Sun, 20 Oct 2019 16:16:23 +0200 wenzelm option to export standardized proof terms (not scalable);
Sun, 20 Oct 2019 12:56:36 +0200 wenzelm more kinds, notably for Isabelle/MMT;
Sat, 19 Oct 2019 20:41:09 +0200 haftmann refined proof of concept for bit operations
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