src/HOL/Library/Multiset.thy
Mon, 23 Oct 2000 22:17:55 +0200 wenzelm intro_classes by default;
Thu, 19 Oct 2000 21:22:44 +0200 wenzelm improved typedef;
Wed, 18 Oct 2000 23:28:33 +0200 wenzelm Multisets (from HOL/Induct/Multiset and friends);
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