public interface ISet<T> : ICollection<T>, IEnumerable<T>, IEnumerable

bool Add(T item)

void ExceptWith(IEnumerable<T> other)

void IntersectWith(IEnumerable<T> other)

bool IsProperSubsetOf(IEnumerable<T> other)

bool IsProperSupersetOf(IEnumerable<T> other)

bool IsSubsetOf(IEnumerable<T> other)

bool IsSupersetOf(IEnumerable<T> other)

bool Overlaps(IEnumerable<T> other)

bool SetEquals(IEnumerable<T> other)

void SymmetricExceptWith(IEnumerable<T> other)

void UnionWith(IEnumerable<T> other)