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<a NAME="E1:16_1_1"/>
 <a href="waybel_4.html#K2" title="WAYBEL_4:func.2">IntRel</a> <font color="Maroon" title="c1">L</font> is  <a href="waybel_4.html#V5" title="WAYBEL_4:attr.5">auxiliary</a> <a href="alg_1.html#NM1" title="ALG_1:NM.1">Relation</a> of <font color="Maroon" title="c1">L</font>
 
;<br/>
<b>hence </b><a NAME="E2:16_1_1"/>
not  <a href="waybel_4.html#K3" title="WAYBEL_4:func.3">Aux</a> <font color="Maroon" title="c1">L</font> is <a href="xboole_0.html#V1" title="XBOOLE_0:attr.1">empty</a>
 <b>by </b><i><a class="ref" href="waybel_4.html#D9" target="_self" title="WAYBEL_4:def.9">Def9</a></i>;<br/>


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