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<div>:: <span class="kw">deftheorem </span>   defines <a href="fintopo7.html#R2" title="FINTOPO7:pred.2">is_a_cluster_point_of</a> <a onclick="hs(this)" href="javascript:()">FINTOPO7:def 23 : <br/></a><span> for <font color="Olive" title="b1">ETV</font> being   <a href="fintopo7.html#NM1" title="FINTOPO7:NM.1">FMT_TopSpace</a><br/>  for <font color="Olive" title="b2">x</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">ETV</font><br/>  for <font color="Olive" title="b3">A</font> being   <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <font color="Olive" title="b1">ETV</font> holds <br/> ( <font color="Olive" title="b2">x</font> <a href="fintopo7.html#R2" title="FINTOPO7:pred.2">is_a_cluster_point_of</a> <font color="Olive" title="b3">A</font>,<font color="Olive" title="b1">ETV</font> iff  for <font color="Olive" title="b4">V</font> being    <a href="subset_1.html#M1" title="SUBSET_1:mode.1">Element</a> of  <a href="fintopo2.html#K6" title="FINTOPO2:func.6">U_FMT</a> <font color="Olive" title="b2">x</font>  holds <font color="Olive" title="b4">V</font> <a href="xboole_0.html#NR5" title="XBOOLE_0:NR.5">meets</a> <font color="Olive" title="b3">A</font> );<br/></span></div>
