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View search results from all Wolfram sites (53007 matches)The set of all sets is its own power set. Therefore, the cardinal number of the set of all sets must be bigger than itself.
A superset which is not the entire set.
The function from a given nonempty set X to the power set P(X) that maps every element x of X to the set {x}.
A set of six.
A set of five.
A relation on a totally ordered set.
The minimum excluded value. The mex of a set S of nonnegative integers is the least nonnegative integer not in the set.
A definition of a set by mentioning a defining property.
A point which is a member of the set closure of a given set S and the set closure of its complement set. If A is a subset of R^n, then a point x in R^n is a boundary point of ...
The set theory symbol (aleph) for the cardinal number of a well-orderable infinite set.
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