| Fri, 15 Feb 2013 08:31:31 +0100 | haftmann | less customary term_of conversions; | file | diff | annotate |
| Sat, 24 Dec 2011 15:53:10 +0100 | haftmann | adjusted to set/pred distinction by means of type constructor `set` | file | diff | annotate |
| Sat, 23 Apr 2011 13:00:19 +0200 | wenzelm | modernized specifications; | file | diff | annotate |