∀ {ι : Type u} {E : Type v} [inst : Fintype ι] [inst_1 : NormedAddCommGroup E] [inst_2 : NormedSpace ℝ E]
  (f : MeasureTheory.SimpleFunc (ι → ℝ) E) (μ : MeasureTheory.Measure (ι → ℝ))
  [inst_3 : MeasureTheory.IsLocallyFiniteMeasure μ] (I : BoxIntegral.Box ι) (l : BoxIntegral.IntegrationParams),
  l.bRiemann = false →
    BoxIntegral.integral I l (⇑f) μ.toBoxAdditive.toSMul = MeasureTheory.SimpleFunc.integral (μ.restrict ↑I) f