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<a NAME="E1:53_1_1"/>
<font color="Maroon">c<sub>6</sub></font> is    <a href="connsp_2.html#M2">a_neighborhood</a> of <span class="p1"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>4</sub></font></span><a href="domain_1.html#K6">}</a></span>
 
<b>by </b><i><a class="ref" href="connsp_2.html#T10">CONNSP_2:10</a></i>;<br/>
<b>hence </b><a NAME="E2:53_1_1"/>
<span class="p1"><a href="borsuk_1.html#K6" target="_self">[:</a><span class="default"><font color="Maroon">c<sub>5</sub></font>,<font color="Maroon">c<sub>6</sub></font></span><a href="borsuk_1.html#K6" target="_self">:]</a></span> is    <a href="connsp_2.html#M2">a_neighborhood</a> of <span class="p1"><a href="borsuk_1.html#K6" target="_self">[:</a><span class="default"><font color="Maroon">c<sub>3</sub></font>,<span class="p2"><a href="domain_1.html#K6">{</a><span class="default"><font color="Maroon">c<sub>4</sub></font></span><a href="domain_1.html#K6">}</a></span></span><a href="borsuk_1.html#K6" target="_self">:]</a></span>
 <b>by </b><i><a class="ref" href="borsuk_1.html#T49" target="_self">Th49</a></i>;<br/>


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