| Fri, 10 May 2013 10:23:34 +0800 | chunhan | finish delete_prop.thy | file | diff | annotate |
| Thu, 09 May 2013 11:19:44 +0800 | chunhan | fixed bugs in deleted definition | file | diff | annotate |
| Fri, 03 May 2013 08:20:21 +0100 | chunhan | thy files | file | diff | annotate |