Question: 2. Prove that for any positive integer k, where k>1, if k is not a prime number then 2k-1 is also not a prime number.[6]

2. Prove that for any positive integer k, where k>1, if

2. Prove that for any positive integer k, where k>1, if k is not a prime number then 2k-1 is also not a prime number.[6] 3. The following premises are given [6] Premise 1: M (NA-0) Premise 2: QM Premise 3: QV-O Now prove that they draw the conclusion: -0

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