r in a distinct product that
the beauty is held to abide, this makes logic the sublimest
art.  (Why be logical?  Becuase it pleases me to be logical.)

| It depends on what the meaning of the word &quot;is&quot; is.
|
| President William Jefferson Clinton, August ?, 1998

Of course, there is much that is open to interpretation about the maxim
&quot;knowledge is virtue&quot;.  In particular, does the copula &quot;is&quot; represent a
necessary implication (&quot;=&gt;&quot;), a sufficient reduction (&quot;is