Frases de Thomas Kuhn

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Thomas Kuhn

Data de nascimento: 18. Julho 1922
Data de falecimento: 17. Junho 1996

Thomas Samuel Kuhn foi um físico e filósofo da ciência estadunidense.

Seu trabalho incidiu sobre história da ciência e filosofia da ciência, tornando-se um marco no estudo do processo que leva ao desenvolvimento científico. Wikipedia

Citações Thomas Kuhn

„Only when they must choose between competing theories do scientists behave like philosophers.“

—  Thomas Kuhn

Thomas Kuhn (1970) in Logic of Discovery or Psychology of Research?, edited by [Imre Lakatos, Alan Musgrave, Criticism and the growth of knowledge, Cambridge University Press, 1970, 0521096235, 7]

„In science, as in the playing card experiment, novelty emerges only with difficulty, manifested by resistance, against a background provided by expectation.“

—  Thomas Kuhn, livro The Structure of Scientific Revolutions

Fonte: The Structure of Scientific Revolutions (1962), VI. Anomaly and the Emergence of Scientific Discoveries, p. 64 (2012 ed.)

„Scientific revolutions are inaugurated by a growing sense… that an existing paradigm has ceased to function adequately in the exploration of an aspect of nature to which that paradigm itself had previously led the way.“

—  Thomas Kuhn, livro The Structure of Scientific Revolutions

Fonte: The Structure of Scientific Revolutions (1962), VII. Crisis and the Emergence of Scientific Theories, p. 91 (2012 ed.)

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„I rapidly discovered that Aristotle had known almost no mechanics at all. … How could his characteristic talents have deserted him so systematically when he turned to the study of motion and mechanics? Equally, if his talents had so deserted him, why had his writings in physics been taken so seriously for so many centuries after his death? … I was sitting at my desk with the text of Aristotle's Physics open in front of me… Suddenly the fragments in my head sorted themselves out in a new way, and fell into place together. My jaw dropped, for all at once Aristotle seemed a very good physicist indeed, but of a sort I'd never dreamed possible. Now I could understand why he had said what he'd said, and what his authority had been. Statements that had previously seemed egregious mistakes, now seemed at worst near misses within a powerful and generally successful tradition. That sort of experience -- the pieces suddenly sorting themselves out and coming together in a new way -- is the first general characteristic of revolutionary change that I shall be singling out after further consideration of examples. Though scientific revolutions leave much piecemeal mopping up to do, the central change cannot be experienced piecemenal, one step at a time. Instead, it involves some relatively sudden and unstructured transformation in which some part of the flux of experience sorts itself out differently and displays patterns that were not visible before.“

—  Thomas Kuhn

Fonte: The Road Since Structure (2002), p. 16-17; from "What Are Scientific Revolutions?" (1982)

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