∀ {R : Type u_1} [inst : CommRing R] {A : Type u_2} {B : Type u_3} [inst_1 : CommRing A] [inst_2 : Algebra R A]
  [inst_3 : CommRing B] [inst_4 : Algebra R B] [Algebra.FormallyUnramified R A] (e : A ≃ₐ[R] B),
  Algebra.FormallyUnramified R B