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If A = {a, b, c, d, e, f} and B = {{a, b, c, d, e, f}, {1,2,3}}, then which of the following is true?Question 4Answera.A  Bb.B Ac.A  Bd.B  A

Question

If A = {a, b, c, d, e, f} and B = {{a, b, c, d, e, f}, {1,2,3}}, then which of the following is true?

Question 4

Answer

a. A Bb.

b. A Ac.

A Bd.

B A

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Solution

To analyze whether the given statements about the sets A A and B B are true, we will break down the problem as follows:

1. Break Down the Problem

We need to analyze the relationships between sets A A and B B . We will consider each proposed answer to see if they hold true.

2. Relevant Concepts

  • Set Membership: A set X X is said to be a subset of set Y Y (denoted as XY X \subseteq Y ) if every element of X X is also an element of Y Y .
  • Set Equality: Two sets X X and Y Y are equal (denoted as X=Y X = Y ) if they contain exactly the same elements.

3. Analysis and Detail

  • Sets:
    Let A={a,b,c,d,e,f} A = \{a, b, c, d, e, f\}
    Let B={{a,b,c,d,e,f},{1,2,3}} B = \{\{a, b, c, d, e, f\}, \{1,2,3\}\}

    • Examining A A : It contains the elements a,b,c,d,e,f a, b, c, d, e, f .
    • Examining B B : It contains two elements: {a,b,c,d,e,f} \{a, b, c, d, e, f\} and {1,2,3} \{1, 2, 3\} .
  1. Is AB A \subseteq B ?
    No, set A A is not a subset of B B because the individual elements of A A (like a a ) are not found in B B itself; instead, B B contains the set A A as one of its members.

  2. Is BA B \subseteq A ?
    No, B B is not a subset of A A because B B contains sets {a,b,c,d,e,f} \{a, b, c, d, e, f\} and {1,2,3} \{1, 2, 3\} , which are not elements of A A .

  3. Is A=B A = B ?
    No, the sets A A and B B are not equal since A A contains members that are individual elements while B B contains other sets.

  4. Is AB A \supseteq B ?
    No, A A does not include all elements of B B .

  5. Is BA B \supseteq A ?
    No, B B does not include all elements of A A because the individual elements of A A are not in B B .

4. Verify and Summarize

Upon analyzing all options, it is clear that none of the relationships indicated by the statements are true. Thus:

Final Answer

None of the following statements are true:

  • a. AB A \subseteq B
  • b. BA B \subseteq A
  • c. A=B A = B
  • d. BA B \subseteq A
  • e. AB A \supseteq B

Therefore, all proposed answers regarding the relationships between A A and B B are false.

This problem has been solved

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