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Is 0 a number?

My 4 year old asked me this a few days ago....

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No, zero is just a symbol used to indicate nothingness, it has no quantitative value. It represents the LACK of a number, and so I don't see how it can be considered to BE a number. That's my opinion though, and after I looked it up it turns out that today mathematicians DO consider zero to be a number, although the Ancient Greeks did not. I still say no, that nothing can NOT be something. I dunno, check out the Wiki for a bit more info if you get bored, lol.

http://en.wikipedia.org/wiki/Number

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Very fine analysis, BlastedR!
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Thanks Virginia :)
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do you grasp how wikipedia works?

and why it cannot be trusted?
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Hahaha Fsck, you've got it in for me now? No worries, I don't mind, lol. Yeah, I grasp how the Wiki works, but I don't see any reason not to trust it. It's made quite clear that everything on there is nothing more than a collection of information and referrences, contributed by people from all over the world. What's not to trust? If anyone says anything that someone else knows is wrong, that person can simply edit it out and correct it. If you don't believe or trust anything on there, just check out their sources and form your own opinions.
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0 is both a number and the numerical digit used to represent that number in numerals

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yes... its on the keybord!!

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But it stands for nothing... how can it be a number then?
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it's on your keyboard for typing your 10's... Like I just did.
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Ya

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Yes

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Uhhh ya lol

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kiss for you
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Haha :}
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obviously..

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YeS!

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yes

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OMG.yes it is. lol

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omg, no.
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No number zero = no 10, 20, etc.
get it?
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I would think it is it's a place holder, consider, if we didn't have a zero how would you express say the year two thousand. Also the dictionary defines "zero" as the number represented by the the symbol 0.

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Almost everyone here is wrong... Zero is a symbol that is by definition the LACK of numbers. It is also used to indicate a number as being 10 times it's original value (10=10*1, 100=10*10, 1000=10*100).

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Sure has been fun to read them though... hehehe
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lack of what?

(hint: quantity)

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ok, that was a bad hint; it was the answer
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I dont think so. Zero is nothing, no value, when a whole number(anything 1 and up) has value. I think our civilization of today has evolved to where we want to name everything, even things that have no value.

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0 is not a natural number

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Zero is not a natural number, but yea, it's a number

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no, 0 is not a number, and neither is 1

2+ is a quantity

[Euclid]

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1 has value, i'm sure it is a number.
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It is considered a number but cense their is no value of zero I would say it is not a number.