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rational point  

Definición

  • In number theory and algebraic geometry, a rational point of an algebraic variety is a point whose coordinates belong to a given field. If the field is not mentioned, the field of rational numbers is generally understood. If the field is the field of real numbers, a rational point is more commonly called a real point.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Rational_point)

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http://data.loterre.fr/ark:/67375/PSR-X4T66M9Z-4

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