The Lean 4 theorem `qgFiberV_nonneg` in the `ChapterBddBelowFiberSumEsa` chapter of the timepiece formalization

-- Generated from ChapterBddBelowFiberSumEsa.lean — theorem BookProof.BddBelowFiberSumEsa.qgFiberV_nonneg
import Mathlib
import Definitions.Def_ChapterBddBelowFiberSumEsa
open BookProof.BddBelowFiberSumEsa











open MeasureTheory
open BookProof.FarisLavine BookProof.ScalaronEsa BookProof.ScalaronWallEsa

noncomputable section

variable {ι : Type*}

theorem BookProof.BddBelowFiberSumEsa.qgFiberV_nonneg {M alpha : ℝ} (halpha : 0 < alpha) {d : ℕ} (omega : Fin d → ℝ)
    (i : Option (Fin d)) (x : ℝ) : 0 ≤ qgFiberV M alpha omega i x := by sorry