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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">D</font> be   <a href="cat_1.html#NM4">Category</a>;<br/><b>let </b><font color="Maroon">F</font> be    <a href="oppcat_1.html#M1" target="_self">Contravariant_Functor</a> of <font color="Maroon">C</font>,<font color="Maroon">D</font>;<br/><b>let </b><font color="Maroon">c</font> be   <a href="cat_1.html#NM1">Object</a> of <font color="Maroon">C</font>;<br/>







<a NAME="E1:82"/>
 <a href="oppcat_1.html#K8" target="_self">*'</a> <font color="Maroon">F</font> is    <a href="cat_1.html#M2">Functor</a> of <font color="Maroon">C</font> <a href="oppcat_1.html#K2" target="_self">opp</a> ,<font color="Maroon">D</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><span class="p1">(<span class="default"><a href="cat_1.html#K12">Obj</a> <span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="oppcat_1.html#K8" target="_self">*'</a> <font color="Maroon">F</font></span>)</span> <a href="oppcat_1.html#K9" target="_self">*'</a> </span>)</span></span>)</span> <a href="funct_2.html#K3">.</a> <span class="p1">(<span class="default"><font color="Maroon">c</font> <a href="oppcat_1.html#K3" target="_self">opp</a> </span>)</span> = 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="cat_1.html#K12">Obj</a> <span class="p3">(<span class="default"><a href="oppcat_1.html#K8" target="_self">*'</a> <font color="Maroon">F</font></span>)</span></span>)</span> <a href="funct_2.html#K3">.</a> <span class="p2">(<span class="default"><font color="Maroon">c</font> <a href="oppcat_1.html#K3" target="_self">opp</a> </span>)</span></span>)</span> <a href="oppcat_1.html#K3" target="_self">opp</a> 
<b>by </b><i><a class="ref" href="oppcat_1.html#T14" target="_self">Th14</a></i>
<br/>.= 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="cat_1.html#K12">Obj</a> <font color="Maroon">F</font></span>)</span> <a href="funct_2.html#K3">.</a> <span class="p2">(<span class="default"><a href="oppcat_1.html#K4" target="_self">opp</a> <span class="p3">(<span class="default"><font color="Maroon">c</font> <a href="oppcat_1.html#K3" target="_self">opp</a> </span>)</span></span>)</span></span>)</span> <a href="oppcat_1.html#K3" target="_self">opp</a> 
<b>by </b><i><a class="ref" href="oppcat_1.html#T16" target="_self">Th16</a></i>
<br/>.= 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="cat_1.html#K12">Obj</a> <font color="Maroon">F</font></span>)</span> <a href="funct_2.html#K3">.</a> <font color="Maroon">c</font></span>)</span> <a href="oppcat_1.html#K3" target="_self">opp</a> 

;<br/><br/>


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