Question: 2. Use the truth-tree method to determine whether the following set of sentences is truth-functionally valid/invalid. Make sure to state your result. (3 points) 1.

2. Use the truth-tree method to determine whether the following set

2. Use the truth-tree method to determine whether the following set of sentences is truth-functionally valid/invalid. Make sure to state your result. (3 points) 1. (D=~G). G, [G v (( AD). A)] > ~D 2. (G=H) v (~G= H) 3. Bv(A.~C), (C v A) = B, ~B v A /G3 ~D /(~G=~H) v~(G=H) |(A v C) 2. Use the truth-tree method to determine whether the following set of sentences is truth-functionally valid/invalid. Make sure to state your result. (3 points) 1. (D=~G). G, [G v (( AD). A)] > ~D 2. (G=H) v (~G= H) 3. Bv(A.~C), (C v A) = B, ~B v A /G3 ~D /(~G=~H) v~(G=H) |(A v C)

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