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6 - Taylor's theorem

Published online by Cambridge University Press:  05 June 2014

T. W. Körner
Affiliation:
University of Cambridge
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Summary

Do the higher derivatives exist?

Mathematicians sometimes express opinions about non-mathematical topics to the intense annoyance of those who feel that they should stick to their own business. In 1734, a very annoyed Bishop Berkeley decided to attack mathematicians on their home ground and wrote a short, but extremely clever, pamphlet entitled

THE ANALYST

A Discourse addressed to an Infidel Mathematician.

Wherein it is examined

whether the Object, Principles, and Inferences

of the modern Analysis are more distinctly conceived,

or more evidently deduced, than Religious Mysteries and Points of Faith.

In it, he argues that the calculus as then conceived was such a tissue of unfounded assumptions as to remove every shred of authority from its practitioners. If the reader substitutes our ‘derivative’ for words like ‘fluxions’, ‘differences’ and ‘infinitesimals’ she will get the flavour of his attack

And yet in the calculus differentialis, which Method serves to all the same Intents and Ends with that of Fluxions, our modern Analysts are not content to consider only the Differences of finite Quantities: they also consider the Differences of those Differences, and the Differences of the Differences of the first Differences. And so on ad infinitum. That is, they consider Quantities infinitely less than the least discernible Quantity; and others infinitely less than those infinitely small ones; and still others infinitely less than the preceding Infinitesimals, and so on without end or limit. …

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Publisher: Cambridge University Press
Print publication year: 2014

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  • Taylor's theorem
  • T. W. Körner, University of Cambridge
  • Book: Calculus for the Ambitious
  • Online publication: 05 June 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781107517271.007
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  • Taylor's theorem
  • T. W. Körner, University of Cambridge
  • Book: Calculus for the Ambitious
  • Online publication: 05 June 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781107517271.007
Available formats
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To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Taylor's theorem
  • T. W. Körner, University of Cambridge
  • Book: Calculus for the Ambitious
  • Online publication: 05 June 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781107517271.007
Available formats
×