diff -r 165cd386288d -r 1b09880d9734 doc-src/Classes/Thy/document/Classes.tex
--- a/doc-src/Classes/Thy/document/Classes.tex	Tue Jun 29 07:55:18 2010 +0200
+++ b/doc-src/Classes/Thy/document/Classes.tex	Tue Jun 29 11:25:03 2010 +0200
@@ -1166,14 +1166,14 @@
 \hspace*{0pt} ~inverse ::~a -> a;\\
 \hspace*{0pt}{\char125};\\
 \hspace*{0pt}\\
-\hspace*{0pt}inverse{\char95}int ::~Integer -> Integer;\\
-\hspace*{0pt}inverse{\char95}int i = negate i;\\
+\hspace*{0pt}mult{\char95}int ::~Integer -> Integer -> Integer;\\
+\hspace*{0pt}mult{\char95}int i j = i + j;\\
 \hspace*{0pt}\\
 \hspace*{0pt}neutral{\char95}int ::~Integer;\\
 \hspace*{0pt}neutral{\char95}int = 0;\\
 \hspace*{0pt}\\
-\hspace*{0pt}mult{\char95}int ::~Integer -> Integer -> Integer;\\
-\hspace*{0pt}mult{\char95}int i j = i + j;\\
+\hspace*{0pt}inverse{\char95}int ::~Integer -> Integer;\\
+\hspace*{0pt}inverse{\char95}int i = negate i;\\
 \hspace*{0pt}\\
 \hspace*{0pt}instance Semigroup Integer where {\char123}\\
 \hspace*{0pt} ~mult = mult{\char95}int;\\
@@ -1241,9 +1241,9 @@
 \hspace*{0pt} ~type 'a group\\
 \hspace*{0pt} ~val monoid{\char95}group :~'a group -> 'a monoid\\
 \hspace*{0pt} ~val inverse :~'a group -> 'a -> 'a\\
-\hspace*{0pt} ~val inverse{\char95}int :~IntInf.int -> IntInf.int\\
+\hspace*{0pt} ~val mult{\char95}int :~IntInf.int -> IntInf.int -> IntInf.int\\
 \hspace*{0pt} ~val neutral{\char95}int :~IntInf.int\\
-\hspace*{0pt} ~val mult{\char95}int :~IntInf.int -> IntInf.int -> IntInf.int\\
+\hspace*{0pt} ~val inverse{\char95}int :~IntInf.int -> IntInf.int\\
 \hspace*{0pt} ~val semigroup{\char95}int :~IntInf.int semigroup\\
 \hspace*{0pt} ~val monoidl{\char95}int :~IntInf.int monoidl\\
 \hspace*{0pt} ~val monoid{\char95}int :~IntInf.int monoid\\
@@ -1275,11 +1275,11 @@
 \hspace*{0pt}val monoid{\char95}group = {\char35}monoid{\char95}group :~'a group -> 'a monoid;\\
 \hspace*{0pt}val inverse = {\char35}inverse :~'a group -> 'a -> 'a;\\
 \hspace*{0pt}\\
-\hspace*{0pt}fun inverse{\char95}int i = IntInf.{\char126}~i;\\
+\hspace*{0pt}fun mult{\char95}int i j = IntInf.+ (i,~j);\\
 \hspace*{0pt}\\
 \hspace*{0pt}val neutral{\char95}int :~IntInf.int = (0 :~IntInf.int);\\
 \hspace*{0pt}\\
-\hspace*{0pt}fun mult{\char95}int i j = IntInf.+ (i,~j);\\
+\hspace*{0pt}fun inverse{\char95}int i = IntInf.{\char126}~i;\\
 \hspace*{0pt}\\
 \hspace*{0pt}val semigroup{\char95}int = {\char123}mult = mult{\char95}int{\char125}~:~IntInf.int semigroup;\\
 \hspace*{0pt}\\