private  REXObjectAllValuesFromImpl getREXObjectAllValuesFrom(
			REXObjectPropertyExpressionImpl role, REXClassExpressionImpl filler) {
		// TODO Auto-generated method stub
		REXObjectAllValuesFromImpl newAll = role.alls.get(filler);
		if(newAll == null)
		{
			newAll = new REXObjectAllValuesFromImpl(role, filler);
			role.alls.put(filler,newAll);
			//			classExpressions.add(newAll);
		}
		return newAll;
	}