Well, that's what multifield variables do.
(defrule some-rule
(expression ?v OR $?X)
=>
action
;; ?v is "A" and $?X is ([ B AND C OR D ]).
Does this not do what you need?
I think Daniel Carrier wrote:
[Charset iso-8859-1 unsupported, filtering to ASCII...]
> Hello all,
>
> I'd like to know if it's possible to define a rule in such a way as
> to permit the pattern matching of say the start of a fact with anything else
> afterwards. For instance,
>
> (assert (expression A OR [B AND C OR D] ))
>
> (defrule some-rule
> (expression ?v OR X)
> =>
> action
>
> where X would be the rest of the tokens in the matching fact ( it would
> value [B AND C OR D] ).
>
> To my knowledge, within a rule based expert system i shouldn't be able to do
> such things but If i was it could simplify greatly the goals i have fixed
> myself.
>
>
> Can anyone help me out?
>
>
> Daniel Carrier
>
---------------------------------------------------------
Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
Org. 8920, MS 9012 [EMAIL PROTECTED]
PO Box 969 http://herzberg.ca.sandia.gov
Livermore, CA 94550
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