∀ {R : Type u_1} [inst : CommSemiring R] {S : Type u_2} [inst_1 : CommSemiring S] [inst_2 : Algebra R S] (x : R)
  [inst_3 : IsLocalization.Away x S], IsLocalization.Away.invSelf x = IsLocalization.mk' S 1 ⟨x, ⋯⟩