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case a.w.h C : Type ?u.46399 D : Type ?u.46402 inst✝³ : Category.{?u.46406, ?u.46399} C inst✝² : Category.{?u.46410, ?u.46402} D F : C ⥤ D A : Type ?u.46441 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp [eqToHom_map, eqToHom_app]
/-- When `F : C ⥤ D` is a functor satisfying suitable technical assumptions, this is the induced term of type `HasShift D A` deduced from `[HasShift C A]`. -/ noncomputable def induced : HasShift D A := hasShiftMk D A { F := s zero := Induced.zero F s i hF add := Induced.add F s i hF zero_add_ho...
Mathlib.CategoryTheory.Shift.Induced.96_0.hEyfGnVpBGMswTi
/-- When `F : C ⥤ D` is a functor satisfying suitable technical assumptions, this is the induced term of type `HasShift D A` deduced from `[HasShift C A]`. -/ noncomputable def induced : HasShift D A
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_1 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_2, u_1} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) a : A ⊢ shiftF...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
rfl
@[simp] lemma shiftFunctor_of_induced (a : A) : letI := HasShift.induced F A s i hF shiftFunctor D a = s a := by
Mathlib.CategoryTheory.Shift.Induced.168_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctor_of_induced (a : A) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) X : C ⊢ (shift...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
letI := HasShift.induced F A s i
@[simp] lemma shiftFunctorZero_hom_app_obj_of_induced (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorZero D A).hom.app (F.obj X) = (i 0).hom.app X ≫ F.map ((shiftFunctorZero C A).hom.app X) := by
Mathlib.CategoryTheory.Shift.Induced.176_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorZero_hom_app_obj_of_induced (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) X : C this : N...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [ShiftMkCore.shiftFunctorZero_eq, HasShift.Induced.zero_hom_app_obj]
@[simp] lemma shiftFunctorZero_hom_app_obj_of_induced (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorZero D A).hom.app (F.obj X) = (i 0).hom.app X ≫ F.map ((shiftFunctorZero C A).hom.app X) := by letI := HasShift.induced F A s i
Mathlib.CategoryTheory.Shift.Induced.176_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorZero_hom_app_obj_of_induced (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_3, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_5 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) X : C ⊢ (shift...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
letI := HasShift.induced F A s i
@[simp] lemma shiftFunctorZero_inv_app_obj_of_induced (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorZero D A).inv.app (F.obj X) = F.map ((shiftFunctorZero C A).inv.app X) ≫ (i 0).inv.app X := by
Mathlib.CategoryTheory.Shift.Induced.184_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorZero_inv_app_obj_of_induced (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_3, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_5 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) X : C this : N...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [ShiftMkCore.shiftFunctorZero_eq, HasShift.Induced.zero_inv_app_obj]
@[simp] lemma shiftFunctorZero_inv_app_obj_of_induced (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorZero D A).inv.app (F.obj X) = F.map ((shiftFunctorZero C A).inv.app X) ≫ (i 0).inv.app X := by letI := HasShift.induced F A s i
Mathlib.CategoryTheory.Shift.Induced.184_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorZero_inv_app_obj_of_induced (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) a b : A X : C ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
letI := HasShift.induced F A s i
@[simp] lemma shiftFunctorAdd_hom_app_obj_of_induced (a b : A) (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorAdd D a b).hom.app (F.obj X) = (i (a + b)).hom.app X ≫ F.map ((shiftFunctorAdd C a b).hom.app X) ≫ (i b).inv.app ((shiftFunctor C a).obj X) ≫ (s b).map ((i a).i...
Mathlib.CategoryTheory.Shift.Induced.194_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorAdd_hom_app_obj_of_induced (a b : A) (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) a b : A X : C ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [ShiftMkCore.shiftFunctorAdd_eq, HasShift.Induced.add_hom_app_obj]
@[simp] lemma shiftFunctorAdd_hom_app_obj_of_induced (a b : A) (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorAdd D a b).hom.app (F.obj X) = (i (a + b)).hom.app X ≫ F.map ((shiftFunctorAdd C a b).hom.app X) ≫ (i b).inv.app ((shiftFunctor C a).obj X) ≫ (s b).map ((i a).i...
Mathlib.CategoryTheory.Shift.Induced.194_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorAdd_hom_app_obj_of_induced (a b : A) (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) a b : A X : C ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
letI := HasShift.induced F A s i
@[simp] lemma shiftFunctorAdd_inv_app_obj_of_induced (a b : A) (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorAdd D a b).inv.app (F.obj X) = (s b).map ((i a).hom.app X) ≫ (i b).hom.app ((shiftFunctor C a).obj X) ≫ F.map ((shiftFunctorAdd C a b).inv.app X) ≫ (i (a + b)).inv.ap...
Mathlib.CategoryTheory.Shift.Induced.205_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorAdd_inv_app_obj_of_induced (a b : A) (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type u_4 D : Type u_2 inst✝³ : Category.{u_5, u_4} C inst✝² : Category.{u_1, u_2} D F : C ⥤ D A : Type u_3 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((whiskeringLeft C D D).obj F) a b : A X : C ...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [ShiftMkCore.shiftFunctorAdd_eq, HasShift.Induced.add_inv_app_obj]
@[simp] lemma shiftFunctorAdd_inv_app_obj_of_induced (a b : A) (X : C) : letI := HasShift.induced F A s i hF (shiftFunctorAdd D a b).inv.app (F.obj X) = (s b).map ((i a).hom.app X) ≫ (i b).hom.app ((shiftFunctor C a).obj X) ≫ F.map ((shiftFunctorAdd C a b).inv.app X) ≫ (i (a + b)).inv.ap...
Mathlib.CategoryTheory.Shift.Induced.205_0.hEyfGnVpBGMswTi
@[simp] lemma shiftFunctorAdd_inv_app_obj_of_induced (a b : A) (X : C) : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((w...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
letI := HasShift.induced F A s i hF
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((w...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
exact { iso := fun a => (i a).symm zero := by ext X dsimp simp only [isoZero_hom_app, shiftFunctorZero_inv_app_obj_of_induced, ← F.map_comp_assoc, Iso.hom_inv_id_app, F.map_id, Category.id_comp] add := fun a b => by ext X dsimp simp only [isoAdd_...
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((w...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
ext X
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
case w.w.h C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ F...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
dsimp
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
case w.w.h C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ F...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [isoZero_hom_app, shiftFunctorZero_inv_app_obj_of_induced, ← F.map_comp_assoc, Iso.hom_inv_id_app, F.map_id, Category.id_comp]
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ Faithful ((w...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
ext X
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
case w.w.h C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ F...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
dsimp
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
case w.w.h C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ F...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
simp only [isoAdd_hom_app, Iso.symm_hom, shiftFunctorAdd_inv_app_obj_of_induced, shiftFunctor_of_induced]
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
case w.w.h C : Type ?u.125746 D : Type ?u.125749 inst✝³ : Category.{?u.125753, ?u.125746} C inst✝² : Category.{?u.125757, ?u.125749} D F : C ⥤ D A : Type ?u.125788 inst✝¹ : AddMonoid A inst✝ : HasShift C A s : A → D ⥤ D i : (a : A) → F ⋙ s a ≅ shiftFunctor C a ⋙ F hF : Nonempty (Full ((whiskeringLeft C D D).obj F)) ∧ F...
/- Copyright (c) 2023 Joël Riou. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Joël Riou -/ import Mathlib.CategoryTheory.Shift.CommShift /-! # Shift induced from a category to another In this file, we introduce a sufficient condition on a functor `F : C ⥤ D` so tha...
erw [← Functor.map_comp_assoc, Iso.inv_hom_id_app, Functor.map_id, Category.id_comp, Iso.inv_hom_id_app_assoc, ← F.map_comp_assoc, Iso.hom_inv_id_app, F.map_id, Category.id_comp]
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI := HasShift.induced F A s i hF F.CommShift A := by letI := HasShift.induced F A s i hF exact ...
Mathlib.CategoryTheory.Shift.Induced.218_0.hEyfGnVpBGMswTi
/-- When the target category of a functor `F : C ⥤ D` is equipped with the induced shift, this is the compatibility of `F` with the shifts on the categories `C` and `D`. -/ def Functor.CommShift.ofInduced : letI
Mathlib_CategoryTheory_Shift_Induced
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Semigroup (f i) ⊢ ∀ (a b c : (i : I) → f i), a * b * c = a * (b * c)
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i) := { mul := (· * ·) --pi_instance mul_assoc := by
Mathlib.Algebra.Group.Pi.54_0.DFGfFEDon0PHcgt
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Semigroup (f i) a✝ b✝ c✝ : (i : I) → f i ⊢ a✝ * b✝ * c✝ = a✝ * (b✝ * c✝)
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i) := { mul := (· * ·) --pi_instance mul_assoc := by intros;
Mathlib.Algebra.Group.Pi.54_0.DFGfFEDon0PHcgt
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Semigroup (f i) a✝ b✝ c✝ : (i : I) → f i x✝ : I ⊢ (a✝ * b✝ * c✝) x✝ = (a✝ * (b✝ * c✝)) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_assoc _ _ _
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i) := { mul := (· * ·) --pi_instance mul_assoc := by intros; ext;
Mathlib.Algebra.Group.Pi.54_0.DFGfFEDon0PHcgt
@[to_additive] instance semigroup [∀ i, Semigroup <| f i] : Semigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → CommSemigroup (f i) src✝ : Semigroup ((i : I) → f i) := semigroup ⊢ ∀ (a b : (i : I) → f i), a * b = b * a
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i) := { semigroup with --pi_instance mul_comm := by
Mathlib.Algebra.Group.Pi.62_0.DFGfFEDon0PHcgt
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → CommSemigroup (f i) src✝ : Semigroup ((i : I) → f i) := semigroup a✝ b✝ : (i : I) → f i ⊢ a✝ * b✝ = b✝ * a✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i) := { semigroup with --pi_instance mul_comm := by intros;
Mathlib.Algebra.Group.Pi.62_0.DFGfFEDon0PHcgt
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → CommSemigroup (f i) src✝ : Semigroup ((i : I) → f i) := semigroup a✝ b✝ : (i : I) → f i x✝ : I ⊢ (a✝ * b✝) x✝ = (b✝ * a✝) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_comm _ _
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i) := { semigroup with --pi_instance mul_comm := by intros; ext;
Mathlib.Algebra.Group.Pi.62_0.DFGfFEDon0PHcgt
@[to_additive] instance commSemigroup [∀ i, CommSemigroup <| f i] : CommSemigroup (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) ⊢ ∀ (a : (i : I) → f i), 1 * a = a
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) a✝ : (i : I) → f i ⊢ 1 * a✝ = a✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by intros;
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) a✝ : (i : I) → f i x✝ : I ⊢ (1 * a✝) x✝ = a✝ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact one_mul _
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by intros; ext;
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) ⊢ ∀ (a : (i : I) → f i), a * 1 = a
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by intros; ext; exact one_mul _ mul_one := by
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) a✝ : (i : I) → f i ⊢ a✝ * 1 = a✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by intros; ext; exact one_mul _ mul_one := by intros;
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulOneClass (f i) a✝ : (i : I) → f i x✝ : I ⊢ (a✝ * 1) x✝ = a✝ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_one _
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) mul := (· * ·) --pi_instance one_mul := by intros; ext; exact one_mul _ mul_one := by intros; ext;
Mathlib.Algebra.Group.Pi.71_0.DFGfFEDon0PHcgt
@[to_additive] instance mulOneClass [∀ i, MulOneClass <| f i] : MulOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvOneClass (f i) ⊢ 1⁻¹ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) inv := (· ⁻¹) inv_one := by
Mathlib.Algebra.Group.Pi.82_0.DFGfFEDon0PHcgt
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvOneClass (f i) ⊢ 1⁻¹ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) inv := (· ⁻¹) inv_one := by intros;
Mathlib.Algebra.Group.Pi.82_0.DFGfFEDon0PHcgt
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvOneClass (f i) x✝ : I ⊢ 1⁻¹ x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact inv_one
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i) := { one := (1 : ∀ i, f i) inv := (· ⁻¹) inv_one := by intros; ext;
Mathlib.Algebra.Group.Pi.82_0.DFGfFEDon0PHcgt
@[to_additive] instance invOneClass [∀ i, InvOneClass <| f i] : InvOneClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass ⊢ ∀ (x : (i : I) → f i), (fun n x i => x i ^ n) 0 x = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass x✝ : (i : I) → f i ⊢ (fun n x i => x i ^ n) 0 x✝ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by intros;
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass x✝¹ : (i : I) → f i x✝ : I ⊢ (fun n x i => x i ^ n) 0 x✝¹ x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact Monoid.npow_zero _
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by intros; ext;
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass ⊢ ∀ (n : ℕ) (x : (i : I) → f i), (fun n x i => x i ^ n) (n + 1) x = x * (fun n x i => x i ^ n) n x
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by intros; ext; exact Monoid.npow_zero _ npow_succ := by
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass n✝ : ℕ x✝ : (i : I) → f i ⊢ (fun n x i => x i ^ n) (n✝ + 1) x✝ = x✝ * (fun n x i => x i ^ n) n✝ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by intros; ext; exact Monoid.npow_zero _ npow_succ := by intros;
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Monoid (f i) src✝¹ : Semigroup ((i : I) → f i) := semigroup src✝ : MulOneClass ((i : I) → f i) := mulOneClass n✝ : ℕ x✝¹ : (i : I) → f i x✝ : I ⊢ (fun n x i => x i ^ n) (n✝ + 1) x✝¹ x✝ = (x✝¹ * (fun n x i => x i ^ n...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact Monoid.npow_succ _ _
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i) := { semigroup, mulOneClass with npow := fun n x i => x i ^ n --pi_instance npow_zero := by intros; ext; exact Monoid.npow_zero _ npow_succ := by intros; ext;
Mathlib.Algebra.Group.Pi.88_0.DFGfFEDon0PHcgt
@[to_additive] instance monoid [∀ i, Monoid <| f i] : Monoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid ⊢ ∀ (a b : (i : I) → f i), a / b = a * b⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid a✝ b✝ : (i : I) → f i ⊢ a✝ / b✝ = a✝ * b✝⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros;
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid a✝ b✝ : (i : I) → f i x✝ : I ⊢ (a✝ / b✝) x✝ = (a✝ * b✝⁻¹) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact div_eq_mul_inv _ _
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext;
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid ⊢ ∀ (a : (i : I) → f i), (fun z x i => x i ^ z) 0 a = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid a✝ : (i : I) → f i ⊢ (fun z x i => x i ^ z) 0 a✝ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros;
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid a✝ : (i : I) → f i x✝ : I ⊢ (fun z x i => x i ^ z) 0 a✝ x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact DivInvMonoid.zpow_zero' _
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext;
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid ⊢ ∀ (n : ℕ) (a : (i : I) → f i), (fun z x i => x i ^ z) (Int.ofNat (Nat.succ n)) a = a * (fun z x i => x i ^ z) (Int.ofNat n) a
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid n✝ : ℕ a✝ : (i : I) → f i ⊢ (fun z x i => x i ^ z) (Int.ofNat (Nat.succ n✝)) a✝ = a✝ * (fun z x i => x i ^ z) (Int.ofNat n✝) a✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid n✝ : ℕ a✝ : (i : I) → f i x✝ : I ⊢ (fun z x i => x i ^ z) (Int.ofNat (Nat.succ n✝)) a✝ x✝ = (a✝ * (fun z x i => x i ^ z) (Int.ofNat n✝) a✝) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact DivInvMonoid.zpow_succ' _ _
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid ⊢ ∀ (n : ℕ) (a : (i : I) → f i), (fun z x i => x i ^ z) (Int.negSucc n) a = ((fun z x i => x i ^ z) (↑(Nat.succ n)) a)⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid n✝ : ℕ a✝ : (i : I) → f i ⊢ (fun z x i => x i ^ z) (Int.negSucc n✝) a✝ = ((fun z x i => x i ^ z) (↑(Nat.succ n✝)) a✝)⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvMonoid (f i) src✝ : Monoid ((i : I) → f i) := monoid n✝ : ℕ a✝ : (i : I) → f i x✝ : I ⊢ (fun z x i => x i ^ z) (Int.negSucc n✝) a✝ x✝ = ((fun z x i => x i ^ z) (↑(Nat.succ n✝)) a✝)⁻¹ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact DivInvMonoid.zpow_neg' _ _
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i) := { monoid with inv := Inv.inv div := Div.div zpow := fun z x i => x i ^ z --pi_instance div_eq_mul_inv := by intros; ext; exact div_eq_mul_inv _ _ zpow_zero' := by intros; ext; exact...
Mathlib.Algebra.Group.Pi.112_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegMonoid] instance divInvMonoid [∀ i, DivInvMonoid <| f i] : DivInvMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvOneMonoid (f i) src✝ : DivInvMonoid ((i : I) → f i) := divInvMonoid ⊢ 1⁻¹ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subNegZeroMonoid] instance divInvOneMonoid [∀ i, DivInvOneMonoid <| f i] : DivInvOneMonoid (∀ i : I, f i) := { divInvMonoid with inv_one := by
Mathlib.Algebra.Group.Pi.125_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegZeroMonoid] instance divInvOneMonoid [∀ i, DivInvOneMonoid <| f i] : DivInvOneMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivInvOneMonoid (f i) src✝ : DivInvMonoid ((i : I) → f i) := divInvMonoid x✝ : I ⊢ 1⁻¹ x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact inv_one
@[to_additive Pi.subNegZeroMonoid] instance divInvOneMonoid [∀ i, DivInvOneMonoid <| f i] : DivInvOneMonoid (∀ i : I, f i) := { divInvMonoid with inv_one := by ext;
Mathlib.Algebra.Group.Pi.125_0.DFGfFEDon0PHcgt
@[to_additive Pi.subNegZeroMonoid] instance divInvOneMonoid [∀ i, DivInvOneMonoid <| f i] : DivInvOneMonoid (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvolutiveInv (f i) ⊢ ∀ (x : (i : I) → f i), x⁻¹⁻¹ = x
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i) := { inv := Inv.inv --pi_instance inv_inv := by
Mathlib.Algebra.Group.Pi.130_0.DFGfFEDon0PHcgt
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvolutiveInv (f i) x✝ : (i : I) → f i ⊢ x✝⁻¹⁻¹ = x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i) := { inv := Inv.inv --pi_instance inv_inv := by intros;
Mathlib.Algebra.Group.Pi.130_0.DFGfFEDon0PHcgt
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → InvolutiveInv (f i) x✝¹ : (i : I) → f i x✝ : I ⊢ x✝¹⁻¹⁻¹ x✝ = x✝¹ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact inv_inv _
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i) := { inv := Inv.inv --pi_instance inv_inv := by intros; ext;
Mathlib.Algebra.Group.Pi.130_0.DFGfFEDon0PHcgt
@[to_additive] instance involutiveInv [∀ i, InvolutiveInv <| f i] : InvolutiveInv (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv ⊢ ∀ (a b : (i : I) → f i), (a * b)⁻¹ = b⁻¹ * a⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv a✝ b✝ : (i : I) → f i ⊢ (a✝ * b✝)⁻¹ = b✝⁻¹ * a✝⁻¹
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by intros;
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv a✝ b✝ : (i : I) → f i x✝ : I ⊢ (a✝ * b✝)⁻¹ x✝ = (b✝⁻¹ * a✝⁻¹) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_inv_rev _ _
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by intros; ext;
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv ⊢ ∀ (a b : (i : I) → f i), a * b = 1 → a⁻¹ = b
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros _ _ h
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by intros; ext; exact mul_inv_rev _ _ inv_eq_of_mul := by
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv a✝ b✝ : (i : I) → f i h : a✝ * b✝ = 1 ⊢ a✝⁻¹ = b✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by intros; ext; exact mul_inv_rev _ _ inv_eq_of_mul := by intros _ _ h;
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → DivisionMonoid (f i) src✝¹ : DivInvMonoid ((i : I) → f i) := divInvMonoid src✝ : InvolutiveInv ((i : I) → f i) := involutiveInv a✝ b✝ : (i : I) → f i h : a✝ * b✝ = 1 x✝ : I ⊢ a✝⁻¹ x✝ = b✝ x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact DivisionMonoid.inv_eq_of_mul _ _ (congrFun h _)
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i) := { divInvMonoid, involutiveInv with --pi_instance mul_inv_rev := by intros; ext; exact mul_inv_rev _ _ inv_eq_of_mul := by intros _ _ h; ext;
Mathlib.Algebra.Group.Pi.137_0.DFGfFEDon0PHcgt
@[to_additive Pi.subtractionMonoid] instance divisionMonoid [∀ i, DivisionMonoid <| f i] : DivisionMonoid (∀ i, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Group (f i) src✝ : DivInvMonoid ((i : I) → f i) := divInvMonoid ⊢ ∀ (a : (i : I) → f i), a⁻¹ * a = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i) := { divInvMonoid with --pi_instance mul_left_inv := by
Mathlib.Algebra.Group.Pi.150_0.DFGfFEDon0PHcgt
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Group (f i) src✝ : DivInvMonoid ((i : I) → f i) := divInvMonoid a✝ : (i : I) → f i ⊢ a✝⁻¹ * a✝ = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i) := { divInvMonoid with --pi_instance mul_left_inv := by intros;
Mathlib.Algebra.Group.Pi.150_0.DFGfFEDon0PHcgt
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → Group (f i) src✝ : DivInvMonoid ((i : I) → f i) := divInvMonoid a✝ : (i : I) → f i x✝ : I ⊢ (a✝⁻¹ * a✝) x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_left_inv _
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i) := { divInvMonoid with --pi_instance mul_left_inv := by intros; ext;
Mathlib.Algebra.Group.Pi.150_0.DFGfFEDon0PHcgt
@[to_additive] instance group [∀ i, Group <| f i] : Group (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) ⊢ ∀ (a : (i : I) → f i), 0 * a = 0
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) a✝ : (i : I) → f i ⊢ 0 * a✝ = 0
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by intros;
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) a✝ : (i : I) → f i x✝ : I ⊢ (0 * a✝) x✝ = OfNat.ofNat 0 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact zero_mul _
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by intros; ext;
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) ⊢ ∀ (a : (i : I) → f i), a * 0 = 0
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intros
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by intros; ext; exact zero_mul _ mul_zero := by
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) a✝ : (i : I) → f i ⊢ a✝ * 0 = 0
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by intros; ext; exact zero_mul _ mul_zero := by intros;
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝ : (i : I) → MulZeroClass (f i) a✝ : (i : I) → f i x✝ : I ⊢ (a✝ * 0) x✝ = OfNat.ofNat 0 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact mul_zero _
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i) := { zero := (0 : ∀ i, f i) mul := (· * ·) --pi_instance zero_mul := by intros; ext; exact zero_mul _ mul_zero := by intros; ext;
Mathlib.Algebra.Group.Pi.221_0.DFGfFEDon0PHcgt
instance mulZeroClass [∀ i, MulZeroClass <| f i] : MulZeroClass (∀ i : I, f i)
Mathlib_Algebra_Group_Pi
ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → Mul (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : Mul α inst✝ : Mul β f : α →ₙ* β I : Type u_5 x✝¹ x✝ : I → α ⊢ (fun h => ⇑f ∘ h) (x✝¹ * x✝) = (fun h => ⇑f ∘ h) x✝¹ * (fun h => ⇑f ∘ h) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
/-- Semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by a semigroup homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by an additive semigroup homomorphism `f` between `α` and `β...
Mathlib.Algebra.Group.Pi.346_0.DFGfFEDon0PHcgt
/-- Semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by a semigroup homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → Mul (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : Mul α inst✝ : Mul β f : α →ₙ* β I : Type u_5 x✝² x✝¹ : I → α x✝ : I ⊢ (fun h => ⇑f ∘ h) (x✝² * x✝¹) x✝ = ((fun h => ⇑f ∘ h) x✝² * (fun h => ⇑f ∘ h) x✝¹) x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp
/-- Semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by a semigroup homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by an additive semigroup homomorphism `f` between `α` and `β...
Mathlib.Algebra.Group.Pi.346_0.DFGfFEDon0PHcgt
/-- Semigroup homomorphism between the function spaces `I → α` and `I → β`, induced by a semigroup homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → MulOneClass (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : MulOneClass α inst✝ : MulOneClass β f : α →* β I : Type u_5 ⊢ (fun h => ⇑f ∘ h) 1 = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive monoid homomorphism between the function spaces `I → α` and `I → β`, induced by an additive monoid homomorphism `f` between `α` and `β`"] prot...
Mathlib.Algebra.Group.Pi.407_0.DFGfFEDon0PHcgt
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → MulOneClass (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : MulOneClass α inst✝ : MulOneClass β f : α →* β I : Type u_5 x✝ : I ⊢ (fun h => ⇑f ∘ h) 1 x✝ = OfNat.ofNat 1 x✝
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
dsimp
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive monoid homomorphism between the function spaces `I → α` and `I → β`, induced by an additive monoid homomorphism `f` between `α` and `β`"] prot...
Mathlib.Algebra.Group.Pi.407_0.DFGfFEDon0PHcgt
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → MulOneClass (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : MulOneClass α inst✝ : MulOneClass β f : α →* β I : Type u_5 x✝ : I ⊢ f 1 = 1
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive monoid homomorphism between the function spaces `I → α` and `I → β`, induced by an additive monoid homomorphism `f` between `α` and `β`"] prot...
Mathlib.Algebra.Group.Pi.407_0.DFGfFEDon0PHcgt
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → MulOneClass (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : MulOneClass α inst✝ : MulOneClass β f : α →* β I : Type u_5 x✝¹ x✝ : I → α ⊢ OneHom.toFun { toFun := fun h => ⇑f ∘ h, map_one' := (_ : (fun h => ⇑f ∘ h) 1 = 1)...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive monoid homomorphism between the function spaces `I → α` and `I → β`, induced by an additive monoid homomorphism `f` between `α` and `β`"] prot...
Mathlib.Algebra.Group.Pi.407_0.DFGfFEDon0PHcgt
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α✝ : Type u_2 I✝ : Type u f✝ : I✝ → Type v x y : (i : I✝) → f✝ i i j : I✝ inst✝² : (i : I✝) → MulOneClass (f✝ i) α : Type u_3 β : Type u_4 inst✝¹ : MulOneClass α inst✝ : MulOneClass β f : α →* β I : Type u_5 x✝² x✝¹ : I → α x✝ : I ⊢ OneHom.toFun { toFun := fun h => ⇑f ∘ h, map_one' := (_ : (fun h =>...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr := simps) "Additive monoid homomorphism between the function spaces `I → α` and `I → β`, induced by an additive monoid homomorphism `f` between `α` and `β`"] prot...
Mathlib.Algebra.Group.Pi.407_0.DFGfFEDon0PHcgt
/-- Monoid homomorphism between the function spaces `I → α` and `I → β`, induced by a monoid homomorphism `f` between `α` and `β`. -/ @[to_additive (attr
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) ⊢ Pairwise fun i j => ∀ (x : f i) (y : f j), Commute (mulSingle i x) (mulSingle j y)
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
intro i j hij x y
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j ⊢ Commute (mulSingle i x) (mulSingle j y)
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext k
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j k : I ⊢ (mulSingle i x * mulSingle j y) k = (mulSingle j y * mulSingle i x) k
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
by_cases h1 : i = k
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case pos ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j k : I h1 : i = k ⊢ (mulSingle i x * mulSingle j y) k = (mulSingle j y * mulSingle i x) k
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
subst h1
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case pos ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j ⊢ (mulSingle i x * mulSingle j y) i = (mulSingle j y * mulSingle i x) i
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp [hij]
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case neg ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j k : I h1 : ¬i = k ⊢ (mulSingle i x * mulSingle j y) k = (mulSingle j y * mulSingle i x) k
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
by_cases h2 : j = k
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case pos ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j k : I h1 : ¬i = k h2 : j = k ⊢ (mulSingle i x * mulSingle j y) k = (mulSingle j y * mulSingle i x) k
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
subst h2
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case pos ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j h1 : ¬i = j ⊢ (mulSingle i x * mulSingle j y) j = (mulSingle j y * mulSingle i x) j
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp [hij]
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
case neg ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y✝ : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) i j : I hij : i ≠ j x : f i y : f j k : I h1 : ¬i = k h2 : ¬j = k ⊢ (mulSingle i x * mulSingle j y) k = (mulSingle j y * mulSingle i x) k
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp [h1, h2]
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib.Algebra.Group.Pi.568_0.DFGfFEDon0PHcgt
/-- The injection into a pi group at different indices commutes. For injections of commuting elements at the same index, see `Commute.map` -/ @[to_additive "The injection into an additive pi group at different indices commutes. For injections of commuting elements at the same index, see `AddCommute.map`"]...
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) x : (i : I) → f i i j : I ⊢ Commute (mulSingle i (x i)) (mulSingle j (x j))
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
obtain rfl | hij := Decidable.eq_or_ne i j
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j)) := by
Mathlib.Algebra.Group.Pi.588_0.DFGfFEDon0PHcgt
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j))
Mathlib_Algebra_Group_Pi
case inl ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i✝ j : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) x : (i : I) → f i i : I ⊢ Commute (mulSingle i (x i)) (mulSingle i (x i))
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
rfl
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j)) := by obtain rfl | hij...
Mathlib.Algebra.Group.Pi.588_0.DFGfFEDon0PHcgt
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j))
Mathlib_Algebra_Group_Pi
case inr ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i✝ j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → MulOneClass (f i) x : (i : I) → f i i j : I hij : i ≠ j ⊢ Commute (mulSingle i (x i)) (mulSingle j (x j))
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
exact Pi.mulSingle_commute hij _ _
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j)) := by obtain rfl | hij...
Mathlib.Algebra.Group.Pi.588_0.DFGfFEDon0PHcgt
/-- The injection into a pi group with the same values commutes. -/ @[to_additive "The injection into an additive pi group with the same values commutes."] theorem Pi.mulSingle_apply_commute [∀ i, MulOneClass <| f i] (x : ∀ i, f i) (i j : I) : Commute (mulSingle i (x i)) (mulSingle j (x j))
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i j : I inst✝¹ : DecidableEq I inst✝ : (i : I) → Group (f i) g : (i : I) → f i x : f i ⊢ Function.update g i x = g / mulSingle i (g i) * mulSingle i x
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
ext j
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x := by
Mathlib.Algebra.Group.Pi.598_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x
Mathlib_Algebra_Group_Pi
case h ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → Group (f i) g : (i : I) → f i x : f i j : I ⊢ Function.update g i x j = (g / mulSingle i (g i) * mulSingle i x) j
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
rcases eq_or_ne i j with (rfl | h)
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x := by ext j
Mathlib.Algebra.Group.Pi.598_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x
Mathlib_Algebra_Group_Pi
case h.inl ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i j : I inst✝¹ : DecidableEq I inst✝ : (i : I) → Group (f i) g : (i : I) → f i x : f i ⊢ Function.update g i x i = (g / mulSingle i (g i) * mulSingle i x) i
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x := by ext j rcases eq_or_ne i j with (rfl | h) ·
Mathlib.Algebra.Group.Pi.598_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x
Mathlib_Algebra_Group_Pi
case h.inr ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x✝ y : (i : I) → f i i j✝ : I inst✝¹ : DecidableEq I inst✝ : (i : I) → Group (f i) g : (i : I) → f i x : f i j : I h : i ≠ j ⊢ Function.update g i x j = (g / mulSingle i (g i) * mulSingle i x) j
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
simp [Function.update_noteq h.symm, h]
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x := by ext j rcases eq_or_ne i j with (rfl | h) · simp ·
Mathlib.Algebra.Group.Pi.598_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.update_eq_div_mul_mulSingle [∀ i, Group <| f i] (g : ∀ i : I, f i) (x : f i) : Function.update g i x = g / mulSingle i (g i) * mulSingle i x
Mathlib_Algebra_Group_Pi
ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I M : Type u_3 inst✝ : CommMonoid M k l m n : I u v : M hu : u ≠ 1 hv : v ≠ 1 ⊢ mulSingle k u * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
refine' ⟨fun h => _, _⟩
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n := by
Mathlib.Algebra.Group.Pi.608_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
Mathlib_Algebra_Group_Pi
case refine'_1 ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I M : Type u_3 inst✝ : CommMonoid M k l m n : I u v : M hu : u ≠ 1 hv : v ≠ 1 h : mulSingle k u * mulSingle l v = mulSingle m u * mulSingle n v ⊢ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
have hk := congr_fun h k
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n := by re...
Mathlib.Algebra.Group.Pi.608_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
Mathlib_Algebra_Group_Pi
case refine'_1 ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I M : Type u_3 inst✝ : CommMonoid M k l m n : I u v : M hu : u ≠ 1 hv : v ≠ 1 h : mulSingle k u * mulSingle l v = mulSingle m u * mulSingle n v hk : (mulSingle k u * mulSingle l v) k = (mulSingle m u * mu...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
have hl := congr_fun h l
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n := by re...
Mathlib.Algebra.Group.Pi.608_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
Mathlib_Algebra_Group_Pi
case refine'_1 ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I M : Type u_3 inst✝ : CommMonoid M k l m n : I u v : M hu : u ≠ 1 hv : v ≠ 1 h : mulSingle k u * mulSingle l v = mulSingle m u * mulSingle n v hk : (mulSingle k u * mulSingle l v) k = (mulSingle m u * mu...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
have hm := (congr_fun h m).symm
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n := by re...
Mathlib.Algebra.Group.Pi.608_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
Mathlib_Algebra_Group_Pi
case refine'_1 ι : Type u_1 α : Type u_2 I : Type u f : I → Type v x y : (i : I) → f i i j : I inst✝¹ : DecidableEq I M : Type u_3 inst✝ : CommMonoid M k l m n : I u v : M hu : u ≠ 1 hv : v ≠ 1 h : mulSingle k u * mulSingle l v = mulSingle m u * mulSingle n v hk : (mulSingle k u * mulSingle l v) k = (mulSingle m u * mu...
/- Copyright (c) 2018 Simon Hudon. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Simon Hudon, Patrick Massot -/ import Mathlib.Init.CCLemmas import Mathlib.Algebra.Group.Hom.Instances import Mathlib.Data.Pi.Algebra import Mathlib.Data.Set.Function import Mathlib.Logic...
have hn := (congr_fun h n).symm
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n := by re...
Mathlib.Algebra.Group.Pi.608_0.DFGfFEDon0PHcgt
@[to_additive] theorem Pi.mulSingle_mul_mulSingle_eq_mulSingle_mul_mulSingle {M : Type*} [CommMonoid M] {k l m n : I} {u v : M} (hu : u ≠ 1) (hv : v ≠ 1) : (mulSingle k u : I → M) * mulSingle l v = mulSingle m u * mulSingle n v ↔ k = m ∧ l = n ∨ u = v ∧ k = n ∧ l = m ∨ u * v = 1 ∧ k = l ∧ m = n
Mathlib_Algebra_Group_Pi