| Tue, 16 Oct 2012 14:14:37 +0200 | wenzelm | more informative error for stand-alone 'qed'; | changeset | files |
| Tue, 16 Oct 2012 14:02:02 +0200 | wenzelm | further attempts to unify/simplify goal output; | changeset | files |
| Tue, 16 Oct 2012 13:06:40 +0200 | wenzelm | more informative error messages of initial/terminal proof methods; | changeset | files |