is degree of pickiness
&gt; &gt; will all seem a bit silly, at first and then again a few months
&gt; &gt; later when you have much worse problems to worry about, but still,
&gt; &gt; experience teaches the experienced teacher that there is a point
&gt; &gt; to it.
&gt; &gt;
&gt; &gt; Moral Of The Story?  Well, one thing ought to be perfectly clear
&gt; &gt; by now to all sensible observers, and that is that the nature and
&gt; &gt; the structure of the mathematical object in question, whether it
&gt; &gt; 