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6 answers

Consult Principia Mathematica by Whitehead and Russell, Part III Chap XXII.

A *working* definition might be that zero is an integer which quantifies a count or an amount of null size. This is a bit circular, as the notion of null, or empty, begs the question somewhat.

2007-01-03 09:17:50 · answer #1 · answered by Jerry P 6 · 0 0

0 (zero) is both a number and a numerical digit used to represent that number in numerals. As a number, zero means nothing — an absence of other values. It plays a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, zero is used as a placeholder in place value systems. Historically, it was the last digit to come into use. In the English language, zero may also be called nil when a number, o/oh when a numeral, and nought/naught in either context.

Hope that helped.

2007-01-03 17:18:32 · answer #2 · answered by cristaline 2 · 0 0

'Zero' as a number means there are no units of something. For example, zero frogs means there are no frogs, zero people means there are no people.

Adding 'zero' to a number will make no difference to the number, because you're adding 'nothing'.

Taking away 'zero' from a number will make no difference, because you're taking 'nothing' away.

Multiplying any number by 'zero' makes it zero, because you are saying there are 'zero lots of something'. e.g. 0 x 98 = 0 because there are 'no 98s'.

Diving any number by 'zero' is impossible so the answer is undefined.

2007-01-03 17:20:18 · answer #3 · answered by Anonymous · 0 0

Zero is that number which, if added to any number, yields the same number again. It is not nothing, it is a number which allows us to add and subtract, using positive and negative numbers, and using the same arithmetic rules no matter what.

Zero is an invention, but it is a hugely convenient one.

2007-01-03 17:20:21 · answer #4 · answered by acafrao341 5 · 0 0

Zero is the number of girls you will be sleeping with this year.

2007-01-03 17:20:38 · answer #5 · answered by Larry H 3 · 2 0

zero is the absence of any countable units

2007-01-03 17:18:47 · answer #6 · answered by ☺☻☺☻☺☻ 6 · 0 0

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