| Tue, 21 Jun 1994 17:20:34 +0200 | lcp | Addition of cardinals and order types, various tidying | file | diff | annotate |
| Fri, 17 Sep 1993 16:16:38 +0200 | lcp | Installation of new simplifier for ZF. Deleted all congruence rules not | file | diff | annotate |
| Thu, 16 Sep 1993 12:20:38 +0200 | clasohm | Initial revision | file | diff | annotate |