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<a NAME="E1:20_1_1"/>
 <a href="pre_topc.html#G1" target="_self">TopStruct</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">T</font>,the <a href="pre_topc.html#U1" target="_self">topology</a> of <font color="Maroon">T</font> #) is    <a href="pre_topc.html#M1" target="_self">SubSpace</a> of <font color="Maroon">T</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E2:20_1_1"/>
 ex <font color="Olive">b<sub>1</sub></font> being   <a href="pre_topc.html#M1" target="_self">SubSpace</a> of <font color="Maroon">T</font> st <font color="Olive">b<sub>1</sub></font> is <a href="pre_topc.html#V1" target="_self">strict</a>
 ;<br/>


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