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<head><title>ACL2-PC_colon__colon_TOP.html -- ACL2 Version 3.1</title></head>
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<h3>ACL2-PC::TOP</h3>(atomic macro)
<code> </code>move to the top of the goal
<pre>Major Section: <a href="PROOF-CHECKER-COMMANDS.html">PROOF-CHECKER-COMMANDS</a>
</pre><p>
<pre>
Example and General Form:
top
</pre>
For example, if the conclusion is <code>(= x (* (- y) z))</code> and the
current subterm is <code>y</code>, then after executing <code>top</code>, the current subterm
will be the same as the conclusion, i.e., <code>(= x (* (- y) z))</code>.
<p>
<code>Top</code> is the same as <code>(up n)</code>, where <code>n</code> is the number of times one needs
to execute <code>up</code> in order to get to the top of the conclusion. The <code>top</code>
command fails if one is already at the top of the conclusion.<p>
See also <code>up</code>, <code>dive</code>, <code>nx</code>, and <code>bk</code>.
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