Only print ∑ instead of ∑-{} when the set is universal.
authorKim Nguyễn <kn@lri.fr>
Mon, 4 Mar 2013 15:56:09 +0000 (16:56 +0100)
committerKim Nguyễn <kn@lri.fr>
Mon, 4 Mar 2013 18:02:02 +0000 (19:02 +0100)

No differences found