●●● ●●●● ●●●●● Conditional Probabilities Satisfy General ●●●● ●●●●● ●●●● Probability laws Properties probability laws P(A, UA2 B)<P(AB)+P(42 B) P(41UA2|B)=P(1|)+P(4B)-P(41∩42|B) Conditional probabilities can also be viewed as a probability law on a new universe b because all of the conditional probability is concentrated on BConditional Probabilities Satisfy General Probability Laws