∀ {𝕜 : Type u_1} [inst : NontriviallyNormedField 𝕜] {F : Type u_2} [inst_1 : NormedAddCommGroup F]
  [inst_2 : NormedSpace 𝕜 F] {f : 𝕜 → F} (m : ℕ), ContDiff 𝕜 (↑m + 1) f → Differentiable 𝕜 (iteratedDeriv m f)