Sashikanth Chandrasekaran wrote: > Isnt it true that if "y1 -: y2", then > "(x #^:_1 y1) -: (x #^:_1 y2)" ?
Only for non-empty y1 and y2. > Can someone suggest how I could go about finding out > the difference between the y1 and y2 that I extracted > from the larger array? Maybe I don't understand your question, but haven't you already identified such a mechanism? Here's a question for you: is it possible to have an empty collection of empty array jokes? Or would an empty collection of empty array jokes itself be an empty array joke, thus defeating the point? -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
