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<b>consider </b><font color="Maroon" title="c1">R</font> being   <a href="binop_1.html#NM2" title="BINOP_1:NM.2">BinOp</a> of <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">0</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>, <font color="Maroon" title="c2">T</font> being   <a href="setfam_1.html#NM1" title="SETFAM_1:NM.1">Subset-Family</a> of <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">0</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>;<br/>
<b>take </b>
 <a href="topgrp_1.html#G1" title="TOPGRP_1:aggr.1">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">0</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>,<font color="Maroon" title="c1">R</font>,<font color="Maroon" title="c2">T</font> #)
;<br/>

<b>thus </b><a NAME="E2:67_1_1"/>
(  <a href="topgrp_1.html#G1" title="TOPGRP_1:aggr.1">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">0</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>,<font color="Maroon" title="c1">R</font>,<font color="Maroon" title="c2">T</font> #) is <a href="topgrp_1.html#V2" title="TOPGRP_1:attr.2">strict</a> &amp; not  <a href="topgrp_1.html#G1" title="TOPGRP_1:aggr.1">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default">0</span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span>,<font color="Maroon" title="c1">R</font>,<font color="Maroon" title="c2">T</font> #) is <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a> )
 ;<br/>


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