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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E18">Th27</font></span>: <a NAME="T27"><span class="comment"><font color="firebrick">:: EXCHSORT:27</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">f</font> being   <a href="ordinal1.html#NM4" title="ORDINAL1:NM.4">Sequence</a>  st <font color="Olive" title="b1">f</font> is  <a href="exchsort.html#V4" title="EXCHSORT:attr.4">descending</a>  &amp; <font color="Olive" title="b1">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a>  holds <br/><font color="Olive" title="b1">f</font> is  <a href="finset_1.html#V1" title="FINSET_1:attr.1">finite</a> </div></div>
