Yes, every set is a superset of itself!
Chat with our AI personalities
64
Because every set is a subset of itself. A proper subset cannot, however, be a proper subset of itself.
The empty set has only one subset: itself. It has no proper subsets.
No, they do not.
A set with n elements has 2n subsets. The number of proper subsets is one less, since 2n includes the set itself.