Wed, 28 Dec 2022 16:14:37 +0100 wenzelm omit pointless guard: ultimately observed by Isabelle_Process.report_message;
Wed, 28 Dec 2022 16:13:08 +0100 wenzelm tuned signature;
Wed, 28 Dec 2022 16:02:12 +0100 wenzelm clarified modules;
Wed, 28 Dec 2022 15:25:37 +0100 wenzelm tuned;
Wed, 28 Dec 2022 14:52:03 +0100 wenzelm tuned signature;
Wed, 28 Dec 2022 14:40:39 +0100 wenzelm tuned;
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