∀ {α : Type u_1} {E : Type u_3} {m m₀ : MeasurableSpace α} {μ : MeasureTheory.Measure α} {f : α → E}
  [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] [inst_2 : CompleteSpace E] [InnerProductSpace ℝ E],
  MeasureTheory.eLpNorm μ[f | m] 2 μ ≤ MeasureTheory.eLpNorm f 2 μ