| Mon, 21 Sep 2009 10:53:01 +0200 | Cezary Kaliszyk | Merged with my changes from the morning: | file | diff | annotate |
| Sun, 20 Sep 2009 05:48:49 +0100 | Ning | some more beautification | file | diff | annotate |
| Sun, 20 Sep 2009 05:18:36 +0100 | Ning | beautification of some proofs | file | diff | annotate |
| Fri, 18 Sep 2009 17:30:33 +0200 | Cezary Kaliszyk | Added more useful quotient facts. | file | diff | annotate |