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(J ⊃ ∼M) • (∼A ⊃ R)

Question 130

Multiple Choice

(J ⊃ ∼M) • (∼A ⊃ R) (J ⊃ ∼M) • (∼A ⊃ R) A) DD-valid. B) Invalid. C) CD-valid. D) MT-valid. E) CD-invalid.

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

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