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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E37">Th43</font></span>: <a NAME="T43"><span class="comment"><font color="firebrick">:: TOPGEN_5:43</font></span><br/></a><div class="add"> <a href="numbers.html#K3" title="NUMBERS:func.3">RAT</a>  is   <a href="tops_1.html#V1" title="TOPS_1:attr.1">dense</a>  <a href="struct_0.html#NM2" title="STRUCT_0:NM.2">Subset</a> of <a href="topgen_3.html#K2" title="TOPGEN_3:func.2">Sorgenfrey-line</a></div></div>
