∀ {R : Type u} {A : Type v} [inst : CommSemiring R] [inst_1 : NonUnitalNonAssocSemiring A] [inst_2 : Star A]
  [inst_3 : Module R A] {S : Type w''} [inst_4 : SetLike S A] [inst_5 : NonUnitalSubsemiringClass S A]
  [hSR : SMulMemClass S R A] [inst_6 : StarMemClass S A] (s : S),
  Function.Injective ⇑(NonUnitalStarSubalgebraClass.subtype s)