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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E65">Th57</font></span>: <a NAME="T57"><span class="comment"><font color="firebrick">:: SPPOL_2:57</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">P</font> being   <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> 2</span>)</span>  st <font color="Olive" title="b1">P</font> is  <a href="topreal1.html#V5" title="TOPREAL1:attr.5">being_S-P_arc</a>  holds <br/><font color="Olive" title="b1">P</font> is  <a href="compts_1.html#V2" title="COMPTS_1:attr.2">compact</a> </div></div>
