Union
$$A \cup B =$$
{ analysis, application, comprehension, evaluation, fear, grief, knowledge, love, rage, synthesis }
Symmetric Difference
$$A \ominus B =$$
{ analysis, application, comprehension, evaluation, fear, grief, knowledge, love, rage, synthesis }
Difference
$$A - B =$$
{ analysis, application, comprehension, evaluation, knowledge, synthesis }
Cartesian Product
$$A \times B =$$
{ (analysis, fear),
(analysis, grief),
(analysis, love),
(analysis, rage),
(application, fear),
(application, grief),
(application, love),
(application, rage),
(comprehension, fear),
(comprehension, grief),
(comprehension, love),
(comprehension, rage),
(evaluation, fear),
(evaluation, grief),
(evaluation, love),
(evaluation, rage),
(knowledge, fear),
(knowledge, grief),
(knowledge, love),
(knowledge, rage),
(synthesis, fear),
(synthesis, grief),
(synthesis, love),
(synthesis, rage) }
Cognition