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Structures · Algebra

IsInertiaField

Let L/K be a Galois extension of fields and let P be a prime ideal of B. The predicate that says that E is the inertia field of P in L/K, that is the subfield fixed by the inertia subgroup of P in Gal(L/K).

Defined in
Mathlib.NumberTheory.RamificationInertia.HilbertTheory
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4 explicit arguments

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