Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!usc!wuarchive!uunet!mcsun!unido!uklirb!shell
From: holt@auk.cs.athabascau.ca (Peter D Holt)
Newsgroups: comp.ai.shells
Subject: public domain shells
Summary: seeks embeddable pd shell (C source preferred)
Keywords: public domain, shell, backward chaining
Message-ID: <7267@uklirb.informatik.uni-kl.de>
Date: 28 Nov 90 21:57:56 GMT
Sender: shell@uklirb.informatik.uni-kl.de
Lines: 3
Approved: shell@informatik.uni-kl.de
Posted-Date: Mon Dec  3 10:25:42 GMT 1990

I am looking for a public domain backward chaining inference
engine that can be called from C or C++. 
C or C++ Source preferred.  Please reply by email.