Week 2 discussion: Exersize set 2-3 #44
Find the cardinality of each set
U={a,b,c,d,e,f,w,x,y,z,1,3,4,5,6,7,8,9,10,11,12,13,14,15}
A={a,b,c,y,1,3,5,6,8,11}
B={b,d,w,z,1,5,6,9,10,12,15}
Solve: n(B')