Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Limits.IsLimit.ofPointIso

{J : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} J] →
    {C : Type u₃} →
      [inst_1 : CategoryTheory.Category.{v₃, u₃} C] →
        {F : CategoryTheory.Functor J C} →
          {r t : CategoryTheory.Limits.Cone F} →
            (P : CategoryTheory.Limits.IsLimit r) →
              [i : CategoryTheory.IsIso (P.lift t)] → CategoryTheory.Limits.IsLimit t

If the canonical morphism from a cone point to a limiting cone point is an iso, then the first cone was limiting also.

Defined in
Mathlib.CategoryTheory.Limits.IsLimit
Cited by
9 results in Mathlib
Foundations
Depth 31 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.IsIso

Around this declaration

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

CategoryTheory.Limits.PreservesProduct.of_iso_comparison · cited by 2PreservesProduct.of_iso_c…CategoryTheory.Limits.IsLimit.nonempty_isLimit_iff_isIso_lift · cited by 2IsLimit.nonempty_isLimit_…CategoryTheory.Limits.PreservesLimitPair.of_iso_prod_comparison · cited by 2PreservesLimitPair.of_iso…CategoryTheory.preservesLimit_of_isIso_post · cited by 1CategoryTheory.preservesL…CategoryTheory.Limits.reflectsLimit_of_reflectsIsomorphisms · cited by 1Limits.reflectsLimit_of_r…CategoryTheory.Limits.PreservesTerminal.of_iso_comparison · cited by 1PreservesTerminal.of_iso_…CategoryTheory.Limits.PreservesPullback.of_iso_comparison · cited by 0PreservesPullback.of_iso_…CategoryTheory.Limits.PreservesKernel.of_iso_comparison · cited by 0PreservesKernel.of_iso_co…CategoryTheory.Limits.PreservesEqualizer.of_iso_comparison · cited by 0PreservesEqualizer.of_iso…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Limits.Cone.pt · cited by 1298Cone.ptCategoryTheory.IsIso · cited by 1156CategoryTheory.IsIsoCategoryTheory.Iso.symm · cited by 993Iso.symmCategoryTheory.Limits.Cone · cited by 710Limits.ConeCategoryTheory.Limits.IsLimit · cited by 664Limits.IsLimitCategoryTheory.asIso · cited by 177CategoryTheory.asIsoCategoryTheory.Limits.IsLimit.lift · cited by 167IsLimit.liftCategoryTheory.Limits.IsLimit.ofIsoLimit · cited by 39IsLimit.ofIsoLimitCategoryTheory.Limits.IsLimit.liftConeMorphism · cited by 18IsLimit.liftConeMorphismIsLimit.ofPointIsoCITED BYCITES

Cites11

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

Cited by9

Results whose statement or proof uses this declaration.