The discussion on the principle of non-contradiction (1946–1957) between Marxist and non-Marxist philosophers was one of the major philosophical discussions in Polish philosophy of this period. In my text, I carefully reconstruct this discussion and outline its relation to Soviet debates on the subject. I show that the change in Schaff’s position happened in the early 1950s under the combined influence of the Lvov–Warsaw School and the changes in the official Soviet position regarding formal logic. I discuss the aftermath following (...) Schaff’s change in attitude towards the analytic tradition for the development of Polish philosophy, as well as the critique of this change by Jarosław Ładosz. In my reconstruction of the latter, I focus on the problem of the historical development of science. I refer to Ilyenkov’s critique of Schaff, opposing synchronic (“positivist”) and diachronic (“dialectical”) concepts of knowledge. As I argue, these opposing concepts of science can be seen as a genuine issue at stake in the Polish discussion as well, especially in the polemic between Schaff and Ładosz. (shrink)

The text introduces a translation of Ilyenkov’s famous text “On the State of Philosophy,” which was meant as a letter to the Central Committee of the CPSU and expressed his exasperation with the development of Soviet philosophy. In our introduction, we describe the historical context of the emergence of the letter, including the main changes in Soviet philosophy in the 1960s (esp. rise in popularity of cybernetics), and the institutional details of Ilyenkov’s biography. We point to the contemporary relevance of (...) the letter by emphasizing how Ilyenkov’s dialectical account of science can enrich contemporary discussions in the sociology of science and STS. (shrink)