Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Presieve.category

{C : Type u₁} → [inst : CategoryTheory.Category.{v₁, u₁} C] → {X : C} → CategoryTheory.Presieve X → Type (max u₁ v₁)

The full subcategory of the over category C/X consisting of arrows which belong to a presieve on X.

Defined in
Mathlib.CategoryTheory.Sites.Sieves
Cited by
38 results in Mathlib
Foundations
Depth 27 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.Category

Around this declaration

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

CategoryTheory.Presieve.cocone · cited by 23Presieve.coconeCategoryTheory.Presieve.diagram · cited by 17Presieve.diagramCategoryTheory.Presheaf.isSheaf_iff_isLimit · cited by 6Presheaf.isSheaf_iff_isLi…CategoryTheory.Sieve.ofArrows_category' · cited by 6Sieve.ofArrows_category'CategoryTheory.Sieve.exists_eq_ofArrows · cited by 5Sieve.exists_eq_ofArrowsCategoryTheory.Sieve.forallYonedaIsSheaf_iff_colimit · cited by 4Sieve.forallYonedaIsSheaf…CategoryTheory.Presieve.yonedaFamilyOfElements_fromCocone · cited by 3Presieve.yonedaFamilyOfEl…CategoryTheory.Presieve.categoryMk · cited by 3Presieve.categoryMkCategoryTheory.Presheaf.isLimit_iff_isSheafFor · cited by 2Presheaf.isLimit_iff_isSh…CategoryTheory.Pseudofunctor.IsStackFor.isPrestackFor · cited by 2IsStackFor.isPrestackForCategoryTheory.GrothendieckTopology.Point.isSheaf_skyscraperPresheaf · cited by 2Point.isSheaf_skyscraperP…CategoryTheory.Pseudofunctor.isPrestackFor_iff · cited by 2Pseudofunctor.isPrestackF…CategoryTheory.Pseudofunctor.isStackFor_iff · cited by 2Pseudofunctor.isStackFor_…CategoryTheory.Pseudofunctor.isStackFor_ofArrows_iff · cited by 2Pseudofunctor.isStackFor_…CategoryTheory.PresheafHom.IsSheafFor.app · cited by 2IsSheafFor.appCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Over · cited by 935CategoryTheory.OverCategoryTheory.ObjectProperty.FullSubcategory · cited by 726ObjectProperty.FullSubcat…CategoryTheory.Over.left · cited by 541Over.leftCategoryTheory.Presieve · cited by 449CategoryTheory.PresieveCategoryTheory.Over.hom · cited by 370Over.homPresieve.categoryCITED BYCITES

Cites6

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by62

Results whose statement or proof uses this declaration.