{
-return x_44;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_44, 0);
-x_59 = lean_ctor_get(x_44, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_44);
-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_object* x_62; lean_object* x_63; lean_object* x_64; 
-lean_dec(x_19);
-x_61 = lean_array_fget(x_33, x_34);
-x_62 = lean_nat_add(x_34, x_31);
-lean_dec(x_34);
-x_63 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_63, 0, x_33);
-lean_ctor_set(x_63, 1, x_62);
-lean_ctor_set(x_63, 2, x_35);
+x_43 = lean_array_fget(x_34, x_35);
+x_44 = lean_nat_add(x_35, x_32);
+lean_dec(x_35);
+lean_ctor_set(x_20, 1, x_44);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_61);
-x_64 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_30, x_17, x_16, x_61, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_64) == 0)
+lean_inc(x_43);
+lean_inc(x_1);
+x_45 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_31, x_1, x_18, x_17, x_43, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_45) == 0)
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-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);
-lean_inc(x_65);
-x_67 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
-lean_closure_set(x_67, 0, x_65);
-lean_closure_set(x_67, 1, x_61);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+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);
+lean_inc(x_46);
+x_48 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
+lean_closure_set(x_48, 0, x_46);
+lean_closure_set(x_48, 1, x_43);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_68 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_65, x_67, x_5, x_6, x_7, x_8, x_9, x_10, x_66);
-if (lean_obj_tag(x_68) == 0)
+x_49 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_46, x_48, x_6, x_7, x_8, x_9, x_10, x_11, x_47);
+if (lean_obj_tag(x_49) == 0)
 {
-lean_object* x_69; size_t x_70; size_t x_71; 
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-lean_dec(x_68);
-lean_ctor_set(x_4, 0, x_63);
-x_70 = 1;
-x_71 = lean_usize_add(x_3, x_70);
-x_3 = x_71;
-x_11 = x_69;
+lean_object* x_50; size_t x_51; size_t x_52; 
+x_50 = lean_ctor_get(x_49, 1);
+lean_inc(x_50);
+lean_dec(x_49);
+x_51 = 1;
+x_52 = lean_usize_add(x_4, x_51);
+x_4 = x_52;
+x_12 = x_50;
 goto _start;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-lean_dec(x_63);
-lean_dec(x_15);
-lean_free_object(x_4);
+uint8_t x_54; 
+lean_dec(x_20);
+lean_dec(x_16);
+lean_free_object(x_5);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_73 = lean_ctor_get(x_68, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_68, 1);
+lean_dec(x_1);
+x_54 = !lean_is_exclusive(x_49);
+if (x_54 == 0)
+{
+return x_49;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_49, 0);
+x_56 = lean_ctor_get(x_49, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_49);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_20);
+lean_dec(x_43);
+lean_dec(x_16);
+lean_free_object(x_5);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_58 = !lean_is_exclusive(x_45);
+if (x_58 == 0)
+{
+return x_45;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_45, 0);
+x_60 = lean_ctor_get(x_45, 1);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_45);
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
+}
+}
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+lean_dec(x_20);
+x_62 = lean_array_fget(x_34, x_35);
+x_63 = lean_nat_add(x_35, x_32);
+lean_dec(x_35);
+x_64 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_64, 0, x_34);
+lean_ctor_set(x_64, 1, x_63);
+lean_ctor_set(x_64, 2, x_36);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_62);
+lean_inc(x_1);
+x_65 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_31, x_1, x_18, x_17, x_62, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_65) == 0)
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
+lean_dec(x_65);
+lean_inc(x_66);
+x_68 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
+lean_closure_set(x_68, 0, x_66);
+lean_closure_set(x_68, 1, x_62);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_69 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_66, x_68, x_6, x_7, x_8, x_9, x_10, x_11, x_67);
+if (lean_obj_tag(x_69) == 0)
+{
+lean_object* x_70; size_t x_71; size_t x_72; 
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+lean_dec(x_69);
+lean_ctor_set(x_5, 1, x_64);
+x_71 = 1;
+x_72 = lean_usize_add(x_4, x_71);
+x_4 = x_72;
+x_12 = x_70;
+goto _start;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+lean_dec(x_64);
+lean_dec(x_16);
+lean_free_object(x_5);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_74 = lean_ctor_get(x_69, 0);
 lean_inc(x_74);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- x_75 = x_68;
+x_75 = lean_ctor_get(x_69, 1);
+lean_inc(x_75);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ x_76 = x_69;
 } else {
- lean_dec_ref(x_68);
- x_75 = lean_box(0);
+ lean_dec_ref(x_69);
+ x_76 = lean_box(0);
 }
-if (lean_is_scalar(x_75)) {
- x_76 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_76)) {
+ x_77 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_76 = x_75;
+ x_77 = x_76;
 }
-lean_ctor_set(x_76, 0, x_73);
-lean_ctor_set(x_76, 1, x_74);
-return x_76;
+lean_ctor_set(x_77, 0, x_74);
+lean_ctor_set(x_77, 1, x_75);
+return x_77;
 }
 }
 else
 {
-lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-lean_dec(x_63);
-lean_dec(x_61);
-lean_dec(x_15);
-lean_free_object(x_4);
+lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+lean_dec(x_64);
+lean_dec(x_62);
+lean_dec(x_16);
+lean_free_object(x_5);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_77 = lean_ctor_get(x_64, 0);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_64, 1);
+lean_dec(x_1);
+x_78 = lean_ctor_get(x_65, 0);
 lean_inc(x_78);
-if (lean_is_exclusive(x_64)) {
- lean_ctor_release(x_64, 0);
- lean_ctor_release(x_64, 1);
- x_79 = x_64;
+x_79 = lean_ctor_get(x_65, 1);
+lean_inc(x_79);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_80 = x_65;
 } else {
- lean_dec_ref(x_64);
- x_79 = lean_box(0);
+ lean_dec_ref(x_65);
+ x_80 = lean_box(0);
 }
-if (lean_is_scalar(x_79)) {
- x_80 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_80)) {
+ x_81 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_80 = x_79;
+ x_81 = x_80;
 }
-lean_ctor_set(x_80, 0, x_77);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
+lean_ctor_set(x_81, 0, x_78);
+lean_ctor_set(x_81, 1, x_79);
+return x_81;
 }
 }
 }
 }
 else
 {
-lean_object* x_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_dec(x_15);
-x_81 = lean_array_fget(x_21, x_22);
-x_82 = lean_unsigned_to_nat(1u);
-x_83 = lean_nat_add(x_22, x_82);
-lean_dec(x_22);
-x_84 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_84, 0, x_21);
-lean_ctor_set(x_84, 1, x_83);
-lean_ctor_set(x_84, 2, x_23);
-x_85 = lean_ctor_get(x_19, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_19, 1);
+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; uint8_t x_89; 
+lean_dec(x_16);
+x_82 = lean_array_fget(x_22, x_23);
+x_83 = lean_unsigned_to_nat(1u);
+x_84 = lean_nat_add(x_23, x_83);
+lean_dec(x_23);
+x_85 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_85, 0, x_22);
+lean_ctor_set(x_85, 1, x_84);
+lean_ctor_set(x_85, 2, x_24);
+x_86 = lean_ctor_get(x_20, 0);
 lean_inc(x_86);
-x_87 = lean_ctor_get(x_19, 2);
+x_87 = lean_ctor_get(x_20, 1);
 lean_inc(x_87);
-x_88 = lean_nat_dec_lt(x_86, x_87);
-if (x_88 == 0)
+x_88 = lean_ctor_get(x_20, 2);
+lean_inc(x_88);
+x_89 = lean_nat_dec_lt(x_87, x_88);
+if (x_89 == 0)
 {
-lean_object* x_89; 
+lean_object* x_90; 
+lean_dec(x_88);
 lean_dec(x_87);
 lean_dec(x_86);
-lean_dec(x_85);
-lean_dec(x_81);
+lean_dec(x_82);
+lean_dec(x_18);
 lean_dec(x_17);
-lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_ctor_set(x_4, 1, x_84);
-x_89 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_89, 0, x_4);
-lean_ctor_set(x_89, 1, x_11);
-return x_89;
+lean_dec(x_1);
+lean_ctor_set(x_5, 0, x_85);
+x_90 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_90, 0, x_5);
+lean_ctor_set(x_90, 1, x_12);
+return x_90;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-if (lean_is_exclusive(x_19)) {
- lean_ctor_release(x_19, 0);
- lean_ctor_release(x_19, 1);
- lean_ctor_release(x_19, 2);
- x_90 = x_19;
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+if (lean_is_exclusive(x_20)) {
+ lean_ctor_release(x_20, 0);
+ lean_ctor_release(x_20, 1);
+ lean_ctor_release(x_20, 2);
+ x_91 = x_20;
 } else {
- lean_dec_ref(x_19);
- x_90 = lean_box(0);
+ lean_dec_ref(x_20);
+ x_91 = lean_box(0);
 }
-x_91 = lean_array_fget(x_85, x_86);
-x_92 = lean_nat_add(x_86, x_82);
-lean_dec(x_86);
-if (lean_is_scalar(x_90)) {
- x_93 = lean_alloc_ctor(0, 3, 0);
+x_92 = lean_array_fget(x_86, x_87);
+x_93 = lean_nat_add(x_87, x_83);
+lean_dec(x_87);
+if (lean_is_scalar(x_91)) {
+ x_94 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_93 = x_90;
+ x_94 = x_91;
 }
-lean_ctor_set(x_93, 0, x_85);
-lean_ctor_set(x_93, 1, x_92);
-lean_ctor_set(x_93, 2, x_87);
+lean_ctor_set(x_94, 0, x_86);
+lean_ctor_set(x_94, 1, x_93);
+lean_ctor_set(x_94, 2, x_88);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_91);
-x_94 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_81, x_17, x_16, x_91, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_94) == 0)
+lean_inc(x_92);
+lean_inc(x_1);
+x_95 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_82, x_1, x_18, x_17, x_92, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_95) == 0)
 {
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_95 = lean_ctor_get(x_94, 0);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_94, 1);
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_96 = lean_ctor_get(x_95, 0);
 lean_inc(x_96);
-lean_dec(x_94);
-lean_inc(x_95);
-x_97 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
-lean_closure_set(x_97, 0, x_95);
-lean_closure_set(x_97, 1, x_91);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+lean_inc(x_96);
+x_98 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
+lean_closure_set(x_98, 0, x_96);
+lean_closure_set(x_98, 1, x_92);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_98 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_95, x_97, x_5, x_6, x_7, x_8, x_9, x_10, x_96);
-if (lean_obj_tag(x_98) == 0)
+x_99 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_96, x_98, x_6, x_7, x_8, x_9, x_10, x_11, x_97);
+if (lean_obj_tag(x_99) == 0)
 {
-lean_object* x_99; size_t x_100; size_t x_101; 
-x_99 = lean_ctor_get(x_98, 1);
-lean_inc(x_99);
-lean_dec(x_98);
-lean_ctor_set(x_4, 1, x_84);
-lean_ctor_set(x_4, 0, x_93);
-x_100 = 1;
-x_101 = lean_usize_add(x_3, x_100);
-x_3 = x_101;
-x_11 = x_99;
+lean_object* x_100; size_t x_101; size_t x_102; 
+x_100 = lean_ctor_get(x_99, 1);
+lean_inc(x_100);
+lean_dec(x_99);
+lean_ctor_set(x_5, 1, x_94);
+lean_ctor_set(x_5, 0, x_85);
+x_101 = 1;
+x_102 = lean_usize_add(x_4, x_101);
+x_4 = x_102;
+x_12 = x_100;
 goto _start;
 }
 else
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_93);
-lean_dec(x_84);
-lean_free_object(x_4);
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+lean_dec(x_94);
+lean_dec(x_85);
+lean_free_object(x_5);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_103 = lean_ctor_get(x_98, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_98, 1);
+lean_dec(x_1);
+x_104 = lean_ctor_get(x_99, 0);
 lean_inc(x_104);
-if (lean_is_exclusive(x_98)) {
- lean_ctor_release(x_98, 0);
- lean_ctor_release(x_98, 1);
- x_105 = x_98;
+x_105 = lean_ctor_get(x_99, 1);
+lean_inc(x_105);
+if (lean_is_exclusive(x_99)) {
+ lean_ctor_release(x_99, 0);
+ lean_ctor_release(x_99, 1);
+ x_106 = x_99;
 } else {
- lean_dec_ref(x_98);
- x_105 = lean_box(0);
+ lean_dec_ref(x_99);
+ x_106 = lean_box(0);
 }
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_106)) {
+ x_107 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_106 = x_105;
+ x_107 = x_106;
 }
-lean_ctor_set(x_106, 0, x_103);
-lean_ctor_set(x_106, 1, x_104);
-return x_106;
+lean_ctor_set(x_107, 0, x_104);
+lean_ctor_set(x_107, 1, x_105);
+return x_107;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-lean_dec(x_93);
-lean_dec(x_91);
-lean_dec(x_84);
-lean_free_object(x_4);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+lean_dec(x_94);
+lean_dec(x_92);
+lean_dec(x_85);
+lean_free_object(x_5);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_107 = lean_ctor_get(x_94, 0);
-lean_inc(x_107);
-x_108 = lean_ctor_get(x_94, 1);
+lean_dec(x_1);
+x_108 = lean_ctor_get(x_95, 0);
 lean_inc(x_108);
-if (lean_is_exclusive(x_94)) {
- lean_ctor_release(x_94, 0);
- lean_ctor_release(x_94, 1);
- x_109 = x_94;
+x_109 = lean_ctor_get(x_95, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ x_110 = x_95;
 } else {
- lean_dec_ref(x_94);
- x_109 = lean_box(0);
+ lean_dec_ref(x_95);
+ 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;
 }
 }
 }
@@ -1749,224 +3514,229 @@ return x_110;
 }
 else
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; 
-x_111 = lean_ctor_get(x_4, 0);
-lean_inc(x_111);
-lean_dec(x_4);
-x_112 = lean_ctor_get(x_15, 0);
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+x_112 = lean_ctor_get(x_5, 1);
 lean_inc(x_112);
-x_113 = lean_ctor_get(x_15, 1);
+lean_dec(x_5);
+x_113 = lean_ctor_get(x_16, 0);
 lean_inc(x_113);
-x_114 = lean_ctor_get(x_15, 2);
+x_114 = lean_ctor_get(x_16, 1);
 lean_inc(x_114);
-x_115 = lean_nat_dec_lt(x_113, x_114);
-if (x_115 == 0)
+x_115 = lean_ctor_get(x_16, 2);
+lean_inc(x_115);
+x_116 = lean_nat_dec_lt(x_114, x_115);
+if (x_116 == 0)
 {
-lean_object* x_116; lean_object* x_117; 
+lean_object* x_117; lean_object* x_118; 
+lean_dec(x_115);
 lean_dec(x_114);
 lean_dec(x_113);
-lean_dec(x_112);
+lean_dec(x_18);
 lean_dec(x_17);
-lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_111);
-lean_ctor_set(x_116, 1, x_15);
+lean_dec(x_1);
 x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_11);
-return x_117;
+lean_ctor_set(x_117, 0, x_16);
+lean_ctor_set(x_117, 1, x_112);
+x_118 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_12);
+return x_118;
 }
 else
 {
-lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-if (lean_is_exclusive(x_15)) {
- lean_ctor_release(x_15, 0);
- lean_ctor_release(x_15, 1);
- lean_ctor_release(x_15, 2);
- x_118 = x_15;
+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; uint8_t x_127; 
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ x_119 = x_16;
 } else {
- lean_dec_ref(x_15);
- x_118 = lean_box(0);
+ lean_dec_ref(x_16);
+ x_119 = lean_box(0);
 }
-x_119 = lean_array_fget(x_112, x_113);
-x_120 = lean_unsigned_to_nat(1u);
-x_121 = lean_nat_add(x_113, x_120);
-lean_dec(x_113);
-if (lean_is_scalar(x_118)) {
- x_122 = lean_alloc_ctor(0, 3, 0);
+x_120 = lean_array_fget(x_113, x_114);
+x_121 = lean_unsigned_to_nat(1u);
+x_122 = lean_nat_add(x_114, x_121);
+lean_dec(x_114);
+if (lean_is_scalar(x_119)) {
+ x_123 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_122 = x_118;
+ x_123 = x_119;
 }
-lean_ctor_set(x_122, 0, x_112);
-lean_ctor_set(x_122, 1, x_121);
-lean_ctor_set(x_122, 2, x_114);
-x_123 = lean_ctor_get(x_111, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_111, 1);
+lean_ctor_set(x_123, 0, x_113);
+lean_ctor_set(x_123, 1, x_122);
+lean_ctor_set(x_123, 2, x_115);
+x_124 = lean_ctor_get(x_112, 0);
 lean_inc(x_124);
-x_125 = lean_ctor_get(x_111, 2);
+x_125 = lean_ctor_get(x_112, 1);
 lean_inc(x_125);
-x_126 = lean_nat_dec_lt(x_124, x_125);
-if (x_126 == 0)
+x_126 = lean_ctor_get(x_112, 2);
+lean_inc(x_126);
+x_127 = lean_nat_dec_lt(x_125, x_126);
+if (x_127 == 0)
 {
-lean_object* x_127; lean_object* x_128; 
+lean_object* x_128; lean_object* x_129; 
+lean_dec(x_126);
 lean_dec(x_125);
 lean_dec(x_124);
-lean_dec(x_123);
-lean_dec(x_119);
+lean_dec(x_120);
+lean_dec(x_18);
 lean_dec(x_17);
-lean_dec(x_16);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_127 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_127, 0, x_111);
-lean_ctor_set(x_127, 1, x_122);
+lean_dec(x_1);
 x_128 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_128, 0, x_127);
-lean_ctor_set(x_128, 1, x_11);
-return x_128;
+lean_ctor_set(x_128, 0, x_123);
+lean_ctor_set(x_128, 1, x_112);
+x_129 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_12);
+return x_129;
 }
 else
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
-if (lean_is_exclusive(x_111)) {
- lean_ctor_release(x_111, 0);
- lean_ctor_release(x_111, 1);
- lean_ctor_release(x_111, 2);
- x_129 = x_111;
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+if (lean_is_exclusive(x_112)) {
+ lean_ctor_release(x_112, 0);
+ lean_ctor_release(x_112, 1);
+ lean_ctor_release(x_112, 2);
+ x_130 = x_112;
 } else {
- lean_dec_ref(x_111);
- x_129 = lean_box(0);
+ lean_dec_ref(x_112);
+ x_130 = lean_box(0);
 }
-x_130 = lean_array_fget(x_123, x_124);
-x_131 = lean_nat_add(x_124, x_120);
-lean_dec(x_124);
-if (lean_is_scalar(x_129)) {
- x_132 = lean_alloc_ctor(0, 3, 0);
+x_131 = lean_array_fget(x_124, x_125);
+x_132 = lean_nat_add(x_125, x_121);
+lean_dec(x_125);
+if (lean_is_scalar(x_130)) {
+ x_133 = lean_alloc_ctor(0, 3, 0);
 } else {
- x_132 = x_129;
+ x_133 = x_130;
 }
-lean_ctor_set(x_132, 0, x_123);
-lean_ctor_set(x_132, 1, x_131);
-lean_ctor_set(x_132, 2, x_125);
+lean_ctor_set(x_133, 0, x_124);
+lean_ctor_set(x_133, 1, x_132);
+lean_ctor_set(x_133, 2, x_126);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_130);
-x_133 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_119, x_17, x_16, x_130, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_133) == 0)
+lean_inc(x_131);
+lean_inc(x_1);
+x_134 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary(x_120, x_1, x_18, x_17, x_131, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_134) == 0)
 {
-lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_134 = lean_ctor_get(x_133, 0);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_133, 1);
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_135 = lean_ctor_get(x_134, 0);
 lean_inc(x_135);
-lean_dec(x_133);
-lean_inc(x_134);
-x_136 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
-lean_closure_set(x_136, 0, x_134);
-lean_closure_set(x_136, 1, x_130);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+lean_inc(x_135);
+x_137 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1___lambda__1), 9, 2);
+lean_closure_set(x_137, 0, x_135);
+lean_closure_set(x_137, 1, x_131);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
-x_137 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_134, x_136, x_5, x_6, x_7, x_8, x_9, x_10, x_135);
-if (lean_obj_tag(x_137) == 0)
+x_138 = l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(x_135, x_137, x_6, x_7, x_8, x_9, x_10, x_11, x_136);
+if (lean_obj_tag(x_138) == 0)
 {
-lean_object* x_138; lean_object* x_139; size_t x_140; size_t x_141; 
-x_138 = lean_ctor_get(x_137, 1);
-lean_inc(x_138);
-lean_dec(x_137);
-x_139 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_139, 0, x_132);
-lean_ctor_set(x_139, 1, x_122);
-x_140 = 1;
-x_141 = lean_usize_add(x_3, x_140);
-x_3 = x_141;
-x_4 = x_139;
-x_11 = x_138;
+lean_object* x_139; lean_object* x_140; size_t x_141; size_t x_142; 
+x_139 = lean_ctor_get(x_138, 1);
+lean_inc(x_139);
+lean_dec(x_138);
+x_140 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_140, 0, x_123);
+lean_ctor_set(x_140, 1, x_133);
+x_141 = 1;
+x_142 = lean_usize_add(x_4, x_141);
+x_4 = x_142;
+x_5 = x_140;
+x_12 = x_139;
 goto _start;
 }
 else
 {
-lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-lean_dec(x_132);
-lean_dec(x_122);
+lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
+lean_dec(x_133);
+lean_dec(x_123);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_143 = lean_ctor_get(x_137, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_137, 1);
+lean_dec(x_1);
+x_144 = lean_ctor_get(x_138, 0);
 lean_inc(x_144);
-if (lean_is_exclusive(x_137)) {
- lean_ctor_release(x_137, 0);
- lean_ctor_release(x_137, 1);
- x_145 = x_137;
+x_145 = lean_ctor_get(x_138, 1);
+lean_inc(x_145);
+if (lean_is_exclusive(x_138)) {
+ lean_ctor_release(x_138, 0);
+ lean_ctor_release(x_138, 1);
+ x_146 = x_138;
 } else {
- lean_dec_ref(x_137);
- x_145 = lean_box(0);
+ lean_dec_ref(x_138);
+ x_146 = lean_box(0);
 }
-if (lean_is_scalar(x_145)) {
- x_146 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_146)) {
+ x_147 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_146 = x_145;
+ x_147 = x_146;
 }
-lean_ctor_set(x_146, 0, x_143);
-lean_ctor_set(x_146, 1, x_144);
-return x_146;
+lean_ctor_set(x_147, 0, x_144);
+lean_ctor_set(x_147, 1, x_145);
+return x_147;
 }
 }
 else
 {
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-lean_dec(x_132);
-lean_dec(x_130);
-lean_dec(x_122);
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+lean_dec(x_133);
+lean_dec(x_131);
+lean_dec(x_123);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_147 = lean_ctor_get(x_133, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_133, 1);
+lean_dec(x_1);
+x_148 = lean_ctor_get(x_134, 0);
 lean_inc(x_148);
-if (lean_is_exclusive(x_133)) {
- lean_ctor_release(x_133, 0);
- lean_ctor_release(x_133, 1);
- x_149 = x_133;
+x_149 = lean_ctor_get(x_134, 1);
+lean_inc(x_149);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
+ x_150 = x_134;
 } else {
- lean_dec_ref(x_133);
- x_149 = lean_box(0);
+ lean_dec_ref(x_134);
+ x_150 = lean_box(0);
 }
-if (lean_is_scalar(x_149)) {
- x_150 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_150)) {
+ x_151 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_150 = x_149;
+ x_151 = x_150;
 }
-lean_ctor_set(x_150, 0, x_147);
-lean_ctor_set(x_150, 1, x_148);
-return x_150;
+lean_ctor_set(x_151, 0, x_148);
+lean_ctor_set(x_151, 1, x_149);
+return x_151;
 }
 }
 }
@@ -2126,410 +3896,416 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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) {
 _start:
 {
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_9);
-if (x_12 == 0)
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_10);
+if (x_13 == 0)
 {
-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_9, 3);
-x_14 = l_Lean_replaceRef(x_1, x_13);
-lean_dec(x_13);
-lean_ctor_set(x_9, 3, x_14);
-x_15 = lean_box(0);
-lean_inc(x_7);
-x_16 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_2, x_15, x_7, x_8, x_9, x_10, x_11);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_14 = lean_ctor_get(x_10, 3);
+x_15 = l_Lean_replaceRef(x_1, x_14);
+lean_dec(x_14);
+lean_ctor_set(x_10, 3, x_15);
+x_16 = lean_box(0);
+lean_inc(x_8);
+x_17 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_2, x_16, x_8, x_9, x_10, x_11, x_12);
+x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
-lean_dec(x_16);
-x_19 = l_Lean_Expr_mvarId_x21(x_17);
-lean_dec(x_17);
-x_20 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__2;
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_21 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_20, x_7, x_8, x_9, x_10, x_18);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-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);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
+x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
-x_24 = l_Lean_Meta_apply(x_19, x_22, x_7, x_8, x_9, x_10, x_23);
-if (lean_obj_tag(x_24) == 0)
+lean_dec(x_17);
+x_20 = l_Lean_Expr_mvarId_x21(x_18);
+lean_dec(x_18);
+x_21 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__2;
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_22 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_21, x_8, x_9, x_10, x_11, x_19);
+if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_25; 
-x_25 = lean_ctor_get(x_24, 0);
-lean_inc(x_25);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+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_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_20);
+x_25 = l_Lean_Meta_apply(x_20, x_23, x_8, x_9, x_10, x_11, x_24);
 if (lean_obj_tag(x_25) == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-lean_dec(x_19);
-lean_dec(x_4);
-lean_dec(x_3);
-x_26 = lean_ctor_get(x_24, 1);
+lean_object* x_26; 
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_24);
-x_27 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_28 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_27, x_5, x_6, x_7, x_8, x_9, x_10, x_26);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_dec(x_20);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_29 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_28, x_6, x_7, x_8, x_9, x_10, x_11, x_27);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_28;
+return x_29;
 }
 else
 {
-lean_object* x_29; 
-x_29 = lean_ctor_get(x_25, 1);
-lean_inc(x_29);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-lean_dec(x_25);
-lean_dec(x_19);
-lean_dec(x_4);
-lean_dec(x_3);
-x_30 = lean_ctor_get(x_24, 1);
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 1);
 lean_inc(x_30);
-lean_dec(x_24);
-x_31 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_32 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_31, x_5, x_6, x_7, x_8, x_9, x_10, x_30);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-return x_32;
-}
-else
+if (lean_obj_tag(x_30) == 0)
 {
-lean_object* x_33; 
-x_33 = lean_ctor_get(x_29, 1);
-lean_inc(x_33);
-if (lean_obj_tag(x_33) == 0)
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-lean_dec(x_29);
-lean_dec(x_25);
-lean_dec(x_19);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_26);
+lean_dec(x_20);
+lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_34 = lean_ctor_get(x_24, 1);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_36 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_35, x_5, x_6, x_7, x_8, x_9, x_10, x_34);
+x_31 = lean_ctor_get(x_25, 1);
+lean_inc(x_31);
+lean_dec(x_25);
+x_32 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_33 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_31);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_36;
+return x_33;
 }
 else
 {
-lean_object* x_37; 
-x_37 = lean_ctor_get(x_33, 1);
-lean_inc(x_37);
-lean_dec(x_33);
-if (lean_obj_tag(x_37) == 0)
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_30, 1);
+lean_inc(x_34);
+if (lean_obj_tag(x_34) == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; 
-x_38 = lean_ctor_get(x_24, 1);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+lean_dec(x_30);
+lean_dec(x_26);
+lean_dec(x_20);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_35 = lean_ctor_get(x_25, 1);
+lean_inc(x_35);
+lean_dec(x_25);
+x_36 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_37 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_36, x_6, x_7, x_8, x_9, x_10, x_11, x_35);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+return x_37;
+}
+else
+{
+lean_object* x_38; 
+x_38 = lean_ctor_get(x_34, 1);
 lean_inc(x_38);
-lean_dec(x_24);
-x_39 = lean_ctor_get(x_25, 0);
+lean_dec(x_34);
+if (lean_obj_tag(x_38) == 0)
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; 
+x_39 = lean_ctor_get(x_25, 1);
 lean_inc(x_39);
 lean_dec(x_25);
-x_40 = lean_ctor_get(x_29, 0);
+x_40 = lean_ctor_get(x_26, 0);
 lean_inc(x_40);
-lean_dec(x_29);
-x_41 = 0;
+lean_dec(x_26);
+x_41 = lean_ctor_get(x_30, 0);
+lean_inc(x_41);
+lean_dec(x_30);
+x_42 = 0;
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_42 = l_Lean_Meta_intro1Core(x_39, x_41, x_7, x_8, x_9, x_10, x_38);
-if (lean_obj_tag(x_42) == 0)
+x_43 = l_Lean_Meta_intro1Core(x_40, x_42, x_8, x_9, x_10, x_11, x_39);
+if (lean_obj_tag(x_43) == 0)
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
-lean_dec(x_42);
-x_45 = lean_ctor_get(x_43, 0);
+x_45 = lean_ctor_get(x_43, 1);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_43, 1);
-lean_inc(x_46);
 lean_dec(x_43);
+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);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
 lean_inc(x_3);
-x_47 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual(x_3, x_46, x_45, x_5, x_6, x_7, x_8, x_9, x_10, x_44);
-if (lean_obj_tag(x_47) == 0)
+x_48 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual(x_3, x_47, x_46, x_6, x_7, x_8, x_9, x_10, x_11, x_45);
+if (lean_obj_tag(x_48) == 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; lean_object* x_54; lean_object* x_55; lean_object* x_56; size_t x_57; size_t x_58; lean_object* x_59; 
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_47, 1);
+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; size_t x_58; size_t x_59; lean_object* x_60; 
+x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
-lean_dec(x_47);
-x_50 = lean_array_get_size(x_4);
-x_51 = lean_unsigned_to_nat(0u);
-x_52 = l_Array_toSubarray___rarg(x_4, x_51, x_50);
-x_53 = lean_array_get_size(x_3);
-x_54 = l_Array_toSubarray___rarg(x_3, x_51, x_53);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_52);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = lean_array_get_size(x_48);
-x_57 = lean_usize_of_nat(x_56);
-lean_dec(x_56);
-x_58 = 0;
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_59 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(x_48, x_57, x_58, x_55, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
 lean_dec(x_48);
-if (lean_obj_tag(x_59) == 0)
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-lean_dec(x_59);
-lean_inc(x_40);
-x_61 = l_Lean_mkMVar(x_40);
+x_51 = lean_array_get_size(x_4);
+x_52 = lean_unsigned_to_nat(0u);
+x_53 = l_Array_toSubarray___rarg(x_4, x_52, x_51);
+x_54 = lean_array_get_size(x_3);
+x_55 = l_Array_toSubarray___rarg(x_3, x_52, x_54);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_53);
+x_57 = lean_array_get_size(x_49);
+x_58 = lean_usize_of_nat(x_57);
+lean_dec(x_57);
+x_59 = 0;
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_62 = lean_infer_type(x_61, x_7, x_8, x_9, x_10, x_60);
-if (lean_obj_tag(x_62) == 0)
+x_60 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(x_5, x_49, x_58, x_59, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_50);
+lean_dec(x_49);
+if (lean_obj_tag(x_60) == 0)
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_60, 1);
+lean_inc(x_61);
+lean_dec(x_60);
+lean_inc(x_41);
+x_62 = l_Lean_mkMVar(x_41);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_63 = lean_infer_type(x_62, x_8, x_9, x_10, x_11, x_61);
+if (lean_obj_tag(x_63) == 0)
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_62);
-x_65 = lean_box(0);
+x_65 = lean_ctor_get(x_63, 1);
+lean_inc(x_65);
+lean_dec(x_63);
+x_66 = lean_box(0);
+lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_66 = l_Lean_Meta_synthInstance(x_63, x_65, x_7, x_8, x_9, x_10, x_64);
-if (lean_obj_tag(x_66) == 0)
+x_67 = l_Lean_Meta_synthInstance(x_64, x_66, x_8, x_9, x_10, x_11, x_65);
+if (lean_obj_tag(x_67) == 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_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_68 = lean_ctor_get(x_67, 0);
 lean_inc(x_68);
-lean_dec(x_66);
-x_69 = l_Lean_Meta_assignExprMVar(x_40, x_67, x_7, x_8, x_9, x_10, x_68);
-x_70 = lean_ctor_get(x_69, 1);
-lean_inc(x_70);
-lean_dec(x_69);
-x_71 = l_Lean_mkMVar(x_19);
-x_72 = l_Lean_Meta_instantiateMVars(x_71, x_7, x_8, x_9, x_10, x_70);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-return x_72;
-}
-else
-{
-uint8_t x_73; 
-lean_dec(x_40);
-lean_dec(x_19);
-lean_dec(x_9);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = l_Lean_Meta_assignExprMVar(x_41, x_68, x_8, x_9, x_10, x_11, x_69);
+x_71 = lean_ctor_get(x_70, 1);
+lean_inc(x_71);
+lean_dec(x_70);
+x_72 = l_Lean_mkMVar(x_20);
+x_73 = l_Lean_Meta_instantiateMVars(x_72, x_8, x_9, x_10, x_11, x_71);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_8);
-lean_dec(x_7);
-x_73 = !lean_is_exclusive(x_66);
-if (x_73 == 0)
-{
-return x_66;
+return x_73;
 }
 else
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_74 = lean_ctor_get(x_66, 0);
-x_75 = lean_ctor_get(x_66, 1);
+uint8_t x_74; 
+lean_dec(x_41);
+lean_dec(x_20);
+lean_dec(x_10);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+x_74 = !lean_is_exclusive(x_67);
+if (x_74 == 0)
+{
+return x_67;
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_75 = lean_ctor_get(x_67, 0);
+x_76 = lean_ctor_get(x_67, 1);
+lean_inc(x_76);
 lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_66);
-x_76 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_76, 0, x_74);
-lean_ctor_set(x_76, 1, x_75);
-return x_76;
+lean_dec(x_67);
+x_77 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_77, 0, x_75);
+lean_ctor_set(x_77, 1, x_76);
+return x_77;
 }
 }
 }
 else
 {
-uint8_t x_77; 
-lean_dec(x_40);
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_78; 
+lean_dec(x_41);
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-x_77 = !lean_is_exclusive(x_62);
-if (x_77 == 0)
+x_78 = !lean_is_exclusive(x_63);
+if (x_78 == 0)
 {
-return x_62;
+return x_63;
 }
 else
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_62, 0);
-x_79 = lean_ctor_get(x_62, 1);
+lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_79 = lean_ctor_get(x_63, 0);
+x_80 = lean_ctor_get(x_63, 1);
+lean_inc(x_80);
 lean_inc(x_79);
-lean_inc(x_78);
-lean_dec(x_62);
-x_80 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-return x_80;
+lean_dec(x_63);
+x_81 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_81, 0, x_79);
+lean_ctor_set(x_81, 1, x_80);
+return x_81;
 }
 }
 }
 else
 {
-uint8_t x_81; 
-lean_dec(x_40);
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_82; 
+lean_dec(x_41);
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-x_81 = !lean_is_exclusive(x_59);
-if (x_81 == 0)
+x_82 = !lean_is_exclusive(x_60);
+if (x_82 == 0)
 {
-return x_59;
+return x_60;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_59, 0);
-x_83 = lean_ctor_get(x_59, 1);
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_60, 0);
+x_84 = lean_ctor_get(x_60, 1);
+lean_inc(x_84);
 lean_inc(x_83);
-lean_inc(x_82);
-lean_dec(x_59);
-x_84 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-return x_84;
+lean_dec(x_60);
+x_85 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_85, 0, x_83);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
 }
 }
 }
 else
 {
-uint8_t x_85; 
-lean_dec(x_40);
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_86; 
+lean_dec(x_41);
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+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);
-x_85 = !lean_is_exclusive(x_47);
-if (x_85 == 0)
+x_86 = !lean_is_exclusive(x_48);
+if (x_86 == 0)
 {
-return x_47;
+return x_48;
 }
 else
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get(x_47, 0);
-x_87 = lean_ctor_get(x_47, 1);
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_87 = lean_ctor_get(x_48, 0);
+x_88 = lean_ctor_get(x_48, 1);
+lean_inc(x_88);
 lean_inc(x_87);
-lean_inc(x_86);
-lean_dec(x_47);
-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;
+lean_dec(x_48);
+x_89 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+return x_89;
 }
 }
 }
 else
 {
-uint8_t x_89; 
-lean_dec(x_40);
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_90; 
+lean_dec(x_41);
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+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);
-x_89 = !lean_is_exclusive(x_42);
-if (x_89 == 0)
+x_90 = !lean_is_exclusive(x_43);
+if (x_90 == 0)
 {
-return x_42;
+return x_43;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_90 = lean_ctor_get(x_42, 0);
-x_91 = lean_ctor_get(x_42, 1);
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_43, 0);
+x_92 = lean_ctor_get(x_43, 1);
+lean_inc(x_92);
 lean_inc(x_91);
-lean_inc(x_90);
-lean_dec(x_42);
-x_92 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_92, 0, x_90);
-lean_ctor_set(x_92, 1, x_91);
-return x_92;
+lean_dec(x_43);
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
 }
 }
 }
 else
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-lean_dec(x_37);
-lean_dec(x_29);
+lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+lean_dec(x_38);
+lean_dec(x_30);
+lean_dec(x_26);
+lean_dec(x_20);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_94 = lean_ctor_get(x_25, 1);
+lean_inc(x_94);
 lean_dec(x_25);
-lean_dec(x_19);
-lean_dec(x_4);
-lean_dec(x_3);
-x_93 = lean_ctor_get(x_24, 1);
-lean_inc(x_93);
-lean_dec(x_24);
-x_94 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_95 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_94, x_5, x_6, x_7, x_8, x_9, x_10, x_93);
+x_95 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_96 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_95, x_6, x_7, x_8, x_9, x_10, x_11, x_94);
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_95;
+return x_96;
 }
 }
 }
@@ -2537,79 +4313,82 @@ return x_95;
 }
 else
 {
-uint8_t x_96; 
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_97; 
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+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);
-x_96 = !lean_is_exclusive(x_24);
-if (x_96 == 0)
+x_97 = !lean_is_exclusive(x_25);
+if (x_97 == 0)
 {
-return x_24;
+return x_25;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_97 = lean_ctor_get(x_24, 0);
-x_98 = lean_ctor_get(x_24, 1);
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_25, 0);
+x_99 = lean_ctor_get(x_25, 1);
+lean_inc(x_99);
 lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_24);
-x_99 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_99, 0, x_97);
-lean_ctor_set(x_99, 1, x_98);
-return x_99;
+lean_dec(x_25);
+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
 {
-uint8_t x_100; 
-lean_dec(x_19);
-lean_dec(x_9);
+uint8_t x_101; 
+lean_dec(x_20);
 lean_dec(x_10);
+lean_dec(x_11);
+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);
-x_100 = !lean_is_exclusive(x_21);
-if (x_100 == 0)
+x_101 = !lean_is_exclusive(x_22);
+if (x_101 == 0)
 {
-return x_21;
+return x_22;
 }
 else
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_101 = lean_ctor_get(x_21, 0);
-x_102 = lean_ctor_get(x_21, 1);
+lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_102 = lean_ctor_get(x_22, 0);
+x_103 = lean_ctor_get(x_22, 1);
+lean_inc(x_103);
 lean_inc(x_102);
-lean_inc(x_101);
-lean_dec(x_21);
-x_103 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_103, 0, x_101);
-lean_ctor_set(x_103, 1, x_102);
-return x_103;
+lean_dec(x_22);
+x_104 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_104, 0, x_102);
+lean_ctor_set(x_104, 1, x_103);
+return x_104;
 }
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_104 = lean_ctor_get(x_9, 0);
-x_105 = lean_ctor_get(x_9, 1);
-x_106 = lean_ctor_get(x_9, 2);
-x_107 = lean_ctor_get(x_9, 3);
-x_108 = lean_ctor_get(x_9, 4);
-x_109 = lean_ctor_get(x_9, 5);
-x_110 = lean_ctor_get(x_9, 6);
-x_111 = lean_ctor_get(x_9, 7);
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_105 = lean_ctor_get(x_10, 0);
+x_106 = lean_ctor_get(x_10, 1);
+x_107 = lean_ctor_get(x_10, 2);
+x_108 = lean_ctor_get(x_10, 3);
+x_109 = lean_ctor_get(x_10, 4);
+x_110 = lean_ctor_get(x_10, 5);
+x_111 = lean_ctor_get(x_10, 6);
+x_112 = lean_ctor_get(x_10, 7);
+lean_inc(x_112);
 lean_inc(x_111);
 lean_inc(x_110);
 lean_inc(x_109);
@@ -2617,421 +4396,426 @@ lean_inc(x_108);
 lean_inc(x_107);
 lean_inc(x_106);
 lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_9);
-x_112 = l_Lean_replaceRef(x_1, x_107);
-lean_dec(x_107);
-x_113 = lean_alloc_ctor(0, 8, 0);
-lean_ctor_set(x_113, 0, x_104);
-lean_ctor_set(x_113, 1, x_105);
-lean_ctor_set(x_113, 2, x_106);
-lean_ctor_set(x_113, 3, x_112);
-lean_ctor_set(x_113, 4, x_108);
-lean_ctor_set(x_113, 5, x_109);
-lean_ctor_set(x_113, 6, x_110);
-lean_ctor_set(x_113, 7, x_111);
-x_114 = lean_box(0);
-lean_inc(x_7);
-x_115 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_2, x_114, x_7, x_8, x_113, x_10, x_11);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
+lean_dec(x_10);
+x_113 = l_Lean_replaceRef(x_1, x_108);
+lean_dec(x_108);
+x_114 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_114, 0, x_105);
+lean_ctor_set(x_114, 1, x_106);
+lean_ctor_set(x_114, 2, x_107);
+lean_ctor_set(x_114, 3, x_113);
+lean_ctor_set(x_114, 4, x_109);
+lean_ctor_set(x_114, 5, x_110);
+lean_ctor_set(x_114, 6, x_111);
+lean_ctor_set(x_114, 7, x_112);
+x_115 = lean_box(0);
+lean_inc(x_8);
+x_116 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_2, x_115, x_8, x_9, x_114, x_11, x_12);
+x_117 = lean_ctor_get(x_116, 0);
 lean_inc(x_117);
-lean_dec(x_115);
-x_118 = l_Lean_Expr_mvarId_x21(x_116);
-lean_dec(x_116);
-x_119 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__2;
-lean_inc(x_10);
-lean_inc(x_113);
-lean_inc(x_8);
-lean_inc(x_7);
-x_120 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_119, x_7, x_8, x_113, x_10, x_117);
-if (lean_obj_tag(x_120) == 0)
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-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_10);
-lean_inc(x_113);
-lean_inc(x_8);
-lean_inc(x_7);
+x_118 = lean_ctor_get(x_116, 1);
 lean_inc(x_118);
-x_123 = l_Lean_Meta_apply(x_118, x_121, x_7, x_8, x_113, x_10, x_122);
-if (lean_obj_tag(x_123) == 0)
+lean_dec(x_116);
+x_119 = l_Lean_Expr_mvarId_x21(x_117);
+lean_dec(x_117);
+x_120 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__2;
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
+lean_inc(x_8);
+x_121 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_120, x_8, x_9, x_114, x_11, x_118);
+if (lean_obj_tag(x_121) == 0)
 {
-lean_object* x_124; 
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_119);
+x_124 = l_Lean_Meta_apply(x_119, x_122, x_8, x_9, x_114, x_11, x_123);
 if (lean_obj_tag(x_124) == 0)
 {
-lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-lean_dec(x_118);
-lean_dec(x_4);
-lean_dec(x_3);
-x_125 = lean_ctor_get(x_123, 1);
+lean_object* x_125; 
+x_125 = lean_ctor_get(x_124, 0);
 lean_inc(x_125);
-lean_dec(x_123);
-x_126 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_127 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_126, x_5, x_6, x_7, x_8, x_113, x_10, x_125);
-lean_dec(x_10);
-lean_dec(x_113);
+if (lean_obj_tag(x_125) == 0)
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+lean_dec(x_119);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_126 = lean_ctor_get(x_124, 1);
+lean_inc(x_126);
+lean_dec(x_124);
+x_127 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_128 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_127, x_6, x_7, x_8, x_9, x_114, x_11, x_126);
+lean_dec(x_11);
+lean_dec(x_114);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_127;
+return x_128;
 }
 else
 {
-lean_object* x_128; 
-x_128 = lean_ctor_get(x_124, 1);
-lean_inc(x_128);
-if (lean_obj_tag(x_128) == 0)
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-lean_dec(x_124);
-lean_dec(x_118);
-lean_dec(x_4);
-lean_dec(x_3);
-x_129 = lean_ctor_get(x_123, 1);
+lean_object* x_129; 
+x_129 = lean_ctor_get(x_125, 1);
 lean_inc(x_129);
-lean_dec(x_123);
-x_130 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_131 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_130, x_5, x_6, x_7, x_8, x_113, x_10, x_129);
-lean_dec(x_10);
-lean_dec(x_113);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-return x_131;
-}
-else
+if (lean_obj_tag(x_129) == 0)
 {
-lean_object* x_132; 
-x_132 = lean_ctor_get(x_128, 1);
-lean_inc(x_132);
-if (lean_obj_tag(x_132) == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_128);
-lean_dec(x_124);
-lean_dec(x_118);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+lean_dec(x_125);
+lean_dec(x_119);
+lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_133 = lean_ctor_get(x_123, 1);
-lean_inc(x_133);
-lean_dec(x_123);
-x_134 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_135 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_134, x_5, x_6, x_7, x_8, x_113, x_10, x_133);
-lean_dec(x_10);
-lean_dec(x_113);
+x_130 = lean_ctor_get(x_124, 1);
+lean_inc(x_130);
+lean_dec(x_124);
+x_131 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_132 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_131, x_6, x_7, x_8, x_9, x_114, x_11, x_130);
+lean_dec(x_11);
+lean_dec(x_114);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_135;
+return x_132;
 }
 else
 {
-lean_object* x_136; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-lean_dec(x_132);
-if (lean_obj_tag(x_136) == 0)
+lean_object* x_133; 
+x_133 = lean_ctor_get(x_129, 1);
+lean_inc(x_133);
+if (lean_obj_tag(x_133) == 0)
 {
-lean_object* x_137; lean_object* x_138; lean_object* x_139; uint8_t x_140; lean_object* x_141; 
-x_137 = lean_ctor_get(x_123, 1);
+lean_object* x_134; lean_object* x_135; lean_object* x_136; 
+lean_dec(x_129);
+lean_dec(x_125);
+lean_dec(x_119);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_134 = lean_ctor_get(x_124, 1);
+lean_inc(x_134);
+lean_dec(x_124);
+x_135 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_136 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_135, x_6, x_7, x_8, x_9, x_114, x_11, x_134);
+lean_dec(x_11);
+lean_dec(x_114);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+return x_136;
+}
+else
+{
+lean_object* x_137; 
+x_137 = lean_ctor_get(x_133, 1);
 lean_inc(x_137);
-lean_dec(x_123);
-x_138 = lean_ctor_get(x_124, 0);
+lean_dec(x_133);
+if (lean_obj_tag(x_137) == 0)
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; lean_object* x_142; 
+x_138 = lean_ctor_get(x_124, 1);
 lean_inc(x_138);
 lean_dec(x_124);
-x_139 = lean_ctor_get(x_128, 0);
+x_139 = lean_ctor_get(x_125, 0);
 lean_inc(x_139);
-lean_dec(x_128);
-x_140 = 0;
-lean_inc(x_10);
-lean_inc(x_113);
+lean_dec(x_125);
+x_140 = lean_ctor_get(x_129, 0);
+lean_inc(x_140);
+lean_dec(x_129);
+x_141 = 0;
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_141 = l_Lean_Meta_intro1Core(x_138, x_140, x_7, x_8, x_113, x_10, x_137);
-if (lean_obj_tag(x_141) == 0)
+x_142 = l_Lean_Meta_intro1Core(x_139, x_141, x_8, x_9, x_114, x_11, x_138);
+if (lean_obj_tag(x_142) == 0)
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_141, 1);
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
+x_143 = lean_ctor_get(x_142, 0);
 lean_inc(x_143);
-lean_dec(x_141);
-x_144 = lean_ctor_get(x_142, 0);
+x_144 = lean_ctor_get(x_142, 1);
 lean_inc(x_144);
-x_145 = lean_ctor_get(x_142, 1);
-lean_inc(x_145);
 lean_dec(x_142);
-lean_inc(x_10);
-lean_inc(x_113);
+x_145 = lean_ctor_get(x_143, 0);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_5);
 lean_inc(x_3);
-x_146 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual(x_3, x_145, x_144, x_5, x_6, x_7, x_8, x_113, x_10, x_143);
-if (lean_obj_tag(x_146) == 0)
+x_147 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual(x_3, x_146, x_145, x_6, x_7, x_8, x_9, x_114, x_11, x_144);
+if (lean_obj_tag(x_147) == 0)
 {
-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; size_t x_156; size_t x_157; lean_object* x_158; 
-x_147 = lean_ctor_get(x_146, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_146, 1);
+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; size_t x_157; size_t x_158; lean_object* x_159; 
+x_148 = lean_ctor_get(x_147, 0);
 lean_inc(x_148);
-lean_dec(x_146);
-x_149 = lean_array_get_size(x_4);
-x_150 = lean_unsigned_to_nat(0u);
-x_151 = l_Array_toSubarray___rarg(x_4, x_150, x_149);
-x_152 = lean_array_get_size(x_3);
-x_153 = l_Array_toSubarray___rarg(x_3, x_150, x_152);
-x_154 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_154, 0, x_151);
-lean_ctor_set(x_154, 1, x_153);
-x_155 = lean_array_get_size(x_147);
-x_156 = lean_usize_of_nat(x_155);
-lean_dec(x_155);
-x_157 = 0;
-lean_inc(x_10);
-lean_inc(x_113);
-lean_inc(x_8);
-lean_inc(x_7);
-x_158 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(x_147, x_156, x_157, x_154, x_5, x_6, x_7, x_8, x_113, x_10, x_148);
+x_149 = lean_ctor_get(x_147, 1);
+lean_inc(x_149);
 lean_dec(x_147);
-if (lean_obj_tag(x_158) == 0)
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-x_159 = lean_ctor_get(x_158, 1);
-lean_inc(x_159);
-lean_dec(x_158);
-lean_inc(x_139);
-x_160 = l_Lean_mkMVar(x_139);
-lean_inc(x_10);
-lean_inc(x_113);
+x_150 = lean_array_get_size(x_4);
+x_151 = lean_unsigned_to_nat(0u);
+x_152 = l_Array_toSubarray___rarg(x_4, x_151, x_150);
+x_153 = lean_array_get_size(x_3);
+x_154 = l_Array_toSubarray___rarg(x_3, x_151, x_153);
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_154);
+lean_ctor_set(x_155, 1, x_152);
+x_156 = lean_array_get_size(x_148);
+x_157 = lean_usize_of_nat(x_156);
+lean_dec(x_156);
+x_158 = 0;
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_161 = lean_infer_type(x_160, x_7, x_8, x_113, x_10, x_159);
-if (lean_obj_tag(x_161) == 0)
+x_159 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(x_5, x_148, x_157, x_158, x_155, x_6, x_7, x_8, x_9, x_114, x_11, x_149);
+lean_dec(x_148);
+if (lean_obj_tag(x_159) == 0)
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
-x_162 = lean_ctor_get(x_161, 0);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_161, 1);
+lean_object* x_160; lean_object* x_161; lean_object* x_162; 
+x_160 = lean_ctor_get(x_159, 1);
+lean_inc(x_160);
+lean_dec(x_159);
+lean_inc(x_140);
+x_161 = l_Lean_mkMVar(x_140);
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
+lean_inc(x_8);
+x_162 = lean_infer_type(x_161, x_8, x_9, x_114, x_11, x_160);
+if (lean_obj_tag(x_162) == 0)
+{
+lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_163 = lean_ctor_get(x_162, 0);
 lean_inc(x_163);
-lean_dec(x_161);
-x_164 = lean_box(0);
-lean_inc(x_10);
-lean_inc(x_113);
+x_164 = lean_ctor_get(x_162, 1);
+lean_inc(x_164);
+lean_dec(x_162);
+x_165 = lean_box(0);
+lean_inc(x_11);
+lean_inc(x_114);
+lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-x_165 = l_Lean_Meta_synthInstance(x_162, x_164, x_7, x_8, x_113, x_10, x_163);
-if (lean_obj_tag(x_165) == 0)
+x_166 = l_Lean_Meta_synthInstance(x_163, x_165, x_8, x_9, x_114, x_11, x_164);
+if (lean_obj_tag(x_166) == 0)
 {
-lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_166 = lean_ctor_get(x_165, 0);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_165, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+x_167 = lean_ctor_get(x_166, 0);
 lean_inc(x_167);
-lean_dec(x_165);
-x_168 = l_Lean_Meta_assignExprMVar(x_139, x_166, x_7, x_8, x_113, x_10, x_167);
-x_169 = lean_ctor_get(x_168, 1);
-lean_inc(x_169);
-lean_dec(x_168);
-x_170 = l_Lean_mkMVar(x_118);
-x_171 = l_Lean_Meta_instantiateMVars(x_170, x_7, x_8, x_113, x_10, x_169);
-lean_dec(x_10);
-lean_dec(x_113);
-lean_dec(x_7);
-return x_171;
+x_168 = lean_ctor_get(x_166, 1);
+lean_inc(x_168);
+lean_dec(x_166);
+x_169 = l_Lean_Meta_assignExprMVar(x_140, x_167, x_8, x_9, x_114, x_11, x_168);
+x_170 = lean_ctor_get(x_169, 1);
+lean_inc(x_170);
+lean_dec(x_169);
+x_171 = l_Lean_mkMVar(x_119);
+x_172 = l_Lean_Meta_instantiateMVars(x_171, x_8, x_9, x_114, x_11, x_170);
+lean_dec(x_11);
+lean_dec(x_114);
+lean_dec(x_8);
+return x_172;
 }
 else
 {
-lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; 
-lean_dec(x_139);
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+lean_dec(x_140);
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-x_172 = lean_ctor_get(x_165, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_165, 1);
+x_173 = lean_ctor_get(x_166, 0);
 lean_inc(x_173);
-if (lean_is_exclusive(x_165)) {
- lean_ctor_release(x_165, 0);
- lean_ctor_release(x_165, 1);
- x_174 = x_165;
+x_174 = lean_ctor_get(x_166, 1);
+lean_inc(x_174);
+if (lean_is_exclusive(x_166)) {
+ lean_ctor_release(x_166, 0);
+ lean_ctor_release(x_166, 1);
+ x_175 = x_166;
 } else {
- lean_dec_ref(x_165);
- x_174 = lean_box(0);
+ lean_dec_ref(x_166);
+ x_175 = lean_box(0);
 }
-if (lean_is_scalar(x_174)) {
- x_175 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_175)) {
+ x_176 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_175 = x_174;
+ x_176 = x_175;
 }
-lean_ctor_set(x_175, 0, x_172);
-lean_ctor_set(x_175, 1, x_173);
-return x_175;
+lean_ctor_set(x_176, 0, x_173);
+lean_ctor_set(x_176, 1, x_174);
+return x_176;
 }
 }
 else
 {
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-lean_dec(x_139);
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+lean_dec(x_140);
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-x_176 = lean_ctor_get(x_161, 0);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_161, 1);
+x_177 = lean_ctor_get(x_162, 0);
 lean_inc(x_177);
-if (lean_is_exclusive(x_161)) {
- lean_ctor_release(x_161, 0);
- lean_ctor_release(x_161, 1);
- x_178 = x_161;
+x_178 = lean_ctor_get(x_162, 1);
+lean_inc(x_178);
+if (lean_is_exclusive(x_162)) {
+ lean_ctor_release(x_162, 0);
+ lean_ctor_release(x_162, 1);
+ x_179 = x_162;
 } else {
- lean_dec_ref(x_161);
- x_178 = lean_box(0);
+ lean_dec_ref(x_162);
+ x_179 = lean_box(0);
 }
-if (lean_is_scalar(x_178)) {
- x_179 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_179)) {
+ x_180 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_179 = x_178;
+ x_180 = x_179;
 }
-lean_ctor_set(x_179, 0, x_176);
-lean_ctor_set(x_179, 1, x_177);
-return x_179;
+lean_ctor_set(x_180, 0, x_177);
+lean_ctor_set(x_180, 1, x_178);
+return x_180;
 }
 }
 else
 {
-lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
-lean_dec(x_139);
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+lean_dec(x_140);
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
-x_180 = lean_ctor_get(x_158, 0);
-lean_inc(x_180);
-x_181 = lean_ctor_get(x_158, 1);
+x_181 = lean_ctor_get(x_159, 0);
 lean_inc(x_181);
-if (lean_is_exclusive(x_158)) {
- lean_ctor_release(x_158, 0);
- lean_ctor_release(x_158, 1);
- x_182 = x_158;
+x_182 = lean_ctor_get(x_159, 1);
+lean_inc(x_182);
+if (lean_is_exclusive(x_159)) {
+ lean_ctor_release(x_159, 0);
+ lean_ctor_release(x_159, 1);
+ x_183 = x_159;
 } else {
- lean_dec_ref(x_158);
- x_182 = lean_box(0);
+ lean_dec_ref(x_159);
+ x_183 = lean_box(0);
 }
-if (lean_is_scalar(x_182)) {
- x_183 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_183)) {
+ x_184 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_183 = x_182;
+ x_184 = x_183;
 }
-lean_ctor_set(x_183, 0, x_180);
-lean_ctor_set(x_183, 1, x_181);
-return x_183;
+lean_ctor_set(x_184, 0, x_181);
+lean_ctor_set(x_184, 1, x_182);
+return x_184;
 }
 }
 else
 {
-lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; 
-lean_dec(x_139);
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
+lean_dec(x_140);
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+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);
-x_184 = lean_ctor_get(x_146, 0);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_146, 1);
+x_185 = lean_ctor_get(x_147, 0);
 lean_inc(x_185);
-if (lean_is_exclusive(x_146)) {
- lean_ctor_release(x_146, 0);
- lean_ctor_release(x_146, 1);
- x_186 = x_146;
+x_186 = lean_ctor_get(x_147, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_147)) {
+ lean_ctor_release(x_147, 0);
+ lean_ctor_release(x_147, 1);
+ x_187 = x_147;
 } else {
- lean_dec_ref(x_146);
- x_186 = lean_box(0);
+ lean_dec_ref(x_147);
+ x_187 = lean_box(0);
 }
-if (lean_is_scalar(x_186)) {
- x_187 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_187)) {
+ x_188 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_187 = x_186;
+ x_188 = x_187;
 }
-lean_ctor_set(x_187, 0, x_184);
-lean_ctor_set(x_187, 1, x_185);
-return x_187;
+lean_ctor_set(x_188, 0, x_185);
+lean_ctor_set(x_188, 1, x_186);
+return x_188;
 }
 }
 else
 {
-lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-lean_dec(x_139);
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+lean_dec(x_140);
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+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);
-x_188 = lean_ctor_get(x_141, 0);
-lean_inc(x_188);
-x_189 = lean_ctor_get(x_141, 1);
+x_189 = lean_ctor_get(x_142, 0);
 lean_inc(x_189);
-if (lean_is_exclusive(x_141)) {
- lean_ctor_release(x_141, 0);
- lean_ctor_release(x_141, 1);
- x_190 = x_141;
+x_190 = lean_ctor_get(x_142, 1);
+lean_inc(x_190);
+if (lean_is_exclusive(x_142)) {
+ lean_ctor_release(x_142, 0);
+ lean_ctor_release(x_142, 1);
+ x_191 = x_142;
 } else {
- lean_dec_ref(x_141);
- x_190 = lean_box(0);
+ lean_dec_ref(x_142);
+ x_191 = lean_box(0);
 }
-if (lean_is_scalar(x_190)) {
- x_191 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_191)) {
+ x_192 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_191 = x_190;
+ x_192 = x_191;
 }
-lean_ctor_set(x_191, 0, x_188);
-lean_ctor_set(x_191, 1, x_189);
-return x_191;
+lean_ctor_set(x_192, 0, x_189);
+lean_ctor_set(x_192, 1, x_190);
+return x_192;
 }
 }
 else
 {
-lean_object* x_192; lean_object* x_193; lean_object* x_194; 
-lean_dec(x_136);
-lean_dec(x_128);
+lean_object* x_193; lean_object* x_194; lean_object* x_195; 
+lean_dec(x_137);
+lean_dec(x_129);
+lean_dec(x_125);
+lean_dec(x_119);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_193 = lean_ctor_get(x_124, 1);
+lean_inc(x_193);
 lean_dec(x_124);
-lean_dec(x_118);
-lean_dec(x_4);
-lean_dec(x_3);
-x_192 = lean_ctor_get(x_123, 1);
-lean_inc(x_192);
-lean_dec(x_123);
-x_193 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
-x_194 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_193, x_5, x_6, x_7, x_8, x_113, x_10, x_192);
-lean_dec(x_10);
-lean_dec(x_113);
+x_194 = l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4;
+x_195 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_194, x_6, x_7, x_8, x_9, x_114, x_11, x_193);
+lean_dec(x_11);
+lean_dec(x_114);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_194;
+return x_195;
 }
 }
 }
@@ -3039,70 +4823,211 @@ return x_194;
 }
 else
 {
-lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+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);
-x_195 = lean_ctor_get(x_123, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_123, 1);
+x_196 = lean_ctor_get(x_124, 0);
 lean_inc(x_196);
-if (lean_is_exclusive(x_123)) {
- lean_ctor_release(x_123, 0);
- lean_ctor_release(x_123, 1);
- x_197 = x_123;
+x_197 = lean_ctor_get(x_124, 1);
+lean_inc(x_197);
+if (lean_is_exclusive(x_124)) {
+ lean_ctor_release(x_124, 0);
+ lean_ctor_release(x_124, 1);
+ x_198 = x_124;
 } else {
- lean_dec_ref(x_123);
- x_197 = lean_box(0);
+ lean_dec_ref(x_124);
+ x_198 = lean_box(0);
 }
-if (lean_is_scalar(x_197)) {
- x_198 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_198)) {
+ x_199 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_198 = x_197;
+ x_199 = x_198;
 }
-lean_ctor_set(x_198, 0, x_195);
-lean_ctor_set(x_198, 1, x_196);
-return x_198;
+lean_ctor_set(x_199, 0, x_196);
+lean_ctor_set(x_199, 1, x_197);
+return x_199;
 }
 }
 else
 {
-lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
-lean_dec(x_118);
-lean_dec(x_113);
-lean_dec(x_10);
+lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+lean_dec(x_119);
+lean_dec(x_114);
+lean_dec(x_11);
+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);
-x_199 = lean_ctor_get(x_120, 0);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_120, 1);
+x_200 = lean_ctor_get(x_121, 0);
 lean_inc(x_200);
-if (lean_is_exclusive(x_120)) {
- lean_ctor_release(x_120, 0);
- lean_ctor_release(x_120, 1);
- x_201 = x_120;
+x_201 = lean_ctor_get(x_121, 1);
+lean_inc(x_201);
+if (lean_is_exclusive(x_121)) {
+ lean_ctor_release(x_121, 0);
+ lean_ctor_release(x_121, 1);
+ x_202 = x_121;
 } else {
- lean_dec_ref(x_120);
- x_201 = lean_box(0);
+ lean_dec_ref(x_121);
+ x_202 = lean_box(0);
 }
-if (lean_is_scalar(x_201)) {
- x_202 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_202)) {
+ x_203 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_202 = x_201;
+ x_203 = x_202;
+}
+lean_ctor_set(x_203, 0, x_200);
+lean_ctor_set(x_203, 1, x_201);
+return x_203;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("'termination_by' modifier missing");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+if (lean_obj_tag(x_1) == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_14 = l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2;
+x_15 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+return x_15;
+}
+else
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_1);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+x_17 = lean_ctor_get(x_1, 0);
+if (lean_obj_tag(x_17) == 0)
+{
+lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+lean_dec(x_5);
+lean_dec(x_4);
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+lean_dec(x_17);
+lean_ctor_set(x_1, 0, x_2);
+x_19 = lean_box(0);
+x_20 = 1;
+x_21 = lean_box(x_20);
+x_22 = lean_box(x_20);
+x_23 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabTermEnsuringType___boxed), 12, 5);
+lean_closure_set(x_23, 0, x_18);
+lean_closure_set(x_23, 1, x_1);
+lean_closure_set(x_23, 2, x_21);
+lean_closure_set(x_23, 3, x_22);
+lean_closure_set(x_23, 4, x_19);
+x_24 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__1), 9, 2);
+lean_closure_set(x_24, 0, x_23);
+lean_closure_set(x_24, 1, x_19);
+x_25 = l_Lean_Elab_Term_withDeclName___rarg(x_3, x_24, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_25;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+lean_free_object(x_1);
+x_26 = lean_ctor_get(x_17, 0);
+lean_inc(x_26);
+lean_dec(x_17);
+x_27 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems(x_26);
+x_28 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__2___boxed), 12, 5);
+lean_closure_set(x_28, 0, x_27);
+lean_closure_set(x_28, 1, x_2);
+lean_closure_set(x_28, 2, x_4);
+lean_closure_set(x_28, 3, x_26);
+lean_closure_set(x_28, 4, x_5);
+x_29 = l_Lean_Elab_Term_withDeclName___rarg(x_3, x_28, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_29;
+}
+}
+else
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_1, 0);
+lean_inc(x_30);
+lean_dec(x_1);
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_dec(x_5);
+lean_dec(x_4);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+lean_dec(x_30);
+x_32 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_32, 0, x_2);
+x_33 = lean_box(0);
+x_34 = 1;
+x_35 = lean_box(x_34);
+x_36 = lean_box(x_34);
+x_37 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabTermEnsuringType___boxed), 12, 5);
+lean_closure_set(x_37, 0, x_31);
+lean_closure_set(x_37, 1, x_32);
+lean_closure_set(x_37, 2, x_35);
+lean_closure_set(x_37, 3, x_36);
+lean_closure_set(x_37, 4, x_33);
+x_38 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__1), 9, 2);
+lean_closure_set(x_38, 0, x_37);
+lean_closure_set(x_38, 1, x_33);
+x_39 = l_Lean_Elab_Term_withDeclName___rarg(x_3, x_38, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_39;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_40 = lean_ctor_get(x_30, 0);
+lean_inc(x_40);
+lean_dec(x_30);
+x_41 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems(x_40);
+x_42 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__2___boxed), 12, 5);
+lean_closure_set(x_42, 0, x_41);
+lean_closure_set(x_42, 1, x_2);
+lean_closure_set(x_42, 2, x_4);
+lean_closure_set(x_42, 3, x_40);
+lean_closure_set(x_42, 4, x_5);
+x_43 = l_Lean_Elab_Term_withDeclName___rarg(x_3, x_42, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_43;
 }
-lean_ctor_set(x_202, 0, x_199);
-lean_ctor_set(x_202, 1, x_200);
-return x_202;
 }
 }
 }
@@ -3111,204 +5036,150 @@ static lean_object* _init_l_Lean_Elab_WF_elabWFRel___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("'termination_by' modifier missing");
+x_1 = lean_mk_string("WellFoundedRelation");
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_WF_elabWFRel___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_WF_elabWFRel___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_WF_elabWFRel___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 static lean_object* _init_l_Lean_Elab_WF_elabWFRel___closed__3() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("WellFoundedRelation");
+x_1 = lean_mk_string("elabWFRel start: ");
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_WF_elabWFRel___closed__4() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_WF_elabWFRel___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_WF_elabWFRel___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel(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_Elab_WF_elabWFRel(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) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_11 = lean_ctor_get(x_2, 4);
+lean_object* x_13; 
 lean_inc(x_11);
-x_12 = l_Lean_Expr_bindingDomain_x21(x_11);
-lean_dec(x_11);
+lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_12);
-x_13 = l_Lean_Meta_getLevel(x_12, x_6, x_7, x_8, x_9, x_10);
+lean_inc(x_4);
+x_13 = l_Lean_Meta_getLevel(x_4, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_12);
-lean_dec(x_2);
-lean_dec(x_1);
-x_14 = lean_ctor_get(x_13, 1);
+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; uint8_t x_22; lean_object* x_23; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+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_15 = l_Lean_Elab_WF_elabWFRel___closed__2;
-x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInst___spec__1(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-return x_16;
-}
-else
+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);
+x_18 = l_Lean_Elab_WF_elabWFRel___closed__2;
+x_19 = l_Lean_mkConst(x_18, x_17);
+x_20 = l_Lean_mkApp(x_19, x_4);
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6;
+x_42 = lean_st_ref_get(x_11, x_15);
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_43, 3);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_ctor_get_uint8(x_44, sizeof(void*)*1);
+lean_dec(x_44);
+if (x_45 == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = lean_ctor_get(x_13, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_13, 1);
-lean_inc(x_18);
-lean_dec(x_13);
-x_19 = !lean_is_exclusive(x_3);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_20 = lean_ctor_get(x_3, 0);
-x_21 = lean_box(0);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_17);
-lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_Elab_WF_elabWFRel___closed__4;
-x_24 = l_Lean_mkConst(x_23, x_22);
-x_25 = l_Lean_mkApp(x_24, x_12);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-lean_dec(x_1);
-x_26 = lean_ctor_get(x_20, 0);
-lean_inc(x_26);
-lean_dec(x_20);
-x_27 = lean_ctor_get(x_2, 3);
-lean_inc(x_27);
-lean_dec(x_2);
-lean_ctor_set(x_3, 0, x_25);
-x_28 = lean_box(0);
-x_29 = 1;
-x_30 = lean_box(x_29);
-x_31 = lean_box(x_29);
-x_32 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabTermEnsuringType___boxed), 12, 5);
-lean_closure_set(x_32, 0, x_26);
-lean_closure_set(x_32, 1, x_3);
-lean_closure_set(x_32, 2, x_30);
-lean_closure_set(x_32, 3, x_31);
-lean_closure_set(x_32, 4, x_28);
-x_33 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__1), 9, 2);
-lean_closure_set(x_33, 0, x_32);
-lean_closure_set(x_33, 1, x_28);
-x_34 = l_Lean_Elab_Term_withDeclName___rarg(x_27, x_33, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-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_free_object(x_3);
-x_35 = lean_ctor_get(x_20, 0);
-lean_inc(x_35);
-lean_dec(x_20);
-x_36 = lean_ctor_get(x_2, 3);
-lean_inc(x_36);
-lean_dec(x_2);
-x_37 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems(x_35);
-x_38 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__2___boxed), 11, 4);
-lean_closure_set(x_38, 0, x_37);
-lean_closure_set(x_38, 1, x_25);
-lean_closure_set(x_38, 2, x_1);
-lean_closure_set(x_38, 3, x_35);
-x_39 = l_Lean_Elab_Term_withDeclName___rarg(x_36, x_38, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-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_object* x_45; 
-x_40 = lean_ctor_get(x_3, 0);
-lean_inc(x_40);
-lean_dec(x_3);
-x_41 = lean_box(0);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_17);
-lean_ctor_set(x_42, 1, x_41);
-x_43 = l_Lean_Elab_WF_elabWFRel___closed__4;
-x_44 = l_Lean_mkConst(x_43, x_42);
-x_45 = l_Lean_mkApp(x_44, x_12);
-if (lean_obj_tag(x_40) == 0)
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-lean_dec(x_1);
-x_46 = lean_ctor_get(x_40, 0);
+lean_object* x_46; uint8_t x_47; 
+x_46 = lean_ctor_get(x_42, 1);
 lean_inc(x_46);
-lean_dec(x_40);
-x_47 = lean_ctor_get(x_2, 3);
-lean_inc(x_47);
-lean_dec(x_2);
-x_48 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_48, 0, x_45);
-x_49 = lean_box(0);
-x_50 = 1;
-x_51 = lean_box(x_50);
-x_52 = lean_box(x_50);
-x_53 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabTermEnsuringType___boxed), 12, 5);
-lean_closure_set(x_53, 0, x_46);
-lean_closure_set(x_53, 1, x_48);
-lean_closure_set(x_53, 2, x_51);
-lean_closure_set(x_53, 3, x_52);
-lean_closure_set(x_53, 4, x_49);
-x_54 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__1), 9, 2);
-lean_closure_set(x_54, 0, x_53);
-lean_closure_set(x_54, 1, x_49);
-x_55 = l_Lean_Elab_Term_withDeclName___rarg(x_47, x_54, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-return x_55;
+lean_dec(x_42);
+x_47 = 0;
+x_22 = x_47;
+x_23 = x_46;
+goto block_41;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_56 = lean_ctor_get(x_40, 0);
-lean_inc(x_56);
-lean_dec(x_40);
-x_57 = lean_ctor_get(x_2, 3);
-lean_inc(x_57);
-lean_dec(x_2);
-x_58 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems(x_56);
-x_59 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel___lambda__2___boxed), 11, 4);
-lean_closure_set(x_59, 0, x_58);
-lean_closure_set(x_59, 1, x_45);
-lean_closure_set(x_59, 2, x_1);
-lean_closure_set(x_59, 3, x_56);
-x_60 = l_Lean_Elab_Term_withDeclName___rarg(x_57, x_59, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-return x_60;
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
+x_48 = lean_ctor_get(x_42, 1);
+lean_inc(x_48);
+lean_dec(x_42);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_48);
+x_50 = lean_ctor_get(x_49, 0);
+lean_inc(x_50);
+x_51 = lean_ctor_get(x_49, 1);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = lean_unbox(x_50);
+lean_dec(x_50);
+x_22 = x_52;
+x_23 = x_51;
+goto block_41;
 }
+block_41:
+{
+if (x_22 == 0)
+{
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_box(0);
+x_25 = l_Lean_Elab_WF_elabWFRel___lambda__3(x_5, x_20, x_2, x_1, x_3, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+return x_25;
+}
+else
+{
+uint8_t 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; 
+x_26 = 0;
+x_27 = lean_box(0);
+lean_inc(x_8);
+x_28 = l_Lean_Meta_mkFreshTypeMVar(x_26, x_27, x_8, x_9, x_10, x_11, x_23);
+x_29 = lean_ctor_get(x_28, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_28, 1);
+lean_inc(x_30);
+lean_dec(x_28);
+x_31 = l_Lean_Expr_mvarId_x21(x_29);
+lean_dec(x_29);
+x_32 = lean_alloc_ctor(5, 1, 0);
+lean_ctor_set(x_32, 0, x_31);
+x_33 = l_Lean_Elab_WF_elabWFRel___closed__4;
+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___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14;
+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 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_36, x_6, x_7, x_8, x_9, x_10, x_11, x_30);
+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 = l_Lean_Elab_WF_elabWFRel___lambda__3(x_5, x_20, x_2, x_1, x_3, x_38, x_6, x_7, x_8, x_9, x_10, x_11, x_39);
+lean_dec(x_38);
+return x_40;
 }
 }
 }
 else
 {
-uint8_t x_61; 
-lean_dec(x_12);
+uint8_t x_53; 
+lean_dec(x_11);
+lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -3318,47 +5189,56 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_13);
-if (x_61 == 0)
+x_53 = !lean_is_exclusive(x_13);
+if (x_53 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_13, 0);
-x_63 = lean_ctor_get(x_13, 1);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_13, 0);
+x_55 = lean_ctor_get(x_13, 1);
+lean_inc(x_55);
+lean_inc(x_54);
 lean_dec(x_13);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+x_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;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-size_t x_12; size_t x_13; lean_object* x_14; 
-x_12 = lean_unbox_usize(x_2);
-lean_dec(x_2);
+size_t x_13; size_t x_14; lean_object* x_15; 
 x_13 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___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_1);
-return x_14;
+x_14 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_15 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel___spec__1(x_1, x_2, x_13, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_2);
+return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; 
-x_12 = l_Lean_Elab_WF_elabWFRel___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_object* x_13; 
+x_13 = l_Lean_Elab_WF_elabWFRel___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_1);
-return x_12;
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___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_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l_Lean_Elab_WF_elabWFRel___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_6);
+return x_14;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
@@ -3408,12 +5288,40 @@ l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___clo
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__4);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__5 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__5();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__5);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__2);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__4);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__5);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__6);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__7);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__8);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__9);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__10);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__12);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__13);
+l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__14);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__2 = _init_l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___lambda__2___closed__2();
@@ -3426,6 +5334,10 @@ l_Lean_Elab_WF_elabWFRel___lambda__2___closed__3 = _init_l_Lean_Elab_WF_elabWFRe
 lean_mark_persistent(l_Lean_Elab_WF_elabWFRel___lambda__2___closed__3);
 l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4 = _init_l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4();
 lean_mark_persistent(l_Lean_Elab_WF_elabWFRel___lambda__2___closed__4);
+l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1 = _init_l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1();
+lean_mark_persistent(l_Lean_Elab_WF_elabWFRel___lambda__3___closed__1);
+l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2 = _init_l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2();
+lean_mark_persistent(l_Lean_Elab_WF_elabWFRel___lambda__3___closed__2);
 l_Lean_Elab_WF_elabWFRel___closed__1 = _init_l_Lean_Elab_WF_elabWFRel___closed__1();
 lean_mark_persistent(l_Lean_Elab_WF_elabWFRel___closed__1);
 l_Lean_Elab_WF_elabWFRel___closed__2 = _init_l_Lean_Elab_WF_elabWFRel___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/ExprDefEq.c b/stage0/stdlib/Lean/Meta/ExprDefEq.c
index 7df8f94911..853ffd4ca3 100644
--- a/stage0/stdlib/Lean/Meta/ExprDefEq.c
+++ b/stage0/stdlib/Lean/Meta/ExprDefEq.c
@@ -86,6 +86,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkM
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__12;
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqRight___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__4;
+static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2;
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_Meta_CheckAssignment_checkMVar___spec__50(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___spec__4___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -108,7 +109,7 @@ lean_object* l_Lean_MetavarContext_getExprAssignment_x3f(lean_object*, lean_obje
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__37___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -123,6 +124,7 @@ lean_object* lean_is_expr_def_eq(lean_object*, lean_object*, lean_object*, lean_
 lean_object* l_Lean_addTrace_addTraceOptions(lean_object*);
 lean_object* l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween___closed__1;
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__2;
@@ -147,6 +149,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkM
 uint8_t l_Lean_Expr_isApp(lean_object*);
 uint8_t l_Lean_LocalContext_containsFVar(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldComparingHeadsDefEq(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_ExprDefEq_0__Lean_Meta_processConstApprox_go___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_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__6(lean_object*, lean_object*);
@@ -185,6 +188,7 @@ lean_object* l_Lean_Meta_unfoldDefinition_x3f(lean_object*, lean_object*, lean_o
 static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___spec__4___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_isDefEqNative(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___spec__6(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__8;
@@ -195,8 +199,10 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFV
 size_t lean_usize_shift_right(size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_etaEq___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___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___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___closed__2;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -232,7 +238,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfold___r
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__37(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__62___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__7;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__2;
 lean_object* lean_is_level_def_eq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__36(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -301,12 +307,13 @@ extern lean_object* l_Lean_Core_instMonadRefCoreM;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeft(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isCached___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(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_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__7;
 static size_t l_Std_PersistentHashMap_containsAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isCached___spec__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__7;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__15(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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_Lean_Meta_CheckAssignment_assignToConstFun___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_isExprDefEqAuxImpl___closed__1;
 lean_object* l_Lean_Expr_headBeta(lean_object*);
@@ -379,6 +386,7 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment
 uint8_t lean_is_matcher(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_run___closed__1;
 extern lean_object* l_Lean_Expr_instHashableExpr;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__2___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___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldReducibeDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t l_Lean_Expr_hash(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__36___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -495,6 +503,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkM
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__8;
 lean_object* l_EStateM_instMonadEStateM(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqBindingAux___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___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go(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_Meta_ParamInfo_isExplicit(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -572,6 +581,7 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__63___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_isProjectionFn___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldNonProjFnDefEq___spec__1___closed__1;
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignmentQuick_check_visit___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__2;
@@ -584,6 +594,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldNonP
 LEAN_EXPORT lean_object* l_Lean_Meta_mkAuxMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__30(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqApp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_contains___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isCached___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs_processOtherArgs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_CheckAssignmentQuick_check(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -619,6 +630,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFV
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Class_0__Lean_checkOutParam___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__4;
+lean_object* l_Array_ofSubarray___rarg(lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__28(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_throwCheckAssignmentFailure___rarg___closed__2;
@@ -643,7 +655,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkM
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 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_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14089_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14581_(lean_object*);
 lean_object* lean_expr_update_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_throwCheckAssignmentFailure___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -671,6 +683,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFV
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_isReducible___at___private_Lean_Meta_Basic_0__Lean_Meta_getDefInfoTemp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_HashSetImp_contains___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDepsAux___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux_process___spec__1___rarg(lean_object*, lean_object*);
@@ -684,6 +697,7 @@ LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_Meta_ExprDefEq_0__Le
 uint8_t l_Lean_Expr_isStringLit(lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__4;
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_array_pop(lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_mkAppRangeAux(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_addLetDeps___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*);
@@ -722,6 +736,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArg
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__55___boxed(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_ExprDefEq_0__Lean_Meta_isDefEqArgs___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 lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__27___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(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___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isDefEqNat(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -754,6 +769,7 @@ lean_object* lean_usize_to_nat(size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__31(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_instInhabitedPersistentArrayNode(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_isStructureLike(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isProp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -807,6 +823,7 @@ static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___c
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeft___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__20___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instMonadRef___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__22(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___spec__4___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -40807,124 +40824,162 @@ lean_dec(x_1);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(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_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(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; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_9 = l_Lean_Meta_getConfig(x_4, x_5, x_6, x_7, x_8);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
-lean_inc(x_11);
-lean_dec(x_9);
-x_12 = l_Lean_Expr_mvarId_x21(x_1);
-x_13 = l_Lean_Meta_getMVarDecl(x_12, x_4, x_5, x_6, x_7, x_11);
-if (lean_obj_tag(x_13) == 0)
+lean_object* x_9; lean_object* x_10; 
+x_9 = lean_array_get_size(x_2);
+x_10 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase___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:
 {
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_13, 1);
-x_17 = lean_ctor_get(x_15, 5);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_nat_dec_eq(x_17, x_2);
-lean_dec(x_17);
-if (x_18 == 0)
-{
-uint8_t x_19; 
-x_19 = lean_ctor_get_uint8(x_10, 3);
-lean_dec(x_10);
-if (x_19 == 0)
-{
-uint8_t x_20; lean_object* x_21; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
+lean_object* x_9; 
+x_9 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_eq(x_3, x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_6 = lean_array_uget(x_2, x_3);
+x_7 = lean_ctor_get(x_1, 1);
+lean_inc(x_7);
+x_8 = l_Lean_LocalContext_containsFVar(x_7, x_6);
+if (x_8 == 0)
+{
+size_t x_9; size_t x_10; 
+x_9 = 1;
+x_10 = lean_usize_add(x_3, x_9);
+x_3 = x_10;
+goto _start;
+}
+else
+{
+uint8_t x_12; 
 lean_dec(x_1);
-x_20 = 0;
-x_21 = lean_box(x_20);
-lean_ctor_set(x_13, 0, x_21);
+x_12 = 1;
+return x_12;
+}
+}
+else
+{
+uint8_t x_13; 
+lean_dec(x_1);
+x_13 = 0;
 return x_13;
 }
-else
-{
-lean_object* x_22; 
-lean_free_object(x_13);
-x_22 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16);
-return x_22;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_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, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+lean_dec(x_8);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_14 = l_Lean_Meta_checkAssignment(x_1, x_2, x_3, x_9, x_10, x_11, x_12, x_13);
+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)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_16);
+return x_17;
+}
 else
 {
-lean_object* x_23; 
-lean_free_object(x_13);
-lean_dec(x_10);
-x_23 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_14, 1);
+lean_inc(x_18);
+lean_dec(x_14);
+x_19 = lean_ctor_get(x_15, 0);
+lean_inc(x_19);
+lean_dec(x_15);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_2);
+x_20 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps(x_2, x_19, x_9, x_10, x_11, x_12, x_18);
+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)
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_22);
 return x_23;
 }
-}
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-x_24 = lean_ctor_get(x_13, 0);
-x_25 = lean_ctor_get(x_13, 1);
-lean_inc(x_25);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_24 = lean_ctor_get(x_20, 1);
 lean_inc(x_24);
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_24, 5);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = lean_nat_dec_eq(x_26, x_2);
-lean_dec(x_26);
-if (x_27 == 0)
-{
-uint8_t x_28; 
-x_28 = lean_ctor_get_uint8(x_10, 3);
-lean_dec(x_10);
+lean_dec(x_20);
+x_25 = lean_ctor_get(x_21, 0);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = lean_array_get_size(x_2);
+x_27 = lean_unsigned_to_nat(0u);
+x_28 = lean_nat_dec_lt(x_27, x_26);
 if (x_28 == 0)
 {
-uint8_t x_29; lean_object* x_30; lean_object* x_31; 
-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 = 0;
-x_30 = lean_box(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_25);
-return x_31;
-}
-else
+lean_object* x_29; 
+lean_dec(x_26);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_4);
+x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
+if (lean_obj_tag(x_29) == 0)
 {
-lean_object* x_32; 
-x_32 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_25);
-return x_32;
-}
-}
-else
+lean_object* x_30; uint8_t x_31; 
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_unbox(x_30);
+if (x_31 == 0)
 {
-lean_object* x_33; 
-lean_dec(x_10);
-x_33 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_25);
+lean_object* x_32; lean_object* x_33; 
+lean_dec(x_30);
+x_32 = lean_ctor_get(x_29, 1);
+lean_inc(x_32);
+lean_dec(x_29);
+x_33 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_32);
 return x_33;
 }
-}
-}
 else
 {
 uint8_t x_34; 
+lean_dec(x_12);
+lean_dec(x_11);
 lean_dec(x_10);
+lean_dec(x_9);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -40932,26 +40987,1322 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_34 = !lean_is_exclusive(x_13);
+x_34 = !lean_is_exclusive(x_29);
 if (x_34 == 0)
 {
-return x_13;
+lean_object* x_35; 
+x_35 = lean_ctor_get(x_29, 0);
+lean_dec(x_35);
+return x_29;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_13, 0);
-x_36 = lean_ctor_get(x_13, 1);
+lean_object* x_36; lean_object* x_37; 
+x_36 = lean_ctor_get(x_29, 1);
 lean_inc(x_36);
-lean_inc(x_35);
-lean_dec(x_13);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
+lean_dec(x_29);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_30);
 lean_ctor_set(x_37, 1, x_36);
 return x_37;
 }
 }
 }
+else
+{
+uint8_t x_38; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_38 = !lean_is_exclusive(x_29);
+if (x_38 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_39 = lean_ctor_get(x_29, 0);
+x_40 = lean_ctor_get(x_29, 1);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_29);
+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
+{
+uint8_t x_42; 
+x_42 = lean_nat_dec_le(x_26, x_26);
+if (x_42 == 0)
+{
+lean_object* x_43; 
+lean_dec(x_26);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_4);
+x_43 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
+if (lean_obj_tag(x_43) == 0)
+{
+lean_object* x_44; uint8_t x_45; 
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_unbox(x_44);
+if (x_45 == 0)
+{
+lean_object* x_46; lean_object* x_47; 
+lean_dec(x_44);
+x_46 = lean_ctor_get(x_43, 1);
+lean_inc(x_46);
+lean_dec(x_43);
+x_47 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_46);
+return x_47;
+}
+else
+{
+uint8_t x_48; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_48 = !lean_is_exclusive(x_43);
+if (x_48 == 0)
+{
+lean_object* x_49; 
+x_49 = lean_ctor_get(x_43, 0);
+lean_dec(x_49);
+return x_43;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; 
+x_50 = lean_ctor_get(x_43, 1);
+lean_inc(x_50);
+lean_dec(x_43);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_44);
+lean_ctor_set(x_51, 1, x_50);
+return x_51;
+}
+}
+}
+else
+{
+uint8_t x_52; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_52 = !lean_is_exclusive(x_43);
+if (x_52 == 0)
+{
+return x_43;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_43, 0);
+x_54 = lean_ctor_get(x_43, 1);
+lean_inc(x_54);
+lean_inc(x_53);
+lean_dec(x_43);
+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
+{
+size_t x_56; size_t x_57; uint8_t x_58; 
+x_56 = 0;
+x_57 = lean_usize_of_nat(x_26);
+lean_dec(x_26);
+lean_inc(x_7);
+x_58 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1(x_7, x_2, x_56, x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; 
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_4);
+x_59 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
+if (lean_obj_tag(x_59) == 0)
+{
+lean_object* x_60; uint8_t x_61; 
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+x_61 = lean_unbox(x_60);
+if (x_61 == 0)
+{
+lean_object* x_62; lean_object* x_63; 
+lean_dec(x_60);
+x_62 = lean_ctor_get(x_59, 1);
+lean_inc(x_62);
+lean_dec(x_59);
+x_63 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_62);
+return x_63;
+}
+else
+{
+uint8_t x_64; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_64 = !lean_is_exclusive(x_59);
+if (x_64 == 0)
+{
+lean_object* x_65; 
+x_65 = lean_ctor_get(x_59, 0);
+lean_dec(x_65);
+return x_59;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; 
+x_66 = lean_ctor_get(x_59, 1);
+lean_inc(x_66);
+lean_dec(x_59);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_60);
+lean_ctor_set(x_67, 1, x_66);
+return x_67;
+}
+}
+}
+else
+{
+uint8_t x_68; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_68 = !lean_is_exclusive(x_59);
+if (x_68 == 0)
+{
+return x_59;
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_59, 0);
+x_70 = lean_ctor_get(x_59, 1);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_dec(x_59);
+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_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_25);
+x_72 = l_Lean_Meta_isTypeCorrect(x_25, x_9, x_10, x_11, x_12, x_24);
+if (lean_obj_tag(x_72) == 0)
+{
+lean_object* x_73; uint8_t x_74; 
+x_73 = lean_ctor_get(x_72, 0);
+lean_inc(x_73);
+x_74 = lean_unbox(x_73);
+lean_dec(x_73);
+if (x_74 == 0)
+{
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_25);
+x_75 = lean_ctor_get(x_72, 1);
+lean_inc(x_75);
+lean_dec(x_72);
+x_76 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_75);
+return x_76;
+}
+else
+{
+lean_object* x_77; lean_object* x_78; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_4);
+x_78 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_77);
+if (lean_obj_tag(x_78) == 0)
+{
+lean_object* x_79; uint8_t x_80; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_unbox(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; lean_object* x_82; 
+lean_dec(x_79);
+x_81 = lean_ctor_get(x_78, 1);
+lean_inc(x_81);
+lean_dec(x_78);
+x_82 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(x_4, x_5, x_6, x_1, x_7, x_2, x_3, x_9, x_10, x_11, x_12, x_81);
+return x_82;
+}
+else
+{
+uint8_t x_83; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_83 = !lean_is_exclusive(x_78);
+if (x_83 == 0)
+{
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_78, 0);
+lean_dec(x_84);
+return x_78;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_78, 1);
+lean_inc(x_85);
+lean_dec(x_78);
+x_86 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_86, 0, x_79);
+lean_ctor_set(x_86, 1, x_85);
+return x_86;
+}
+}
+}
+else
+{
+uint8_t x_87; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_87 = !lean_is_exclusive(x_78);
+if (x_87 == 0)
+{
+return x_78;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_78, 0);
+x_89 = lean_ctor_get(x_78, 1);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_78);
+x_90 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_90, 0, x_88);
+lean_ctor_set(x_90, 1, x_89);
+return x_90;
+}
+}
+}
+}
+else
+{
+uint8_t x_91; 
+lean_dec(x_25);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_91 = !lean_is_exclusive(x_72);
+if (x_91 == 0)
+{
+return x_72;
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_92 = lean_ctor_get(x_72, 0);
+x_93 = lean_ctor_get(x_72, 1);
+lean_inc(x_93);
+lean_inc(x_92);
+lean_dec(x_72);
+x_94 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_94, 0, x_92);
+lean_ctor_set(x_94, 1, x_93);
+return x_94;
+}
+}
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_95; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_95 = !lean_is_exclusive(x_20);
+if (x_95 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; 
+x_96 = lean_ctor_get(x_20, 0);
+x_97 = lean_ctor_get(x_20, 1);
+lean_inc(x_97);
+lean_inc(x_96);
+lean_dec(x_20);
+x_98 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_98, 0, x_96);
+lean_ctor_set(x_98, 1, x_97);
+return x_98;
+}
+}
+}
+}
+else
+{
+uint8_t x_99; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+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_99 = !lean_is_exclusive(x_14);
+if (x_99 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+x_100 = lean_ctor_get(x_14, 0);
+x_101 = lean_ctor_get(x_14, 1);
+lean_inc(x_101);
+lean_inc(x_100);
+lean_dec(x_14);
+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;
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("processConstApprox.go ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_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, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_13 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__4;
+x_39 = lean_st_ref_get(x_11, x_12);
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_40, 3);
+lean_inc(x_41);
+lean_dec(x_40);
+x_42 = lean_ctor_get_uint8(x_41, sizeof(void*)*1);
+lean_dec(x_41);
+if (x_42 == 0)
+{
+lean_object* x_43; uint8_t x_44; 
+x_43 = lean_ctor_get(x_39, 1);
+lean_inc(x_43);
+lean_dec(x_39);
+x_44 = 0;
+x_14 = x_44;
+x_15 = x_43;
+goto block_38;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
+x_45 = lean_ctor_get(x_39, 1);
+lean_inc(x_45);
+lean_dec(x_39);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_13, x_8, x_9, x_10, x_11, x_45);
+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 = lean_unbox(x_47);
+lean_dec(x_47);
+x_14 = x_49;
+x_15 = x_48;
+goto block_38;
+}
+block_38:
+{
+if (x_14 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_box(0);
+x_17 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___lambda__1(x_4, x_6, x_7, x_1, x_2, x_3, x_5, x_16, x_8, x_9, x_10, x_11, x_15);
+return x_17;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 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_inc(x_1);
+x_18 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_18, 0, x_1);
+x_19 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2;
+x_20 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+x_21 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___closed__4;
+x_22 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+lean_inc(x_6);
+x_23 = lean_array_to_list(lean_box(0), x_6);
+x_24 = lean_box(0);
+x_25 = l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(x_23, x_24);
+x_26 = l_Lean_MessageData_ofList(x_25);
+lean_dec(x_25);
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_22);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__10;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+lean_inc(x_7);
+x_30 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_30, 0, x_7);
+x_31 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_33 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+x_34 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_13, x_33, x_8, x_9, x_10, x_11, x_15);
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___lambda__1(x_4, x_6, x_7, x_1, x_2, x_3, x_5, x_35, x_8, x_9, x_10, x_11, x_36);
+return x_37;
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___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___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont(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) {
+_start:
+{
+uint8_t x_13; 
+x_13 = l_Array_isEmpty___rarg(x_6);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = l_Lean_instInhabitedExpr;
+x_15 = l_Array_back___rarg(x_14, x_6);
+x_16 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___closed__1;
+x_17 = lean_array_push(x_16, x_15);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_18 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps(x_17, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_3, x_8, x_9, x_10, x_11, x_20);
+lean_dec(x_2);
+return x_21;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+x_23 = lean_ctor_get(x_19, 0);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_array_pop(x_6);
+x_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go(x_1, x_2, x_3, x_4, x_5, x_24, x_23, x_8, x_9, x_10, x_11, x_22);
+return x_25;
+}
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+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_26 = !lean_is_exclusive(x_18);
+if (x_26 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_18, 0);
+x_28 = lean_ctor_get(x_18, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_18);
+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;
+}
+}
+}
+else
+{
+lean_object* x_30; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_30 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_3, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_2);
+return x_30;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_7 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1(x_1, x_2, x_5, x_6);
+lean_dec(x_2);
+x_8 = lean_box(x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; uint8_t x_16; 
+x_15 = lean_array_get_size(x_8);
+x_16 = lean_nat_dec_eq(x_15, x_1);
+lean_dec(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_17 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_2, x_3, x_4, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_3);
+return x_17;
+}
+else
+{
+lean_object* x_18; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_4);
+x_18 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps(x_8, x_4, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_2, x_3, x_4, x_10, x_11, x_12, x_13, x_20);
+lean_dec(x_3);
+return x_21;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+x_23 = lean_ctor_get(x_19, 0);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go(x_2, x_3, x_4, x_5, x_6, x_7, x_23, x_10, x_11, x_12, x_13, x_22);
+return x_24;
+}
+}
+else
+{
+uint8_t x_25; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+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_25 = !lean_is_exclusive(x_18);
+if (x_25 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_18, 0);
+x_27 = lean_ctor_get(x_18, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_18);
+x_28 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = l_Lean_Meta_getConfig(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 = l_Lean_Expr_mvarId_x21(x_1);
+lean_inc(x_14);
+x_15 = l_Lean_Meta_getMVarDecl(x_14, x_6, x_7, x_8, x_9, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_38; uint8_t x_39; 
+x_17 = lean_ctor_get(x_15, 0);
+x_18 = lean_ctor_get(x_15, 1);
+x_19 = lean_array_get_size(x_2);
+x_38 = lean_ctor_get(x_17, 5);
+lean_inc(x_38);
+x_39 = lean_nat_dec_eq(x_38, x_19);
+lean_dec(x_38);
+if (x_39 == 0)
+{
+uint8_t x_40; 
+x_40 = lean_ctor_get_uint8(x_12, 3);
+lean_dec(x_12);
+if (x_40 == 0)
+{
+uint8_t x_41; lean_object* x_42; 
+lean_dec(x_19);
+lean_dec(x_17);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = 0;
+x_42 = lean_box(x_41);
+lean_ctor_set(x_15, 0, x_42);
+return x_15;
+}
+else
+{
+lean_object* x_43; uint8_t x_44; 
+lean_free_object(x_15);
+x_43 = lean_unsigned_to_nat(0u);
+x_44 = lean_nat_dec_eq(x_3, x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; 
+x_45 = lean_box(0);
+x_20 = x_45;
+goto block_37;
+}
+else
+{
+lean_object* x_46; 
+lean_dec(x_19);
+lean_dec(x_17);
+lean_dec(x_14);
+lean_dec(x_3);
+x_46 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_4, x_6, x_7, x_8, x_9, x_18);
+lean_dec(x_2);
+return x_46;
+}
+}
+}
+else
+{
+lean_object* x_47; uint8_t x_48; 
+lean_free_object(x_15);
+lean_dec(x_12);
+x_47 = lean_unsigned_to_nat(0u);
+x_48 = lean_nat_dec_eq(x_3, x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; 
+x_49 = lean_box(0);
+x_20 = x_49;
+goto block_37;
+}
+else
+{
+lean_object* x_50; 
+lean_dec(x_19);
+lean_dec(x_17);
+lean_dec(x_14);
+lean_dec(x_3);
+x_50 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_4, x_6, x_7, x_8, x_9, x_18);
+lean_dec(x_2);
+return x_50;
+}
+}
+block_37:
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+lean_dec(x_20);
+x_21 = lean_unsigned_to_nat(0u);
+lean_inc(x_2);
+x_22 = l_Array_toSubarray___rarg(x_2, x_21, x_3);
+x_23 = l_Array_ofSubarray___rarg(x_22);
+x_24 = lean_ctor_get(x_17, 2);
+lean_inc(x_24);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_25 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_23, x_21, x_24, x_6, x_7, x_8, x_9, x_18);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+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_array_get_size(x_23);
+x_29 = lean_nat_sub(x_19, x_28);
+lean_dec(x_28);
+lean_dec(x_19);
+lean_inc(x_29);
+x_30 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_30, 0, x_29);
+x_31 = lean_alloc_closure((void*)(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__1___boxed), 14, 7);
+lean_closure_set(x_31, 0, x_29);
+lean_closure_set(x_31, 1, x_1);
+lean_closure_set(x_31, 2, x_2);
+lean_closure_set(x_31, 3, x_4);
+lean_closure_set(x_31, 4, x_14);
+lean_closure_set(x_31, 5, x_17);
+lean_closure_set(x_31, 6, x_23);
+x_32 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__2___rarg(x_26, x_30, x_31, x_6, x_7, x_8, x_9, x_27);
+return x_32;
+}
+else
+{
+uint8_t x_33; 
+lean_dec(x_23);
+lean_dec(x_19);
+lean_dec(x_17);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_33 = !lean_is_exclusive(x_25);
+if (x_33 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_25, 0);
+x_35 = lean_ctor_get(x_25, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_25);
+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_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_72; uint8_t x_73; 
+x_51 = lean_ctor_get(x_15, 0);
+x_52 = lean_ctor_get(x_15, 1);
+lean_inc(x_52);
+lean_inc(x_51);
+lean_dec(x_15);
+x_53 = lean_array_get_size(x_2);
+x_72 = lean_ctor_get(x_51, 5);
+lean_inc(x_72);
+x_73 = lean_nat_dec_eq(x_72, x_53);
+lean_dec(x_72);
+if (x_73 == 0)
+{
+uint8_t x_74; 
+x_74 = lean_ctor_get_uint8(x_12, 3);
+lean_dec(x_12);
+if (x_74 == 0)
+{
+uint8_t x_75; lean_object* x_76; lean_object* x_77; 
+lean_dec(x_53);
+lean_dec(x_51);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_75 = 0;
+x_76 = lean_box(x_75);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_52);
+return x_77;
+}
+else
+{
+lean_object* x_78; uint8_t x_79; 
+x_78 = lean_unsigned_to_nat(0u);
+x_79 = lean_nat_dec_eq(x_3, x_78);
+if (x_79 == 0)
+{
+lean_object* x_80; 
+x_80 = lean_box(0);
+x_54 = x_80;
+goto block_71;
+}
+else
+{
+lean_object* x_81; 
+lean_dec(x_53);
+lean_dec(x_51);
+lean_dec(x_14);
+lean_dec(x_3);
+x_81 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_4, x_6, x_7, x_8, x_9, x_52);
+lean_dec(x_2);
+return x_81;
+}
+}
+}
+else
+{
+lean_object* x_82; uint8_t x_83; 
+lean_dec(x_12);
+x_82 = lean_unsigned_to_nat(0u);
+x_83 = lean_nat_dec_eq(x_3, x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; 
+x_84 = lean_box(0);
+x_54 = x_84;
+goto block_71;
+}
+else
+{
+lean_object* x_85; 
+lean_dec(x_53);
+lean_dec(x_51);
+lean_dec(x_14);
+lean_dec(x_3);
+x_85 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase(x_1, x_2, x_4, x_6, x_7, x_8, x_9, x_52);
+lean_dec(x_2);
+return x_85;
+}
+}
+block_71:
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+lean_dec(x_54);
+x_55 = lean_unsigned_to_nat(0u);
+lean_inc(x_2);
+x_56 = l_Array_toSubarray___rarg(x_2, x_55, x_3);
+x_57 = l_Array_ofSubarray___rarg(x_56);
+x_58 = lean_ctor_get(x_51, 2);
+lean_inc(x_58);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_59 = l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(x_57, x_55, x_58, x_6, x_7, x_8, x_9, x_52);
+if (lean_obj_tag(x_59) == 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; lean_object* 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_array_get_size(x_57);
+x_63 = lean_nat_sub(x_53, x_62);
+lean_dec(x_62);
+lean_dec(x_53);
+lean_inc(x_63);
+x_64 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_64, 0, x_63);
+x_65 = lean_alloc_closure((void*)(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__1___boxed), 14, 7);
+lean_closure_set(x_65, 0, x_63);
+lean_closure_set(x_65, 1, x_1);
+lean_closure_set(x_65, 2, x_2);
+lean_closure_set(x_65, 3, x_4);
+lean_closure_set(x_65, 4, x_14);
+lean_closure_set(x_65, 5, x_51);
+lean_closure_set(x_65, 6, x_57);
+x_66 = l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__2___rarg(x_60, x_64, x_65, x_6, x_7, x_8, x_9, x_61);
+return x_66;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+lean_dec(x_57);
+lean_dec(x_53);
+lean_dec(x_51);
+lean_dec(x_14);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_67 = lean_ctor_get(x_59, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_59, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_59)) {
+ lean_ctor_release(x_59, 0);
+ lean_ctor_release(x_59, 1);
+ x_69 = x_59;
+} else {
+ lean_dec_ref(x_59);
+ x_69 = lean_box(0);
+}
+if (lean_is_scalar(x_69)) {
+ x_70 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_70 = x_69;
+}
+lean_ctor_set(x_70, 0, x_67);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
+}
+}
+}
+}
+else
+{
+uint8_t x_86; 
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_86 = !lean_is_exclusive(x_15);
+if (x_86 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_87 = lean_ctor_get(x_15, 0);
+x_88 = lean_ctor_get(x_15, 1);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_dec(x_15);
+x_89 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+return x_89;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(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; uint8_t x_11; lean_object* x_12; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_10 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__2;
+x_35 = lean_st_ref_get(x_8, x_9);
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_36, 3);
+lean_inc(x_37);
+lean_dec(x_36);
+x_38 = lean_ctor_get_uint8(x_37, sizeof(void*)*1);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_35, 1);
+lean_inc(x_39);
+lean_dec(x_35);
+x_40 = 0;
+x_11 = x_40;
+x_12 = x_39;
+goto block_34;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+x_41 = lean_ctor_get(x_35, 1);
+lean_inc(x_41);
+lean_dec(x_35);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_10, x_5, x_6, x_7, x_8, x_41);
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
+lean_dec(x_42);
+x_45 = lean_unbox(x_43);
+lean_dec(x_43);
+x_11 = x_45;
+x_12 = x_44;
+goto block_34;
+}
+block_34:
+{
+if (x_11 == 0)
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_box(0);
+x_14 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__2(x_1, x_2, x_3, x_4, x_13, x_5, x_6, x_7, x_8, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 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_inc(x_1);
+x_15 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_15, 0, x_1);
+x_16 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_17 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___closed__4;
+x_19 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_18);
+lean_inc(x_2);
+x_20 = lean_array_to_list(lean_box(0), x_2);
+x_21 = lean_box(0);
+x_22 = l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(x_20, x_21);
+x_23 = l_Lean_MessageData_ofList(x_22);
+lean_dec(x_22);
+x_24 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_24, 0, x_19);
+lean_ctor_set(x_24, 1, x_23);
+x_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__10;
+x_26 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+lean_inc(x_4);
+x_27 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_27, 0, x_4);
+x_28 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_16);
+x_30 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_10, x_29, x_5, x_6, x_7, x_8, x_12);
+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 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__2(x_1, x_2, x_3, x_4, x_31, x_5, x_6, x_7, x_8, x_32);
+lean_dec(x_31);
+return x_33;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_9);
+lean_dec(x_1);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___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, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_5);
+return x_11;
+}
 }
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___spec__1(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
@@ -41032,421 +42383,427 @@ x_1 = lean_mk_string("typeError");
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_14; 
+lean_object* x_15; 
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
 lean_inc(x_1);
-x_14 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps(x_1, x_2, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
+x_15 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps(x_1, x_2, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_15) == 0)
 {
-uint8_t x_16; 
+lean_object* x_16; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+if (lean_obj_tag(x_16) == 0)
+{
+uint8_t x_17; 
+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_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_1);
-x_16 = !lean_is_exclusive(x_14);
-if (x_16 == 0)
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
 {
-lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_14, 0);
-lean_dec(x_17);
-x_18 = 0;
-x_19 = lean_box(x_18);
-lean_ctor_set(x_14, 0, x_19);
-return x_14;
+lean_object* x_18; uint8_t x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_15, 0);
+lean_dec(x_18);
+x_19 = 0;
+x_20 = lean_box(x_19);
+lean_ctor_set(x_15, 0, x_20);
+return x_15;
 }
 else
 {
-lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_14, 1);
-lean_inc(x_20);
-lean_dec(x_14);
-x_21 = 0;
-x_22 = lean_box(x_21);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_20);
-return x_23;
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
+x_21 = lean_ctor_get(x_15, 1);
+lean_inc(x_21);
+lean_dec(x_15);
+x_22 = 0;
+x_23 = lean_box(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;
 }
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-x_24 = lean_ctor_get(x_14, 1);
-lean_inc(x_24);
-lean_dec(x_14);
-x_25 = lean_ctor_get(x_15, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_25 = lean_ctor_get(x_15, 1);
 lean_inc(x_25);
 lean_dec(x_15);
-x_26 = lean_unsigned_to_nat(0u);
-x_27 = lean_nat_dec_lt(x_26, x_3);
-if (x_27 == 0)
+x_26 = lean_ctor_get(x_16, 0);
+lean_inc(x_26);
+lean_dec(x_16);
+x_27 = lean_unsigned_to_nat(0u);
+x_28 = lean_nat_dec_lt(x_27, x_3);
+if (x_28 == 0)
 {
-lean_object* x_28; 
+lean_object* x_29; 
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_3);
 lean_dec(x_1);
-x_28 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
-return x_28;
+x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_26, x_10, x_11, x_12, x_13, x_25);
+return x_29;
 }
 else
 {
-uint8_t x_29; 
-x_29 = lean_nat_dec_le(x_3, x_3);
-if (x_29 == 0)
+uint8_t x_30; 
+x_30 = lean_nat_dec_le(x_3, x_3);
+if (x_30 == 0)
 {
-lean_object* x_30; 
+lean_object* x_31; 
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_3);
 lean_dec(x_1);
-x_30 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
-return x_30;
+x_31 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_26, x_10, x_11, x_12, x_13, x_25);
+return x_31;
 }
 else
 {
-size_t x_31; size_t x_32; uint8_t x_33; 
-x_31 = 0;
-x_32 = lean_usize_of_nat(x_3);
-x_33 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___spec__1(x_5, x_1, x_31, x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_1);
-x_34 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_24);
-return x_34;
-}
-else
+size_t x_32; size_t x_33; uint8_t x_34; 
+x_32 = 0;
+x_33 = lean_usize_of_nat(x_3);
+x_34 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___spec__1(x_5, x_1, x_32, x_33);
+if (x_34 == 0)
 {
 lean_object* x_35; 
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_25);
-x_35 = l_Lean_Meta_isTypeCorrect(x_25, x_9, x_10, x_11, x_12, x_24);
-if (lean_obj_tag(x_35) == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_unbox(x_36);
-lean_dec(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
-x_38 = lean_ctor_get(x_35, 1);
-lean_inc(x_38);
-lean_dec(x_35);
-x_39 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1;
-x_40 = lean_name_mk_string(x_6, x_39);
-x_80 = lean_st_ref_get(x_12, x_38);
-x_81 = lean_ctor_get(x_80, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_81, 3);
-lean_inc(x_82);
-lean_dec(x_81);
-x_83 = lean_ctor_get_uint8(x_82, sizeof(void*)*1);
-lean_dec(x_82);
-if (x_83 == 0)
-{
-lean_object* x_84; uint8_t x_85; 
-x_84 = lean_ctor_get(x_80, 1);
-lean_inc(x_84);
-lean_dec(x_80);
-x_85 = 0;
-x_41 = x_85;
-x_42 = x_84;
-goto block_79;
-}
-else
-{
-lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_86 = lean_ctor_get(x_80, 1);
-lean_inc(x_86);
-lean_dec(x_80);
-lean_inc(x_40);
-x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_40, x_9, x_10, x_11, x_12, x_86);
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
-x_90 = lean_unbox(x_88);
-lean_dec(x_88);
-x_41 = x_90;
-x_42 = x_89;
-goto block_79;
-}
-block_79:
-{
-if (x_41 == 0)
-{
-lean_object* x_43; 
-lean_dec(x_40);
-lean_dec(x_25);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_7);
-lean_inc(x_4);
-x_43 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_4, x_1, x_7, x_9, x_10, x_11, x_12, x_42);
-if (lean_obj_tag(x_43) == 0)
-{
-lean_object* x_44; uint8_t x_45; 
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_unbox(x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; 
-lean_dec(x_44);
-x_46 = lean_ctor_get(x_43, 1);
-lean_inc(x_46);
-lean_dec(x_43);
-x_47 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_4, x_3, x_7, x_9, x_10, x_11, x_12, x_46);
-return x_47;
-}
-else
-{
-uint8_t x_48; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-x_48 = !lean_is_exclusive(x_43);
-if (x_48 == 0)
-{
-lean_object* x_49; 
-x_49 = lean_ctor_get(x_43, 0);
-lean_dec(x_49);
-return x_43;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = lean_ctor_get(x_43, 1);
-lean_inc(x_50);
-lean_dec(x_43);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_44);
-lean_ctor_set(x_51, 1, x_50);
-return x_51;
-}
-}
-}
-else
-{
-uint8_t x_52; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-x_52 = !lean_is_exclusive(x_43);
-if (x_52 == 0)
-{
-return x_43;
-}
-else
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_43, 0);
-x_54 = lean_ctor_get(x_43, 1);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_dec(x_43);
-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
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-lean_inc(x_4);
-x_56 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_56, 0, x_4);
-x_57 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_58 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_56);
-x_59 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__10;
-x_60 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-x_61 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_61, 0, x_25);
-x_62 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-x_63 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-x_64 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_40, x_63, x_9, x_10, x_11, x_12, x_42);
-x_65 = lean_ctor_get(x_64, 1);
-lean_inc(x_65);
-lean_dec(x_64);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_7);
-lean_inc(x_4);
-x_66 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_4, x_1, x_7, x_9, x_10, x_11, x_12, x_65);
-if (lean_obj_tag(x_66) == 0)
-{
-lean_object* x_67; uint8_t x_68; 
-x_67 = lean_ctor_get(x_66, 0);
-lean_inc(x_67);
-x_68 = lean_unbox(x_67);
-if (x_68 == 0)
-{
-lean_object* x_69; lean_object* x_70; 
-lean_dec(x_67);
-x_69 = lean_ctor_get(x_66, 1);
-lean_inc(x_69);
-lean_dec(x_66);
-x_70 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_4, x_3, x_7, x_9, x_10, x_11, x_12, x_69);
-return x_70;
-}
-else
-{
-uint8_t x_71; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-x_71 = !lean_is_exclusive(x_66);
-if (x_71 == 0)
-{
-lean_object* x_72; 
-x_72 = lean_ctor_get(x_66, 0);
-lean_dec(x_72);
-return x_66;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; 
-x_73 = lean_ctor_get(x_66, 1);
-lean_inc(x_73);
-lean_dec(x_66);
-x_74 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_74, 0, x_67);
-lean_ctor_set(x_74, 1, x_73);
-return x_74;
-}
-}
-}
-else
-{
-uint8_t x_75; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-x_75 = !lean_is_exclusive(x_66);
-if (x_75 == 0)
-{
-return x_66;
-}
-else
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_76 = lean_ctor_get(x_66, 0);
-x_77 = lean_ctor_get(x_66, 1);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_dec(x_66);
-x_78 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_91; lean_object* x_92; 
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_3);
 lean_dec(x_1);
-x_91 = lean_ctor_get(x_35, 1);
-lean_inc(x_91);
-lean_dec(x_35);
-x_92 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_25, x_9, x_10, x_11, x_12, x_91);
-return x_92;
-}
-}
-else
-{
-uint8_t x_93; 
-lean_dec(x_25);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_93 = !lean_is_exclusive(x_35);
-if (x_93 == 0)
-{
+x_35 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_26, x_10, x_11, x_12, x_13, x_25);
 return x_35;
 }
 else
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_35, 0);
-x_95 = lean_ctor_get(x_35, 1);
+lean_object* x_36; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_26);
+x_36 = l_Lean_Meta_isTypeCorrect(x_26, x_10, x_11, x_12, x_13, x_25);
+if (lean_obj_tag(x_36) == 0)
+{
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_39 = lean_ctor_get(x_36, 1);
+lean_inc(x_39);
+lean_dec(x_36);
+x_40 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1;
+x_41 = lean_name_mk_string(x_6, x_40);
+x_81 = lean_st_ref_get(x_13, x_39);
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_82, 3);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_ctor_get_uint8(x_83, sizeof(void*)*1);
+lean_dec(x_83);
+if (x_84 == 0)
+{
+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 = 0;
+x_42 = x_86;
+x_43 = x_85;
+goto block_80;
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
+x_87 = lean_ctor_get(x_81, 1);
+lean_inc(x_87);
+lean_dec(x_81);
+lean_inc(x_41);
+x_88 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_41, x_10, x_11, x_12, x_13, x_87);
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+lean_dec(x_88);
+x_91 = lean_unbox(x_89);
+lean_dec(x_89);
+x_42 = x_91;
+x_43 = x_90;
+goto block_80;
+}
+block_80:
+{
+if (x_42 == 0)
+{
+lean_object* x_44; 
+lean_dec(x_41);
+lean_dec(x_26);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_7);
+lean_inc(x_1);
+lean_inc(x_4);
+x_44 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_4, x_1, x_7, x_10, x_11, x_12, x_13, x_43);
+if (lean_obj_tag(x_44) == 0)
+{
+lean_object* x_45; uint8_t x_46; 
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_unbox(x_45);
+if (x_46 == 0)
+{
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_45);
+x_47 = lean_ctor_get(x_44, 1);
+lean_inc(x_47);
+lean_dec(x_44);
+x_48 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_4, x_1, x_8, x_7, x_10, x_11, x_12, x_13, x_47);
+return x_48;
+}
+else
+{
+uint8_t x_49; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_1);
+x_49 = !lean_is_exclusive(x_44);
+if (x_49 == 0)
+{
+lean_object* x_50; 
+x_50 = lean_ctor_get(x_44, 0);
+lean_dec(x_50);
+return x_44;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_ctor_get(x_44, 1);
+lean_inc(x_51);
+lean_dec(x_44);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_45);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
+}
+}
+else
+{
+uint8_t x_53; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_1);
+x_53 = !lean_is_exclusive(x_44);
+if (x_53 == 0)
+{
+return x_44;
+}
+else
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_44, 0);
+x_55 = lean_ctor_get(x_44, 1);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_44);
+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
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+lean_inc(x_4);
+x_57 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_57, 0, x_4);
+x_58 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_59 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_59, 0, x_58);
+lean_ctor_set(x_59, 1, x_57);
+x_60 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__10;
+x_61 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+x_62 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_62, 0, x_26);
+x_63 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_63, 0, x_61);
+lean_ctor_set(x_63, 1, x_62);
+x_64 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_58);
+x_65 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_41, x_64, x_10, x_11, x_12, x_13, x_43);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_7);
+lean_inc(x_1);
+lean_inc(x_4);
+x_67 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_4, x_1, x_7, x_10, x_11, x_12, x_13, x_66);
+if (lean_obj_tag(x_67) == 0)
+{
+lean_object* x_68; uint8_t x_69; 
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_unbox(x_68);
+if (x_69 == 0)
+{
+lean_object* x_70; lean_object* x_71; 
+lean_dec(x_68);
+x_70 = lean_ctor_get(x_67, 1);
+lean_inc(x_70);
+lean_dec(x_67);
+x_71 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_4, x_1, x_8, x_7, x_10, x_11, x_12, x_13, x_70);
+return x_71;
+}
+else
+{
+uint8_t x_72; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_1);
+x_72 = !lean_is_exclusive(x_67);
+if (x_72 == 0)
+{
+lean_object* x_73; 
+x_73 = lean_ctor_get(x_67, 0);
+lean_dec(x_73);
+return x_67;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; 
+x_74 = lean_ctor_get(x_67, 1);
+lean_inc(x_74);
+lean_dec(x_67);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_68);
+lean_ctor_set(x_75, 1, x_74);
+return x_75;
+}
+}
+}
+else
+{
+uint8_t x_76; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_1);
+x_76 = !lean_is_exclusive(x_67);
+if (x_76 == 0)
+{
+return x_67;
+}
+else
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_77 = lean_ctor_get(x_67, 0);
+x_78 = lean_ctor_get(x_67, 1);
+lean_inc(x_78);
+lean_inc(x_77);
+lean_dec(x_67);
+x_79 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_79, 0, x_77);
+lean_ctor_set(x_79, 1, x_78);
+return x_79;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_92; lean_object* x_93; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_1);
+x_92 = lean_ctor_get(x_36, 1);
+lean_inc(x_92);
+lean_dec(x_36);
+x_93 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign(x_4, x_26, x_10, x_11, x_12, x_13, x_92);
+return x_93;
+}
+}
+else
+{
+uint8_t x_94; 
+lean_dec(x_26);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_1);
+x_94 = !lean_is_exclusive(x_36);
+if (x_94 == 0)
+{
+return x_36;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_36, 0);
+x_96 = lean_ctor_get(x_36, 1);
+lean_inc(x_96);
 lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_35);
-x_96 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_96, 0, x_94);
-lean_ctor_set(x_96, 1, x_95);
-return x_96;
+lean_dec(x_36);
+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;
 }
 }
 }
@@ -41456,34 +42813,34 @@ return x_96;
 }
 else
 {
-uint8_t x_97; 
+uint8_t x_98; 
+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_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_1);
-x_97 = !lean_is_exclusive(x_14);
-if (x_97 == 0)
+x_98 = !lean_is_exclusive(x_15);
+if (x_98 == 0)
 {
-return x_14;
+return x_15;
 }
 else
 {
-lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_98 = lean_ctor_get(x_14, 0);
-x_99 = lean_ctor_get(x_14, 1);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_15, 0);
+x_100 = lean_ctor_get(x_15, 1);
+lean_inc(x_100);
 lean_inc(x_99);
-lean_inc(x_98);
-lean_dec(x_14);
-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;
+lean_dec(x_15);
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
 }
 }
 }
@@ -41522,7 +42879,6 @@ if (x_15 == 0)
 {
 lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 lean_dec(x_12);
-lean_dec(x_3);
 lean_inc(x_7);
 lean_inc(x_5);
 x_16 = l_Lean_Meta_instantiateMVars(x_5, x_6, x_7, x_8, x_9, x_13);
@@ -41552,6 +42908,7 @@ lean_inc(x_23);
 if (lean_obj_tag(x_23) == 0)
 {
 lean_object* x_24; lean_object* x_25; 
+lean_dec(x_14);
 lean_dec(x_2);
 x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
@@ -41561,6 +42918,7 @@ 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_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_24);
 if (lean_obj_tag(x_25) == 0)
@@ -41576,18 +42934,19 @@ lean_dec(x_26);
 x_28 = lean_ctor_get(x_25, 1);
 lean_inc(x_28);
 lean_dec(x_25);
-x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_14, x_5, x_6, x_7, x_8, x_9, x_28);
+x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_4, x_3, x_5, x_6, x_7, x_8, x_9, x_28);
 return x_29;
 }
 else
 {
 uint8_t x_30; 
-lean_dec(x_14);
 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_1);
 x_30 = !lean_is_exclusive(x_25);
 if (x_30 == 0)
@@ -41613,12 +42972,13 @@ return x_33;
 else
 {
 uint8_t x_34; 
-lean_dec(x_14);
 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_1);
 x_34 = !lean_is_exclusive(x_25);
 if (x_34 == 0)
@@ -41694,7 +43054,8 @@ if (x_41 == 0)
 lean_object* x_43; lean_object* x_44; lean_object* x_45; 
 x_43 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__2;
 x_44 = lean_box(0);
-x_45 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_4, x_39, x_14, x_1, x_2, x_43, x_5, x_44, x_6, x_7, x_8, x_9, x_42);
+x_45 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_4, x_39, x_14, x_1, x_2, x_43, x_5, x_3, x_44, x_6, x_7, x_8, x_9, x_42);
+lean_dec(x_14);
 return x_45;
 }
 else
@@ -41740,8 +43101,9 @@ x_63 = lean_ctor_get(x_61, 1);
 lean_inc(x_63);
 lean_dec(x_61);
 x_64 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__2;
-x_65 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_4, x_39, x_14, x_1, x_2, x_64, x_5, x_62, x_6, x_7, x_8, x_9, x_63);
+x_65 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_4, x_39, x_14, x_1, x_2, x_64, x_5, x_3, x_62, x_6, x_7, x_8, x_9, x_63);
 lean_dec(x_62);
+lean_dec(x_14);
 return x_65;
 }
 }
@@ -41757,6 +43119,7 @@ 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_78 = !lean_is_exclusive(x_22);
@@ -41783,12 +43146,14 @@ else
 {
 lean_object* x_82; 
 lean_dec(x_17);
+lean_dec(x_14);
 lean_dec(x_2);
 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_82 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
 if (lean_obj_tag(x_82) == 0)
@@ -41804,18 +43169,19 @@ lean_dec(x_83);
 x_85 = lean_ctor_get(x_82, 1);
 lean_inc(x_85);
 lean_dec(x_82);
-x_86 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_14, x_5, x_6, x_7, x_8, x_9, x_85);
+x_86 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_4, x_3, x_5, x_6, x_7, x_8, x_9, x_85);
 return x_86;
 }
 else
 {
 uint8_t x_87; 
-lean_dec(x_14);
 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_1);
 x_87 = !lean_is_exclusive(x_82);
 if (x_87 == 0)
@@ -41841,12 +43207,13 @@ return x_90;
 else
 {
 uint8_t x_91; 
-lean_dec(x_14);
 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_1);
 x_91 = !lean_is_exclusive(x_82);
 if (x_91 == 0)
@@ -41891,72 +43258,71 @@ lean_inc(x_97);
 x_99 = lean_array_fset(x_4, x_3, x_97);
 if (lean_obj_tag(x_97) == 1)
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; 
+lean_object* x_100; lean_object* x_101; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; 
 x_100 = lean_ctor_get(x_97, 0);
 lean_inc(x_100);
-x_126 = lean_unsigned_to_nat(0u);
+x_125 = lean_unsigned_to_nat(0u);
 lean_inc(x_3);
 lean_inc(x_99);
-x_127 = l_Array_toSubarray___rarg(x_99, x_126, x_3);
-x_128 = lean_ctor_get(x_127, 0);
+x_126 = l_Array_toSubarray___rarg(x_99, x_125, x_3);
+x_127 = lean_ctor_get(x_126, 0);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_126, 1);
 lean_inc(x_128);
-x_129 = lean_ctor_get(x_127, 1);
+x_129 = lean_ctor_get(x_126, 2);
 lean_inc(x_129);
-x_130 = lean_ctor_get(x_127, 2);
-lean_inc(x_130);
+lean_dec(x_126);
+x_130 = lean_nat_dec_lt(x_128, x_129);
+if (x_130 == 0)
+{
+lean_object* x_131; 
+lean_dec(x_129);
+lean_dec(x_128);
 lean_dec(x_127);
-x_131 = lean_nat_dec_lt(x_129, x_130);
-if (x_131 == 0)
-{
-lean_object* x_132; 
-lean_dec(x_130);
-lean_dec(x_129);
-lean_dec(x_128);
 lean_dec(x_97);
-x_132 = lean_box(0);
-x_101 = x_132;
-goto block_125;
+x_131 = lean_box(0);
+x_101 = x_131;
+goto block_124;
 }
 else
 {
-lean_object* x_133; uint8_t x_134; 
-x_133 = lean_array_get_size(x_128);
-x_134 = lean_nat_dec_le(x_130, x_133);
-lean_dec(x_133);
-if (x_134 == 0)
+lean_object* x_132; uint8_t x_133; 
+x_132 = lean_array_get_size(x_127);
+x_133 = lean_nat_dec_le(x_129, x_132);
+lean_dec(x_132);
+if (x_133 == 0)
 {
-lean_object* x_135; 
-lean_dec(x_130);
+lean_object* x_134; 
 lean_dec(x_129);
 lean_dec(x_128);
+lean_dec(x_127);
 lean_dec(x_97);
-x_135 = lean_box(0);
-x_101 = x_135;
-goto block_125;
+x_134 = lean_box(0);
+x_101 = x_134;
+goto block_124;
 }
 else
 {
-size_t x_136; size_t x_137; uint8_t x_138; 
+size_t x_135; size_t x_136; uint8_t x_137; 
+x_135 = lean_usize_of_nat(x_128);
+lean_dec(x_128);
 x_136 = lean_usize_of_nat(x_129);
 lean_dec(x_129);
-x_137 = lean_usize_of_nat(x_130);
-lean_dec(x_130);
-x_138 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___spec__2(x_97, x_128, x_136, x_137);
-lean_dec(x_128);
+x_137 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___spec__2(x_97, x_127, x_135, x_136);
+lean_dec(x_127);
 lean_dec(x_97);
-if (x_138 == 0)
+if (x_137 == 0)
 {
-lean_object* x_139; 
-x_139 = lean_box(0);
-x_101 = x_139;
-goto block_125;
+lean_object* x_138; 
+x_138 = lean_box(0);
+x_101 = x_138;
+goto block_124;
 }
 else
 {
-lean_object* x_140; 
+lean_object* x_139; 
 lean_dec(x_100);
 lean_dec(x_12);
-lean_dec(x_3);
 lean_dec(x_2);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -41965,89 +43331,89 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_99);
 lean_inc(x_1);
-x_140 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_99, x_5, x_6, x_7, x_8, x_9, x_98);
-if (lean_obj_tag(x_140) == 0)
+x_139 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_99, x_5, x_6, x_7, x_8, x_9, x_98);
+if (lean_obj_tag(x_139) == 0)
 {
-lean_object* x_141; uint8_t x_142; 
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_142 = lean_unbox(x_141);
-if (x_142 == 0)
+lean_object* x_140; uint8_t x_141; 
+x_140 = lean_ctor_get(x_139, 0);
+lean_inc(x_140);
+x_141 = lean_unbox(x_140);
+if (x_141 == 0)
 {
-lean_object* x_143; lean_object* x_144; lean_object* x_145; 
-lean_dec(x_141);
-x_143 = lean_ctor_get(x_140, 1);
-lean_inc(x_143);
+lean_object* x_142; lean_object* x_143; 
 lean_dec(x_140);
-x_144 = lean_array_get_size(x_99);
-lean_dec(x_99);
-x_145 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_144, x_5, x_6, x_7, x_8, x_9, x_143);
-return x_145;
+x_142 = lean_ctor_get(x_139, 1);
+lean_inc(x_142);
+lean_dec(x_139);
+x_143 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_99, x_3, x_5, x_6, x_7, x_8, x_9, x_142);
+return x_143;
 }
 else
 {
-uint8_t x_146; 
+uint8_t x_144; 
 lean_dec(x_99);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_1);
-x_146 = !lean_is_exclusive(x_140);
-if (x_146 == 0)
+x_144 = !lean_is_exclusive(x_139);
+if (x_144 == 0)
 {
-lean_object* x_147; 
-x_147 = lean_ctor_get(x_140, 0);
-lean_dec(x_147);
-return x_140;
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_139, 0);
+lean_dec(x_145);
+return x_139;
 }
 else
 {
-lean_object* x_148; lean_object* x_149; 
-x_148 = lean_ctor_get(x_140, 1);
-lean_inc(x_148);
-lean_dec(x_140);
-x_149 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_149, 0, x_141);
-lean_ctor_set(x_149, 1, x_148);
-return x_149;
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_139, 1);
+lean_inc(x_146);
+lean_dec(x_139);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_140);
+lean_ctor_set(x_147, 1, x_146);
+return x_147;
 }
 }
 }
 else
 {
-uint8_t x_150; 
+uint8_t x_148; 
 lean_dec(x_99);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_1);
-x_150 = !lean_is_exclusive(x_140);
-if (x_150 == 0)
+x_148 = !lean_is_exclusive(x_139);
+if (x_148 == 0)
 {
-return x_140;
+return x_139;
 }
 else
 {
-lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_151 = lean_ctor_get(x_140, 0);
-x_152 = lean_ctor_get(x_140, 1);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_140);
-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_149; lean_object* x_150; lean_object* x_151; 
+x_149 = lean_ctor_get(x_139, 0);
+x_150 = lean_ctor_get(x_139, 1);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_151, 0, x_149);
+lean_ctor_set(x_151, 1, x_150);
+return x_151;
 }
 }
 }
 }
 }
-block_125:
+block_124:
 {
 lean_object* x_102; uint8_t x_103; 
 lean_dec(x_101);
@@ -42074,7 +43440,6 @@ lean_dec(x_12);
 if (x_107 == 0)
 {
 lean_object* x_108; 
-lean_dec(x_3);
 lean_dec(x_2);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -42092,84 +43457,84 @@ lean_inc(x_109);
 x_110 = lean_unbox(x_109);
 if (x_110 == 0)
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+lean_object* x_111; lean_object* x_112; 
 lean_dec(x_109);
 x_111 = lean_ctor_get(x_108, 1);
 lean_inc(x_111);
 lean_dec(x_108);
-x_112 = lean_array_get_size(x_99);
-lean_dec(x_99);
-x_113 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_112, x_5, x_6, x_7, x_8, x_9, x_111);
-return x_113;
+x_112 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_99, x_3, x_5, x_6, x_7, x_8, x_9, x_111);
+return x_112;
 }
 else
 {
-uint8_t x_114; 
+uint8_t x_113; 
 lean_dec(x_99);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_1);
-x_114 = !lean_is_exclusive(x_108);
-if (x_114 == 0)
-{
-lean_object* x_115; 
-x_115 = lean_ctor_get(x_108, 0);
-lean_dec(x_115);
-return x_108;
-}
-else
-{
-lean_object* x_116; lean_object* x_117; 
-x_116 = lean_ctor_get(x_108, 1);
-lean_inc(x_116);
-lean_dec(x_108);
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_109);
-lean_ctor_set(x_117, 1, x_116);
-return x_117;
-}
-}
-}
-else
-{
-uint8_t x_118; 
-lean_dec(x_99);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-x_118 = !lean_is_exclusive(x_108);
-if (x_118 == 0)
-{
-return x_108;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_108, 0);
-x_120 = lean_ctor_get(x_108, 1);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_108);
-x_121 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_121, 0, x_119);
-lean_ctor_set(x_121, 1, x_120);
-return x_121;
-}
-}
-}
-else
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_unsigned_to_nat(1u);
-x_123 = lean_nat_add(x_3, x_122);
 lean_dec(x_3);
-x_3 = x_123;
+lean_dec(x_1);
+x_113 = !lean_is_exclusive(x_108);
+if (x_113 == 0)
+{
+lean_object* x_114; 
+x_114 = lean_ctor_get(x_108, 0);
+lean_dec(x_114);
+return x_108;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; 
+x_115 = lean_ctor_get(x_108, 1);
+lean_inc(x_115);
+lean_dec(x_108);
+x_116 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_116, 0, x_109);
+lean_ctor_set(x_116, 1, x_115);
+return x_116;
+}
+}
+}
+else
+{
+uint8_t x_117; 
+lean_dec(x_99);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_117 = !lean_is_exclusive(x_108);
+if (x_117 == 0)
+{
+return x_108;
+}
+else
+{
+lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_118 = lean_ctor_get(x_108, 0);
+x_119 = lean_ctor_get(x_108, 1);
+lean_inc(x_119);
+lean_inc(x_118);
+lean_dec(x_108);
+x_120 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_120, 0, x_118);
+lean_ctor_set(x_120, 1, x_119);
+return x_120;
+}
+}
+}
+else
+{
+lean_object* x_121; lean_object* x_122; 
+x_121 = lean_unsigned_to_nat(1u);
+x_122 = lean_nat_add(x_3, x_121);
+lean_dec(x_3);
+x_3 = x_122;
 x_4 = x_99;
 x_10 = x_98;
 goto _start;
@@ -42179,10 +43544,9 @@ goto _start;
 }
 else
 {
-lean_object* x_154; 
+lean_object* x_152; 
 lean_dec(x_97);
 lean_dec(x_12);
-lean_dec(x_3);
 lean_dec(x_2);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -42191,90 +43555,90 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_99);
 lean_inc(x_1);
-x_154 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_99, x_5, x_6, x_7, x_8, x_9, x_98);
-if (lean_obj_tag(x_154) == 0)
+x_152 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(x_1, x_99, x_5, x_6, x_7, x_8, x_9, x_98);
+if (lean_obj_tag(x_152) == 0)
 {
-lean_object* x_155; uint8_t x_156; 
-x_155 = lean_ctor_get(x_154, 0);
+lean_object* x_153; uint8_t x_154; 
+x_153 = lean_ctor_get(x_152, 0);
+lean_inc(x_153);
+x_154 = lean_unbox(x_153);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+lean_dec(x_153);
+x_155 = lean_ctor_get(x_152, 1);
 lean_inc(x_155);
-x_156 = lean_unbox(x_155);
-if (x_156 == 0)
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-lean_dec(x_155);
-x_157 = lean_ctor_get(x_154, 1);
-lean_inc(x_157);
-lean_dec(x_154);
-x_158 = lean_array_get_size(x_99);
-lean_dec(x_99);
-x_159 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_158, x_5, x_6, x_7, x_8, x_9, x_157);
-return x_159;
+lean_dec(x_152);
+x_156 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(x_1, x_99, x_3, x_5, x_6, x_7, x_8, x_9, x_155);
+return x_156;
 }
 else
 {
-uint8_t x_160; 
+uint8_t x_157; 
 lean_dec(x_99);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_3);
 lean_dec(x_1);
-x_160 = !lean_is_exclusive(x_154);
-if (x_160 == 0)
+x_157 = !lean_is_exclusive(x_152);
+if (x_157 == 0)
 {
-lean_object* x_161; 
-x_161 = lean_ctor_get(x_154, 0);
-lean_dec(x_161);
-return x_154;
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_152, 0);
+lean_dec(x_158);
+return x_152;
 }
 else
 {
-lean_object* x_162; lean_object* x_163; 
-x_162 = lean_ctor_get(x_154, 1);
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_152, 1);
+lean_inc(x_159);
+lean_dec(x_152);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_153);
+lean_ctor_set(x_160, 1, x_159);
+return x_160;
+}
+}
+}
+else
+{
+uint8_t x_161; 
+lean_dec(x_99);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_161 = !lean_is_exclusive(x_152);
+if (x_161 == 0)
+{
+return x_152;
+}
+else
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+x_162 = lean_ctor_get(x_152, 0);
+x_163 = lean_ctor_get(x_152, 1);
+lean_inc(x_163);
 lean_inc(x_162);
-lean_dec(x_154);
-x_163 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_163, 0, x_155);
-lean_ctor_set(x_163, 1, x_162);
-return x_163;
-}
-}
-}
-else
-{
-uint8_t x_164; 
-lean_dec(x_99);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-x_164 = !lean_is_exclusive(x_154);
-if (x_164 == 0)
-{
-return x_154;
-}
-else
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-x_165 = lean_ctor_get(x_154, 0);
-x_166 = lean_ctor_get(x_154, 1);
-lean_inc(x_166);
-lean_inc(x_165);
-lean_dec(x_154);
-x_167 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_167, 0, x_165);
-lean_ctor_set(x_167, 1, x_166);
-return x_167;
+lean_dec(x_152);
+x_164 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_164, 0, x_162);
+lean_ctor_set(x_164, 1, x_163);
+return x_164;
 }
 }
 }
 }
 else
 {
-uint8_t x_168; 
+uint8_t x_165; 
 lean_dec(x_12);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -42285,23 +43649,23 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_168 = !lean_is_exclusive(x_96);
-if (x_168 == 0)
+x_165 = !lean_is_exclusive(x_96);
+if (x_165 == 0)
 {
 return x_96;
 }
 else
 {
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_96, 0);
-x_170 = lean_ctor_get(x_96, 1);
-lean_inc(x_170);
-lean_inc(x_169);
+lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+x_166 = lean_ctor_get(x_96, 0);
+x_167 = lean_ctor_get(x_96, 1);
+lean_inc(x_167);
+lean_inc(x_166);
 lean_dec(x_96);
-x_171 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_171, 0, x_169);
-lean_ctor_set(x_171, 1, x_170);
-return x_171;
+x_168 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_168, 0, x_166);
+lean_ctor_set(x_168, 1, x_167);
+return x_168;
 }
 }
 }
@@ -42336,13 +43700,14 @@ x_8 = lean_box(x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___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, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_14; 
-x_14 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_8);
-return x_14;
+lean_object* x_15; 
+x_15 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_9);
+lean_dec(x_3);
+return x_15;
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment___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) {
@@ -65122,7 +66487,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14089_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14581_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -65622,6 +66987,12 @@ l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__1
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__2();
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__2);
+l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__1);
+l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___closed__2);
+l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go_cont___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___closed__1();
@@ -65722,7 +67093,7 @@ l_Lean_Meta_isExprDefEqAuxImpl___closed__1 = _init_l_Lean_Meta_isExprDefEqAuxImp
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__1);
 l_Lean_Meta_isExprDefEqAuxImpl___closed__2 = _init_l_Lean_Meta_isExprDefEqAuxImpl___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14089_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_14581_(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));