Mathlib Map

Theorems · Theorem · category theory

CategoryTheory.Limits.PreservesKernel.iso_hom

∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {D : Type u₂} [inst_2 : CategoryTheory.Category.{v₂, u₂} D] [inst_3 : CategoryTheory.Limits.HasZeroMorphisms D]
  (G : CategoryTheory.Functor C D) [inst_4 : G.PreservesZeroMorphisms] {X Y : C} (f : X ⟶ Y)
  [inst_5 : CategoryTheory.Limits.HasKernel f] [inst_6 : CategoryTheory.Limits.HasKernel (G.map f)]
  [inst_7 : CategoryTheory.Limits.PreservesLimit (CategoryTheory.Limits.parallelPair f 0) G],
  (CategoryTheory.Limits.PreservesKernel.iso G f).hom = CategoryTheory.Limits.kernelComparison f G
Defined in
Mathlib.CategoryTheory.Limits.Preserves.Shapes.Kernels
Cited by
7 results in Mathlib
Foundations
Depth 40 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphismsCategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphismsCategoryTheory.Functor.PreservesZeroMorphismsCategoryTheory.Limits.HasKernelCategoryTheory.Limits.HasKernelCategoryTheory.Limits.PreservesLimit

Around this declaration

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

CategoryTheory.Abelian.PreservesCoimage.iso_hom_π · cited by 2PreservesCoimage.iso_hom_πCategoryTheory.Abelian.PreservesImage.factorThruImage_iso_hom · cited by 2PreservesImage.factorThru…CategoryTheory.Abelian.PreservesImage.iso_hom_ι · cited by 2PreservesImage.iso_hom_ιCategoryTheory.Abelian.FunctorCategory.coimageImageComparison_app · cited by 1FunctorCategory.coimageIm…CategoryTheory.Limits.kernel_map_comp_preserves_kernel_iso_inv · cited by 1Limits.kernel_map_comp_pr…CategoryTheory.Abelian.FunctorCategory.coimageObjIso_hom · cited by 0FunctorCategory.coimageOb…CategoryTheory.Abelian.FunctorCategory.imageObjIso_hom · cited by 0FunctorCategory.imageObjI…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.map · cited by 8698Functor.mapCategoryTheory.Iso.hom · cited by 7684Iso.homCategoryTheory.Limits.HasZeroMorphisms · cited by 3275Limits.HasZeroMorphismsCategoryTheory.Limits.WalkingParallelPair · cited by 781Limits.WalkingParallelPairCategoryTheory.Limits.parallelPair · cited by 766Limits.parallelPairCategoryTheory.Functor.PreservesZeroMorphisms · cited by 458Functor.PreservesZeroMorp…CategoryTheory.cancel_mono · cited by 435CategoryTheory.cancel_monoCategoryTheory.Limits.PreservesLimit · cited by 293Limits.PreservesLimitCategoryTheory.Limits.kernel · cited by 272Limits.kernelCategoryTheory.Limits.kernel.ι · cited by 214kernel.ιCategoryTheory.Limits.HasKernel · cited by 169Limits.HasKernelPreservesKernel.iso_homCITED BYCITES

Cites20

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by7

Results whose statement or proof uses this declaration.