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From: cats@freja.diku.dk (Carl-Lykke Pedersen)
Newsgroups: comp.ai,comp.lang.lisp
Subject: Needed production system in common lisp
Message-ID: <4725@freja.diku.dk>
Date: 7 Jun 89 10:11:39 GMT
Organization: DIKU, U of Copenhagen, DK
Lines: 7

Is there someone that can tell me if a product exists which serves as an
inference engine/production system capable of foward and backward 
chaining? It must be implemented in common lisp. Please help.


                                 THANKS,
                               cats@diku.dk