Let A {1,2, {x, y}, x, Ø}. 1. Find the cardinality of A. 2. Find the power set P(A) of A. Yes, I do want you to write it out. 3. Find the cardinality of P(A). Does this match the Ryan conjecture from class?

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.7: Relations
Problem 13E: 13. Consider the set of all nonempty subsets of . Determine whether the given relation on is...
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I've already done 1. I was wondering if you could help me with 2 and 3 and explain a strategy I could use to solve problems like this myself?

Let A {1,2, {x, y}, x, Ø}.
1. Find the cardinality of A.
2. Find the power set P(A) of A. Yes, I do want you to write it out.
3. Find the cardinality of P(A). Does this match the Ryan conjecture from class?
Transcribed Image Text:Let A {1,2, {x, y}, x, Ø}. 1. Find the cardinality of A. 2. Find the power set P(A) of A. Yes, I do want you to write it out. 3. Find the cardinality of P(A). Does this match the Ryan conjecture from class?
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