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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E20">Th15</font></span>: <a NAME="T15"><span class="comment"><font color="firebrick">:: HUFFMAN1:15</font></span><br/></a><div class="add"> <a href="trees_1.html#K3" title="TREES_1:func.3">Leaves</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#K5" title="NUMBERS:func.5">0</a></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a></div></div>
