Use a Truth Table to Answer the Following Question $\begin{array} { l } A \cup B \\\frac { A } { ?B }\end{array}$

question 58

Multiple Choice

Use a truth table to answer the following question.Which, if any, set of truth values assigned to the atomic sentences shows that the following argument is invalid? $\begin{array} { l } A \cup B \\\frac { A } { ?B }\end{array}$

• A)A: T B: T
• B)A: T B: F
• C)A: F B: T
• D)A: F B: F
• E)None-the argument is valid.

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