(B1∩A),(B2∩A),(B3∩A)(B1∩A),(B2∩A),(B3∩A)(B_1 \cap A), (B_2 \cap A), (B_3 \cap A) and (B4∩A)(B4∩A)(B_4 \cap A)
等于A1,A2,A3,A4
(B1∩A),(B2∩A),(B3∩A)(B1∩A),(B2∩A),(B3∩A)(B_1 \cap A), (B_2 \cap A), (B_3 \cap A) and (B4∩A)(B4∩A)(B_4 \cap A)
等于A1,A2,A3,A4
Generalized DeMorgans Laws 1.1.25
Ai全部相加为s(sample space) ex. (A1交集A2)的补集 = A1的补集 并集 A2的补集
𝑆
总和
Countably Infinite Union of Events
多个事件的交际与并集计算
sample space 𝑆
实验的确定集合数量
ℤ
Z属于整数