File: NTHCDR.html

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<head><title>NTHCDR.html  --  ACL2 Version 3.1</title></head>
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<h2>NTHCDR</h2>final segment of a list
<pre>Major Section:  <a href="PROGRAMMING.html">PROGRAMMING</a>
</pre><p>

<code>(Nthcdr n l)</code> removes the first <code>n</code> elements from the list <code>l</code>.
<p>
The following is a theorem.

<pre>
(implies (and (integerp n)
              (&lt;= 0 n)
              (true-listp l))
         (equal (length (nthcdr n l))
                (if (&lt;= n (length l))
                    (- (length l) n)
                  0)))
</pre>

For related functions, see <a href="TAKE.html">take</a> and see <a href="BUTLAST.html">butlast</a>.<p>

The <a href="GUARD.html">guard</a> of <code>(nthcdr n l)</code> requires that <code>n</code> is a nonnegative
integer and <code>l</code> is a true list.<p>

<code>Nthcdr</code> is a Common Lisp function.  See any Common Lisp
documentation for more information.
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