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Please help with solving a proof

Philosophy
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Please help with solving a proof, the third line is the conclusion. I can't figure it out. 

1. ~F -> (G&H) 

2. J -> `H 


J -> F
Mar 4th, 2015

1 ~F->(G&H)  Premise

  Fv(G&H)

  (FvG)&(FvH)

1.4  (FvH)  Decomposing a conjunction

1.5  ~H->F

2  J->~H  Premise

3 Concluton: J->F Law of syllogism 2, 1.5 is valid argument


Jun 1st, 2015

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