A Mathematicians Apology Hardy Pdf

A mathematicians apology hardy pdf

A Mathematician's Apology

A Mathematician's Apology is a essay by British mathematician G. It concerns the aesthetics of mathematics with some personal content, and gives the layman an insight into the mind of a working mathematician.

"A Mathematician's Apology" - Book Review - LThMath

In the book's title, Hardy uses the word " apology " in the sense of a formal justification or defence as in Plato 's Apology of Socrates , not in the sense of a plea for forgiveness. Hardy felt the need to justify his life's work in mathematics at this time mainly for two reasons. Firstly, at age 62, Hardy felt the approach of old age he had survived a heart attack in and the decline of his mathematical creativity and skills.

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By devoting time to writing the Apology, Hardy was admitting that his own time as a creative mathematician was finished. In his foreword to the edition of the book, C. Snow describes the Apology as "a passionate lament for creative powers that used to be and that will never come again".

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In Hardy's words, "Exposition, criticism, appreciation, is work for second-rate minds. The function of a mathematician is to do something, to prove new theorems, to add to mathematics, and not to talk about what he or other mathematicians have done. Secondly, at the start of the World War II , Hardy, a committed pacifist , wanted to justify his belief that mathematics should be pursued for its own sake rather than for the sake of its applications.

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He wanted to write a book in which he would explain his mathematical philosophy to the next generation of mathematicians; that would defend mathematics by elaborating on the merits of pure mathematics solely, without having to resort to the attainments of applied mathematics in order to justify the overall importance of mathematics; and that would inspire the upcoming generations of pure mathematicians.

Hardy was an atheist , and makes his justification not to God but to his fellow man. One of the main themes of the book is the beauty that mathematics possesses, which Hardy compares to painting and poetry. Hardy contends that if useful knowledge is defined as knowledge which is likely to contribute to the material comfort of mankind in the near future if not right now , so that mere intellectual satisfaction is irrelevant, then the great bulk of higher mathematics is useless.

He justifies the pursuit of pure mathematics with the argument that its very "uselessness" on the whole meant that it could not be misused to cause harm. On the other hand, Hardy denigrates much of the applied mathematics as either being "trivial", "ugly", or "dull", and contrasts it with "real mathematics", which is how he ranks the higher, pure mathematics.

A mathematicians apology hardy pdf

Hardy expounds by commenting about a phrase attributed to Carl Friedrich Gauss that "Mathematics is the queen of the sciences and number theory is the queen of mathematics. If an application of number theory were to be found, then certainly no one would try to dethrone the "queen of mathematics" because of that.

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What Gauss meant, according to Hardy, is that the underlying concepts that constitute number theory are deeper and more elegant compared to those of any other branch of mathematics. Another theme is that mathematics is a "young man's game", so anyone with a talent for mathematics should develop and use that talent while they are young, before their ability to create original mathematics starts to decline in middle age.

This view reflects Hardy's increasing depression at the wane of his own mathematical powers.

A mathematicians apology hardy pdf

For Hardy, real mathematics was essentially a creative activity, rather than an explanatory or expository one. Some of Hardy's examples seem unfortunate in retrospect. For example, he writes, "No one has yet discovered any warlike purpose to be served by the theory of numbers or relativity, and it seems unlikely that anyone will do so for many years.

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The applicability of a mathematical concept is not the reason that Hardy considered applied mathematics somehow inferior to pure mathematics, though; it is the simplicity and prosiness that belong to applied mathematics that led him to describe them as he did. From Wikipedia, the free encyclopedia.

A mathematicians apology hardy pdf

This article includes a list of references , but its sources remain unclear because it has insufficient inline citations. Please help to improve this article by introducing more precise citations. January Learn how and when to remove this template message.

The Art of Mathematics. Fawcett Columbine.

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A mathematicians apology hardy pdf

Ancient Polykleitos Canon Vitruvius De architectura.