{α : Type u_1} →
  {β : Type u_2} →
    [inst : MeasurableSpace α] →
      [inst_1 : MeasurableSpace β] →
        {motive : ProbabilityTheory.Kernel α β → Sort u} →
          ((toFun : α → MeasureTheory.Measure β) →
              (measurable' : Measurable toFun) → motive { toFun := toFun, measurable' := measurable' }) →
            (t : ProbabilityTheory.Kernel α β) → motive t