| 1999-04-23 | paulson | Now for recdefs that omit the WF relation; | file | diff | annotate |
| 1997-06-23 | paulson | Removal of COND_CONG, which is just if_cong RS eq_reflection | file | diff | annotate |
| 1997-05-22 | paulson | New headers and other minor changes | file | diff | annotate |
| 1997-05-20 | paulson | Removal of redundant code (unused or already present in Isabelle. | file | diff | annotate |
| 1996-10-18 | paulson | Konrad Slind's TFL | file | diff | annotate |