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<a NAME="E1:75_1_1"/>
the    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c1">F</font> <a href="xxreal_3.html#K1" title="XXREAL_3:func.1">+</a> the    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of <font color="Maroon" title="c2">G</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a> <font color="Maroon" title="c1">F</font> <a href="member_1.html#K5" title="MEMBER_1:func.5">++</a> <font color="Maroon" title="c2">G</font>
 
<b>by </b><i><a class="ref" href="member_1.html#T45" target="_self" title="MEMBER_1:th.45">Th45</a></i>;<br/>
<b>hence </b><a NAME="E2:75_1_1"/>
not <font color="Maroon" title="c1">F</font> <a href="member_1.html#K5" title="MEMBER_1:func.5">++</a> <font color="Maroon" title="c2">G</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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