of survey of a connected bunch of tricky
&gt; &gt; concepts. For example, Cyc has about seven (ten?) distinct ways that
&gt; &gt; one thing might 'cover' something else, and without the guide nobody
&gt; &gt; could possibly follow exactly what they mean. Here's one that might
&gt; &gt; be useful:
&gt; &gt;
&gt; &gt; (documentation Occurrent/Continuant-contrast-note " The question of
&gt; &gt; deciding whether something is a continuant or an occurrent can be
&gt; &gt; subtle. Notice it only arises for entiti