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<b>let </b><font color="Maroon">K</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="lattices.html#L3">LattStr</a> , <font color="Maroon">L</font> be  non <a href="struct_0.html#V3">empty</a>  <a href="lattices.html#L3">LattStr</a> ;<br/>

<b>assume </b><a NAME="E1:44"/><i><font color="Green">E22</font></i>: 
(  <a href="lattices.html#G3">LattStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">K</font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">K</font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">K</font> #) <a href="hidden.html#R1">=</a>  <a href="lattices.html#G3">LattStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">L</font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">L</font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">L</font> #) &amp; <font color="Maroon">K</font> is <a href="lattices.html#V8">meet-absorbing</a> )
 ;<br/>

<a NAME="E2:44"/>
<font color="Maroon">L</font> is <a href="lattices.html#V8">meet-absorbing</a>
 
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="44_1"><b>proof </b></a><div class="add">

<b>let </b><font color="Maroon">x</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>, <font color="Maroon">y</font> be   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">L</font>; <i><font color="Red">:: according to </font></i><a class="ref" href="lattices.html#D8">LATTICES:def 8</a><br/>

<b>reconsider </b><font color="Maroon">x'</font> = <font color="Maroon">x</font>, <font color="Maroon">y'</font> = <font color="Maroon">y</font> as   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font> <b>by </b><i><a class="ref" href="robbins3.html#D3" target="_self">Def3</a></i>;<br/>
<a NAME="E2:44_1"/><i><font color="Green">E23</font></i>: 
<span class="p1">(<span class="default"><font color="Maroon">x'</font> <a href="lattices.html#K2">"/\"</a> <font color="Maroon">y'</font></span>)</span> <a href="lattices.html#K1">"\/"</a> <font color="Maroon">y'</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y'</font>
 
<b>by </b><i><a class="ref" href="robbins3.html#D3" target="_self">Def3</a>, <a class="ref" href="lattices.html#D8">LATTICES:def 8</a></i>;<br/>
<a NAME="E3:44_1"/>
<span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="lattices.html#K2">"/\"</a> <font color="Maroon">y</font></span>)</span> <a href="robbins3.html#NK1" target="_self">|_|</a> <font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y</font>
 
<b>by </b><i><a class="ref" href="robbins3.html#D3" target="_self">Def3</a>, <a class="ref" href="robbins3.html#T1" target="_self">Th1</a></i>;<br/>
<b>hence </b><a NAME="E4:44_1"/>
<span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="robbins3.html#NK2" target="_self">|^|</a> <font color="Maroon">y</font></span>)</span> <a href="robbins3.html#NK1" target="_self">|_|</a> <font color="Maroon">y</font> <a href="hidden.html#R1">=</a> <font color="Maroon">y</font>
 ;<br/>


</div><b>end;</b></div>
<b>hence </b><a NAME="E3:44"/>
<font color="Maroon">L</font> is <a href="lattices.html#V8">meet-absorbing</a>
 ;<br/>


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