Union
$$A \cup B =$$
{ auditory, incline, lever, physical, pulley, screw, social, visual, wedge, wheel }
Symmetric Difference
$$A \ominus B =$$
{ auditory, incline, lever, physical, pulley, screw, social, visual, wedge, wheel }
Difference
$$B - A =$$
{ incline, lever, pulley, screw, wedge, wheel }
Cartesian Product
$$A \times B =$$
{ (auditory, incline),
(auditory, lever),
(auditory, pulley),
(auditory, screw),
(auditory, wedge),
(auditory, wheel),
(physical, incline),
(physical, lever),
(physical, pulley),
(physical, screw),
(physical, wedge),
(physical, wheel),
(social, incline),
(social, lever),
(social, pulley),
(social, screw),
(social, wedge),
(social, wheel),
(visual, incline),
(visual, lever),
(visual, pulley),
(visual, screw),
(visual, wedge),
(visual, wheel) }
Learning styles