Theorems · Definition · category theory
CategoryTheory.Functor.Elements
{C : Type u} → [inst : CategoryTheory.Category.{v, u} C] → CategoryTheory.Functor C (Type w) → Type (max u w)The type of objects for the category of elements of a functor F : C ⥤ Type
is a pair (X : C, x : F.obj X).
- Defined in
- Mathlib.CategoryTheory.Elements
- Cited by
- 141 results in Mathlib
- Foundations
- Depth 11 from the axioms, rests on 53 definitions · uses no axioms
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
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
Cited by214
Results whose statement or proof uses this declaration.
- CategoryTheory.GrothendieckTopology.Point.presheafFiberproof · cited by 89
- CategoryTheory.CategoryOfElements.πstatement and proof · cited by 48
- CategoryTheory.Functor.elementsMkstatement · cited by 14
- CategoryTheory.CategoryOfElements.homMkstatement and proof · cited by 13
- CategoryTheory.ActionCategoryproof · cited by 12
- CategoryTheory.Grothendieck.grothendieckTypeToCatstatement and proof · cited by 12
- CategoryTheory.Grothendieck.grothendieckTypeToCatFunctorstatement · cited by 9
- CategoryTheory.Grothendieck.grothendieckTypeToCatInversestatement and proof · cited by 9
- CategoryTheory.CategoryOfElements.costructuredArrowYonedaEquivalencestatement and proof · cited by 9
- CategoryTheory.GrothendieckTopology.Point.presheafFiberDescproof · cited by 7
- CategoryTheory.CategoryOfElements.costructuredArrowULiftYonedaEquivalencestatement and proof · cited by 7
- CategoryTheory.CategoryOfElements.fromCostructuredArrowstatement · cited by 7
Showing the 200 most cited of 214.