Thank you all for your replay.
From: "Ernest Friedman-Hill" <[EMAIL PROTECTED]>
Reply-To: [email protected]
To: [email protected]
Subject: Re: JESS: if operator
Date: Tue, 6 Mar 2007 09:52:07 -0500
On Mar 6, 2007, at 8:20 AM, M Ismail wrote:
and i want to define a rule like the following:
(defrule fight-rule-8
(if r_object == r_relation)
=>
(assert (update-control 25))
Old syntax (any version of Jess:)
(defrule fight-rule-8
(relation (r_object ?obj) (r_relation ?obj))
=>
(assert ...
New syntax (Jess 7 or later:)
(defrule fight-rule-8
(relation {r_object == r_relation})
=>
(assert ...
Note that the rule "same-first-and-last-name" in section 6.2 of the Jess 7
manual, "Simple Patterns", does exactly what you need. Have a look.
---------------------------------------------------------
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://www.jessrules.com
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