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<a NAME="E1:47_1_1"/>
<font color="Maroon">x</font> <a href="mcart_1.html#K17">`11</a>  <a href="hidden.html#R1">=</a> <span class="p1">(<span class="default"><font color="Maroon">x</font> <a href="domain_1.html#K2" target="_self">`1</a> </span>)</span> <a href="domain_1.html#K2" target="_self">`1</a> 
 
<b>by </b><i><a class="ref" href="mcart_1.html#D14">MCART_1:def 14</a></i>;<br/>
<b>hence </b><a NAME="E2:47_1_1"/>
<font color="Maroon">x</font> <a href="mcart_1.html#K17">`11</a>  is    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">D1</font>
 ;<br/>


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