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Naturalized epistemology


Naturalized epistemology, coined by W. V. O. Quine, is a collection of philosophic views concerned with the theory of knowledge that emphasize the role of natural scientific methods. This shared emphasis on scientific methods of studying knowledge shifts focus to the empirical processes of knowledge acquisition and away from many traditional philosophical questions. There are noteworthy distinctions within naturalized epistemology. Replacement naturalism maintains that traditional epistemology should be abandoned and replaced with the methodologies of the natural sciences. The general thesis of cooperative naturalism is that traditional epistemology can benefit in its inquiry by using the knowledge we have gained from the cognitive sciences. Substantive naturalism focuses on an asserted equality of facts of knowledge and natural facts.

Objections to naturalized epistemology have targeted features of the general project as well as characteristics of specific versions. Some objectors suggest that natural scientific knowledge cannot be circularly grounded by the knowledge obtained through cognitive science, which is itself a natural science. This objection from circularity has been aimed specifically at strict replacement naturalism. There are similar challenges to substance naturalism that maintain that the substance naturalists' thesis that all facts of knowledge are natural facts is not only circular but fails to accommodate certain facts. Several other objectors have found fault in the inability of naturalized methods to adequately address questions about what value forms of potential knowledge have or lack. Naturalized epistemology is generally opposed to the anti-psychologism of Immanuel Kant, Gottlob Frege, Karl Popper, Edmund Husserl and others.

W. V. O. Quine's version of naturalized epistemology considers reasons for serious doubt about the fruitfulness of traditional philosophic study of scientific knowledge. These concerns are raised in light of the long attested incapacity of philosophers to find a satisfactory answer to the problems of radical scepticism, more particularly, to David Hume's criticism of induction. But also, because of the contemporaneous attempts and failures to reduce mathematics to pure logic by those in or philosophically sympathetic to The Vienna Circle. He concludes that studies of scientific knowledge concerned with meaning or truth fail to achieve the Cartesian goal of certainty. The failures in the reduction of mathematics to pure logic imply that scientific knowledge can at best be defined with the aid of less certain set-theoretic notions. Even if set theory's lacking the certainty of pure logic is deemed acceptable, the usefulness of constructing an encoding of scientific knowledge as logic and set theory is undermined by the inability to construct a useful translation from logic and set-theory back to scientific knowledge. If no translation between scientific knowledge and the logical structures can be constructed that works both ways, then the properties of the purely logical and set-theoretic constructions do not usefully inform understanding of scientific knowledge.


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