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<b>let </b><font color="Maroon">c<sub>1</sub></font> be  <a href="cat_5.html#V3" target="_self">Categorial</a> <a href="cat_1.html#NM4">Category</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be   <a href="cat_1.html#NM1">Object</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>



<a NAME="E1:36"/>
the <a href="cat_1.html#U1">Objects</a> of <font color="Maroon">c<sub>1</sub></font> is <a href="cat_5.html#V2" target="_self">categorial</a>
 
<b>by </b><i><a class="ref" href="cat_5.html#D6" target="_self">Def6</a></i>;<br/>
<a NAME="E2:36"/><b>then </b>
<font color="Maroon">c<sub>2</sub></font> is   <a href="cat_1.html#NM4">Category</a>
 
<b>by </b><i><a class="ref" href="cat_5.html#D4" target="_self">Def4</a></i>;<br/>
<b>hence </b><a NAME="E3:36"/>
 <a href="cat_5.html#K10" target="_self">cat</a> <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>2</sub></font>
 <b>by </b><i><a class="ref" href="cat_5.html#D7" target="_self">Def7</a></i>;<br/>


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