| Wed, 10 Feb 2010 14:12:04 +0100 | haftmann | moved less_eq, less to Orderings.thy; moved abs, sgn to Groups.thy | file | diff | annotate |
| Wed, 10 Feb 2010 08:49:26 +0100 | haftmann | division ring assumes divide_inverse | file | diff | annotate |
| Mon, 08 Feb 2010 17:12:38 +0100 | haftmann | renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields | file | diff | annotate | base |