(motive : Option (List Lean.FVarId × Lean.Expr × Lean.Level) → Sort u_1) →
  (__discr : Option (List Lean.FVarId × Lean.Expr × Lean.Level)) →
    ((list : List Lean.FVarId) → (typ : Lean.Expr) → (level : Lean.Level) → motive (some (list, typ, level))) →
      ((x : Option (List Lean.FVarId × Lean.Expr × Lean.Level)) → motive x) → motive __discr