Theorems · Definition · category theory
CategoryTheory.Limits.pushout.desc
{C : Type u} →
[inst : CategoryTheory.Category.{v, u} C] →
{W X Y Z : C} →
{f : X ⟶ Y} →
{g : X ⟶ Z} →
[inst_1 : CategoryTheory.Limits.HasPushout f g] →
(h : Y ⟶ W) →
(k : Z ⟶ W) →
autoParam (CategoryTheory.CategoryStruct.comp f h = CategoryTheory.CategoryStruct.comp g k)
CategoryTheory.Limits.pushout.desc._auto_1 →
(CategoryTheory.Limits.pushout f g ⟶ W)A pair of morphisms h : Y ⟶ W and k : Z ⟶ W satisfying f ≫ h = g ≫ k induces a morphism
pushout.desc : pushout f g ⟶ W.
- Cited by
- 46 results in Mathlib
- Foundations
- Depth 24 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
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.spanproof · cited by 294
- CategoryTheory.Limits.pushoutstatement · cited by 284
- CategoryTheory.Limits.HasPushoutstatement and proof · cited by 192
- CategoryTheory.Limits.PushoutCocone.mkproof · cited by 89
- CategoryTheory.Limits.colimit.descproof · cited by 63
Cited by71
Results whose statement or proof uses this declaration.
- CategoryTheory.Functor.PushoutObjObj.ofHasPushoutproof · cited by 34
- CategoryTheory.Under.pushoutproof · cited by 21
- CategoryTheory.MorphismProperty.Under.pushoutproof · cited by 15
- CategoryTheory.Limits.pushout.mapproof · cited by 14
- AlgebraicGeometry.pushoutSectionproof · cited by 12
- CategoryTheory.SmallObject.πFunctorObjproof · cited by 11
- CategoryTheory.Limits.pushoutComparisonproof · cited by 8
- CategoryTheory.MonoidalCategory.Arrow.PushoutProduct.associatorproof · cited by 8
- CategoryTheory.Limits.pushout.codiagonalproof · cited by 8
- CategoryTheory.Limits.pushout.inl_descstatement · cited by 8
- CategoryTheory.Limits.pushout.inr_descstatement · cited by 8
- CategoryTheory.Limits.pushout.desc.congr_simpstatement and proof · cited by 7