Suppose we have a proof with the following proof header: Let æ be an arbitrary natural number. Assume that x is greater than 3 and that x is even (i.e., that 2 divides x). We will now prove that Q(x) is true. [...proof body omitted..] What is the statement being proven? 30N, ε >3Λ2 | πΛ Q(x) Vx E N, x > 3 ^ 2 | x = Q(x) Vx E N, x > 3 A 2 | x ^ Q(x) O Q(x) O Væ e N, Q(x)

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Q: if |z² + 1| = 2| z+1|  z e C then | z|  <= sqrt*7 Prove.

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Q: Detailed

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