ee.org">owner-standard-upper-ontology@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>

Dear Jon,

I've read ahead a number of messages, and this is a summary of
where I am at present.

In what you say below it seems that you are using a
different definition of what a relation and tuple is to me
(at least).

To you it seems that any construct that has to involve at least
three things to be valid is necessarily a 