<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E22">Th28</font></span>: <a NAME="T28"><span class="comment"><font color="firebrick">:: TREES_2:28</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">W</font> being   <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a><br/>  for <font color="Olive" title="b2">C</font> being    <a href="trees_2.html#M1" title="TREES_2:mode.1">Chain</a> of <font color="Olive" title="b1">W</font>  ex <font color="Olive" title="b3">B</font> being   <a href="trees_2.html#NM3" title="TREES_2:NM.3">Branch</a> of <font color="Olive" title="b1">W</font> st <font color="Olive" title="b2">C</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <font color="Olive" title="b3">B</font></div></div>
