(motive : Option (Option Lean.Meta.Sym.ProofInstInfo) → Sort u_1) →
  (x : Option (Option Lean.Meta.Sym.ProofInstInfo)) →
    ((r : Option Lean.Meta.Sym.ProofInstInfo) → motive (some r)) →
      ((x : Option (Option Lean.Meta.Sym.ProofInstInfo)) → motive x) → motive x