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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E66">Th81</font></span>: <a NAME="T68"><span class="comment"><font color="firebrick">:: ORDINAL7:68</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font>, <font color="Olive" title="b2">b</font>, <font color="Olive" title="b3">c</font> being   <a href="ordinal1.html#NM3" title="ORDINAL1:NM.3">Ordinal</a> holds  <span class="p1">(<span class="default"><font color="Olive" title="b1">a</font> <a href="ordinal7.html#K5" title="ORDINAL7:func.5">(+)</a> <font color="Olive" title="b2">b</font></span>)</span> <a href="ordinal7.html#K5" title="ORDINAL7:func.5">(+)</a> <font color="Olive" title="b3">c</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">a</font> <a href="ordinal7.html#K5" title="ORDINAL7:func.5">(+)</a> <span class="p1">(<span class="default"><font color="Olive" title="b2">b</font> <a href="ordinal7.html#K5" title="ORDINAL7:func.5">(+)</a> <font color="Olive" title="b3">c</font></span>)</span></div></div>
