∀ {R : Type u_1} [inst : CommSemiring R] {M : Submonoid R} {S : Type u_2} [inst_1 : CommSemiring S]
  [inst_2 : Algebra R S] [inst_3 : IsLocalization M S] (x y : R) (m : ↥M),
  x • IsLocalization.mk' S y m = IsLocalization.mk' S (x * y) m