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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E3">Th5</font></span>: <a NAME="T5"><span class="comment"><font color="firebrick">:: MARGREL1:5</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">k</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a>  holds   <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  is    <a href="margrel1.html#M1" title="MARGREL1:mode.1">relation_length</a> of <font color="Olive" title="b1">k</font></div></div>
