[comp.object] expert system shell written in Smalltalk

napoli@loria.crin.fr (Amedeo Napoli) (12/26/90)

Bonne annee a tous,

I am searching for a free expert system shell with true variables,
forward or/and backward chaining, written in Smalltalk,
any pointers are welcome,
many thanks in advance,
can you send me directly the replies,
I will post a summary if anyone is interested,