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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E25">T9</font></span>: <a NAME="T19"><span class="comment"><font color="firebrick">:: RING_4:19</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>, <font color="Olive" title="b3">b</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">R</font> holds <br/> ( <font color="Olive" title="b2">a</font> <a href="ring_4.html#K2" title="RING_4:func.2">|</a> <font color="Olive" title="b1">R</font> <a href="funct_2.html#R2" title="FUNCT_2:pred.2">=</a> <font color="Olive" title="b3">b</font> <a href="ring_4.html#K2" title="RING_4:func.2">|</a> <font color="Olive" title="b1">R</font> iff <font color="Olive" title="b2">a</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Olive" title="b3">b</font> )</div></div>
