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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E60">der1</font></span>: <a NAME="T58"><span class="comment"><font color="firebrick">:: FIELD_14:58</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">R</font> being   non  <a href="struct_0.html#V6" title="STRUCT_0:attr.6">degenerated</a>  <a href="vectsp_2.html#NM1" title="VECTSP_2:NM.1">comRing</a> holds <br/> ( <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="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1">(<span class="default"><a href="polynom3.html#K9" title="POLYNOM3:func.9">1_.</a> <font color="Olive" title="b1">R</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="polynom3.html#K8" title="POLYNOM3:func.8">0_.</a> <font color="Olive" title="b1">R</font> &amp; <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="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <span class="p1">(<span class="default"><a href="polynom3.html#K8" title="POLYNOM3:func.8">0_.</a> <font color="Olive" title="b1">R</font></span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="polynom3.html#K8" title="POLYNOM3:func.8">0_.</a> <font color="Olive" title="b1">R</font> )</div></div>
