Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

sasogeek

  • 3 years ago

what does this (~) mean in set notations?

  • This Question is Closed
  1. UnkleRhaukus
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    not

  2. ash2326
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    ~A=not A or elements which are not in A

  3. UnkleRhaukus
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    means the same as ( \(\neg\) )

  4. sasogeek
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    when used like this " ~A ", is that in relativity to the universal set?

  5. UnkleRhaukus
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    yep

  6. UnkleRhaukus
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1348742799395:dw|

  7. sasogeek
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    let's say A={1,2,3...} ~A={0 and all negative integers} right?

  8. ash2326
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Yes :) if A is a subset of Integers

  9. sasogeek
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    interesting :) thanks!

  10. UnkleRhaukus
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    if the universal set is all numbers then 1/2 is also in ~A

  11. ash2326
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    |dw:1348742895139:dw|

  12. sasogeek
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    your text is missing...

  13. ash2326
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    S=integers A=(1, 2,3,4 ..) ~A=(...-2, -1, 0)

  14. sasogeek
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    oh ok, thanks :) that clears things up x you guys are awesome :)

  15. ash2326
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Glad to help :)

  16. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy