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<b>take </b>
 <a href="closure2.html#K2" title="CLOSURE2:func.2">Bool</a> <font color="Maroon" title="c2">M</font>
;<br/>

<b>thus </b><a NAME="E1:12_1_1"/>
( not  <a href="closure2.html#K2" title="CLOSURE2:func.2">Bool</a> <font color="Maroon" title="c2">M</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a> &amp;  <a href="closure2.html#K2" title="CLOSURE2:func.2">Bool</a> <font color="Maroon" title="c2">M</font> is <a href="fraenkel.html#V1" title="FRAENKEL:attr.1">functional</a> &amp;  <a href="closure2.html#K2" title="CLOSURE2:func.2">Bool</a> <font color="Maroon" title="c2">M</font> is <a href="pralg_2.html#V1" title="PRALG_2:attr.1">with_common_domain</a> )
 ;<br/>


</div>
