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<b>consider </b><font color="Maroon">o</font> being   <a href="altcat_1.html#NM1">object</a> of <font color="Maroon">C2</font>;<br/>
<b>take </b>
<font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span>
;<br/>

<b>thus </b><a NAME="E2:70_1_1"/>
( <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V8" target="_self">feasible</a> &amp; <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V12" target="_self">id-preserving</a> &amp; ( ( <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V10" target="_self">Covariant</a> &amp; <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V13" target="_self">comp-preserving</a> ) or ( <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V11" target="_self">Contravariant</a> &amp; <font color="Maroon">C1</font> <a href="functor0.html#K9" target="_self">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">o</font></span>)</span> is <a href="functor0.html#V14" target="_self">comp-reversing</a> ) ) )
 ;<br/>


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