<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T34"><span class="comment"><font color="firebrick">:: BORSUK_4:34</font></span><br/></a><div class="add"> <a href="borsuk_4.html#K1" title="BORSUK_4:func.1">I(01)</a>  is  <a href="tsep_1.html#V1" title="TSEP_1:attr.1">open</a>  ;<br/></div></div>
