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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="rlvect_1.html#NM2">RealLinearSpace</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be   <a href="struct_0.html#NM2">Subset</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font>, <font color="Maroon">c<sub>4</sub></font> be    <a href="rlvect_2.html#M1" target="_self">Linear_Combination</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>







<b>assume </b><b>that </b><br/><a NAME="E1:69"/><i><font color="Green">E45</font></i>: 
<font color="Maroon">c<sub>3</sub></font> is    <a href="rlvect_2.html#M2" target="_self">Linear_Combination</a> of <font color="Maroon">c<sub>2</sub></font>
 <b>and </b><br/><a NAME="E2:69"/><i><font color="Green">E46</font></i>: 
<font color="Maroon">c<sub>4</sub></font> is    <a href="rlvect_2.html#M2" target="_self">Linear_Combination</a> of <font color="Maroon">c<sub>2</sub></font>
 ;<br/>

<a NAME="E3:69"/><i><font color="Green">E47</font></i>: 
 <a href="rlvect_2.html#K9" target="_self">-</a> <font color="Maroon">c<sub>4</sub></font> is    <a href="rlvect_2.html#M2" target="_self">Linear_Combination</a> of <font color="Maroon">c<sub>2</sub></font>
 
<b>by </b><i><a class="txt" href="rlvect_2.html#E2:69"><i><font color="Green">E46</font></i></a>, <a class="ref" href="rlvect_2.html#T76" target="_self">Th76</a></i>;<br/>
<b>thus </b><a NAME="E4:69"/>
<font color="Maroon">c<sub>3</sub></font> <a href="rlvect_2.html#K10" target="_self">-</a> <font color="Maroon">c<sub>4</sub></font> is    <a href="rlvect_2.html#M2" target="_self">Linear_Combination</a> of <font color="Maroon">c<sub>2</sub></font>
 <b>by </b><i><a class="txt" href="rlvect_2.html#E1:69"><i><font color="Green">E45</font></i></a>, <a class="txt" href="rlvect_2.html#E3:69"><i><font color="Green">E47</font></i></a>, <a class="ref" href="rlvect_2.html#T59" target="_self">Th59</a></i>;<br/>


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