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Symbolize and run truth tables for 1-5.
Use the following key to symbolize:
J: There are jackals on the stairs.
E: There are jackals in the elevator.
M: Mary is happy.
T: Tom is scared.
B: Bruce is angry.
W: There are wolves in the walls.
1) There are jackals on the stairs and in the elevator and Tom is scared.
2) If there are jackals on the stairs, then they are not on the elevator and Mary is
3) Either it is the case that, if there are jackals on the stairs, Bruce is angry or it is the
case that if there are wolves in the walls, then there are no jackals on the stairs.
4) Tom is scared if, and only if, there are jackals in the elevator and if, and only if, there
are jackals on the stairs.
5) Mary is not happy and Tom is scared, if there are no wolves in the walls.
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