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Theorems · Definition · category theory

CategoryTheory.Equivalence.symm

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} → [inst_1 : CategoryTheory.Category.{v₂, u₂} D] → (C ≌ D) → (D ≌ C)

Equivalence of categories is symmetric.

Defined in
Mathlib.CategoryTheory.Equivalence
Cited by
195 results in Mathlib
Foundations
Depth 26 from the axioms, rests on 125 definitions · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Category

Around this declaration

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

CategoryTheory.Shrink.equivalence · cited by 18Shrink.equivalenceCategoryTheory.Localization.uniq · cited by 17Localization.uniqCategoryTheory.Localization.compUniqFunctor · cited by 16Localization.compUniqFunc…CategoryTheory.IsFiltered.of_equivalence · cited by 15IsFiltered.of_equivalenceCategoryTheory.MonoidalOpposite.unmopEquiv · cited by 14MonoidalOpposite.unmopEqu…TopCat.Presheaf.presheafEquivOfIso · cited by 12Presheaf.presheafEquivOfI…TopologicalSpace.Opens.mapMapIso · cited by 12Opens.mapMapIsoCategoryTheory.ComposableArrows.opEquivalence · cited by 10ComposableArrows.opEquiva…CategoryTheory.Equivalence.symmEquivInverse · cited by 10Equivalence.symmEquivInve…CategoryTheory.ShiftedHom.opEquiv · cited by 9ShiftedHom.opEquivCategoryTheory.prod.prodμ · cited by 8prod.prodμCategoryTheory.Functor.Final.isColimitWhiskerEquiv · cited by 8Final.isColimitWhiskerEqu…CategoryTheory.Functor.Initial.isLimitWhiskerEquiv · cited by 8Initial.isLimitWhiskerEqu…CategoryTheory.Equivalence.rightOp · cited by 8Equivalence.rightOpCategoryTheory.SmallObject.hasColimitsOfShape_discrete · cited by 7SmallObject.hasColimitsOf…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Equivalence.functor · cited by 1268Equivalence.functorCategoryTheory.Equivalence.inverse · cited by 1130Equivalence.inverseCategoryTheory.Iso.symm · cited by 993Iso.symmCategoryTheory.Equivalence · cited by 601CategoryTheory.EquivalenceCategoryTheory.Equivalence.unitIso · cited by 536Equivalence.unitIsoCategoryTheory.Equivalence.counitIso · cited by 480Equivalence.counitIsoCategoryTheory.Equivalence.inverse_counitInv_comp · cited by 2Equivalence.inverse_couni…Equivalence.symmCITED BYCITES

Cites8

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Cited by272

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