\[P(A|B) = \frac{P(B|A)P(A)}{P(B)}\]

(Yudkowsky n.d.)

(Explained n.d.)

References

Explained, Better. n.d. “An Intuitive (and Short) Explanation of Bayes’ Theorem.” Accessed April 2, 2022. https://betterexplained.com/articles/an-intuitive-and-short-explanation-of-bayes-theorem/.
Yudkowsky, Eliezer. n.d. “An Intuitive Explanation of Bayes’ Theorem.” Accessed April 2, 2022. https://www.yudkowsky.net/rational/bayes.