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(  <a href="algstr_1.html#K6" target="_self">multEX_0</a>  is <a href="group_1.html#V7">commutative</a> &amp; not  <a href="algstr_1.html#K6" target="_self">multEX_0</a>  is <a href="vectsp_1.html#V10">degenerated</a> )
 
<b>by </b><i><a class="txt" href="algstr_1.html#E69"><i><font color="Green">Lemma39</font></i></a>, <a class="txt" href="algstr_1.html#E70"><i><font color="Green">Lemma40</font></i></a>, <a class="txt" href="algstr_1.html#E94"><i><font color="Green">Lemma58</font></i></a>, <a class="ref" href="group_1.html#D16">GROUP_1:def 16</a>, <a class="ref" href="vectsp_1.html#D21">VECTSP_1:def 21</a></i>;<br/>
<b>hence </b><a NAME="E2:73_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="algstr_1.html#NM6">multGroup_0</a> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="vectsp_1.html#V2">strict</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="group_1.html#V7">commutative</a> )
 ;<br/>


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