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Re:Division By Three (2006) by ronaldx on Sunday April 27, 2014 @01:23PM (#7655908)
Since I made some genuine effort to answer the parent query, I would be curious to hear why I'm attracting significant downvotes?
Re:Division By Three (2006) by winstonsmith on Sunday April 27, 2014 @01:44PM (#7655987)
I don't know -- I didn't downvote you, but you might want to edit to indicate that x and y are not necessarily finite sets. (For finite sets, the result is trivial.)
Re:Division By Three (2006) by ronaldx on Sunday April 27, 2014 @01:45PM (#7655996)
Thanks. I think mjw's comment, and yours, now correctly cover this :)