| Wed, 06 May 2020 10:46:19 +0200 | nipkow | tuned | file | diff | annotate |
| Tue, 05 May 2020 20:32:57 +0200 | nipkow | tuned proofs | file | diff | annotate |
| Tue, 28 Apr 2020 18:34:59 +0200 | nipkow | use abs(h l - h r) instead of 3 cases, tuned proofs | file | diff | annotate |
| Sat, 25 Apr 2020 16:31:43 +0200 | nipkow | added Height_Balanced_Trees | file | diff | annotate |