(motive : Option (List Lean.Expr) × Lean.Meta.Grind.NormalizePattern.State → Sort u_1) →
  (__discr : Option (List Lean.Expr) × Lean.Meta.Grind.NormalizePattern.State) →
    ((ps : List Lean.Expr) → (s : Lean.Meta.Grind.NormalizePattern.State) → motive (some ps, s)) →
      ((x : Option (List Lean.Expr) × Lean.Meta.Grind.NormalizePattern.State) → motive x) → motive __discr