ot;
may be referenced by any of the symbols &rsquo;FOO&rsquo;, &rsquo;foo&rsquo;, &rsquo;foO&rsquo; etc.  You
may create case-sensitive modules, but if you do so, when inside that
module all PowerLoom commands and other symbols such as AND, EXISTS,
etc.  will need to be referred to using uppercase names, since no
automatic case-conversion will take place.
</p><h3><a name="FOOT4" href="manual_3.html#DOCF4">(4)</a></h3>
<p>Actually, PowerLoom
implements a <em>five-valued</em> logic &mdash; the remaining two v