4 [4 points] Consider the sets A= { 2, 4, 5, 8, 10, 12} and B = { 1, 3, 10, 9}. Find
A \cap B =
A \cup B =
A - B =
A \oplus B =
5 [4 points] Use the set identities to prove the following identity. [hint: see section 3.5 under
additional problems]
$\bar{A} \cap \bar{B} = \bar{A \cup B}$