If you're trying to find a user_profile with hiv_status "neg" and age
any value except "under_18", then
(user_profile (hiv_status "neg") (age ~"under_18"))
will do it.
I think Message UK wrote:
>
> I'm trying to negate the following:
>
> (age "under_18")
>
> I've tried:
> (not(age "under_18"))
>
> and
>
> (age ~"under_18")
>
>
> as part of this rule:
>
> (defrule
> ?u <- (user_profile (hiv_status "neg") (age "under_18"))
> ?e <- (enquiry (someone_has_HIV "done"))
> =>
> (modify ?e (transmission_entry "yes")))
>
>
> How do i do it???
>
> Thanks folks.
>
---------------------------------------------------------
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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