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<a NAME="E1:38_1_1"/>
 <a href="trees_3.html#K2" target="_self">FinTrees</a>  is <a href="trees_3.html#V2" target="_self">constituted-FinTrees</a>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="38_1_1_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon">c<sub>1</sub></font> be    <a href="hidden.html#M1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="trees_3.html#D4" target="_self">TREES_3:def 4</a><br/>

<b>thus </b><a NAME="E1:38_1_1_1"/>
( <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R2">in</a>  <a href="trees_3.html#K2" target="_self">FinTrees</a>  implies <font color="Maroon">c<sub>1</sub></font> is  <a href="finset_1.html#V1">finite</a> <a href="trees_1.html#NM1">Tree</a> )
 <b>by </b><i><a class="ref" href="trees_3.html#D2" target="_self">Def2</a></i>;<br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E2:38_1_1"/>
 <a href="trees_3.html#K2" target="_self">FinTrees</a>  is <a href="trees_3.html#V2" target="_self">constituted-FinTrees</a>
 ;<br/>


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