File: NO-DUPLICATESP.html

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<head><title>NO-DUPLICATESP.html  --  ACL2 Version 3.1</title></head>
<body text=#000000 bgcolor="#FFFFFF">
<h2>NO-DUPLICATESP</h2>check for duplicates in a list (using <code>eql</code> for equality)
<pre>Major Section:  <a href="PROGRAMMING.html">PROGRAMMING</a>
</pre><p>

<code>(no-duplicatesp l)</code> is true if and only if no member of <code>l</code>
occurs twice in <code>l</code>.
<p>
<code>(no-duplicatesp l)</code> has a <a href="GUARD.html">guard</a> of <code>(eqlable-listp l)</code>.
Membership is tested using <code><a href="MEMBER.html">member</a></code>, hence using <code><a href="EQL.html">eql</a></code> as
the test.
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