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<a NAME="E1:47_1_1"/>
 <a href="grcat_1.html#K7">id</a> <font color="Maroon">T</font> <a href="tops_2.html#NR1" target="_self">is_homeomorphism</a> 
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:47_1_1"/>
<font color="Maroon">T</font>,<font color="Maroon">T</font> <a href="t_0topsp.html#R1">are_homeomorphic</a> 
 <b>by </b><i><a class="ref" href="t_0topsp.html#D1">T_0TOPSP:def 1</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="topgrp_1.html#D3" target="_self">TOPGRP_1:def 3</a><br/>

<b>thus </b><a NAME="E3:47_1_1"/>
 <a href="grcat_1.html#K7">id</a> <font color="Maroon">T</font> <a href="tops_2.html#NR1" target="_self">is_homeomorphism</a> 
 <b>by </b><i/>;<br/>


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