Union
$$A \cup B =$$
{ beauty, crown, discovery, foundation, glory, kingdom, mercy, practical, severity, theoretical, understanding, victory, wisdom }
Symmetric Difference
$$A \ominus B =$$
{ beauty, crown, discovery, foundation, glory, kingdom, mercy, practical, severity, theoretical, understanding, victory, wisdom }
Difference
$$B - A =$$
{ beauty, crown, foundation, glory, kingdom, mercy, severity, understanding, victory, wisdom }
Cartesian Product
$$A \times B =$$
{ (discovery, beauty),
(discovery, crown),
(discovery, foundation),
(discovery, glory),
(discovery, kingdom),
(discovery, mercy),
(discovery, severity),
(discovery, understanding),
(discovery, victory),
(discovery, wisdom),
(practical, beauty),
(practical, crown),
(practical, foundation),
(practical, glory),
(practical, kingdom),
(practical, mercy),
(practical, severity),
(practical, understanding),
(practical, victory),
(practical, wisdom),
(theoretical, beauty),
(theoretical, crown),
(theoretical, foundation),
(theoretical, glory),
(theoretical, kingdom),
(theoretical, mercy),
(theoretical, severity),
(theoretical, understanding),
(theoretical, victory),
(theoretical, wisdom) }
Charles Sanders Peirce