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<b>let </b><font color="Maroon" title="c1">x</font>, <font color="Maroon" title="c2">y</font> be    <a href="hidden.html#M1" title="HIDDEN:mode.1">set</a> ;<br/><b>let </b><font color="Maroon" title="c3">f</font> be   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a>;<br/>





<b>assume </b><a NAME="E1:58"/><i><font color="Green" title="E36">A1</font></i>: 
( <font color="Maroon" title="c1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c3">f</font> &amp; <font color="Maroon" title="c3">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c1">x</font> is   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a> &amp; <font color="Maroon" title="c2">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <span class="p1"><a href="funct_6.html#K6" title="FUNCT_6:func.6">&lt;:</a><span class="default"><font color="Maroon" title="c3">f</font></span><a href="funct_6.html#K6" title="FUNCT_6:func.6">:&gt;</a></span> )
 ;<br/>

<b>then reconsider </b><font color="Maroon" title="c4">g</font> = <font color="Maroon" title="c3">f</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c1">x</font>, <font color="Maroon" title="c5">h</font> = <span class="p1"><a href="funct_6.html#K6" title="FUNCT_6:func.6">&lt;:</a><span class="default"><font color="Maroon" title="c3">f</font></span><a href="funct_6.html#K6" title="FUNCT_6:func.6">:&gt;</a></span> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c2">y</font> as   <a href="funct_1.html#NM1" title="FUNCT_1:NM.1">Function</a> <b>by </b><i><a class="ref" href="funct_6.html#T50" target="_self" title="FUNCT_6:th.50">Th50</a></i>;<br/>
<a NAME="E3:58"/>
<font color="Maroon" title="c4">g</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c3">f</font>
 
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="ref" href="funct_1.html#D5" title="FUNCT_1:def.5">FUNCT_1:def 5</a></i>;<br/>
<a NAME="E4:58"/><b>then </b><i><font color="Green" title="E37">A2</font></i>: 
( <font color="Maroon" title="c2">y</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c4">g</font> &amp;  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c5">h</font> <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <font color="Maroon" title="c3">f</font> <a href="relat_1.html#K10" title="RELAT_1:func.10">"</a> <span class="p1">(<span class="default"><a href="funct_6.html#K1" title="FUNCT_6:func.1">SubFuncs</a> <span class="p2">(<span class="default"><a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c3">f</font></span>)</span></span>)</span> &amp; <font color="Maroon" title="c4">g</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="funct_6.html#K1" title="FUNCT_6:func.1">SubFuncs</a> <span class="p1">(<span class="default"><a href="relat_1.html#K2" title="RELAT_1:func.2">rng</a> <font color="Maroon" title="c3">f</font></span>)</span> )
 
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="ref" href="funct_6.html#D1" target="_self" title="FUNCT_6:def.1">Def1</a>, <a class="ref" href="funct_6.html#T51" target="_self" title="FUNCT_6:th.51">Th51</a>, <a class="ref" href="funct_6.html#T52" target="_self" title="FUNCT_6:th.52">Th52</a></i>;<br/>
<a NAME="E5:58"/><b>then </b><i><font color="Green" title="E38">A3</font></i>: 
<font color="Maroon" title="c1">x</font> <a href="hidden.html#R2" title="HIDDEN:pred.2">in</a>  <a href="relat_1.html#K1" title="RELAT_1:func.1">dom</a> <font color="Maroon" title="c5">h</font>
 
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="ref" href="funct_1.html#D13" title="FUNCT_1:def.13">FUNCT_1:def 13</a></i>;<br/>
<b>thus </b><font color="Maroon" title="c3">f</font> <a href="funct_6.html#K5" title="FUNCT_6:func.5">..</a> <font color="Maroon" title="c1">x</font>,<font color="Maroon" title="c2">y</font> = 
<font color="Maroon" title="c4">g</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c2">y</font>
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="txt" href="funct_6.html#E4:58"><i><font color="Green" title="E37">A2</font></i></a>, <a class="txt" href="funct_6.html#E50"><i><font color="Green" title="E30">Lm2</font></i></a></i>
<br/>.= 
<font color="Maroon" title="c5">h</font> <a href="funct_1.html#K1" title="FUNCT_1:func.1">.</a> <font color="Maroon" title="c1">x</font>
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="ref" href="funct_6.html#T54" target="_self" title="FUNCT_6:th.54">Th54</a></i>
<br/>.= 
<span class="p1"><a href="funct_6.html#K6" title="FUNCT_6:func.6">&lt;:</a><span class="default"><font color="Maroon" title="c3">f</font></span><a href="funct_6.html#K6" title="FUNCT_6:func.6">:&gt;</a></span> <a href="funct_6.html#K5" title="FUNCT_6:func.5">..</a> <font color="Maroon" title="c2">y</font>,<font color="Maroon" title="c1">x</font>
<b>by </b><i><a class="txt" href="funct_6.html#E1:58"><i><font color="Green" title="E36">A1</font></i></a>, <a class="txt" href="funct_6.html#E5:58"><i><font color="Green" title="E38">A3</font></i></a>, <a class="txt" href="funct_6.html#E50"><i><font color="Green" title="E30">Lm2</font></i></a></i>
;<br/>


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