what is the formula for n(AUBUCUD) /
Hi!
The formula of n (A U B U C U D) is given as:
n (A U B U C U D) = n (A) + n (B) + n (C) + n (D) – n (A ∩ B) – n (A ∩ C) – n (A ∩ D) – n (B ∩ C) – n (B ∩ D) – n (C ∩ D) + n (A ∩ B ∩ C) + n (A ∩ B ∩ D) + n (A ∩ C ∩ D) + n (B ∩ C ∩ D) – n (A ∩ B ∩ C ∩ D)
Cheers!