SOLUTION: 11) 1)A→(B→C) 2) ~C 3) ~D→A 4)C v~D Conclusion should by ~B, needs to be solved by using MP,MT,DS or,HS

Algebra ->  Proofs -> SOLUTION: 11) 1)A→(B→C) 2) ~C 3) ~D→A 4)C v~D Conclusion should by ~B, needs to be solved by using MP,MT,DS or,HS       Log On


   

Question 1011444: 11)
1)A→(B→C)
2) ~C
3) ~D→A
4)C v~D

Conclusion should by ~B, needs to be solved by using MP,MT,DS or,HS
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

1)A → (B → C)
2) ~C
3) ~D → A
4)C v ~D
.: ~B
----------------
5) ~D            4,2   DS
6) A             3,5   MP
7) B → C         1,6   MP
8) ~B            7,2   MT