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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.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.WidePullbacks
Cited by
12 results in Mathlib
Foundations
Depth 24 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Limits.HasWidePullback

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.Arrow.cechNerve · cited by 18Arrow.cechNerveCategoryTheory.Arrow.AugmentedCechNerve.ExtraDegeneracy.s · cited by 6ExtraDegeneracy.sCategoryTheory.SimplicialObject.equivalenceLeftToRight · cited by 3SimplicialObject.equivale…CategoryTheory.Arrow.mapCechNerve · cited by 3Arrow.mapCechNerveCategoryTheory.Limits.WidePullback.lift_base · cited by 2WidePullback.lift_baseCategoryTheory.Limits.WidePullback.lift_π · cited by 1WidePullback.lift_πCategoryTheory.Limits.WidePullback.lift_base_assoc · cited by 0WidePullback.lift_base_as…CategoryTheory.Limits.WidePullback.lift_π_assoc · cited by 0WidePullback.lift_π_assocCategoryTheory.Limits.WidePullback.lift.congr_simp · cited by 0lift.congr_simpCategoryTheory.SimplicialObject.augmentedCechNerve_map_left_app · cited by 0SimplicialObject.augmente…CategoryTheory.SimplicialObject.augmentedCechNerve_obj_left_map · cited by 0SimplicialObject.augmente…CategoryTheory.Arrow.cechNerve_map · cited by 0Arrow.cechNerve_mapCategoryTheory.SimplicialObject.equivalenceLeftToRight_left_app · cited by 0SimplicialObject.equivale…CategoryTheory.Arrow.mapCechNerve_app · cited by 0Arrow.mapCechNerve_appCategoryTheory.Arrow.AugmentedCechNerve.extraDegeneracy · cited by 0AugmentedCechNerve.extraD…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.CategoryStruct.comp · cited by 17999CategoryStruct.compCategoryTheory.Limits.limit.lift · cited by 48limit.liftCategoryTheory.Limits.HasWidePullback · cited by 44Limits.HasWidePullbackCategoryTheory.Limits.widePullback · cited by 31Limits.widePullbackCategoryTheory.Limits.WidePullbackShape.wideCospan · cited by 22WidePullbackShape.wideCos…CategoryTheory.Limits.WidePullbackShape.mkCone · cited by 8WidePullbackShape.mkConeWidePullback.liftCITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by17

Results whose statement or proof uses this declaration.