Find all functions $ f: \mathbb{Q}^{+} \rightarrow \mathbb{Q}^{+}$ such that,
$$ f(x+1) = f(x) + 1 $$
and,
$$ f(x^2)=f(x)^2 $$
F.E. (You run out of these names fast)
Re: F.E. (You run out of these names fast)
A brief sketch of the solution.