| Thu, 12 Nov 2020 12:44:17 +0100 | nipkow | tuned | file | diff | annotate |
| 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 |
| Tue, 07 Jan 2020 06:43:09 +0100 | nipkow | tunded | file | diff | annotate |
| Sat, 28 Dec 2019 00:15:43 +0100 | nipkow | tuned | file | diff | annotate |
| Fri, 27 Dec 2019 10:54:15 +0100 | nipkow | tuned | 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 |
| Mon, 19 Aug 2019 16:49:24 +0200 | nipkow | tuned names | file | diff | annotate |
| Sun, 16 Sep 2018 15:16:04 +0200 | nipkow | more traditional formulation | 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 16:29:27 +0200 | nipkow | tuned order of arguments | file | diff | annotate |
| Sun, 08 Apr 2018 12:31:08 +0200 | nipkow | moved and renamed lemmas | file | diff | annotate |
| Sat, 07 Apr 2018 22:09:57 +0200 | nipkow | tuned | file | diff | annotate |
| Sat, 02 Dec 2017 16:50:53 +0000 | haftmann | more simplification rules | file | diff | annotate |
| Thu, 15 Jun 2017 11:11:36 +0200 | nipkow | tuned | file | diff | annotate |
| Wed, 14 Jun 2017 19:39:12 +0200 | nipkow | simplified delete/proof | file | diff | annotate |
| Sat, 28 Jan 2017 15:12:19 +0100 | nipkow | split balance into two, clearer etc | file | diff | annotate |
| Fri, 27 Jan 2017 17:35:08 +0100 | nipkow | tuned name | file | diff | annotate |
| Fri, 27 Jan 2017 17:28:10 +0100 | nipkow | removed unclear clause; slower but clearer | file | diff | annotate |
| Fri, 27 Jan 2017 12:32:49 +0100 | nipkow | removed contribution by Daniel Stuewe, too detailed. | file | diff | annotate |
| Thu, 26 Jan 2017 17:51:13 +0100 | nipkow | added concise log height bound lemma | file | diff | annotate |
| Wed, 25 Jan 2017 18:26:35 +0100 | nipkow | tuned | file | diff | annotate |
| Sun, 16 Oct 2016 09:31:05 +0200 | haftmann | more standardized theorem names for facts involving the div and mod identity | 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 |
| Sun, 06 Mar 2016 10:33:34 +0100 | nipkow | tuned | file | diff | annotate |
| Sun, 29 Nov 2015 19:01:54 +0100 | nipkow | RBT invariants for insert | file | diff | annotate |
| Fri, 27 Nov 2015 18:01:13 +0100 | nipkow | paint root black after insert and delete | file | diff | annotate |
| Sun, 15 Nov 2015 12:45:28 +0100 | nipkow | tuned white space | file | diff | annotate |
| Thu, 05 Nov 2015 18:38:08 +0100 | nipkow | tuned | file | diff | annotate |
| Thu, 05 Nov 2015 08:27:14 +0100 | nipkow | Convertd to 3-way comparisons | file | diff | annotate |
| Tue, 13 Oct 2015 17:06:37 +0200 | nipkow | added invar empty | 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 |