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<b>reconsider </b><font color="Maroon">c<sub>4</sub></font> = <font color="Maroon">c<sub>2</sub></font> as   <a href="funct_2.html#NM1">Function</a> of  <a href="finseq_1.html#K2">Seg</a> <font color="Maroon">c<sub>1</sub></font>, <a href="numbers.html#K1">REAL</a>  <b>by </b><i><a class="ref" href="chain_1.html#D4" target="_self">Def4</a></i>;<br/>
<a NAME="E2:23_1_1"/>
<font color="Maroon">c<sub>4</sub></font> <a href="funct_2.html#K3">.</a> <font color="Maroon">c<sub>3</sub></font> is   <a href="real_1.html#NM1">Real</a>
 
;<br/>
<b>hence </b><a NAME="E3:23_1_1"/>
<font color="Maroon">c<sub>2</sub></font> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>3</sub></font> is   <a href="real_1.html#NM1">Real</a>
 ;<br/>


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