U={a,b,c,d,e,f,g,h}
P={a,b,c,d,e,f}
Q={b,e,d}
R={d,e,a,f}
1. P - Q=
2. P - R=
3. Q - R=
4. P' - Q=
5.Q' - R=
P={a,b,c,d,e,f}
Q={b,e,d}
R={d,e,a,f}
1. P - Q=
2. P - R=
3. Q - R=
4. P' - Q=
5.Q' - R=
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2. P - R = P ∩ R = {b}
3. Q - R = Q ∩ R' = {e}
4. P' - Q = P' - (P - {c, d}) = {b, c, d}
5. Q' - R = Q' - R ∩ Q = {a, f}