Theorems · Theorem · ring theory

MonoidAlgebra.coeff_toAdditiveAlgEquiv_symm_apply

∀ (R : Type u_1) (A : Type u_4) (M : Type u_7) [inst : CommSemiring R] [inst_1 : Semiring A] [inst_2 : Algebra R A]
  [inst_3 : Monoid M] (x : AddMonoidAlgebra A (Additive M)),
  ((MonoidAlgebra.toAdditiveAlgEquiv R A M).symm x).coeff = Finsupp.mapDomain (⇑Additive.toMul) x.coeff

Defined in

Mathlib.Algebra.MonoidAlgebra.Basic

Cited by

0 results in Mathlib

Foundations

Depth 86 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommSemiringSemiringAlgebraMonoid