∀ (R : Type u_14) {A : Type u_15} [inst : Semiring R] [inst_1 : NonUnitalNonAssocSemiring A] [inst_2 : Module R A]
  [inst_3 : IsScalarTower R A A] (a : A), ↑(LinearMap.mulRight R a) = AddMonoidHom.mulRight a