{motive_7 : Lean.Meta.Grind.Arith.Cutsat.DvdCnstrProof → Sort u} →
  (t : Lean.Meta.Grind.Arith.Cutsat.DvdCnstrProof) →
    t.ctorIdx = 10 →
      ((c : Lean.Meta.Grind.Arith.Cutsat.CooperSplit) →
          motive_7 (Lean.Meta.Grind.Arith.Cutsat.DvdCnstrProof.cooper₂ c)) →
        motive_7 t