| Tue, 05 May 2009 03:21:49 +0200 | Christian Urban | fixed the problem with double definition of even and odd | file | diff | annotate |
| Sat, 11 Apr 2009 19:23:58 +0000 | Christian Urban | very slight polishing to the simple inductive chapter | file | diff | annotate |
| Wed, 01 Apr 2009 12:26:56 +0100 | Christian Urban | more work on the simple inductive chapter | file | diff | annotate |