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<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> 
 
<span class="kw">by</span> <span class="lab"><a class="ref" href="yellow18.html#D4" target="_self" title="YELLOW18:def.4">Def4</a></span>;<br/>
<span class="kw">hence </span><a NAME="E2:38_2_1"/>
 <a href="yellow18.html#K2" title="YELLOW18:func.2">dualizing-func</a> (<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>,<font color="Maroon" title="c1">A</font>) is  <a href="functor0.html#V21" title="FUNCTOR0:attr.21">bijective</a> 
 <span class="kw">by</span> <span class="lab"><a class="ref" href="yellow18.html#T15" target="_self" title="YELLOW18:th.15">Th16</a></span>; <a class="txt" onclick="hs(this)" href="javascript:()"><span class="comment"><font color="firebrick">::  thesis: </font></span></a><span class="hide"> verum</span><br/>


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