| Tue, 23 Oct 2001 22:52:31 +0200 | wenzelm | eliminated old numerals; | file | diff | annotate |
| Fri, 05 Oct 2001 21:52:39 +0200 | wenzelm | sane numerals (stage 1): added generic 1, removed 1' and 2 on nat, | file | diff | annotate |
| Mon, 05 Feb 2001 20:14:15 +0100 | oheimb | improved document (added headers etc) | file | diff | annotate |
| Thu, 01 Feb 2001 20:53:13 +0100 | oheimb | converted to Isar, simplifying recursion on class hierarchy | file | diff | annotate |