Thanks for the response. It does seem a bit odd to automatically and silently modify code. Why not throw an exception? Is this done elsewhere in Jess? What is the rationale? Did I stumble onto a "reserved" rule name?
Thanks again, Hector On 1/18/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > I think Hector Urroz wrote: > > > > Jess> (ppdefrule MAIN::clear-need-answer) > > "(defrule MAIN::clear-need-answer > > \"Clear need-answer if question has been answered\" > > ?r <- (MAIN::need-answer (ident ?id)) > > (not (MAIN::answer (ident ?id))) > > (MAIN::answer (ident ?id)) > > => > > (printout t \"Retracting need-answer for question: \" ?id crlf) > > (retract ?r))" > > > > ... where does the "not" come from? > > > It's really there: it is inserted automatically when the rule is being > compiled. Resist your urge to "clean up" the need-answer facts; > they're not hurting anything and they help Jess keep track of what > it's doing. > > --------------------------------------------------------- > Ernest Friedman-Hill > Advanced Software Research Phone: (925) 294-2154 > Sandia National Labs FAX: (925) 294-2234 > PO Box 969, MS 9012 [EMAIL PROTECTED] > Livermore, CA 94550 http://herzberg.ca.sandia.gov > > -------------------------------------------------------------------- > 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]
