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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be   <a href="zf_lang.html#NM2">ZF-formula</a>;<br/>



<b>assume </b><a NAME="E1:75"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V6" target="_self">universal</a>
 ;<br/>

<a NAME="E2:75"/><b>then </b>
<font color="Maroon">c<sub>1</sub></font> <a href="hidden.html#R1">=</a>  <a href="zf_lang.html#K8" target="_self">All</a> <span class="p1">(<span class="default"><a href="zf_lang.html#K23" target="_self">bound_in</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>,<span class="p1">(<span class="default"><a href="zf_lang.html#K24" target="_self">the_scope_of</a> <font color="Maroon">c<sub>1</sub></font></span>)</span>
 
<b>by </b><i><a class="ref" href="zf_lang.html#T62" target="_self">Th62</a></i>;<br/>
<b>hence </b><a NAME="E3:75"/>
( <font color="Maroon">c<sub>2</sub></font> <a href="zf_lang.html#R1" target="_self">is_immediate_constituent_of</a> <font color="Maroon">c<sub>1</sub></font> iff <font color="Maroon">c<sub>2</sub></font> <a href="hidden.html#R1">=</a>  <a href="zf_lang.html#K24" target="_self">the_scope_of</a> <font color="Maroon">c<sub>1</sub></font> )
 <b>by </b><i><a class="ref" href="zf_lang.html#T73" target="_self">Th73</a></i>;<br/>


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