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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E42">Th55</font></span>: <a NAME="T55"><span class="comment"><font color="firebrick">:: NUMPOLY1:55</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds  <span class="p1">(<span class="default"><a href="numpoly1.html#K1" title="NUMPOLY1:func.1">Triangle</a> <font color="Olive" title="b1">n</font></span>)</span> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> <span class="p1">(<span class="default"><a href="numpoly1.html#K1" title="NUMPOLY1:func.1">Triangle</a> <span class="p2">(<span class="default"><font color="Olive" title="b1">n</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> 1</span>)</span></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">n</font> <a href="xcmplx_0.html#K2" title="XCMPLX_0:func.2">+</a> 1</span>)</span> <a href="pepin.html#K1" title="PEPIN:func.1">^2</a> </div></div>
