Çözüldü The Inclusion - Exclusion Principle In Sets

A solved example from the University of California - San Diego:

https://i.ibb.co/C6kKFCN/UCSD-Sets.png
http://www.math.ucsd.edu/~m3xiao/math109/Solution-HW6.pdf
(Page 1)

Reference: https://math.la.asu.edu/~boerner/mat243/6.5 Inclusion-Exclusion.pdf