skinny.

Latest / Futility Closet

Portrait

A problem from Joseph Madachy’s Mathematics on Vacation (1966): If these statements are all true, what can we deduce about Major Perkins? Only bleary-eyed military men ever try to shave with a toothbrush. No bleary-eyed military men are at all musical. Men who never try to shave with a toothbrush never play golf. Major Perkins plays the tuba on Wednesdays. Only musical people who are golfers forget to change their socks.

The skinny

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