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Thabo Group Title

What is a number

  • 2 years ago
  • 2 years ago

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  1. pratu043 Group Title
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    A number is a number.

    • 2 years ago
  2. cesar2462 Group Title
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    #

    • 2 years ago
  3. fallingangel Group Title
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    A numeral or group of numerals. The sum, total, count, or aggregate of a collection of units.

    • 2 years ago
  4. dogs_best1997 Group Title
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    123467890 is the numbers

    • 2 years ago
  5. pratu043 Group Title
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    It is something that is used for counting ...

    • 2 years ago
  6. glgan1 Group Title
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    A number is a symbol.

    • 2 years ago
  7. dogs_best1997 Group Title
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    A number is a concept from mathematics, used to count or measure.

    • 2 years ago
  8. vamgadu Group Title
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    its the alphabet of a language . +1 @glgan1

    • 2 years ago
  9. estudier Group Title
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    Depending on who you believe, it's a set (and so is everything else)

    • 2 years ago
  10. Thabo Group Title
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    Guys, a simple but mathematical explanation

    • 2 years ago
  11. dogs_best1997 Group Title
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    Natural numbers are the numbers which we normally use for counting, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

    • 2 years ago
  12. fallingangel Group Title
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    What I said. A numeral or group of numerals. The sum, total, count, or aggregate of a collection of units.

    • 2 years ago
  13. estudier Group Title
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    Is sqrt 2 a number?

    • 2 years ago
  14. shubhamsrg Group Title
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    google over or go for wikipedia for orthodox results..

    • 2 years ago
  15. Thabo Group Title
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    Ok. a number is a measure of quantity

    • 2 years ago
  16. estudier Group Title
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    "Ok. a number is a measure of quantity" So 2 is a measure of 2?

    • 2 years ago
  17. Thabo Group Title
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    Yes, a "simple" as that

    • 2 years ago
  18. estudier Group Title
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    That isn't simple, it is circular and doesn't mean anything...

    • 2 years ago
  19. Thabo Group Title
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    How is my definition wrong

    • 2 years ago
  20. estudier Group Title
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    It is the same as saying 2=2 which is not wrong, just devoid of meaning.

    • 2 years ago
  21. estudier Group Title
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    That's an improvement....what is "arithmetical"?

    • 2 years ago
  22. estudier Group Title
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    Now you have gone all circular as well...:-)

    • 2 years ago
  23. Thabo Group Title
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    Give us your definition then

    • 2 years ago
  24. estudier Group Title
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    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.

    • 2 years ago
  25. Thabo Group Title
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    I don't understand you

    • 2 years ago
  26. estudier Group Title
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    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.

    • 2 years ago
  27. Thabo Group Title
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    I just wanted to know what is a number according to you guys that all

    • 2 years ago
  28. estudier Group Title
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    Mathematically, it is a set.

    • 2 years ago
  29. estudier Group Title
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    "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

    • 2 years ago
  30. Thabo Group Title
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    oh, that a pretty interesting definition. Thanks

    • 2 years ago
  31. estudier Group Title
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    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.

    • 2 years ago
  32. Thabo Group Title
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    Ok. thanks everyone!

    • 2 years ago
  33. SmoothMath Group Title
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    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.

    • 2 years ago
  34. hreeg97 Group Title
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    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

    • 2 years ago
  35. UnkleRhaukus Group Title
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    A number is a measurement without units

    • 2 years ago
  36. Thabo Group Title
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    Oh, not what do you mean?

    • 2 years ago
  37. UnkleRhaukus Group Title
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    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

    • 2 years ago
  38. Thabo Group Title
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    Yes, I like that word "comparison"

    • 2 years ago
  39. UnkleRhaukus Group Title
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    i really like this question

    • 2 years ago
  40. UnkleRhaukus Group Title
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    would numbers mean anything at all if well didn't use the same scales?

    • 2 years ago
  41. JoJo-Phoenix Group Title
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    A number shows the amount of something and was created to show how much something was.

    • 2 years ago
  42. JoJo-Phoenix Group Title
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    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

    • 2 years ago
  43. Thabo Group Title
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    There would be trouble in this world without "comparison"

    • 2 years ago
  44. SmoothMath Group Title
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    The truth is, numbers, just like words, are defined arbitrarily, but are useful for human communication of ideas that are inherent in reality.

    • 2 years ago
  45. UnkleRhaukus Group Title
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    truth is a binary measurement , requiring a measurer , such as a person

    • 2 years ago
  46. UnkleRhaukus Group Title
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    0=False 1=True, are these arbitrary, @SmoothMath

    • 2 years ago
  47. SmoothMath Group Title
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    Yes.

    • 2 years ago
  48. UnkleRhaukus Group Title
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    i think so too

    • 2 years ago
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