Union
$$A \cup B =$$
{ choleric, existential, interpersonal, intrapersonal, kinesthetic, linguistic, logical, melancholic, musical, naturalistic, phlegmatic, sanguine, spatial }
Symmetric Difference
$$A \ominus B =$$
{ choleric, existential, interpersonal, intrapersonal, kinesthetic, linguistic, logical, melancholic, musical, naturalistic, phlegmatic, sanguine, spatial }
Cartesian Product
$$A \times B =$$
{ (existential, choleric),
(existential, melancholic),
(existential, phlegmatic),
(existential, sanguine),
(interpersonal, choleric),
(interpersonal, melancholic),
(interpersonal, phlegmatic),
(interpersonal, sanguine),
(intrapersonal, choleric),
(intrapersonal, melancholic),
(intrapersonal, phlegmatic),
(intrapersonal, sanguine),
(kinesthetic, choleric),
(kinesthetic, melancholic),
(kinesthetic, phlegmatic),
(kinesthetic, sanguine),
(linguistic, choleric),
(linguistic, melancholic),
(linguistic, phlegmatic),
(linguistic, sanguine),
(logical, choleric),
(logical, melancholic),
(logical, phlegmatic),
(logical, sanguine),
(musical, choleric),
(musical, melancholic),
(musical, phlegmatic),
(musical, sanguine),
(naturalistic, choleric),
(naturalistic, melancholic),
(naturalistic, phlegmatic),
(naturalistic, sanguine),
(spatial, choleric),
(spatial, melancholic),
(spatial, phlegmatic),
(spatial, sanguine) }
Theory of multiple intelligences