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<head><title>ALPHA-CHAR-P.html -- ACL2 Version 3.1</title></head>
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<h2>ALPHA-CHAR-P</h2>recognizer for alphabetic characters
<pre>Major Section: <a href="PROGRAMMING.html">PROGRAMMING</a>
</pre><p>
<code>(Alpha-char-p x)</code> is true if and only if <code>x</code> is a alphabetic
character, i.e., one of the <a href="CHARACTERS.html">characters</a> <code>#a</code>, <code>#b</code>, ..., <code>#z</code>, <code>#A</code>, <code>#B</code>,
..., <code>#Z</code>.
<p>
The <a href="GUARD.html">guard</a> for <code>alpha-char-p</code> requires its argument to be a character.<p>
<code>Alpha-char-p</code> is a Common Lisp function. See any Common Lisp
documentation for more information.
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