∀ {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], ⇑(IsLocalization.toLocalizationMap M S) = ⇑(algebraMap R S)