SOLUTION: 1. ~P>[~P>(Q>P)] 2. ~P / :. ~Q

Question 1000819: 1. ~P>[~P>(Q>P)]
2. ~P / :. ~Q
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!


1. ~P>[~P>(Q>P)]
2. ~P                / :. ~Q

3. ~P>(Q>P)       1,2, modus ponens
4. Q>P            3,2, modus ponens
5. ~Q             4,2, modus tollens

Edwin

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