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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
Defined in
Mathlib.Algebra.Category.ModuleCat.Presheaf
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.

AlgebraicGeometry.Scheme.Modules.hom_ext · cited by 3Modules.hom_extPresheafOfModules.epi_of_surjective · cited by 1PresheafOfModules.epi_of_…PresheafOfModules.ModuleColimit.homEquiv_naturality_left · cited by 1ModuleColimit.homEquiv_na…PresheafOfModules.pushforward_assoc · cited by 1PresheafOfModules.pushfor…PresheafOfModules.pushforward_comp_id · cited by 1PresheafOfModules.pushfor…PresheafOfModules.mono_of_injective · cited by 1PresheafOfModules.mono_of…PresheafOfModules.pushforward_id_comp · cited by 1PresheafOfModules.pushfor…PresheafOfModules.freeYoneda.isSeparating · cited by 1freeYoneda.isSeparatingSheafOfModules.pushforward_assoc · cited by 1SheafOfModules.pushforwar…SheafOfModules.pushforward_comp_id · cited by 1SheafOfModules.pushforwar…SheafOfModules.pushforward_id_comp · cited by 1SheafOfModules.pushforwar…SheafOfModules.pushforwardNatTrans_comp · cited by 0SheafOfModules.pushforwar…SheafOfModules.pushforwardNatTrans_id · cited by 0SheafOfModules.pushforwar…PresheafOfModules.hom_ext_iff · cited by 0PresheafOfModules.hom_ext…CategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor.obj · cited by 19642Functor.objCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorOpposite · cited by 8081OppositeModuleCat · cited by 1429ModuleCatRingCat · cited by 473RingCatRingCat.carrier · cited by 279RingCat.carrierPresheafOfModules · cited by 247PresheafOfModulesPresheafOfModules.obj · cited by 186PresheafOfModules.objPresheafOfModules.Hom.app · cited by 88Hom.appPresheafOfModules.Hom.ext · cited by 2Hom.extPresheafOfModules.hom_extCITED BYCITES

Cites12

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Cited by14

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