<?xml version="1.0"?>
<div class="add">

<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="nat_1.html#NM1">Nat</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be    <a href="hidden.html#M1">set</a> ;<br/>



<b>reconsider </b><font color="Maroon">c<sub>3</sub></font> = <font color="Maroon">c<sub>1</sub></font> <a href="funcop_1.html#K2">--&gt;</a> <font color="Maroon">c<sub>2</sub></font> as   <a href="funct_1.html#NM1">Function</a> ;<br/>
<a NAME="E2:6"/>
 <a href="relat_1.html#K1">dom</a> <font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R1">=</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="funcop_1.html#T19">FUNCOP_1:19</a></i>;<br/>
<b>hence </b><a NAME="E3:6"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funcop_1.html#K2">--&gt;</a> <font color="Maroon">c<sub>2</sub></font> is   <a href="afinsq_1.html#NM1">XFinSequence</a>
 <b>by </b><i><a class="ref" href="afinsq_1.html#T7">AFINSQ_1:7</a></i>;<br/>


</div>
