Union
$$A \cup B =$$
{ abysmal, anagogical, arousing, clinging, creative, gentle, joyous, literal, moral, receptive, still, typological }
Symmetric Difference
$$A \ominus B =$$
{ abysmal, anagogical, arousing, clinging, creative, gentle, joyous, literal, moral, receptive, still, typological }
Difference
$$A - B =$$
{ abysmal, arousing, clinging, creative, gentle, joyous, receptive, still }
Cartesian Product
$$A \times B =$$
{ (abysmal, anagogical),
(abysmal, literal),
(abysmal, moral),
(abysmal, typological),
(arousing, anagogical),
(arousing, literal),
(arousing, moral),
(arousing, typological),
(clinging, anagogical),
(clinging, literal),
(clinging, moral),
(clinging, typological),
(creative, anagogical),
(creative, literal),
(creative, moral),
(creative, typological),
(gentle, anagogical),
(gentle, literal),
(gentle, moral),
(gentle, typological),
(joyous, anagogical),
(joyous, literal),
(joyous, moral),
(joyous, typological),
(receptive, anagogical),
(receptive, literal),
(receptive, moral),
(receptive, typological),
(still, anagogical),
(still, literal),
(still, moral),
(still, typological) }
Allegory in the Middle Ages