Union
$$A \cup B =$$
{ characterize, distress, eustress, hyperstress, hypostress, organizing, receive, respond, value }
Symmetric Difference
$$A \ominus B =$$
{ characterize, distress, eustress, hyperstress, hypostress, organizing, receive, respond, value }
Difference
$$A - B =$$
{ characterize, organizing, receive, respond, value }
Difference
$$B - A =$$
{ distress, eustress, hyperstress, hypostress }
Cartesian Product
$$A \times B =$$
{ (characterize, distress),
(characterize, eustress),
(characterize, hyperstress),
(characterize, hypostress),
(organizing, distress),
(organizing, eustress),
(organizing, hyperstress),
(organizing, hypostress),
(receive, distress),
(receive, eustress),
(receive, hyperstress),
(receive, hypostress),
(respond, distress),
(respond, eustress),
(respond, hyperstress),
(respond, hypostress),
(value, distress),
(value, eustress),
(value, hyperstress),
(value, hypostress) }
Affect (psychology)