{motive : Lean.Meta.Sym.State✝ → Sort u} →
  (t : Lean.Meta.Sym.State✝¹) →
    ((map : Std.HashMap Lean.Meta.Sym.ExprPtr Lean.Expr) →
        (set : Lean.PHashSet Lean.Meta.Sym.AlphaKey) → motive { map := map, set := set }) →
      motive t