have l1 x (hx : x ∈ interior (Ioi 0)) : HasDerivWithinAt (hh a) (hh' a x) (interior (Ioi 0)) x := by
  have : x ≠ 0 := by contrapose! hx ; simp [hx]
  exact (hh_deriv a this).hasDerivWithinAt
n : ℕ
A a✝ b c d u x y t σ' : ℝ
ψ Ψ : ℝ → ℂ
F G : ℂ → ℂ
f : ℕ → ℂ
𝕜 : Type
inst✝ : _root_.RCLike 𝕜
a : ℝ
ha : a ∈ Ioo (-1) 1
⊢ AntitoneOn (hh a) (Ioi 0)
n : ℕ
A a✝ b c d u x y t σ' : ℝ
ψ Ψ : ℝ → ℂ
F G : ℂ → ℂ
f : ℕ → ℂ
𝕜 : Type
inst✝ : _root_.RCLike 𝕜
a : ℝ
ha : a ∈ Ioo (-1) 1
l1 : ∀ x ∈ interior (Ioi 0), HasDerivWithinAt (hh a) (hh' a x) (interior (Ioi 0)) x
⊢ AntitoneOn (hh a) (Ioi 0)