Union
$$A \cup B =$$
{ concentration, conduct, effort, livelihood, mindfulness, question, read, recite, resolve, review, speech, survey, view }
Symmetric Difference
$$A \ominus B =$$
{ concentration, conduct, effort, livelihood, mindfulness, question, read, recite, resolve, review, speech, survey, view }
Cartesian Product
$$A \times B =$$
{ (concentration, question),
(concentration, read),
(concentration, recite),
(concentration, review),
(concentration, survey),
(conduct, question),
(conduct, read),
(conduct, recite),
(conduct, review),
(conduct, survey),
(effort, question),
(effort, read),
(effort, recite),
(effort, review),
(effort, survey),
(livelihood, question),
(livelihood, read),
(livelihood, recite),
(livelihood, review),
(livelihood, survey),
(mindfulness, question),
(mindfulness, read),
(mindfulness, recite),
(mindfulness, review),
(mindfulness, survey),
(resolve, question),
(resolve, read),
(resolve, recite),
(resolve, review),
(resolve, survey),
(speech, question),
(speech, read),
(speech, recite),
(speech, review),
(speech, survey),
(view, question),
(view, read),
(view, recite),
(view, review),
(view, survey) }
SQ3R