Kip Murray wrote: > When I ran allsubsets I found isboxed and isempty in isemptyset undefined, > so I > renamed Dan's isEmpty and defined isboxed: >
Apologies, I forget to include load 'validate' which is so useful it testing validity of function domain, establishing the nature of an argument and elsewhere that I have included it in my profile. Fraser ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
