Theorems · Theorem · category theory
PresheafOfModules.hom_ext
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {R : CategoryTheory.Functor Cᵒᵖ RingCat}
{M₁ M₂ : PresheafOfModules R} {f g : M₁ ⟶ M₂}, (∀ (X : Cᵒᵖ), f.app X = g.app X) → f = g- Cited by
- 14 results in Mathlib
- Foundations
- Depth 39 from the axioms · uses propext, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites12
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
- Oppositestatement and proof · cited by 8,081
- ModuleCatstatement · cited by 1,429
- RingCatstatement and proof · cited by 473
- RingCat.carrierstatement · cited by 279
- PresheafOfModulesstatement and proof · cited by 247
- PresheafOfModules.objstatement · cited by 186
- PresheafOfModules.Hom.appstatement and proof · cited by 88
- PresheafOfModules.Hom.extproof · cited by 2
Cited by14
Results whose statement or proof uses this declaration.
- AlgebraicGeometry.Scheme.Modules.hom_extproof · cited by 3
- PresheafOfModules.epi_of_surjectiveproof · cited by 1
- PresheafOfModules.ModuleColimit.homEquiv_naturality_leftproof · cited by 1
- PresheafOfModules.pushforward_assocproof · cited by 1
- PresheafOfModules.pushforward_comp_idproof · cited by 1
- PresheafOfModules.mono_of_injectiveproof · cited by 1
- PresheafOfModules.pushforward_id_compproof · cited by 1
- PresheafOfModules.freeYoneda.isSeparatingproof · cited by 1
- SheafOfModules.pushforward_assocproof · cited by 1
- SheafOfModules.pushforward_comp_idproof · cited by 1
- SheafOfModules.pushforward_id_compproof · cited by 1
- SheafOfModules.pushforwardNatTrans_compproof · cited by 0