[Probability Primer] {Measure theory}
(PP 1.1) Measure theory: Why measure theory - The Banach-Tarski Paradox
ball -> tear down to pieces -> rigid transformation (translation/rotation) -> two balls identical to the original one
two ways to resolve the paradox
(PP 1.2) Measure theory: Sigma-algebras
proof of 3:
(PP 1.3) Measure theory: Measures
![](https://img2018.cnblogs.com/blog/1327506/201906/1327506-20190607042509661-95279353.png)
(PP 1.4) Measure theory: Examples of Measures
![](https://img2018.cnblogs.com/blog/1327506/201906/1327506-20190607043027343-1962540585.png)
father of modern probability theory
three example of probability measure