The following solutions make use of the information found on pages 258 - 266 of the textbook. Definitions Fill in the blanks to complete the following sentences. The unique set with no elements is called the empty set. It is denoted by the symbol . The empty set is a subset of every set.
Every set is a subset of itself.
A j , where i and j are distinct, have any common elements. Examples You should attempt all these exercises yourself, using the textbook as an aid. Once you have attempted each question, check your answers by following the appropriate links. If you are stuck on a question, choose the link that gives you a hint and then try the question again. Full solution 2.