<?xml version="1.0"?>
<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E27">Th23</font></span>: <a NAME="T23"><span class="comment"><font color="firebrick">:: OPENLATT:23</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   <a href="lattices.html#NM2" title="LATTICES:NM.2">D_Lattice</a> holds   <a href="lattices.html#G3" title="LATTICES:aggr.3">LattStr</a>(# <span class="p1">(<span class="default"><a href="openlatt.html#K9" title="OPENLATT:func.9">StoneS</a> <font color="Olive" title="b1">L</font></span>)</span>,<span class="p1">(<span class="default"><a href="openlatt.html#K13" title="OPENLATT:func.13">Set_Union</a> <font color="Olive" title="b1">L</font></span>)</span>,<span class="p1">(<span class="default"><a href="openlatt.html#K14" title="OPENLATT:func.14">Set_Meet</a> <font color="Olive" title="b1">L</font></span>)</span> #) is   <a href="lattices.html#NM1" title="LATTICES:NM.1">Lattice</a></div></div>
