Union
$$A \cup B =$$
{ animal, cause, cessation, heaven, hell, path, plant, suffering }
Symmetric Difference
$$A \ominus B =$$
{ animal, cause, cessation, heaven, hell, path, plant, suffering }
Difference
$$A - B =$$
{ animal, heaven, hell, plant }
Difference
$$B - A =$$
{ cause, cessation, path, suffering }
Cartesian Product
$$A \times B =$$
{ (animal, cause),
(animal, cessation),
(animal, path),
(animal, suffering),
(heaven, cause),
(heaven, cessation),
(heaven, path),
(heaven, suffering),
(hell, cause),
(hell, cessation),
(hell, path),
(hell, suffering),
(plant, cause),
(plant, cessation),
(plant, path),
(plant, suffering) }