Difference between revisions of "Whole numbers"

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(Created page with ""Whole numbers" are often referred to without being defined, since many people think everyone knows what they are. However, there are at least three things people mean by the...")
 
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[[Category:Conflicting definitions]]
"Whole numbers" are often referred to without being defined, since many people think everyone knows what they are.
"Whole numbers" are often referred to without being defined, since many people think everyone knows what they are.


However, there are at least three things people mean by the term.
However, there are at least three things people mean by the term.


Positive integers
* Positive integers
Non-negative integers
* Non-negative integers
Integers
* Integers
 
If you are French, the above is still true but the meanings of two of the entries are swapped, which ends up making no difference.


It is possible to find maths homeworks on the web where students are asked which numbers on a list are whole numbers, and to find model answers where, for example, -3 is not one.
It is possible to find maths homeworks on the web where students are asked which numbers on a list are whole numbers, and to find model answers where, for example, -3 is not one.
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If you say "whole numbers", it may be best to say what you mean by it. Or don't use it at all.
If you say "whole numbers", it may be best to say what you mean by it. Or don't use it at all.


It's quite easy to find books which use the term without defining it explicitly. If someone says the powers of x in a polynomial have to be whole numbers, that's a pretty good clue as to what they think it means.
It's quite easy to find books which use the term without defining it explicitly. If someone says the powers of \(x\) in a polynomial have to be whole numbers, that's a pretty good clue as to what they think it means.
 
[[Category:Inconsistencies]]

Latest revision as of 15:22, 11 July 2021


"Whole numbers" are often referred to without being defined, since many people think everyone knows what they are.

However, there are at least three things people mean by the term.

  • Positive integers
  • Non-negative integers
  • Integers

If you are French, the above is still true but the meanings of two of the entries are swapped, which ends up making no difference.

It is possible to find maths homeworks on the web where students are asked which numbers on a list are whole numbers, and to find model answers where, for example, -3 is not one.

If you say "whole numbers", it may be best to say what you mean by it. Or don't use it at all.

It's quite easy to find books which use the term without defining it explicitly. If someone says the powers of \(x\) in a polynomial have to be whole numbers, that's a pretty good clue as to what they think it means.