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<b>take </b>
<span class="p1">{<span class="default"> <span class="p2">(<span class="default"><font color="Olive">a</font> <a href="vectsp_4.html#K3">+</a> <font color="Maroon">W</font></span>)</span> where <font color="Olive">a</font> is   <a href="vectsp_1.html#NM5">Vector</a> of <font color="Maroon">V</font> : verum </span>}</span> 
;<br/>

<b>thus </b><a NAME="E1:38_1_1"/>
for <font color="Olive">x</font> being   <a href="hidden.html#M1">set</a>  holds <br/> ( <font color="Olive">x</font> <a href="hidden.html#R2">in</a> <span class="p1">{<span class="default"> <span class="p2">(<span class="default"><font color="Olive">a</font> <a href="vectsp_4.html#K3">+</a> <font color="Maroon">W</font></span>)</span> where <font color="Olive">a</font> is   <a href="vectsp_1.html#NM5">Vector</a> of <font color="Maroon">V</font> : verum </span>}</span>  iff  ex <font color="Olive">a</font> being  <a href="vectsp_1.html#NM5">Vector</a> of <font color="Maroon">V</font> st <font color="Olive">x</font> <a href="hidden.html#R1">=</a> <font color="Olive">a</font> <a href="vectsp_4.html#K3">+</a> <font color="Maroon">W</font> )
 ;<br/>


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