Let A,B,CA, B, CA,B,C be three sets. Which of the following is always equivalent to (A∖B)∖(A∖C)(A \setminus B) \setminus (A \setminus C)(A∖B)∖(A∖C)?
A∖(B∪C)A \setminus (B \cup C)A∖(B∪C)
(A∩C)∖B(A \cap C) \setminus B(A∩C)∖B
(A∖B)∪C(A \setminus B) \cup C(A∖B)∪C
A∩(B∖C)A \cap (B \setminus C)A∩(B∖C)