∀ {A : Type u_8} {K : Type u_9} {B : Type u_10} {L : Type u_11} [inst : CommRing A] [inst_1 : CommRing B]
  [inst_2 : CommRing K] [inst_3 : CommRing L] [inst_4 : Algebra A K] [inst_5 : IsFractionRing A K]
  [inst_6 : Algebra B L] [inst_7 : IsFractionRing B L] (h : A ≃+* B) (a : A),
  (IsFractionRing.ringEquivOfRingEquiv h) ((algebraMap A K) a) = (algebraMap B L) (h a)