Question 981474: Rules of implication, DeMorgan. commutativity, associatitivy, distrubution, double negation
~(~W&D)
A&(P&D)
/W
Someone please help me
Answer by Edwin McCravy(20054)   (Show Source):
You can put this solution on YOUR website!
1. ~(~W&D)
2. A&(P&D)
/W
3. ~~Wv~D 1, DeMorgan
4. Wv~D 3, double negation
5. (A&P)&D 2, association
6. D&(A&P) 5, commutation
7. D 6, simplification
8. ~~D 7, double negation
9. W 4,8, disjunctive syllogism
Edwin
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