| 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 |
| Fri, 01 Jun 2018 13:32:44 +0200 | nipkow | added lemma | file | diff | annotate |
| Tue, 29 May 2018 20:01:50 +0200 | nipkow | slicker proof | file | diff | annotate |
| Mon, 23 Apr 2018 08:09:50 +0200 | nipkow | del_max -> split_max | file | diff | annotate |
| Sun, 08 Apr 2018 12:31:08 +0200 | nipkow | moved and renamed lemmas | file | diff | annotate |
| Sun, 08 Apr 2018 09:46:33 +0200 | nipkow | better name; added binary operations | file | diff | annotate |