∀ {α : Type u_1} {ε : Type u_5} {m : MeasurableSpace α} {μ ν : MeasureTheory.Measure α} [inst : TopologicalSpace ε]
  [inst_1 : ContinuousENorm ε] [TopologicalSpace.PseudoMetrizableSpace ε] {f : α → ε},
  MeasureTheory.Integrable f (μ + ν) ↔ MeasureTheory.Integrable f μ ∧ MeasureTheory.Integrable f ν