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

<b>let </b><font color="Maroon" title="c3">A</font> be   <a href="cat_1.html#NM4" title="CAT_1:NM.4">Category</a>;<br/>

<b>take </b>
 <a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font>
;<br/>

<b>take </b>
 <a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font>
;<br/>

<b>thus </b><a NAME="E1:55_1_1"/>
( <span class="p1">(<span class="default"><a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font></span>)</span> <a href="cat_1.html#K14" title="CAT_1:func.14">*</a> <span class="p1">(<span class="default"><a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font></span>)</span> <a href="nattra_1.html#NR4" title="NATTRA_1:NR.4">~=</a>  <a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font> &amp; <span class="p1">(<span class="default"><a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font></span>)</span> <a href="cat_1.html#K14" title="CAT_1:func.14">*</a> <span class="p1">(<span class="default"><a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font></span>)</span> <a href="nattra_1.html#NR4" title="NATTRA_1:NR.4">~=</a>  <a href="cat_1.html#K15" title="CAT_1:func.15">id</a> <font color="Maroon" title="c3">A</font> )
 <b>by </b><i><a class="txt" href="isocat_1.html#E4"><i><font color="Green" title="E4">Lm1</font></i></a></i>;<br/>


</div>
