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<b>take </b>
<span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default">0,1</span><a href="rcomp_1.html#K2">.[</a></span>
;<br/>

<b>thus </b><a NAME="E1:10_1_1"/>
( <span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default">0,1</span><a href="rcomp_1.html#K2">.[</a></span> is <a href="rcomp_1.html#V3">open</a> &amp; <span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default">0,1</span><a href="rcomp_1.html#K2">.[</a></span> is <a href="seq_4.html#V3">bounded</a> &amp; <span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default">0,1</span><a href="rcomp_1.html#K2">.[</a></span> is <a href="jct_misc.html#V1">connected</a> &amp; not <span class="p1"><a href="rcomp_1.html#K2">].</a><span class="default">0,1</span><a href="rcomp_1.html#K2">.[</a></span> is <a href="xboole_0.html#V1">empty</a> )
 ;<br/>


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