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© 2005 American Institute of Physics, S-0031-9228-0512-010-9 N explicit engagement with the philosophy of science plays almost no role in the training of physicists or in physics research. What little the student learns about philosophical issues is typically learned casually, by a kind of intellectual osmosis. One picks up ideas and opinions in the lecture hall, in the laboratory, and in colla...

abstract nature of philosophy is one of the most important and controversial discussions in history of philosophy. early wittgenstein as not only very great philosopher in the history but also the greatest philosopher in contemporary philosophy critic the traditional metaphysics and determinate the boundary of language. he assign language as a picture of the world then determinate extent of sen...