Union
$$A \cup B =$$
{ ethos, kairos, logos, matter, motion, pathos, rest, soul, space, time }
Symmetric Difference
$$A \ominus B =$$
{ ethos, kairos, logos, matter, motion, pathos, rest, soul, space, time }
Difference
$$B - A =$$
{ matter, motion, rest, soul, space, time }
Cartesian Product
$$A \times B =$$
{ (ethos, matter),
(ethos, motion),
(ethos, rest),
(ethos, soul),
(ethos, space),
(ethos, time),
(kairos, matter),
(kairos, motion),
(kairos, rest),
(kairos, soul),
(kairos, space),
(kairos, time),
(logos, matter),
(logos, motion),
(logos, rest),
(logos, soul),
(logos, space),
(logos, time),
(pathos, matter),
(pathos, motion),
(pathos, rest),
(pathos, soul),
(pathos, space),
(pathos, time) }