Sometimes I think that a short course in Boolean Logic might be applicable BEFORE one engages in the task of writing a rulebased routine. Remember, "Boole was no foole." :-) -- ttfn IHN Jim --------------------------------- James C. Owen Knowledge-Based Systems Corporation 4817 Buckskin Drive Fort Worth, Texas 76137 817.314.0584 Office 817.314.0585 FAX 817.247.8976 Cellular mailto:[EMAIL PROTECTED] http://www.kbsc.com "I Love You ... I Love You ... I Love You. -God" (Seen on a billboard in DFW MetroPlex.) --------------------------------------------------------------------- To unsubscribe, send the words 'unsubscribe jess-users [EMAIL PROTECTED]' in the BODY of a message to [EMAIL PROTECTED], NOT to the list (use your own address!) List problems? Notify [EMAIL PROTECTED] ---------------------------------------------------------------------