Hello,

I would like to know if is possible to make queries with conditions, like:

(deftemplate (person (slot name) (slot age))

;(intended query)
(defquery person-by-age
(declare (variables ?age))
(person (name ?name) (age (>?age)))

Now, I have some persons inside the working memory and i would like to
make something like this,

(person-by-age 10)

and it gives me the people which is older than 10 years. This is
possible in some way? Moreover, how can i know who is the older in the
database, only using a query? This is possible at all, or i need to do
intermediate functions?

Regards,

Joao Mourao

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