| Fri, 17 Jun 2005 16:12:49 +0200 | haftmann | migrated theory headers to new format | file | diff | annotate |
| Fri, 26 Jan 2001 15:50:28 +0100 | nipkow | *** empty log message *** | file | diff | annotate |
| Wed, 10 Jan 2001 11:13:11 +0100 | paulson | now using "by" for one-line proofs | file | diff | annotate |