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<b>let </b><font color="Maroon">J</font> be    <a href="yellow_6.html#M3" target="_self">net_set</a> of the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">Y</font>,<font color="Maroon">T</font>;<br/><b>let </b><font color="Maroon">i</font> be    <a href="hidden.html#M1">set</a> ; <i><font color="Red">:: according to </font></i><a class="ref" href="yellow_6.html#D4" target="_self">YELLOW_6:def 4</a><br/>



<b>assume </b><a NAME="E1:77_1_1"/>
<font color="Maroon">i</font> <a href="hidden.html#R2">in</a>  <a href="relat_1.html#K2">rng</a> <font color="Maroon">J</font>
 ;<br/>

<b>hence </b><a NAME="E2:77_1_1"/>
<font color="Maroon">i</font> is  non <a href="struct_0.html#V3">empty</a>  <a href="struct_0.html#L1">1-sorted</a> 
 <b>by </b><i/>;<br/>


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