6.8.23 Set Theory

Condition: sets \ (x = \ {a, c \}, \ quad y = \ {a, b, d \} \), \ (z = \ {b, c \} \), universe \ (u = \ {a, b, c, d \} \). Find a lot \ ((\ overLine {x \ backslash y}) \ cup (x \ cap z) \). Build a vein diagram for operations.