Question: 4) Prove the following using natural deduction. Use the rules of inference. a) A(A v B) b) {A} (BA) B c) {A} (A^B) (A^B)

4) Prove the following using natural deduction. Use the rules of inference.

a) A(A v B)

b) {A} (BA) B

c) {A} (A^B) (A^B)

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