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<b>let </b><font color="Maroon">I1</font> be    <a href="hidden.html#M1">set</a> ;<br/><b>let </b><font color="Maroon">I2</font> be  non <a href="xboole_0.html#V1">empty</a>  <a href="hidden.html#M1">set</a> , <font color="Maroon">I3</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">f</font> be   <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">I1</font>,<font color="Maroon">I2</font>;<br/><b>let </b><font color="Maroon">g</font> be   <a href="funct_2.html#NM1">Function</a> of <font color="Maroon">I2</font>,<font color="Maroon">I3</font>;<br/><b>let </b><font color="Maroon">B</font> be    <a href="pboole.html#M1">ManySortedSet</a> of <font color="Maroon">I2</font>;<br/><b>let </b><font color="Maroon">C</font> be    <a href="pboole.html#M1">ManySortedSet</a> of <font color="Maroon">I3</font>;<br/><b>let </b><font color="Maroon">G</font> be    <a href="functor0.html#M1" target="_self">MSUnTrans</a> of <font color="Maroon">g</font>,<font color="Maroon">B</font>,<font color="Maroon">C</font>;<br/>













<a NAME="E1:27"/><i><font color="Green">E20</font></i>: 
<font color="Maroon">C</font> <a href="pboole.html#K7">*</a> <span class="p1">(<span class="default"><font color="Maroon">g</font> <a href="partfun1.html#K1">*</a> <font color="Maroon">f</font></span>)</span> <a href="pboole.html#R6">=</a> <span class="p1">(<span class="default"><font color="Maroon">C</font> <a href="pboole.html#K7">*</a> <font color="Maroon">g</font></span>)</span> <a href="pboole.html#K7">*</a> <font color="Maroon">f</font>
 
<b>by </b><i><a class="ref" href="relat_1.html#T55">RELAT_1:55</a></i>;<br/>
<a NAME="E2:27"/>
<font color="Maroon">G</font> is    <a href="pboole.html#M3">ManySortedFunction</a> of <font color="Maroon">B</font>,<font color="Maroon">C</font> <a href="pboole.html#K7">*</a> <font color="Maroon">g</font>
 
<b>by </b><i/>;<br/>
<b>hence </b><a NAME="E3:27"/>
<font color="Maroon">G</font> <a href="pboole.html#K7">*</a> <font color="Maroon">f</font> is    <a href="pboole.html#M3">ManySortedFunction</a> of <font color="Maroon">B</font> <a href="pboole.html#K7">*</a> <font color="Maroon">f</font>,<font color="Maroon">C</font> <a href="pboole.html#K7">*</a> <span class="p1">(<span class="default"><font color="Maroon">g</font> <a href="partfun1.html#K1">*</a> <font color="Maroon">f</font></span>)</span>
 <b>by </b><i>, <a class="ref" href="altcat_2.html#T5">ALTCAT_2:5</a></i>; <i><font color="Red">:: according to </font></i><a class="ref" href="functor0.html#D5" target="_self">FUNCTOR0:def 5</a><br/>


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