The Architecture of Reason

Book Information The Architecture of Reason. By Robert Audi. Oxford University Press. Oxford. 2001. Pp. xvi + 286. Hardback, £26.50.     

Liberal Exclusions and Foundationalism

Certain versions of liberalism exclude from public political discussions the reasons some citizens regard as most fundamental, reasons having to do with their deepest religious, philosophical, moral or political views. This liberal exclusion of deep and deeply held reasons from political discussions has been controversial. In this article I will point out a way in which the discussion seems to presuppose a foundationalist conception of human reasoning. This is rather surprising, inasmuch as one of the foremost advocates of liberalism, John Rawls, is also known for being one of the first advocates of reflective equilibrium, which is clearly a coherentist approach to theory construction and justification. I will begin in Park I by making my charge against an almost embarrassingly crude presentation of the liberal position. Then in Part II I will leap to Rawls' version of liberalism, obviously by far the most sophisticated working out of the position, and try to see whether anything remains of my criticism.     

Experience and Reason in Einstein's Epistemology

Albert Einstein insists that his epistemology made his discovery of relativity possible. He believed it was his understanding of the relationship of experience and reason that allowed him to reconsider certain “truths” of physics. Specifically, he believed that reality and thought were independent but related, and that conceptual systems are independent of but conditioned by experience. Failure to understand the relation between experience and reason had, Einstein believed, limited progress in science. His understanding of the relation, on the other hand, enabled him to formulate relativity theory and therefore provides one example of the relevance of philosophy to scientific inquiry.     

Husserl,Phenomenology, and Foundationalism

Husserl is often taken, and not without reason, to endorse the view that phenomenology's task is to provide the “absolute foundation” of human knowledge. In this paper, I will argue that the most natural interpretation of this view, namely that all human knowledge depends for its justification, at least in part, on phenomenological knowledge, is philosophically untenable. I will also present evidence that Husserl himself held no such view, and will argue that Dan Zahavi and John Drummond, though reaching the same conclusion, reach it for the wrong reasons. In the process, I will also defend a brand of epistemological externalism according to which knowledge does not depend upon knowing the epistemic principles under which one's knowledge falls, and argue that Husserl himself held such a view. I conclude with a discussion of a few of the ways in which phenomenology positively contributes to human knowledge.     

Foundationalism,Coherentism and Rule-Following Scepticism

Semantic holists view what one's terms mean as function of all of one's beliefs and applications. Holists will thus be coherentists about how one's usage is justified: showing that one's usage of a term is justified involves showing how it coheres with the rest of one's beliefs and applications. Semantic reductionists, on the other hand, will understand such justification in a classically foundationalist fashion. Now Saul Kripke has, on Wittgenstein's behalf, famously argued for a type of scepticism about meaning and the possibility of demonstrating the correctness of one's usage. However, Kripke's argument has bite only if one understands justification in classically foundationalist terms. Consequently, Kripke's arguments, if good, lead not to a type of scepticism about meaning, but rather to the conclusion that one should be a coherentist about the justification of our usage, and thus a holist about semantic facts.     

Foundationalism, Probability, and Mutual Support

The phenomenon of mutual support presents a specific challenge to the foundationalist epistemologist: Is it possible to model mutual support accurately without using circles of evidential support? We argue that the appearance of loops of support arises from a failure to distinguish different synchronic lines of evidential force. The ban on loops should be clarified to exclude loops within any such line, and basing should be understood as taking place within lines of evidence. Uncertain propositions involved in mutual support relations are conduits to each other of independent evidence originating ultimately in the foundations. We examine several putative examples of benign loops of support and show that, given the distinctions noted, they can be accurately modeled in a foundationalist fashion. We define an evidential “tangle,” a relation among three propositions that appears to require a loop for modeling, and prove that all such tangles are trivial in a sense that precludes modeling them with an evidential circle.

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