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<head><title>ACL2-PC_colon__colon_DROP.html -- ACL2 Version 3.1</title></head>
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<h3>ACL2-PC::DROP</h3>(primitive)
<code> </code>drop top-level hypotheses
<pre>Major Section: <a href="PROOF-CHECKER-COMMANDS.html">PROOF-CHECKER-COMMANDS</a>
</pre><p>
<pre>
Examples:
(drop 2 3) -- drop the second and third hypotheses
drop -- drop all top-level hypotheses
<p>
General Forms:
(drop n1 n2 ...) -- Drop the hypotheses with the indicated indices.<p>
drop -- Drop all the top-level hypotheses.
</pre>
<strong>Note:</strong> If there are no top-level hypotheses, then the instruction
<code>drop</code> will fail. If any of the indices is out of range, i.e. is not
an integer between one and the number of top-level hypotheses
<code>(inclusive)</code>, then <code>(drop n1 n2 ...)</code> will fail.
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