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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E9">Th8</font></span>: <a NAME="T11"><span class="comment"><font color="firebrick">:: UPROOTS:11</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">A</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">b</font> being   <a href="uproots.html#NM1" title="UPROOTS:NM.1">Rbag</a> of <font color="Olive" title="b1">A</font>  st <font color="Olive" title="b2">b</font> <a href="pboole.html#R6" title="PBOOLE:pred.6">=</a>  <a href="pre_poly.html#K16" title="PRE_POLY:func.16">EmptyBag</a> <font color="Olive" title="b1">A</font> holds <br/> <a href="uproots.html#K2" title="UPROOTS:func.2">Sum</a> <font color="Olive" title="b2">b</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="numbers.html#K5" title="NUMBERS:func.5">0</a> </div></div>
