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<b>set </b><font color="Maroon" title="c4">IT</font> =  <a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a> ;<br/>
<a NAME="E1:7_1_1"/><i><font color="Green" title="E3">A1</font></i>: 
 <a href="relset_1.html#K4" title="RELSET_1:func.4">dom</a> <font color="Maroon" title="c3">h</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><font color="Maroon" title="c2">C2</font>,<font color="Maroon" title="c1">C1</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="fuzzy_1.html#D1" title="FUZZY_1:def.1">FUZZY_1:def 1</a></i>;<br/>
<a NAME="E2:7_1_1"/><b>then </b><i><font color="Green" title="E4">A2</font></i>: 
 <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <span class="p1">(<span class="default"><a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a> </span>)</span> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><font color="Maroon" title="c1">C1</font>,<font color="Maroon" title="c2">C2</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="ref" href="funct_4.html#T47" title="FUNCT_4:th.47">FUNCT_4:47</a></i>;<br/>
<a NAME="E3:7_1_1"/>
 <a href="relset_1.html#K5" title="RELSET_1:func.5">rng</a> <font color="Maroon" title="c3">h</font> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">[.</a><span class="default">0,1</span><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">.]</a></span>
 
<b>by </b><i><a class="ref" href="fuzzy_1.html#D1" title="FUZZY_1:def.1">FUZZY_1:def 1</a></i>;<br/>
<a NAME="E4:7_1_1"/><b>then </b><i><font color="Green" title="E5">A3</font></i>: 
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a> </span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a> <span class="p1"><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">[.</a><span class="default">0,1</span><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">.]</a></span>
 
<b>by </b><i><a class="txt" href="fuzzy_4.html#E1:7_1_1"><i><font color="Green" title="E3">A1</font></i></a>, <a class="ref" href="funct_4.html#T48" title="FUNCT_4:th.48">FUNCT_4:48</a></i>;<br/>
<a NAME="E5:7_1_1"/><b>then </b>
 <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <span class="p1">(<span class="default"><a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a> </span>)</span> <a href="tarski.html#R1" title="TARSKI:pred.1">c=</a>  <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a> 
 
<b>by </b><i><a class="ref" href="xboole_1.html#T1" title="XBOOLE_1:th.1">XBOOLE_1:1</a></i>;<br/>
<b>then reconsider </b><font color="Maroon" title="c5">IT</font> =  <a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a>  as   <a href="partfun1.html#NM1" title="PARTFUN1:NM.1">PartFunc</a> of <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><font color="Maroon" title="c1">C1</font>,<font color="Maroon" title="c2">C2</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>, <a href="numbers.html#K1" title="NUMBERS:func.1">REAL</a>  <b>by </b><i><a class="txt" href="fuzzy_4.html#E2:7_1_1"><i><font color="Green" title="E4">A2</font></i></a>, <a class="ref" href="partfun1.html#T25" title="PARTFUN1:th.25">PARTFUN1:25</a></i>;<br/>
<a NAME="E7:7_1_1"/>
<font color="Maroon" title="c5">IT</font> is    <a href="fuzzy_1.html#M1" title="FUZZY_1:mode.1">Membership_Func</a> of <span class="p1"><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">[:</a><span class="default"><font color="Maroon" title="c1">C1</font>,<font color="Maroon" title="c2">C2</font></span><a href="zfmisc_1.html#K2" title="ZFMISC_1:func.2">:]</a></span>
 
<b>by </b><i><a class="txt" href="fuzzy_4.html#E2:7_1_1"><i><font color="Green" title="E4">A2</font></i></a>, <a class="txt" href="fuzzy_4.html#E4:7_1_1"><i><font color="Green" title="E5">A3</font></i></a>, <a class="ref" href="fuzzy_1.html#D1" title="FUZZY_1:def.1">FUZZY_1:def 1</a></i>;<br/>
<b>hence </b><a NAME="E8:7_1_1"/>
 <a href="fuzzy_4.html#NK2" title="FUZZY_4:NK.2">converse</a>  is   <a href="fuzzy_3.html#NM1" title="FUZZY_3:NM.1">RMembership_Func</a> of <font color="Maroon" title="c1">C1</font>,<font color="Maroon" title="c2">C2</font>
 ;<br/>


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