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
$$A \cup B =$$
{ archaeology, archetypical, biological anthropology, cultural anthropology, empirical, linguistic anthropology, scientific }
Symmetric Difference
$$A \ominus B =$$
{ archaeology, archetypical, biological anthropology, cultural anthropology, empirical, linguistic anthropology, scientific }
Difference
$$A - B =$$
{ archaeology, biological anthropology, cultural anthropology, linguistic anthropology }
Difference
$$B - A =$$
{ archetypical, empirical, scientific }
Cartesian Product
$$A \times B =$$
{ (archaeology, archetypical),
(archaeology, empirical),
(archaeology, scientific),
(biological anthropology, archetypical),
(biological anthropology, empirical),
(biological anthropology, scientific),
(cultural anthropology, archetypical),
(cultural anthropology, empirical),
(cultural anthropology, scientific),
(linguistic anthropology, archetypical),
(linguistic anthropology, empirical),
(linguistic anthropology, scientific) }
Phenomenology (philosophy)