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<b>consider </b><font color="Maroon" title="c3">f</font> being  <a href="functor0.html#V2" title="FUNCTOR0:attr.2">Contravariant</a> <a href="functor0.html#NM1" title="FUNCTOR0:NM.1">bifunction</a> of the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c1">C1</font>,the <a href="struct_0.html#U1" title="STRUCT_0:sel.1">carrier</a> of <font color="Maroon" title="c2">C2</font>;<br/>
<b>consider </b><font color="Maroon" title="c4">M</font> being    <a href="functor0.html#M1" title="FUNCTOR0:mode.1">MSUnTrans</a> of <font color="Maroon" title="c3">f</font>,the <a href="altcat_1.html#U1" title="ALTCAT_1:sel.1">Arrows</a> of <font color="Maroon" title="c1">C1</font>,the <a href="altcat_1.html#U1" title="ALTCAT_1:sel.1">Arrows</a> of <font color="Maroon" title="c2">C2</font>;<br/>
<b>take </b><font color="Maroon" title="c5">F</font> =  <a href="functor0.html#G2" title="FUNCTOR0:aggr.2">FunctorStr</a>(# <font color="Maroon" title="c3">f</font>,<font color="Maroon" title="c4">M</font> #);<br/>

<b>thus </b><a NAME="E3:39_2_1"/>
the <a href="functor0.html#U1" title="FUNCTOR0:sel.1">ObjectMap</a> of <font color="Maroon" title="c5">F</font> is <a href="functor0.html#V2" title="FUNCTOR0:attr.2">Contravariant</a>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="functor0.html#D14" target="_self" title="FUNCTOR0:def.14">FUNCTOR0:def 14</a><br/>


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