Mon, 26 Nov 2001 23:23:33 +0100 wenzelm gcd_dvd1 and gcd_dvd2 proven simultaneously;
Mon, 26 Nov 2001 18:34:17 +0100 wenzelm moved lemmas to theory Hilbert_Choice;
Mon, 26 Nov 2001 18:33:57 +0100 wenzelm tuned;
Mon, 26 Nov 2001 18:33:21 +0100 wenzelm added remdups_rl;
Mon, 26 Nov 2001 18:33:08 +0100 wenzelm clarified order of merge_lists';
Mon, 26 Nov 2001 17:48:22 +0100 wenzelm clarified order in gen_merge_lists';
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