Thu, 18 Feb 2010 08:17:12 +0100 | haftmann | drop code lemma for ordered_keys | changeset | files |
Wed, 17 Feb 2010 16:49:38 +0100 | haftmann | more lemmas about sort(_key) | changeset | files |
Wed, 17 Feb 2010 16:49:37 +0100 | haftmann | added ordered_keys | changeset | files |