Mon, 19 Feb 2018 18:01:36 +0100 wenzelm clarified modules;
Mon, 19 Feb 2018 16:24:17 +0100 wenzelm clarified modules;
Mon, 19 Feb 2018 15:46:10 +0100 wenzelm tuned;
Mon, 19 Feb 2018 15:41:17 +0100 wenzelm tuned;
Mon, 19 Feb 2018 14:49:11 +0100 wenzelm tuned signature;
Mon, 19 Feb 2018 14:30:06 +0100 wenzelm tuned: more accurate transfer;
Mon, 19 Feb 2018 14:26:37 +0100 wenzelm store facts as lazy values;
Mon, 19 Feb 2018 14:18:29 +0100 wenzelm clarified operations;
Mon, 19 Feb 2018 11:29:08 +0100 wenzelm misc tuning and clarification;
Mon, 19 Feb 2018 11:13:25 +0100 wenzelm clarified signature;
Mon, 19 Feb 2018 10:35:53 +0100 wenzelm clarified modules;
Mon, 19 Feb 2018 10:05:37 +0100 wenzelm more operations;
Mon, 19 Feb 2018 13:56:16 +0100 nipkow added lemma
Sun, 18 Feb 2018 20:08:21 +0100 wenzelm tuned;
Sun, 18 Feb 2018 19:49:01 +0100 wenzelm clarified signature;
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