Union
$$A \cup B =$$
{ enclosure, hearth, matter, motion, mound, rest, roof, soul, space, time }
Symmetric Difference
$$A \ominus B =$$
{ enclosure, hearth, matter, motion, mound, rest, roof, soul, space, time }
Difference
$$B - A =$$
{ matter, motion, rest, soul, space, time }
Cartesian Product
$$A \times B =$$
{ (enclosure, matter),
(enclosure, motion),
(enclosure, rest),
(enclosure, soul),
(enclosure, space),
(enclosure, time),
(hearth, matter),
(hearth, motion),
(hearth, rest),
(hearth, soul),
(hearth, space),
(hearth, time),
(mound, matter),
(mound, motion),
(mound, rest),
(mound, soul),
(mound, space),
(mound, time),
(roof, matter),
(roof, motion),
(roof, rest),
(roof, soul),
(roof, space),
(roof, time) }