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<b>let </b><font color="Maroon">c<sub>2</sub></font> be    <a href="robbins3.html#M3" target="_self">CLatAugmentation</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>

<a NAME="E1:76_1_1"/>
 <a href="robbins1.html#G3">OrthoLattStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="robbins1.html#U1">Compl</a> of <font color="Maroon">c<sub>1</sub></font> #) <a href="hidden.html#R1">=</a>  <a href="robbins1.html#G3">OrthoLattStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>2</sub></font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">c<sub>2</sub></font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">c<sub>2</sub></font>,the <a href="robbins1.html#U1">Compl</a> of <font color="Maroon">c<sub>2</sub></font> #)
 
<b>by </b><i><a class="ref" href="robbins3.html#D12" target="_self">Def12</a></i>;<br/>
<a NAME="E2:76_1_1"/><b>then </b>
 <a href="lattices.html#G3">LattStr</a>(# the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">c<sub>1</sub></font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">c<sub>1</sub></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">c<sub>2</sub></font>,the <a href="lattices.html#U2">L_join</a> of <font color="Maroon">c<sub>2</sub></font>,the <a href="lattices.html#U1">L_meet</a> of <font color="Maroon">c<sub>2</sub></font> #)
 
;<br/>
<b>hence </b><a NAME="E3:76_1_1"/>
<font color="Maroon">c<sub>2</sub></font> is <a href="lattices.html#V5">join-associative</a>
 <b>by </b><i><a class="ref" href="robbins3.html#T11" target="_self">Th11</a></i>;<br/>


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