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Theorems · Theorem · number theory

IsCyclotomicExtension.Rat.inertiaDegIn_eq_of_prime_pow

∀ (p k : ℕ) [hp : Fact (Nat.Prime p)] (K : Type u_1) [inst : Field K] [inst_1 : NumberField K]
  [hK : IsCyclotomicExtension {p ^ (k + 1)} ℚ K], (Ideal.span {↑p}).inertiaDegIn (NumberField.RingOfIntegers K) = 1
Defined in
Mathlib.NumberTheory.NumberField.Cyclotomic.Ideal
Cited by
1 results in Mathlib
Foundations
Depth 225 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FactFieldNumberFieldIsCyclotomicExtension

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