Thu, 08 Aug 2019 12:11:40 +0200 wenzelm prefer named lemmas -- more compact proofterms;
Thu, 08 Aug 2019 11:40:42 +0200 wenzelm tuned whitespace -- slightly more readable;
Thu, 08 Aug 2019 11:25:29 +0200 wenzelm clarified signature: fewer warnings in ML IDE;
Thu, 08 Aug 2019 10:50:23 +0200 wenzelm tuned;
Wed, 07 Aug 2019 18:23:32 +0200 wenzelm prefer named lemmas -- more compact proofterms;
Wed, 07 Aug 2019 17:43:48 +0200 wenzelm more compact proofterms;
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