Thanks for the prompt reply. However, the answer
works only if the number of facts to be combined
is known. The problem I am facing is that the
facts are all in the form of (a ...), but I don't
know how many in advance. I just need to combine
them all.
Thanks again for the help.
Sam Yang
At 07:15 15/04/99 -0700, you wrote:
>(defrule combine-facts
> (a ?X)
> (a ?Y&~?X)
> (a ?Z&~Y&~X)
> =>
> (assert (A ?X ?Y ?Z)))
>
>Something like that?
>
>
>I think S Yang wrote:
>>
>> Dear All,
>>
>> I am trying to write some JESS programs. It is easy to
>> start but to write something useful, it is much more
>> difficult than other languages. One of the problwm I
>> often face can be simplified as the following:
>>
>> Given a list of facts:
>> (a 1)
>> (a 2)
>> (a 3)
>> ...
>>
>> How do you construct a fact?
>> (A 1 2 3 ...)
>>
>> Thanks in advance.
>>
>> Sam Yang
>>
>>
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>
>
>---------------------------------------------------------
>Ernest Friedman-Hill
>Distributed Systems Research Phone: (925) 294-2154
>Sandia National Labs FAX: (925) 294-2234
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