Where can I find Lagrange's original proof of the Remainder Theorem?

  • $\begingroup$ Which historical works have you consulted? $\endgroup$ Dec 17 '14 at 8:45
  • $\begingroup$ @user72694 Lagrange's Théorie des fonctions analytiques but I should have said I was hoping for a modern rendering. (I am French so that is not the difficulty.) $\endgroup$
    – schremmer
    Dec 18 '14 at 15:27

See pages 440-450 Pringsheim: Pringsheim, A. 1900. "Zur Geschichte des Taylorschen Lehrsatzes." Bibl. math., (3)1(1900), 433-479.

  • $\begingroup$ Thank you very much, I will do so ... when I can locate it. Hopefully, it will be at U of Penn. Just curious: how come you knew? $\endgroup$
    – schremmer
    Dec 19 '14 at 17:40
  • $\begingroup$ I found the reference in a book of the feu Grattan-Guinness. $\endgroup$ Dec 20 '14 at 19:47
  • $\begingroup$ I assume it is "The Development of the Foundations of Mathematical Analysis from Euler to Riemann". Does he discuss Lagrange's proof? (Haven't been able to get Pringsheim yet.) $\endgroup$
    – schremmer
    Dec 22 '14 at 1:05
  • $\begingroup$ No, he doesn't. He also gives another reference by Brill and Noether from 1893. $\endgroup$ Dec 22 '14 at 9:34
  • $\begingroup$ Well then, it seems I am going to have to do it myself. (But Lagrange is nice to read if not always easy.) Thank you for the references. $\endgroup$
    – schremmer
    Dec 23 '14 at 13:55

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