Union
$$A \cup B =$$
{ annotate, archery, calligraphy, chariotry, encode, mathematics, music, ponder, read, rites }
Symmetric Difference
$$A \ominus B =$$
{ annotate, archery, calligraphy, chariotry, encode, mathematics, music, ponder, read, rites }
Difference
$$A - B =$$
{ archery, calligraphy, chariotry, mathematics, music, rites }
Cartesian Product
$$A \times B =$$
{ (archery, annotate),
(archery, encode),
(archery, ponder),
(archery, read),
(calligraphy, annotate),
(calligraphy, encode),
(calligraphy, ponder),
(calligraphy, read),
(chariotry, annotate),
(chariotry, encode),
(chariotry, ponder),
(chariotry, read),
(mathematics, annotate),
(mathematics, encode),
(mathematics, ponder),
(mathematics, read),
(music, annotate),
(music, encode),
(music, ponder),
(music, read),
(rites, annotate),
(rites, encode),
(rites, ponder),
(rites, read) }
Six Arts