<?xml version="1.0"?>
<div class="add">

<a NAME="E1:39_1_1"/>
 <a href="trees_4.html#K1">root-tree</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="tarski.html#K1">{</a><span class="default"><span class="p2"><a href="tarski.html#K4">[</a><span class="default"><a href="xboole_0.html#K1">{}</a> ,<font color="Maroon">c<sub>1</sub></font></span><a href="tarski.html#K4">]</a></span></span><a href="tarski.html#K1">}</a></span>
 
<b>by </b><i><a class="ref" href="trees_4.html#T6">TREES_4:6</a></i>;<br/>
<b>hence </b><a NAME="E2:39_1_1"/>
 <a href="trees_4.html#K1">root-tree</a> <font color="Maroon">c<sub>1</sub></font> is <a href="finset_1.html#V1">finite</a>
 ;<br/>


</div>
