Part 1: Proof that P(A N B) S P(A) N P(B). To prove part 1, select options from the list and put them in the correct order. Statement Explanation Suppose A and B are any sets. 1. Let X be any element in P(ĀN B) by definition of power set 2. Then XC ANB by definition of subset 3. So, Hence, XC A and X c B by definition of intersection ♥ 4. Thus, Then X € P(A) and X e P(B) 5. ---Select--- ---Select--- 6. ---Select--.. ---Select--- 7. Therefore, X e ---Select-- ---Select--- 8. Since X could be any element in ---Select--- ---Select--- v it follows that every element in --Select--- is in v. 9. Therefore, P(A N B) C P(A) N P(B).
Part 1: Proof that P(A N B) S P(A) N P(B). To prove part 1, select options from the list and put them in the correct order. Statement Explanation Suppose A and B are any sets. 1. Let X be any element in P(ĀN B) by definition of power set 2. Then XC ANB by definition of subset 3. So, Hence, XC A and X c B by definition of intersection ♥ 4. Thus, Then X € P(A) and X e P(B) 5. ---Select--- ---Select--- 6. ---Select--.. ---Select--- 7. Therefore, X e ---Select-- ---Select--- 8. Since X could be any element in ---Select--- ---Select--- v it follows that every element in --Select--- is in v. 9. Therefore, P(A N B) C P(A) N P(B).
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 3CC: (a) What is a combination of r elements of a set? How many combinations are there of n elements...
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