no goals
α : Type u_1
β : Type u_2
l : Filter α
k f g g' : α → β
inst✝ : NormedLinearOrderedField β
⊢ (∀ (n : ℕ), Tendsto (fun a => ‖k a ^ n * f a‖) l (𝓝 0)) ↔ SuperpolynomialDecay l (fun a => ‖k a‖) fun a => ‖f a‖
simp [SuperpolynomialDecay]