Sun, 01 Jan 2023 00:45:55 +0000 paulson Big simplifications of old proofs
Sat, 31 Dec 2022 11:09:19 +0000 paulson repaired a proof
Fri, 30 Dec 2022 23:21:37 +0000 paulson Continued proof simplifications
Fri, 30 Dec 2022 20:59:38 +0000 paulson merged
Fri, 30 Dec 2022 17:48:41 +0000 paulson A further round of proof consolidation
Fri, 30 Dec 2022 21:27:57 +0100 wenzelm tuned signature: avoid too many aliases;
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