On Sun, Aug 2, 2009 at 4:27 AM, Kip Murray<[email protected]> wrote: > ... > Footnote: > > The empty is a subset (not an element) of every set. >
This fact suggests to me that the empty box that's been included as an element of the set-representations should be omitted. I think doing so would streamline this model, most obviously (as others have proposed) by allowing non-box arrays to stand as sets. A set could then be taken to be any array where (-: ~.) y. -- Tracy ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
