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<div><span class="kw">theorem </span><a NAME="T57"><span class="comment"><font color="firebrick">:: POLYDIFF:57</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">p</font>, <font color="Olive" title="b2">q</font> being   <a href="polynom3.html#NM1" title="POLYNOM3:NM.1">Polynomial</a> of <a href="vectsp_1.html#K2" title="VECTSP_1:func.2">F_Real</a> holds   <a href="polydiff.html#K5" title="POLYDIFF:func.5">Eval</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">p</font> <a href="normsp_1.html#K2" title="NORMSP_1:func.2">-</a> <font color="Olive" title="b2">q</font></span>)</span> <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a> <span class="p1">(<span class="default"><a href="polydiff.html#K5" title="POLYDIFF:func.5">Eval</a> <font color="Olive" title="b1">p</font></span>)</span> <a href="valued_1.html#K47" title="VALUED_1:func.47">-</a> <span class="p1">(<span class="default"><a href="polydiff.html#K5" title="POLYDIFF:func.5">Eval</a> <font color="Olive" title="b2">q</font></span>)</span></div></div>
