src/HOL/Isar_examples/Group.thy
Fri, 30 Jul 1999 13:44:29 +0200 wenzelm renamed 'same' to '-';
Wed, 14 Jul 1999 13:07:09 +0200 wenzelm tuned comments;
Tue, 06 Jul 1999 21:11:34 +0200 wenzelm simp only;
less more (0) -3 tip