Union
$$A \cup B =$$
{ Aural (audio) Learners., Logical (analytical) Learner., Natural/ Nature Learners., Social Learners (aka Linguistic Learners)., Solo Learners., Verbal Learners (aka Linguistic Learners)., Visual (spatial) Learners., gemini, pisces, sagittarius, virgo }
Symmetric Difference
$$A \ominus B =$$
{ Aural (audio) Learners., Logical (analytical) Learner., Natural/ Nature Learners., Social Learners (aka Linguistic Learners)., Solo Learners., Verbal Learners (aka Linguistic Learners)., Visual (spatial) Learners., gemini, pisces, sagittarius, virgo }
Difference
$$B - A =$$
{ Aural (audio) Learners., Logical (analytical) Learner., Natural/ Nature Learners., Social Learners (aka Linguistic Learners)., Solo Learners., Verbal Learners (aka Linguistic Learners)., Visual (spatial) Learners. }
Cartesian Product
$$A \times B =$$
{ (gemini, Aural (audio) Learners.),
(gemini, Logical (analytical) Learner.),
(gemini, Natural/ Nature Learners.),
(gemini, Social Learners (aka Linguistic Learners).),
(gemini, Solo Learners.),
(gemini, Verbal Learners (aka Linguistic Learners).),
(gemini, Visual (spatial) Learners.),
(pisces, Aural (audio) Learners.),
(pisces, Logical (analytical) Learner.),
(pisces, Natural/ Nature Learners.),
(pisces, Social Learners (aka Linguistic Learners).),
(pisces, Solo Learners.),
(pisces, Verbal Learners (aka Linguistic Learners).),
(pisces, Visual (spatial) Learners.),
(sagittarius, Aural (audio) Learners.),
(sagittarius, Logical (analytical) Learner.),
(sagittarius, Natural/ Nature Learners.),
(sagittarius, Social Learners (aka Linguistic Learners).),
(sagittarius, Solo Learners.),
(sagittarius, Verbal Learners (aka Linguistic Learners).),
(sagittarius, Visual (spatial) Learners.),
(virgo, Aural (audio) Learners.),
(virgo, Logical (analytical) Learner.),
(virgo, Natural/ Nature Learners.),
(virgo, Social Learners (aka Linguistic Learners).),
(virgo, Solo Learners.),
(virgo, Verbal Learners (aka Linguistic Learners).),
(virgo, Visual (spatial) Learners.) }