| Wed, 19 Jan 2011 07:06:47 +0100 | Christian Urban | defined height as a function that returns an integer | file | diff | annotate |
| Fri, 31 Dec 2010 13:31:39 +0000 | Christian Urban | added proper case names for all induct and exhaust theorems | file | diff | annotate |
| Fri, 31 Dec 2010 12:12:59 +0000 | Christian Urban | added small example for strong inductions; functions still need a sorry | file | diff | annotate |