Hello,
this is an example of my problem.
(deftemplate person (slot name)(slot age))
(deftemplate family (slot father)(slot mother)(multislot children))
(deffacts test-facts
(person (name A)(age 35)) ;fact-1
(person (name B)(age 28)) ;fact-2
(person (name C)(age 38)) ;fact-3
(person (name D)(age 31)) ;fact-4
(person (name E)(age 30)) ;fact-5
(person (name F)(age 23)) ;fact-6
(person (name AB)(age 8)) ;fact-7
(person (name BA)(age 6)) ;fact-8
(person (name CD)(age 10)) ;fact-9
(person (name DC)(age 8)) ;fact-10
(person (name CDC)(age 4)) ;fact-11
(person (name FE)(age 1)) ;fact-12
(family (father <fact-1>)(mother <fact-2>)(children <fact-7> <fact-8>))
(family (father <fact-3>)(mother <fact-4>)(children <fact-9> <fact-10>
<fact-11>))
(family (father <fact-5>)(mother <fact-6>)(children <fact-12>))
I would like to involk the query to find the father's name of the family
which have
the children's name is "AB".
How can I define this query?
regard
