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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/>

<div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1"><b>per </b></a><a class="txt" onclick="hs(this)" href="javascript:()"><b>cases </b></a><span class="hide"><a NAME="E1:43_1"/>
( <font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#NR1" target="_self">is_equality</a>  or <font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#NR2" target="_self">is_membership</a>  or <font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V4" target="_self">negative</a> or <font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V5" target="_self">conjunctive</a> or <font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V6" target="_self">universal</a> )
 </span><b>by </b><i><a class="ref" href="zf_lang.html#T25" target="_self">Th25</a></i>;<br/><div class="add"><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1_1"><b>case </b></a><a NAME="E1:43_1_1"/>
<font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#NR1" target="_self">is_equality</a> 
 ;<br/><div class="add"><b>hence </b><a NAME="E2:43_1_1"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> 0
 <b>by </b><i><a class="ref" href="zf_lang.html#T35" target="_self">Th35</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1_2"><b>case </b></a><a NAME="E1:43_1_2"/>
<font color="Maroon">c<sub>1</sub></font> <a href="zf_lang.html#NR2" target="_self">is_membership</a> 
 ;<br/><div class="add"><b>hence </b><a NAME="E2:43_1_2"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> 1
 <b>by </b><i><a class="ref" href="zf_lang.html#T36" target="_self">Th36</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1_3"><b>case </b></a><a NAME="E1:43_1_3"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V4" target="_self">negative</a>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:43_1_3"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> 2
 <b>by </b><i><a class="ref" href="zf_lang.html#T37" target="_self">Th37</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1_4"><b>case </b></a><a NAME="E1:43_1_4"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V5" target="_self">conjunctive</a>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:43_1_4"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> 3
 <b>by </b><i><a class="ref" href="zf_lang.html#T38" target="_self">Th38</a></i>;<br/></div><b>end;</b></div><div><a class="txt" onclick="hsNdiv(this)" href="javascript:()" title="43_1_5"><b>case </b></a><a NAME="E1:43_1_5"/>
<font color="Maroon">c<sub>1</sub></font> is <a href="zf_lang.html#V6" target="_self">universal</a>
 ;<br/><div class="add"><b>hence </b><a NAME="E2:43_1_5"/>
<font color="Maroon">c<sub>1</sub></font> <a href="funct_1.html#K1">.</a> 1 <a href="hidden.html#R1">=</a> 4
 <b>by </b><i><a class="ref" href="zf_lang.html#T39" target="_self">Th39</a></i>;<br/></div><b>end;</b></div></div><b>end;</b></div>

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