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Demarcation in Philosophy of Science

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PHILOSOPHY OF SCIENCE

DEMARCATION

Philosophy of science is concerned with the assumptions, foundations, methods, implications of science, and with the use and merit of science.

Demarcation
The demarcation problem in the philosophy of science is about how to distinguish between science and nonscience, and more specifically, between science and pseudoscience (a theory or method doubtfully or mistakenly held to be scientific). The debate continues after over a century of dialogue among philosophers of science and scientists in various fields, and despite broad agreement on the basics of scientific method.

The demarcation problem is the philosophical problem of determining what types of hypotheses should be considered scientific …show more content…

* Popper's demarcation criterion has been criticized both for excluding legitimate science and for giving some pseudosciences the status of being scientific.
Postpositivism
* Thomas Kuhn, an American historian and philosopher of science, is often connected with what has been called postpositivism.

* In 1962, Kuhn published The Structure of Scientific Revolutions, which depicted the development of the basic natural sciences in an innovative way. According to Kuhn, the sciences do not uniformly progress strictly by scientific method. Rather, there are two fundamentally different phases of scientific development in the sciences. In the first phase, scientists work within a paradigm (set of accepted beliefs). When the foundation of the paradigm weakens and new theories and scientific methods begin to replace it, the next phase of scientific discovery takes place. Kuhn believes that scientific progress—that is, progress from one paradigm to another—has no logical reasoning. He undermines science as a whole by arguing that what is considered science changes throughout history in such a way that there is no objective way (outside of time or place) to demarcate a scientific belief from a pseudoscientific belief. Science, Kuhn argues, is like politics: institutions believe that certain ways are better than others at

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