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<b>consider </b><font color="Maroon">c<sub>3</sub></font> being  <a href="waybel_0.html#V18">sups-preserving</a> <a href="struct_0.html#NM7">Function</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>;<br/>
<b>take </b>
<font color="Maroon">c<sub>3</sub></font>
;<br/>

<b>thus </b><a NAME="E2:97_1_1"/>
<font color="Maroon">c<sub>3</sub></font> is <a href="waybel_0.html#V18">sups-preserving</a>
 ;<br/>


</div>
