universe
-- the set-theoretical
universeuniverse
represents the set-theoretical universe of all
objects.
_union
, _intersect
, _minus
, DOM_SET
universe
is the only element of the domain
stdlib::Universe
.universe
.We show some basic set operations involving
universe
:
>> universe union {a}
universe
>> universe intersect {a}
{a}
>> {a} minus universe
{}
universe
is a new object.