| Fri, 08 Jan 2010 10:08:01 +0100 | Cezary Kaliszyk | Proved concat_empty. | file | diff | annotate |
| Thu, 07 Jan 2010 16:51:38 +0100 | Cezary Kaliszyk | Replacing equivp by reflp in the assumptions leads to non-provable subgoals in the gen_pre lemmas. | file | diff | annotate |
| Thu, 07 Jan 2010 16:06:13 +0100 | Cezary Kaliszyk | some cleaning. | file | diff | annotate |
| Thu, 07 Jan 2010 15:50:22 +0100 | Cezary Kaliszyk | First generalization. | file | diff | annotate |