∀ (p : ℕ) [inst : Fact (Nat.Prime p)] (k : Type u_1) [inst_1 : CommRing k] [inst_2 : CharP k p]
  [inst_3 : PerfectRing k p],
  RingHomCompTriple (↑(WittVector.FractionRing.frobenius p k)) (RingHom.id (FractionRing (WittVector p k)))
    ↑(WittVector.FractionRing.frobenius p k)