simp
x✝ σ σ'✝ σ''✝ T x : ℝ
xpos : 0 < x
σ' σ'' : ℝ
l : Filter (ℝ × ℝ) := 𝓟 [[σ', σ'']] ×ˢ (atBot ⊔ atTop)
hl : l = 𝓟 [[σ', σ'']] ×ˢ (atBot ⊔ atTop)
h_c : ∀ {c : ℂ}, (fun x => c) =o[l] Prod.snd
⊢ (fun x =>
      ‖match x with
        | (_σ, y) => ↑y * I‖) =ᶠ[l]
    fun x => ‖x.2‖
no goals