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<div><span class="kw">theorem </span><a NAME="T58"><span class="comment"><font color="firebrick">:: FINSEQ_2:58</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">a</font> being    <a href="hidden.html#M1" title="HIDDEN:mode.1">object</a>  holds  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> <a href="finseq_2.html#K2" title="FINSEQ_2:func.2">|-&gt;</a> <font color="Olive" title="b1">a</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="xboole_0.html#K1" title="XBOOLE_0:func.1">{}</a>  ;<br/></div></div>
