∀ {α : Type u_1} {E : Type u_2} {m : MeasurableSpace α} [inst : NormedAddCommGroup E] {μ : MeasureTheory.Measure α}
  {f g : α → E},
  MeasureTheory.AEStronglyMeasurable f μ →
    MeasureTheory.AEStronglyMeasurable g μ →
      ∀ (p : ENNReal),
        MeasureTheory.eLpNorm (f - g) p μ ≤
          MeasureTheory.LpAddConst p * (MeasureTheory.eLpNorm f p μ + MeasureTheory.eLpNorm g p μ)