Probability measure: Difference between revisions
→Definition
:<math>P(B \mid A) = \frac{P(A \cap B)}{P(A)}.</math>
satisfies the probability measure requirements so long as <math>P(A)</math> is not zero.<ref>''Probability, Random Processes, and Ergodic Properties'' by Robert M. Gray 2009 ISBN 1441910891 [http://books.google.com/books?id=xVbL8mZWl8C&pg=PA163 page 163]</ref>
Probability measures are distinct from the more general notion of [[Fuzzy measure theoryfuzzy measures]] in which there is no requirement that the fuzzy values sum up to 1, and the additive property is replaced by an order relation based on [[set inclusion]].
