mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.Computability.TuringMachine.StackTuringMachine

Goal state before:
pp: case succ
K : Type u_1
Γ : K → Type u_2
Λ : Type u_3
σ : Type u_4
inst✝ : DecidableEq K
M : Λ → TM2.Stmt Γ Λ σ
k : K
o : StAct K Γ σ k
q : TM2.Stmt Γ Λ σ
v : σ
S : List (Γ k)
L : ListBlank ((k : K) → Option (Γ k))
hL : ListBlank.map (proj k) L = ListBlank.mk (List.map some S).reverse
n : ℕ
IH :
  n ≤ S.length →
    Reaches₀ (TM1.step (tr M)) { l := some (go k o q), var := v, Tape := Tape.mk' ∅ (addBottom L) }
      { l := some (go k o q), var := v, Tape := (Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L)) }
H : n + 1 ≤ S.length
⊢ some
      (bif (some S.reverse[n]).isNone then
        TM1.stepAux (trStAct (goto fun x x_1 ↦ ret q) o) v ((Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L)))
      else
        { l := some (go k o q), var := v,
          Tape := Tape.move Dir.right ((Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L))) }) =
    some
      { l := some (go k o q), var := v,
        Tape := Tape.move Dir.right ((Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L))) }

pp: case succ
K : Type u_1
Γ : K → Type u_2
Λ : Type u_3
σ : Type u_4
inst✝ : DecidableEq K
M : Λ → TM2.Stmt Γ Λ σ
k : K
o : StAct K Γ σ k
q : TM2.Stmt Γ Λ σ
v : σ
S : List (Γ k)
L : ListBlank ((k : K) → Option (Γ k))
hL : ListBlank.map (proj k) L = ListBlank.mk (List.map some S).reverse
n : ℕ
IH :
  n ≤ S.length →
    Reaches₀ (TM1.step (tr M)) { l := some (go k o q), var := v, Tape := Tape.mk' ∅ (addBottom L) }
      { l := some (go k o q), var := v, Tape := (Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L)) }
H : n + 1 ≤ S.length
⊢ n < S.reverse.length

Tactic:
· rfl

Goal state after:
case succ
K : Type u_1
Γ : K → Type u_2
Λ : Type u_3
σ : Type u_4
inst✝ : DecidableEq K
M : Λ → TM2.Stmt Γ Λ σ
k : K
o : StAct K Γ σ k
q : TM2.Stmt Γ Λ σ
v : σ
S : List (Γ k)
L : ListBlank ((k : K) → Option (Γ k))
hL : ListBlank.map (proj k) L = ListBlank.mk (List.map some S).reverse
n : ℕ
IH :
  n ≤ S.length →
    Reaches₀ (TM1.step (tr M)) { l := some (go k o q), var := v, Tape := Tape.mk' ∅ (addBottom L) }
      { l := some (go k o q), var := v, Tape := (Tape.move Dir.right)^[n] (Tape.mk' ∅ (addBottom L)) }
H : n + 1 ≤ S.length
⊢ n < S.reverse.length
Module: Mathlib.Computability.TuringMachine.Config

Goal state before:
pp: case mp
f : Code
k : Cont
v : List ℕ
fok : f.Ok
x c : Cfg
he : x ∈ eval step c
y : Cfg
h : x ∈ eval step y
IH :
  ∀ (a' : Cfg),
    step y = some a' →
      ∀ (v : List ℕ) (c' : Cfg),
        a' = c'.then (Cont.fix f k) →
          Reaches step (stepNormal f Cont.halt v) c' →
            ∃ v₁ ∈ f.eval v,
              ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)
⊢ ∀ (v : List ℕ) (c' : Cfg),
    y = c'.then (Cont.fix f k) →
      Reaches step (stepNormal f Cont.halt v) c' →
        ∃ v₁ ∈ f.eval v, ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)

Tactic:
rintro v (⟨v'⟩ | ⟨k', v'⟩) rfl hr <;> rw [Cfg.then] at h IH <;> simp only at h IH

Goal state after:
case mp.halt
f : Code
k : Cont
v✝ : List ℕ
fok : f.Ok
x c : Cfg
he : x ∈ eval step c
v v' : List ℕ
h : x ∈ eval step (stepRet (Cont.fix f k) v')
IH :
  ∀ (a' : Cfg),
    step (stepRet (Cont.fix f k) v') = some a' →
      ∀ (v : List ℕ) (c' : Cfg),
        a' = c'.then (Cont.fix f k) →
          Reaches step (stepNormal f Cont.halt v) c' →
            ∃ v₁ ∈ f.eval v,
              ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)
hr : Reaches step (stepNormal f Cont.halt v) (Cfg.halt v')
⊢ ∃ v₁ ∈ f.eval v, ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)

case mp.ret
f : Code
k : Cont
v✝ : List ℕ
fok : f.Ok
x c : Cfg
he : x ∈ eval step c
v : List ℕ
k' : Cont
v' : List ℕ
h : x ∈ eval step (Cfg.ret (k'.then (Cont.fix f k)) v')
IH :
  ∀ (a' : Cfg),
    step (Cfg.ret (k'.then (Cont.fix f k)) v') = some a' →
      ∀ (v : List ℕ) (c' : Cfg),
        a' = c'.then (Cont.fix f k) →
          Reaches step (stepNormal f Cont.halt v) c' →
            ∃ v₁ ∈ f.eval v,
              ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)
hr : Reaches step (stepNormal f Cont.halt v) (Cfg.ret k' v')
⊢ ∃ v₁ ∈ f.eval v, ∃ v₂ ∈ if v₁.headI = 0 then pure v₁.tail else f.fix.eval v₁.tail, x ∈ eval step (Cfg.ret k v₂)
Module: Mathlib.Computability.TuringMachine.Config

Goal state before:
pp: case mpr
f : Code
k : Cont
v : List ℕ
fok : f.Ok
x : Cfg
v' : List ℕ
he : v' ∈ f.fix.eval v
hr : x ∈ eval step (Cfg.ret k v')
⊢ x ∈ eval step (stepNormal f (Cont.fix f k) v)

Tactic:
rw [reaches_eval] at hr

Goal state after:
case mpr
f : Code
k : Cont
v : List ℕ
fok : f.Ok
x : Cfg
v' : List ℕ
he : v' ∈ f.fix.eval v
hr✝ : x ∈ eval step (Cfg.ret k v')
hr : x ∈ eval step ?m.617
⊢ x ∈ eval step (stepNormal f (Cont.fix f k) v)

case mpr
f : Code
k : Cont
v : List ℕ
fok : f.Ok
x : Cfg
v' : List ℕ
he : v' ∈ f.fix.eval v
hr : x ∈ eval step (Cfg.ret k v')
⊢ Reaches step (Cfg.ret k v') ?m.617

f : Code
k : Cont
v : List ℕ
fok : f.Ok
x : Cfg
v' : List ℕ
he : v' ∈ f.fix.eval v
hr : x ∈ eval step (Cfg.ret k v')
⊢ Cfg
Module: Mathlib.Computability.TuringMachine.StackTuringMachine

Goal state before:
pp: case refine_2
K : Type u_1
Γ : K → Type u_2
Λ : Type u_3
σ : Type u_4
inst✝¹ : DecidableEq K
M : Λ → TM2.Stmt Γ Λ σ
inst✝ : Inhabited Λ
S : Finset Λ
ss : TM2.Supports M S
a✝ : σ → σ
q✝ : TM2.Stmt Γ Λ σ
IH :
  TM2.SupportsStmt S q✝ →
    (∀ x ∈ trStmts₁ q✝, x ∈ trSupp M S) →
      TM1.SupportsStmt (trSupp M S) (trNormal q✝) ∧ ∀ l' ∈ trStmts₁ q✝, TM1.SupportsStmt (trSupp M S) (tr M l')
ss' : TM2.SupportsStmt S (TM2.Stmt.load a✝ q✝)
sub : ∀ x ∈ trStmts₁ q✝, x ∈ trSupp M S
⊢ TM1.SupportsStmt (trSupp M S) (trNormal (TM2.Stmt.load a✝ q✝)) ∧
    ∀ l' ∈ trStmts₁ q✝, TM1.SupportsStmt (trSupp M S) (tr M l')

Tactic:
exact IH ss' sub

Goal state after:
Module: Mathlib.Computability.TuringMachine.ToPartrec

Goal state before:
pp: case e'_2
p : Γ' → Bool
k₁ k₂ : K'
q : Λ'
s : Option Γ'
L₁ L₂ : List Γ'
S : K' → List Γ'
h₁ : k₁ ≠ rev ∧ k₂ ≠ rev ∧ k₁ ≠ k₂
h₂ : S rev = []
val✝ : Γ'
e : splitAtPred p (S k₁) = (L₁, some val✝, L₂)
⊢ update (update S k₁ (val✝ :: L₂)) k₂ (L₁ ++ S k₂) =
    update (update S k₁ (val✝ :: L₂)) k₂
      ((update (update S rev L₁.reverse) k₁ (val✝ :: L₂) rev).reverse ++
        update (update S rev L₁.reverse) k₁ (val✝ :: L₂) k₂)

Tactic:
simp only [Function.update_of_ne h₁.1.symm, Function.update_of_ne h₁.2.2.symm,
      Function.update_of_ne h₁.2.1, Function.update_self, List.reverse_reverse]

Goal state after:
Module: Mathlib.Topology.ExtremallyDisconnected

Goal state before:
pp: A D : Type u
inst✝³ : TopologicalSpace A
inst✝² : TopologicalSpace D
inst✝¹ : T1Space A
inst✝ : CompactSpace D
X : D → A
X_cont : Continuous X
X_surj : Surjective X
S : Set (Set D) := {E | IsClosed E ∧ X '' E = univ}
C : Set (Set D)
C_sub : C ⊆ S
⊢ IsChain (fun x1 x2 ↦ x1 ⊆ x2) C → ∃ s ∈ S, ∀ c ∈ C, s ⊆ c

Tactic:
C_chain

Goal state after:
A D : Type u
inst✝³ : TopologicalSpace A
inst✝² : TopologicalSpace D
inst✝¹ : T1Space A
inst✝ : CompactSpace D
X : D → A
X_cont : Continuous X
X_surj : Surjective X
S : Set (Set D) := {E | IsClosed E ∧ X '' E = univ}
C : Set (Set D)
C_sub : C ⊆ S
C_chain : IsChain (fun x1 x2 ↦ x1 ⊆ x2) C
⊢ ∃ s ∈ S, ∀ c ∈ C, s ⊆ c
Module: Mathlib.Topology.ExtremallyDisconnected

Goal state before:
pp: A E : Type u
inst✝⁵ : TopologicalSpace A
inst✝⁴ : TopologicalSpace E
inst✝³ : ExtremallyDisconnected A
inst✝² : T2Space A
inst✝¹ : T2Space E
inst✝ : CompactSpace E
ρ : E → A
ρ_cont : Continuous ρ
ρ_surj : Surjective ρ
zorn_subset : ∀ (E₀ : Set E), E₀ ≠ univ → IsClosed E₀ → ρ '' E₀ ≠ univ
x₁ x₂ : E
hρx : ρ x₁ = ρ x₂
hx : ¬x₁ = x₂
G₁ G₂ : Set E
G₁_open : IsOpen G₁
G₂_open : IsOpen G₂
hx₁ : x₁ ∈ G₁
hx₂ : x₂ ∈ G₂
disj : Disjoint G₁ G₂
G₁_comp : IsCompact G₁ᶜ
G₂_comp : IsCompact G₂ᶜ
G₁_open' : IsOpen (ρ '' G₁ᶜ)ᶜ
G₂_open' : IsOpen (ρ '' G₂ᶜ)ᶜ
⊢ False

Tactic:
have disj' : Disjoint (ρ '' G₁ᶜ)ᶜ (ρ '' G₂ᶜ)ᶜ := by
    rw [disjoint_iff_inter_eq_empty, ← compl_union, ← image_union, ← compl_inter,
      disjoint_iff_inter_eq_empty.mp disj, compl_empty, compl_empty_iff,
      image_univ_of_surjective ρ_surj]

Goal state after:
A E : Type u
inst✝⁵ : TopologicalSpace A
inst✝⁴ : TopologicalSpace E
inst✝³ : ExtremallyDisconnected A
inst✝² : T2Space A
inst✝¹ : T2Space E
inst✝ : CompactSpace E
ρ : E → A
ρ_cont : Continuous ρ
ρ_surj : Surjective ρ
zorn_subset : ∀ (E₀ : Set E), E₀ ≠ univ → IsClosed E₀ → ρ '' E₀ ≠ univ
x₁ x₂ : E
hρx : ρ x₁ = ρ x₂
hx : ¬x₁ = x₂
G₁ G₂ : Set E
G₁_open : IsOpen G₁
G₂_open : IsOpen G₂
hx₁ : x₁ ∈ G₁
hx₂ : x₂ ∈ G₂
disj : Disjoint G₁ G₂
G₁_comp : IsCompact G₁ᶜ
G₂_comp : IsCompact G₂ᶜ
G₁_open' : IsOpen (ρ '' G₁ᶜ)ᶜ
G₂_open' : IsOpen (ρ '' G₂ᶜ)ᶜ
disj' : Disjoint (ρ '' G₁ᶜ)ᶜ (ρ '' G₂ᶜ)ᶜ
⊢ False
Module: Mathlib.Topology.ExtremallyDisconnected

Goal state before:
pp: A : Type u
inst✝⁹ : TopologicalSpace A
inst✝⁸ : ExtremallyDisconnected A
inst✝⁷ : CompactSpace A
inst✝⁶ : T2Space A
B C : Type u
inst✝⁵ : TopologicalSpace B
inst✝⁴ : TopologicalSpace C
inst✝³ : CompactSpace B
inst✝² : T2Space B
inst✝¹ : CompactSpace C
inst✝ : T2Space C
φ : A → C
f : B → C
φ_cont : Continuous φ
f_cont : Continuous f
f_surj : Surjective f
D : Set (A × B) := {x | φ x.1 = f x.2}
D_comp : CompactSpace ↑D
X₁ : ↑D → A := Prod.fst ∘ Subtype.val
X₁_cont : Continuous X₁
X₁_surj : Surjective X₁
⊢ ∃ h, Continuous h ∧ f ∘ h = φ

Tactic:
rcases exists_compact_surjective_zorn_subset X₁_cont X₁_surj with ⟨E, _, E_onto, E_min⟩

Goal state after:
A : Type u
inst✝⁹ : TopologicalSpace A
inst✝⁸ : ExtremallyDisconnected A
inst✝⁷ : CompactSpace A
inst✝⁶ : T2Space A
B C : Type u
inst✝⁵ : TopologicalSpace B
inst✝⁴ : TopologicalSpace C
inst✝³ : CompactSpace B
inst✝² : T2Space B
inst✝¹ : CompactSpace C
inst✝ : T2Space C
φ : A → C
f : B → C
φ_cont : Continuous φ
f_cont : Continuous f
f_surj : Surjective f
D : Set (A × B) := {x | φ x.1 = f x.2}
D_comp : CompactSpace ↑D
X₁ : ↑D → A := Prod.fst ∘ Subtype.val
X₁_cont : Continuous X₁
X₁_surj : Surjective X₁
E : Set ↑D
left✝ : CompactSpace ↑E
E_onto : X₁ '' E = univ
E_min : ∀ (E₀ : Set ↑E), E₀ ≠ univ → IsClosed E₀ → E.domRestrict X₁ '' E₀ ≠ univ
⊢ ∃ h, Continuous h ∧ f ∘ h = φ
Module: Mathlib.Topology.Category.Stonean.Basic

Goal state before:
pp: case mpr
X : CompHaus
⊢ ExtremallyDisconnected ↑X.toTop → Projective X

Tactic:
intro h
    let X' : Stonean := ⟨X.toTop, inferInstance⟩
    change Projective X'.compHaus
    apply Stonean.instProjectiveCompHausCompHaus

Goal state after:
Module: Mathlib.Topology.Category.TopCat.Limits.Cofiltered

Goal state before:
pp: J : Type v
inst✝¹ : Category.{w, v} J
inst✝ : IsCofiltered J
F : J ⥤ TopCat
C : Cone F
hC : IsLimit C
T : (j : J) → Set (Set ↑(F.obj j))
hT : ∀ (j : J), IsTopologicalBasis (T j)
univ : ∀ (i : J), Set.univ ∈ T i
inter : ∀ (i : J) (U1 U2 : Set ↑(F.obj i)), U1 ∈ T i → U2 ∈ T i → U1 ∩ U2 ∈ T i
compat : ∀ (i j : J) (f : i ⟶ j), ∀ V ∈ T j, ⇑(ConcreteCategory.hom (F.map f)) ⁻¹' V ∈ T i
j : J
V : Set ↑(F.obj j)
hV : V ∈ T j
i : J
h : i = j
⊢ Set ↑(F.obj j)

Tactic:
exact V

Goal state after:
Module: Mathlib.Computability.TuringMachine.ToPartrec

Goal state before:
pp: case cons₁.refine_1
fs : Code
as : List ℕ
k : Cont
a_ih✝ :
  ∀ (v : List ℕ) (s : Option Γ'),
    ∃ b₂,
      TrCfg (stepRet k v) b₂ ∧
        Reaches₁ (TM2.step tr) { l := some (Λ'.ret (trCont k)), var := s, stk := elim (trList v) [] [] (trContStack k) }
          b₂
v : List ℕ
s : Option Γ'
s' : Cfg'
h₁ : TrCfg (stepNormal fs (Cont.cons₂ v k) as) s'
h₂ :
  Reaches₁ (TM2.step tr)
    { l := some (trNormal fs (trCont (Cont.cons₂ v k))), var := none,
      stk := elim (trList as) [] [] (trContStack (Cont.cons₂ v k)) }
    s'
⊢ elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k)) rev = []

pp: case cons₁.refine_2
fs : Code
as : List ℕ
k : Cont
a_ih✝ :
  ∀ (v : List ℕ) (s : Option Γ'),
    ∃ b₂,
      TrCfg (stepRet k v) b₂ ∧
        Reaches₁ (TM2.step tr) { l := some (Λ'.ret (trCont k)), var := s, stk := elim (trList v) [] [] (trContStack k) }
          b₂
v : List ℕ
s : Option Γ'
s' : Cfg'
h₁ : TrCfg (stepNormal fs (Cont.cons₂ v k) as) s'
h₂ :
  Reaches₁ (TM2.step tr)
    { l := some (trNormal fs (trCont (Cont.cons₂ v k))), var := none,
      stk := elim (trList as) [] [] (trContStack (Cont.cons₂ v k)) }
    s'
⊢ TransGen (fun a b ↦ b ∈ TM2.step tr a)
    {
      l :=
        some
          (move₂ (fun s ↦ decide (s = Γ'.consₗ)) stack main
            (move₂ (fun x ↦ false) aux stack (trNormal fs (trCont k).cons₂))),
      var := none,
      stk :=
        update (update (elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k))) main (none.elim id List.cons [])) aux
          (elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k)) main ++
            elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k)) aux) }
    s'

Tactic:
· rfl

Goal state after:
case cons₁.refine_2
fs : Code
as : List ℕ
k : Cont
a_ih✝ :
  ∀ (v : List ℕ) (s : Option Γ'),
    ∃ b₂,
      TrCfg (stepRet k v) b₂ ∧
        Reaches₁ (TM2.step tr) { l := some (Λ'.ret (trCont k)), var := s, stk := elim (trList v) [] [] (trContStack k) }
          b₂
v : List ℕ
s : Option Γ'
s' : Cfg'
h₁ : TrCfg (stepNormal fs (Cont.cons₂ v k) as) s'
h₂ :
  Reaches₁ (TM2.step tr)
    { l := some (trNormal fs (trCont (Cont.cons₂ v k))), var := none,
      stk := elim (trList as) [] [] (trContStack (Cont.cons₂ v k)) }
    s'
⊢ TransGen (fun a b ↦ b ∈ TM2.step tr a)
    {
      l :=
        some
          (move₂ (fun s ↦ decide (s = Γ'.consₗ)) stack main
            (move₂ (fun x ↦ false) aux stack (trNormal fs (trCont k).cons₂))),
      var := none,
      stk :=
        update (update (elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k))) main (none.elim id List.cons [])) aux
          (elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k)) main ++
            elim (trList v) [] [] (trContStack (Cont.cons₁ fs as k)) aux) }
    s'
Module: Mathlib.Topology.Category.LightProfinite.Basic

Goal state before:
pp: S : LightProfinite
⊢ Countable (Clopens ↑S.toTop)

Tactic:
TopologicalSpace.Clopens.countable_iff_secondCountable

Goal state after:
S : LightProfinite
⊢ SecondCountableTopology ↑S.toTop
Module: Mathlib.Logic.Function.FiberPartition

Goal state before:
pp: Y : Type u_2
Z : Type u_3
f : Y → Z
a : Fiber f
x : ↑↑a
⊢ f ↑x = image f a

Tactic:
have := a.2.choose_spec
  rw [← Set.mem_singleton_iff, ← Set.mem_preimage]
  convert! x.prop

Goal state after:
Module: Mathlib.Condensed.TopComparison

Goal state before:
pp: case refine_1
C : Type u
inst✝⁴ : Category.{v, u} C
G : C ⥤ TopCat
X : Type w'
inst✝³ : TopologicalSpace X
inst✝² : ∀ (Z B : C) (π : Z ⟶ B) [EffectiveEpi π], PreservesLimit (cospan π π) G
hq : ∀ (Z B : C) (π : Z ⟶ B) [EffectiveEpi π], IsQuotientMap ⇑(ConcreteCategory.hom (G.map π))
Z B : C
π : Z ⟶ B
inst✝¹ : EffectiveEpi π
inst✝ : HasPullback π π
a b : (fun X ↦ X) ((yonedaPresheaf G X).obj (op B))
h : ⇑a ∘ ⇑(TopCat.Hom.hom (G.map π)) = ⇑b ∘ ⇑(TopCat.Hom.hom (G.map π))
x : ↑(G.obj (unop (op B)))
y : ↑(G.obj Z)
hy : (ConcreteCategory.hom (G.map π)) y = x
⊢ a x = b x

Tactic:
rw [← hy]

Goal state after:
case refine_1
C : Type u
inst✝⁴ : Category.{v, u} C
G : C ⥤ TopCat
X : Type w'
inst✝³ : TopologicalSpace X
inst✝² : ∀ (Z B : C) (π : Z ⟶ B) [EffectiveEpi π], PreservesLimit (cospan π π) G
hq : ∀ (Z B : C) (π : Z ⟶ B) [EffectiveEpi π], IsQuotientMap ⇑(ConcreteCategory.hom (G.map π))
Z B : C
π : Z ⟶ B
inst✝¹ : EffectiveEpi π
inst✝ : HasPullback π π
a b : (fun X ↦ X) ((yonedaPresheaf G X).obj (op B))
h : ⇑a ∘ ⇑(TopCat.Hom.hom (G.map π)) = ⇑b ∘ ⇑(TopCat.Hom.hom (G.map π))
x : ↑(G.obj (unop (op B)))
y : ↑(G.obj Z)
hy : (ConcreteCategory.hom (G.map π)) y = x
⊢ a ((ConcreteCategory.hom (G.map π)) y) = b ((ConcreteCategory.hom (G.map π)) y)
Module: Mathlib.Condensed.Explicit

Goal state before:
pp: A : Type u_1
inst✝⁵ : Category.{v_1, u_1} A
inst✝⁴ : ∀ (X : CompHausᵒᵖ), HasLimitsOfShape (StructuredArrow X profiniteToCompHaus.op) A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : Profiniteᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ IsSheaf (coherentTopology Profinite) (F ⋙ CategoryTheory.forget A)

Tactic:
isSheaf_iff_preservesFiniteProducts_and_equalizerCondition

Goal state after:
A : Type u_1
inst✝⁵ : Category.{v_1, u_1} A
inst✝⁴ : ∀ (X : CompHausᵒᵖ), HasLimitsOfShape (StructuredArrow X profiniteToCompHaus.op) A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : Profiniteᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ PreservesFiniteProducts (F ⋙ CategoryTheory.forget A) ∧ EqualizerCondition (F ⋙ CategoryTheory.forget A)
Module: Mathlib.Condensed.Explicit

Goal state before:
pp: A : Type u_1
inst✝⁴ : Category.{v_1, u_1} A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : CompHausᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ IsSheaf (coherentTopology CompHaus) (F ⋙ CategoryTheory.forget A)

Tactic:
isSheaf_iff_preservesFiniteProducts_and_equalizerCondition

Goal state after:
A : Type u_1
inst✝⁴ : Category.{v_1, u_1} A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : CompHausᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ PreservesFiniteProducts (F ⋙ CategoryTheory.forget A) ∧ EqualizerCondition (F ⋙ CategoryTheory.forget A)
Module: Mathlib.Topology.Category.LightProfinite.Sequence

Goal state before:
pp: case refine_1.none.none
h : natUnionInftyEmbedding none = natUnionInftyEmbedding none
⊢ none = none

pp: case refine_1.none.some
m : ℕ
h : natUnionInftyEmbedding none = natUnionInftyEmbedding (Option.some m)
⊢ none = Option.some m

pp: case refine_1.some.none
n : ℕ
h : natUnionInftyEmbedding (Option.some n) = natUnionInftyEmbedding none
⊢ Option.some n = none

pp: case refine_1.some.some
n m : ℕ
h : natUnionInftyEmbedding (Option.some n) = natUnionInftyEmbedding (Option.some m)
⊢ Option.some n = Option.some m

Tactic:
· rfl

Goal state after:
case refine_1.none.some
m : ℕ
h : natUnionInftyEmbedding none = natUnionInftyEmbedding (Option.some m)
⊢ none = Option.some m

case refine_1.some.none
n : ℕ
h : natUnionInftyEmbedding (Option.some n) = natUnionInftyEmbedding none
⊢ Option.some n = none

case refine_1.some.some
n m : ℕ
h : natUnionInftyEmbedding (Option.some n) = natUnionInftyEmbedding (Option.some m)
⊢ Option.some n = Option.some m
Module: Mathlib.Condensed.Light.EffectiveEpi

Goal state before:
pp: X✝ Y✝ : LightProfinite
f : X✝ ⟶ Y✝
hf : Epi f
S : LightProfinite
g : (lightProfiniteToLightCondSet.obj Y✝).obj.obj (Opposite.op S)
⊢ ∃ S' φ,
    ∃ (_ : Function.Surjective ⇑(ConcreteCategory.hom φ)),
      ∃ x,
        (ConcreteCategory.hom ((lightProfiniteToLightCondSet.map f).hom.app (Opposite.op S'))) x =
          (ConcreteCategory.hom ((lightProfiniteToLightCondSet.obj Y✝).obj.map (Opposite.op φ))) g

Tactic:
refine ⟨pullback f g, pullback.snd _ _, fun y ↦ ?_, pullback.fst _ _, pullback.condition _ _⟩

Goal state after:
X✝ Y✝ : LightProfinite
f : X✝ ⟶ Y✝
hf : Epi f
S : LightProfinite
g : (lightProfiniteToLightCondSet.obj Y✝).obj.obj (Opposite.op S)
y : (fun X ↦ ↑X.toTop) S
⊢ ∃ a, (ConcreteCategory.hom (pullback.snd f g)) a = y
Module: Mathlib.Condensed.Light.Explicit

Goal state before:
pp: A : Type u_1
inst✝⁴ : Category.{v_1, u_1} A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : LightProfiniteᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ IsSheaf (coherentTopology LightProfinite) (F ⋙ CategoryTheory.forget A)

Tactic:
isSheaf_iff_preservesFiniteProducts_and_equalizerCondition

Goal state after:
A : Type u_1
inst✝⁴ : Category.{v_1, u_1} A
FA : A → A → Type u_2
CA : A → Type u_3
inst✝³ : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)
inst✝² : ConcreteCategory A FA
inst✝¹ : ReflectsFiniteLimits (CategoryTheory.forget A)
F : LightProfiniteᵒᵖ ⥤ A
inst✝ : PreservesFiniteProducts (F ⋙ CategoryTheory.forget A)
hF : EqualizerCondition (F ⋙ CategoryTheory.forget A)
⊢ PreservesFiniteProducts (F ⋙ CategoryTheory.forget A) ∧ EqualizerCondition (F ⋙ CategoryTheory.forget A)
Module: Mathlib.Control.Traversable.Lemmas

Goal state before:
pp: t : Type u → Type u
inst✝¹ : Traversable t
inst✝ : LawfulTraversable t
β γ : Type u
f : β → γ
⊢ traverse (pure ∘ f) = pure ∘ map f

Tactic:
by
  ext
  exact traverse_eq_map_id _ _

Goal state after:
Module: Mathlib.Control.Bitraversable.Instances

Goal state before:
pp: case id_bitraverse.inl
t : Type u → Type u → Type u
inst✝¹ : Bitraversable t
F : Type u → Type u
inst✝ : Applicative F
α✝ β✝ : Type u_1
x✝ : α✝
⊢ bitraverse pure pure (Sum.inl x✝) = pure (Sum.inl x✝)

Tactic:
simp [bitraverse, Sum.bitraverse, functor_norm]

Goal state after:
Module: Mathlib.Control.Bitraversable.Instances

Goal state before:
pp: case id_bitraverse.inr
t : Type u → Type u → Type u
inst✝¹ : Bitraversable t
F : Type u → Type u
inst✝ : Applicative F
α✝ β✝ : Type u_1
x✝ : β✝
⊢ bitraverse pure pure (Sum.inr x✝) = pure (Sum.inr x✝)

Tactic:
simp [bitraverse, Sum.bitraverse, functor_norm]

Goal state after:
Module: Mathlib.Control.Bitraversable.Instances

Goal state before:
pp: case comp_bitraverse.inl
t : Type u → Type u → Type u
inst✝⁵ : Bitraversable t
F : Type u → Type u
inst✝⁴ : Applicative F
F✝ G✝ : Type u_1 → Type u_1
inst✝³ : Applicative F✝
inst✝² : Applicative G✝
inst✝¹ : LawfulApplicative F✝
inst✝ : LawfulApplicative G✝
α✝ α'✝ β✝ β'✝ γ✝ γ'✝ : Type u_1
f✝ : β✝ → F✝ γ✝
f'✝ : β'✝ → F✝ γ'✝
g✝ : α✝ → G✝ β✝
g'✝ : α'✝ → G✝ β'✝
x✝ : α✝
⊢ bitraverse (Comp.mk ∘ map f✝ ∘ g✝) (Comp.mk ∘ map f'✝ ∘ g'✝) (Sum.inl x✝) =
    Comp.mk (bitraverse f✝ f'✝ <$> bitraverse g✝ g'✝ (Sum.inl x✝))

Tactic:
simp [bitraverse, Sum.bitraverse, functor_norm]

Goal state after:
Module: Mathlib.Control.Bitraversable.Instances

Goal state before:
pp: case comp_bitraverse.inr
t : Type u → Type u → Type u
inst✝⁵ : Bitraversable t
F : Type u → Type u
inst✝⁴ : Applicative F
F✝ G✝ : Type u_1 → Type u_1
inst✝³ : Applicative F✝
inst✝² : Applicative G✝
inst✝¹ : LawfulApplicative F✝
inst✝ : LawfulApplicative G✝
α✝ α'✝ β✝ β'✝ γ✝ γ'✝ : Type u_1
f✝ : β✝ → F✝ γ✝
f'✝ : β'✝ → F✝ γ'✝
g✝ : α✝ → G✝ β✝
g'✝ : α'✝ → G✝ β'✝
x✝ : α'✝
⊢ bitraverse (Comp.mk ∘ map f✝ ∘ g✝) (Comp.mk ∘ map f'✝ ∘ g'✝) (Sum.inr x✝) =
    Comp.mk (bitraverse f✝ f'✝ <$> bitraverse g✝ g'✝ (Sum.inr x✝))

Tactic:
simp [bitraverse, Sum.bitraverse, functor_norm]

Goal state after:
Module: Mathlib.Control.Bitraversable.Instances

Goal state before:
pp: case bitraverse_eq_bimap_id.inl
t : Type u → Type u → Type u
inst✝¹ : Bitraversable t
F : Type u → Type u
inst✝ : Applicative F
α✝ α'✝ β✝ β'✝ : Type u_1
f✝ : α✝ → β✝
f'✝ : α'✝ → β'✝
x✝ : α✝
⊢ bitraverse (pure ∘ f✝) (pure ∘ f'✝) (Sum.inl x✝) = pure (bimap f✝ f'✝ (Sum.inl x✝))

Tactic:
simp [bitraverse, Sum.bitraverse, functor_norm]

Goal state after:
case bitraverse_eq_bimap_id.inl
t : Type u → Type u → Type u
inst✝¹ : Bitraversable t
F : Type u → Type u
inst✝ : Applicative F
α✝ α'✝ β✝ β'✝ : Type u_1
f✝ : α✝ → β✝
f'✝ : α'✝ → β'✝
x✝ : α✝
⊢ pure (Sum.inl (f✝ x✝)) = pure (bimap f✝ f'✝ (Sum.inl x✝))