Let's consider a propositional language where • A =Hiking is safe on the trail. • B =Berries are ripe along the trail. • C =Grizzly bears have been seen in the area. Formalize the following sentences: If berries are ripe along the trail, then hiking is safe only if grizzly bears have not been seen in this area. иберите один ответ: O a. A→ (~ BA~ C) O b. A→ (B →~ C) Ос. АЛ (~ Вл ~ С) O d. A→ (~ BV C)

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