- #1
meleck
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Hi can anyone help me please or give me a strong hint?
I have to prove this:
If f(x) is a function from natural to natural Numbers and f(f(f(x))) is stricly increasing a polynomial than f(x) is also.
I have to prove this:
If f(x) is a function from natural to natural Numbers and f(f(f(x))) is stricly increasing a polynomial than f(x) is also.