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<b>set </b><font color="Maroon">c<sub>4</sub></font> =  <a href="mod_2.html#K5" target="_self">ZERO</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>;<br/>
<a NAME="E1:23_1_1"/><i><font color="Green">E13</font></i>: 
(  <a href="mod_2.html#K2" target="_self">dom</a> <span class="p1">(<span class="default"><a href="mod_2.html#K5" target="_self">ZERO</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>2</sub></font> &amp;  <a href="mod_2.html#K3" target="_self">cod</a> <span class="p1">(<span class="default"><a href="mod_2.html#K5" target="_self">ZERO</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>3</sub></font> &amp;  <a href="mod_2.html#K4" target="_self">fun</a> <span class="p1">(<span class="default"><a href="mod_2.html#K5" target="_self">ZERO</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font></span>)</span> <a href="funct_2.html#R1">=</a>  <a href="grcat_1.html#K8">ZeroMap</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> )
 
;<br/>
<a NAME="E2:23_1_1"/>
 <a href="grcat_1.html#K8">ZeroMap</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> is <a href="mod_2.html#V1" target="_self">linear</a>
 
<b>by </b><i><a class="ref" href="mod_2.html#T8" target="_self">Th8</a></i>;<br/>
<b>hence </b><a NAME="E3:23_1_1"/>
 <a href="mod_2.html#K5" target="_self">ZERO</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font> is  <a href="mod_2.html#V2" target="_self">strict</a>  <a href="mod_2.html#M1" target="_self">Morphism</a> of <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>3</sub></font>
 <b>by </b><i><a class="txt" href="mod_2.html#E1:23_1_1"><i><font color="Green">E13</font></i></a>, <a class="ref" href="mod_2.html#T11" target="_self">Th11</a></i>;<br/>


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