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<div><span class="kw">theorem </span><a NAME="T14"><span class="comment"><font color="firebrick">:: YELLOW_3:14</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font>, <font color="Olive" title="b2">Y</font> being    <a href="orders_2.html#L1" title="ORDERS_2:struct.1">RelStr</a>   st  not <span class="p1"><a href="yellow_3.html#K3" title="YELLOW_3:func.3">[:</a><span class="default"><font color="Olive" title="b1">X</font>,<font color="Olive" title="b2">Y</font></span><a href="yellow_3.html#K3" title="YELLOW_3:func.3">:]</a></span> is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  holds <br/>(  not <font color="Olive" title="b1">X</font> is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  &amp;  not <font color="Olive" title="b2">Y</font> is  <a href="struct_0.html#V2" title="STRUCT_0:attr.2">empty</a>  )</div></div>
