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<b>let </b><font color="Maroon">C1</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">C2</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> ;<br/>



<a NAME="E1:4"/>
(  <a href="fuzzy_3.html#K1" target="_self">Zmf</a> <font color="Maroon">C1</font>,<font color="Maroon">C2</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">C1</font>,<font color="Maroon">C2</font></span><a href="zfmisc_1.html#K2">:]</a></span> &amp;  <a href="fuzzy_3.html#K2" target="_self">Umf</a> <font color="Maroon">C1</font>,<font color="Maroon">C2</font> <a href="funct_2.html#R2">=</a>  <a href="fuzzy_1.html#K5">UMF</a> <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><font color="Maroon">C1</font>,<font color="Maroon">C2</font></span><a href="zfmisc_1.html#K2">:]</a></span> )
 
<b>by </b><i>, </i>;<br/>
<b>hence </b><a NAME="E2:4"/>
for <font color="Olive">x</font> being   <a href="subset_1.html#M1">Element</a> of <span class="p1"><a href="zfmisc_1.html#K2">[:</a><span class="default"><font color="Maroon">C1</font>,<font color="Maroon">C2</font></span><a href="zfmisc_1.html#K2">:]</a></span><br/> for <font color="Olive">h</font> being  <a href="fuzzy_3.html#NM1">RMembership_Func</a> of <font color="Maroon">C1</font>,<font color="Maroon">C2</font> holds <br/> ( <span class="p1">(<span class="default"><a href="fuzzy_3.html#K1" target="_self">Zmf</a> <font color="Maroon">C1</font>,<font color="Maroon">C2</font></span>)</span> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> <a href="xxreal_0.html#R1">&lt;=</a> <font color="Olive">h</font> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> &amp; <font color="Olive">h</font> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> <a href="xxreal_0.html#R1">&lt;=</a> <span class="p1">(<span class="default"><a href="fuzzy_3.html#K2" target="_self">Umf</a> <font color="Maroon">C1</font>,<font color="Maroon">C2</font></span>)</span> <a href="funct_2.html#K3">.</a> <font color="Olive">x</font> )
 <b>by </b><i><a class="ref" href="fuzzy_1.html#T17">FUZZY_1:17</a></i>;<br/>


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