Union
$$A \cup B =$$
{ cause, cessation, honesty, love, path, purity, suffering, unselfishness }
Symmetric Difference
$$A \ominus B =$$
{ cause, cessation, honesty, love, path, purity, suffering, unselfishness }
Difference
$$A - B =$$
{ cause, cessation, path, suffering }
Difference
$$B - A =$$
{ honesty, love, purity, unselfishness }
Cartesian Product
$$A \times B =$$
{ (cause, honesty),
(cause, love),
(cause, purity),
(cause, unselfishness),
(cessation, honesty),
(cessation, love),
(cessation, purity),
(cessation, unselfishness),
(path, honesty),
(path, love),
(path, purity),
(path, unselfishness),
(suffering, honesty),
(suffering, love),
(suffering, purity),
(suffering, unselfishness) }