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<b>let </b><font color="Maroon">C</font> be   <a href="cat_1.html#NM4">Category</a>;<br/><b>let </b><font color="Maroon">I</font> be   <a href="index_1.html#NM9">Indexing</a> of <font color="Maroon">C</font>;<br/><b>let </b><font color="Maroon">T</font> be    <a href="index_1.html#M4" target="_self">TargetCat</a> of <font color="Maroon">I</font>;<br/><b>let </b><font color="Maroon">D</font> be  <a href="cat_5.html#V3">Categorial</a> <a href="cat_1.html#NM4">Category</a>, <font color="Maroon">E</font> be  <a href="cat_5.html#V3">Categorial</a> <a href="cat_1.html#NM4">Category</a>;<br/><b>let </b><font color="Maroon">F</font> be    <a href="cat_1.html#M2">Functor</a> of <font color="Maroon">T</font>,<font color="Maroon">D</font>;<br/><b>let </b><font color="Maroon">G</font> be    <a href="cat_1.html#M2">Functor</a> of <font color="Maroon">T</font>,<font color="Maroon">E</font>;<br/>











<b>assume </b><a NAME="E1:69"/><i><font color="Green">E23</font></i>: 
<font color="Maroon">F</font> <a href="funct_2.html#R1">=</a> <font color="Maroon">G</font>
 ;<br/>

<b>thus </b><font color="Maroon">F</font> <a href="index_1.html#K21" target="_self">*</a> <font color="Maroon">I</font> = 
<span class="p1">(<span class="default"><font color="Maroon">F</font> <a href="cat_1.html#K14">*</a> <span class="p2">(<span class="default"><font color="Maroon">I</font> <a href="index_1.html#K15" target="_self">-functor</a> <font color="Maroon">C</font>,<font color="Maroon">T</font></span>)</span></span>)</span> <a href="index_1.html#K19" target="_self">-indexing_of</a> <font color="Maroon">C</font>
<b>by </b><i/>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon">G</font> <a href="cat_1.html#K14">*</a> <span class="p2">(<span class="default"><font color="Maroon">I</font> <a href="index_1.html#K15" target="_self">-functor</a> <font color="Maroon">C</font>,<font color="Maroon">T</font></span>)</span></span>)</span> <a href="index_1.html#K19" target="_self">-indexing_of</a> <font color="Maroon">C</font>
<b>by </b><i>, </i>
<br/>.= 
<font color="Maroon">G</font> <a href="index_1.html#K21" target="_self">*</a> <font color="Maroon">I</font>
<b>by </b><i/>
;<br/>


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