Union
$$A \cup B =$$
{ cell division, generosity, interphase, listening, metal development, rejoicing, respect, resting, restraint, service, sharing of merit, teaching, understanding }
Symmetric Difference
$$A \ominus B =$$
{ cell division, generosity, interphase, listening, metal development, rejoicing, respect, resting, restraint, service, sharing of merit, teaching, understanding }
Difference
$$A - B =$$
{ generosity, listening, metal development, rejoicing, respect, restraint, service, sharing of merit, teaching, understanding }
Cartesian Product
$$A \times B =$$
{ (generosity, cell division),
(generosity, interphase),
(generosity, resting),
(listening, cell division),
(listening, interphase),
(listening, resting),
(metal development, cell division),
(metal development, interphase),
(metal development, resting),
(rejoicing, cell division),
(rejoicing, interphase),
(rejoicing, resting),
(respect, cell division),
(respect, interphase),
(respect, resting),
(restraint, cell division),
(restraint, interphase),
(restraint, resting),
(service, cell division),
(service, interphase),
(service, resting),
(sharing of merit, cell division),
(sharing of merit, interphase),
(sharing of merit, resting),
(teaching, cell division),
(teaching, interphase),
(teaching, resting),
(understanding, cell division),
(understanding, interphase),
(understanding, resting) }