src/HOL/Isar_examples/BasicLogic.thy
Fri, 20 Aug 1999 15:42:46 +0200 wenzelm intro (no +);
Tue, 17 Aug 1999 17:34:43 +0200 wenzelm intro+;
Fri, 30 Jul 1999 13:44:29 +0200 wenzelm renamed 'same' to '-';
less more (0) -3 tip