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Theorems · Definition · commutative algebra

FractionRing.liftAlgebra

(R : Type u_1) →
  [inst : CommRing R] →
    (K : Type u_5) → [inst_1 : Field K] → [inst_2 : Algebra R K] → [FaithfulSMul R K] → Algebra (FractionRing R) K

This is not an instance because it creates a diamond when K = FractionRing R. Should usually be introduced locally along with isScalarTower_liftAlgebra See note [reducible non-instances].

Defined in
Mathlib.RingTheory.Localization.FractionRing
Cited by
43 results in Mathlib
Foundations
Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingFieldAlgebraFaithfulSMul

Around this declaration

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

minpoly.isIntegrallyClosed_dvd · cited by 9minpoly.isIntegrallyClose…Algebra.algebraMap_intNorm_fractionRing · cited by 6Algebra.algebraMap_intNor…IsDedekindDomain.differentIdeal_eq_map_differentIdeal · cited by 3IsDedekindDomain.differen…Module.Basis.ofIsCoprimeDifferentIdeal · cited by 3Basis.ofIsCoprimeDifferen…differentIdeal_eq_differentIdeal_mul_differentIdeal · cited by 3differentIdeal_eq_differe…differentIdeal_ne_bot · cited by 3differentIdeal_ne_botAlgebra.intNorm_zero · cited by 2Algebra.intNorm_zeronot_dvd_differentIdeal_of_isCoprime_of_isSeparable · cited by 2not_dvd_differentIdeal_of…Algebra.isUnramifiedAt_bot · cited by 2Algebra.isUnramifiedAt_botIsGaloisGroup.card_eq_finrank' · cited by 2IsGaloisGroup.card_eq_fin…pow_sub_one_dvd_differentIdeal · cited by 2pow_sub_one_dvd_different…Algebra.algebraMap_intTrace_fractionRing · cited by 2Algebra.algebraMap_intTra…Algebra.IsAlgebraic.rank_fractionRing · cited by 2IsAlgebraic.rank_fraction…dvd_differentIdeal_of_not_isSeparable · cited by 1dvd_differentIdeal_of_not…Algebra.intNorm_eq_of_isLocalization · cited by 1Algebra.intNorm_eq_of_isL…CommRing · cited by 17173CommRingAlgebra · cited by 11388AlgebraField · cited by 7404FieldIsDomain · cited by 2196IsDomainnonZeroDivisors · cited by 895nonZeroDivisorsFaithfulSMul · cited by 340FaithfulSMulRingHom.toAlgebra · cited by 337RingHom.toAlgebraFractionRing · cited by 200FractionRingIsFractionRing.lift · cited by 12IsFractionRing.liftFractionRing.liftAlgebraCITED BYCITES

Cites9

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by44

Results whose statement or proof uses this declaration.