{M : Type u_1} →
  {α : Type u_2} →
    [inst : SMul M α] →
      {x : MeasurableSpace α} →
        {μ : MeasureTheory.Measure α} →
          {motive : MeasureTheory.SMulInvariantMeasure M α μ → Sort u} →
            ((measure_preimage_smul : ∀ (c : M) ⦃s : Set α⦄, MeasurableSet s → μ ((fun x => c • x) ⁻¹' s) = μ s) →
                motive ⋯) →
              (t : MeasureTheory.SMulInvariantMeasure M α μ) → motive t