SOLUTION: Given: If D then B If K then D K or C ~B Prove: C

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Question 693981: Given: If D then B
If K then D
K or C
~B
Prove: C
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

1.  D -> B
2.  K - > D
3.  K v C
4.  ~B                   :.    C
-------------------------------------
5.  ~D                        1,4     Modus Tollens
6.  ~K                        2,5     Modus Tollens
7.  C                         3,6     Disjunctive Syllogism