I think erich.oliphant wrote:
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Hi,
> I am trying to figure out the best way to have a rule fire only for a fact
> whose slot value is the min or max of a group of facts.
Match a negated pattern to the (nonexistent) fact in which some
number is greater than the greatest value.
(defrule biggest-number
(number (value ?val))
(not (number (value ?val2&:(> ?val2 ?val))))
=>
)
---------------------------------------------------------
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]
--------------------------------------------------------------------
