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Theorems · Theorem · commutative algebra

IsLocalization.AtPrime.isDiscreteValuationRing_of_dedekind_domain

∀ (A : Type u_1) [inst : CommRing A] [IsDomain A] [IsDedekindDomain A] {P : Ideal A},
  P ≠ ⊥ →
    ∀ [pP : P.IsPrime] (Aₘ : Type u_2) [inst_3 : CommRing Aₘ] [inst_4 : IsDomain Aₘ] [inst_5 : Algebra A Aₘ]
      [IsLocalization.AtPrime Aₘ P], IsDiscreteValuationRing Aₘ

In a Dedekind domain, the localization at every nonzero prime ideal is a DVR.

Defined in
Mathlib.RingTheory.DedekindDomain.Dvr
Cited by
2 results in Mathlib
Foundations
Depth 134 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingIsDomainIsDedekindDomainIdeal.IsPrimeCommRingIsDomainAlgebraIsLocalization.AtPrime

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