Sun, 18 Dec 2016 13:46:57 +0100 wenzelm test parallel proof terms in this small session (somewhat slow for bigger applications);
Sun, 18 Dec 2016 13:07:13 +0100 wenzelm tuned messages -- more symbols;
Sun, 18 Dec 2016 12:34:31 +0100 wenzelm tuned;
Sun, 18 Dec 2016 12:32:20 +0100 wenzelm more permissive syntax;
Sat, 17 Dec 2016 15:22:14 +0100 haftmann reoriented congruence rules in non-explosive direction
Sat, 17 Dec 2016 15:22:14 +0100 haftmann more fine-grained type class hierarchy for div and mod
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