∀ {α : Type u_1} {F : Type u_3} {m : MeasurableSpace α} {p : ENNReal} {μ : MeasureTheory.Measure α}
  [inst : NormedAddCommGroup F],
  p ≠ 0 →
    p ≠ ⊤ →
      ∀ {f : α → F} (C : NNReal) {s : Set α},
        MeasurableSet s → (∀ᵐ (x : α) ∂μ, x ∈ s → C ≤ ‖f x‖₊) → C • μ s ^ (1 / p.toReal) ≤ MeasureTheory.eLpNorm f p μ