File: RASSOC-EQUAL.html

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<head><title>RASSOC-EQUAL.html  --  ACL2 Version 3.1</title></head>
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<h2>RASSOC-EQUAL</h2>look up value in association list, using <code><a href="EQUAL.html">equal</a></code> as test
<pre>Major Section:  <a href="PROGRAMMING.html">PROGRAMMING</a>
</pre><p>

<code>(Rassoc-equal x alist)</code> is similar to <code>(assoc-equal x alist)</code>, the
difference being that it looks for the first pair in the given alist whose
<code><a href="CDR.html">cdr</a></code>, rather than <code><a href="CAR.html">car</a></code>, is <code><a href="EQUAL.html">equal</a></code> to <code>x</code>.
See <a href="ASSOC-EQUAL.html">assoc-equal</a>.
<p>
The <a href="GUARD.html">guard</a> of <code>rassoc-equal</code> requires its second argument to be an
alist.  See <a href="RASSOC.html">rassoc</a> and see <a href="RASSOC-EQ.html">rassoc-eq</a>.
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