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
$$A \cup B =$$
{ Formal, Natural, Social, accomodator, assimilator, converger, diverger }
Symmetric Difference
$$A \ominus B =$$
{ Formal, Natural, Social, accomodator, assimilator, converger, diverger }
Difference
$$A - B =$$
{ Formal, Natural, Social }
Difference
$$B - A =$$
{ accomodator, assimilator, converger, diverger }
Cartesian Product
$$A \times B =$$
{ (Formal, accomodator),
(Formal, assimilator),
(Formal, converger),
(Formal, diverger),
(Natural, accomodator),
(Natural, assimilator),
(Natural, converger),
(Natural, diverger),
(Social, accomodator),
(Social, assimilator),
(Social, converger),
(Social, diverger) }
Branches of science