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<a NAME="E1:21_1_1"/>
 <a href="msualg_1.html#G3">MSAlgebra</a>(# the <a href="msualg_1.html#U4">Sorts</a> of <font color="Maroon">c<sub>2</sub></font>,the <a href="msualg_1.html#U5">Charact</a> of <font color="Maroon">c<sub>2</sub></font> #) is    <a href="msualg_2.html#M1" target="_self">MSSubAlgebra</a> of <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="txt" href="msualg_2.html#E16"><i><font color="Green">Lemma14</font></i></a></i>;<br/>
<b>hence </b><a NAME="E2:21_1_1"/>
ex <font color="Olive">b<sub>1</sub></font> being   <a href="msualg_2.html#M1" target="_self">MSSubAlgebra</a> of <font color="Maroon">c<sub>2</sub></font> st <font color="Olive">b<sub>1</sub></font> is <a href="msualg_1.html#V4">strict</a>
 ;<br/>


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