| Mon, 08 Feb 2010 17:12:38 +0100 | haftmann | renamed OrderedGroup to Groups; split theory Ring_and_Field into Rings Fields | file | diff | annotate |
| Fri, 05 Feb 2010 14:33:50 +0100 | haftmann | more consistent naming of type classes involving orderings (and lattices) -- c.f. NEWS | file | diff | annotate |
| Tue, 20 Oct 2009 19:52:04 +0200 | wenzelm | modernized session Metis_Examples; | file | diff | annotate | base |