Fri, 31 Dec 2010 13:47:53 +0000 Rewritten of hard direction once more. To make it looking better.
wu [Fri, 31 Dec 2010 13:47:53 +0000] rev 28
Rewritten of hard direction once more. To make it looking better.
Tue, 14 Dec 2010 14:31:31 +0000 Add new file for the new definition of the hard direction's simplification.
wu [Tue, 14 Dec 2010 14:31:31 +0000] rev 27
Add new file for the new definition of the hard direction's simplification. Merging Operation is deleted All definitions are done. Proof still undone.
(0) -10 -2 +2 +10 +30 +100 +300 tip