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(∼M ⊃ E) • (K ⊃ ∼C) K ∨ ∼M

Question 189

Multiple Choice

(∼M ⊃ E) • (K ⊃ ∼C) K ∨ ∼M
E ∨ ∼C

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

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