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Theorems · Theorem · category theory

CategoryTheory.IsPullback.map

∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
  (F : CategoryTheory.Functor C D) {W X Y Z : C} {f : W ⟶ X} {g : W ⟶ Y} {h : X ⟶ Z} {i : Y ⟶ Z}
  [CategoryTheory.Limits.PreservesLimit (CategoryTheory.Limits.cospan h i) F],
  CategoryTheory.IsPullback f g h i → CategoryTheory.IsPullback (F.map f) (F.map g) (F.map h) (F.map i)

Alias of CategoryTheory.Functor.map_isPullback.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.Pullback.IsPullback.Basic
Cited by
20 results in Mathlib
Foundations
Depth 37 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Limits.PreservesLimit

Around this declaration

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

CategoryTheory.NatTrans.Equifibered.whiskerRight · cited by 5Equifibered.whiskerRightAlgebraicGeometry.isPullback_SpecMap_of_isPushout · cited by 2AlgebraicGeometry.isPullb…CategoryTheory.IsVanKampenColimit.map_reflective · cited by 2IsVanKampenColimit.map_re…AlgebraicGeometry.Scheme.isPullback_toSpecΓ_toSpecΓ · cited by 1Scheme.isPullback_toSpecΓ…CategoryTheory.IsUniversalColimit.map_reflective · cited by 1IsUniversalColimit.map_re…CategoryTheory.IsPullback.preservesLimit_cospan_iff · cited by 1IsPullback.preservesLimit…CategoryTheory.Abelian.Preradical.isPullback_colon_obj · cited by 1Preradical.isPullback_col…CategoryTheory.MorphismProperty.relative_map · cited by 1MorphismProperty.relative…CategoryTheory.IsPullback.map_iff · cited by 1IsPullback.map_iffCategoryTheory.IsGrothendieckAbelian.IsPresentable.surjectivity.isIso_f · cited by 1surjectivity.isIso_fCategoryTheory.IsPullback.app · cited by 1IsPullback.appCategoryTheory.PreOneHypercover.functorPushforward_sieve₁_of_preservesPullbacks · cited by 1PreOneHypercover.functorP…CategoryTheory.isVanKampenColimit_of_evaluation · cited by 0CategoryTheory.isVanKampe…CategoryTheory.IsUniversalColimit.of_mapCocone · cited by 0IsUniversalColimit.of_map…SSet.relativeCellComplexOfMono.isPushout · cited by 0relativeCellComplexOfMono…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.map · cited by 8698Functor.mapCategoryTheory.Limits.WalkingPair · cited by 1319Limits.WalkingPairCategoryTheory.Limits.WalkingCospan · cited by 496Limits.WalkingCospanCategoryTheory.Limits.cospan · cited by 467Limits.cospanCategoryTheory.IsPullback · cited by 320CategoryTheory.IsPullbackCategoryTheory.Limits.PreservesLimit · cited by 293Limits.PreservesLimitCategoryTheory.Functor.map_isPullback · cited by 2Functor.map_isPullbackIsPullback.mapCITED BYCITES

Cites11

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

Cited by20

Results whose statement or proof uses this declaration.