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Theorems · Theorem · commutative algebra

IsLocalization.ringHom_ext

∀ {R : Type u_1} [inst : CommSemiring R] (M : Submonoid R) {S : Type u_2} [inst_1 : CommSemiring S]
  [inst_2 : Algebra R S] [IsLocalization M S] {P : Type u_4} [inst_4 : Semiring P] ⦃j k : S →+* P⦄,
  j.comp (algebraMap R S) = k.comp (algebraMap R S) → j = k

See note [partially-applied ext lemmas]

Defined in
Mathlib.RingTheory.Localization.Defs
Cited by
32 results in Mathlib
Foundations
Depth 28 from the axioms · uses propext, Quot.sound
Assumes
CommSemiringCommSemiringAlgebraIsLocalizationSemiring

Around this declaration

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

Module.Finite.of_isLocalization · cited by 10Finite.of_isLocalizationAlgebra.FormallySmooth.of_isLocalization · cited by 6FormallySmooth.of_isLocal…Algebra.FormallyUnramified.of_isLocalization · cited by 5FormallyUnramified.of_isL…Ideal.spanIntNorm_localization · cited by 3Ideal.spanIntNorm_localiz…Ideal.ResidueField.ringHom_ext · cited by 3ResidueField.ringHom_extIsLocalization.algHom_ext · cited by 2IsLocalization.algHom_extAlgebra.EssFiniteType.algHom_ext · cited by 2EssFiniteType.algHom_extAlgebra.FormallySmooth.localization_base · cited by 2FormallySmooth.localizati…RingHom.RespectsIso.isLocalization_away_iff · cited by 2RespectsIso.isLocalizatio…AlgebraicGeometry.IsAffineOpen.appLE_eq_away_map · cited by 2IsAffineOpen.appLE_eq_awa…Algebra.intNorm_eq_of_isLocalization · cited by 1Algebra.intNorm_eq_of_isL…IsLocalization.algEquiv_comp_algebraMap · cited by 1IsLocalization.algEquiv_c…Algebra.intTrace_eq_of_isLocalization · cited by 1Algebra.intTrace_eq_of_is…RingHom.OfLocalizationSpan.mk · cited by 1OfLocalizationSpan.mkRingHom.OfLocalizationSpan.ofIsLocalization · cited by 1OfLocalizationSpan.ofIsLo…Semiring · cited by 13802SemiringAlgebra · cited by 11388AlgebraCommSemiring · cited by 10911CommSemiringRingHom · cited by 10189RingHomAlgebra.algebraMap · cited by 4706Algebra.algebraMapSubmonoid · cited by 3086SubmonoidRingHom.comp · cited by 899RingHom.compIsLocalization · cited by 636IsLocalizationMonoidHom.ext · cited by 109MonoidHom.extRingHom.congr_fun · cited by 29RingHom.congr_funRingHom.coe_monoidHom_injective · cited by 3RingHom.coe_monoidHom_inj…IsLocalization.monoidHom_ext · cited by 2IsLocalization.monoidHom_…IsLocalization.ringHom_extCITED BYCITES

Cites12

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Cited by32

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