| Fri, 11 Feb 2011 12:13:35 +0000 | urbanc | slightly streamlined the proof | file | diff | annotate |
| Thu, 10 Feb 2011 21:00:40 +0000 | urbanc | simplified a bit the proof | file | diff | annotate |
| Thu, 10 Feb 2011 13:10:16 +0000 | urbanc | more things | file | diff | annotate |
| Thu, 10 Feb 2011 12:32:45 +0000 | urbanc | latest on the paper | file | diff | annotate |
| Thu, 10 Feb 2011 05:57:56 +0000 | urbanc | more on paper | file | diff | annotate |
| Wed, 09 Feb 2011 12:34:30 +0000 | urbanc | added Xingyuan's changes with the while combinator | file | diff | annotate |