| Fri, 08 Jan 2010 10:39:08 +0100 | Cezary Kaliszyk | Modifictaions for new_relation. | file | diff | annotate |
| Fri, 08 Jan 2010 10:08:01 +0100 | Cezary Kaliszyk | Proved concat_empty. | file | diff | annotate |
| Tue, 05 Jan 2010 14:09:04 +0100 | Christian Urban | added a new version of equiv_relation (is not yet used anywhere except in AbsRepTest) | file | diff | annotate |