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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E25">Th52</font></span>: <a NAME="T52"><span class="comment"><font color="firebrick">:: FILTER_2:52</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#NM7" title="LATTICES:NM.7">C_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#NM7" title="LATTICES:NM.7">C_Lattice</a> )</div></div>
