Union
$$A \cup B =$$
{ avoidant, collaborative, competitive, dependent, galactic, independent, participative, planetary, stellar }
Symmetric Difference
$$A \ominus B =$$
{ avoidant, collaborative, competitive, dependent, galactic, independent, participative, planetary, stellar }
Difference
$$A - B =$$
{ avoidant, collaborative, competitive, dependent, independent, participative }
Cartesian Product
$$A \times B =$$
{ (avoidant, galactic),
(avoidant, planetary),
(avoidant, stellar),
(collaborative, galactic),
(collaborative, planetary),
(collaborative, stellar),
(competitive, galactic),
(competitive, planetary),
(competitive, stellar),
(dependent, galactic),
(dependent, planetary),
(dependent, stellar),
(independent, galactic),
(independent, planetary),
(independent, stellar),
(participative, galactic),
(participative, planetary),
(participative, stellar) }