Union
$$A \cup B =$$
{ fable, fairy-tale, folk-tale, matter, motion, myth, rest, saga, soul, space, time }
Symmetric Difference
$$A \ominus B =$$
{ fable, fairy-tale, folk-tale, matter, motion, myth, rest, saga, soul, space, time }
Cartesian Product
$$A \times B =$$
{ (fable, matter),
(fable, motion),
(fable, rest),
(fable, soul),
(fable, space),
(fable, time),
(fairy-tale, matter),
(fairy-tale, motion),
(fairy-tale, rest),
(fairy-tale, soul),
(fairy-tale, space),
(fairy-tale, time),
(folk-tale, matter),
(folk-tale, motion),
(folk-tale, rest),
(folk-tale, soul),
(folk-tale, space),
(folk-tale, time),
(myth, matter),
(myth, motion),
(myth, rest),
(myth, soul),
(myth, space),
(myth, time),
(saga, matter),
(saga, motion),
(saga, rest),
(saga, soul),
(saga, space),
(saga, time) }
Dravya