Abstract

In 1932 Ludwig Wittgenstein accused Rudolf Carnap of plagiarism and seems to have gone so far as to scrawl the word ‘Plagiarism’ on one of Carnap’s offprints and initial that note as well. Priority disputes are inherently distasteful and usually sterile. And they are often impossible to adjudicate fully. I make no such attempt here. But these disputes can also be revealing about what the participants thought they were doing and what they thought they had achieved. It is in this latter vein that I revisit the 1932 dispute. My primary focus will be on Carnap, and I begin by examining the accounts of the dispute by three distinguished philosopher/historians, Jaakko Hintikka, Thomas Uebel, and David Stern. The aim is not a verdict on Wittgenstein’s charge of plagiarism, but to see what the dispute and surrounding documents show about how Carnap’s views were developing in the early thirties, what antecedents those ideas may have had (including in Wittgenstein), and how Carnap saw the changes in his views.