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<b>take </b>
<font color="Maroon">x4</font>
;<br/>

<b>thus </b><a NAME="E1:5_4_1"/>
for <font color="Olive">y1</font>, <font color="Olive">y2</font>, <font color="Olive">y3</font>, <font color="Olive">y4</font> being   <a href="hidden.html#M1">set</a>   st <font color="Maroon">x</font> <a href="hidden.html#R1">=</a> <span class="p1"><a href="mcart_1.html#K4">[</a><span class="default"><font color="Olive">y1</font>,<font color="Olive">y2</font>,<font color="Olive">y3</font>,<font color="Olive">y4</font></span><a href="mcart_1.html#K4">]</a></span> holds <br/><font color="Maroon">x4</font> <a href="hidden.html#R1">=</a> <font color="Olive">y4</font>
 <b>by </b><i>, <a class="ref" href="mcart_1.html#T33">MCART_1:33</a></i>;<br/>


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