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<b>let </b><font color="Maroon">c<sub>1</sub></font> be   <a href="zf_lang.html#NM2">ZF-formula</a>;<br/>

<b>assume </b><a NAME="E1:94"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V6" target="_self">universal</a>
 ;<br/>

<a NAME="E2:94"/><b>then </b>
 <a href="zf_lang.html#K24" target="_self">the_scope_of</a> <font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#R1" target="_self">is_immediate_constituent_of</a> <font color="Maroon">c<sub>1</sub></font>
 
<b>by </b><i><a class="ref" href="zf_lang.html#T77" target="_self">Th77</a></i>;<br/>
<b>hence </b><a NAME="E3:94"/>
 <a href="zf_lang.html#K24" target="_self">the_scope_of</a> <font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#R3" target="_self">is_proper_subformula_of</a> <font color="Maroon">c<sub>1</sub></font>
 <b>by </b><i><a class="ref" href="zf_lang.html#T82" target="_self">Th82</a></i>;<br/>


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