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Theorems · Theorem · category theory

CategoryTheory.Precoverage.isSheaf_toGrothendieck_iff_of_isStableUnderBaseChange_of_small

∀ {C : Type u_2} [inst : CategoryTheory.Category.{v_1, u_2} C] {J : CategoryTheory.Precoverage C}
  [J.IsStableUnderBaseChange] [J.HasPullbacks] [J.Small] (P : CategoryTheory.Functor Cᵒᵖ (Type u_1)),
  CategoryTheory.Presieve.IsSheaf J.toGrothendieck P ↔
    ∀ ⦃X : C⦄ (E : J.ZeroHypercover X), CategoryTheory.Presieve.IsSheafFor P E.presieve₀
Defined in
Mathlib.CategoryTheory.Sites.Coverage
Cited by
1 results in Mathlib
Foundations
Depth 40 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Precoverage.IsStableUnderBaseChangeCategoryTheory.Precoverage.HasPullbacksCategoryTheory.Precoverage.Small

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