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Question 269
P ∨ G
A) CD-valid.B) Invalid.C) MT-valid.D) DD-valid.E) CD-invalid.
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Q264: ∼S ∨ ∼T Q265: G ⊃ ∼R Q266: D ∨ M Q267: ∼H ⊃ ∼B
Q265: G ⊃ ∼R Q266: D ∨ M Q267: ∼H ⊃ ∼B
Q266: D ∨ M Q267: ∼H ⊃ ∼B
Q267: ∼H ⊃ ∼B