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<div><span class="kw">theorem </span><a NAME="T50"><span class="comment"><font color="firebrick">:: LATTICE2:50</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   <a href="lattices.html#NM1" title="LATTICES:NM.1">Lattice</a> holds <br/> ( <font color="Olive" title="b1">L</font> is   <a href="lattices.html#NM2" title="LATTICES:NM.2">D_Lattice</a> iff <font color="Olive" title="b1">L</font> <a href="lattice2.html#K1" title="LATTICE2:func.1">.:</a>  is   <a href="lattices.html#NM2" title="LATTICES:NM.2">D_Lattice</a> ) <span class="kw">by</span> <span class="lab"><a class="ref" href="lattice2.html#T22" target="_self" onmouseover="rs('lattice2/T22')" onmouseout="rh()">Th22</a>, <a class="ref" href="lattice2.html#T23" target="_self" onmouseover="rs('lattice2/T23')" onmouseout="rh()">Th23</a></span>;<br/></div></div>
