Module

FinitelyGeneratedCharZero.lean

Nyll.Yamaguchi26AbfaithfulGalois.FieldExamples.FinitelyGeneratedCharZero
1 declaration indexed from sourceView source ↗

The characteristic-zero case of the earlier finitely generated field example

The mixed-characteristic valuation is constructed from finite generation.

Declarations

Yamaguchi26AbfaithfulGalois.finitelyGenerated_charZero_isAbFaithful

Finitely generated characteristic-zero fields are ab-faithful, by applying Theorem 3.6 to a discrete valuation constructed from an affine integer model.

Source context 3 commands

Surrounding namespaces, section variables, and local commands at this declaration.

namespace Yamaguchi26AbfaithfulGalois
open ProCGroups.FiniteStepSolvableQuotients
universe u
theorem finitelyGenerated_charZero_isAbFaithful
    (K : Type u) [Field K] [CharZero K] (hfg : Field.FG K) :
    IsAbFaithful Gal(AlgebraicClosure K/K)