Unless I miss something, "np-complete" is used correctly, and "hard" is only used incorrectly if you interpret it as "np-hard". That said, the answer is probab

Unless I miss something, "np-complete" is used correctly, and "hard" is only used incorrectly if you interpret it as "np-hard". That said, the answer is probably "yes, partially", although YMMV as to whether that's misleading or humorous.