Union
$$A \cup B =$$
{ becoming, birth, body and mind, clinging, contact, context-free, context-sensitive, craving, death, feeling, ignorance, recursively enumerable, regular, senses, sensual, volitional }
Symmetric Difference
$$A \ominus B =$$
{ becoming, birth, body and mind, clinging, contact, context-free, context-sensitive, craving, death, feeling, ignorance, recursively enumerable, regular, senses, sensual, volitional }
Cartesian Product
$$A \times B =$$
{ (becoming, context-free),
(becoming, context-sensitive),
(becoming, recursively enumerable),
(becoming, regular),
(birth, context-free),
(birth, context-sensitive),
(birth, recursively enumerable),
(birth, regular),
(body and mind, context-free),
(body and mind, context-sensitive),
(body and mind, recursively enumerable),
(body and mind, regular),
(clinging, context-free),
(clinging, context-sensitive),
(clinging, recursively enumerable),
(clinging, regular),
(contact, context-free),
(contact, context-sensitive),
(contact, recursively enumerable),
(contact, regular),
(craving, context-free),
(craving, context-sensitive),
(craving, recursively enumerable),
(craving, regular),
(death, context-free),
(death, context-sensitive),
(death, recursively enumerable),
(death, regular),
(feeling, context-free),
(feeling, context-sensitive),
(feeling, recursively enumerable),
(feeling, regular),
(ignorance, context-free),
(ignorance, context-sensitive),
(ignorance, recursively enumerable),
(ignorance, regular),
(senses, context-free),
(senses, context-sensitive),
(senses, recursively enumerable),
(senses, regular),
(sensual, context-free),
(sensual, context-sensitive),
(sensual, recursively enumerable),
(sensual, regular),
(volitional, context-free),
(volitional, context-sensitive),
(volitional, recursively enumerable),
(volitional, regular) }
Pratītyasamutpāda