Equality
$$A \neq B$$
A is not equal to B
Subset
$$A \not\subseteq B$$
A is not a subset of or equal to B
Superset
$$A \not\supseteq B$$
A is not a superset of or equal to B
Intersection
$$A \cap B =$$
{ }
Union
$$A \cup B =$$
{ anchoring and adjustment, availability, distress, eustress, hyperstress, hypostress, representativeness }
Symmetric Difference
$$A \ominus B =$$
{ anchoring and adjustment, availability, distress, eustress, hyperstress, hypostress, representativeness }
Difference
$$A - B =$$
{ anchoring and adjustment, availability, representativeness }
Difference
$$B - A =$$
{ distress, eustress, hyperstress, hypostress }
Cartesian Product
$$A \times B =$$
{ (anchoring and adjustment, distress),
(anchoring and adjustment, eustress),
(anchoring and adjustment, hyperstress),
(anchoring and adjustment, hypostress),
(availability, distress),
(availability, eustress),
(availability, hyperstress),
(availability, hypostress),
(representativeness, distress),
(representativeness, eustress),
(representativeness, hyperstress),
(representativeness, hypostress) }
Heuristics in judgment and decision-making