mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.CategoryTheory.Limits.FunctorCategory.Basic

Goal state before:
pp: C : Type u
inst✝³ : Category.{v, u} C
J : Type u₁
inst✝² : Category.{v₁, u₁} J
K : Type u₂
inst✝¹ : Category.{v₂, u₂} K
H : J ⥤ K ⥤ C
inst✝ : HasColimitsOfShape J C
k : K
W : C
f g : (colimit H).obj k ⟶ W
w : ∀ (j : J), (colimit.ι H j).app k ≫ f = (colimit.ι H j).app k ≫ g
⊢ f = g

Tactic:
apply (cancel_epi (colimitObjIsoColimitCompEvaluation H k).inv).1
  ext j
  simpa using w j

Goal state after:
Module: Mathlib.Algebra.Category.Grp.Limits

Goal state before:
pp: J : Type v
inst✝ : Category.{w, v} J
G H : AddCommGrpCat
f : G ⟶ H
x : ↑(of ↥(Hom.hom f).ker)
⊢ (Hom.hom (ofHom (Hom.hom f).ker.subtype ≫ f)) x = (Hom.hom 0) x

Tactic:
exact x.2

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Transport

Goal state before:
pp: C : Type u₁
inst✝⁴ : Category.{v₁, u₁} C
inst✝³ : MonoidalCategory C
D : Type u₂
inst✝² : Category.{v₂, u₂} D
inst✝¹ : MonoidalCategoryStruct D
F : D ⥤ C
inst✝ : F.Faithful
fData : InducingFunctorData F
X₁ X₂ X₃ Y₁ Y₂ Y₃ : D
f₁ : X₁ ⟶ Y₁
f₂ : X₂ ⟶ Y₂
f₃ : X₃ ⟶ Y₃
⊢ F.map (((f₁ ⊗ₘ f₂) ⊗ₘ f₃) ≫ (α_ Y₁ Y₂ Y₃).hom) = F.map ((α_ X₁ X₂ X₃).hom ≫ (f₁ ⊗ₘ f₂ ⊗ₘ f₃))

Tactic:
simp [fData.tensorHom_eq, fData.associator_eq, tensorHom_def, whisker_exchange_assoc]

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Preadditive

Goal state before:
pp: C : Type u_1
inst✝⁵ : Category.{v_1, u_1} C
inst✝⁴ : Preadditive C
inst✝³ : MonoidalCategory C
inst✝² : MonoidalPreadditive C
inst✝¹ : HasFiniteBiproducts C
J : Type
inst✝ : Finite J
f : J → C
X : C
j : J
⊢ biproduct.ι (fun j ↦ f j ⊗ X) j ≫ (rightDistributor f X).inv = biproduct.ι f j ▷ X

Tactic:
classical
  cases nonempty_fintype J
  simp [rightDistributor_inv, Preadditive.comp_sum, biproduct.ι_π_assoc,
    dite_comp]

Goal state after:
Module: Mathlib.CategoryTheory.ConcreteCategory.EpiMono

Goal state before:
pp: C : Type u
inst✝³ : Category.{v, u} C
FC : C → C → Type u_1
CC : C → Type w
inst✝² : (X Y : C) → FunLike (FC X Y) (CC X) (CC Y)
inst✝¹ : ConcreteCategory C FC
inst✝ : (forget C).ReflectsIsomorphisms
X Y : C
f : X ⟶ Y
h : IsIso (↾⇑(hom f))
⊢ IsIso f

Tactic:
have : IsIso ((forget C).map f) := h

Goal state after:
C : Type u
inst✝³ : Category.{v, u} C
FC : C → C → Type u_1
CC : C → Type w
inst✝² : (X Y : C) → FunLike (FC X Y) (CC X) (CC Y)
inst✝¹ : ConcreteCategory C FC
inst✝ : (forget C).ReflectsIsomorphisms
X Y : C
f : X ⟶ Y
h : IsIso (↾⇑(hom f))
this : IsIso ((forget C).map f)
⊢ IsIso f
Module: Mathlib.CategoryTheory.Monoidal.Braided.Basic

Goal state before:
pp: C : Type u₁
inst✝⁶ : Category.{v₁, u₁} C
inst✝⁵ : MonoidalCategory C
inst✝⁴ : BraidedCategory C
D : Type u₂
inst✝³ : Category.{v₂, u₂} D
inst✝² : MonoidalCategory D
inst✝¹ : BraidedCategory D
F : C ⥤ D
X Y : C
inst✝ : F.Braided
⊢ F.map (β_ X Y).hom = δ F X Y ≫ (β_ (F.obj X) (F.obj Y)).hom ≫ μ F Y X

Tactic:
by
  rw [← Functor.Braided.braided, δ_μ_assoc]

Goal state after:
Module: Mathlib.CategoryTheory.Adjunction.Mates

Goal state before:
pp: C : Type u₁
D : Type u₂
E : Type u₃
F : Type u₄
inst✝³ : Category.{v₁, u₁} C
inst✝² : Category.{v₂, u₂} D
inst✝¹ : Category.{v₃, u₃} E
inst✝ : Category.{v₄, u₄} F
G : C ⥤ E
H : D ⥤ F
L₁ : C ⥤ D
R₁ : D ⥤ C
L₂ : E ⥤ F
R₂ : F ⥤ E
adj₁ : L₁ ⊣ R₁
adj₂ : L₂ ⊣ R₂
α : TwoSquare G L₁ L₂ H
c : C
⊢ G.map (adj₁.unit.app c) ≫
      adj₂.unit.app (G.obj (R₁.obj (L₁.obj c))) ≫
        R₂.map (α.natTrans.app (R₁.obj (L₁.obj c))) ≫ R₂.map (H.map (adj₁.counit.app (L₁.obj c))) =
    adj₂.unit.app (G.obj c) ≫ R₂.map (α.app c)

Tactic:
← adj₂.unit_naturality_assoc

Goal state after:
C : Type u₁
D : Type u₂
E : Type u₃
F : Type u₄
inst✝³ : Category.{v₁, u₁} C
inst✝² : Category.{v₂, u₂} D
inst✝¹ : Category.{v₃, u₃} E
inst✝ : Category.{v₄, u₄} F
G : C ⥤ E
H : D ⥤ F
L₁ : C ⥤ D
R₁ : D ⥤ C
L₂ : E ⥤ F
R₂ : F ⥤ E
adj₁ : L₁ ⊣ R₁
adj₂ : L₂ ⊣ R₂
α : TwoSquare G L₁ L₂ H
c : C
⊢ adj₂.unit.app (G.obj c) ≫
      R₂.map (L₂.map (G.map (adj₁.unit.app c))) ≫
        R₂.map (α.natTrans.app (R₁.obj (L₁.obj c))) ≫ R₂.map (H.map (adj₁.counit.app (L₁.obj c))) =
    adj₂.unit.app (G.obj c) ≫ R₂.map (α.app c)
Module: Mathlib.RingTheory.Congruence.Hom

Goal state before:
pp: case add
M : Type u_1
N : Type u_2
inst✝¹ : NonAssocSemiring M
inst✝ : NonAssocSemiring N
c : RingCon M
f : M →+* N
h : ker f ≤ c
hf : Surjective ⇑f
this : Equivalence (Relation.Map ⇑c.toSetoid ⇑f ⇑f)
i✝¹ i✝ w✝ x✝ y✝ z✝ : N
a✝¹ : RingConGen.Rel (Relation.Map ⇑c ⇑f ⇑f) w✝ x✝
a✝ : RingConGen.Rel (Relation.Map ⇑c ⇑f ⇑f) y✝ z✝
h₁ : Relation.Map (⇑c) (⇑f) (⇑f) w✝ x✝
h₂ : Relation.Map (⇑c) (⇑f) (⇑f) y✝ z✝
⊢ Relation.Map (⇑c) (⇑f) (⇑f) (w✝ + y✝) (x✝ + z✝)

Tactic:
rcases h₁ with ⟨a, b, h1, rfl, rfl⟩
    rcases h₂ with ⟨p, q, h2, rfl, rfl⟩
    exact ⟨a + p, b + q, c.add h1 h2, map_add f _ _, map_add f _ _⟩

Goal state after:
Module: Mathlib.LinearAlgebra.TensorAlgebra.Basic

Goal state before:
pp: R : Type u_1
inst✝² : CommSemiring R
M : Type u_2
inst✝¹ : AddCommMonoid M
inst✝ : Module R M
r : R
x : M
⊢ ↑(FreeAlgebra.ι R (r • x)) = (RingHom.id R) r • ↑(FreeAlgebra.ι R x)

Tactic:
by
      rw [← RingCon.coe_smul]
      exact Quotient.sound <| RingConGen.Rel.of _ _ <| Rel.smul

Goal state after:
Module: Mathlib.Algebra.Category.AlgCat.TensorAlgebra

Goal state before:
pp: R : Type u
inst✝ : CommRing R
⊢ (forget₂ RingCat AddCommGrpCat).IsRightAdjoint

Tactic:
rw [← Functor.isRightAdjoint_comp_iff_right (forget₂ (AlgCat.{u} ℤ) RingCat.{u})]

Goal state after:
R : Type u
inst✝ : CommRing R
⊢ (forget₂ (AlgCat ℤ) RingCat ⋙ forget₂ RingCat AddCommGrpCat).IsRightAdjoint
Module: Mathlib.CategoryTheory.Adjunction.Mates

Goal state before:
pp: C : Type u₁
D : Type u₂
inst✝¹ : Category.{v₁, u₁} C
inst✝ : Category.{v₂, u₂} D
L₁ L₂ : C ⥤ D
R₁ R₂ : D ⥤ C
adj₁ : L₁ ⊣ R₁
adj₂ : L₂ ⊣ R₂
α : R₁ ⟶ R₂
d : D
⊢ L₂.map (α.app d) ≫ adj₂.counit.app d = ((conjugateEquiv adj₁ adj₂).symm α).app (R₁.obj d) ≫ adj₁.counit.app d

Tactic:
by
    conv_lhs => rw [← (conjugateEquiv adj₁ adj₂).right_inv α]
    exact (conjugateEquiv_counit adj₁ adj₂ ((conjugateEquiv adj₁ adj₂).symm α) d)

Goal state after:
Module: Mathlib.Algebra.TrivSqZeroExt.Basic

Goal state before:
pp: S : Type u_1
R R' : Type u
M : Type v
inst✝¹³ : CommSemiring S
inst✝¹² : Semiring R
inst✝¹¹ : CommSemiring R'
inst✝¹⁰ : AddCommMonoid M
inst✝⁹ : Algebra S R
inst✝⁸ : Module S M
inst✝⁷ : Module R M
inst✝⁶ : Module Rᵐᵒᵖ M
inst✝⁵ : SMulCommClass R Rᵐᵒᵖ M
inst✝⁴ : IsScalarTower S R M
inst✝³ : IsScalarTower S Rᵐᵒᵖ M
inst✝² : Module R' M
inst✝¹ : Module R'ᵐᵒᵖ M
inst✝ : IsCentralScalar R' M
s : S
x : failed to pretty print expression (use 'set_option pp.rawOnError true' for raw representation)
⊢ (algebraMap S R) s •> x.snd + 0 <• x.fst = x.fst •> 0 + x.snd <• (algebraMap S R) s

Tactic:
rw [smul_zero, smul_zero, add_zero, zero_add]
        rw [Algebra.algebraMap_eq_smul_one, MulOpposite.op_smul, op_one, smul_assoc,
          one_smul, smul_assoc, one_smul]

Goal state after:
Module: Mathlib.CategoryTheory.Category.Bipointed

Goal state before:
pp: X Y Z : Bipointed
f : X.Hom Y
g : Y.Hom Z
⊢ (g.toFun ∘ f.toFun) X.toProd.2 = Z.toProd.2

Tactic:
by
    rw [Function.comp_apply, f.map_snd, g.map_snd]

Goal state after:
Module: Mathlib.RingTheory.Coalgebra.CoassocSimps

Goal state before:
pp: R : Type u_1
M : Type u_3
N : Type u_4
Q : Type u_9
inst✝⁷ : CommSemiring R
inst✝⁶ : AddCommMonoid M
inst✝⁵ : Module R M
inst✝⁴ : AddCommMonoid N
inst✝³ : Module R N
inst✝² : AddCommMonoid Q
inst✝¹ : Module R Q
inst✝ : Coalgebra R M
f : M →ₗ[R] N
h : Q →ₗ[R] M
⊢ α ∘ₗ (β ∘ₗ δ) ⊗ₘ f ∘ₗ δ ∘ₗ h = LinearMap.id ⊗ₘ (LinearMap.id ⊗ₘ f ∘ₗ β) ∘ₗ α ∘ₗ δ ⊗ₘ LinearMap.id ∘ₗ β ∘ₗ δ ∘ₗ h

Tactic:
simp_rw [← LinearMap.comp_assoc]
  congr 1
  simp only [coassoc_simps]

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Comon_

Goal state before:
pp: C : Type u₁
inst✝¹⁰ : Category.{v₁, u₁} C
inst✝⁹ : MonoidalCategory C
M N O : C
inst✝⁸ : ComonObj M
inst✝⁷ : ComonObj N
inst✝⁶ : ComonObj O
D : Type u₂
inst✝⁵ : Category.{v₂, u₂} D
inst✝⁴ : MonoidalCategory D
F : C ⥤ D
inst✝³ : F.OplaxMonoidal
X Y : C
inst✝² : ComonObj X
inst✝¹ : ComonObj Y
f : X ⟶ Y
inst✝ : IsComonHom f
⊢ F.map (f ≫ ε) ≫ η F = F.map ε ≫ η F

Tactic:
hom_counit

Goal state after:
C : Type u₁
inst✝¹⁰ : Category.{v₁, u₁} C
inst✝⁹ : MonoidalCategory C
M N O : C
inst✝⁸ : ComonObj M
inst✝⁷ : ComonObj N
inst✝⁶ : ComonObj O
D : Type u₂
inst✝⁵ : Category.{v₂, u₂} D
inst✝⁴ : MonoidalCategory D
F : C ⥤ D
inst✝³ : F.OplaxMonoidal
X Y : C
inst✝² : ComonObj X
inst✝¹ : ComonObj Y
f : X ⟶ Y
inst✝ : IsComonHom f
⊢ F.map ε ≫ η F = F.map ε ≫ η F
Module: Mathlib.Algebra.Category.Ring.Adjunctions

Goal state before:
pp: R : CommRingCat
S : Under R
⊢ { app := fun G ↦ CommMonCat.ofHom (MonoidAlgebra.of ↑R ↑G), naturality := ⋯ }.app
        ((Under.forget R ⋙ forget₂ CommRingCat CommMonCat).obj S) ≫
      (Under.forget R ⋙ forget₂ CommRingCat CommMonCat).map
        ({
              app := fun S ↦
                Under.homMk
                  (ofHom
                    (MonoidAlgebra.liftNCRingHom (Hom.hom S.hom)
                      (MonoidHom.id ↑((Under.forget R ⋙ forget₂ CommRingCat CommMonCat).obj S)) ⋯))
                  ⋯,
              naturality := ⋯ }.app
          S) =
    𝟙 ((Under.forget R ⋙ forget₂ CommRingCat CommMonCat).obj S)

Tactic:
dsimp; ext; simp [MonoidAlgebra.liftNCRingHom]

Goal state after:
Module: Mathlib.RingTheory.UniqueFactorizationDomain.Multiplicity

Goal state before:
pp: case neg
R : Type u_2
inst✝¹ : CommMonoidWithZero R
inst✝ : UniqueFactorizationMonoid R
a b : R
n : ℕ
hn : n ≠ 0
ha : ¬a = 0
H : ∀ (p : R), Prime p → emultiplicity p (a ^ n) ≤ emultiplicity p (b ^ n)
p : R
hp : Prime p
this : emultiplicity p (a ^ n) ≤ emultiplicity p (b ^ n)
⊢ emultiplicity p a ≤ emultiplicity p b

Tactic:
emultiplicity_pow hp,

Goal state after:
case neg
R : Type u_2
inst✝¹ : CommMonoidWithZero R
inst✝ : UniqueFactorizationMonoid R
a b : R
n : ℕ
hn : n ≠ 0
ha : ¬a = 0
H : ∀ (p : R), Prime p → emultiplicity p (a ^ n) ≤ emultiplicity p (b ^ n)
p : R
hp : Prime p
this : ↑n * emultiplicity p a ≤ emultiplicity p (b ^ n)
⊢ emultiplicity p a ≤ emultiplicity p b
Module: Mathlib.RingTheory.UniqueFactorizationDomain.Multiplicity

Goal state before:
pp: case neg
R : Type u_2
inst✝¹ : CommMonoidWithZero R
inst✝ : UniqueFactorizationMonoid R
a b : R
n : ℕ
hn : n ≠ 0
ha : ¬a = 0
H : ∀ (p : R), Prime p → emultiplicity p (a ^ n) ≤ emultiplicity p (b ^ n)
p : R
hp : Prime p
this : ↑n * emultiplicity p a ≤ emultiplicity p (b ^ n)
⊢ emultiplicity p a ≤ emultiplicity p b

Tactic:
emultiplicity_pow hp,

Goal state after:
case neg
R : Type u_2
inst✝¹ : CommMonoidWithZero R
inst✝ : UniqueFactorizationMonoid R
a b : R
n : ℕ
hn : n ≠ 0
ha : ¬a = 0
H : ∀ (p : R), Prime p → emultiplicity p (a ^ n) ≤ emultiplicity p (b ^ n)
p : R
hp : Prime p
this : ↑n * emultiplicity p a ≤ ↑n * emultiplicity p b
⊢ emultiplicity p a ≤ emultiplicity p b
Module: Mathlib.RingTheory.Jacobson.Ideal

Goal state before:
pp: case mpr.inl
R : Type u
inst✝ : Ring R
I✝ : Ideal R
M : Set (Ideal R)
hM : ∀ J ∈ M, J.IsMaximal ∨ J = ⊤
hInf : I✝ = sInf M
x : R
hx : x ∈ I✝.jacobson
I : Ideal R
hI : I ∈ M
is_max : I.IsMaximal
⊢ x ∈ I

pp: case mpr.inr
R : Type u
inst✝ : Ring R
I✝ : Ideal R
M : Set (Ideal R)
hM : ∀ J ∈ M, J.IsMaximal ∨ J = ⊤
hInf : I✝ = sInf M
x : R
hx : x ∈ I✝.jacobson
I : Ideal R
hI : I ∈ M
is_top : I = ⊤
⊢ x ∈ I

Tactic:
· exact (mem_sInf.1 hx) ⟨le_sInf_iff.1 (le_of_eq hInf) I hI, is_max⟩

Goal state after:
case mpr.inr
R : Type u
inst✝ : Ring R
I✝ : Ideal R
M : Set (Ideal R)
hM : ∀ J ∈ M, J.IsMaximal ∨ J = ⊤
hInf : I✝ = sInf M
x : R
hx : x ∈ I✝.jacobson
I : Ideal R
hI : I ∈ M
is_top : I = ⊤
⊢ x ∈ I
Module: Mathlib.RingTheory.Localization.Away.Basic

Goal state before:
pp: R : Type u_1
inst✝¹ : CommSemiring R
S : Type u_2
inst✝ : CommSemiring S
f : R →+* S
a b : R
h : a ∣ b
H : Function.Surjective ⇑(awayMap f a)
⊢ Function.Surjective ⇑(awayMap f b)

Tactic:
simp only [awayMap_surjective_iff] at H ⊢

Goal state after:
R : Type u_1
inst✝¹ : CommSemiring R
S : Type u_2
inst✝ : CommSemiring S
f : R →+* S
a b : R
h : a ∣ b
H : ∀ (a_1 : S), ∃ b m, f b = f a ^ m * a_1
⊢ ∀ (a : S), ∃ b_1 m, f b_1 = f b ^ m * a
Module: Mathlib.RingTheory.Localization.Away.Basic

Goal state before:
pp: case inr
R : Type u_1
inst✝ : CommSemiring R
s : Set R
f : (a : ↑s) → Away ↑a
h : ∀ (a b : ↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem : 1 ∈ Ideal.span s
this :
  ∀ (s : Set R) (f : (a : ↑s) → Away ↑a),
    (∀ (a b : ↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)) →
      1 ∈ Ideal.span s → (∃ t, ↑t = s) → ∃! r, ∀ (a : ↑s), (algebraMap R (Away ↑a)) r = f a
finset_eq : ¬∃ t, ↑t = s
⊢ ∃! r, ∀ (a : ↑s), (algebraMap R (Away ↑a)) r = f a

Tactic:
have ⟨t, hts, mem⟩ := Submodule.mem_span_finite_of_mem_span mem

Goal state after:
case inr
R : Type u_1
inst✝ : CommSemiring R
s : Set R
f : (a : ↑s) → Away ↑a
h : ∀ (a b : ↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem✝ : 1 ∈ Ideal.span s
this :
  ∀ (s : Set R) (f : (a : ↑s) → Away ↑a),
    (∀ (a b : ↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)) →
      1 ∈ Ideal.span s → (∃ t, ↑t = s) → ∃! r, ∀ (a : ↑s), (algebraMap R (Away ↑a)) r = f a
finset_eq : ¬∃ t, ↑t = s
t : Finset R
hts : ↑t ⊆ s
mem : 1 ∈ Submodule.span R ↑t
⊢ ∃! r, ∀ (a : ↑s), (algebraMap R (Away ↑a)) r = f a
Module: Mathlib.RingTheory.Jacobson.Ideal

Goal state before:
pp: case refine_1
R : Type u
S : Type v
inst✝¹ : Ring R
inst✝ : Ring S
f : R →+* S
hf : Function.Surjective ⇑f
K : Ideal S
⊢ comap f (sInf {J | K ≤ J ∧ J.IsMaximal}) ≤ sInf {J | comap f K ≤ J ∧ J.IsMaximal}

Tactic:
rw [← top_inf_eq (sInf _), ← sInf_insert, comap_sInf', sInf_eq_iInf]

Goal state after:
case refine_1
R : Type u
S : Type v
inst✝¹ : Ring R
inst✝ : Ring S
f : R →+* S
hf : Function.Surjective ⇑f
K : Ideal S
⊢ ⨅ I ∈ comap f '' insert ⊤ {J | K ≤ J ∧ J.IsMaximal}, I ≤ ⨅ a ∈ {J | comap f K ≤ J ∧ J.IsMaximal}, a
Module: Mathlib.RingTheory.Localization.Away.Basic

Goal state before:
pp: R : Type u_1
inst✝ : CommSemiring R
s : Finset R
f : (a : ↑↑s) → Away ↑a
h : ∀ (a b : ↑↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem : 1 ∈ Ideal.span ↑s
span_eq : Ideal.span ↑s = ⊤
n : ↑↑s → ℕ
r✝ : ↑↑s → R
eq✝ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) ↑a ^ n a = (algebraMap R (Away ↑a)) (r✝ a)
N : ℕ := s.attach.sup n
r : ↑↑s → R := fun a ↦ ↑a ^ (N - n a) * r✝ a
eq : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N) = (algebraMap R (Away ↑a)) (r a)
eq2 : ∀ (a b : ↑↑s), ∃ N', (↑a * ↑b) ^ N' * (r a * ↑b ^ N) = (↑a * ↑b) ^ N' * (r b * ↑a ^ N)
⊢ ∃ x, ∀ (a : ↑↑s), (algebraMap R (Away ↑a)) x = f a

Tactic:
choose N' hN' using eq2

Goal state after:
R : Type u_1
inst✝ : CommSemiring R
s : Finset R
f : (a : ↑↑s) → Away ↑a
h : ∀ (a b : ↑↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem : 1 ∈ Ideal.span ↑s
span_eq : Ideal.span ↑s = ⊤
n : ↑↑s → ℕ
r✝ : ↑↑s → R
eq✝ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) ↑a ^ n a = (algebraMap R (Away ↑a)) (r✝ a)
N : ℕ := s.attach.sup n
r : ↑↑s → R := fun a ↦ ↑a ^ (N - n a) * r✝ a
eq : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N) = (algebraMap R (Away ↑a)) (r a)
N' : ↑↑s → ↑↑s → ℕ
hN' : ∀ (a b : ↑↑s), (↑a * ↑b) ^ N' a b * (r a * ↑b ^ N) = (↑a * ↑b) ^ N' a b * (r b * ↑a ^ N)
⊢ ∃ x, ∀ (a : ↑↑s), (algebraMap R (Away ↑a)) x = f a
Module: Mathlib.RingTheory.Localization.Away.Basic

Goal state before:
pp: R : Type u_1
inst✝ : CommSemiring R
s : Finset R
f : (a : ↑↑s) → Away ↑a
h : ∀ (a b : ↑↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem : 1 ∈ Ideal.span ↑s
span_eq : Ideal.span ↑s = ⊤
n : ↑↑s → ℕ
r✝¹ : ↑↑s → R
eq✝¹ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) ↑a ^ n a = (algebraMap R (Away ↑a)) (r✝¹ a)
N✝ : ℕ := s.attach.sup n
r✝ : ↑↑s → R := fun a ↦ ↑a ^ (N✝ - n a) * r✝¹ a
eq✝ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N✝) = (algebraMap R (Away ↑a)) (r✝ a)
N'✝ : ↑↑s → ↑↑s → ℕ
hN' : ∀ (a b : ↑↑s), (↑a * ↑b) ^ N'✝ a b * (r✝ a * ↑b ^ N✝) = (↑a * ↑b) ^ N'✝ a b * (r✝ b * ↑a ^ N✝)
N' : ℕ := (s ×ˢ s).attach.sup fun a ↦ N'✝ ⟨(↑a).1, ⋯⟩ ⟨(↑a).2, ⋯⟩
eq2 : ∀ (a b : ↑↑s), (↑a * ↑b) ^ N' * (r✝ a * ↑b ^ N✝) = (↑a * ↑b) ^ N' * (r✝ b * ↑a ^ N✝)
N : ℕ := N' + N✝
r : ↑↑s → R := fun a ↦ ↑a ^ N' * r✝ a
eq : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N) = (algebraMap R (Away ↑a)) (r a)
a b : ↑↑s
⊢ ↑a ^ N' * ↑b ^ N' * (r✝ a * ↑b ^ N✝) = r b * ↑a ^ N

Tactic:
← mul_pow,

Goal state after:
R : Type u_1
inst✝ : CommSemiring R
s : Finset R
f : (a : ↑↑s) → Away ↑a
h : ∀ (a b : ↑↑s), (Away.awayToAwayRight ↑a ↑b) (f a) = (Away.awayToAwayLeft ↑b ↑a) (f b)
mem : 1 ∈ Ideal.span ↑s
span_eq : Ideal.span ↑s = ⊤
n : ↑↑s → ℕ
r✝¹ : ↑↑s → R
eq✝¹ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) ↑a ^ n a = (algebraMap R (Away ↑a)) (r✝¹ a)
N✝ : ℕ := s.attach.sup n
r✝ : ↑↑s → R := fun a ↦ ↑a ^ (N✝ - n a) * r✝¹ a
eq✝ : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N✝) = (algebraMap R (Away ↑a)) (r✝ a)
N'✝ : ↑↑s → ↑↑s → ℕ
hN' : ∀ (a b : ↑↑s), (↑a * ↑b) ^ N'✝ a b * (r✝ a * ↑b ^ N✝) = (↑a * ↑b) ^ N'✝ a b * (r✝ b * ↑a ^ N✝)
N' : ℕ := (s ×ˢ s).attach.sup fun a ↦ N'✝ ⟨(↑a).1, ⋯⟩ ⟨(↑a).2, ⋯⟩
eq2 : ∀ (a b : ↑↑s), (↑a * ↑b) ^ N' * (r✝ a * ↑b ^ N✝) = (↑a * ↑b) ^ N' * (r✝ b * ↑a ^ N✝)
N : ℕ := N' + N✝
r : ↑↑s → R := fun a ↦ ↑a ^ N' * r✝ a
eq : ∀ (a : ↑↑s), f a * (algebraMap R (Away ↑a)) (↑a ^ N) = (algebraMap R (Away ↑a)) (r a)
a b : ↑↑s
⊢ (↑a * ↑b) ^ N' * (r✝ a * ↑b ^ N✝) = r b * ↑a ^ N
Module: Mathlib.RingTheory.Localization.Module

Goal state before:
pp: case h
R : Type u_1
inst✝⁵ : CommSemiring R
S : Submonoid R
M : Type u_3
Mₛ : Type u_4
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : AddCommMonoid Mₛ
inst✝¹ : Module R Mₛ
f : M →ₗ[R] Mₛ
inst✝ : IsLocalizedModule S f
ι : Type u_5
v : ι → Mₛ
hf : ∀ (s : Finset ι) (f g : ι → R), ∑ i ∈ s, f i • v i = ∑ i ∈ s, g i • v i → ∀ i ∈ s, f i = g i
h✝ : Nonempty ι
inj : Function.Injective fun r ↦ r • v (Classical.arbitrary ι)
sec : Mₛ → M × ↥S
hsec : ∀ (y : Mₛ), (sec y).2 • y = f (sec y).1
t : Finset ι
g g' : ι → R
eq : ∑ i ∈ t, g i • (sec (v i)).1 = ∑ i ∈ t, g' i • (sec (v i)).1
i : ι
hit : i ∈ t
⊢ ∑ x ∈ t, g x • ↑(sec (v x)).2 • v x = ∑ x ∈ t, g' x • ↑(sec (v x)).2 • v x

Tactic:
← Submonoid.smul_def,

Goal state after:
case h
R : Type u_1
inst✝⁵ : CommSemiring R
S : Submonoid R
M : Type u_3
Mₛ : Type u_4
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : AddCommMonoid Mₛ
inst✝¹ : Module R Mₛ
f : M →ₗ[R] Mₛ
inst✝ : IsLocalizedModule S f
ι : Type u_5
v : ι → Mₛ
hf : ∀ (s : Finset ι) (f g : ι → R), ∑ i ∈ s, f i • v i = ∑ i ∈ s, g i • v i → ∀ i ∈ s, f i = g i
h✝ : Nonempty ι
inj : Function.Injective fun r ↦ r • v (Classical.arbitrary ι)
sec : Mₛ → M × ↥S
hsec : ∀ (y : Mₛ), (sec y).2 • y = f (sec y).1
t : Finset ι
g g' : ι → R
eq : ∑ i ∈ t, g i • (sec (v i)).1 = ∑ i ∈ t, g' i • (sec (v i)).1
i : ι
hit : i ∈ t
⊢ ∑ x ∈ t, g x • (sec (v x)).2 • v x = ∑ x ∈ t, g' x • (sec (v x)).2 • v x
Module: Mathlib.CategoryTheory.Monoidal.Mon

Goal state before:
pp: C : Type u₁
inst✝¹⁰ : Category.{v₁, u₁} C
inst✝⁹ : MonoidalCategory C
M N O X✝ : C
inst✝⁸ : MonObj M
inst✝⁷ : MonObj N
inst✝⁶ : MonObj O
inst✝⁵ : BraidedCategory C
X Y Z W : C
inst✝⁴ : MonObj X
inst✝³ : MonObj Y
inst✝² : MonObj Z
inst✝¹ : MonObj W
f : Y ⟶ Z
inst✝ : IsMonHom f
⊢ η ≫ X ◁ f = η

Tactic:
simpa using ((inferInstance : IsMonHom (𝟙 X ⊗ₘ f))).one_hom

Goal state after:
Module: Mathlib.RingTheory.Localization.Module

Goal state before:
pp: R : Type u_1
Rₛ : Type u_2
inst✝¹⁰ : CommSemiring R
S : Submonoid R
inst✝⁹ : CommSemiring Rₛ
inst✝⁸ : Algebra R Rₛ
inst✝⁷ : IsLocalization S Rₛ
M : Type u_3
Mₛ : Type u_4
inst✝⁶ : AddCommMonoid M
inst✝⁵ : Module R M
inst✝⁴ : AddCommMonoid Mₛ
inst✝³ : Module R Mₛ
inst✝² : Module Rₛ Mₛ
inst✝¹ : IsScalarTower R Rₛ Mₛ
f : M →ₗ[R] Mₛ
inst✝ : IsLocalizedModule S f
ι : Type u_5
b : Basis ι R M
⊢ map f (span R (Set.range ⇑b)) = f.range

Tactic:
b.span_eq,

Goal state after:
R : Type u_1
Rₛ : Type u_2
inst✝¹⁰ : CommSemiring R
S : Submonoid R
inst✝⁹ : CommSemiring Rₛ
inst✝⁸ : Algebra R Rₛ
inst✝⁷ : IsLocalization S Rₛ
M : Type u_3
Mₛ : Type u_4
inst✝⁶ : AddCommMonoid M
inst✝⁵ : Module R M
inst✝⁴ : AddCommMonoid Mₛ
inst✝³ : Module R Mₛ
inst✝² : Module Rₛ Mₛ
inst✝¹ : IsScalarTower R Rₛ Mₛ
f : M →ₗ[R] Mₛ
inst✝ : IsLocalizedModule S f
ι : Type u_5
b : Basis ι R M
⊢ map f ⊤ = f.range
Module: Mathlib.CategoryTheory.Monoidal.Mon

Goal state before:
pp: C : Type u₁
inst✝¹¹ : Category.{v₁, u₁} C
inst✝¹⁰ : MonoidalCategory C
M✝ N✝ O X : C
inst✝⁹ : MonObj M✝
inst✝⁸ : MonObj N✝
inst✝⁷ : MonObj O
D : Type u₂
inst✝⁶ : Category.{v₂, u₂} D
inst✝⁵ : MonoidalCategory D
E : Type u₃
inst✝⁴ : Category.{v₃, u₃} E
inst✝³ : MonoidalCategory E
F F' : C ⥤ D
G : D ⥤ E
inst✝² : SymmetricCategory C
inst✝¹ : SymmetricCategory D
inst✝ : F.LaxBraided
M N : Mon C
⊢ («μ» F.mapMon M N ≫ F.mapMon.map (β_ M N).hom).hom =
    ((β_ (F.mapMon.obj M) (F.mapMon.obj N)).hom ≫ «μ» F.mapMon N M).hom

Tactic:
exact Functor.LaxBraided.braided ..

Goal state after:
Module: Mathlib.CategoryTheory.Limits.Shapes.Pullback.Pasting

Goal state before:
pp: C : Type u
inst✝ : Category.{v, u} C
X₃ Y₁ Y₂ Y₃ : C
g₁ : Y₁ ⟶ Y₂
g₂ : Y₂ ⟶ Y₃
i₃ : X₃ ⟶ Y₃
t₂ : PullbackCone g₂ i₃
i₂ : t₂.pt ⟶ Y₂
t₁ : PullbackCone g₁ i₂
hi₂ : i₂ = t₂.fst
⊢ t₁.snd ≫ i₂ ≫ g₂ = t₁.snd ≫ t₂.fst ≫ g₂

Tactic:
← hi₂

Goal state after:
C : Type u
inst✝ : Category.{v, u} C
X₃ Y₁ Y₂ Y₃ : C
g₁ : Y₁ ⟶ Y₂
g₂ : Y₂ ⟶ Y₃
i₃ : X₃ ⟶ Y₃
t₂ : PullbackCone g₂ i₃
i₂ : t₂.pt ⟶ Y₂
t₁ : PullbackCone g₁ i₂
hi₂ : i₂ = t₂.fst
⊢ t₁.snd ≫ i₂ ≫ g₂ = t₁.snd ≫ i₂ ≫ g₂
Module: Mathlib.CategoryTheory.Limits.Shapes.Pullback.Pasting

Goal state before:
pp: C : Type u
inst✝ : Category.{v, u} C
X₃ Y₁ Y₂ Y₃ : C
g₁ : Y₁ ⟶ Y₂
g₂ : Y₂ ⟶ Y₃
i₃ : X₃ ⟶ Y₃
t₂ : PullbackCone g₂ i₃
i₂ : t₂.pt ⟶ Y₂
t₁ : PullbackCone g₁ i₂
hi₂ : i₂ = t₂.fst
H : IsLimit t₂
H' : IsLimit (t₂.pasteHoriz t₁ hi₂)
s : PullbackCone g₁ i₂
⊢ s.snd ≫ i₂ ≫ g₂ = s.snd ≫ t₂.fst ≫ g₂

Tactic:
← hi₂

Goal state after:
C : Type u
inst✝ : Category.{v, u} C
X₃ Y₁ Y₂ Y₃ : C
g₁ : Y₁ ⟶ Y₂
g₂ : Y₂ ⟶ Y₃
i₃ : X₃ ⟶ Y₃
t₂ : PullbackCone g₂ i₃
i₂ : t₂.pt ⟶ Y₂
t₁ : PullbackCone g₁ i₂
hi₂ : i₂ = t₂.fst
H : IsLimit t₂
H' : IsLimit (t₂.pasteHoriz t₁ hi₂)
s : PullbackCone g₁ i₂
⊢ s.snd ≫ i₂ ≫ g₂ = s.snd ≫ i₂ ≫ g₂
Module: Mathlib.CategoryTheory.Limits.Shapes.Pullback.Pasting

Goal state before:
pp: C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₂ ⟶ X₁
f₂ : X₃ ⟶ X₂
i₁ : Y₁ ⟶ X₁
t₁ : PullbackCone i₁ f₁
i₂ : t₁.pt ⟶ X₂
t₂ : PullbackCone i₂ f₂
hi₂ : i₂ = t₁.snd
⊢ t₂.fst ≫ t₁.snd ≫ f₁ = t₂.fst ≫ i₂ ≫ f₁

Tactic:
← hi₂

Goal state after:
C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₂ ⟶ X₁
f₂ : X₃ ⟶ X₂
i₁ : Y₁ ⟶ X₁
t₁ : PullbackCone i₁ f₁
i₂ : t₁.pt ⟶ X₂
t₂ : PullbackCone i₂ f₂
hi₂ : i₂ = t₁.snd
⊢ t₂.fst ≫ i₂ ≫ f₁ = t₂.fst ≫ i₂ ≫ f₁
Module: Mathlib.CategoryTheory.Limits.Shapes.Pullback.Pasting

Goal state before:
pp: C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₁ ⟶ X₂
f₂ : X₂ ⟶ X₃
i₁ : X₁ ⟶ Y₁
t₁ : PushoutCocone i₁ f₁
i₂ : X₂ ⟶ t₁.pt
t₂ : PushoutCocone i₂ f₂
hi₂ : i₂ = t₁.inr
⊢ f₁ ≫ t₁.inr ≫ t₂.inl = f₁ ≫ i₂ ≫ t₂.inl

Tactic:
← hi₂

Goal state after:
C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₁ ⟶ X₂
f₂ : X₂ ⟶ X₃
i₁ : X₁ ⟶ Y₁
t₁ : PushoutCocone i₁ f₁
i₂ : X₂ ⟶ t₁.pt
t₂ : PushoutCocone i₂ f₂
hi₂ : i₂ = t₁.inr
⊢ f₁ ≫ i₂ ≫ t₂.inl = f₁ ≫ i₂ ≫ t₂.inl
Module: Mathlib.CategoryTheory.Limits.Shapes.Pullback.Pasting

Goal state before:
pp: C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₁ ⟶ X₂
f₂ : X₂ ⟶ X₃
i₁ : X₁ ⟶ Y₁
t₁ : PushoutCocone i₁ f₁
i₂ : X₂ ⟶ t₁.pt
t₂ : PushoutCocone «i₂» f₂
hi₂ : «i₂» = t₁.inr
H : IsColimit t₁
H' : IsColimit t₂
s : PushoutCocone i₁ (f₁ ≫ f₂)
l₁ : t₁.pt ⟶ s.pt
hl₁ : t₁.inl ≫ l₁ = s.inl
hl₁' : t₁.inr ≫ l₁ = f₂ ≫ s.inr
⊢ «i₂» ≫ l₁ = f₂ ≫ s.inr

Tactic:
← hl₁',

Goal state after:
C : Type u
inst✝ : Category.{v, u} C
X₁ X₂ X₃ Y₁ : C
f₁ : X₁ ⟶ X₂
f₂ : X₂ ⟶ X₃
i₁ : X₁ ⟶ Y₁
t₁ : PushoutCocone i₁ f₁
i₂ : X₂ ⟶ t₁.pt
t₂ : PushoutCocone «i₂» f₂
hi₂ : «i₂» = t₁.inr
H : IsColimit t₁
H' : IsColimit t₂
s : PushoutCocone i₁ (f₁ ≫ f₂)
l₁ : t₁.pt ⟶ s.pt
hl₁ : t₁.inl ≫ l₁ = s.inl
hl₁' : t₁.inr ≫ l₁ = f₂ ≫ s.inr
⊢ «i₂» ≫ l₁ = t₁.inr ≫ l₁