Union
$$A \cup B =$$
{ compassion, courage, effort, external stimulus, honesty, honor, idle, integrity, loyalty, respect, self-control }
Symmetric Difference
$$A \ominus B =$$
{ compassion, courage, effort, external stimulus, honesty, honor, idle, integrity, loyalty, respect, self-control }
Difference
$$B - A =$$
{ compassion, courage, honesty, honor, integrity, loyalty, respect, self-control }
Cartesian Product
$$A \times B =$$
{ (effort, compassion),
(effort, courage),
(effort, honesty),
(effort, honor),
(effort, integrity),
(effort, loyalty),
(effort, respect),
(effort, self-control),
(external stimulus, compassion),
(external stimulus, courage),
(external stimulus, honesty),
(external stimulus, honor),
(external stimulus, integrity),
(external stimulus, loyalty),
(external stimulus, respect),
(external stimulus, self-control),
(idle, compassion),
(idle, courage),
(idle, honesty),
(idle, honor),
(idle, integrity),
(idle, loyalty),
(idle, respect),
(idle, self-control) }