Probable Worlds
Probabilistic semantics:
n A set of possible worlds
course difficulty
hard
smart
A
hard
weak
A
easy
smart
A
easy
weak
A
student intell.
grade
hard
smart
B
hard
weak
B
easy
smart
B
easy
weak
B
hard
smart
C
hard
weak
C
easy
smart
C
easy
weak
C