<p>Demos: Of course they’re not totally arbitrary. But (1) they’re arbitrary for most students except those few, and (2) which ones those “few” turn out to be will seem, if you try to predict in advance, arbitrary.</p>
<p>Demos: Of course they’re not totally arbitrary. But (1) they’re arbitrary for most students except those few, and (2) which ones those “few” turn out to be will seem, if you try to predict in advance, arbitrary.</p>