Answer to Question #328264 in Discrete Mathematics for Leylin

Question

Answer and complete the truth tables to make a valid argument using Rule of Inference.

Modus Tollens If it is raining, I will need an umbrella. I won’t need an umbrella. ∴ It is not raining.

1) p q p → q ~q (p → q) Λ ~q ~p [(p → q) Λ ~q] → ~p

Answer 1

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