Fri, 24 Mar 2023 18:30:17 +0000 haftmann Tuned semicolons.
Mon, 20 Mar 2023 18:33:56 +0100 desharna reordered assumption and tuned proof of Multiset.bex_least_element and Multiset.bex_greatest_element
Mon, 20 Mar 2023 18:21:30 +0100 desharna added lemmas Finite_Set.bex_least_element and Finite_Set.bex_greatest_element
Mon, 20 Mar 2023 15:02:17 +0100 desharna refactored proofs
Mon, 20 Mar 2023 15:01:59 +0100 desharna added lemmas Finite_Set.bex_min_element and Finite_Set.bex_max_element
Mon, 20 Mar 2023 15:01:12 +0100 desharna reversed import dependency between Relation and Finite_Set; and move theorems around
Mon, 20 Mar 2023 11:13:01 +0100 wenzelm more operations;
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