anonymous
  • anonymous
What is a number
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
A number is a number.
anonymous
  • anonymous
#
anonymous
  • anonymous
A numeral or group of numerals. The sum, total, count, or aggregate of a collection of units.

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More answers

anonymous
  • anonymous
123467890 is the numbers
anonymous
  • anonymous
It is something that is used for counting ...
anonymous
  • anonymous
A number is a symbol.
anonymous
  • anonymous
A number is a concept from mathematics, used to count or measure.
anonymous
  • anonymous
its the alphabet of a language . +1 @glgan1
anonymous
  • anonymous
Depending on who you believe, it's a set (and so is everything else)
anonymous
  • anonymous
Guys, a simple but mathematical explanation
anonymous
  • anonymous
Natural numbers are the numbers which we normally use for counting, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
anonymous
  • anonymous
What I said. A numeral or group of numerals. The sum, total, count, or aggregate of a collection of units.
anonymous
  • anonymous
Is sqrt 2 a number?
shubhamsrg
  • shubhamsrg
google over or go for wikipedia for orthodox results..
anonymous
  • anonymous
Ok. a number is a measure of quantity
anonymous
  • anonymous
"Ok. a number is a measure of quantity" So 2 is a measure of 2?
anonymous
  • anonymous
Yes, a "simple" as that
anonymous
  • anonymous
That isn't simple, it is circular and doesn't mean anything...
anonymous
  • anonymous
How is my definition wrong
anonymous
  • anonymous
It is the same as saying 2=2 which is not wrong, just devoid of meaning.
anonymous
  • anonymous
That's an improvement....what is "arithmetical"?
anonymous
  • anonymous
Now you have gone all circular as well...:-)
anonymous
  • anonymous
Give us your definition then
anonymous
  • anonymous
I already said, if you don't want to take the "naturals" as given, then you canuse a set theoretical construction of number, starting withy the empty set.
anonymous
  • anonymous
I don't understand you
anonymous
  • anonymous
Assuming you want a "mathematical" definition of number, then you need to find a way to use set theory to do it because that is the currently accepted foundation for mathematics.
anonymous
  • anonymous
I just wanted to know what is a number according to you guys that all
anonymous
  • anonymous
Mathematically, it is a set.
anonymous
  • anonymous
"properties of the natural and real numbers can be derived within set theory, as each number system can be identified with a set of equivalence classes under a suitable equivalence relation whose field is some infinite set" http://en.wikipedia.org/wiki/Set_theory#Axiomatic_set_theory
anonymous
  • anonymous
oh, that a pretty interesting definition. Thanks
anonymous
  • anonymous
Normally, for day to day mathematics, you don't really need this. Another way is just to take the naturals (beginning with 0 or 1 according to taste) as being somehow "God given" and then get everything else from those.
anonymous
  • anonymous
Ok. thanks everyone!
anonymous
  • anonymous
This is really almost an epistemology question more than a mathematical one. Mathematics solves problems based on the foreknowledge of numbers and counting. At least for the common man, knowledge of numbers is axiomatic, it is understood knowledge that other knowledge can be derived from.
anonymous
  • anonymous
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification
UnkleRhaukus
  • UnkleRhaukus
A number is a measurement without units
anonymous
  • anonymous
Oh, not what do you mean?
UnkleRhaukus
  • UnkleRhaukus
Numbers come from measurements, i.e. from the comparison of a selection of reality with a scale or rule, where the selection is best represented on the scale, is designated a number, to distinguish it from another place on the scale
anonymous
  • anonymous
Yes, I like that word "comparison"
UnkleRhaukus
  • UnkleRhaukus
i really like this question
UnkleRhaukus
  • UnkleRhaukus
would numbers mean anything at all if well didn't use the same scales?
anonymous
  • anonymous
A number shows the amount of something and was created to show how much something was.
anonymous
  • anonymous
For instance, many thousand years ago people had animals, and then they suddenly wanted to count them, so they created the first numbers, just some line that show the amount
anonymous
  • anonymous
There would be trouble in this world without "comparison"
anonymous
  • anonymous
The truth is, numbers, just like words, are defined arbitrarily, but are useful for human communication of ideas that are inherent in reality.
UnkleRhaukus
  • UnkleRhaukus
truth is a binary measurement , requiring a measurer , such as a person
UnkleRhaukus
  • UnkleRhaukus
0=False 1=True, are these arbitrary, @SmoothMath
anonymous
  • anonymous
Yes.
UnkleRhaukus
  • UnkleRhaukus
i think so too

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