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<div><span class="kw">theorem </span><a NAME="T20"><span class="comment"><font color="firebrick">:: POLYDIFF:20</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">f</font> being   <a href="fdiff_1.html#V4" title="FDIFF_1:attr.4">differentiable</a>  <a href="funct_2.html#NM1" title="FUNCT_2:NM.1">Function</a> of <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>,<a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> holds  <span class="p1">(<span class="default"><a href="valued_1.html#K32" title="VALUED_1:func.32">-</a> <font color="Olive" title="b1">f</font></span>)</span> <a href="polydiff.html#K1" title="POLYDIFF:func.1">`|</a>  <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a>  <a href="valued_1.html#K32" title="VALUED_1:func.32">-</a> <span class="p1">(<span class="default"><font color="Olive" title="b1">f</font> <a href="polydiff.html#K1" title="POLYDIFF:func.1">`|</a></span>)</span> <span class="kw">by</span> <span class="lab"><a class="ref" href="polydiff.html#T19" target="_self" onmouseover="rs('polydiff/T19')" onmouseout="rh()">Th19</a></span>;<br/></div></div>
