# true -- keywords compare lexicographically by keyword name</span>
(<span class="mdzsyn-coresym">=</span> <span class="mdzsyn-constant">nil</span> <span class="mdzsyn-constant">nil</span>)      <span class="mdzsyn-comment"># true -- nil always equal to itself and only itself</span></code></pre><p>More generally, each of these operators can take any number of arguments
(from 0) and will return true if the arguments do not violate the ordering
implied by the operator.  So <code class="mendoza-code">(&lt; 1 2