Set Theory Basics
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Questions and Answers

What is the set of all elements that are in A or in B or in both?

  • A ∩ B
  • A ∪ B (correct)
  • A - B
  • B - A

    • What is the set of all elements that are in A but not in B?

  • A - B (correct)
  • A ∪ B
  • B - A
  • A ∩ B

    • What is the set of all elements that are in the universal set U but not in A?

  • A^c (correct)
  • A - B
  • A ∩ B
  • A ∪ B

    • What is the notation for 'x is r-related to y' in a relation r from a set A into a set B?

    <p>x r y</p> Signup and view all the answers

    What is the set of all ordered pairs 〈x, y〉 where x is in A and y is in B?

    <p>A × B</p> Signup and view all the answers

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