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<b>thus </b><a NAME="E1:8_1_1"/>
 <a href="struct_0.html#K2" title="STRUCT_0:func.2">[#]</a> <span class="p1">(<span class="default"><a href="brouwer.html#K2" title="BROUWER:func.2">Tdisk</a> <font color="Maroon" title="c3">x</font>,<font color="Maroon" title="c4">r</font></span>)</span> is  <a href="jordan1.html#V1" title="JORDAN1:attr.1">convex</a> <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <span class="p1">(<span class="default"><a href="euclid.html#K15" title="EUCLID:func.15">TOP-REAL</a> <font color="Maroon" title="c2">n</font></span>)</span>
 <b>by </b><i><a class="ref" href="brouwer.html#T3" target="_self" title="BROUWER:th.3">Th3</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="topalg_2.html#D1" title="TOPALG_2:def.1">TOPALG_2:def 1</a><br/>


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