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<b>let </b><font color="Maroon">c<sub>1</sub></font> be  <a href="waybel_1.html#V11">Boolean</a> <a href="waybel_0.html#NM8">LATTICE</a>;<br/>

<b>given </b><font color="Maroon">c<sub>2</sub></font> being    <a href="hidden.html#M1">set</a> <b> such that </b><a NAME="E1:35"/><i><font color="Green">E28</font></i>: 
<font color="Maroon">c<sub>1</sub></font>, <a href="yellow_1.html#K3">BoolePoset</a> <font color="Maroon">c<sub>2</sub></font> <a href="waybel_1.html#R5">are_isomorphic</a> 
 ;<br/>

<a NAME="E2:35"/>
 <a href="yellow_1.html#K3">BoolePoset</a> <font color="Maroon">c<sub>2</sub></font>,<font color="Maroon">c<sub>1</sub></font> <a href="waybel_1.html#R5">are_isomorphic</a> 
 
<b>by </b><i><a class="txt" href="waybel15.html#E1:35"><i><font color="Green">E28</font></i></a>, <a class="ref" href="waybel_1.html#T7">WAYBEL_1:7</a></i>;<br/>
<b>hence </b><a NAME="E3:35"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="waybel_8.html#V3">arithmetic</a>
 <b>by </b><i><a class="ref" href="waybel15.html#T12" target="_self">Th12</a></i>;<br/>


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