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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E36">Th55</font></span>: <a NAME="T56"><span class="comment"><font color="firebrick">:: TREES_1:56</font></span><br/></a><div class="add"> <a href="numbers.html#NK1" title="NUMBERS:NK.1">NAT</a> , <a href="trees_1.html#K8" title="TREES_1:func.8">TrivialInfiniteTree</a>  <a href="tarski.html#R3" title="TARSKI:pred.3">are_equipotent</a> </div></div>
