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<b>take </b>
 <a href="vectsp_1.html#K3" target="_self">F_Real</a> 
;<br/>

<b>thus </b><a NAME="E1:29_1_1"/>
(  <a href="vectsp_1.html#K3" target="_self">F_Real</a>  is <a href="group_1.html#V7">commutative</a> &amp;  <a href="vectsp_1.html#K3" target="_self">F_Real</a>  is <a href="group_1.html#V4">associative</a> &amp;  <a href="vectsp_1.html#K3" target="_self">F_Real</a>  is <a href="group_1.html#V2">unital</a> )
 ;<br/>


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