| Wed, 26 Jul 1995 17:35:23 +0200 | lcp | Many small changes to make proofs run faster | file | diff | annotate |
| Tue, 25 Jul 1995 17:31:53 +0200 | lcp | Numerous small improvements by KG and LCP | file | diff | annotate |
| Thu, 18 May 1995 11:51:23 +0200 | lcp | Krzysztof Grabczewski's (nearly) complete AC proofs | file | diff | annotate |