ilto:owner-ontology@majordomo.ieee.org">owner-ontology@majordomo.ieee.org</A></li>
</ul>
<!--X-Head-of-Message-End-->
<!--X-Head-Body-Sep-Begin-->
<hr>
<!--X-Head-Body-Sep-End-->
<!--X-Body-of-Message-->
<PRE>

¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤

Here is a scaled-down version of one of my very first applications,
having to do with the demographic variables in a survey data base.

This Example illustrates the use of 2-variate logical forms
for expressing and reasoning about the logical