Math Problem Statement

If ( A = {1,2,3,4,5,6} ) find ( P(A)), the power set of ( A).

Solution

The power set of a set AA, denoted as P(A)P(A), is the set of all subsets of AA, including the empty set \emptyset and AA itself. If A={1,2,3,4,5,6}A = \{1, 2, 3, 4, 5, 6\}, let us calculate P(A)P(A):

Steps:

  1. The total number of subsets of AA is 2n2^n, where nn is the number of elements in AA. Here, n=6n = 6, so: 26=642^6 = 64 There are 64 subsets in P(A)P(A).

  2. List all subsets: Subsets are grouped by size, ranging from 00 elements (the empty set) to 66 elements (the set itself). Below is a summary:

    • Size 0: \emptyset (1 subset)
    • Size 1: {1},{2},{3},{4},{5},{6}\{1\}, \{2\}, \{3\}, \{4\}, \{5\}, \{6\} (6 subsets)
    • Size 2: {1,2},{1,3},\{1, 2\}, \{1, 3\}, \dots (15 subsets)
    • Size 3: {1,2,3},{1,2,4},\{1, 2, 3\}, \{1, 2, 4\}, \dots (20 subsets)
    • Size 4: {1,2,3,4},\{1, 2, 3, 4\}, \dots (15 subsets)
    • Size 5: {1,2,3,4,5},\{1, 2, 3, 4, 5\}, \dots (6 subsets)
    • Size 6: {1,2,3,4,5,6}\{1, 2, 3, 4, 5, 6\} (1 subset)

The complete list is large, but these subsets can be generated algorithmically or written explicitly if needed.

Final Answer:

The power set of A={1,2,3,4,5,6}A = \{1, 2, 3, 4, 5, 6\}, P(A)P(A), consists of 6464 subsets, including the empty set \emptyset and AA itself.

Would you like me to list the subsets explicitly or generate them in a structured table? Let me know!


Relative Questions:

  1. How does the concept of a power set relate to set operations like union and intersection?
  2. What is the relationship between the power set and the binary representation of numbers?
  3. How can you calculate the size of the power set for a given set?
  4. Can you find P(B)P(B) for B={a,b,c}B = \{a, b, c\}?
  5. What are the practical applications of power sets in computer science and mathematics?

Tip:

When working with sets, remember that the power set grows exponentially with the size of the original set, so nn-element sets lead to 2n2^n subsets!

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Math Problem Analysis

Mathematical Concepts

Set Theory
Power Set

Formulas

Number of subsets in a power set: 2^n, where n is the number of elements in the set

Theorems

Basic Properties of Power Sets

Suitable Grade Level

Grades 9-12