Union
$$A \cup B =$$
{ animal, concentration, conduct, effort, heaven, hell, livelihood, mindfulness, plant, resolve, speech, view }
Symmetric Difference
$$A \ominus B =$$
{ animal, concentration, conduct, effort, heaven, hell, livelihood, mindfulness, plant, resolve, speech, view }
Difference
$$A - B =$$
{ concentration, conduct, effort, livelihood, mindfulness, resolve, speech, view }
Cartesian Product
$$A \times B =$$
{ (concentration, animal),
(concentration, heaven),
(concentration, hell),
(concentration, plant),
(conduct, animal),
(conduct, heaven),
(conduct, hell),
(conduct, plant),
(effort, animal),
(effort, heaven),
(effort, hell),
(effort, plant),
(livelihood, animal),
(livelihood, heaven),
(livelihood, hell),
(livelihood, plant),
(mindfulness, animal),
(mindfulness, heaven),
(mindfulness, hell),
(mindfulness, plant),
(resolve, animal),
(resolve, heaven),
(resolve, hell),
(resolve, plant),
(speech, animal),
(speech, heaven),
(speech, hell),
(speech, plant),
(view, animal),
(view, heaven),
(view, hell),
(view, plant) }