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<b>consider </b><font color="Maroon" title="c1">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>;<br/>
<b>take </b>
<font color="Maroon" title="c1">R</font>
;<br/>

<b>thus </b><a NAME="E2:1_1_1"/>
not <font color="Maroon" title="c1">R</font> is <a href="struct_0.html#V7" title="STRUCT_0:attr.7">trivial</a>
 ;<br/>


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