| Thu, 01 Feb 2001 20:53:13 +0100 | oheimb | converted to Isar, simplifying recursion on class hierarchy | file | diff | annotate |
| Thu, 18 Jan 2001 17:38:56 +0100 | oheimb | is_class and class now as defs (rather than translations); corrected Digest.thy | file | diff | annotate |