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Theorems · Theorem · category theory

ModuleCat.mono_iff_injective

∀ {R : Type u} [inst : Ring R] {X Y : ModuleCat R} (f : X ⟶ Y),
  CategoryTheory.Mono f ↔ Function.Injective ⇑(CategoryTheory.ConcreteCategory.hom f)
Defined in
Mathlib.Algebra.Category.ModuleCat.EpiMono
Cited by
21 results in Mathlib
Foundations
Depth 70 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Ring

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Rep.mono_iff_injective · cited by 6Rep.mono_iff_injectivegroupHomology.H1π_eq_zero_iff · cited by 4groupHomology.H1π_eq_zero…CategoryTheory.ShortComplex.moduleCat_pOpcycles_eq_iff · cited by 3ShortComplex.moduleCat_pO…Rep.FiniteCyclicGroup.groupCohomologyπOdd_eq_zero_iff · cited by 2FiniteCyclicGroup.groupCo…groupHomology.cyclesMk₁_eq · cited by 2groupHomology.cyclesMk₁_eqCategoryTheory.IsGrothendieckAbelian.GabrielPopescuAux.kernel_ι_d_comp_d · cited by 2GabrielPopescuAux.kernel_…groupCohomology.H1π_eq_zero_iff · cited by 2groupCohomology.H1π_eq_ze…Module.injective_module_of_injective_object · cited by 2Module.injective_module_o…ModuleCat.linearIndependent_leftExact · cited by 2ModuleCat.linearIndepende…groupHomology.cyclesMk₀_eq · cited by 1groupHomology.cyclesMk₀_eqgroupHomology.cyclesMk₂_eq · cited by 1groupHomology.cyclesMk₂_eqRep.FiniteCyclicGroup.groupHomologyπEven_eq_zero_iff · cited by 1FiniteCyclicGroup.groupHo…Rep.FiniteCyclicGroup.groupHomologyπOdd_eq_zero_iff · cited by 1FiniteCyclicGroup.groupHo…CategoryTheory.IsGrothendieckAbelian.GabrielPopescu.preservesInjectiveObjects · cited by 1GabrielPopescu.preservesI…groupCohomology.H2π_eq_zero_iff · cited by 1groupCohomology.H2π_eq_ze…DFunLike.coe · cited by 62936DFunLike.coeQuiver.Hom · cited by 32603Quiver.HomRingHom.id · cited by 18349RingHom.idLinearMap · cited by 10215LinearMapRing · cited by 7463RingCategoryTheory.ConcreteCategory.hom · cited by 4022ConcreteCategory.homModuleCat · cited by 1429ModuleCatModuleCat.carrier · cited by 997ModuleCat.carrierCategoryTheory.Mono · cited by 893CategoryTheory.MonoLinearMap.ker_eq_bot · cited by 92LinearMap.ker_eq_botModuleCat.mono_iff_ker_eq_bot · cited by 1ModuleCat.mono_iff_ker_eq…ModuleCat.mono_iff_injectiveCITED BYCITES

Cites11

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Cited by21

Results whose statement or proof uses this declaration.