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G ∨ ∼T

Question 56

Multiple Choice

G ∨ ∼T G ∨ ∼T A) MP-valid. B) CD-valid. C) DD-valid. D) Invalid. E) DD-invalid.

A) MP-valid.
B) CD-valid.
C) DD-valid.
D) Invalid.
E) DD-invalid.

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