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<b>let </b><font color="Maroon" title="c2">A</font> be   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Maroon" title="c1">T</font>;<br/>

<b>assume </b><a NAME="E1:70_1_1"/>
<font color="Maroon" title="c2">A</font> is <a href="isomichi.html#V1" title="ISOMICHI:attr.1">supercondensed</a>
 ;<br/>

<a NAME="E2:70_1_1"/><b>then </b>
 <a href="isomichi.html#K1" title="ISOMICHI:func.1">Border</a> <font color="Maroon" title="c2">A</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 
<b>by </b><i><a class="ref" href="isomichi.html#T25" target="_self" title="ISOMICHI:th.25">Th25</a></i>;<br/>
<b>hence </b><a NAME="E3:70_1_1"/>
<font color="Maroon" title="c2">A</font> is <a href="isomichi.html#V3" title="ISOMICHI:attr.3">1st_class</a>
 <b>by </b><i><a class="ref" href="isomichi.html#T47" target="_self" title="ISOMICHI:th.47">Th47</a></i>;<br/>


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