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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E28">XFX</font></span>: <a NAME="T39"><span class="comment"><font color="firebrick">:: RVSUM_4:39</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">D</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">f</font>, <font color="Olive" title="b3">g</font> being   <a href="afinsq_1.html#NM2" title="AFINSQ_1:NM.2">XFinSequence</a> of <font color="Olive" title="b1">D</font> holds  <font color="Olive" title="b2">f</font> <a href="ordinal4.html#K1" title="ORDINAL4:func.1">^</a> <font color="Olive" title="b3">g</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b2">f</font> <a href="rvsum_4.html#K8" title="RVSUM_4:func.8">^</a> <span class="p1">(<span class="default"><a href="rvsum_4.html#K11" title="RVSUM_4:func.11">XFS2FS</a> <font color="Olive" title="b3">g</font></span>)</span></div></div>
