Union
$$A \cup B =$$
{ analysis, application, bitter, comprehension, evaluation, knowledge, salty, savory, sour, sweet, synthesis }
Symmetric Difference
$$A \ominus B =$$
{ analysis, application, bitter, comprehension, evaluation, knowledge, salty, savory, sour, sweet, synthesis }
Cartesian Product
$$A \times B =$$
{ (bitter, analysis),
(bitter, application),
(bitter, comprehension),
(bitter, evaluation),
(bitter, knowledge),
(bitter, synthesis),
(salty, analysis),
(salty, application),
(salty, comprehension),
(salty, evaluation),
(salty, knowledge),
(salty, synthesis),
(savory, analysis),
(savory, application),
(savory, comprehension),
(savory, evaluation),
(savory, knowledge),
(savory, synthesis),
(sour, analysis),
(sour, application),
(sour, comprehension),
(sour, evaluation),
(sour, knowledge),
(sour, synthesis),
(sweet, analysis),
(sweet, application),
(sweet, comprehension),
(sweet, evaluation),
(sweet, knowledge),
(sweet, synthesis) }
Taste