| Sun, 02 Nov 2014 17:20:45 +0100 | wenzelm | modernized header; | file | diff | annotate |
| Thu, 07 May 2009 16:22:34 +0200 | haftmann | better to have distinguished class for preorders | file | diff | annotate |
| Thu, 07 May 2009 12:17:17 +0200 | haftmann | added theory for explicit equivalence relation in preorders | file | diff | annotate |