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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E29">Th31</font></span>: <a NAME="T31"><span class="comment"><font color="firebrick">:: TREES_3:31</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">x</font>, <font color="Olive" title="b2">y</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds <br/> ( <span class="p1"><a href="finseq_1.html#K10" title="FINSEQ_1:func.10">&lt;*</a><span class="default"><font color="Olive" title="b1">x</font>,<font color="Olive" title="b2">y</font></span><a href="finseq_1.html#K10" title="FINSEQ_1:func.10">*&gt;</a></span> is  <a href="trees_3.html#V4" title="TREES_3:attr.4">Tree-yielding</a>  iff ( <font color="Olive" title="b1">x</font> is   <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a> &amp; <font color="Olive" title="b2">y</font> is   <a href="trees_1.html#NM1" title="TREES_1:NM.1">Tree</a> ) )</div></div>
