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(L ⊃ ∼C) • (D ⊃ ∼Q)

Question 174

Multiple Choice

(L ⊃ ∼C) • (D ⊃ ∼Q) (L ⊃ ∼C) • (D ⊃ ∼Q) A) DA-invalid. B) CD-valid. C) Invalid. D) DD-valid. E) CD-invalid.


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

Correct Answer:

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