| Mon, 14 Jan 2019 18:35:03 +0000 | haftmann | tuned proofs | file | diff | annotate |
| Thu, 15 Feb 2018 12:11:00 +0100 | wenzelm | more symbols; | file | diff | annotate |
| Tue, 16 Jan 2018 09:30:00 +0100 | wenzelm | standardized towards new-style formal comments: isabelle update_comments; | file | diff | annotate |