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P ∨ ∼D

Question 66

Multiple Choice

P ∨ ∼D P ∨ ∼D A) MP-valid. B) HS-valid. C) MT-valid. D) DA-invalid. E) DS-valid.

A) MP-valid.
B) HS-valid.
C) MT-valid.
D) DA-invalid.
E) DS-valid.

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