tle="Empty type" class="object"></a><a href="HoTT$$Zero$.html" title="Empty type">Zero</a></li><li class="current-entities indented2"><span class="separator"></span> <a href="HoTT$$vacuousSym$.html" title="Symbol for map 0 -&gt; A" class="object"></a><a href="HoTT$$vacuousSym$.html" title="Symbol for map 0 -&gt; A">vacuousSym</a></li></ul></div></div><div id="content"><body class="object value"><div id="definition"><a href="HoTT$$ApplnFailException.html" title="See companion class"><div class="big-circle ob