To make it more clear, if my person template had two slots instead of a
multislot, 

(deftemplate person
(slot name)
(slot friend))

I would write the rule like this

(defrule check
(person (name ?name) (friend ?friend))
(not (dislike ?friend))
=>
(assert (allow ?name))
)

However, my problem is that friend is a multislot and not a slot. So I would
like to check if a fact exists for each member of the multislot friend. How
do I do this?

Thanks,
Neha.
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