LOCAL
      x : SET OF versioned_action_request_relationship;
    END_LOCAL;

    IF  relation.relating_versioned_action_request IN  relatives THEN
      RETURN  (FALSE);
    END_IF;
    x := QUERY(varr <* bag_to_set(USEDIN(relation.relating_versioned_action_request, 'ACTION_SCHEMA.' + 'VERSIONED_ACTION_REQUEST_RELATIONSHIP.' + 'RELATED_VERSIONED_ACTION_REQUEST')) | specific_relation IN TYPEOF(varr));
    REPEAT i := 1 TO HIINDEX(x);
      IF NOT acyclic_versioned_action_request_relationship(x[i], relatives + relation.relating_versioned_action_request, specific_relation) THEN
        RETURN  (FALSE);
      END_IF;
    END_REPEAT;
    RETURN (TRUE);