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A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers: 1, 2, 3, 4, 5, and so forth. Individual numbers can be represented in spoken or written language with number words, or with dedicated symbols called numerals; for example, "eleven" is a number word and "11" is the corresponding numeral.…
History, Extensions of the concept & Complex numbers
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numbers real used complex zero negative called integer set decimal algebraic system concept first natural mathematical rational example century numeral
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Number | is a | mathematical object used to count | 0.90 | text |
| Number | is a | positive number | 0.90 | text |
| Number | is a | numerical value that is not the root of a polynomial with integer coefficients | 0.90 | text |
| Number | is a | sum of two primes | 0.90 | text |
| Number | is a | number that can be expressed as a fraction with an integer numerator and a positive integer denominator | 0.90 | text |
| Number | is a | real number | 0.90 | text |
| Number | is a | integer that is | 0.90 | text |
| negative one | instance of | negative numbers | 0.80 | text |
| the Rhind Mathematical Papyrus | instance of | The Ancient Egyptians used their Egyptian fraction notation for rational numbers in mathematical texts | 0.80 | text |
| the Kahun Papyrus | instance of | The Ancient Egyptians used their Egyptian fraction notation for rational numbers in mathematical texts | 0.80 | text |
| Niccolò Fontana Tartaglia | instance of | They became more prominent when in the 16th century closed formulas for the roots of third and fourth degree polynomials were discovered by Italian mathematicians | 0.80 | text |
| Gerolamo Cardano | instance of | They became more prominent when in the 16th century closed formulas for the roots of third and fourth degree polynomials were discovered by Italian mathematicians | 0.80 | text |
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