Theorems · Theorem · category theory
CategoryTheory.Limits.PullbackCone.IsLimit.lift_snd
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {X Y Z : C} {f : X ⟶ Z} {g : Y ⟶ Z}
{t : CategoryTheory.Limits.PullbackCone f g} (ht : CategoryTheory.Limits.IsLimit t) {W : C} (h : W ⟶ X) (k : W ⟶ Y)
(w : CategoryTheory.CategoryStruct.comp h f = CategoryTheory.CategoryStruct.comp k g),
CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.PullbackCone.IsLimit.lift ht h k w) t.snd = k- Cited by
- 12 results in Mathlib
- Foundations
- Depth 25 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites14
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.WalkingPairstatement · cited by 1,319
- CategoryTheory.Limits.Cone.ptstatement · cited by 1,298
- CategoryTheory.Limits.IsLimitstatement and proof · cited by 664
- CategoryTheory.Limits.WalkingCospanstatement · cited by 496
- CategoryTheory.Limits.cospanstatement · cited by 467
- CategoryTheory.Limits.PullbackCone.mkproof · cited by 203
- CategoryTheory.Limits.WalkingCospan.rightproof · cited by 182
- CategoryTheory.Limits.PullbackConestatement and proof · cited by 136
- CategoryTheory.Limits.PullbackCone.sndstatement · cited by 113
Cited by12
Results whose statement or proof uses this declaration.
- CategoryTheory.IsPullback.lift_sndproof · cited by 20
- CategoryTheory.IsKernelPair.lift_sndproof · cited by 4
- CategoryTheory.Functor.relativelyRepresentable.lift_sndproof · cited by 3
- CategoryTheory.Limits.CoproductDisjoint.of_cofanproof · cited by 2
- CategoryTheory.Limits.PullbackCone.isIso_fst_of_mono_of_isLimitproof · cited by 2
- CategoryTheory.Subobject.map_pullbackproof · cited by 1
- CategoryTheory.Equalizer.Presieve.isSheafFor_singleton_iffproof · cited by 1
- CategoryTheory.Limits.PullbackCone.IsLimit.lift_snd_assocproof · cited by 0
- CategoryTheory.regularTopology.parallelPair_pullback_initialproof · cited by 0