| Tue, 28 Apr 2020 18:34:59 +0200 | nipkow | use abs(h l - h r) instead of 3 cases, tuned proofs | file | diff | annotate |
| Wed, 01 Apr 2020 21:48:39 +0200 | nipkow | simplified code and proofs | file | diff | annotate |
| Wed, 25 Sep 2019 17:22:57 +0200 | nipkow | replaced new type ('a,'b) tree by old type ('a*'b) tree. | file | diff | annotate |
| Wed, 13 Jun 2018 15:24:20 +0200 | nipkow | qualify interpretations to avoid clashes | file | diff | annotate |
| Tue, 12 Jun 2018 17:18:40 +0200 | nipkow | more abstract naming | file | diff | annotate |
| Tue, 12 Jun 2018 07:18:09 +0200 | nipkow | proved avl for map (finally); tuned | file | diff | annotate |
| Mon, 11 Jun 2018 16:29:27 +0200 | nipkow | tuned order of arguments | file | diff | annotate |
| Mon, 23 Apr 2018 08:09:50 +0200 | nipkow | del_max -> split_max | file | diff | annotate |
| Fri, 12 Jan 2018 14:08:53 +0100 | wenzelm | isabelle update_cartouches -c; | file | diff | annotate |
| Thu, 07 Jul 2016 18:08:02 +0200 | nipkow | got rid of class cmp; added height-size proofs by Daniel Stuewe | file | diff | annotate |
| Sat, 05 Dec 2015 16:33:20 +0100 | nipkow | avoid name clashes | file | diff | annotate |
| Mon, 16 Nov 2015 13:08:52 +0100 | nipkow | tuned names | file | diff | annotate |
| Fri, 13 Nov 2015 12:28:11 +0100 | nipkow | tuned name | file | diff | annotate |
| Thu, 05 Nov 2015 08:27:14 +0100 | nipkow | Convertd to 3-way comparisons | file | diff | annotate |
| Wed, 23 Sep 2015 09:47:04 +0200 | nipkow | added AVL and lookup function | file | diff | annotate |