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<b>set </b><font color="Maroon" title="c1">T</font> =  <a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> ;<br/>
<b>thus </b> <a href="trees_3.html#K15" title="TREES_3:func.15">tree</a> <span class="p1">(<span class="default"><a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> </span>)</span>,<span class="p1">(<span class="default"><a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> </span>)</span> = 
 <a href="trees_3.html#K13" title="TREES_3:func.13">tree</a> <span class="p1">(<span class="default">2 <a href="finseq_2.html#K2" title="FINSEQ_2:func.2">|-&gt;</a> <span class="p2">(<span class="default"><a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <a href="numbers.html#K6" title="NUMBERS:func.6">0</a> </span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="finseq_2.html#T75" title="FINSEQ_2:th.75">FINSEQ_2:75</a></i>
<br/>.= 
 <a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> 2
<b>by </b><i><a class="ref" href="trees_3.html#T57" target="_self" title="TREES_3:th.57">Th57</a></i>
;<br/>


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