
6.8.30 Set Theory
Condition: transfer this drawing to a notebook and shake a set set on it. \ ([(A \ backslash b) \ cup (b \ backslash c) \ cup (c \ backslash a)] \ backslash \) \ (\ backslash [(a \ cup b) \ cap (b \ cup c) \ cap (c \ cup a)]]]]]]]]]]]] \)