The role of philosophy of science on the formation of postmodern social theory has not been discussed as much as the role of the some of the other philosophical diciplines. At this point, by considering the postmodern social theory, current text proposes to discuss the basic theories and arguments of some thinkers who could be named as the contemporary representatives of philosophy of science. For this purpose, Popper’s idea of falsification and criticism on historicism, Kuhn’s theory on paradigms and Feyerabend’s ‘anarchistic’ manner on methodological restrictions or classification on scientific occupation will construct the background of the study. After the first step, postmodern social theory and it’s basic arguments will be inc...