Tue, 09 Feb 2010 16:07:09 +0100 | haftmann | simple proofs make life faster and easier | changeset | files |
Tue, 09 Feb 2010 14:32:16 +0100 | haftmann | merged | changeset | files |
Tue, 09 Feb 2010 11:47:47 +0100 | haftmann | hide fact names clashing with fact names from Group.thy | changeset | files |