Teorema de Pitágoras (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Teorema de Pitágoras" in Spanish language version.

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Judith D. Sally; Paul Sally (2007). «Chapter 3: Pythagorean triples». Roots to research: a vertical development of mathematical problems. American Mathematical Society Bookstore. p. 63. ISBN 978-0-8218-4403-8.

Alexander Bogomolny, Teorema de Pitágoras para los recíprocos,https://www.cut-the-knot.org/pythagoras/PTForReciprocals.shtml

Friberg, Jöran (1981). «Methods and traditions of Babylonian mathematics: Plimpton 322, Pythagorean triples, and the Babylonian triangle parameter equations». Historia Mathematica 8: 277-318. doi:10.1016/0315-0860(81)90069-0. : p. 306 "Although Plimpton 322 is a unique text of its kind, there are several other known texts testifying that the Pythagorean theorem was well known to the mathematicians of the Old Babylonian period."

Friberg, Jöran (1981). «Methods and traditions of Babylonian mathematics: Plimpton 322, Pythagorean triples, and the Babylonian triangle parameter equations». Historia Mathematica 8: 277-318. doi:10.1016/0315-0860(81)90069-0. : p. 306 "Although Plimpton 322 is a unique text of its kind, there are several other known texts testifying that the Pythagorean theorem was well known to the mathematicians of the Old Babylonian period."

Høyrup, Jens. «Pythagorean ‘Rule’ and ‘Theorem’ – Mirror of the Relation Between Babylonian and Greek Mathematics». En Renger, ed. Babylon: Focus mesopotamischer Geschichte, Wiege früher Gelehrsamkeit, Mythos in der Moderne. 2. Internationales Colloquium der Deutschen Orient-Gesellschaft 24.–26. März 1998 in Berlin. Berlin: Deutsche Orient-Gesellschaft / Saarbrücken: SDV Saarbrücker Druckerei und Verlag. pp. 393-407. , p. 406, "To judge from this evidence alone it is therefore likely that the Pythagorean rule was discovered within the lay surveyors’ environment, possibly as a spin-off from the problem treated in Db₂-146, somewhere between 2300 and 1825 BC." (Db₂-146 is an Old Babylonian clay tablet from Eshnunna concerning the computation of the sides of a rectangle given its area and diagonal.)