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 = kSee 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
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.
- Semiringstatement and proof · cited by 13,802
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- RingHomstatement and proof · cited by 10,189
- Algebra.algebraMapstatement and proof · cited by 4,706
- Submonoidstatement and proof · cited by 3,086
- RingHom.compstatement and proof · cited by 899
- IsLocalizationstatement and proof · cited by 636
- MonoidHom.extproof · cited by 109
- RingHom.congr_funproof · cited by 29
- RingHom.coe_monoidHom_injectiveproof · cited by 3
- IsLocalization.monoidHom_extproof · cited by 2
Cited by32
Results whose statement or proof uses this declaration.
- Module.Finite.of_isLocalizationproof · cited by 10
- Algebra.FormallySmooth.of_isLocalizationproof · cited by 6
- Algebra.FormallyUnramified.of_isLocalizationproof · cited by 5
- Ideal.spanIntNorm_localizationproof · cited by 3
- Ideal.ResidueField.ringHom_extproof · cited by 3
- IsLocalization.algHom_extproof · cited by 2
- Algebra.EssFiniteType.algHom_extproof · cited by 2
- Algebra.FormallySmooth.localization_baseproof · cited by 2
- RingHom.RespectsIso.isLocalization_away_iffproof · cited by 2
- AlgebraicGeometry.IsAffineOpen.appLE_eq_away_mapproof · cited by 2
- Algebra.intNorm_eq_of_isLocalizationproof · cited by 1
- IsLocalization.algEquiv_comp_algebraMapproof · cited by 1