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<a NAME="E1:7_2_1"/>
<font color="Maroon">c<sub>2</sub></font> <a href="mcart_1.html#K18">`12</a>  <a href="hidden.html#R1">=</a>  <a href="cat_1.html#K3">cod</a> <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="ref" href="cat_5.html#T2" target="_self">Th2</a></i>;<br/>
<b>hence </b><a NAME="E2:7_2_1"/>
<font color="Maroon">c<sub>2</sub></font> <a href="mcart_1.html#K18">`12</a>  is   <a href="cat_1.html#NM1">Object</a> of <font color="Maroon">c<sub>1</sub></font>
 ;<br/>


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