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<b>thus </b><a NAME="E1:202_1_1"/>
for <font color="Olive" title="b1">x</font> being  <a href="nat_1.html#NM1" title="NAT_1:NM.1">Nat</a> holds  <span class="p1">(<span class="default"><a href="lexbfs.html#K26" title="LEXBFS:func.26">MCS:CSeq</a> <font color="Maroon" title="c1">G</font></span>)</span> <a href="lexbfs.html#K9" title="LEXBFS:func.9">.</a> <font color="Olive" title="b1">x</font> is <a href="chord.html#V6" title="CHORD:attr.6">chordal</a>
 ; <i><font color="Red">:: according to </font></i><a class="ref" href="lexbfs.html#D18" target="_self" title="LEXBFS:def.18">LEXBFS:def 18</a><br/>


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