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<div><span class="kw">theorem </span><a NAME="T15"><span class="comment"><font color="firebrick">:: BOOLEALG:15</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   <a href="lattices.html#NM4" title="LATTICES:NM.4">0_Lattice</a><br/>  for <font color="Olive" title="b2">X</font>, <font color="Olive" title="b3">Y</font>, <font color="Olive" title="b4">Z</font> being   <a href="struct_0.html#NM1" title="STRUCT_0:NM.1">Element</a> of <font color="Olive" title="b1">L</font>  st <font color="Olive" title="b2">X</font> <a href="boolealg.html#R3" title="BOOLEALG:pred.3">meets</a> <font color="Olive" title="b3">Y</font> <a href="boolealg.html#K1" title="BOOLEALG:func.1">\</a> <font color="Olive" title="b4">Z</font> holds <br/><font color="Olive" title="b2">X</font> <a href="boolealg.html#R3" title="BOOLEALG:pred.3">meets</a> <font color="Olive" title="b3">Y</font></div></div>
