Skepticism - Rationalism, Doubt, Inquiry: In Western thought, skepticism has raised basic epistemological issues. In view of the varieties of human experience, it has questioned whether it is possible to determine which experiences are veridical. The variations that occur in different perceptions of what is presumed to be one object raise the question of which view is correct. The occurrence. Skepticism, the attitude of doubting knowledge claims set forth in various areas. Philosophical skeptics have doubted the possibility of any knowledge not derived directly from experience, and they have developed arguments to undermine the contentions of dogmatic philosophers, scientists, and theologians. Postmodernism, in contemporary Western philosophy, a late 20th-century movement characterized by broad skepticism, subjectivism, or relativism; a general suspicion of reason; and an acute sensitivity to the role of ideology in asserting and maintaining political and economic power. Logical positivism, a philosophical movement that arose in Vienna in the 1920s and was characterized by the view that scientific knowledge is the only kind of factual knowledge and that all traditional metaphysical doctrines are to be rejected as meaningless. A brief treatment of logical positivism Pyrrhonism, philosophy of Skepticism derived from Pyrrho of Elis (c. 370–c. 272 bce), generally regarded as the founder of ancient Skepticism. He identified as wise men those who suspend judgment (practice epochē) and take no part in the controversy regarding the possibility of certain knowledge. Scientific Revolution, drastic change in scientific thought that took place during the 16th and 17th centuries. A new view of nature emerged during the Scientific Revolution, replacing the Greek view that had dominated science for almost 2,000 years. Learn more about the Scientific Revolution in this article. The philosophy of common sense developed as a reaction against the skepticism of David Hume and the subjective idealism of George Berkeley, both of which seemed to issue from an excessive stress on ideas. This provided what seemed to the common sense philosophers to be a false start leading from fundamental premises to absurdities. Enlightenment, a European intellectual movement of the 17th and 18th centuries that emphasized the use of reason to advance understanding of the universe and to improve the human condition. The goals of the Enlightenment were knowledge, freedom, and happiness. Skepticism - Medieval, Philosophical, Doubt: Pyrrhonism ended as a philosophical movement in the late Roman Empire, as religious concerns became paramount. In the Christian Middle Ages the main surviving form of skepticism was the Academic, as described in St. Augustine’s Contra academicos. Epochē, in Greek philosophy, “suspension of judgment,” a principle originally espoused by nondogmatic philosophical Skeptics of the ancient Greek Academy who, viewing the problem of knowledge as insoluble, proposed that, when controversy arises, an attitude of noninvolvement should be adopted in.