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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E13">Th12</font></span>: <a NAME="T15"><span class="comment"><font color="firebrick">:: UPROOTS:15</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>, <font color="Olive" title="b3">b1</font>, <font color="Olive" title="b4">b2</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> <font color="Olive" title="b3">b1</font> <a href="pre_poly.html#K11" title="PRE_POLY:func.11">+</a> <font color="Olive" title="b4">b2</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> <span class="p1">(<span class="default"><a href="uproots.html#K2" title="UPROOTS:func.2">Sum</a> <font color="Olive" title="b3">b1</font></span>)</span> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <span class="p1">(<span class="default"><a href="uproots.html#K2" title="UPROOTS:func.2">Sum</a> <font color="Olive" title="b4">b2</font></span>)</span></div></div>
