Question: Need help with these problems. 2. Give formal proofs for each of the following tautologies by using the CP rule. a. A v B =

Need help with these problems. 2. Give formal proofs for each ofNeed help with these problems.

2. Give formal proofs for each of the following tautologies by using the CP rule. a. A v B = (-B (A^- B)) b. (BC)^A^B AAC

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