| Wed, 13 Nov 2024 20:10:34 +0100 | wenzelm | tuned proofs; | file | diff | annotate |
| Wed, 09 Oct 2024 23:38:29 +0200 | wenzelm | more inner-syntax markup; | file | diff | annotate |
| Fri, 20 Sep 2024 19:51:08 +0200 | wenzelm | standardize mixfix annotations via "isabelle update -a -u mixfix_cartouches" --- to simplify systematic editing; | file | diff | annotate |
| Wed, 03 Apr 2019 15:14:36 +0100 | paulson | Material concerning exact sequences of groups | file | diff | annotate |
| Tue, 03 Jul 2018 11:00:37 +0200 | wenzelm | more standard headers; | file | diff | annotate |
| Mon, 02 Jul 2018 22:40:25 +0100 | paulson | more algebra | file | diff | annotate |