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The many sages (Posted on 2004-04-13) Difficulty: 3 of 5
This is a generalisation of "The three sages"

On a hot summer day, n equally bright philosophers, tired from all that philosophising, were napping in an orchard. A prankster came by, and painted all of their faces black with charcoal.

When the philosophers woke up, they started laughing at the others... until they suddenly realised all of their faces must be black!

How did they come to that conclusion?

See The Solution Submitted by e.g.    
Rating: 2.3636 (11 votes)

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Question re: Many Sages | Comment 11 of 24 |
(In reply to Many Sages by Brian Smith)

But what is a valid unit of time in which successive levels of realization takes place?
  Posted by Charlie on 2004-04-13 14:10:09

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