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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> be  non <a href="struct_0.html#V3">empty</a> <a href="orders_2.html#NM1">Poset</a>;<br/><b>let </b><font color="Maroon">c<sub>4</sub></font> be  non <a href="struct_0.html#V3">empty</a> <a href="yellow_0.html#V4">full</a>  <a href="yellow_0.html#M1">SubRelStr</a> of <font color="Maroon">c<sub>3</sub></font> <a href="yellow_1.html#K6">|^</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>;<br/><b>let </b><font color="Maroon">c<sub>5</sub></font> be  non <a href="struct_0.html#V3">empty</a> <a href="yellow_0.html#V4">full</a>  <a href="yellow_0.html#M1">SubRelStr</a> of <span class="p1">(<span class="default"><font color="Maroon">c<sub>3</sub></font> <a href="yellow_1.html#K6">|^</a> <font color="Maroon">c<sub>2</sub></font></span>)</span> <a href="yellow_1.html#K6">|^</a> <font color="Maroon">c<sub>1</sub></font>;<br/><b>let </b><font color="Maroon">c<sub>6</sub></font> be   <a href="struct_0.html#NM7">Function</a> of <font color="Maroon">c<sub>5</sub></font>,<font color="Maroon">c<sub>4</sub></font>;<br/>









<b>assume </b><a NAME="E1:4"/><i><font color="Green">E4</font></i>: 
( <font color="Maroon">c<sub>6</sub></font> is <a href="waybel27.html#V1">uncurrying</a> &amp; <font color="Maroon">c<sub>6</sub></font> is <a href="funct_1.html#V2">one-to-one</a> &amp; <font color="Maroon">c<sub>6</sub></font> is <a href="funct_2.html#V2">onto</a> )
 ;<br/>

<a NAME="E2:4"/><b>then </b>
<font color="Maroon">c<sub>6</sub></font> <a href="tops_2.html#NK3" target="_self">"</a>  is <a href="waybel27.html#V2">currying</a>
 
<b>by </b><i><a class="ref" href="waybel29.html#T3" target="_self">Th3</a></i>;<br/>
<a NAME="E3:4"/><b>then </b>
( <font color="Maroon">c<sub>6</sub></font> is <a href="orders_3.html#V5">monotone</a> &amp; <font color="Maroon">c<sub>6</sub></font> <a href="tops_2.html#NK3" target="_self">"</a>  is <a href="orders_3.html#V5">monotone</a> &amp; <font color="Maroon">c<sub>6</sub></font> <a href="partfun1.html#K1">*</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>6</sub></font> <a href="tops_2.html#NK3" target="_self">"</a> </span>)</span> <a href="funct_2.html#R2">=</a>  <a href="grcat_1.html#K7">id</a> <font color="Maroon">c<sub>4</sub></font> &amp; <span class="p1">(<span class="default"><font color="Maroon">c<sub>6</sub></font> <a href="tops_2.html#NK3" target="_self">"</a> </span>)</span> <a href="partfun1.html#K1">*</a> <font color="Maroon">c<sub>6</sub></font> <a href="funct_2.html#R2">=</a>  <a href="grcat_1.html#K7">id</a> <font color="Maroon">c<sub>5</sub></font> )
 
<b>by </b><i><a class="txt" href="waybel29.html#E1:4"><i><font color="Green">E4</font></i></a>, <a class="ref" href="waybel29.html#T1" target="_self">Th1</a>, <a class="ref" href="waybel27.html#T20">WAYBEL27:20</a>, <a class="ref" href="waybel27.html#T21">WAYBEL27:21</a></i>;<br/>
<b>hence </b><a NAME="E4:4"/>
<font color="Maroon">c<sub>6</sub></font> is <a href="waybel_0.html#V23">isomorphic</a>
 <b>by </b><i><a class="ref" href="yellow16.html#T17">YELLOW16:17</a></i>;<br/>


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