<h4>See Also</h4>
		<ul>
			<li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
			<li><a href="sub_d.html">BOOST_PP_SUB_D</a></li>
		</ul>
	<h4>Requirements</h4>
		<div>
			<b>Header:</b> &nbsp;<a href="../headers/arithmetic/sub.hpp.html">&lt;boost/preprocessor/arithmetic/sub.hpp&gt;</a>
		</div>
	<h4>Sample Code</h4>
<div><pre>
#include &lt;<a href="../headers/arithmetic/sub.hpp.html">boost/preprocessor/arithmetic/sub.hpp</a>&gt;

<a href="sub.html">BOOST_PP_SUB</a>(4, 3) // expands to 1
</pre></div>