Union
$$A \cup B =$$
{ archery, be, calligraphy, chariotry, do, exist, feel, love, mathematics, music, rites, say, see, think }
Symmetric Difference
$$A \ominus B =$$
{ archery, be, calligraphy, chariotry, do, exist, feel, love, mathematics, music, rites, say, see, think }
Cartesian Product
$$A \times B =$$
{ (be, archery),
(be, calligraphy),
(be, chariotry),
(be, mathematics),
(be, music),
(be, rites),
(do, archery),
(do, calligraphy),
(do, chariotry),
(do, mathematics),
(do, music),
(do, rites),
(exist, archery),
(exist, calligraphy),
(exist, chariotry),
(exist, mathematics),
(exist, music),
(exist, rites),
(feel, archery),
(feel, calligraphy),
(feel, chariotry),
(feel, mathematics),
(feel, music),
(feel, rites),
(love, archery),
(love, calligraphy),
(love, chariotry),
(love, mathematics),
(love, music),
(love, rites),
(say, archery),
(say, calligraphy),
(say, chariotry),
(say, mathematics),
(say, music),
(say, rites),
(see, archery),
(see, calligraphy),
(see, chariotry),
(see, mathematics),
(see, music),
(see, rites),
(think, archery),
(think, calligraphy),
(think, chariotry),
(think, mathematics),
(think, music),
(think, rites) }
Bagua