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<b>consider </b><font color="Maroon">R</font> being   <a href="binop_1.html#NM2">BinOp</a> of <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>;<br/>
<b>take </b>
 <a href="topgrp_1.html#G1" target="_self">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>,<font color="Maroon">R</font>,<span class="p1">(<span class="default"><a href="pcomps_1.html#K1">bool</a> <span class="p2"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span></span>)</span> #)
;<br/>

<a NAME="E2:69_1_1"/>
 <a href="compts_1.html#K1">1TopSp</a> <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span> <a href="hidden.html#R1">=</a>  <a href="pre_topc.html#G1">TopStruct</a>(# <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>,<span class="p1">(<span class="default"><a href="pcomps_1.html#K1">bool</a> <span class="p2"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span></span>)</span> #)
 
;<br/>
<b>hence </b><a NAME="E3:69_1_1"/>
(  <a href="topgrp_1.html#G1" target="_self">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>,<font color="Maroon">R</font>,<span class="p1">(<span class="default"><a href="pcomps_1.html#K1">bool</a> <span class="p2"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span></span>)</span> #) is <a href="topgrp_1.html#V2" target="_self">strict</a> &amp;  <a href="topgrp_1.html#G1" target="_self">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>,<font color="Maroon">R</font>,<span class="p1">(<span class="default"><a href="pcomps_1.html#K1">bool</a> <span class="p2"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span></span>)</span> #) is <a href="pre_topc.html#V2">TopSpace-like</a> &amp;  <a href="topgrp_1.html#G1" target="_self">TopGrStr</a>(# <span class="p1"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span>,<font color="Maroon">R</font>,<span class="p1">(<span class="default"><a href="pcomps_1.html#K1">bool</a> <span class="p2"><a href="tarski.html#K1">{</a><span class="default">0</span><a href="tarski.html#K1">}</a></span></span>)</span> #) is <a href="realset2.html#V3">trivial</a> )
 <b>by </b><i><a class="ref" href="tex_2.html#T12">TEX_2:12</a></i>;<br/>


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