Question: what is the difference between a subset and a proper subset examples?
Answer: A Subset is a set which contains all the elements of another set. Consider two sets A and B, if every elements present in A are also present in B, then the set is a Subset . But, In two sets A and B, B is a proper subset of A, if all the elements of B are in A, but A contains at least one element that is not in B.