Union
$$A \cup B =$$
{ cell division, emotional, intellectual, interphase, occupational, physical, resting, social, spiritual }
Symmetric Difference
$$A \ominus B =$$
{ cell division, emotional, intellectual, interphase, occupational, physical, resting, social, spiritual }
Difference
$$A - B =$$
{ emotional, intellectual, occupational, physical, social, spiritual }
Cartesian Product
$$A \times B =$$
{ (emotional, cell division),
(emotional, interphase),
(emotional, resting),
(intellectual, cell division),
(intellectual, interphase),
(intellectual, resting),
(occupational, cell division),
(occupational, interphase),
(occupational, resting),
(physical, cell division),
(physical, interphase),
(physical, resting),
(social, cell division),
(social, interphase),
(social, resting),
(spiritual, cell division),
(spiritual, interphase),
(spiritual, resting) }
Cell cycle