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2 ideas
12027 | There must be a plausible epistemological theory alongside any metaphysical theory [Forbes,G] |
Full Idea: No metaphysical account which renders it impossible to give a plausible epistemological theory is to be countenanced. | |
From: Graeme Forbes (The Metaphysics of Modality [1985], 9.1) | |
A reaction: It is hard to object to this principle, though we certainly don't want to go verificationist, and thus rule out speculations about metaphysics which are beyond any possible knowledge. Some have tried to prove that something must exist (e.g. Jacquette). |
8460 | Philosophers have given precise senses to deduction, probability, computability etc [Quine/Ullian] |
Full Idea: Successful explications (giving a precise sense to a term) have been found for the concepts of deduction, probability and computability, to name just three. | |
From: W Quine / J Ullian (The Web of Belief [1970], 65), quoted by Alex Orenstein - W.V. Quine Ch.3 | |
A reaction: Quine also cites the concept of an 'ordered pair'. Orenstein adds Tarski's definition of truth, Russell's definite descriptions, and the explication of existence in terms of quantifications. Cf. Idea 2958. |