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Omni-MATH / Determine all functions f:Z→Z with the property that f(x−f(y))=f(f(x))−f(y)−1 holds for all x,y∈Z. · Discussion

Discussing Determine all functions f:Z→Z with the property that f(x−f(y))=f(f(x))−f(y)−1 holds for all x,y∈Z. · Omni-MATH

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