| Tue, 31 Mar 2015 21:54:32 +0200 | haftmann | given up separate type classes demanding `inverse 0 = 0` | file | diff | annotate |
| Thu, 19 Feb 2015 11:53:36 +0100 | haftmann | establish unique preferred fact names | file | diff | annotate |
| Fri, 04 Jul 2014 20:18:47 +0200 | haftmann | reduced name variants for assoc and commute on plus and mult | file | diff | annotate |