fixedByFinite

(K : Type u_1) →
  (L : Type u_2) → [inst : Field K] → [inst_1 : Field L] → [inst_2 : Algebra K L] → Set (Subgroup Gal(L/K))

Given a field extension L/K, fixedByFinite K L is the set of subsets Gal(L/E) of Gal(L/K), where E/K is finite.

Defined in: Mathlib.FieldTheory.KrullTopology
Cited by: 5 results in Mathlib
Foundations: Depth 61 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Field Field Algebra

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