Statement
=========

* P(A) : Probablities of A
* P(B) : Probablities of B
* P(A|B) : Conditional probablities of A given B
* P(B|A) : Conditional probablities of B given A

.. math:: P(A|B) = \frac{P(B|A)\, P(A)}{P(B)}\cdot