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<b>consider </b><font color="Maroon">c<sub>2</sub></font> being   <a href="pre_topc.html#NM2">Point</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>
<b>take </b>
 <a href="tex_2.html#K1" target="_self">Sspace</a> <font color="Maroon">c<sub>2</sub></font>
;<br/>

<b>thus </b><a NAME="E2:43_1_1"/>
(  <a href="tex_2.html#K1" target="_self">Sspace</a> <font color="Maroon">c<sub>2</sub></font> is <a href="realset2.html#V3">trivial</a> &amp;  <a href="tex_2.html#K1" target="_self">Sspace</a> <font color="Maroon">c<sub>2</sub></font> is <a href="pre_topc.html#V1">strict</a> &amp; not  <a href="tex_2.html#K1" target="_self">Sspace</a> <font color="Maroon">c<sub>2</sub></font> is <a href="struct_0.html#V3">empty</a> )
 <b>by </b><i><a class="txt" href="tex_2.html#E25"><i><font color="Green">Lemma14</font></i></a></i>;<br/>


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