@Override
 public BooleanFormula translate(FormulaManagerView fmgr) {
   BooleanFormula form = null;
   Formula lhs = LHS.translate(fmgr);
   Formula rhs = RHS.translate(fmgr);
   switch (reln) {
     case EQUAL:
       form = fmgr.makeEqual(lhs, rhs);
       break;
     case LEQ:
       form = fmgr.makeLessOrEqual(lhs, rhs, true);
       break;
     case LT:
       form = fmgr.makeLessThan(lhs, rhs, true);
       break;
   }
   return form;
 }