| Fri, 12 Jan 2018 14:08:53 +0100 | wenzelm | isabelle update_cartouches -c; | file | diff | annotate |
| Sat, 01 Nov 2014 14:20:38 +0100 | wenzelm | eliminated spurious semicolons; | file | diff | annotate |
| Sat, 15 Mar 2014 08:31:33 +0100 | haftmann | more complete set of lemmas wrt. image and composition | file | diff | annotate |