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

<b>let </b><font color="Maroon">A</font> be    <a href="hidden.html#M1">set</a> ;<br/>

<b>thus </b><span class="p1">(<span class="default"><a href="funct_3.html#K12">delta</a> <font color="Maroon">A</font></span>)</span> <a href="funcop_1.html#K1" target="_self">~</a>  = 
<span class="p1"><a href="funct_3.html#K13">&lt;:</a><span class="default"><span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">A</font></span>)</span></span><a href="funct_3.html#K13">:&gt;</a></span> <a href="funcop_1.html#K1" target="_self">~</a> 
<b>by </b><i/>
<br/>.= 
<span class="p1"><a href="funct_3.html#K13">&lt;:</a><span class="default"><span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">A</font></span>)</span>,<span class="p2">(<span class="default"><a href="partfun1.html#K6">id</a> <font color="Maroon">A</font></span>)</span></span><a href="funct_3.html#K13">:&gt;</a></span>
<b>by </b><i/>
<br/>.= 
 <a href="funct_3.html#K12">delta</a> <font color="Maroon">A</font>
<b>by </b><i/>
;<br/>


</div>
