SOLUTION: Derive: R & M 1. ~(R & M) "if then symbol" (L & ~N) 2. N

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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