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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E12">Th19</font></span>: <a NAME="T19"><span class="comment"><font color="firebrick">:: DIRAF:19</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">S</font> being   <a href="analoaf.html#NM1" title="ANALOAF:NM.1">OAffinSpace</a><br/>  for <font color="Olive" title="b2">x</font>, <font color="Olive" title="b3">y</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">S</font> holds <br/> ( <font color="Olive" title="b2">x</font>,<font color="Olive" title="b3">y</font> <a href="diraf.html#R2" title="DIRAF:pred.2">'||'</a> <font color="Olive" title="b3">y</font>,<font color="Olive" title="b2">x</font> &amp; <font color="Olive" title="b2">x</font>,<font color="Olive" title="b3">y</font> <a href="diraf.html#R2" title="DIRAF:pred.2">'||'</a> <font color="Olive" title="b2">x</font>,<font color="Olive" title="b3">y</font> ) <span class="kw">by</span> <span class="lab"><a class="ref" href="diraf.html#T1" target="_self" onmouseover="rs('diraf/T1')" onmouseout="rh()">Th1</a></span>;<br/></div></div>
