Theorems · Definition · order theory
CategoryTheory.orderDualEquivalence
(X : Type u) → [inst : Preorder X] → Xᵒᵈ ≌ Xᵒᵖ
The equivalence of categories from the order dual of a preordered type X
to the opposite category of the preorder X.
- Defined in
- Mathlib.CategoryTheory.Category.Preorder
- Cited by
- 15 results in Mathlib
- Foundations
- Depth 21 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Preorder
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites14
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Quiver.Homproof · cited by 32,603
- Oppositestatement and proof · cited by 8,081
- Preorderstatement and proof · cited by 7,952
- CategoryTheory.Functor.compproof · cited by 6,529
- CategoryTheory.Functor.idproof · cited by 3,333
- Opposite.unopproof · cited by 2,231
- Quiver.Hom.opproof · cited by 1,948
- OrderDualstatement and proof · cited by 927
- CategoryTheory.Iso.reflproof · cited by 727
- CategoryTheory.Equivalencestatement · cited by 601
- CategoryTheory.homOfLEproof · cited by 554
Cited by16
Results whose statement or proof uses this declaration.
- CategoryTheory.ComposableArrows.opEquivalenceproof · cited by 10
- CategoryTheory.isArtinianObject_iff_isEventuallyConstantproof · cited by 1
- CategoryTheory.ComposableArrows.opEquivalence_counitIso_hom_app_appstatement and proof · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_counitIso_inv_app_appstatement and proof · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_functor_map_appstatement · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_functor_obj_mapstatement · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_inverse_mapstatement · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_inverse_objstatement · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_unitIso_hom_appstatement and proof · cited by 0
- CategoryTheory.ComposableArrows.opEquivalence_unitIso_inv_appstatement and proof · cited by 0
- CategoryTheory.orderDualEquivalence_counitIsostatement and proof · cited by 0
- CategoryTheory.orderDualEquivalence_functor_mapstatement and proof · cited by 0