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case neg.inl C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exfalso
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
case neg.inl.h C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X :...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exact hf mf'.symm
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
case neg.inr C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exact mf'
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
case neg C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C} → ...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
rw [@w' _ _ mX' mY' f' _]
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C} → X ∈ O → (...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
apply Finset.mem_of_mem_insert_of_ne mf'
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C} → X ∈ O → (...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
contrapose! h
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C} → X ∈ O → (...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
obtain ⟨rfl, h⟩ := h
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
case refl C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofiltered C O : Finset C H H' : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) X Y : C mX : X ∈ O mY : Y ∈ O f : X ⟶ Y nmf : { fst := X, snd := { fst := Y, snd := { fst := mX, snd := { fst := mY, snd := f } } } } ∉ H' S' : C T' : {X : C} →...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
trivial
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib.CategoryTheory.Filtered.Basic.693_0.dhnXC1TuYVuk8Vb
/-- Given any `Finset` of objects `{X, ...}` and indexed collection of `Finset`s of morphisms `{f, ...}` in `C`, there exists an object `S`, with a morphism `T X : S ⟶ X` from each `X`, such that the triangles commute: `T X ≫ f = T Y`, for `f : X ⟶ Y` in the `Finset`. -/ theorem inf_exists : ∃ (S : C) (T : ∀ {X : C...
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O : Finset C H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C ⊢ Nonempty (Cone F)
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fun X : J => Finset.univ.biUnion fun Y : J => Finset.univ.image fun f : X ⟶ Y => ⟨F.obj X, F.obj Y, by simp, by simp, F.map f⟩ obtain ⟨Z, f, w⟩ := inf_exists O H refin...
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O : Finset C H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ : Y ∈ O) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C ⊢ Nonempty (Cone F)
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
let O := Finset.univ.image F.obj
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ ⊢ Nonempty (Cone F)
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fun X : J => Finset.univ.biUnion fun Y : J => Finset.univ.image fun f : X ⟶ Y => ⟨F.obj X, F.obj Y, by simp, by simp, F.map f⟩
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ X Y : J f : X ⟶ Y ⊢ F.obj X ∈ O
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ X Y : J f : X ⟶ Y ⊢ F.obj Y ∈ O
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ :...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
obtain ⟨Z, f, w⟩ := inf_exists O H
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
refine' ⟨⟨Z, ⟨fun X => f (by simp), _⟩⟩⟩
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ :...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
intro j j' g
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
dsimp
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp only [Category.id_comp]
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
symm
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
apply w
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro.a C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' ...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp only [Finset.mem_biUnion, Finset.mem_univ, Finset.mem_image, PSigma.mk.injEq, true_and, exists_and_left]
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
case intro.intro.a C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' ...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exact ⟨j, rfl, j', g, by simp⟩
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝³ : Category.{v, u} C inst✝² : IsCofiltered C O✝ : Finset C H✝ : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O✝) ×' (_ : Y ∈ O✝) ×' (X ⟶ Y)) J : Type w inst✝¹ : SmallCategory J inst✝ : FinCategory J F : J ⥤ C O : Finset C := Finset.image F.obj Finset.univ H : Finset ((X : C) ×' (Y : C) ×' (_ : X ∈ O) ×' (_ :...
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F) := by classical let O := Finset.univ.image F.obj let H : Finset (Σ' (X Y : C) (_ : X ∈ O) (_ : Y ∈ O), X ⟶ Y) := Finset.univ.biUnion fu...
Mathlib.CategoryTheory.Filtered.Basic.754_0.dhnXC1TuYVuk8Vb
/-- If we have `IsCofiltered C`, then for any functor `F : J ⥤ C` with `FinCategory J`, there exists a cone over `F`. -/ theorem cone_nonempty (F : J ⥤ C) : Nonempty (Cone F)
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsFilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ (IsFiltered.coeqHom f.unop g.unop).op ≫ f = (IsFiltered.coeqHom f.unop g.unop).op ≫ g
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
rw [show f = f.unop.op by simp, show g = g.unop.op by simp, ← op_comp, ← op_comp]
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y := ⟨op (IsFiltered.max X.unop Y.unop), (IsFiltered.leftToMax _ _).op, (IsFiltered.rightToMax _ _).op, trivial⟩ cone_maps X Y f g := ⟨op (IsFiltered.coeq f.unop g.unop), (IsFilte...
Mathlib.CategoryTheory.Filtered.Basic.810_0.dhnXC1TuYVuk8Vb
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsFilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ f = f.unop.op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y := ⟨op (IsFiltered.max X.unop Y.unop), (IsFiltered.leftToMax _ _).op, (IsFiltered.rightToMax _ _).op, trivial⟩ cone_maps X Y f g := ⟨op (IsFiltered.coeq f.unop g.unop), (IsFilte...
Mathlib.CategoryTheory.Filtered.Basic.810_0.dhnXC1TuYVuk8Vb
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsFilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ g = g.unop.op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y := ⟨op (IsFiltered.max X.unop Y.unop), (IsFiltered.leftToMax _ _).op, (IsFiltered.rightToMax _ _).op, trivial⟩ cone_maps X Y f g := ⟨op (IsFiltered.coeq f.unop g.unop), (IsFilte...
Mathlib.CategoryTheory.Filtered.Basic.810_0.dhnXC1TuYVuk8Vb
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsFilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ (f.unop ≫ IsFiltered.coeqHom f.unop.op.unop g.unop.op.unop).op = (g.unop ≫ IsFiltered.coeqHom f.unop.op.unop g.unop.op.unop).op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
congr 1
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y := ⟨op (IsFiltered.max X.unop Y.unop), (IsFiltered.leftToMax _ _).op, (IsFiltered.rightToMax _ _).op, trivial⟩ cone_maps X Y f g := ⟨op (IsFiltered.coeq f.unop g.unop), (IsFilte...
Mathlib.CategoryTheory.Filtered.Basic.810_0.dhnXC1TuYVuk8Vb
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
case e_f C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsFilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ f.unop ≫ IsFiltered.coeqHom f.unop.op.unop g.unop.op.unop = g.unop ≫ IsFiltered.coeqHom f.unop.op.unop g.unop.op.unop
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exact IsFiltered.coeq_condition f.unop g.unop
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y := ⟨op (IsFiltered.max X.unop Y.unop), (IsFiltered.leftToMax _ _).op, (IsFiltered.rightToMax _ _).op, trivial⟩ cone_maps X Y f g := ⟨op (IsFiltered.coeq f.unop g.unop), (IsFilte...
Mathlib.CategoryTheory.Filtered.Basic.810_0.dhnXC1TuYVuk8Vb
instance isCofilteredOrEmpty_op_of_isFilteredOrEmpty [IsFilteredOrEmpty C] : IsCofilteredOrEmpty Cᵒᵖ where cone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ f ≫ (IsCofiltered.eqHom f.unop g.unop).op = g ≫ (IsCofiltered.eqHom f.unop g.unop).op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
rw [show f = f.unop.op by simp, show g = g.unop.op by simp, ← op_comp, ← op_comp]
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y := ⟨op (IsCofiltered.min X.unop Y.unop), (IsCofiltered.minToLeft X.unop Y.unop).op, (IsCofiltered.minToRight X.unop Y.unop).op, trivial⟩ cocone_maps X Y f g := ⟨op (IsCofilter...
Mathlib.CategoryTheory.Filtered.Basic.825_0.dhnXC1TuYVuk8Vb
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ f = f.unop.op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y := ⟨op (IsCofiltered.min X.unop Y.unop), (IsCofiltered.minToLeft X.unop Y.unop).op, (IsCofiltered.minToRight X.unop Y.unop).op, trivial⟩ cocone_maps X Y f g := ⟨op (IsCofilter...
Mathlib.CategoryTheory.Filtered.Basic.825_0.dhnXC1TuYVuk8Vb
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ g = g.unop.op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
simp
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y := ⟨op (IsCofiltered.min X.unop Y.unop), (IsCofiltered.minToLeft X.unop Y.unop).op, (IsCofiltered.minToRight X.unop Y.unop).op, trivial⟩ cocone_maps X Y f g := ⟨op (IsCofilter...
Mathlib.CategoryTheory.Filtered.Basic.825_0.dhnXC1TuYVuk8Vb
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ (IsCofiltered.eqHom f.unop.op.unop g.unop.op.unop ≫ f.unop).op = (IsCofiltered.eqHom f.unop.op.unop g.unop.op.unop ≫ g.unop).op
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
congr 1
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y := ⟨op (IsCofiltered.min X.unop Y.unop), (IsCofiltered.minToLeft X.unop Y.unop).op, (IsCofiltered.minToRight X.unop Y.unop).op, trivial⟩ cocone_maps X Y f g := ⟨op (IsCofilter...
Mathlib.CategoryTheory.Filtered.Basic.825_0.dhnXC1TuYVuk8Vb
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
case e_f C : Type u inst✝¹ : Category.{v, u} C inst✝ : IsCofilteredOrEmpty C X Y : Cᵒᵖ f g : X ⟶ Y ⊢ IsCofiltered.eqHom f.unop.op.unop g.unop.op.unop ≫ f.unop = IsCofiltered.eqHom f.unop.op.unop g.unop.op.unop ≫ g.unop
/- Copyright (c) 2019 Reid Barton. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Reid Barton, Scott Morrison -/ import Mathlib.CategoryTheory.FinCategory import Mathlib.CategoryTheory.Limits.Cones import Mathlib.CategoryTheory.Adjunction.Basic import Mathlib.CategoryT...
exact IsCofiltered.eq_condition f.unop g.unop
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y := ⟨op (IsCofiltered.min X.unop Y.unop), (IsCofiltered.minToLeft X.unop Y.unop).op, (IsCofiltered.minToRight X.unop Y.unop).op, trivial⟩ cocone_maps X Y f g := ⟨op (IsCofilter...
Mathlib.CategoryTheory.Filtered.Basic.825_0.dhnXC1TuYVuk8Vb
instance isFilteredOrEmpty_op_of_isCofilteredOrEmpty [IsCofilteredOrEmpty C] : IsFilteredOrEmpty Cᵒᵖ where cocone_objs X Y
Mathlib_CategoryTheory_Filtered_Basic
n : ℕ ⊢ range (succ n) = n ::ₘ range n
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
rw [range, List.range_succ, ← coe_add, add_comm]
@[simp] theorem range_succ (n : ℕ) : range (succ n) = n ::ₘ range n := by
Mathlib.Data.Multiset.Range.34_0.3IYEfNCsb0H7K9Z
@[simp] theorem range_succ (n : ℕ) : range (succ n) = n ::ₘ range n
Mathlib_Data_Multiset_Range
n : ℕ ⊢ ↑[n] + ↑(List.range n) = n ::ₘ range n
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
rfl
@[simp] theorem range_succ (n : ℕ) : range (succ n) = n ::ₘ range n := by rw [range, List.range_succ, ← coe_add, add_comm];
Mathlib.Data.Multiset.Range.34_0.3IYEfNCsb0H7K9Z
@[simp] theorem range_succ (n : ℕ) : range (succ n) = n ::ₘ range n
Mathlib_Data_Multiset_Range
a : ℕ m : Multiset ℕ ⊢ Disjoint (range a) (map (fun x => a + x) m)
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
intro x hxa hxb
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·)) := by
Mathlib.Data.Multiset.Range.66_0.3IYEfNCsb0H7K9Z
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·))
Mathlib_Data_Multiset_Range
a : ℕ m : Multiset ℕ x : ℕ hxa : x ∈ range a hxb : x ∈ map (fun x => a + x) m ⊢ False
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
rw [range, mem_coe, List.mem_range] at hxa
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·)) := by intro x hxa hxb
Mathlib.Data.Multiset.Range.66_0.3IYEfNCsb0H7K9Z
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·))
Mathlib_Data_Multiset_Range
a : ℕ m : Multiset ℕ x : ℕ hxa : x < a hxb : x ∈ map (fun x => a + x) m ⊢ False
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
obtain ⟨c, _, rfl⟩ := mem_map.1 hxb
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·)) := by intro x hxa hxb rw [range, mem_coe, List.mem_range] at hxa
Mathlib.Data.Multiset.Range.66_0.3IYEfNCsb0H7K9Z
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·))
Mathlib_Data_Multiset_Range
case intro.intro a : ℕ m : Multiset ℕ c : ℕ left✝ : c ∈ m hxa : a + c < a hxb : a + c ∈ map (fun x => a + x) m ⊢ False
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
exact (self_le_add_right _ _).not_lt hxa
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·)) := by intro x hxa hxb rw [range, mem_coe, List.mem_range] at hxa obtain ⟨c, _, rfl⟩ := mem_map.1 hxb
Mathlib.Data.Multiset.Range.66_0.3IYEfNCsb0H7K9Z
theorem range_disjoint_map_add (a : ℕ) (m : Multiset ℕ) : (range a).Disjoint (m.map (a + ·))
Mathlib_Data_Multiset_Range
a b : ℕ ⊢ range (a + b) = range a ∪ map (fun x => a + x) (range b)
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
rw [range_add, add_eq_union_iff_disjoint]
theorem range_add_eq_union (a b : ℕ) : range (a + b) = range a ∪ (range b).map (a + ·) := by
Mathlib.Data.Multiset.Range.74_0.3IYEfNCsb0H7K9Z
theorem range_add_eq_union (a b : ℕ) : range (a + b) = range a ∪ (range b).map (a + ·)
Mathlib_Data_Multiset_Range
a b : ℕ ⊢ Disjoint (range a) (map (fun x => a + x) (range b))
/- Copyright (c) 2015 Microsoft Corporation. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Mario Carneiro -/ import Mathlib.Data.Multiset.Basic import Mathlib.Data.List.Range #align_import data.multiset.range from "leanprover-community/mathlib"@"0a0ec35061ed9960bf0e7...
apply range_disjoint_map_add
theorem range_add_eq_union (a b : ℕ) : range (a + b) = range a ∪ (range b).map (a + ·) := by rw [range_add, add_eq_union_iff_disjoint]
Mathlib.Data.Multiset.Range.74_0.3IYEfNCsb0H7K9Z
theorem range_add_eq_union (a b : ℕ) : range (a + b) = range a ∪ (range b).map (a + ·)
Mathlib_Data_Multiset_Range
J✝ : Type w C : Type u inst✝ : Category.{v, u} C X✝ B : C J : Type w F : Discrete J ⥤ Over B c : Cone F X Y : WidePullbackShape J f : X ⟶ Y ⊢ ((Functor.const (WidePullbackShape J)).obj c.pt.left).map f ≫ (fun X => Option.casesOn X c.pt.hom fun j => (c.π.app { as := j }).left) Y = (fun X => Option.casesOn X c....
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
dsimp
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J✝ : Type w C : Type u inst✝ : Category.{v, u} C X✝ B : C J : Type w F : Discrete J ⥤ Over B c : Cone F X Y : WidePullbackShape J f : X ⟶ Y ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) Y = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) X ≫ WidePullbackShape.Hom...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases X
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F Y : WidePullbackShape J f : none ⟶ Y ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) Y = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none ≫ WidePull...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases Y
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F Y : WidePullbackShape J val✝ : J f : some val✝ ⟶ Y ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) Y = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some v...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases Y
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none.none J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F f : none ⟶ none ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none ≫ WidePullbackShape.Hom...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases f
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none.some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F val✝ : J f : none ⟶ some val✝ ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none ≫ ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases f
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some.none J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F val✝ : J f : some val✝ ⟶ none ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) ≫ ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases f
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some.some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F val✝¹ val✝ : J f : some val✝¹ ⟶ some val✝ ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases f
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none.none.id J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none ≫ WidePullbackShape.Hom.rec (motive ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rw [Category.id_comp, Category.comp_id]
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some.none.term J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F val✝ : J ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) none = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) ≫ WidePullbackShap...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rw [Over.w, Category.id_comp]
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some.some.id J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B c : Cone F val✝ : J ⊢ 𝟙 c.pt.left ≫ Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) = Option.rec c.pt.hom (fun val => (c.π.app { as := val }).left) (some val✝) ≫ WidePullbac...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rw [Category.id_comp, Category.comp_id]
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt := c.pt.left π := { app := fun X => Option.casesOn X c.pt.hom fun j : J => (c.π.app ⟨j⟩).left -...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.46_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverseObj (B : C) {J : Type w} (F : Discrete J ⥤ Over B) (c : Cone F) : Cone (widePullbackDiagramOfDiagramOver B F) where pt
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B X✝ Y✝ : Cone F f : X✝ ⟶ Y✝ j : WidePullbackShape J ⊢ f.hom.left ≫ (conesEquivInverseObj B F Y✝).π.app j = (conesEquivInverseObj B F X✝).π.app j
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
cases' j with j
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj := conesEquivInverseObj B F map f := { hom := f.hom.left w := fun j => by
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.61_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B X✝ Y✝ : Cone F f : X✝ ⟶ Y✝ ⊢ f.hom.left ≫ (conesEquivInverseObj B F Y✝).π.app none = (conesEquivInverseObj B F X✝).π.app none
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
simp
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj := conesEquivInverseObj B F map f := { hom := f.hom.left w := fun j => by cases' j with j ...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.61_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B X✝ Y✝ : Cone F f : X✝ ⟶ Y✝ j : J ⊢ f.hom.left ≫ (conesEquivInverseObj B F Y✝).π.app (some j) = (conesEquivInverseObj B F X✝).π.app (some j)
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
dsimp
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj := conesEquivInverseObj B F map f := { hom := f.hom.left w := fun j => by cases' j with j ...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.61_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B X✝ Y✝ : Cone F f : X✝ ⟶ Y✝ j : J ⊢ f.hom.left ≫ (Y✝.π.app { as := j }).left = (X✝.π.app { as := j }).left
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rw [← f.w ⟨j⟩]
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj := conesEquivInverseObj B F map f := { hom := f.hom.left w := fun j => by cases' j with j ...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.61_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some J✝ : Type w C : Type u inst✝ : Category.{v, u} C X B : C J : Type w F : Discrete J ⥤ Over B X✝ Y✝ : Cone F f : X✝ ⟶ Y✝ j : J ⊢ f.hom.left ≫ (Y✝.π.app { as := j }).left = (f.hom ≫ Y✝.π.app { as := j }).left
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rfl
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj := conesEquivInverseObj B F map f := { hom := f.hom.left w := fun j => by cases' j with j ...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.61_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivInverse (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone F ⥤ Cone (widePullbackDiagramOfDiagramOver B F) where obj
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J✝ : Type w C : Type u inst✝ : Category.{v, u} C X✝ B : C J : Type w F : Discrete J ⥤ Over B c : Cone (widePullbackDiagramOfDiagramOver B F) x✝² x✝¹ : Discrete J X Y : J x✝ : { as := X } ⟶ { as := Y } f : { as := X }.as = { as := Y }.as ⊢ ((Functor.const (Discrete J)).obj (mk (c.π.app none))).map { down := { down := f ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
dsimp at f ⊢
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivFunctor (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone (widePullbackDiagramOfDiagramOver B F) ⥤ Cone F where obj c := { pt := Over.mk (c.π.app none) π := { app := fun ⟨j⟩ => Over.homMk (c.π.app (some j)) (c.w...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.80_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivFunctor (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone (widePullbackDiagramOfDiagramOver B F) ⥤ Cone F where obj c
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J✝ : Type w C : Type u inst✝ : Category.{v, u} C X✝ B : C J : Type w F : Discrete J ⥤ Over B c : Cone (widePullbackDiagramOfDiagramOver B F) x✝² x✝¹ : Discrete J X Y : J x✝ : { as := X } ⟶ { as := Y } f : X = Y ⊢ 𝟙 (mk (c.π.app none)) ≫ homMk (c.π.app (some Y)) = homMk (c.π.app (some X)) ≫ F.map { down := { down := f ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
aesop_cat
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivFunctor (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone (widePullbackDiagramOfDiagramOver B F) ⥤ Cone F where obj c := { pt := Over.mk (c.π.app none) π := { app := fun ⟨j⟩ => Over.homMk (c.π.app (some j)) (c.w...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.80_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simps] def conesEquivFunctor (B : C) {J : Type w} (F : Discrete J ⥤ Over B) : Cone (widePullbackDiagramOfDiagramOver B F) ⥤ Cone F where obj c
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete J ⥤ Over B x✝ : Cone (widePullbackDiagramOfDiagramOver B F) ⊢ ∀ (j : WidePullbackShape J), ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).π.app j = (Iso.mk (𝟙 ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).pt) ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rintro (j | j)
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F := NatIso.ofComponents fun _ => Cones.ext { hom := 𝟙 _ inv := 𝟙 _ } (by...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.98_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case none J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete J ⥤ Over B x✝ : Cone (widePullbackDiagramOfDiagramOver B F) ⊢ ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).π.app none = (Iso.mk (𝟙 ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).pt) (𝟙 ((conesEquiv...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
aesop_cat
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F := NatIso.ofComponents fun _ => Cones.ext { hom := 𝟙 _ inv := 𝟙 _ } (by...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.98_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case some J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete J ⥤ Over B x✝ : Cone (widePullbackDiagramOfDiagramOver B F) j : J ⊢ ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).π.app (some j) = (Iso.mk (𝟙 ((𝟭 (Cone (widePullbackDiagramOfDiagramOver B F))).obj x✝).pt) (𝟙 ((...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
aesop_cat
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F := NatIso.ofComponents fun _ => Cones.ext { hom := 𝟙 _ inv := 𝟙 _ } (by...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.98_0.USyhUKjMzubPAtG
/-- (Impl) A preliminary definition to avoid timeouts. -/ @[simp] def conesEquivUnitIso (B : C) (F : Discrete J ⥤ Over B) : 𝟭 (Cone (widePullbackDiagramOfDiagramOver B F)) ≅ conesEquivFunctor B F ⋙ conesEquivInverse B F
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j ⊢ m = (fun s => homM...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
simp only
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j ⊢ m = homMk s.pt.hom
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
ext
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case h J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j ⊢ m.left = (h...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rw [Over.homMk_left _]
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case h J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j ⊢ m.left = s....
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
have := m.w
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case h J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j this : (𝟭 ...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
dsimp at this
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
case h J : Type w C : Type u inst✝ : Category.{v, u} C X B : C F : Discrete PEmpty.{1} ⥤ Over B s : Cone F m : s.pt ⟶ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.pt x✝ : ∀ (j : Discrete PEmpty.{1}), m ≫ { pt := mk (𝟙 B), π := NatTrans.mk fun p => PEmpty.elim p.as }.π.app j = s.π.app j this : m.left...
/- Copyright (c) 2018 Johan Commelin. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Johan Commelin, Reid Barton, Bhavik Mehta -/ import Mathlib.CategoryTheory.Over import Mathlib.CategoryTheory.Limits.Shapes.Pullbacks import Mathlib.CategoryTheory.Limits.Shapes.WidePu...
rwa [Category.comp_id, Category.comp_id] at this
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib.CategoryTheory.Limits.Constructions.Over.Products.165_0.USyhUKjMzubPAtG
/-- Construct terminal object in the over category. This isn't an instance as it's not typically the way we want to define terminal objects. (For instance, this gives a terminal object which is different from the generic one given by `over_product_of_widePullback` above.) -/ theorem over_hasTerminal (B : C) : HasTermin...
Mathlib_CategoryTheory_Limits_Constructions_Over_Products
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U : (Opens ↑X)ᵒᵖ ⊢ { obj := fun U => CommRingCat.of (Localization (obj G U)), map := fun {U V} i => CommRingCat.ofHom (IsLocalization.map (Localization (obj ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
simp_rw [F.map_id]
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U : (Opens ↑X)ᵒᵖ ⊢ CommRingCat.ofHom (IsLocalization.map (Localization (obj G U)) (𝟙 (F.obj U)) (_ : obj G U ≤ Submonoid.comap (𝟙 (F.obj U)) (obj G U))) = 𝟙 (CommRingCat.of...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
ext x
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
case w X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U : (Opens ↑X)ᵒᵖ x : (forget CommRingCat).obj (CommRingCat.of (Localization (obj G U))) ⊢ (CommRingCat.ofHom (IsLocalization.map (Localization (obj G U)) (𝟙 (F.obj U)) ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
exact IsLocalization.map_id (M := G.obj U) (S := Localization (G.obj U)) x
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U V W : (Opens ↑X)ᵒᵖ i : U ⟶ V j : V ⟶ W ⊢ { obj := fun U => CommRingCat.of (Localization (obj G U)), map := fun {U V} i => CommRingCat.ofHom (IsLocalization...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
delta CommRingCat.ofHom CommRingCat.of Bundled.of
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U V W : (Opens ↑X)ᵒᵖ i : U ⟶ V j : V ⟶ W ⊢ { obj := fun U => Bundled.mk (Localization (obj G U)), map := fun {U V} i => IsLocalization.map (Localization (obj G V)) (F.map ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
simp_rw [F.map_comp, CommRingCat.comp_eq_ring_hom_comp]
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F U V W : (Opens ↑X)ᵒᵖ i : U ⟶ V j : V ⟶ W ⊢ IsLocalization.map (Localization (obj G W)) (RingHom.comp (F.map j) (F.map i)) (_ : obj G U ≤ Submonoid.comap (RingHom.comp (F.map j) (F.map i))...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
rw [IsLocalization.map_comp_map]
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U := CommRingCat.of <| Localization (G.obj U) map {U V} i := CommRingCat.ofHom <| IsLocalization.map _ (F.map i) (G.map i)...
Mathlib.Topology.Sheaves.Operations.51_0.VAfusCW1hNuysqq
/-- The localization of a presheaf of `CommRing`s with respect to a `SubmonoidPresheaf`. -/ protected noncomputable def SubmonoidPresheaf.localizationPresheaf : X.Presheaf CommRingCat where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V ⊢ (fun U => ⨅ x, Submonoid.comap (germ F x) (S ↑x)) U ≤ Submonoid.comap (F.map i) ((fun U => ⨅ x, Submonoid.comap (germ F ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
intro s hs
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V s : (forget CommRingCat).obj (F.obj U) hs : s ∈ (fun U => ⨅ x, Submonoid.comap (germ F x) (S ↑x)) U ⊢ s ∈ Submonoid.comap (F.m...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
simp only [Submonoid.mem_comap, Submonoid.mem_iInf] at hs ⊢
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V s : (forget CommRingCat).obj (F.obj U) hs : ∀ (i : ↥U.unop), (germ F i) s ∈ S ↑i ⊢ ∀ (i_1 : ↥V.unop), (germ F i_1) ((F.map i) ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
intro x
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V s : (forget CommRingCat).obj (F.obj U) hs : ∀ (i : ↥U.unop), (germ F i) s ∈ S ↑i x : ↥V.unop ⊢ (germ F x) ((F.map i) s) ∈ S ↑x
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
change (F.map i.unop.op ≫ F.germ x) s ∈ _
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V s : (forget CommRingCat).obj (F.obj U) hs : ∀ (i : ↥U.unop), (germ F i) s ∈ S ↑i x : ↥V.unop ⊢ (F.map i.unop.op ≫ germ F x) s ...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
rw [F.germ_res]
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F : Presheaf CommRingCat X G : SubmonoidPresheaf F S : (x : ↑X) → Submonoid ↑(stalk F x) U V : (Opens ↑X)ᵒᵖ i : U ⟶ V s : (forget CommRingCat).obj (F.obj U) hs : ∀ (i : ↥U.unop), (germ F i) s ∈ S ↑i x : ↥V.unop ⊢ (germ F ((fun x => { val := ↑x,...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
exact hs _
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U := ⨅ x : U.unop, Subm...
Mathlib.Topology.Sheaves.Operations.86_0.VAfusCW1hNuysqq
/-- Given a submonoid at each of the stalks, we may define a submonoid presheaf consisting of sections whose restriction onto each stalk falls in the given submonoid. -/ @[simps] noncomputable def submonoidPresheafOfStalk (S : ∀ x : X, Submonoid (F.stalk x)) : F.SubmonoidPresheaf where obj U
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X ⊢ Mono (toTotalQuotientPresheaf (Sheaf.presheaf F))
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U)
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X this : ∀ (U : (Opens ↑X)ᵒᵖ), Mono ((toTotalQuotientPresheaf (Sheaf.presheaf F)).app U) ⊢ Mono (toTotalQuotientPresheaf (Sheaf.presheaf F))
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
apply NatTrans.mono_of_mono_app
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) ·
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X ⊢ ∀ (U : (Opens ↑X)ᵒᵖ), Mono ((toTotalQuotientPresheaf (Sheaf.presheaf F)).app U)
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
intro U
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ ⊢ Mono ((toTotalQuotientPresheaf (Sheaf.presheaf F)).app U)
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
apply ConcreteCategory.mono_of_injective
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ ⊢ Function.Injective ⇑((toTotalQuotientPresheaf (Sheaf.presheaf F)).app U)
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
dsimp [toTotalQuotientPresheaf, CommRingCat.ofHom]
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ ⊢ Function.Injective ⇑(algebraMap (↑((Sheaf.presheaf F).obj U)) (Localization (⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
set m := _
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : ?m.64484 := ?m.64485 ⊢ Function.Injective ⇑(algebraMap (↑((Sheaf.presheaf F).obj U)) (Localization (⨅ x, Submonoid.comap (...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
change Function.Injective (algebraMap _ (Localization m))
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sheaf....
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
change Function.Injective (algebraMap (F.presheaf.obj U) _)
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sheaf....
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
haveI : IsLocalization _ (Localization m) := Localization.isLocalization
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sheaf....
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
refine IsLocalization.injective (M := m) (S := Localization m) ?_
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sheaf....
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
intro s hs t e
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sheaf....
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
apply section_ext F (unop U)
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i.h X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Shea...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
intro x
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i.h X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Shea...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
rw [map_zero]
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i.h X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Shea...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
apply Submonoid.mem_iInf.mp hs x
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i.h.a X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sh...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
dsimp
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
case this.i.h.a X : TopCat C : Type u inst✝¹ : Category.{v, u} C inst✝ : ConcreteCategory C F✝ : Presheaf CommRingCat X G : SubmonoidPresheaf F✝ F : Sheaf CommRingCat X U : (Opens ↑X)ᵒᵖ m : Submonoid ((forget CommRingCat).obj ((Sheaf.presheaf F).obj U)) := ⨅ x, Submonoid.comap (germ (Sheaf.presheaf F) x) (↑(stalk (Sh...
/- Copyright (c) 2022 Andrew Yang. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Andrew Yang -/ import Mathlib.Algebra.Category.Ring.Instances import Mathlib.Algebra.Category.Ring.FilteredColimits import Mathlib.RingTheory.Localization.Basic import Mathlib.Topology.Sh...
rw [← map_mul, e, map_zero]
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf := by -- Porting note : was an `apply (config := { instances := false })` -- See https://github.com/leanprover/lean4/issues/2273 suffices : ∀ (U : (Opens ↑X)ᵒᵖ), Mono (F.presheaf.toTotalQuotientPresheaf.app U) · apply NatTrans.mono...
Mathlib.Topology.Sheaves.Operations.117_0.VAfusCW1hNuysqq
instance (F : X.Sheaf CommRingCat.{w}) : Mono F.presheaf.toTotalQuotientPresheaf
Mathlib_Topology_Sheaves_Operations
α : Type u_1 β : Type u_2 E : Type u_3 F : Type u_4 inst✝¹ : MeasurableSpace α inst✝ : TopologicalSpace β l l' : Filter α f✝ g : α → β μ ν : Measure α f : α → β ⊢ AEStronglyMeasurable f (Measure.restrict μ ∅)
/- Copyright (c) 2021 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Zhouhang Zhou, Yury Kudryashov -/ import Mathlib.MeasureTheory.Function.L1Space import Mathlib.Analysis.NormedSpace.IndicatorFunction #align_import measure_theory.integral.integrable_on...
simp
@[simp] theorem stronglyMeasurableAt_bot {f : α → β} : StronglyMeasurableAtFilter f ⊥ μ := ⟨∅, mem_bot, by
Mathlib.MeasureTheory.Integral.IntegrableOn.42_0.qIpN2P2TD1gUH4J
@[simp] theorem stronglyMeasurableAt_bot {f : α → β} : StronglyMeasurableAtFilter f ⊥ μ
Mathlib_MeasureTheory_Integral_IntegrableOn
α : Type u_1 β : Type u_2 E : Type u_3 F : Type u_4 inst✝¹ : MeasurableSpace α inst✝ : TopologicalSpace β l l' : Filter α f g : α → β μ ν : Measure α h : AEStronglyMeasurable f μ ⊢ AEStronglyMeasurable f (Measure.restrict μ univ)
/- Copyright (c) 2021 Rémy Degenne. All rights reserved. Released under Apache 2.0 license as described in the file LICENSE. Authors: Zhouhang Zhou, Yury Kudryashov -/ import Mathlib.MeasureTheory.Function.L1Space import Mathlib.Analysis.NormedSpace.IndicatorFunction #align_import measure_theory.integral.integrable_on...
rwa [Measure.restrict_univ]
protected theorem MeasureTheory.AEStronglyMeasurable.stronglyMeasurableAtFilter (h : AEStronglyMeasurable f μ) : StronglyMeasurableAtFilter f l μ := ⟨univ, univ_mem, by
Mathlib.MeasureTheory.Integral.IntegrableOn.58_0.qIpN2P2TD1gUH4J
protected theorem MeasureTheory.AEStronglyMeasurable.stronglyMeasurableAtFilter (h : AEStronglyMeasurable f μ) : StronglyMeasurableAtFilter f l μ
Mathlib_MeasureTheory_Integral_IntegrableOn