Union
$$A \cup B =$$
{ auditory, electric, fossil, gravitational, hydric, organic, physical, social, solar, thermal, visual, wind }
Symmetric Difference
$$A \ominus B =$$
{ auditory, electric, fossil, gravitational, hydric, organic, physical, social, solar, thermal, visual, wind }
Difference
$$B - A =$$
{ electric, fossil, gravitational, hydric, organic, solar, thermal, wind }
Cartesian Product
$$A \times B =$$
{ (auditory, electric),
(auditory, fossil),
(auditory, gravitational),
(auditory, hydric),
(auditory, organic),
(auditory, solar),
(auditory, thermal),
(auditory, wind),
(physical, electric),
(physical, fossil),
(physical, gravitational),
(physical, hydric),
(physical, organic),
(physical, solar),
(physical, thermal),
(physical, wind),
(social, electric),
(social, fossil),
(social, gravitational),
(social, hydric),
(social, organic),
(social, solar),
(social, thermal),
(social, wind),
(visual, electric),
(visual, fossil),
(visual, gravitational),
(visual, hydric),
(visual, organic),
(visual, solar),
(visual, thermal),
(visual, wind) }
Learning styles