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<a NAME="E1:39_1_1"/>
<font color="Maroon" title="c1">A</font>,<font color="Maroon" title="c1">A</font> <a href="yellow18.html#K1" title="YELLOW18:func.1">opp</a>  <a href="yellow18.html#R2" title="YELLOW18:pred.2">are_opposite</a> 
 
<b>by </b><i><a class="ref" href="yellow18.html#D4" target="_self" title="YELLOW18:def.4">Def4</a></i>;<br/>
<b>hence </b><a NAME="E2:39_1_1"/>
 <a href="yellow18.html#K2" title="YELLOW18:func.2">dualizing-func</a> <font color="Maroon" title="c1">A</font>,<span class="p1">(<span class="default"><font color="Maroon" title="c1">A</font> <a href="yellow18.html#K1" title="YELLOW18:func.1">opp</a> </span>)</span> is <a href="functor0.html#V21" title="FUNCTOR0:attr.21">bijective</a>
 <b>by </b><i><a class="ref" href="yellow18.html#T16" target="_self" title="YELLOW18:th.16">Th16</a></i>;<br/>


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