SOLUTION: 1. (A v B) > ~C 2. C v D 3. A Conclusion: D

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Question 684441: 1. (A v B) > ~C
2. C v D
3. A
Conclusion: D
Answer by jim_thompson5910(35256) About Me  (Show Source):
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1.   (A v B) > ~C
2.   C v D
3.   A                    :. D
-----------------------------------
4.   A v B                3,    Addition
5.   ~C                   1,4   Modus Ponens
6.   D                    2,5   Disjunctive Syllogism