Sun, 01 Apr 2012 19:04:52 +0200 wenzelm simplified;
Sun, 01 Apr 2012 18:01:19 +0200 wenzelm tuned signature;
Sun, 01 Apr 2012 15:23:43 +0200 wenzelm clarified Named_Target.target_declaration: propagate through other levels as well;
Sun, 01 Apr 2012 14:29:22 +0200 wenzelm Local_Theory.map_contexts with explicit level indication: 0 = main target at bottom;
Sun, 01 Apr 2012 09:12:03 +0200 huffman tuned proofs
Sat, 31 Mar 2012 22:45:46 +0200 huffman merged
Sat, 31 Mar 2012 20:09:24 +0200 huffman tuned proof
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -7 +7 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip