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If you like this kind of thing, Brian Hayes (the author) has a whole book of similar mathematical anecdotes/puzzles: http://www.amazon.com/Group-Theory-Bedroom-
by dandelany 10y ago
If you like this kind of thing, Brian Hayes (the author) has a whole book of similar mathematical anecdotes/puzzles: http://www.amazon.com/Group-Theory-Bedroom-Mathematical-Diversions/dp/0809052172 http://www.amazon.com/Group-Theory-Bedroom-Mathematical-Dive...