Wed, 23 Nov 2022 09:54:53 +0100 | desharna | added lemmas irrefl_on_subset and irreflp_on_subset | changeset | files |
Mon, 21 Nov 2022 14:11:30 +0100 | desharna | introduced predicates irrefl_on and irreflp_on, and redefined irrefl and irreflp as abbreviations | changeset | files |
Mon, 05 Dec 2022 15:19:52 +0100 | wenzelm | tuned messages; | changeset | files |