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<b>take </b>
 <a href="sheffer1.html#K4">TrivShefferOrthoLattStr</a> 
;<br/>

<b>thus </b><a NAME="E1:3_1_1"/>
(  <a href="sheffer1.html#K4">TrivShefferOrthoLattStr</a>  is <a href="sheffer2.html#V1" target="_self">satisfying_Sh_1</a> &amp;  <a href="sheffer1.html#K4">TrivShefferOrthoLattStr</a>  is <a href="sheffer1.html#V10">satisfying_Sheffer_1</a> &amp;  <a href="sheffer1.html#K4">TrivShefferOrthoLattStr</a>  is <a href="sheffer1.html#V11">satisfying_Sheffer_2</a> &amp;  <a href="sheffer1.html#K4">TrivShefferOrthoLattStr</a>  is <a href="sheffer1.html#V12">satisfying_Sheffer_3</a> )
 ;<br/>


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