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Theorems · Definition · field theory

galGroupBasis

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

For a field extension L/K, galGroupBasis K L is the group filter basis on Gal(L/K) whose sets are Gal(L/E) for finite subextensions E/K.

Defined in
Mathlib.FieldTheory.KrullTopology
Cited by
6 results in Mathlib
Foundations
Depth 147 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FieldFieldAlgebra

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