SOPhiA 2019

Salzburgiense Concilium Omnibus Philosophis Analyticis

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Programme - Talk

The Emergence of Logical Pluralism: A Closer Look at the Philosophy of Hans Hahn
(History of Philosophy, English)

Outlines of the history or philosophy of logical empiricism mention Hans Hahn in passing, if at all. He is usually characterized as a typical proponent of the Vienna Circle, embracing both empiricism and modern logic, defending logicism, and rejecting synthetic judgements a priori.

However, by considering archival material and the specific audience of his few philosophical writings, this paper argues that a closer look at Hahn_s philosophy reveals hitherto underappreciated peculiarities.

We argue that (1) by adapting Russell's logicism and Wittgenstein's nominalism, Hahn develops his own specific variant of logicism, (2) Hahn consistently defends a principle of tolerance and logical pluralism prior to Carnap and Menger, and (3) contrary to first impressions, Hahn's logical pluralism is compatible with his endorsement of Occam's Razor.

Time: 10:00-10:30, 19 September 2019 (Thursday)
Location: SR 1.005

Alexander Linsbichler 
(University of Vienna, Austria)

Alexander is a fellow at the DK ''The Sciences in Historical, Philosophical and Cultural Contexts'' and a lecturer at the Department of Economics (University of Vienna). He has worked as a guest researcher at the University of Manchester, Universidade Federal de Santa Catarina, and Duke University. Besides his current research project on the relation between Logical Empiricism and the Austrian School of Economics, his research interests include model theory, history of economic thought, philosophical logic, history of analytic philosophy, and philosophy of science.

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