Question 957000: Derive: R & M
1. ~(R & M) "if then symbol" (L & ~N)
2. N
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website!
1. ~(R & M) --> (L & ~N)
2. N
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3. N v ~L 2 Addition
4. ~(N & L) 3 De Morgan's Law
5. ~(L & N) 4 Commutation
6. ~~(R & M) 1,5 Modus Tollens
7. R & M 6 Double Negation
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