Subject: Re: sets operations From: Erik Naggum <erik@naggum.net> Date: Thu, 06 Sep 2001 17:53:38 GMT Newsgroups: comp.lang.lisp Message-ID: <3208787616926057@naggum.net> * username <username@cisco.com> > Set Union, Set Difference, And Set Intersection. Do union, intersection and set-difference fulflll your needs? These are standard functions in Common Lisp. ///