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.

Citações Thomas Kuhn

„A scientific theory is usually felt to be better than its predecessors not only in the sense that it is a better instrument for discovering and solving puzzles but also because it is somehow a better representation of what nature is really like. One often hears that successive theories grow ever closer to, or approximate more and more closely to, the truth. Apparently generalizations like that refer not to the puzzle-solutions and the concrete predictions derived from a theory but rather to its ontology, to the match, that is, between the entities with which the theory populates nature and what is “really there.”“

—  Thomas Kuhn, livro The Structure of Scientific Revolutions
The Structure of Scientific Revolutions (1962), Postscript (1969), Perhaps there is some other way of salvaging the notion of ‘truth’ for application to whole theories, but this one will not do. There is, I think, no theory-independent way to reconstruct phrases like ‘really there’; the notion of a match between the ontology of a theory and its “real” counterpart in nature now seems to me illusive in principle. Besides, as a historian, I am impressed with the implausability of the view. I do not doubt, for example, that Newton’s mechanics improves on Aristotle’s and that Einstein’s improves on Newton’s as instruments for puzzle-solving. But I can see in their succession no coherent direction of ontological development. On the contrary, in some important respects, though by no means in all, Einstein’s general theory of relativity is closer to Aristotle’s than either of them is to Newton’s.

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„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]

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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