Theorems · Theorem · category theory
CategoryTheory.GrothendieckTopology.W_iff
∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] (J : CategoryTheory.GrothendieckTopology C)
{A : Type u_2} [inst_1 : CategoryTheory.Category.{v_2, u_2} A] [inst_2 : CategoryTheory.HasWeakSheafify J A]
{P₁ P₂ : CategoryTheory.Functor Cᵒᵖ A} (f : P₁ ⟶ P₂),
J.W f ↔ CategoryTheory.IsIso ((CategoryTheory.presheafToSheaf J A).map f)- Cited by
- 3 results in Mathlib
- Foundations
- Depth 39 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
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
- Quiver.Homstatement and proof · cited by 32,603
- CategoryTheory.Functor.objstatement · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapstatement · cited by 8,698
- Oppositestatement and proof · cited by 8,081
- CategoryTheory.GrothendieckTopologystatement and proof · cited by 1,415
- CategoryTheory.IsIsostatement · cited by 1,156
- CategoryTheory.Presheaf.IsSheafstatement · cited by 991
- CategoryTheory.Sheafstatement · cited by 763
- CategoryTheory.HasWeakSheafifystatement and proof · cited by 221
- CategoryTheory.presheafToSheafstatement · cited by 57
Cited by3
Results whose statement or proof uses this declaration.
- CategoryTheory.ObjectProperty.IsConservativeFamilyOfPoints.W_iffproof · cited by 1
- CategoryTheory.GrothendieckTopology.WEqualsLocallyBijective.mk'proof · cited by 0