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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="grcat_1.html#NM1">GroupMorphism</a>;<br/>

<a NAME="E1:31"/><i><font color="Green">E17</font></i>: 
the <a href="grcat_1.html#U3" target="_self">Fun</a> of <font color="Maroon">c<sub>1</sub></font> <a href="funct_2.html#R1">=</a>  <a href="grcat_1.html#K11" target="_self">fun</a> <font color="Maroon">c<sub>1</sub></font>
 
;<br/>
<b>thus </b><a NAME="E2:31"/>
the <a href="grcat_1.html#U3" target="_self">Fun</a> of <font color="Maroon">c<sub>1</sub></font> is <a href="grcat_1.html#V1" target="_self">additive</a>
 <b>by </b><i><a class="txt" href="grcat_1.html#E1:31"><i><font color="Green">E17</font></i></a>, <a class="ref" href="grcat_1.html#D18" target="_self">Def18</a></i>;<br/>


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