∀ (R : Type u_1) (S : Type u_2) {A : Type u_3} [inst : CommRing R] [inst_1 : CommRing S] [inst_2 : Ring A]
  [inst_3 : Algebra R S] [inst_4 : Algebra R A] [inst_5 : Algebra S A] [IsScalarTower R S A] [NoZeroDivisors S]
  [Algebra.IsAlgebraic R S] [FaithfulSMul R S], Algebra.IsAlgebraic R A ↔ Algebra.IsAlgebraic S A