rfl
case zero
E : Type u_1
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedSpace ℝ E
n : ℕ
f g : ℝ → E
hf : ContDiff ℝ (↑0) f
hg : ContDiff ℝ (↑0) g
⊢ iteratedDeriv 0 (f - g) = iteratedDeriv 0 f - iteratedDeriv 0 g
no goals