src/HOL/AxClasses/Tutorial/Group.thy
changeset 8922 490637ba1d7f
parent 8920 af5e09b6c208
child 9363 86b48eafc70d
--- a/src/HOL/AxClasses/Tutorial/Group.thy	Mon May 22 16:03:43 2000 +0200
+++ b/src/HOL/AxClasses/Tutorial/Group.thy	Mon May 22 16:04:32 2000 +0200
@@ -92,7 +92,7 @@
 qed;
 
 
-subsection {* Concrete instantiation \label{sec:inst-arity} *};
+subsection {* Concrete instantiation *};
 
 defs
   times_bool_def:   "x [*] y == x ~= (y::bool)"