Theorems · Theorem · category theory
CategoryTheory.Limits.pullbackSymmetry_hom_comp_fst
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {X Y Z : C} (f : X ⟶ Z) (g : Y ⟶ Z)
[inst_1 : CategoryTheory.Limits.HasPullback f g],
CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.pullbackSymmetry f g).hom
(CategoryTheory.Limits.pullback.fst g f) =
CategoryTheory.Limits.pullback.snd f g- Cited by
- 18 results in Mathlib
- Foundations
- Depth 37 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites17
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 · cited by 17,999
- CategoryTheory.Iso.homstatement · cited by 7,684
- CategoryTheory.Limits.pullbackstatement · cited by 864
- CategoryTheory.Limits.pullback.fststatement and proof · cited by 639
- CategoryTheory.Limits.pullback.sndstatement and proof · cited by 637
- CategoryTheory.Limits.HasPullbackstatement and proof · cited by 434
- CategoryTheory.Limits.WalkingCospan.leftproof · cited by 190
- CategoryTheory.Limits.WalkingCospan.rightproof · cited by 182
- CategoryTheory.Limits.pullback.conditionproof · cited by 122
- CategoryTheory.Limits.PullbackCone.mk_π_appproof · cited by 120
Cited by18
Results whose statement or proof uses this declaration.
- CategoryTheory.Limits.pullbackSymmetry_hom_comp_fst_assocproof · cited by 12
- CategoryTheory.GlueData.t_invproof · cited by 6
- AlgebraicGeometry.Scheme.Pullback.t_fst_fstproof · cited by 5
- AlgebraicGeometry.Scheme.Pullback.t_sndproof · cited by 3
- AlgebraicGeometry.HasAffineProperty.isStableUnderBaseChangeproof · cited by 3
- CategoryTheory.Limits.pullbackSymmetry_inv_comp_sndproof · cited by 3
- AlgebraicGeometry.Scheme.Cover.gluedCoverT'_snd_fstproof · cited by 2
- AlgebraicGeometry.LocallyQuasiFinite.of_fiberToSpecResidueFieldproof · cited by 2
- AlgebraicGeometry.Scheme.Cover.fromGlued_injectiveproof · cited by 2
- AlgebraicGeometry.Scheme.Pullback.pullbackFstιToV_fstproof · cited by 2
- AlgebraicGeometry.Scheme.Cover.gluedCoverT'_fst_fstproof · cited by 2