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Question 6 (6 marks) Give a formal proof that the following argument form is valid. Could someone please help me with this? 6. (6 marks)

Question 6 (6 marks) Give a formal proof that the following argument form is valid.

Could someone please help me with this?

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6. (6 marks) Give a formal proof that the following argument form is valid. yz, (P(x) Q(x)) Va, (~ S(x) ~ Q(z))

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