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<a NAME="E1:9_1_1"/>
<span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>8</sub></font> <a href="xcmplx_0.html#K2">+</a> 0</span>)</span>,<span class="p2">(<span class="default"><font color="Maroon">c<sub>9</sub></font> <a href="xcmplx_0.html#K2">+</a> 0</span>)</span></span><a href="rcomp_1.html#K2">.[</a></span> <a href="hidden.html#R2">in</a>  <a href="toprealb.html#K1" target="_self">IntIntervals</a> <font color="Maroon">c<sub>8</sub></font>,<font color="Maroon">c<sub>9</sub></font>
 
<b>by </b><i><a class="txt" href="toprealb.html#E1"><i><font color="Green">Lemma1</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:9_1_1"/>
not  <a href="toprealb.html#K1" target="_self">IntIntervals</a> <font color="Maroon">c<sub>8</sub></font>,<font color="Maroon">c<sub>9</sub></font> is <a href="xboole_0.html#V1">empty</a>
 ;<br/>


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