| Tue, 11 Mar 2025 10:20:44 +0100 | desharna | changed definition of refl_on | file | diff | annotate |
| 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, 27 Mar 2024 18:29:32 +0100 | desharna | tuned proofs of Equiv_Relations.equiv | file | diff | annotate |
| Tue, 28 Feb 2023 11:19:47 +0000 | paulson | Fixed a presentation error | file | diff | annotate |
| Mon, 27 Feb 2023 17:09:59 +0000 | paulson | Importation of basic group theory results, due to Jakob von Raumer from his AFP entry Jordan-Hölder Theorem | file | diff | annotate |