Theorems · Definition · category theory
CategoryTheory.Limits.PullbackCone.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) → t.pt ⟶ YThe second projection of a pullback cone.
- Cited by
- 113 results in Mathlib
- Foundations
- Depth 23 from the axioms, rests on 142 definitions · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
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.NatTrans.appproof · cited by 7,406
- CategoryTheory.Limits.WalkingPairstatement · cited by 1,319
- CategoryTheory.Limits.Cone.ptstatement · cited by 1,298
- CategoryTheory.Limits.Cone.πproof · cited by 500
- CategoryTheory.Limits.WalkingCospanstatement · cited by 496
- CategoryTheory.Limits.cospanstatement · cited by 467
- CategoryTheory.Limits.WalkingCospan.rightproof · cited by 182
- CategoryTheory.Limits.PullbackConestatement and proof · cited by 136
Cited by177
Results whose statement or proof uses this declaration.
- CategoryTheory.Limits.PullbackCone.conditionstatement · cited by 44
- AlgebraicGeometry.pullbackSpecIsoproof · cited by 26
- CategoryTheory.Limits.pullbackConeEquivBinaryFanproof · cited by 23
- CategoryTheory.Limits.PullbackCone.IsLimit.mkstatement and proof · cited by 14
- CategoryTheory.Limits.IsLimit.pullbackConeEquivBinaryFanFunctorproof · cited by 13
- CategoryTheory.IsPullback.of_isLimitstatement and proof · cited by 12
- CategoryTheory.Limits.PullbackCone.IsLimit.lift_sndstatement · cited by 12
- CategoryTheory.Limits.PullbackCone.IsLimit.hom_extstatement and proof · cited by 11
- CategoryTheory.Limits.FormalCoproduct.pullbackConeproof · cited by 10
- CategoryTheory.regularTopology.equalizerCondition_wstatement and proof · cited by 7
- AlgebraicGeometry.pullbackSpecIso_inv_fstproof · cited by 7
- CategoryTheory.Limits.pasteHorizIsPullbackproof · cited by 6