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<b>consider </b><font color="Maroon" title="c2">A</font> being  <a href="msualg_1.html#V4" title="MSUALG_1:attr.4">non-empty</a>  <a href="msualg_1.html#L3" title="MSUALG_1:struct.3">MSAlgebra</a> of <font color="Maroon" title="c1">S</font>;<br/>
<b>take </b>
<font color="Maroon" title="c2">A</font>
; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> <font color="Maroon" title="c2">A</font> is <a href="msualg_1.html#V4" title="MSUALG_1:attr.4">non-empty</a></span><br/>

<b>thus </b><a NAME="E2:8_1_1"/>
<font color="Maroon" title="c2">A</font> is <a href="msualg_1.html#V4" title="MSUALG_1:attr.4">non-empty</a>
 ; <a class="txt" onclick="hs(this)" href="javascript:()"><i><font color="Red">::  thesis: </font></i></a><span class="hide"> verum</span><br/>


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