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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E9">zerobs</font></span>: <a NAME="T6"><span class="comment"><font color="firebrick">:: NTALGO_2:6</font></span><br/></a><div class="add"><a href="binari_6.html#K2" title="BINARI_6:func.2">Nat2BL</a> <a href="binari_6.html#K6" title="BINARI_6:func.6">.</a> <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="binarith.html#K10" title="BINARITH:func.10">&lt;*</a><span class="default"><a href="numbers.html#K5" title="NUMBERS:func.5">0</a></span><a href="binarith.html#K10" title="BINARITH:func.10">*&gt;</a></span></div></div>
