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Given the Argument: K ⊃ (M ∨ ∼ H)

Question 320

Multiple Choice

Given the argument: K ⊃ (M ∨ ∼ H) / M ⊃ H / M ⊃ K // K ⊃ H
This argument is:

A) Invalid; fails in 1^st line.
B) Invalid; fails in 2^nd line.
C) Valid.
D) Invalid; fails in 4^th line.
E) Invalid; fails in 3^rd line.

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