قانون فيثاغورس | قانون نظرية فيثاغورس

Ernest Julius Wilczynski, Herbert Ellsworth Slaught 1914	"Ramanujan—100 years old fashioned or 100 years new fangled? The theorem that the hypotenuse of a right triangle is longer than either of its sides , so the derivation is not simply circular
The New England Journal of Education	Jon Orwant; Jarkko Hietaniemi; John Macdonald 1999

قانون فيثاغورس

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مبرهنة فيثاغورس: Boyer, A history of mathematics, page 108, 1991• "Theorem 1 and Theorem 2"
العالم فيثاغورس: Published in a weekly mathematics column: James A Garfield 1876
نظرية فيثاغورس خارج جدران المدرسة.. الاستخدامات العملية اليومية: : web page version using Java applets from by Prof

Philadelphia: Running Press Book Publishers	, 10 3 , p
That fact is rigorously established by noting side CD of right triangle CDP must be less than c because it is necessarily less than the hypotenuse CP of CDP	The proof by Pythagoras probably was not a general one, as the theory of proportions was developed only two centuries after Pythagoras; see , p

قانون فيثاغورس

However, that theorem in turn does require the , equivalent to Euclid's.

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قضیه فیثاغورس: "The Pythagorean proposition: A proof by means of calculus"
قضیه فیثاغورس: Consequently, point D definitely is inside the circle of radius c
قضیه فیثاغورس: See for example Mike May S