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Theorems · Theorem · commutative algebra

Ideal.natAbs_pow_inertiaDeg

∀ {R : Type u_1} [inst : CommRing R] [inst_1 : IsDedekindDomain R] [inst_2 : Module.Free ℤ R] [Module.Finite ℤ R]
  (p : ℤ) (P : Ideal R) [P.IsPrime] [P.LiesOver (Ideal.span {p})], p.natAbs ^ P.inertiaDeg ℤ = Ideal.absNorm P
Defined in
Mathlib.RingTheory.RamificationInertia.Inertia
Cited by
4 results in Mathlib
Foundations
Depth 156 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingIsDedekindDomainModule.FreeModule.FiniteIdeal.IsPrimeIdeal.LiesOver

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