 stage
&gt; &gt; - temporal part- of your lifetime, in this way of talking.)
&gt; &gt;
&gt; &gt; &gt;but probably means it to refer to temporal parts (a completely
&gt; &gt; &gt;foreign usage to anyone but us).  Or does it also refer to physical
&gt; &gt; &gt;parts at the same time?  If a set is an entity, do members of a set
&gt; &gt; &gt;count as its parts,
&gt; &gt;
&gt; &gt; NO!  Wash your mouth out with soap!
&gt; &gt;
&gt; &gt; &gt;and how can we tell whether they are "present" or not, or whether
&gt;