∀ {p : ℕ} {R : Type u_1} [inst : CommRing R] [inst_1 : Fact (Nat.Prime p)] {n₁ n₂ n₃ : ℕ} (h1 : n₁ ≤ n₂) (h2 : n₂ ≤ n₃),
  (TruncatedWittVector.truncate h1).comp (TruncatedWittVector.truncate h2) = TruncatedWittVector.truncate ⋯