Theorems · Definition · category theory
CategoryTheory.Limits.KernelFork.isLimitMapConeEquiv
{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] →
{X Y : C} →
{f : X ⟶ Y} →
(c : CategoryTheory.Limits.KernelFork f) →
(G : CategoryTheory.Functor C D) →
[inst_4 : G.PreservesZeroMorphisms] →
CategoryTheory.Limits.IsLimit (G.mapCone c) ≃ CategoryTheory.Limits.IsLimit (c.map G)The underlying cone of a kernel fork is mapped to a limit cone if and only if the mapped kernel fork is limit.
- Cited by
- 7 results in Mathlib
- Foundations
- Depth 35 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites25
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.Functor.objstatement and proof · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapstatement · cited by 8,698
- Equivstatement · cited by 8,337
- CategoryTheory.Iso.homproof · cited by 7,684
- CategoryTheory.Functor.compstatement and proof · cited by 6,529
- Equiv.symmproof · cited by 3,681
- CategoryTheory.Limits.HasZeroMorphismsstatement and proof · cited by 3,275
- CategoryTheory.Limits.Cone.ptproof · cited by 1,298
- CategoryTheory.Limits.WalkingParallelPairstatement · cited by 781
Cited by12
Results whose statement or proof uses this declaration.
- CategoryTheory.kernelCokernelCompSequence.snakeInputproof · cited by 31
- HomologicalComplex.HomologySequence.snakeInputproof · cited by 27
- CategoryTheory.Limits.KernelFork.mapIsLimitproof · cited by 5
- CategoryTheory.Functor.preservesFiniteLimits_tfaeproof · cited by 5
- CategoryTheory.ObjectProperty.SerreClassLocalization.preservesKernelproof · cited by 3
- CategoryTheory.Functor.preservesHomology_of_map_exactproof · cited by 2
- CategoryTheory.ObjectProperty.SerreClassLocalization.hasKernelsproof · cited by 1
- CategoryTheory.Limits.isLimitMapConeForkEquiv'proof · cited by 1
- CochainComplex.Lifting.exists_homproof · cited by 1
- CategoryTheory.Limits.kerIsKernelproof · cited by 0