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E ⊃ ∼A

Question 301

Multiple Choice

E ⊃ ∼A E ⊃ ∼A A) Invalid. B) DD-invalid. C) HS-valid. D) CD-valid. E) DS-valid.


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

Correct Answer:

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