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<b>let </b><font color="Maroon">c<sub>3</sub></font> be    <a href="functor0.html#M2" target="_self">Functor</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>;<br/>

<b>assume </b><a NAME="E1:117_1_1"/>
<font color="Maroon">c<sub>3</sub></font> is <a href="functor0.html#V15" target="_self">covariant</a>
 ;<br/>

<b>then reconsider </b><font color="Maroon">c<sub>4</sub></font> = <font color="Maroon">c<sub>3</sub></font> as  <a href="functor0.html#V10" target="_self">Covariant</a>  <a href="functor0.html#L2" target="_self">FunctorStr</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font> <b>by </b><i><a class="ref" href="functor0.html#D27" target="_self">Def27</a></i>;<br/>
<a NAME="E3:117_1_1"/>
<font color="Maroon">c<sub>4</sub></font> is <a href="functor0.html#V6" target="_self">reflexive</a>
 
;<br/>
<b>hence </b><a NAME="E4:117_1_1"/>
<font color="Maroon">c<sub>3</sub></font> is <a href="functor0.html#V6" target="_self">reflexive</a>
 ;<br/>


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