Monday, May 31, 2010

Engineer, Physicist and a Mathematician on a train...

An engineer, a physicist, and a mathematician all travel by train through a different country and see a black sheep. the engineer says, "i guess the sheep in this country are black." the physicists says, "correction: some of the sheep are black." mathematician says, "correction: there is at least one sheep at least one side of which appears to be black."

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