Let S be a set of routine-uses of a System of Record Notice(SORN), for each S's element E, its purpose set is referred as X(E). This function return the union of the purpose sets of all elements of S. (big-union E S X) union of sets X(E) where E is element of S result depends on S and X union of the purpose sets X(E) of a set of X(E) = ..... X is called on each element of S TAMI TMS big-union 2007-02-14T11:45:52-08:00 2007-02-14T11:35:51-08:00