Can you help me determine what I am doing wrong in this proof? Is this sufficient? 
2026-03-27 16:53:57.1774630437
Prove that there are uncountably many surjective functions f : N → N
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Your proof is perfect.
Even more than sufficient, as you state once that $g$ is clearly surjective, as already its restriction to even numbers is so, and then in the end you spell it out again.