| Tue, 12 May 2020 10:59:59 +0200 | nipkow | "app" -> "join" for RBTs | file | diff | annotate |
| Fri, 21 Feb 2020 17:51:56 +0100 | nipkow | tuned deletion | 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 |
| Mon, 16 Sep 2019 18:00:27 +0200 | nipkow | tuned | 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 |
| Mon, 11 Jun 2018 20:45:51 +0200 | nipkow | tuned def. of del and proved preservation of rbt (finally) | file | diff | annotate |
| Mon, 11 Jun 2018 16:29:27 +0200 | nipkow | tuned order of arguments | file | diff | annotate |
| Sat, 28 Jan 2017 15:12:19 +0100 | nipkow | split balance into two, clearer etc | 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 |
| Fri, 27 Nov 2015 18:01:13 +0100 | nipkow | paint root black after insert and delete | file | diff | annotate |
| Mon, 16 Nov 2015 13:08:52 +0100 | nipkow | tuned names | file | diff | annotate |
| Thu, 05 Nov 2015 08:27:14 +0100 | nipkow | Convertd to 3-way comparisons | file | diff | annotate |
| Wed, 23 Sep 2015 09:14:22 +0200 | nipkow | tuned | file | diff | annotate |
| Tue, 22 Sep 2015 08:38:25 +0200 | nipkow | added red black trees | file | diff | annotate |