Wed, 06 Mar 2013 16:10:56 +0100 | nipkow | major redesign: order instead of preorder, new definition of intervals as quotients | changeset | files |
Wed, 06 Mar 2013 14:10:07 +0100 | nipkow | added lemma | changeset | files |
Wed, 06 Mar 2013 12:17:52 +0100 | nipkow | extended numerals | changeset | files |
Tue, 05 Mar 2013 17:25:41 +0100 | wenzelm | merged | changeset | files |