Theorems · Theorem · category theory
CategoryTheory.Sieve.functorPushforward_le_iff_le_functorPullback
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
(F : CategoryTheory.Functor C D) {X : C} (S : CategoryTheory.Sieve X) (R : CategoryTheory.Sieve (F.obj X)),
CategoryTheory.Sieve.functorPushforward F S ≤ R ↔ S ≤ CategoryTheory.Sieve.functorPullback F R- Defined in
- Mathlib.CategoryTheory.Sites.Sieves
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 28 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
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
- CategoryTheory.Functor.objstatement and proof · cited by 19,642
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Sievestatement and proof · cited by 552
- CategoryTheory.Sieve.functorPushforwardstatement · cited by 73
- CategoryTheory.Sieve.functorPullbackstatement · cited by 49
- GaloisConnection.le_iff_leproof · cited by 17
- CategoryTheory.Sieve.functor_galoisConnectionproof · cited by 7
Cited by3
Results whose statement or proof uses this declaration.
- CategoryTheory.PreOneHypercover.functorPushforward_sieve₁_map_leproof · cited by 2
- CategoryTheory.Sieve.functorPushforward_pullback_leproof · cited by 0
- CategoryTheory.Sieve.overEquiv_functorPullback_postproof · cited by 0