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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#V4">join-commutative</a> <a href="lattices.html#V5">join-associative</a>  <a href="robbins1.html#L2" target="_self">ComplLattStr</a> ;<br/>

<b>assume </b><a NAME="E1:101_1_1"/><i><font color="Green">E27</font></i>: 
<font color="Maroon">K</font> is <a href="robbins1.html#V4" target="_self">Robbins</a>
 ;<br/>

<b>then consider </b><font color="Maroon">y</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font>, <font color="Maroon">z</font> being   <a href="struct_0.html#NM1">Element</a> of <font color="Maroon">K</font><b> such that </b><br/><a NAME="E3:101_1_1"/><i><font color="Green">E35</font></i>: 
<font color="Maroon">y</font> <a href="robbins1.html#K5" target="_self">+</a> <font color="Maroon">z</font> <a href="hidden.html#R1">=</a> <font color="Maroon">z</font>
 <b>by </b><i/>;<br/>
<b>thus </b><a NAME="E4:101_1_1"/>
<font color="Maroon">K</font> is <a href="robbins1.html#V5" target="_self">Huntington</a>
 <b>by </b><i>, , </i>;<br/>


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