| 2010-02-11 | Christian Urban | typos fixed by Michael Norrish | file | diff | annotate |
| 2010-01-08 | Christian Urban | polished | file | diff | annotate |
| 2009-12-31 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| 2009-12-06 | Christian Urban | polised | file | diff | annotate |
| 2009-11-22 | Christian Urban | updated to new Isabelle and clarified Skip_Proof | file | diff | annotate |
| 2009-11-22 | Christian Urban | tuning | file | diff | annotate |
| 2009-11-19 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| 2009-11-11 | Christian Urban | updated to new Isabelle | file | diff | annotate |
| 2009-11-09 | Christian Urban | section about matching and unification of types | file | diff | annotate |
| 2009-11-07 | Christian Urban | added a section about unification and matching | file | diff | annotate |
| 2009-11-07 | Christian Urban | removed comment about compiler bug | file | diff | annotate |
| 2009-11-07 | Christian Urban | added type work and updated to Isabelle and poly 5.3 | file | diff | annotate |