On Sun, Apr 10, 2011 at 9:15 AM, Boyko Bantchev <[email protected]> wrote: > To start off, the Dictionary entry only says that identities like > the cited one are extended to certain cases. It does not say > whether that particular identity holds. And of course, for most > values of u and y, the identity does *not* hold. It is not a > general identity.
General identities cannot exist. Identity functions are only valid in domains which allow them. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
