∀ {α : Type u_1} {m₀ : MeasurableSpace α} {μ : MeasureTheory.Measure α} {E : Type u_5} [inst : TopologicalSpace E]
  [TopologicalSpace.MetrizableSpace E] [inst_2 : One E] {f : α → E},
  MeasureTheory.AEStronglyMeasurable f μ → MeasureTheory.NullMeasurableSet (Function.mulSupport f) μ