Union
$$A \cup B =$$
{ becoming, being, cause, effect, essence, existence, life, many, mechanism, narrative, one, strategic, tactical, universal }
Symmetric Difference
$$A \ominus B =$$
{ becoming, being, cause, effect, essence, existence, life, many, mechanism, narrative, one, strategic, tactical, universal }
Difference
$$B - A =$$
{ becoming, being, cause, effect, essence, existence, life, many, mechanism, one, universal }
Cartesian Product
$$A \times B =$$
{ (narrative, becoming),
(narrative, being),
(narrative, cause),
(narrative, effect),
(narrative, essence),
(narrative, existence),
(narrative, life),
(narrative, many),
(narrative, mechanism),
(narrative, one),
(narrative, universal),
(strategic, becoming),
(strategic, being),
(strategic, cause),
(strategic, effect),
(strategic, essence),
(strategic, existence),
(strategic, life),
(strategic, many),
(strategic, mechanism),
(strategic, one),
(strategic, universal),
(tactical, becoming),
(tactical, being),
(tactical, cause),
(tactical, effect),
(tactical, essence),
(tactical, existence),
(tactical, life),
(tactical, many),
(tactical, mechanism),
(tactical, one),
(tactical, universal) }
Immersion (virtual reality)