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<b>reconsider </b><font color="Maroon">c<sub>1</sub></font> =  <a href="xboole_0.html#K1">{}</a>  as   <a href="funct_1.html#NM1">Function</a> ;<br/>
<div><a class="txt" onclick="hs2(this)" href="javascript:()" title="44_2_1_1"><b>now </b></a><div class="add"><b>let </b><font color="Maroon">c<sub>2</sub></font> be    <a href="hidden.html#M1">set</a> ;<br/><a NAME="E1:44_2_1_1"/>
 <a href="finseq_1.html#K4">dom</a> <a href="xboole_0.html#K1">{}</a>  <a href="hidden.html#R1">=</a>  <a href="xboole_0.html#K1">{}</a> 
 ;<br/><b>hence </b><a NAME="E2:44_2_1_1"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> <font color="Maroon">c<sub>2</sub></font> is <a href="finset_1.html#V1">finite</a>
 <b>by </b><i><a class="ref" href="funct_1.html#D4">FUNCT_1:def 4</a></i>;<br/></div><b>end;</b></div>
<a NAME="E3:44_2_1"/><b>then </b>
<font color="Maroon">c<sub>1</sub></font> is <a href="card_fin.html#V1" target="_self">finite-yielding</a>
 
<b>by </b><i><a class="ref" href="card_fin.html#D3" target="_self">Def3</a></i>;<br/>
<b>hence </b><a NAME="E4:44_2_1"/>
ex <font color="Olive">b<sub>1</sub></font> being  <a href="funct_1.html#NM1">Function</a> st <br/>( <font color="Olive">b<sub>1</sub></font> is <a href="xboole_0.html#V1">empty</a> &amp; <font color="Olive">b<sub>1</sub></font> is <a href="card_fin.html#V1" target="_self">finite-yielding</a> )
 ;<br/>


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