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<a NAME="E1:8_1_1"/>
<font color="Maroon">c<sub>1</sub></font> is   <a href="real_1.html#NM1">Real</a>
 
<b>by </b><i><a class="ref" href="xreal_0.html#D1">XREAL_0:def 1</a></i>;<br/>
<b>hence </b><a NAME="E2:8_1_1"/>
<font color="Maroon">c<sub>1</sub></font> is   <a href="supinf_1.html#NM3">R_eal</a>
 <b>by </b><i><a class="ref" href="supinf_1.html#T10">SUPINF_1:10</a></i>;<br/>


</div>
