المعقول واللامعقول في فلسفة "توماس كون"

الملخص EN

Scientific rationality subject formed a center of dialectic among philosophers and historians of science, in particular in the last trimester of the 20th century.one outcome of this dialectic was emergence of two trends in contemporary philosophy of science: one trend presents rationality in the science.

and the other is a relative an irrational trend, which militates against different forms of scientific rationality.

relativist and irrationality tendency in the philosophy of science have been associated with the American historian and philosopher of science "Thomas Kuhn".

who founded a new concept of rationality.

this means that the complex history of science and knowledge requires going beyond overcoming the model of modernist scientific rationality.

so; this article aims to demonstrate both the rational and the irrational in Kuhn's philosophy and its impact on the subsequent epistemological and sociological studies.