عنوان مقاله [English]
Kuhn explains the progress of science without appeal to the concept of truth or truthlikeness. He is not agree with thecommon view according to which the accumulation of confirmed theories is the couse of progress in science. In his viewpoint the Scientific revolution is an interrupt which make an incommensurable paradigm. A paradigm could make an appropriate background for reaserch in spesific and specialized problems and in solving it’s own internal puzzlessemes in progress. Scientists assent on evaluating criterians also forticates the assumption of progress.by appeal to the evolution theory,Kuhn denies any design in the history ofscience and regards the compexity of scintific branches as a result of unfocused transitions. Though he regardes revolutions as interrupts but this claim is not confirmed by the history of science and as his critiques have argued even in his so called revolutions many of the results of thr past researches are reserved. Kuhn in his late workes requestes for a revolution in themeaning of revolution.