Theorems · Definition · category theory
CategoryTheory.Over.postEquiv
{T : Type u₁} →
[inst : CategoryTheory.Category.{v₁, u₁} T] →
{D : Type u₂} →
[inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
(X : T) → (F : T ≌ D) → CategoryTheory.Over X ≌ CategoryTheory.Over (F.functor.obj X)An equivalence of categories induces an equivalence on over categories.
- Defined in
- Mathlib.CategoryTheory.Comma.Over.Basic
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 35 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites17
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- CategoryTheory.Functor.objstatement and proof · cited by 19,642
- CategoryTheory.NatTrans.appproof · cited by 7,406
- CategoryTheory.Functor.compproof · cited by 6,529
- CategoryTheory.Iso.invproof · cited by 6,514
- CategoryTheory.Equivalence.functorstatement and proof · cited by 1,268
- CategoryTheory.Equivalence.inverseproof · cited by 1,130
- CategoryTheory.Overstatement and proof · cited by 935
- CategoryTheory.Equivalencestatement and proof · cited by 601
- CategoryTheory.Over.leftproof · cited by 541
- CategoryTheory.Equivalence.unitIsoproof · cited by 536
- CategoryTheory.Equivalence.counitIsoproof · cited by 480
Cited by4
Results whose statement or proof uses this declaration.
- CategoryTheory.Over.postEquiv_counitIsostatement and proof · cited by 0
- CategoryTheory.Over.postEquiv_functorstatement and proof · cited by 0
- CategoryTheory.Over.postEquiv_inversestatement and proof · cited by 0
- CategoryTheory.Over.postEquiv_unitIsostatement and proof · cited by 0