∀ {α : Type u_1} {m0 : MeasurableSpace α} {μ : MeasureTheory.Measure α} {ε'' : Type u_8} [inst : TopologicalSpace ε'']
  [inst_1 : ESeminormedAddMonoid ε''] {p : ENNReal} {c : ε''},
  ‖c‖ₑ ≠ ⊤ → p ≠ 0 → p ≠ ⊤ → (MeasureTheory.MemLp (fun x => c) p μ ↔ ‖c‖ₑ = 0 ∨ μ Set.univ < ⊤)