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by schemy 2139 days ago
A mathematician, physicist, and engineer are taking a math test. One question asks "Are all odd numbers prime?"

The mathematician thinks, "3 is prime, 5 is prime, 7 is prime, 9 is not prime -- nope, not all odd numbers are prime."

The physicist thinks, " 3 is prime, 5 is prime, 7 is prime, 9 is not prime -- that could be experimental error -- 11 is prime, 13 is prime, yes, they're all prime."

The engineer thinks, " 3 is prime, 5 is prime, 7 is prime, 9 is prime, 11 is prime, ..."

https://users.cs.northwestern.edu/~riesbeck/mathphyseng.html