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<div><span class="kw">theorem </span><a NAME="T61"><span class="comment"><font color="firebrick">:: FIELD_14:61</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R</font> being   <a href="vectsp_1.html#NM3" title="VECTSP_1:NM.3">Ring</a><br/>  for <font color="Olive" title="b2">a</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">R</font> holds  <span class="p1">(<span class="default"><a href="field_14.html#NK6" title="FIELD_14:NK.6">Deriv</a> <font color="Olive" title="b1">R</font></span>)</span> <a href="field_1.html#K2" title="FIELD_1:func.2">.</a> <span class="p1">(<span class="default"><a href="field_9.html#K2" title="FIELD_9:func.2">X-</a> <font color="Olive" title="b2">a</font></span>)</span> <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a>  <a href="polynom3.html#K9" title="POLYNOM3:func.9">1_.</a> <font color="Olive" title="b1">R</font></div></div>
