{motive : Std.Tactic.BVDecide.LRAT.Internal.Assignment → Sort u} →
  motive Std.Tactic.BVDecide.LRAT.Internal.Assignment.pos →
    motive Std.Tactic.BVDecide.LRAT.Internal.Assignment.neg →
      motive Std.Tactic.BVDecide.LRAT.Internal.Assignment.both →
        motive Std.Tactic.BVDecide.LRAT.Internal.Assignment.unassigned →
          (t : Std.Tactic.BVDecide.LRAT.Internal.Assignment) → motive t