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<b>let </b><font color="Maroon">c<sub>1</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>2</sub></font> be    <a href="subset_1.html#M1">Element</a> of <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>3</sub></font> be    <a href="fuzzy_1.html#M1" target="_self">Membership_Func</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>





<a NAME="E1:22"/>
( <font color="Maroon">c<sub>3</sub></font> <a href="fuzzy_1.html#NR2" target="_self">c=</a>  &amp;  <a href="fuzzy_1.html#K5" target="_self">UMF</a> <font color="Maroon">c<sub>1</sub></font> <a href="fuzzy_1.html#NR2" target="_self">c=</a>  )
 
<b>by </b><i><a class="ref" href="fuzzy_1.html#T15" target="_self">Th15</a>, <a class="ref" href="fuzzy_1.html#T16" target="_self">Th16</a></i>;<br/>
<b>hence </b><a NAME="E2:22"/>
( <span class="p1">(<span class="default"><a href="fuzzy_1.html#K4" target="_self">EMF</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="seq_1.html#K2">.</a> <font color="Maroon">c<sub>2</sub></font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Maroon">c<sub>3</sub></font> <a href="seq_1.html#K2">.</a> <font color="Maroon">c<sub>2</sub></font> &amp; <font color="Maroon">c<sub>3</sub></font> <a href="seq_1.html#K2">.</a> <font color="Maroon">c<sub>2</sub></font> <a href="xxreal_0.html#R1">&lt;=</a> <span class="p1">(<span class="default"><a href="fuzzy_1.html#K5" target="_self">UMF</a> <font color="Maroon">c<sub>1</sub></font></span>)</span> <a href="seq_1.html#K2">.</a> <font color="Maroon">c<sub>2</sub></font> )
 <b>by </b><i><a class="ref" href="fuzzy_1.html#D3" target="_self">Def3</a></i>;<br/>


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