SOLUTION: Can somebody complete the proof for me? I'm having trouble deriving it... 1. (R > O) > ~O 2. B > O 3. R > B Conclusion: ~B Help please.

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Question 979778: Can somebody complete the proof for me? I'm having trouble deriving it...
1. (R > O) > ~O
2. B > O
3. R > B
Conclusion: ~B
Help please.

Answer by Edwin McCravy(20065)   (Show Source): You can put this solution on YOUR website!
Can somebody complete the proof for me? I'm having trouble deriving it...
1. (R > O) > ~O
2. B > O
3. R > B
Conclusion: ~B
Help please.
4. R > O       3,2,HS
5. ~O          1,4,MP
6. ~B          2,5,MT

Edwin

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