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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E7">EXL1</font></span>: <a NAME="T3"><span class="comment"><font color="firebrick">:: NTALGO_2:3</font></span><br/></a><div class="add"> <a href="binari_6.html#K1" title="BINARI_6:func.1">LenBSeq</a> 1 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 1</div></div>
