Kip, I love your simple description. I think it is a major contribution to explaining the distinction.
PS
I could not help myself from rewriting your g as g1, but your g is
much better for your description.
g1 =: (2 * *)+/@, ,&*:
--
(B=)
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
