∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} {m : MeasurableSpace α} {μ : MeasureTheory.Measure α}
  [inst : NormedAddCommGroup β] [inst_1 : NormedAddCommGroup γ] {f : α → β} {g : α → γ},
  MeasureTheory.Integrable f μ →
    MeasureTheory.AEStronglyMeasurable g μ → (∀ᵐ (a : α) ∂μ, ‖f a‖ = ‖g a‖) → MeasureTheory.Integrable g μ