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<a NAME="E1:24_1_1"/>
 <a href="relset_1.html#K4">dom</a> <font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="numbers.html#K1">REAL</a> 
 
<b>by </b><i><a class="ref" href="funct_2.html#D1">FUNCT_2:def 1</a></i>;<br/>
<b>hence </b><a NAME="E2:24_1_1"/>
( <font color="Maroon">c<sub>1</sub></font> is <a href="jordan16.html#V1" target="_self">continuous</a> iff <font color="Maroon">c<sub>1</sub></font> <a href="fcont_1.html#R2">is_continuous_on</a>  <a href="numbers.html#K1">REAL</a>  )
 <b>by </b><i><a class="ref" href="jordan16.html#D1" target="_self">Def1</a></i>;<br/>


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