code: private static boolean isParameter(Instance extendedParameter,
              ConnectionManager cm) throws KnowledgeSourceReadException {
          Instance proposition = (Instance) cm.getOwnSlotValue(extendedParameter,
                  cm.getSlot("proposition"));
          if (proposition.hasType(cm.getCls("Parameter"))) {
              return true;
          } else {
              return false;
          }
      }
docs: Returns whether a Protege instance is a Parameter.
  
  @param extendedParameter a Protege instance that is assumed to be a
  Proposition.
  @return <code>true</code> if the provided Protege instance is a
  Parameter, <code>false</code> otherwise.