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<b>consider </b><font color="Maroon">x</font> being    <a href="hidden.html#M1">set</a> <b> such that </b><br/><a NAME="E2:34_1_1"/><i><font color="Green">E33</font></i>: 
<font color="Maroon">x</font> <a href="hidden.html#R2">in</a> the <a href="msualg_1.html#U4">Sorts</a> of <font color="Maroon">A</font> <a href="funct_1.html#K1">.</a> <font color="Maroon">s1</font>
 <b>by </b><i><a class="ref" href="xboole_0.html#D1">XBOOLE_0:def 1</a></i>;<br/>
<a NAME="E3:34_1_1"/>
 <a href="eqrel_1.html#K7">Class</a> <span class="p1">(<span class="default"><a href="osalg_4.html#K5" target="_self">CompClass</a> <font color="Maroon">E</font>,<span class="p2">(<span class="default"><a href="osalg_4.html#K3" target="_self">CComp</a> <font color="Maroon">s1</font></span>)</span></span>)</span>,<font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="osalg_4.html#K6" target="_self">OSClass</a> <font color="Maroon">E</font>,<font color="Maroon">s1</font>
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E4:34_1_1"/>
not  <a href="osalg_4.html#K6" target="_self">OSClass</a> <font color="Maroon">E</font>,<font color="Maroon">s1</font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/>


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