This full solution covers the following key subjects: Sets, show. This expansive textbook survival guide covers 101 chapters, and 4221 solutions. The full step-by-step solution to problem: 18E from chapter: 2.5 was answered by , our top Math solution expert on 06/21/17, 07:45AM. This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. Since the solution to 18E from 2.5 chapter was answered, more than 253 students have viewed the full step-by-step answer. The answer to “Show that if A and B are sets |A| = |B|, then” is broken down into a number of easy to follow steps, and 12 words.