Question: 1. Use the rules of deduction in the Predicate Calculus to find a formal proof for the following sequent (without invoking sequent or theorem

1. Use the rules of deduction in the Predicate Calculus to find a formal proof for the following sequent (without invoking sequent or theorem introduction): 3x)(G(x) (H(x) ^ K(x))), (Vx)~K(x) + (3x) ~ G(x) (5 marks)

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