| 2009-12-12 | Cezary Kaliszyk | A bracket was missing; with it proved the 'definitely false' lemma. | file | diff | annotate |
| 2009-12-11 | Christian Urban | merged | file | diff | annotate |
| 2009-12-11 | Christian Urban | started to have a look at it; redefined the relation | file | diff | annotate |
| 2009-12-11 | Cezary Kaliszyk | Renaming | file | diff | annotate |
| 2009-12-11 | Cezary Kaliszyk | FSet3 minor fixes + cases | file | diff | annotate |
| 2009-12-11 | Cezary Kaliszyk | Added FSet3 with a formalisation of finite sets based on Michael's one. | file | diff | annotate |