| Tue, 08 Dec 2015 20:21:59 +0100 | nipkow | tightened invariant | file | diff | annotate |
| Sun, 06 Dec 2015 11:26:38 +0100 | nipkow | tuned | file | diff | annotate |
| Sat, 05 Dec 2015 16:13:28 +0100 | nipkow | added Brother12_Map | file | diff | annotate |
| Fri, 04 Dec 2015 14:39:31 +0100 | nipkow | added 1-2 brother trees | file | diff | annotate |