internlm/Lean-Github huggingface dataset:
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
hgo : go aig acc curr len input mkAndCached = res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
unfold go at hgo
Proof state after:
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
hgo :
  (if hidx : curr < len then
      let res := aig.mkAndCached { lhs := acc, rhs := input.getRef curr hidx };
      let aig_1 := res.aig;
      let newAcc := res.ref;
      let input := input.cast ⋯;
      go aig_1 newAcc (curr + 1) len input mkAndCached
    else { aig := aig, ref := acc }) =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
hgo :
  (if hidx : curr < len then
      let res := aig.mkAndCached { lhs := acc, rhs := input.getRef curr hidx };
      let aig_1 := res.aig;
      let newAcc := res.ref;
      let input := input.cast ⋯;
      go aig_1 newAcc (curr + 1) len input mkAndCached
    else { aig := aig, ref := acc }) =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
split at hgo
Proof state after:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  (let res := aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ };
    let aig_1 := res.aig;
    let newAcc := res.ref;
    let input := input.cast ⋯;
    go aig_1 newAcc (curr + 1) len input mkAndCached) =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)

case isFalse
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : ¬curr < len
hgo : { aig := aig, ref := acc } = res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  (let res := aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ };
    let aig_1 := res.aig;
    let newAcc := res.ref;
    let input := input.cast ⋯;
    go aig_1 newAcc (curr + 1) len input mkAndCached) =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)

case isFalse
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : ¬curr < len
hgo : { aig := aig, ref := acc } = res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
. dsimp at hgo
  rw [← hgo]
  rw [denote_go_and]
  . simp only [denote_projected_entry, denote_mkAndCached, Bool.and_eq_true, getRef_cast,
      eq_iff_iff]
    constructor
    . intro h
      rcases h with ⟨⟨h1, h2⟩, h3⟩
      constructor
      . assumption
      . intro idx hidx1 hidx2
        cases Nat.eq_or_lt_of_le hidx2 with
        | inl heq => simpa [heq] using h2
        | inr hlt =>
          specialize h3 idx hidx1 (by omega)
          rw [← h3]
          rw [AIG.LawfulOperator.denote_mem_prefix (f := AIG.mkAndCached)]
          . simp
          . simp [Ref.hgate]
    . simp only [and_imp]
      intro hacc hrest
      constructor
      . simp [hacc, hrest]
      . intro idx hidx1 hidx2
        specialize hrest idx hidx1 (by omega)
        rw [← hrest]
        rw [AIG.LawfulOperator.denote_mem_prefix (f := AIG.mkAndCached)]
        . simp
        . simp [Ref.hgate]
  . omega
Proof state after:
case isFalse
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : ¬curr < len
hgo : { aig := aig, ref := acc } = res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isFalse
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : ¬curr < len
hgo : { aig := aig, ref := acc } = res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
. rw [← hgo]
  simp only [eq_iff_iff, iff_self_and]
  omega
Proof state after:
no goals
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  (let res := aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ };
    let aig_1 := res.aig;
    let newAcc := res.ref;
    let input := input.cast ⋯;
    go aig_1 newAcc (curr + 1) len input mkAndCached) =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
dsimp at hgo
Proof state after:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := res.aig, ref := res.ref }, assign⟧ = true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
rw [← hgo]
Proof state after:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{
          aig :=
            (go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
                (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯)
                mkAndCached).aig,
          ref :=
            (go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
                (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯)
                mkAndCached).ref },
        assign⟧ =
      true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{
          aig :=
            (go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
                (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯)
                mkAndCached).aig,
          ref :=
            (go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
                (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯)
                mkAndCached).ref },
        assign⟧ =
      true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
rw [denote_go_and]
Proof state after:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
            ref := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref },
          assign⟧ =
        true ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.cast ⋯).getRef idx hidx1 },
              assign⟧ =
            true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)

case isTrue.hcurr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ curr + 1 ≤ len
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
            ref := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref },
          assign⟧ =
        true ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.cast ⋯).getRef idx hidx1 },
              assign⟧ =
            true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)

case isTrue.hcurr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ curr + 1 ≤ len
Tactic:
. simp only [denote_projected_entry, denote_mkAndCached, Bool.and_eq_true, getRef_cast,
    eq_iff_iff]
  constructor
  . intro h
    rcases h with ⟨⟨h1, h2⟩, h3⟩
    constructor
    . assumption
    . intro idx hidx1 hidx2
      cases Nat.eq_or_lt_of_le hidx2 with
      | inl heq => simpa [heq] using h2
      | inr hlt =>
        specialize h3 idx hidx1 (by omega)
        rw [← h3]
        rw [AIG.LawfulOperator.denote_mem_prefix (f := AIG.mkAndCached)]
        . simp
        . simp [Ref.hgate]
  . simp only [and_imp]
    intro hacc hrest
    constructor
    . simp [hacc, hrest]
    . intro idx hidx1 hidx2
      specialize hrest idx hidx1 (by omega)
      rw [← hrest]
      rw [AIG.LawfulOperator.denote_mem_prefix (f := AIG.mkAndCached)]
      . simp
      . simp [Ref.hgate]
Proof state after:
case isTrue.hcurr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ curr + 1 ≤ len
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue.hcurr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ curr + 1 ≤ len
Tactic:
. omega
Proof state after:
no goals
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
            ref := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref },
          assign⟧ =
        true ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.cast ⋯).getRef idx hidx1 },
              assign⟧ =
            true) =
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true)
Tactic:
simp only [denote_projected_entry, denote_mkAndCached, Bool.and_eq_true, getRef_cast,
  eq_iff_iff]
Proof state after:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ ((⟦{ aig := aig, ref := acc }, assign⟧ = true ∧ ⟦{ aig := aig, ref := input.getRef curr h✝ }, assign⟧ = true) ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.getRef idx hidx1).cast ⋯ },
              assign⟧ =
            true) ↔
    ⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ ((⟦{ aig := aig, ref := acc }, assign⟧ = true ∧ ⟦{ aig := aig, ref := input.getRef curr h✝ }, assign⟧ = true) ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.getRef idx hidx1).cast ⋯ },
              assign⟧ =
            true) ↔
    ⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true
Tactic:
constructor
Proof state after:
case isTrue.mp
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ ((⟦{ aig := aig, ref := acc }, assign⟧ = true ∧ ⟦{ aig := aig, ref := input.getRef curr h✝ }, assign⟧ = true) ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.getRef idx hidx1).cast ⋯ },
              assign⟧ =
            true) →
    ⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true

case isTrue.mpr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true) →
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧ ⟦{ aig := aig, ref := input.getRef curr h✝ }, assign⟧ = true) ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.getRef idx hidx1).cast ⋯ },
              assign⟧ =
            true
Theorem: AIG.RefStream.fold.denote_go_and
Proof state before:
case isTrue.mpr
α : Type
inst✝² : BEq α
inst✝¹ : Hashable α
inst✝ : DecidableEq α
aig✝ : AIG α
len : Nat
assign : α → Bool
aig : AIG α
acc : aig.Ref
curr : Nat
hcurr : curr ≤ len
input : aig.RefStream len
res : Entrypoint α
h✝ : curr < len
hgo :
  go (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig
      (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).ref (curr + 1) len (input.cast ⋯) mkAndCached =
    res
⊢ (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧
      ∀ (idx : Nat) (hidx1 : idx < len), curr ≤ idx → ⟦{ aig := aig, ref := input.getRef idx hidx1 }, assign⟧ = true) →
    (⟦{ aig := aig, ref := acc }, assign⟧ = true ∧ ⟦{ aig := aig, ref := input.getRef curr h✝ }, assign⟧ = true) ∧
      ∀ (idx : Nat) (hidx1 : idx < len),
        curr + 1 ≤ idx →
          ⟦{ aig := (aig.mkAndCached { lhs := acc, rhs := input.getRef curr h✝ }).aig,
                ref := (input.getRef idx hidx1).cast ⋯ },
              assign⟧ =
            true
Tactic:
. simp only [and_imp]
  intro hacc hrest
  constructor
  . simp [hacc, hrest]
  . intro idx hidx1 hidx2
    specialize hrest idx hidx1 (by omega)
    rw [← hrest]
    rw [AIG.LawfulOperator.denote_mem_prefix (f := AIG.mkAndCached)]
    . simp
    . simp [Ref.hgate]
Proof state after:
no goals