| Wed, 25 Sep 2019 17:22:57 +0200 | nipkow | replaced new type ('a,'b) tree by old type ('a*'b) tree. | file | diff | annotate |
| Sat, 11 May 2019 22:19:28 +0200 | nipkow | tuned | file | diff | annotate |
| Sat, 11 May 2019 15:40:08 +0200 | nipkow | fixed theory name | file | diff | annotate |