<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T28"><span class="comment"><font color="firebrick">:: INCSP_1:28</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">S</font> being   <a href="incsp_1.html#NM4" title="INCSP_1:NM.4">IncSpace</a><br/>  for <font color="Olive" title="b2">A</font>, <font color="Olive" title="b3">B</font> being   <a href="incsp_1.html#NM1" title="INCSP_1:NM.1">POINT</a> of <font color="Olive" title="b1">S</font>  st <font color="Olive" title="b2">A</font> <a href="hidden.html#NR2" title="HIDDEN:NR.2">&lt;&gt;</a> <font color="Olive" title="b3">B</font> holds <br/> <a href="incsp_1.html#K1" title="INCSP_1:func.1">Line</a> (<font color="Olive" title="b2">A</font>,<font color="Olive" title="b3">B</font>) <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="incsp_1.html#K1" title="INCSP_1:func.1">Line</a> (<font color="Olive" title="b3">B</font>,<font color="Olive" title="b2">A</font>)</div></div>
