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Theorems · Theorem · commutative algebra

smul_mem_of_normal

Deprecated since 2026-05-28Use IsGaloisGroup.smul_mem_of_normal instead.

∀ (G : Type u_1) (B : Type u_3) [inst : Group G] [inst_1 : Semiring B] [inst_2 : MulSemiringAction G B] {C : Type u_4}
  [inst_3 : CommSemiring C] [inst_4 : Algebra C B] (N : Subgroup G) [hN : N.Normal] [hC : IsGaloisGroup (↥N) C B]
  (g : G) (x : C), g • (algebraMap C B) x ∈ Set.range ⇑(algebraMap C B)

Alias of IsGaloisGroup.smul_mem_of_normal.

Defined in
Mathlib.RingTheory.IsGaloisGroup.Basic
Cited by
0 results in Mathlib
Foundations
Depth 25 from the axioms · uses propext
Assumes
GroupSemiringMulSemiringActionCommSemiringAlgebraSubgroup.NormalIsGaloisGroup

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