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anonymous

  • 4 years ago

This is a stupid question, but how exactly is \(\mathbb{Z^+}\) defined?

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  1. anonymous
    • 4 years ago
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    Some call it the set of "non-negative" integers, which I presume is \(\{0,1,2,...\}\). However, I have the intuition that it may actually be \(\{1,2,...\}\). Which one is it?

  2. anonymous
    • 4 years ago
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    How you define \( \mathbb{N} \) ?

  3. anonymous
    • 4 years ago
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    I guess I'm just going to go with \(\mathbb{N}\cup\{0\}\). -_-

  4. anonymous
    • 4 years ago
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    ^ That's how we define it.

  5. anonymous
    • 4 years ago
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    Hmm... now that I think about it, I see your point, FoolForMath. Thank you.

  6. anonymous
    • 4 years ago
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    i think \[\mathbb Z^+=\mathbb N\]

  7. anonymous
    • 4 years ago
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    o_o -.-

  8. anonymous
    • 4 years ago
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    Good mathematician define it before using it .

  9. anonymous
    • 4 years ago
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    ... more like non-ambiguous ones. ;P

  10. anonymous
    • 4 years ago
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    plus mean positive not "non-negative" but what do i know. however http://mathworld.wolfram.com/Z-Plus.html

  11. anonymous
    • 4 years ago
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    I see. Thanks for that, satellite73.

  12. anonymous
    • 4 years ago
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    sat, trust me I have seen various definition in varied research papers, The best thing is to define it before.

  13. anonymous
    • 4 years ago
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    oh i believe you for sure. i would not bet on anything when it comes to notation. i am not at all suggesting i am right, just saying that it is how i would view it

  14. anonymous
    • 4 years ago
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    Yes in general it's viewed the way you mentioned but some mathematician try to alter the meaning

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spraguer (Moderator)
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