Theorems · Inductive type · category theory
CategoryTheory.CoverPreserving
{C : Type u₁} →
[inst : CategoryTheory.Category.{v₁, u₁} C] →
{D : Type u₂} →
[inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
CategoryTheory.GrothendieckTopology C →
CategoryTheory.GrothendieckTopology D → CategoryTheory.Functor C D → PropA functor G : (C, J) ⥤ (D, K) between sites is cover-preserving
if for all covering sieves R in C, R.functorPushforward G is a covering sieve in D.
- Cited by
- 32 results in Mathlib
- Foundations
- Depth 2 from the axioms · uses no axioms
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 · cited by 32,673
- CategoryTheory.Functorstatement · cited by 16,252
- CategoryTheory.GrothendieckTopologystatement · cited by 1,415
Cited by37
Results whose statement or proof uses this declaration.
- CategoryTheory.CoverPreserving.cover_preservestatement and proof · cited by 10
- CategoryTheory.Functor.isContinuous_of_coverPreservingstatement and proof · cited by 4
- CategoryTheory.Functor.coverPreserving_restrictedTopologystatement · cited by 3
- CategoryTheory.Functor.IsDenseSubsite.coverPreservingstatement · cited by 3
- CategoryTheory.GrothendieckTopology.Point.comapstatement and proof · cited by 3
- CategoryTheory.Adjunction.isCocontinuous_iff_coverPreservingstatement and proof · cited by 2
- CategoryTheory.GrothendieckTopology.Point.sheafFiberComapIsostatement and proof · cited by 2
- CategoryTheory.CoverPreserving.of_isContinuousstatement · cited by 2
- IsOpenMap.coverPreservingstatement · cited by 2
- CategoryTheory.GrothendieckTopology.Point.skyscraperSheafFunctorCompSheafPushforwardContinuousstatement and proof · cited by 2
- CategoryTheory.GrothendieckTopology.WEqualsLocallyBijective.transportstatement and proof · cited by 1
- CategoryTheory.Presheaf.isLocallyInjective_of_whiskerstatement and proof · cited by 1