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<a NAME="E1:68_1_1"/>
not  <a href="grcat_1.html#K16" title="GRCAT_1:func.16">Maps</a> <font color="Maroon" title="c1">G</font>,<font color="Maroon" title="c2">H</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 
;<br/>
<b>hence </b><a NAME="E2:68_1_1"/>
not for <font color="Olive">b<sub>1</sub></font> being   <a href="grcat_1.html#M5" title="GRCAT_1:mode.5">MapsSet</a> of <font color="Maroon" title="c1">G</font>,<font color="Maroon" title="c2">H</font> holds  <font color="Olive">b<sub>1</sub></font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 ;<br/>


</div>
