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<div><span class="kw">theorem </span><a NAME="T39"><span class="comment"><font color="firebrick">:: TREES_1:39</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><br/>  for <font color="Olive" title="b2">t</font> being    <a href="trees_1.html#M1" title="TREES_1:mode.1">Element</a> of <font color="Olive" title="b1">T</font> holds  <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b2">t</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> is    <a href="trees_1.html#M4" title="TREES_1:mode.4">AntiChain_of_Prefixes</a> of <font color="Olive" title="b1">T</font></div></div>
