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Theorems · Definition · category theory

CategoryTheory.IsPullback.isLimit

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {P X Y Z : C} →
      {fst : P ⟶ X} →
        {snd : P ⟶ Y} →
          {f : X ⟶ Z} → {g : Y ⟶ Z} → (h : CategoryTheory.IsPullback fst snd f g) → CategoryTheory.Limits.IsLimit h.cone

The cone obtained from IsPullback fst snd f g is a limit cone.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.Pullback.IsPullback.Defs
Cited by
47 results in Mathlib
Foundations
Depth 26 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.Category

Around this declaration

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

CategoryTheory.IsPullback.flip · cited by 61IsPullback.flipCategoryTheory.IsPullback.isoPullback · cited by 42IsPullback.isoPullbackCategoryTheory.IsPullback.lift · cited by 28IsPullback.liftCategoryTheory.IsPullback.lift_fst · cited by 23IsPullback.lift_fstCategoryTheory.IsPullback.lift_snd · cited by 20IsPullback.lift_sndCategoryTheory.IsPullback.paste_vert · cited by 19IsPullback.paste_vertCategoryTheory.IsPullback.of_iso · cited by 17IsPullback.of_isoCategoryTheory.IsPullback.hom_ext · cited by 16IsPullback.hom_extCategoryTheory.IsPullback.isoIsPullback · cited by 11IsPullback.isoIsPullbackCategoryTheory.IsPullback.isoPullback_hom_snd · cited by 11IsPullback.isoPullback_ho…CategoryTheory.IsPullback.isoPullback_hom_fst · cited by 10IsPullback.isoPullback_ho…CategoryTheory.IsPullback.of_bot · cited by 8IsPullback.of_botCategoryTheory.IsPullback.hasPullback · cited by 8IsPullback.hasPullbackCategoryTheory.IsKernelPair.lift · cited by 7IsKernelPair.liftCategoryTheory.Functor.relativelyRepresentable.lift · cited by 7relativelyRepresentable.l…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Limits.WalkingPair · cited by 1319Limits.WalkingPairCategoryTheory.Limits.IsLimit · cited by 664Limits.IsLimitCategoryTheory.Limits.WalkingCospan · cited by 496Limits.WalkingCospanCategoryTheory.Limits.cospan · cited by 467Limits.cospanNonempty.some · cited by 340Nonempty.someCategoryTheory.IsPullback · cited by 320CategoryTheory.IsPullbackCategoryTheory.IsPullback.cone · cited by 16IsPullback.coneCategoryTheory.IsPullback.isLimit' · cited by 2IsPullback.isLimit'IsPullback.isLimitCITED BYCITES

Cites10

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

Cited by58

Results whose statement or proof uses this declaration.