(motive : Option Lean.Meta.Grind.Arith.Cutsat.DvdCnstr → Sort u_1) →
  (c? : Option Lean.Meta.Grind.Arith.Cutsat.DvdCnstr) →
    ((c : Lean.Meta.Grind.Arith.Cutsat.DvdCnstr) → motive (some c)) →
      ((x : Option Lean.Meta.Grind.Arith.Cutsat.DvdCnstr) → motive x) → motive c?