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<b>consider </b><font color="Maroon" title="c3">o</font> being   <a href="altcat_1.html#NM1" title="ALTCAT_1:NM.1">object</a> of <font color="Maroon" title="c2">C2</font>;<br/>
<b>consider </b><font color="Maroon" title="c4">m</font> being   <a href="altcat_1.html#NM2" title="ALTCAT_1:NM.2">Morphism</a> of <font color="Maroon" title="c3">o</font>,<font color="Maroon" title="c3">o</font>;<br/>
<b>take </b>
<font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> ( <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V8" title="FUNCTOR0:attr.8">feasible</a> &amp; <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V10" title="FUNCTOR0:attr.10">Covariant</a> &amp; <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V11" title="FUNCTOR0:attr.11">Contravariant</a> )</span><br/>

<b>thus </b><a NAME="E3:49_1_1"/>
( <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V8" title="FUNCTOR0:attr.8">feasible</a> &amp; <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V10" title="FUNCTOR0:attr.10">Covariant</a> &amp; <font color="Maroon" title="c1">C1</font> <a href="functor0.html#K9" title="FUNCTOR0:func.9">--&gt;</a> <font color="Maroon" title="c4">m</font> is <a href="functor0.html#V11" title="FUNCTOR0:attr.11">Contravariant</a> )
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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