<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">should produces the =
same result, say </FONT></SPAN>

<BR><SPAN LANG=3D"es">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT =
FACE=3D"Courier New">[A,B,C,D,E] :: [P] </FONT></SPAN>
</P>

<P><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">However, the =
expression 1)&nbsp; produces an error as a consequence of trying to =
apply toEnum to the number 5.</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">=BFWhy the =
expression 2) doesn't not produce the same error?</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">=BFDoes Hugs not =
apply the definition in the Prelude for evaluating the expression =
2)?</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">There should be =
something that I'm missing in this computation. </FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">Some =
hints?</FONT></SPAN>
</P>

<P><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">Thanks in =
advance,</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT FACE=3D"Times New Roman">Paqui</FONT></SPAN>
</P>

<P><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier =
New">--------------------------------- </FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Paqui =
Lucio&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Dpto de =
LSI&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Facultad de =
Inform=E1tica</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Paseo Manuel =
de Lardizabal, 1</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">20080-San =
Sebasti=E1n</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier =
New">SPAIN</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier =
New">---------------------------------</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">e-mail: =
***@ehu.es</FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Tfn: (+34) =
(9)43 015049&nbsp; </FONT></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier New">Fax: (+34) =
(9)43 015590</FONT></SPAN>

<BR><SPAN LANG=3D"en-gb"><FONT SIZE=3D2 FACE=3D"Courier New">Web: =
</FONT></SPAN><A HREF=3D"http://www.sc.ehu.es/paqui"><SPAN =
LANG=3D"en-gb"><U><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Courier =
New">http://www.sc.ehu.es/paqui</FONT></U></SPAN></A><SPAN =
LANG=3D"en-gb"></SPAN>

<BR><SPAN LANG=3D"es"><FONT SIZE=3D2 FACE=3D"Courier =
New">---------------------------------</FONT></SPAN><SPAN =
LANG=3D"es"></SPAN>
</P>

</BODY>
</HTML>
------=_NextPart_000_003B_01CB7467.D79E4B40--