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
$$A \cup B =$$
{ agreeableness, conscientiousness, eukaryote, extraversion, neuroticism, openness, prokaryote }
Symmetric Difference
$$A \ominus B =$$
{ agreeableness, conscientiousness, eukaryote, extraversion, neuroticism, openness, prokaryote }
Difference
$$A - B =$$
{ agreeableness, conscientiousness, extraversion, neuroticism, openness }
Difference
$$B - A =$$
{ eukaryote, prokaryote }
Cartesian Product
$$A \times B =$$
{ (agreeableness, eukaryote),
(agreeableness, prokaryote),
(conscientiousness, eukaryote),
(conscientiousness, prokaryote),
(extraversion, eukaryote),
(extraversion, prokaryote),
(neuroticism, eukaryote),
(neuroticism, prokaryote),
(openness, eukaryote),
(openness, prokaryote) }
Big Five personality traits