Theorems · Theorem · category theory

CategoryTheory.Presheaf.imageSieve_mem

∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (J : CategoryTheory.GrothendieckTopology C) {A : Type u'}
  [inst_1 : CategoryTheory.Category.{v', u'} A] {FA : A → A → Type u_1} {CA : A → Type w'}
  [inst_2 : (X Y : A) → FunLike (FA X Y) (CA X) (CA Y)] [inst_3 : CategoryTheory.ConcreteCategory A FA]
  {F G : CategoryTheory.Functor Cᵒᵖ A} (f : F ⟶ G) [CategoryTheory.Presheaf.IsLocallySurjective J f] {U : Cᵒᵖ}
  (s : CategoryTheory.ToType (G.obj U)), CategoryTheory.Presheaf.imageSieve f s ∈ J (Opposite.unop U)

Defined in

Mathlib.CategoryTheory.Sites.LocallySurjective

Cited by

14 results in Mathlib

Foundations

Depth 33 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryFunLikeCategoryTheory.ConcreteCategoryCategoryTheory.Presheaf.IsLocallySurjective