X ∩ Y = {a, f}
(X \Y)U(Y \ Z) = ({b}U{} = {b})
X ∩ (Y∩Z) = X ∩ {a} = {a}
(X U Y) \ (X U Z) = {a, b, f} \ {a, b, e} = {f}
X U (Y∩Z) = {a, b, f, a} = {a, b, f}
Диаграммы Эйлера:
X ∩ Y
(X \ Y) U (Y \ Z)
X ∩ (Y ∩ Z)
(X U Y) \ (X U Z)
X U (Y ∩ Z)
X ∩ Y = {a, f}
(X \Y)U(Y \ Z) = ({b}U{} = {b})
X ∩ (Y∩Z) = X ∩ {a} = {a}
(X U Y) \ (X U Z) = {a, b, f} \ {a, b, e} = {f}
X U (Y∩Z) = {a, b, f, a} = {a, b, f}
Диаграммы Эйлера:
X ∩ Y
A = {a,b,f}B = {a,f}
A ∩ B = {a,f}
(X \ Y) U (Y \ Z)
A = {a,b,f}B = {a,f}
C = {a,b,e}
A \ B = {b}
B \ C = {}
(A \ B) U (B \ C) = {b}
X ∩ (Y ∩ Z)
A = {a,b,f}B = {a,f}
C = {a,b,e}
B ∩ C = {a}
A ∩ (B ∩ C) = {a}
(X U Y) \ (X U Z)
A = {a,b,f}B = {a,f}
C = {a,b,e}
(A U B) \ (A U C) = {a,b,f} \ {a,b,e} = {f}
X U (Y ∩ Z)
A = {a,b,f}B = {a,f}
C = {a,b,e}
B ∩ C = {a}
A U (B ∩ C) = {a,b,f}