SOLUTION: Stuck on this problem:
1. ~A > (M > A)
2. (Z > M) • (X = R)
3. ~A
/ ~Z v I
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Question 1090491: Stuck on this problem:
1. ~A > (M > A)
2. (Z > M) • (X = R)
3. ~A
/ ~Z v I
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
| Number | Statement | Lines Used | Reason |
|---|
| 1 | ~A > (M > A) | | |
| 2 | (Z > M) & (X = R) | | |
| 3 | ~A | | |
| :. | ~Z v I | | |
| 4 | M > A | 1,3 | Modus Ponens |
| 5 | ~M | 4,3 | Modus Tollens |
| 6 | Z > M | 2 | Simplification |
| 7 | ~Z | 6,5 | Modus Tollens |
| 8 | ~Z v I | 7 | Addition |
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