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<b>let </b><font color="Maroon">c<sub>1</sub></font>, <font color="Maroon">c<sub>2</sub></font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font>, <font color="Maroon">c<sub>4</sub></font> be   <a href="fuzzy_3.html#NM1">RMembership_Func</a> of <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font>;<br/>







<a NAME="E1:7"/>
 <a href="fuzzy_3.html#K1" target="_self">Zmf</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font> <a href="funct_2.html#R2">=</a>  <a href="fuzzy_1.html#K4">EMF</a> <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font></span><a href="zfmisc_1.html#K2">:]</a></span>
 
<b>by </b><i><a class="ref" href="fuzzy_3.html#T1" target="_self">Th1</a></i>;<br/>
<b>hence </b><a NAME="E2:7"/>
( <font color="Maroon">c<sub>3</sub></font> <a href="fuzzy_2.html#K1">\</a> <font color="Maroon">c<sub>4</sub></font> <a href="funct_2.html#R2">=</a>  <a href="fuzzy_3.html#K1" target="_self">Zmf</a> <font color="Maroon">c<sub>1</sub></font>,<font color="Maroon">c<sub>2</sub></font> implies <font color="Maroon">c<sub>4</sub></font> <a href="fuzzy_1.html#NR2" target="_self">c=</a>  )
 <b>by </b><i><a class="ref" href="fuzzy_2.html#T31">FUZZY_2:31</a></i>;<br/>


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