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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E30">Th30</font></span>: <a NAME="T30"><span class="comment"><font color="firebrick">:: MOEBIUS1:30</font></span><br/></a><div class="add"> <a href="moebius1.html#K2" title="MOEBIUS1:func.2">Moebius</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 1</div></div>
