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<b>consider </b><font color="Maroon">c<sub>1</sub></font> being  <a href="osalg_1.html#V6" target="_self">op-discrete</a> <a href="osalg_1.html#NM3">OrderSortedSign</a>;<br/>
<b>take </b>
<font color="Maroon">c<sub>1</sub></font>
;<br/>

<b>thus </b><a NAME="E2:43_1_1"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="osalg_1.html#V10" target="_self">regular</a>
 <b>by </b><i><a class="ref" href="osalg_1.html#T12" target="_self">Th12</a></i>;<br/>


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