Question: 4. (1.8.10) Consider the following statement: There exists a positive integer x such that x = = Li-i. (a) Prove the above statement. (b) Is

4. (1.8.10) Consider the following statement: There exists a positive integer

4. (1.8.10) Consider the following statement: There exists a positive integer x such that x = = Li-i. (a) Prove the above statement. (b) Is your proof constructive or non-constructive

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