code: private boolean checkEquality(HashMap<String, Double> a,
  			HashMap<String, Double> b) {
  		for(String s: a.keySet()){
  			if(Double.compare(a.get(s), b.get(s)) != 0)
  				return false;
  		}
  		return true;
  	}
docs: /*
  public LinkedHashMap<FuzzySymbolicDomain[], Double> getLabelings() {
  return this.sdTuples;
  }