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Odd Numbers
A mathematician, a chemist, and an engineer are given an identical problem: "Prove that all odd numbers greater than 2 are prime numbers." They proceed:Mathematician: 3 is a prime, 5 is a prime, 7 is a prime, 9 is not a prime - counterexample - claim is false.
Engineer: 3 is a prime, 5 is a prime, 7 is a prime, 9 is a prime, 11 is a prime, ...
Chemist: 3 is a prime, 5 is a prime, 7 is a prime, 9 is an experimental error, 11 is a prime, ...
