| 2009-10-25 | Christian Urban | polished | file | diff | annotate |
| 2009-10-13 | Christian Urban | tuned the ML-output mechanism; tuned slightly the text | file | diff | annotate |
| 2009-07-30 | Christian Urban | polished the package chapter used FOCUS to explain the subproofs | file | diff | annotate |
| 2009-07-21 | Christian Urban | tuned | file | diff | annotate |
| 2009-05-05 | Christian Urban | fixed the problem with double definition of even and odd | file | diff | annotate |
| 2009-04-11 | Christian Urban | very slight polishing to the simple inductive chapter | file | diff | annotate |
| 2009-04-01 | Christian Urban | more work on the simple inductive chapter | file | diff | annotate |
| 2009-03-31 | Christian Urban | more work on the inductive package | file | diff | annotate |