∀ {R : Type u_1} [inst : CommSemiring R] (M : Submonoid R) {S : Type u_2} [inst_1 : CommSemiring S]
  [inst_2 : Algebra R S] (N : Submonoid S) (T : Type u_3) [inst_3 : CommSemiring T] [inst_4 : Algebra R T]
  [inst_5 : Algebra S T] [IsScalarTower R S T] [IsLocalization M S] [IsLocalization N T]
  (y : ↥(IsLocalization.localizationLocalizationSubmodule M N)), IsUnit ((algebraMap R T) ↑y)