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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E40">Th49</font></span>: <a NAME="T49"><span class="comment"><font color="firebrick">:: NUMBER10:49</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">k</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="rvsum_1.html#K18" title="RVSUM_1:func.18">Sum</a> <span class="p1">(<span class="default"><a href="number10.html#K5" title="NUMBER10:func.5">powersFS</a> (<span class="p2">(<span class="default"><a href="xcmplx_0.html#K4" title="XCMPLX_0:func.4">-</a> <font color="Olive" title="b1">k</font></span>)</span>,3,<span class="p2">(<span class="default">2 <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> <font color="Olive" title="b1">k</font></span>)</span>)</span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b1">k</font> <a href="newton.html#K1" title="NEWTON:func.1">|^</a> 3</div></div>
