Union
$$A \cup B =$$
{ astronomy, biology, chemistry, mathematics, physics, sociology, to not abstain, to not eat at the wrong time, to not intoxicate, to not kill, to not lie, to not perform, to not sleep in a tall bed, to not steal }
Symmetric Difference
$$A \ominus B =$$
{ astronomy, biology, chemistry, mathematics, physics, sociology, to not abstain, to not eat at the wrong time, to not intoxicate, to not kill, to not lie, to not perform, to not sleep in a tall bed, to not steal }
Cartesian Product
$$A \times B =$$
{ (astronomy, to not abstain),
(astronomy, to not eat at the wrong time),
(astronomy, to not intoxicate),
(astronomy, to not kill),
(astronomy, to not lie),
(astronomy, to not perform),
(astronomy, to not sleep in a tall bed),
(astronomy, to not steal),
(biology, to not abstain),
(biology, to not eat at the wrong time),
(biology, to not intoxicate),
(biology, to not kill),
(biology, to not lie),
(biology, to not perform),
(biology, to not sleep in a tall bed),
(biology, to not steal),
(chemistry, to not abstain),
(chemistry, to not eat at the wrong time),
(chemistry, to not intoxicate),
(chemistry, to not kill),
(chemistry, to not lie),
(chemistry, to not perform),
(chemistry, to not sleep in a tall bed),
(chemistry, to not steal),
(mathematics, to not abstain),
(mathematics, to not eat at the wrong time),
(mathematics, to not intoxicate),
(mathematics, to not kill),
(mathematics, to not lie),
(mathematics, to not perform),
(mathematics, to not sleep in a tall bed),
(mathematics, to not steal),
(physics, to not abstain),
(physics, to not eat at the wrong time),
(physics, to not intoxicate),
(physics, to not kill),
(physics, to not lie),
(physics, to not perform),
(physics, to not sleep in a tall bed),
(physics, to not steal),
(sociology, to not abstain),
(sociology, to not eat at the wrong time),
(sociology, to not intoxicate),
(sociology, to not kill),
(sociology, to not lie),
(sociology, to not perform),
(sociology, to not sleep in a tall bed),
(sociology, to not steal) }
Law of three stages