It's a bit difficult what I'm trying to do, but I'll try my best to explain
it. I'd like to take an arbitrary predicate, and find which facts could be
entered in the database that could make it true.
I'm working on a computer game dialogue framework that allows communication
between agents (i.e. NPCs) to take the form of logical expressions. I'd
like different agents to have
Suppose there are a number of relations that could be said to be true of a
person.
(defrel mother x y) ;; x is mother of y
(defrel isPretty x)
(defrel isFat x)
(defrel isUgly x)
(defrel bad f)
(defrel good f)
And we have some facts defined:
(facts mother '[[Anna Jimmy]]) ;; Anna is Jimmy's mom
(facts bad [[isFat] [isUgly]]) ;; isFat and isUgly are considered bad
(facts good [[isPretty]]) ;; isPretty is considered good
And there's a rule that says if the following is true, then Jimmy is unhapy:
(fresh [m p]
(mother m 'Jimmy)
(isBad p)
(project [p] (p m)))
Now, there's another agent Dick who is a meanie. He wants Jimmy to be
unhappy.
I'm wondering if there's a way I could analyze the above relation to
determine that by
entering the fact (isUgly 'Anna) or (isFat 'Anna), it would be true.
I hope that's not too confusing. Does anyone have any ideas about this?
Thanks.
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