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<b>let </b><font color="Maroon">L</font> be  non <a href="struct_0.html#V3">empty</a> <a href="orders_2.html#V2">reflexive</a>  <a href="orders_2.html#L1">RelStr</a> ;<br/><b>let </b><font color="Maroon">x</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>, <font color="Maroon">y</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>;<br/>



<a NAME="E1:13"/>
( <font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="waybel_3.html#K2" target="_self">wayabove</a> <font color="Maroon">y</font> iff  ex <font color="Olive">z</font> being  <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font> st <br/>( <font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <font color="Olive">z</font> &amp; <font color="Olive">z</font> <a href="waybel_3.html#NR3" target="_self">&gt;&gt;</a> <font color="Maroon">y</font> ) )
 
;<br/>
<b>hence </b><a NAME="E2:13"/>
( <font color="Maroon">x</font> <a href="hidden.html#R2">in</a>  <a href="waybel_3.html#K2" target="_self">wayabove</a> <font color="Maroon">y</font> iff <font color="Maroon">x</font> <a href="waybel_3.html#NR3" target="_self">&gt;&gt;</a> <font color="Maroon">y</font> )
 ;<br/>


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