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<b>let </b><font color="Maroon">S</font> be    <a href="yellow_0.html#M1">SubRelStr</a> of <font color="Maroon">L</font>;<br/>

<b>assume </b><a NAME="E1:34_1_1"/><i><font color="Green">E31</font></i>: 
<font color="Maroon">S</font> is <a href="yellow_0.html#V7">closure</a>
 ;<br/>

<b>consider </b><font color="Maroon">X</font> being   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">S</font>;<br/>
<a NAME="E3:34_1_1"/>
 <a href="yellow_0.html#R2">ex_inf_of</a> <font color="Maroon">X</font>,<font color="Maroon">L</font>
 
<b>by </b><i><a class="ref" href="yellow_0.html#T17">YELLOW_0:17</a></i>;<br/>
<a NAME="E4:34_1_1"/><b>then </b>
 <a href="yellow_0.html#K2">"/\"</a> <font color="Maroon">X</font>,<font color="Maroon">L</font> <a href="hidden.html#R2">in</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">S</font>
 
<b>by </b><i>, <a class="ref" href="yellow_0.html#D18">YELLOW_0:def 18</a></i>;<br/>
<b>hence </b><a NAME="E5:34_1_1"/>
not <font color="Maroon">S</font> is <a href="struct_0.html#V3">empty</a>
 <b>by </b><i><a class="ref" href="struct_0.html#D1">STRUCT_0:def 1</a></i>;<br/>


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