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Given the Argument: M ⊃ Q / M ∨ ∼

Question 62

Multiple Choice

Given the argument: M ⊃ Q / M ∨ ∼ Q // M • Q
This argument is:

A) Invalid; fails in 4^th line.
B) Valid.
C) Invalid; fails in 5^th line.
D) Invalid; fails in 2^nd line.
E) Invalid; fails in 3^rd line.

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