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<div><b>hereby </b> <i><font color="Red">:: according to </font></i><a class="ref" href="waybel_0.html#D20">WAYBEL_0:def 20</a>
<div class="add"><b>let </b><font color="Maroon">c<sub>3</sub></font>, <font color="Maroon">c<sub>4</sub></font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>assume </b><a NAME="E1:19_2_1_1"/>
<font color="Maroon">c<sub>3</sub></font> <a href="hidden.html#R2">in</a>  <a href="waybel_3.html#K2" target="_self">wayabove</a> <font color="Maroon">c<sub>2</sub></font>
 ;<br/><a NAME="E2:19_2_1_1"/><b>then </b>
<font color="Maroon">c<sub>3</sub></font> <a href="waybel_3.html#NR3" target="_self">&gt;&gt;</a> <font color="Maroon">c<sub>2</sub></font>
 <b>by </b><i><a class="ref" href="waybel_3.html#T8" target="_self">Th8</a></i>;<br/><a NAME="E3:19_2_1_1"/><b>then </b>
( <font color="Maroon">c<sub>4</sub></font> <a href="orders_2.html#NR2" target="_self">&gt;=</a> <font color="Maroon">c<sub>3</sub></font> implies <font color="Maroon">c<sub>4</sub></font> <a href="waybel_3.html#NR3" target="_self">&gt;&gt;</a> <font color="Maroon">c<sub>2</sub></font> )
 <b>by </b><i><a class="ref" href="waybel_3.html#T2" target="_self">Th2</a></i>;<br/><b>hence </b><a NAME="E4:19_2_1_1"/>
( <font color="Maroon">c<sub>4</sub></font> <a href="orders_2.html#NR2" target="_self">&gt;=</a> <font color="Maroon">c<sub>3</sub></font> implies <font color="Maroon">c<sub>4</sub></font> <a href="hidden.html#R2">in</a>  <a href="waybel_3.html#K2" target="_self">wayabove</a> <font color="Maroon">c<sub>2</sub></font> )
 ;<br/></div>
<b>end;</b></div>


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