| Sat, 24 Oct 2009 08:09:09 +0200 | cek | Better tactic and simplified the proof further | file | diff | annotate |
| Fri, 23 Oct 2009 16:01:13 +0200 | Cezary Kaliszyk | eqsubst_tac | file | diff | annotate |
| Thu, 22 Oct 2009 15:44:16 +0200 | Cezary Kaliszyk | Removed an assumption | file | diff | annotate |