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
$$A \cup B =$$
{ accumulating, affective, cognitive, psychomotor, reformulating, trans-framing, uni-framing }
Symmetric Difference
$$A \ominus B =$$
{ accumulating, affective, cognitive, psychomotor, reformulating, trans-framing, uni-framing }
Difference
$$A - B =$$
{ accumulating, reformulating, trans-framing, uni-framing }
Difference
$$B - A =$$
{ affective, cognitive, psychomotor }
Cartesian Product
$$A \times B =$$
{ (accumulating, affective),
(accumulating, cognitive),
(accumulating, psychomotor),
(reformulating, affective),
(reformulating, cognitive),
(reformulating, psychomotor),
(trans-framing, affective),
(trans-framing, cognitive),
(trans-framing, psychomotor),
(uni-framing, affective),
(uni-framing, cognitive),
(uni-framing, psychomotor) }
Marvin Minsky