Once example is the whole numbers and subsets are the numbers 1,2 and 3
written {1,2,3}.
Another example is all the colors. Subsets would be any number of individual colors.
The universal set may be finite or infinite.
Chat with our AI personalities
Universal set.
It is the set of "everything".
If the universal set, U, has N elements then it has 2N subsets.
The null set. It is a subset of every set.
Yes.