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
$$A \cup B =$$
{ acceptance, anger, bargaining, critical, denial, depression, speculative grammar, speculative rhetoric }
Symmetric Difference
$$A \ominus B =$$
{ acceptance, anger, bargaining, critical, denial, depression, speculative grammar, speculative rhetoric }
Difference
$$A - B =$$
{ critical, speculative grammar, speculative rhetoric }
Difference
$$B - A =$$
{ acceptance, anger, bargaining, denial, depression }
Cartesian Product
$$A \times B =$$
{ (critical, acceptance),
(critical, anger),
(critical, bargaining),
(critical, denial),
(critical, depression),
(speculative grammar, acceptance),
(speculative grammar, anger),
(speculative grammar, bargaining),
(speculative grammar, denial),
(speculative grammar, depression),
(speculative rhetoric, acceptance),
(speculative rhetoric, anger),
(speculative rhetoric, bargaining),
(speculative rhetoric, denial),
(speculative rhetoric, depression) }
Charles Sanders Peirce