(motive : Option Lean.ConstantInfo → Option Lean.ConstantInfo → Sort u_1) →
  (tInfo? sInfo? : Option Lean.ConstantInfo) →
    (Unit → motive none none) →
      ((tInfo : Lean.ConstantInfo) → motive (some tInfo) none) →
        ((sInfo : Lean.ConstantInfo) → motive none (some sInfo)) →
          ((tInfo sInfo : Lean.ConstantInfo) → motive (some tInfo) (some sInfo)) → motive tInfo? sInfo?