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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E46">Th54</font></span>: <a NAME="T54"><span class="comment"><font color="firebrick">:: TREES_3:54</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">i</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="trees_1.html#K2" title="TREES_1:func.2">elementary_tree</a> <font color="Olive" title="b1">i</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="trees_3.html#K11" title="TREES_3:func.11">tree</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">i</font> <a href="finseq_2.html#K2" title="FINSEQ_2:func.2">|-&gt;</a> <span class="p2">(<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></span>)</span></div></div>
