Hello, I’m having some trouble with this math problem that I received.. Hello,I’m having some trouble with this math problem that I received. I’m not entirely sure how to unpack the wording of the problem to get at what the problem is really asking of me, let alone where to start with it;Let A be a set. Prove that A is finite if and only if there is an injective function f : A ? {1,…,n} for some n ? N if and only if there is a surjective function f : {1,…,n} ? A for some n ? N.Thank you for your help.All the best
Hello, I’m having some trouble with this math problem that I received.