| Mon, 27 Jun 2011 22:51:42 +0100 | Christian Urban | streamlined the fcb-proof and made fcb1 a special case of fcb | changeset | files |
| Mon, 27 Jun 2011 19:22:10 +0100 | Christian Urban | completed proof in Classical; the fcb lemma works for any list of atoms (despite what was written earlier) | changeset | files |