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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E18">Th4</font></span>: <a NAME="T18"><span class="comment"><font color="firebrick">:: LATSTONE:18</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   <a href="lattices.html#V17" title="LATTICES:attr.17">Boolean</a>  <a href="lattices.html#NM1" title="LATTICES:NM.1">Lattice</a> holds  <font color="Olive" title="b1">L</font> is  <a href="latstone.html#V2" title="LATSTONE:attr.2">satisfying_Stone_identity</a> </div></div>
