a><span class="special">)</span><span class="special">;</span>
    <a class="link" href="../boost/logic/tribool.html" title="Class tribool">tribool</a> <a class="link" href="../boost/logic/operator___idp95449424.html" title="Function operator=="><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><a class="link" href="../boost/logic/tribool.html" title="Class tribool">tribool</a><span class="special">,</span> <span class="keyword">bool</span><span class="spe