Conditional probability


### Pipe | is typically read as ‘given that’ however can also indicate Conditional Probability
$$P(A|B) = P(A, B) / P(B)$$
최적값을 구하려고 하는 게 항상 조건에 간다
### Semicolon ; is grand kind of comma





> [What does a semicolon denote in the context of probability and statistics?](https://math.stackexchange.com/questions/2559085/what-does-a-semicolon-denote-in-the-context-of-probability-and-statistics)

> [What do vertical bars mean in statistical distributions?](https://stats.stackexchange.com/questions/110194/what-do-vertical-bars-mean-in-statistical-distributions)





