Frank Cross suggests:
>I'll bite. I can't immediately see any mathematical answer. But I
>would reason that the king is trying to create an equal test for each
>of the knights. To make the test equal, each must see the same
>thing.
>
No assumptions allowed in deduction!
---------------------------------------------------------------------
"Sacred cows make the best hamburger" (Mark Twain...?)
Keith A. Maxwell | Voice: 253 756 3703
Professor, Legal & Ethical Studies | Fax: 253 756 3500
University of Puget Sound | Internet: [log in to unmask]
Tacoma, WA 98416
http://www.ups.edu/faculty/maxwell/