What is a set?
Q: What is a set?
A: A set is an idea from mathematics. It consists of members (also called elements) that are defined by their members, so any two sets with the same members are the same.
Q: Can a set have the same member more than once?
A: No, a set cannot have the same member more than once.
Q: Does order matter in a set?
A: No, order does not matter in a set. Anything can be a member of a set, including sets themselves.
Q: What happens if a set is a member of itself?
A: If a set is a member of itself, paradoxes such as Russell's paradox can happen.
Q: Is membership the only thing that matters for sets?
A: Yes, membership is the only thing that matters for sets.
Q: How do you know if two sets are equal?
A: Two sets are equal if they have the same members.
