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 						  The sets in σ-algebra F are called events. F is called to be the
 						  algebra of events. ==The triple (Ω, F , P ) is a probability space
 						  or probability triple.==
-						- $$P (∅) = 0.$$
-						- For every finite $$A1 , A2 , · · · , An$$,
-						  ![image.png](../assets/image_1686901672954_0.png)
-						- For every event A, $$P (A) = 1 − P (A)$$.
-						- If A ⊂ B, then P (B − A) = P (B) − P (A) and P (A) ⩽ P (B).
-						- ==For every two events A and B,==
-						  $$P (A ∪ B) = P (A) + P (B) − P (AB)$$
-						-
 					- Properties of Probability
 			- LATER 学积分
 			  :LOGBOOK: