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Theorems · Theorem · category theory

CategoryTheory.GradedObject.mapObj_ext

∀ {I : Type u_1} {J : Type u_2} {C : Type u_4} [inst : CategoryTheory.Category.{v_1, u_4} C]
  (X : CategoryTheory.GradedObject I C) (p : I → J) [inst_1 : X.HasMap p] {A : C} {j : J} (f g : X.mapObj p j ⟶ A),
  (∀ (i : I) (hij : p i = j),
      CategoryTheory.CategoryStruct.comp (X.ιMapObj p i j hij) f =
        CategoryTheory.CategoryStruct.comp (X.ιMapObj p i j hij) g) →
    f = g
Defined in
Mathlib.CategoryTheory.GradedObject
Cited by
14 results in Mathlib
Foundations
Depth 28 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.GradedObject.HasMap

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

HomologicalComplex₂.total.hom_ext · cited by 12total.hom_extCategoryTheory.GradedObject.Monoidal.tensorObj_ext · cited by 6Monoidal.tensorObj_extHomologicalComplex₂.D₁_shape · cited by 6HomologicalComplex₂.D₁_sh…HomologicalComplex₂.D₂_shape · cited by 6HomologicalComplex₂.D₂_sh…CategoryTheory.GradedObject.mapBifunctorMapObj_ext · cited by 2GradedObject.mapBifunctor…HomologicalComplex₂.D₂_D₁ · cited by 2HomologicalComplex₂.D₂_D₁CategoryTheory.GradedObject.mapMap_comp · cited by 2GradedObject.mapMap_compCategoryTheory.GradedObject.mapMap_id · cited by 2GradedObject.mapMap_idHomologicalComplex₂.total.mapAux.mapMap_D₁ · cited by 1mapAux.mapMap_D₁HomologicalComplex₂.total.mapAux.mapMap_D₂ · cited by 1mapAux.mapMap_D₂CategoryTheory.GradedObject.mapTrifunctorMapObj_ext · cited by 1GradedObject.mapTrifuncto…HomologicalComplex₂.D₁_D₁ · cited by 1HomologicalComplex₂.D₁_D₁HomologicalComplex₂.D₂_D₂ · cited by 1HomologicalComplex₂.D₂_D₂CategoryTheory.GradedObject.mapObj_ext_iff · cited by 0GradedObject.mapObj_ext_i…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.CategoryStruct.comp · cited by 17999CategoryStruct.compSet.Elem · cited by 7166Set.ElemSet.preimage · cited by 4946Set.preimageCategoryTheory.GradedObject · cited by 239CategoryTheory.GradedObje…CategoryTheory.Limits.Cofan.inj · cited by 170Cofan.injCategoryTheory.GradedObject.HasMap · cited by 99GradedObject.HasMapCategoryTheory.GradedObject.mapObj · cited by 83GradedObject.mapObjCategoryTheory.GradedObject.ιMapObj · cited by 30GradedObject.ιMapObjCategoryTheory.Limits.Cofan.IsColimit.hom_ext · cited by 16IsColimit.hom_extCategoryTheory.GradedObject.isColimitCofanMapObj · cited by 5GradedObject.isColimitCof…CategoryTheory.GradedObject.cofanMapObj · cited by 2GradedObject.cofanMapObjGradedObject.mapObj_extCITED BYCITES

Cites13

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Cited by14

Results whose statement or proof uses this declaration.