| Thu, 25 Nov 1993 10:04:02 +0100 | nipkow | added "?!x.f(g(x))=x ==> ?!y.g(f(y))=y" | file | diff | annotate |
| Thu, 07 Oct 1993 10:29:23 +0100 | lcp | used ~= for "not equals" and ~: for "not in" | file | diff | annotate |
| Thu, 16 Sep 1993 12:21:07 +0200 | clasohm | Initial revision | file | diff | annotate |