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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E24">Th23</font></span>: <a NAME="T23"><span class="comment"><font color="firebrick">:: RFUNCT_3:23</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">D</font> being   non  <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>   <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a> <br/>  for <font color="Olive" title="b2">G1</font>, <font color="Olive" title="b3">G2</font> being    <a href="rfunct_3.html#M2" title="RFUNCT_3:mode.2">Element</a> of  <a href="rfunct_3.html#K3" title="RFUNCT_3:func.3">PFuncs</a> (<font color="Olive" title="b1">D</font>,<a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>) holds   <a href="rfunct_3.html#K14" title="RFUNCT_3:func.14">Sum</a> <span class="p1"><a href="finseq_4.html#K2" title="FINSEQ_4:func.2">&lt;*</a><span class="default"><font color="Olive" title="b2">G1</font>,<font color="Olive" title="b3">G2</font></span><a href="finseq_4.html#K2" title="FINSEQ_4:func.2">*&gt;</a></span> <a href="relset_1.html#R2" title="RELSET_1:pred.2">=</a> <font color="Olive" title="b2">G1</font> <a href="rfunct_3.html#K5" title="RFUNCT_3:func.5">+</a> <font color="Olive" title="b3">G2</font></div></div>
