Thu, 18 Mar 2010 10:12:41 +0100 | Cezary Kaliszyk | Which proofs need a 'sorry'. | file | diff | annotate |
Thu, 18 Mar 2010 10:02:21 +0100 | Christian Urban | vixed variable names | file | diff | annotate |
Thu, 18 Mar 2010 09:31:31 +0100 | Christian Urban | simplified strong induction proof by using flip | file | diff | annotate |