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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="ringcat1.html#NM1">RingMorphism</a>;<br/>

<a NAME="E1:17"/>
the <a href="ringcat1.html#U3" target="_self">Fun</a> of <font color="Maroon">c<sub>1</sub></font> <a href="funct_2.html#R2">=</a>  <a href="ringcat1.html#K3" target="_self">fun</a> <font color="Maroon">c<sub>1</sub></font>
 
;<br/>
<b>hence </b><a NAME="E2:17"/>
the <a href="ringcat1.html#U3" target="_self">Fun</a> of <font color="Maroon">c<sub>1</sub></font> is <a href="ringcat1.html#V1" target="_self">linear</a>
 <b>by </b><i><a class="ref" href="ringcat1.html#D6" target="_self">Def6</a></i>;<br/>


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