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<b>consider </b><font color="Maroon">c<sub>3</sub></font> being   <a href="altcat_1.html#NM1">object</a> of <font color="Maroon">c<sub>2</sub></font>;<br/>
<b>take </b>
<font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span>
;<br/>

<b>thus </b><a NAME="E2:3_1_1"/>
( <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V9">strict</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V13">comp-preserving</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V14">comp-reversing</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V10">Covariant</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V11">Contravariant</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V8">feasible</a> &amp; <font color="Maroon">c<sub>1</sub></font> <a href="functor0.html#K9">--&gt;</a> <span class="p1">(<span class="default"><a href="altcat_1.html#K8">idm</a> <font color="Maroon">c<sub>3</sub></font></span>)</span> is <a href="functor0.html#V12">id-preserving</a> )
 ;<br/>


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