mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.GroupTheory.SemidirectProduct

Goal state before:
pp: N : Type u_1
G : Type u_2
H : Type u_3
inst✝⁶ : Group N
inst✝⁵ : Group G
inst✝⁴ : Group H
φ : G →* MulAut N
N₁ : Type u_4
G₁ : Type u_5
N₂ : Type u_6
G₂ : Type u_7
inst✝³ : Group N₁
inst✝² : Group G₁
inst✝¹ : Group N₂
inst✝ : Group G₂
φ₁ : G₁ →* MulAut N₁
φ₂ : G₂ →* MulAut N₂
fn : N₁ ≃* N₂
fg : G₁ ≃* G₂
h : ∀ (g : G₁), MulEquiv.trans (φ₁ g) fn = fn.trans (φ₂ (fg g))
x✝ : G₁
⊢ MulEquiv.trans (φ₁ x✝) fn = fn.trans (((↑(MulAut.congr fn)).comp (φ₁.comp ↑fg.symm)) (fg x✝))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesMonomorphisms
this✝ : L.EssSurj
this : ∀ (W : D) (z : W ⟶ L.obj X), z ≫ L.map f = 0 → ∃ l, l ≫ L.map (kernel.ι f) = z
s : Fork (L.map f) 0
x✝¹ x✝ : s.pt ⟶ (KernelFork.map (Fork.ofι (kernel.ι f) ⋯) L).pt
h₁ : x✝¹ ≫ Fork.ι (KernelFork.map (Fork.ofι (kernel.ι f) ⋯) L) = s.ι
h₂ : x✝ ≫ Fork.ι (KernelFork.map (Fork.ofι (kernel.ι f) ⋯) L) = s.ι
⊢ x✝¹ = x✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
r : R
α : F ⟶ G
⊢ ∀ ⦃X Y : C⦄ (f : X ⟶ Y), F.map f ≫ (r • α.app Y) = (r • α.app X) ≫ G.map f

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (x y : R) (b : F ⟶ G), (x * y) • b = x • y • b

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (b : F ⟶ G), 1 • b = b

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (a : R), a • 0 = 0

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (a : R) (x y : F ⟶ G), a • (x + y) = a • x + a • y

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (r s : R) (x : F ⟶ G), (r + s) • x = r • x + s • x

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
F G : C ⥤ D
⊢ ∀ (x : F ⟶ G), 0 • x = 0

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
⊢ ∀ (X Y Z : C ⥤ D) (r : R) (f : X ⟶ Y) (g : Y ⟶ Z), (r • f) ≫ g = r • f ≫ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Linear.FunctorCategory

Goal state before:
pp: R : Type u_1
inst✝⁴ : Semiring R
C : Type u_2
D : Type u_3
inst✝³ : Category.{v_1, u_2} C
inst✝² : Category.{v_2, u_3} D
inst✝¹ : Preadditive D
inst✝ : Linear R D
⊢ ∀ (X Y Z : C ⥤ D) (f : X ⟶ Y) (r : R) (g : Y ⟶ Z), f ≫ (r • g) = r • f ≫ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesMonomorphisms
this✝ : L.EssSurj
W : D
w : W ⟶ L.obj X
hw : w ≫ L.map f = 0
this :
  ∀ (W : D) (w : W ⟶ L.obj X),
    w ≫ L.map f = 0 → (∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z) → ∃ l, l ≫ L.map (kernel.ι f) = w
hw' : ¬∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z
φ : P.isoModSerre.RightFraction (L.objPreimage W) X
hφ : L.map φ.s ≫ (L.objObjPreimageIso W).hom ≫ w = L.map φ.f
⊢ L.map φ.f ≫ L.map f = 0

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesMonomorphisms
this✝ : L.EssSurj
W : D
w : W ⟶ L.obj X
hw : w ≫ L.map f = 0
this :
  ∀ (W : D) (w : W ⟶ L.obj X),
    w ≫ L.map f = 0 → (∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z) → ∃ l, l ≫ L.map (kernel.ι f) = w
hw' : ¬∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z
φ : P.isoModSerre.RightFraction (L.objPreimage W) X
hφ : L.map φ.s ≫ (L.objObjPreimageIso W).hom ≫ w = L.map φ.f
⊢ ∃ z, L.map φ.f = eqToHom ⋯ ≫ L.map z

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesMonomorphisms
this✝ : L.EssSurj
W : D
w : W ⟶ L.obj X
hw : w ≫ L.map f = 0
this :
  ∀ (W : D) (w : W ⟶ L.obj X),
    w ≫ L.map f = 0 → (∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z) → ∃ l, l ≫ L.map (kernel.ι f) = w
hw' : ¬∃ Z, ∃ (hZ : W = L.obj Z), ∃ z, w = eqToHom hZ ≫ L.map z
φ : P.isoModSerre.RightFraction (L.objPreimage W) X
hφ : L.map φ.s ≫ (L.objObjPreimageIso W).hom ≫ w = L.map φ.f
l : L.obj φ.X' ⟶ L.obj (kernel f)
hl : l ≫ L.map (kernel.ι f) = L.map φ.f
⊢ ((L.objObjPreimageIso W).inv ≫ inv (L.map φ.s) ≫ l) ≫ L.map (kernel.ι f) = w

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesMonomorphisms
this✝ : L.EssSurj
Z : C
z : Z ⟶ X
Z' : C
t : Z' ⟶ Z
ht : P.isoModSerre t
fac : (t ≫ z) ≫ f = 0
this : IsIso (L.map t)
⊢ (inv (L.map t) ≫ L.map (kernel.lift f (t ≫ z) fac)) ≫ L.map (kernel.ι f) = eqToHom ⋯ ≫ L.map z

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
⊢ PreservesLimit (parallelPair f 0) L

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ SingleObj G ⥤ V
J : Type u_4
inst✝ : Category.{v_3, u_4} J
K : J ⥤ C
h : PreservesLimit K (F ⋙ (evaluation (SingleObj G) V).obj (SingleObj.star G))
⊢ PreservesLimit K F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesEpimorphisms
this✝ : L.EssSurj
this : ∀ (W : D) (z : L.obj Y ⟶ W), L.map f ≫ z = 0 → ∃ l, L.map (cokernel.π f) ≫ l = z
s : Cofork (L.map f) 0
x✝¹ x✝ : (CokernelCofork.map (Cofork.ofπ (cokernel.π f) ⋯) L).pt ⟶ s.pt
h₁ : Cofork.π (CokernelCofork.map (Cofork.ofπ (cokernel.π f) ⋯) L) ≫ x✝¹ = s.π
h₂ : Cofork.π (CokernelCofork.map (Cofork.ofπ (cokernel.π f) ⋯) L) ≫ x✝ = s.π
⊢ x✝¹ = x✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
A : Action V G
⊢ A.ρ 1 = 𝟙 A.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ Action V G
J : Type u_4
inst✝ : Category.{v_3, u_4} J
K : J ⥤ C
h : PreservesLimit K (F ⋙ forget V G)
⊢ PreservesLimit K F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Group G
A : Action V G
g : G
⊢ A.ρ (g⁻¹ * g) = 𝟙 A.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Group G
A : Action V G
g : G
⊢ A.ρ (g * g⁻¹) = 𝟙 A.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ Action V G
J : Type u_4
inst✝ : Category.{v_3, u_4} J
h : PreservesLimitsOfShape J (F ⋙ forget V G)
⊢ PreservesLimitsOfShape J F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N K : Action V G
p : M.Hom N
q : N.Hom K
⊢ ∀ (g : G), M.ρ g ≫ p.hom ≫ q.hom = (p.hom ≫ q.hom) ≫ K.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
C : Type u_3
inst✝ : Category.{v_2, u_3} C
F : C ⥤ Action V G
h : PreservesLimitsOfSize.{w₂, w₁, v_2, v_1, u_3, u_1} (F ⋙ forget V G)
⊢ PreservesLimitsOfSize.{w₂, w₁, v_2, v_1, u_3, max (max u_1 u_2) v_1} F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M ≅ N
⊢ f.hom.hom ≫ f.inv.hom = 𝟙 M.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M ≅ N
⊢ f.inv.hom ≫ f.hom.hom = 𝟙 N.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ SingleObj G ⥤ V
J : Type u_4
inst✝ : Category.{v_3, u_4} J
K : J ⥤ C
h : PreservesColimit K (F ⋙ (evaluation (SingleObj G) V).obj (SingleObj.star G))
⊢ PreservesColimit K F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ Action V G
J : Type u_4
inst✝ : Category.{v_3, u_4} J
K : J ⥤ C
h : PreservesColimit K (F ⋙ forget V G)
⊢ PreservesColimit K F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M.V ≅ N.V
comm : ∀ (g : G), M.ρ g ≫ f.hom = f.hom ≫ N.ρ g
g : G
⊢ N.ρ g ≫ f.inv = f.inv ≫ M.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M ≅ N
⊢ f.hom.hom ≫ f.inv.hom = 𝟙 M.V ∧ f.inv.hom ≫ f.hom.hom = 𝟙 N.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
C : Type u_3
inst✝¹ : Category.{v_2, u_3} C
F : C ⥤ Action V G
J : Type u_4
inst✝ : Category.{v_3, u_4} J
h : PreservesColimitsOfShape J (F ⋙ forget V G)
⊢ PreservesColimitsOfShape J F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M ≅ N
⊢ f.inv.hom ≫ f.hom.hom = 𝟙 N.V ∧ f.hom.hom ≫ f.inv.hom = 𝟙 M.V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
C : Type u_3
inst✝ : Category.{v_2, u_3} C
F : C ⥤ Action V G
h : PreservesColimitsOfSize.{w₂, w₁, v_2, v_1, u_3, u_1} (F ⋙ forget V G)
⊢ PreservesColimitsOfSize.{w₂, w₁, v_2, v_1, u_3, max (max u_1 u_2) v_1} F

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
FV : V → V → Type u_3
CV : V → Type u_4
inst✝¹ : (X Y : V) → FunLike (FV X Y) (CV X) (CV Y)
inst✝ : ConcreteCategory V FV
X✝ Y✝ : Action V G
f : X✝ ⟶ Y✝
g : G
⊢ ⇑(ConcreteCategory.hom f.hom) ∘ ⇑(ConcreteCategory.hom (X✝.ρ g)) =
    ⇑(ConcreteCategory.hom (Y✝.ρ g)) ∘ ⇑(ConcreteCategory.hom f.hom)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
J : Type u_3
inst✝¹ : Category.{v_2, u_3} J
K : J ⥤ Action V G
inst✝ : HasLimit (K ⋙ forget V G)
⊢ PreservesLimit K (forget V G)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
J : Type u_3
inst✝¹ : Category.{v_2, u_3} J
K : J ⥤ Action V G
inst✝ : HasColimit (K ⋙ forget V G)
⊢ PreservesColimit K (forget V G)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
FV : V → V → Type u_3
CV : V → Type u_4
inst✝¹ : (X Y : V) → FunLike (FV X Y) (CV X) (CV Y)
inst✝ : ConcreteCategory V FV
X✝ Y✝ : Action V G
f : HomSubtype V G X✝ Y✝
g : G
x : CV X✝.V
⊢ (ConcreteCategory.hom (X✝.ρ g ≫ ConcreteCategory.ofHom ↑f)) x =
    (ConcreteCategory.hom (ConcreteCategory.ofHom ↑f ≫ Y✝.ρ g)) x

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : HasFiniteLimits V
⊢ PreservesFiniteLimits ((evaluation (SingleObj G) V).obj (SingleObj.star G))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : HasFiniteLimits V
⊢ PreservesFiniteLimits (forget V G)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
FV : V → V → Type u_3
CV : V → Type u_4
inst✝¹ : (X Y : V) → FunLike (FV X Y) (CV X) (CV Y)
inst✝ : ConcreteCategory V FV
X✝ Y✝ : Action V G
x✝ : HomSubtype V G X✝ Y✝
⊢ ⟨ConcreteCategory.hom { hom := ConcreteCategory.ofHom ↑x✝, comm := ⋯ }.hom, ⋯⟩ = x✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesEpimorphisms
this✝ : L.EssSurj
W : D
w : L.obj Y ⟶ W
hw : L.map f ≫ w = 0
this :
  ∀ (W : D) (w : L.obj Y ⟶ W),
    L.map f ≫ w = 0 → (∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ) → ∃ l, L.map (cokernel.π f) ≫ l = w
hw' : ¬∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ
φ : P.isoModSerre.LeftFraction Y (L.objPreimage W)
hφ : w ≫ (L.objObjPreimageIso W).inv ≫ L.map φ.s = L.map φ.f
⊢ L.map f ≫ L.map φ.f = 0

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : HasFiniteColimits V
⊢ PreservesFiniteColimits ((evaluation (SingleObj G) V).obj (SingleObj.star G))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : HasFiniteColimits V
⊢ PreservesFiniteColimits (forget V G)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G : Type u_2
inst✝² : Monoid G
FV : V → V → Type u_3
CV : V → Type u_4
inst✝¹ : (X Y : V) → FunLike (FV X Y) (CV X) (CV Y)
inst✝ : ConcreteCategory V FV
X✝ Y✝ : Action V G
x✝ : X✝ ⟶ Y✝
⊢ { hom := ConcreteCategory.ofHom ↑⟨ConcreteCategory.hom x✝.hom, ⋯⟩, comm := ⋯ } = x✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
J : Type u_3
inst✝ : Category.{v_2, u_3} J
F : J ⥤ Action V G
c✝ : Cone F
h : IsLimit ((forget V G).mapCone c✝)
⊢ IsLimit c✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
J : Type u_3
inst✝ : Category.{v_2, u_3} J
F : J ⥤ Action V G
c✝ : Cocone F
h : IsColimit ((forget V G).mapCocone c✝)
⊢ IsColimit c✝

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesEpimorphisms
this✝ : L.EssSurj
W : D
w : L.obj Y ⟶ W
hw : L.map f ≫ w = 0
this :
  ∀ (W : D) (w : L.obj Y ⟶ W),
    L.map f ≫ w = 0 → (∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ) → ∃ l, L.map (cokernel.π f) ≫ l = w
hw' : ¬∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ
φ : P.isoModSerre.LeftFraction Y (L.objPreimage W)
hφ : w ≫ (L.objObjPreimageIso W).inv ≫ L.map φ.s = L.map φ.f
⊢ ∃ z, L.map φ.f = L.map z ≫ eqToHom ⋯

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : HasZeroMorphisms V
X Y : Action V G
⊢ ∀ (g : G), X.ρ g ≫ 0 = 0 ≫ Y.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
f g : X ⟶ Y
⊢ ∀ (g_1 : G), X.ρ g_1 ≫ (f.hom + g.hom) = (f.hom + g.hom) ≫ Y.ρ g_1

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
f : X ⟶ Y
⊢ ∀ (g : G), X.ρ g ≫ (-f.hom) = (-f.hom) ≫ Y.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
M N : Action V G
f : M ≅ N
g : G
⊢ N.ρ g = ((forget V G).mapIso f).conj (M.ρ g)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
f g : X ⟶ Y
⊢ ∀ (g_1 : G), X.ρ g_1 ≫ (f.hom - g.hom) = (f.hom - g.hom) ≫ Y.ρ g_1

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
X✝ Y✝ : V
f : X✝ ⟶ Y✝
x✝ : PUnit.{?u.12 + 1}
⊢ { V := X✝, ρ := 1 }.ρ PUnit.unit ≫ f = f ≫ { V := Y✝, ρ := 1 }.ρ PUnit.unit

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
n : ℕ
f : X ⟶ Y
⊢ ∀ (g : G), X.ρ g ≫ (n • f.hom) = (n • f.hom) ≫ Y.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
n : ℤ
f : X ⟶ Y
⊢ ∀ (g : G), X.ρ g ≫ (n • f.hom) = (n • f.hom) ≫ Y.ρ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Abelian.SerreClass.Localization

Goal state before:
pp: C : Type u
inst✝⁶ : Category.{v, u} C
inst✝⁵ : Abelian C
D : Type u'
inst✝⁴ : Category.{v', u'} D
L : C ⥤ D
P : ObjectProperty C
inst✝³ : P.IsSerreClass
inst✝² : L.IsLocalization P.isoModSerre
inst✝¹ : Preadditive D
inst✝ : L.Additive
X Y : C
f : X ⟶ Y
this✝¹ : L.PreservesEpimorphisms
this✝ : L.EssSurj
W : D
w : L.obj Y ⟶ W
hw : L.map f ≫ w = 0
this :
  ∀ (W : D) (w : L.obj Y ⟶ W),
    L.map f ≫ w = 0 → (∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ) → ∃ l, L.map (cokernel.π f) ≫ l = w
hw' : ¬∃ Z, ∃ (hZ : L.obj Z = W), ∃ z, w = L.map z ≫ eqToHom hZ
φ : P.isoModSerre.LeftFraction Y (L.objPreimage W)
hφ : w ≫ (L.objObjPreimageIso W).inv ≫ L.map φ.s = L.map φ.f
l : L.obj (cokernel f) ⟶ L.obj φ.Y'
hl : L.map (cokernel.π f) ≫ l = L.map φ.f
⊢ L.map (cokernel.π f) ≫ l ≫ inv (L.map φ.s) ≫ (L.objObjPreimageIso W).hom = w

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝¹ : Category.{v_1, u_1} V
G : Type u_2
inst✝ : Monoid G
X : Action V PUnit.{?u.12 + 1}
x✝ : PUnit.{?u.12 + 1}
⊢ ((𝟭 (Action V PUnit.{?u.12 + 1})).obj X).ρ PUnit.unit ≫ (Iso.refl ((𝟭 (Action V PUnit.{?u.12 + 1})).obj X).V).hom =
    (Iso.refl ((𝟭 (Action V PUnit.{?u.12 + 1})).obj X).V).hom ≫
      ((forget V PUnit.{?u.12 + 1} ⋙
                { obj := fun X ↦ { V := X, ρ := 1 }, map := fun {X Y} f ↦ { hom := f, comm := ⋯ }, map_id := ⋯,
                  map_comp := ⋯ }).obj
            X).ρ
        PUnit.unit

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Limits

Goal state before:
pp: V : Type u_1
inst✝² : Category.{v_1, u_1} V
G : Type u_2
inst✝¹ : Monoid G
inst✝ : Preadditive V
X Y : Action V G
⊢ ∀ (P Q R : Action V G) (f f' : P ⟶ Q) (g : Q ⟶ R), (f + f') ≫ g = f ≫ g + f' ≫ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G✝ : Type u_2
inst✝² : Monoid G✝
G : Type u_3
H : Type u_4
inst✝¹ : Monoid G
inst✝ : Monoid H
f : G ≃* H
⊢ MonoidHom.id H = (↑f).comp ↑f.symm

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Action.Basic

Goal state before:
pp: V : Type u_1
inst✝³ : Category.{v_1, u_1} V
G✝ : Type u_2
inst✝² : Monoid G✝
G : Type u_3
H : Type u_4
inst✝¹ : Monoid G
inst✝ : Monoid H
f : G ≃* H
⊢ (↑f.symm).comp ↑f = MonoidHom.id G

Tactic:
by

Goal state after: