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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="struct_0.html#NM1">Element</a> of <a href="lattices.html#G3">LattStr</a>(# <a href="numbers.html#K5">NAT</a> ,<a href="nat_lat.html#K2" target="_self">lcmlat</a> ,<a href="nat_lat.html#K1" target="_self">hcflat</a>  #);<br/>

<b>thus </b><font color="Maroon">c<sub>1</sub></font> <a href="lattices.html#K2">"/\"</a> <font color="Maroon">c<sub>2</sub></font> = 
<span class="p1">(<span class="default"><a href="nat_lat.html#K3" target="_self">@</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="nat_1.html#K8">hcf</a> <span class="p1">(<span class="default"><a href="nat_lat.html#K3" target="_self">@</a> <font color="Maroon">c<sub>2</sub></font></span>)</span>
<b>by </b><i><a class="ref" href="nat_lat.html#T49" target="_self">Th49</a></i>
<br/>.= 
<font color="Maroon">c<sub>2</sub></font> <a href="lattices.html#K2">"/\"</a> <font color="Maroon">c<sub>1</sub></font>
<b>by </b><i><a class="ref" href="nat_lat.html#T49" target="_self">Th49</a></i>
;<br/>


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