3 Validity and Invalidity Construct a complete truth table in order to determine whether the following arguments are valid. Be sure to indicate how you have arrived at your answer. 1. P→ Q; Q → (Q v R); ¬(Q v R).'. ¬P 2. ¬T V (S → R); ¬(¬T V R).'. ¬(¬S v ¬T)

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