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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E34">Th44</font></span>: <a NAME="T44"><span class="comment"><font color="firebrick">:: TREES_9:44</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">T</font> being   <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a> holds  <font color="Olive" title="b1">T</font> <a href="trees_2.html#K2" title="TREES_2:func.2">-level</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span></div></div>
