SOLUTION: Using Inference Rules Premise 1. (P * Q) > R Premise 2. (P * Q) V S Premise 3. ~ R Conclusion / S

Question 966638: Using Inference Rules
Premise 1. (P * Q) > R
Premise 2. (P * Q) V S
Premise 3. ~ R
Conclusion / S

Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
Using Inference Rules
Premise 1. (P * Q) > R
Premise 2. (P * Q) V S
Premise 3. ~ R
Conclusion / S

4. ~R > ~(P * Q)  1,CP
5. ~(P * Q)       4,3,MP
6. S              2,5,DS

Edwin

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