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<a NAME="E1:4_1_1"/>
for <font color="Olive">b<sub>1</sub></font> being   <a href="subset_1.html#M1">Element</a> of  <a href="valuat_1.html#K1" target="_self">Valuations_in</a> <font color="Maroon">c<sub>1</sub></font> holds <font color="Olive">b<sub>1</sub></font> is   <a href="funct_2.html#NM1">Function</a> of  <a href="qc_lang1.html#K2">bound_QC-variables</a> ,<font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="valuat_1.html#T2" target="_self">Th2</a></i>;<br/>
<b>hence </b><a NAME="E2:4_1_1"/>
 <a href="valuat_1.html#K1" target="_self">Valuations_in</a> <font color="Maroon">c<sub>1</sub></font> is    <a href="fraenkel.html#M1">FUNCTION_DOMAIN</a> of  <a href="qc_lang1.html#K2">bound_QC-variables</a> ,<font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="fraenkel.html#D2">FRAENKEL:def 2</a></i>;<br/>


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