| Thu, 08 Dec 2005 12:50:04 +0100 | wenzelm | tuned sources and proofs | file | diff | annotate |
| Tue, 12 Jul 2005 17:56:03 +0200 | avigad | added lemmas to OrderedGroup.thy (reasoning about signs, absolute value, triangle inequalities) | file | diff | annotate |
| Thu, 07 Jul 2005 12:39:17 +0200 | nipkow | linear arithmetic now takes "&" in assumptions apart. | file | diff | annotate |