Theorems · Definition · category theory
CategoryTheory.Limits.WidePullback.lift
{J : Type w} →
{C : Type u} →
[inst : CategoryTheory.Category.{v, u} C] →
{B : C} →
{objs : J → C} →
{arrows : (j : J) → objs j ⟶ B} →
[inst_1 : CategoryTheory.Limits.HasWidePullback B objs arrows] →
{X : C} →
(f : X ⟶ B) →
(fs : (j : J) → X ⟶ objs j) →
(∀ (j : J), CategoryTheory.CategoryStruct.comp (fs j) (arrows j) = f) →
(X ⟶ CategoryTheory.Limits.widePullback B objs arrows)Lift a collection of morphisms to a morphism to the pullback.
- Cited by
- 12 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.limit.liftproof · cited by 48
- CategoryTheory.Limits.HasWidePullbackstatement and proof · cited by 44
- CategoryTheory.Limits.widePullbackstatement · cited by 31
- CategoryTheory.Limits.WidePullbackShape.wideCospanproof · cited by 22
- CategoryTheory.Limits.WidePullbackShape.mkConeproof · cited by 8
Cited by17
Results whose statement or proof uses this declaration.
- CategoryTheory.Arrow.cechNerveproof · cited by 18
- CategoryTheory.Arrow.AugmentedCechNerve.ExtraDegeneracy.sproof · cited by 6
- CategoryTheory.SimplicialObject.equivalenceLeftToRightproof · cited by 3
- CategoryTheory.Arrow.mapCechNerveproof · cited by 3
- CategoryTheory.Limits.WidePullback.lift_basestatement · cited by 2
- CategoryTheory.Limits.WidePullback.lift_πstatement · cited by 1
- CategoryTheory.Limits.WidePullback.lift_base_assocstatement and proof · cited by 0
- CategoryTheory.Limits.WidePullback.lift_π_assocstatement and proof · cited by 0
- CategoryTheory.Limits.WidePullback.lift.congr_simpstatement and proof · cited by 0
- CategoryTheory.SimplicialObject.augmentedCechNerve_map_left_appstatement · cited by 0
- CategoryTheory.SimplicialObject.augmentedCechNerve_obj_left_mapstatement · cited by 0
- CategoryTheory.Arrow.cechNerve_mapstatement · cited by 0