these extended mini-essays in places, and
&gt; &gt; &gt; &gt; they are very
&gt; &gt; &gt; &gt; &gt; &gt; useful for giving a kind of survey of a connected
&gt; &gt; bunch of tricky
&gt; &gt; &gt; &gt; &gt; &gt; concepts. For example, Cyc has about seven (ten?)
&gt; &gt; &gt; &gt; distinct ways that
&gt; &gt; &gt; &gt; &gt; &gt; one thing might 'cover' something else, and without the
&gt; &gt; &gt; &gt; guide nobody
&gt; &gt; &gt; &gt; &gt; &gt; could possibly follow exactly what they mean. Here's one
&gt; 