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2bornot2b

  • 4 years ago

What is the difference between the terms denumerable and enumerable.

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  1. anonymous
    • 4 years ago
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    synonyms

  2. 2bornot2b
    • 4 years ago
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    What's the meaning of them?

  3. anonymous
    • 4 years ago
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    a set is "denumarable" if you can count the elements first, second, third etc

  4. anonymous
    • 4 years ago
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    just like when you first learn math as a 4 year old by learning to count things. denumerable means "countable"

  5. KingGeorge
    • 4 years ago
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    A denumerable set is a so-called countable set, an an enumerable set is something that seems to be used in computer science, but is essentially the same thing.

  6. anonymous
    • 4 years ago
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    and counting things means you are assigning a positive integer to each item first item, second item, third item, etc so it is actually pretty sophisticated. you are creating a one to one function from the positive integers to the elements of the set

  7. anonymous
    • 4 years ago
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    so to be very formal, you can say a set S is "denumerable" "countable" etc if there is an injective function (one to one function) from \[S \to \mathbb N\]

  8. 2bornot2b
    • 4 years ago
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    what are you talking about @robot1234

  9. FoolForMath
    • 4 years ago
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    http://mathoverflow.net/questions/20823/denumerable-sets

  10. anonymous
    • 4 years ago
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    think maybe robot is bored

  11. 2bornot2b
    • 4 years ago
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    Might be a clever method of squeezing a medal from someone who thinks robot1234 is helping

  12. FoolForMath
    • 4 years ago
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    Lol!

  13. anonymous
    • 4 years ago
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    watch this

  14. 2bornot2b
    • 4 years ago
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    I have seen these earlier, users coming in and just posting a nonsense and expecting to get a medal.

  15. 2bornot2b
    • 4 years ago
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    This is a good trick after all

  16. FoolForMath
    • 4 years ago
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    Driveling for medals lol!

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