Editorial MICHAEL FRIEDMAN, Scientific Philosophy from Helmholtz to Carnap and Quine -- GEORG SCHIEMER, Carnap’s Untersuchungen: Logicism, Formal Semantics,and Metatheory -- MATTHIAS NEUBER, Realism as a Problem of Language – From Carnap to Reichenbach and Kaila -- RICHARD CREATH, Analyticity in the Theoretical Language: Is a Different Account Really Necessary? -- CHRISTIAN DAMBÖCK, Rudolf Carnap and Wilhelm Dilthey: “German” Empiricism in the Aufbau -- CHRISTOPH LIMBECK-LILIENAU, Carnap’s Encounter with Pragmatism -- THOMAS MORMANN, Toward a Theory of the Pragmatic A Priori:From Carnap to Lewis and Beyond -- THOMAS UEBEL, Carnap, Philosophy, and “Politics in its Broadest Sense” -- GENERAL PART -- REVIEW ESSAYS -- THOMAS MORMANN, A Virtual Debate in Exile: Cassirer and the Vienna Circle after 1933 -- JOHN MICHAEL, Emergence – still trendy after all these years -- REVIEWS -- Anne Siegetsleitner (Ed.), Logischer Empirismus, Werte und Moral, Wien–New York: Springer, 2010 (Massimo Ferrari).-   Matthew Eve and Christopher Burke (Eds.), Otto Neurath: From hieroglyphics to Isotype. A Visual Autobiography. London: Hyphen Press 2011. (Günther Sandner).-  Giovanni Vailati. Logic and Pragmatism. Selected Essays by Giovanni Vailati. Edited by Claudia Arrighi, Paola Cantù, Mauro de Zan, and Patrick Suppes. Stanford: CSLI, 2010. (Paolo Palmieri) The Significance of the Hypothetical in the Natural Sciences. Ed. by Michael Heidelberger and Gregor Schiemann. Berlin: De Gruyter, 2009. (Miles MacLeod) Karl von Meyenn (ed.), Eine Entdeckung von ganz außerordentlicher Tragweite. Schrödingers Briefwechsel zur Wellenmechanik und zum Katzenparadox. Springer-Verlag: Berlin Heidelberg 2011. (Wolfgang Reiter) Activities of the Institute Vienna Circle -- Index of Names.

A collection of papers on various aspects of the work of Rudolf Carnap by an international group of distinguished scholars.  The volume shows the rich variety of Carnap’s concerns and his place within important intellectual traditions that shape our thinking even today.