prove the following argument to be valid using the method of natural deduction
A. Directions. Prove the following argument to be valid using the method of Natural Deduction. Show your proofs clearly. Note that ‘/’ is used as the conclusion indicator. You may use any of the rules outlined in sections 7.1-7.3 of the Hurley book. Do not use Conditional Proof and do not use Indirect Proof.
A.2.
1. (O v S)
2. ~(B & O)
3. ~(S & B) / ~(B & P)