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<b>let </b><font color="Maroon">x</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><font color="Maroon">N</font> <a href="waybel_9.html#K5" target="_self">|</a> <font color="Maroon">i</font></span>)</span>, <font color="Maroon">y</font> be   <a href="struct_0.html#NM1">Element</a> of <span class="p1">(<span class="default"><font color="Maroon">N</font> <a href="waybel_9.html#K5" target="_self">|</a> <font color="Maroon">i</font></span>)</span>; <i><font color="Red">:: according to </font></i><a class="ref" href="yellow_0.html#D3">YELLOW_0:def 3</a><br/>

<b>assume </b><a NAME="E1:47_1_1"/><i><font color="Green">E33</font></i>: 
( <font color="Maroon">x</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">y</font> &amp; <font color="Maroon">y</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">x</font> )
 ;<br/>

<a NAME="E2:47_1_1"/><i><font color="Green">E34</font></i>: 
<font color="Maroon">N</font> <a href="waybel_9.html#K5" target="_self">|</a> <font color="Maroon">i</font> is    <a href="yellow_6.html#M1">SubNetStr</a> of <font color="Maroon">N</font>
 
<b>by </b><i/>;<br/>
<b>consider </b><font color="Maroon">x1</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">N</font><b> such that </b><br/><a NAME="E4:47_1_1"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">x1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">x</font>
 <b>and </b><br/><a NAME="E5:47_1_1"/>
<font color="Maroon">i</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">x1</font>
 <b>by </b><i/>;<br/>
<b>consider </b><font color="Maroon">y1</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">N</font><b> such that </b><br/><a NAME="E7:47_1_1"/><i><font color="Green">E36</font></i>: 
<font color="Maroon">y1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y</font>
 <b>and </b><br/><a NAME="E8:47_1_1"/>
<font color="Maroon">i</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">y1</font>
 <b>by </b><i/>;<br/>
<a NAME="E9:47_1_1"/>
( <font color="Maroon">x1</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">y1</font> &amp; <font color="Maroon">y1</font> <a href="orders_2.html#R3">&lt;=</a> <font color="Maroon">x1</font> )
 
<b>by </b><i>, , , <a class="ref" href="waybel_9.html#D1" target="_self">Def1</a>, <a class="ref" href="yellow_6.html#T20">YELLOW_6:20</a></i>;<br/>
<b>hence </b><a NAME="E10:47_1_1"/>
<font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y</font>
 <b>by </b><i>, <a class="ref" href="waybel_9.html#D1" target="_self">Def1</a>, <a class="ref" href="yellow_0.html#D3">YELLOW_0:def 3</a></i>;<br/>


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