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<b>consider </b><font color="Maroon">U1</font> being    <a href="unialg_2.html#M3">SubAlgebra</a> of <font color="Maroon">U0</font><b> such that </b><br/><a NAME="E2:5_1_1"/><i><font color="Green">E26</font></i>: 
<font color="Maroon">U1</font> <a href="hidden.html#R1">=</a> <font color="Maroon">u</font>
 ;<br/>
<b>reconsider </b><font color="Maroon">A</font> = the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">U1</font> as   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">U0</font> <b>by </b><i><a class="ref" href="unialg_2.html#D8">UNIALG_2:def 8</a></i>;<br/>
<b>take </b>
<font color="Maroon">A</font>
;<br/>

<b>take </b>
<font color="Maroon">U1</font>
;<br/>

<b>thus </b><a NAME="E4:5_1_1"/>
( <font color="Maroon">u</font> <a href="hidden.html#R1">=</a> <font color="Maroon">U1</font> &amp; <font color="Maroon">A</font> <a href="hidden.html#R1">=</a> the <a href="struct_0.html#U1">carrier</a> of <font color="Maroon">U1</font> )
 <b>by </b><i/>;<br/>


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