Mon, 18 Apr 2016 20:43:37 +0200 wenzelm tuned signature;
Mon, 18 Apr 2016 20:24:19 +0200 wenzelm prefer internal attribute source;
Mon, 18 Apr 2016 16:50:19 +0100 paulson tidying some proofs; getting rid of "nonempty_witness"
Mon, 18 Apr 2016 15:51:48 +0100 paulson Merge
Mon, 18 Apr 2016 15:40:55 +0100 paulson numerous theorems about affine hulls, hyperplanes, etc.
Mon, 18 Apr 2016 15:41:08 +0200 wenzelm merged
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -6 +6 +10 +30 +100 +300 +1000 +3000 +10000 tip