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
$$A \cup B =$$
{ affective (feelings), aquarius, cognitive (beliefs), conative (behavior), leo, scorpio, taurus }
Symmetric Difference
$$A \ominus B =$$
{ affective (feelings), aquarius, cognitive (beliefs), conative (behavior), leo, scorpio, taurus }
Difference
$$A - B =$$
{ affective (feelings), cognitive (beliefs), conative (behavior) }
Difference
$$B - A =$$
{ aquarius, leo, scorpio, taurus }
Cartesian Product
$$A \times B =$$
{ (affective (feelings), aquarius),
(affective (feelings), leo),
(affective (feelings), scorpio),
(affective (feelings), taurus),
(cognitive (beliefs), aquarius),
(cognitive (beliefs), leo),
(cognitive (beliefs), scorpio),
(cognitive (beliefs), taurus),
(conative (behavior), aquarius),
(conative (behavior), leo),
(conative (behavior), scorpio),
(conative (behavior), taurus) }
Astrological sign