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40Incompatibility, inconsistency, and logical analysis in Tractatus Logico-PhilosophicusSynthese 199 (3-4): 8171-8186. 2021.Statements of degree appear to falsify basic doctrines in Tractatus Logico-Philosophicus. I offer a fresh formulation of the challenge and assess a solution proposed on Wittgenstein’s behalf by Sarah Moss. I find that Moss’s proposal fails. The proposal rides in part on novel interpretations of pronouncements by Wittgenstein on the nature of the elementary proposition. I find that the interpretations cannot be sustained but that Moss’s textual case hints at important and overlooked features of t…Read more
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Frege on indirect proof. History and Philosophy of Logic, vol. 32Bulletin of Symbolic Logic 18 (2): 273-274. 2012.
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61Frege on Indirect ProofHistory and Philosophy of Logic 32 (3): 283-290. 2011.Frege's account of indirect proof has been thought to be problematic. This thought seems to rest on the supposition that some notion of logical consequence ? which Frege did not have ? is indispensable for a satisfactory account of indirect proof. It is not so. Frege's account is no less workable than the account predominant today. Indeed, Frege's account may be best understood as a restatement of the latter, although from a higher order point of view. I argue that this ascent is motivated by Fr…Read more
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