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<div><span class="kw">theorem </span><a NAME="T27"><span class="comment"><font color="firebrick">:: GLIBPRE1:27</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">G</font> being   <a href="glib_000.html#NM2" title="GLIB_000:NM.2">_Graph</a><br/>  for <font color="Olive" title="b2">T</font> being   <a href="glib_001.html#NM4" title="GLIB_001:NM.4">Trail</a> of <font color="Olive" title="b1">G</font> holds  <font color="Olive" title="b2">T</font> <a href="glib_001.html#K15" title="GLIB_001:func.15">.length()</a>  <a href="ordinal1.html#R1" title="ORDINAL1:pred.1">c=</a> <font color="Olive" title="b1">G</font> <a href="glib_000.html#K16" title="GLIB_000:func.16">.size()</a> </div></div>
