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D ∨ ∼E

Question 303

Multiple Choice

D ∨ ∼E D ∨ ∼E A) AC-invalid. B) DS-invalid. C) Invalid. D) MP-valid. E) HS-valid.


A) AC-invalid.
B) DS-invalid.
C) Invalid.
D) MP-valid.
E) HS-valid.

Correct Answer:

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