INSTRUCTIONS: Use an ordinary truth table to answer the following problems. Construct the truth table as per the instructions in the textbook. Given the argument: A ? (B • ? C) / B ? (C ?
A) / C ? ? A // C ? ? B.
This argument is:
A) Invalid; fails in 6th line.
B) Valid.
C) Invalid; fails in 5th line.
D) Invalid; fails in 2nd line.
E) Invalid; fails in 3rd line.
C
Philosophy & Belief
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