Theorems · Theorem · category theory
CategoryTheory.Functor.essImage.ofIso
∀ {C : Type u₁} {D : Type u₂} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
{F : CategoryTheory.Functor C D} {Y Y' : D} (h : Y ≅ Y'), F.essImage Y → F.essImage Y'Being in the essential image is a "hygienic" property: it is preserved under isomorphism.
- Defined in
- Mathlib.CategoryTheory.EssentialImage
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 16 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
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.objproof · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Isostatement and proof · cited by 3,963
- CategoryTheory.Iso.transproof · cited by 566
- Nonempty.mapproof · cited by 101
- CategoryTheory.Functor.essImagestatement and proof · cited by 82
Cited by3
Results whose statement or proof uses this declaration.
- AlgebraicGeometry.IsAffine.of_isIsoproof · cited by 11
- CategoryTheory.ExponentialIdeal.mk'proof · cited by 1
- CategoryTheory.Sheaf.isConstant_congrproof · cited by 0