(Solved): 2)math 211 discrete mathematics please provide right answer for a thumbs up 2. P : Grizzly bears ha ...

2. $P$ : Grizzly bears have been seen in the area. $Q$ : Hiking is safe on the trail. $R$ : Berries are ripe along the trail. Write the following using $P,Q$, and $R$. (a) Either berries are not ripe along the trail, or grizzly bears have been seen in the area. (b) Berries are ripe along the trail, but grizaly bears have not been seen in the area. (c) If berries are ripe along the trail, hiking is safe if and only if grizzly bears have not been seen in the area.