SOLUTION: Hi, I was only given the assumption of ~B and then told to construct a proof with the conclusion of ~(A&B), and I was wondering if you could help me solve this? Thanks

SOLUTION: Hi, I was only given the assumption of ~B and then told to construct a proof with the conclusion of ~(A&B), and I was wondering if you could help me solve this? Thanks

Algebra.Com

Question 980047: Hi, I was only given the assumption of ~B and then told to construct a proof with the conclusion of ~(A&B), and I was wondering if you could help me solve this?
Thanks
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with ~B

Use the addition rule to get ~B v ~A

Then use commutation to get ~A v ~B

Finally use De Morgan's law to get ~(A & B)
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