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

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

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

Quizplus · Accepted Answer

The premises do not provide enough information to determine the validity of any particular argument. We cannot form any conclusion as to whether the argument is valid or invalid.