Question 309545
p -> q means if p, then q
p V q means p or q
~p means not p


so, if:
p: Jamie is on the train.
q: Sylvia is at the park.
r: Nigel is in the car.

 
(~r V q)-> ~p = If Jamie is not on the train or Sylvia is at the park, then Nigel is not in the car