∀ (R : Type u) (A : Type v) [inst : CommSemiring R] [inst_1 : NonUnitalSemiring A] [inst_2 : StarRing A]
  [inst_3 : Module R A] [inst_4 : IsScalarTower R A A] [inst_5 : SMulCommClass R A A],
  (NonUnitalStarSubalgebra.center R A).toNonUnitalSubalgebra = NonUnitalSubalgebra.center R A