The full step-by-step solution to problem: 36E from chapter: 1.SE 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. This full solution covers the following key subjects: inference, rule, describe, english, exactly. This expansive textbook survival guide covers 101 chapters, and 4221 solutions. Since the solution to 36E from 1.SE chapter was answered, more than 291 students have viewed the full step-by-step answer. The answer to “Describe a rule of inference that can be used to prove that there are exactly two elements x and y in a domain such that P(x) and P(y) are true. Express this rule of inference as a statement in English.” is broken down into a number of easy to follow steps, and 40 words.