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

<b>take </b>
 <a href="oposet_1.html#K3" title="OPOSET_1:func.3">TrivOrthoRelStr</a> 
;<br/>

<b>thus </b><a NAME="E1:121_1_1"/>
(  <a href="oposet_1.html#K3" title="OPOSET_1:func.3">TrivOrthoRelStr</a>  is <a href="oposet_1.html#V19" title="OPOSET_1:attr.19">OrderInvolutive</a> &amp;  <a href="oposet_1.html#K3" title="OPOSET_1:func.3">TrivOrthoRelStr</a>  is <a href="oposet_1.html#V15" title="OPOSET_1:attr.15">Pure</a> &amp;  <a href="oposet_1.html#K3" title="OPOSET_1:func.3">TrivOrthoRelStr</a>  is <a href="oposet_1.html#V14" title="OPOSET_1:attr.14">PartialOrdered</a> )
 ;<br/>


</div>
