code: @Override
      public boolean checkCondition(IValue test) throws FilterException {
          Iterator iter = values.iterator();
          while (iter.hasNext()) {
              IValue value = (IValue) iter.next();
              if (value.containedBy(test)) {
                  return true;
              }
          }
          return false;
      }
docs: Loop through all of the values and see if any of them pass the equality test