David-Hillel Ruben

This paper, an extract from my Marxism and Materialism: Studies in Marxist Theory of Knowledge, discusses the epistemological status of philosophical realism. I take realism to be a necessary part of what Marx meant by 'materialism'. I argue that there are no valid, non-question-begging, decuctive arguments for the truth of realism; nor does empirical science inductively 'confirm' realism, in any technical sense of 'confirmation'. I argue that the relationship between realism and science is one of methodological continuity, in a sense difficult to specify exactly, since the denial of the essential independence from the mind of the material world ends in theology, at least in the tradition of absolute idealism. I then examine Lenin's Materialism and Empirio-Criticism, in which I claim to find the same argument about methodological continuity, and show how this claim might be applied to the tradition of subjective idealism, with its use of counterfactuals and logically possible experiences in the 'reduction' of the physical world to experience.

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The empiricist theory of epistemological warrant is not without its attractions. If our beliefs are to be more than “hypothetical”, if they are to be beliefs about our world, then surely at some point our beliefs must be warranted by and anchored to the world by our experience. If our beliefs were not so anchored by our experience, then—to switch metaphors now with C.I. Lewis—“… the whole system of such would provide no better assurance of anything in it than that which attaches to the contents of a well-written novel.” Quinton has argued “… that it is through their connection with experience that basic statements derive that initial support without which no statement whatever would have any justification …”. Roderick Firth speaks of “the central thesis of epistemic priority—the thesis that some statements have some degree of warrant which is independent of the warrant that they derive from their coherence with other statements”. Quinton, again, has distinguished between the evidence that one proposition can lend another, i.e. propositional evidence, and the evidence that, ultimately, only experience can provide for foundation or basic propositions, experiential evidence.

Metaphysically speaking, just what is trying? There appear to be two options: to place it on the side of the mind or on the side of the world. Volitionists, who think that to try is to engage in a mental act, perhaps identical to willing and perhaps not, take the mind-side option. The second, or world-side option identifies trying to do something with one of the more basic actions by which one tries to do that thing. The trying is then said to be identical with the physical action. -/- After carefully stating the second, world-side view, I produce two arguments against it. The first relies on the fact that if a=b and b=c, then a=c, sometimes put colloquially as: if something is identical to two things, then the two things must be identical to one another. In the case of trying, one might try to do something by performing a plurality of simultaneous actions, a sure sign that the relation between the trying and the plurality of actions by which one tries must be some relation other than identity. -/- The second argument discusses two cases, recorded in William James’ The Principles of Psychology, of a patient who tries but who performs no action whatever. This is sometimes called ‘naked trying’. A recent attempt at denying that there can be such cases of naked trying is examined and dismissed