∀ {E : Type u_1} [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] [inst_2 : MeasurableSpace E]
  (μ : MeasureTheory.Measure E) (s : Set ↑(Metric.sphere 0 1)) (r : ↑(Set.Ioi 0)),
  μ (Subtype.val '' (⇑(homeomorphUnitSphereProd E) ⁻¹' s ×ˢ Set.Iio r)) = μ (Set.Ioo 0 ↑r • Subtype.val '' s)