∀ (R : Type u_1) (A : Type u_2) [inst : Semiring R] [inst_1 : Semiring A] [inst_2 : Module R A]
  [inst_3 : IsScalarTower R A A] (a : A) (n : ℕ), LinearMap.mulRight R a ^ n = LinearMap.mulRight R (a ^ n)