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Determine Whether the Given Proposition Is a Logical Truth or Not

Question 137

Multiple Choice

determine whether the given proposition is a logical truth or not. If it is not a logical truth, select a false valuation.
-[(G ⊃ H) ⊃ (I ⊃ J) ] ⊃ [(G ⊃ I) ⊃ (H ⊃ J) ]


A) Logical truth
B) Not a logical truth. False valuation when G, H, and I are true and J is false
C) Not a logical truth. False valuation when G and H are true and I and J are false
D) Not a logical truth. False valuation when H and I are true and G and J are false
E) Not a logical truth. False valuation when H is true and G, I, and J are false

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