Theorems · Definition · category theory
CategoryTheory.Limits.cokernel.map
{C : Type u} →
[inst : CategoryTheory.Category.{v, u} C] →
[inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] →
{X Y : C} →
(f : X ⟶ Y) →
[inst_2 : CategoryTheory.Limits.HasCokernel f] →
{X' Y' : C} →
(f' : X' ⟶ Y') →
[inst_3 : CategoryTheory.Limits.HasCokernel f'] →
(p : X ⟶ X') →
(q : Y ⟶ Y') →
CategoryTheory.CategoryStruct.comp f q = CategoryTheory.CategoryStruct.comp p f' →
(CategoryTheory.Limits.cokernel f ⟶ CategoryTheory.Limits.cokernel f')A commuting square induces a morphism of cokernels.
- Cited by
- 23 results in Mathlib
- Foundations
- Depth 33 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- Quiver.Homstatement and proof · cited by 32,603
- CategoryTheory.CategoryStruct.compstatement and proof · cited by 17,999
- CategoryTheory.Limits.HasZeroMorphismsstatement and proof · cited by 3,275
- CategoryTheory.Limits.cokernelstatement · cited by 229
- CategoryTheory.Limits.cokernel.πproof · cited by 194
- CategoryTheory.Limits.HasCokernelstatement and proof · cited by 131
- CategoryTheory.Limits.cokernel.descproof · cited by 53
Cited by27
Results whose statement or proof uses this declaration.
- CategoryTheory.kernelCokernelCompSequence.snakeInputproof · cited by 31
- CategoryTheory.Limits.cokernel.mapIsoproof · cited by 4
- CategoryTheory.Abelian.PreservesCoimage.factorThruCoimage_iso_invproof · cited by 2
- CategoryTheory.Abelian.PreservesCoimage.iso_hom_πproof · cited by 2
- CategoryTheory.Limits.cokernel.map.congr_simpstatement and proof · cited by 2
- CategoryTheory.Limits.cokernel_map_comp_cokernelComparisonstatement and proof · cited by 2
- CategoryTheory.Abelian.coimageImageComparisonFunctorproof · cited by 2
- CategoryTheory.Limits.preserves_cokernel_iso_comp_cokernel_mapstatement and proof · cited by 1
- CategoryTheory.ObjectProperty.epiModSerre.isoModSerre_image_ιproof · cited by 1
- CategoryTheory.Limits.cokernel.mapIso_homstatement · cited by 1
- CategoryTheory.Limits.cokernel.mapIso_invstatement · cited by 1
- CategoryTheory.Limits.cokernel.map_descstatement · cited by 1