Equality
$$A \neq B$$
A is not equal to B
Subset
$$A \not\subseteq B$$
A is not a subset of or equal to B
Superset
$$A \not\supseteq B$$
A is not a superset of or equal to B
Intersection
$$A \cap B =$$
{ }
Union
$$A \cup B =$$
{ Electromagnetic Force., Gravity., Strong Force., Weak Force., affective, cognitive, psychomotor }
Symmetric Difference
$$A \ominus B =$$
{ Electromagnetic Force., Gravity., Strong Force., Weak Force., affective, cognitive, psychomotor }
Difference
$$A - B =$$
{ affective, cognitive, psychomotor }
Difference
$$B - A =$$
{ Electromagnetic Force., Gravity., Strong Force., Weak Force. }
Cartesian Product
$$A \times B =$$
{ (affective, Electromagnetic Force.),
(affective, Gravity.),
(affective, Strong Force.),
(affective, Weak Force.),
(cognitive, Electromagnetic Force.),
(cognitive, Gravity.),
(cognitive, Strong Force.),
(cognitive, Weak Force.),
(psychomotor, Electromagnetic Force.),
(psychomotor, Gravity.),
(psychomotor, Strong Force.),
(psychomotor, Weak Force.) }