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<a NAME="E1:39_1_1"/>
<span class="p1"><a href="altcat_1.html#K1">&lt;^</a><span class="default"><font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>2</sub></font></span><a href="altcat_1.html#K1">^&gt;</a></span> <a href="hidden.html#NR2" target="_self">&lt;&gt;</a>  <a href="xboole_0.html#K1">{}</a> 
 
<b>by </b><i><a class="ref" href="altcat_1.html#T23">ALTCAT_1:23</a></i>;<br/>
<b>hence </b><a NAME="E2:39_1_1"/>
<font color="Maroon">c<sub>3</sub></font> <a href="altcat_1.html#K5">*</a> <font color="Maroon">c<sub>4</sub></font> is <a href="altcat_3.html#V3" target="_self">iso</a>
 <b>by </b><i><a class="ref" href="altcat_3.html#T7" target="_self">Th7</a></i>;<br/>


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