∀ {G : Type u_1} [inst : MeasurableSpace G] [inst_1 : Group G] [MeasurableMul₂ G] (μ : MeasureTheory.Measure G)
  [MeasureTheory.SFinite μ] [MeasurableInv G] [μ.IsMulLeftInvariant],
  MeasureTheory.Measure.QuasiMeasurePreserving Inv.inv μ μ