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<b>let </b><font color="Maroon">S</font> be    <a href="pre_topc.html#L1">TopStruct</a> ;<br/>

<a NAME="E1:5"/>
the <a href="pre_topc.html#U1">topology</a> of <font color="Maroon">S</font> <a href="tarski.html#R1">c=</a>  <a href="cantor_1.html#K1" target="_self">UniCl</a> the <a href="pre_topc.html#U1">topology</a> of <font color="Maroon">S</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:5"/>
the <a href="pre_topc.html#U1">topology</a> of <font color="Maroon">S</font> is    <a href="cantor_1.html#M1" target="_self">Basis</a> of <font color="Maroon">S</font>
 <b>by </b><i/>;<br/>


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