Question: Please answer all question Question 1. 3 MARKS) Syntactic proofs will NOT be accepted in this question! Through truth tables or related short cuts show

Please answer all question Please answer all question Question 1. 3 MARKS)

Question 1. 3 MARKS) Syntactic proofs will NOT be accepted in this question! Through truth tables or related short cuts show that, for any formulas A and B, we have A F Biff Emu AB Question 2. Prove that the following are not wff. The proof in each case must be by analysing either formula constructions, or the recursive definition of formulas. (a) (4 MARKS) (p) (b) (2 MARKS) (0) Question 3. (5 MARKS) Give an Equational proof of 1 T. Limitations to allowed tools: May NOT use: Post's Theorem Deduction Theorem Resolution Cut Rule Hilbert style proof Use of any of the listed above tools will entail that O MARKS will be earned in this

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