Question: Prove valid using the eighteen valid argument forms. P1. P > Q P2. (O * P) > (Q * R) P3. ~P v O P4.

Prove valid using the eighteen valid argument forms.

P1. P > Q

P2. (O * P) > (Q * R)

P3. ~P v O

P4. O > ~R

Conclusion: ~P v ~O

Do not use Conditional Proof and Indirect Proof

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