Union
$$A \cup B =$$
{ afraid, agape, angry, disgusted, eros, happy, ludus, mania, pragma, sad, storge, surprised }
Symmetric Difference
$$A \ominus B =$$
{ afraid, agape, angry, disgusted, eros, happy, ludus, mania, pragma, sad, storge, surprised }
Cartesian Product
$$A \times B =$$
{ (afraid, agape),
(afraid, eros),
(afraid, ludus),
(afraid, mania),
(afraid, pragma),
(afraid, storge),
(angry, agape),
(angry, eros),
(angry, ludus),
(angry, mania),
(angry, pragma),
(angry, storge),
(disgusted, agape),
(disgusted, eros),
(disgusted, ludus),
(disgusted, mania),
(disgusted, pragma),
(disgusted, storge),
(happy, agape),
(happy, eros),
(happy, ludus),
(happy, mania),
(happy, pragma),
(happy, storge),
(sad, agape),
(sad, eros),
(sad, ludus),
(sad, mania),
(sad, pragma),
(sad, storge),
(surprised, agape),
(surprised, eros),
(surprised, ludus),
(surprised, mania),
(surprised, pragma),
(surprised, storge) }