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Omni-MATH / Let f : mathbb Q to mathbb Q be a function such that for any x,y in mathbb Q, the number f(x+y)−f(x)−f(y) is an integer. Decide whether it follows that there exists a constant c su… · Discussion

Discussing Let f : mathbb Q to mathbb Q be a function such that for any x,y in mathbb Q, the number f(x+y)−f(x)−f(y) is an integer. Decide whether it follows that there exists a constant c su… · Omni-MATH

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