Sun, 14 Jun 2015 23:22:08 +0200 wenzelm improved treatment of Element.Obtains via Expression.prepare_stmt;
Sun, 14 Jun 2015 20:10:21 +0200 wenzelm clarified context;
Sun, 14 Jun 2015 19:15:31 +0200 wenzelm tuned comment;
Sun, 14 Jun 2015 18:51:34 +0100 paulson another tangled proof
Sun, 14 Jun 2015 17:06:20 +0100 paulson Merge
Sun, 14 Jun 2015 17:05:27 +0100 paulson Tidied up more proofs
Sun, 14 Jun 2015 16:22:02 +0200 wenzelm merged
Sun, 14 Jun 2015 16:18:00 +0200 wenzelm more examples;
Sun, 14 Jun 2015 15:53:13 +0200 wenzelm tuned signature;
Sun, 14 Jun 2015 14:59:39 +0200 wenzelm tuned;
Sun, 14 Jun 2015 14:25:01 +0100 paulson another proof
Sun, 14 Jun 2015 12:48:32 +0100 paulson fixing more proofs
Sat, 13 Jun 2015 22:58:38 +0100 paulson Merge
Sat, 13 Jun 2015 22:57:31 +0100 paulson Merge
Sat, 13 Jun 2015 22:48:47 +0100 paulson fixed another horrible proof
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