| Sat, 09 Mar 2019 13:24:59 +0100 | wenzelm | tuned proof; | file | diff | annotate |
| Mon, 24 Sep 2018 14:30:09 +0200 | nipkow | Prefix form of infix with * on either side no longer needs special treatment | file | diff | annotate |
| Tue, 16 Jan 2018 09:30:00 +0100 | wenzelm | standardized towards new-style formal comments: isabelle update_comments; | file | diff | annotate |