Workshops

Revising Belief & Believing in Revision (September 24 - 26, 2025)

Georg Brun (University of Berne, Switzerland)
Ralf Busse (University of Mainz, Germany)
John Cantwell (KTH Kungliga Tekniska Högskolan, Sweden)
Jürgen Daiber (University of Regensburg)
Igor Douven  (Université Panthéon-Sorbonne, France)
Paul Egré (Institut Jean-Nicod, Paris, France)
Eduardo Fermé  (University of Madeira, Portugal)
Sven Ove Hansson (KTH Kungliga Tekniska Högskolan, Sweden)
Gabriele Kern-Isberner (Technical University of Dortmund, Germany)
Eva-Maria Konrad (Humboldt University of Berlin, Germany)
Maria Kronfeldner (Central European University, Austria)
Karolina Krzyżanowska (University of Amsterdam, Netherlands)
Hannes Leitgeb (LMU München, Germany)
Jaroslav Peregrin (Czech Academy of Sciences, Prague)
Thomas Petraschka (University of Regensburg)
Wlodek Rabinowicz (University of Lund, Sweden)
Hans Rott (University of Regensburg)
Wolfgang Spohn (University of Konstanz, Germany)
Vladimir Svoboda (Czech Academy of Sciences, Prague)
Johan van Benthem (University of Amsterdam, Netherlands)
Hans van Ditmarsch  (CNRS, Toulouse, France)
Verena Wagner (Humboldt University of Berlin, Germany)
Heinrich Wansing (Ruhr-University Bochum, Germany)

Reasoning under Uncertainty: Subjective Probability and Logic (August 26 - 28, 2024)

Lydia Castronovo (University of Palermo, Italy)
Gert de Cooman (Ghent University, Belgium)
Nicole Cruz (University of Potsdam, Germany)
Paul Égré (Institut Jean-Nicod, France)
Tommaso Flaminio (Artificial Intelligence Research Institute IIIA-CSIC, Spain)
Sabine Frittella (Institut National des Sciences Appliquées Centre Val de Loire, France)
Holger Leuz (University of Regensburg, Germany)
Gianluigi Oliveri (University of Palermo, Italy)
Niki Pfeifer (University of Regensburg, Germany)
Hans Rott (University of Regensburg, Germany)
Giuseppe Sanfilippo (University of Palermo, Italy)
Jon Williamson (University of Kent, UK)

Trivalent Suspension, Uncertainty and Reasoning with Conditionals (August 30 - September 1, 2023)

Caitlin Canonica (Ruhr-Universität Bochum, Germany)
John Cantwell (KTH Kungliga Tekniska högskolan, Sweden)
Massimiliano Carrara (Università degli Studi di Padova, Italy)
Mario Günther (Ludwig-Maximilians-Universität München, Germany)
Sven Ove Hansson (KTH Kungliga Tekniska högskolan, Sweden)
Tim Kraft (University of Regensburg, Germany)
Ondrej Majer (Academy of Sciences of the Czech Republic, Czech Republic)
Niki Pfeifer (University of Regensburg, Germany)
Hans Rott (University of Regensburg, Germany)
Giuseppe Sanfilippo (Università degli Studi di Palermo, Italy)
Daniela Schuster (Universität Konstanz, Germany)
Verena Wagner (Universität Konstanz, Germany)
Wei Zhu (University of Regensburg, Germany)

Ignorance in Action? Epistemic Conditions for Action and Responsibility (March 15 - 16, 2022)

Maria Alvarez (King's College London)
Anne Meylan (University of Zürich)
Kevin Reuter (University of Zürich)
Nikolaj Nottelmann (Universität Süddänemark)
Philip Robichaud (VU University Amsterdam)
George Sher (Rice University)
Paulina Sliwa (Cambridge University)
Erasmus Mayr (FAU Erlangen-Nürnberg)
Tim Kraft (Universität Regensburg)
Martin Weichold (Universität Regensburg)

Festsymposium für Prof. Dr. Franz von Kutschera (July 29, 2022)

Antonella Corradini (Università Cattolica del Sacro Cuore, Mailand)
Georg Meggle (Universität Leipzig/American University in Cairo)
Uwe Meixner (Universität Augsburg)
Wolfgang Lenzen (Universität Osnabrück)
Hans Rott (Universität Regensburg)
Peter Staudacher (Universität Potsdam)

Reasoning and uncertainty: probabilistic, logical, and psychological perspectives (August 9-10, 2022)

Andrea Capotorti (University of Perugia, Italy)
Nicole Cruz (University of Innsbruck, Austria)
Chris Fermüller (TU Wien, Austria)
Sabine Frittella (INSA Centre Val de Loire, France)
Angelo Gilio (Sapienza University of Rome, Italy)
Anthony Hunter (University College London, UK)
Gianluigi Oliveri (University of Palermo, Italy)
David Over (Durham University, UK)
Niki Pfeifer (University of Regensburg, Germany)
Hans Rott (University of Regensburg, Germany)
Giuseppe Sanfilippo (University of Palermo, Italy)
Romina Schmid (University of Regensburg, Germany)
Leon Schöppl (University of Regensburg, Germany)
Bart Verheij (University of Groningen, Netherlands)

"If ifs and ands were pots and pans...": Qualitative and quantitative approaches to reasoning and conditionals (August 27 - 28, 2020)

Nicole Cruz (UNSW Sydney)
Dorothy Edgington (University of Oxford)
Paul Egré (CNRS/ENS)
Shira Elqayam (De Montfort University)
Mario Günther (Australian National University)
Christoph Michel (Universität Regensburg)
Hitoshi Omori (Ruhr-Universität Bochum)
Niki Pfeifer (Universität Regensburg)
Hans Rott (Universität Regensburg)
Giuseppe Sanfilippo (Università degli Studi di Palermo)
Niels Skovgaard-Olsen (Georg-August-Universität Göttingen)

Knowledge of Knowledge (August 22 - 23, 2019)

Daniel Greco (Yale University)
Eric Pacuit (University of Maryland)
Oliver Roy (Universität Bayreuth)
Aybüke Özgün (Universiteit van Amsterdam)
Jan Constantin (Universität Köln)
Luis Rosa (Universität Köln)
Tim Kraft (Universität Regensburg)
Niki Pfeifer (Universität Regensburg)

1. Erlangen-Regensburg Kolloquium für Erkenntnistheorie (November 1, 2019)

Hannes Worthmann (Erlangen)
Alexander Dinges (Erlangen)
Tim Kraft (Regensburg)
Martin Weichold (Regensburg)

New Perspectives on Conditionals and Reasoning (September 5 - 6, 2018)

John Cantwell (KTH Stockholm)
Shira Elqayam (De Montfort University, Leicester)
Vincenzo Crupi (CLLC, Università degli Studi di Torino)
Karolina Krzyżanowska (Universiteit van Amsterdam)
Katrin Schulz (Universiteit van Amsterdam)
Igor Douven (CNRS/Sorbonne, Paris)
Paul Egré (CNRS/ENS, Paris)
Niels Skovgaard-Olsen (Georg-August-Universität Göttingen)
Niki Pfeifer (MCMP München)

Attitudes in Context (September 14 - 15, 2017)

Augustín Rayo (MIT)
Shira Elqayam (De Montfort)
Michaela Wänke (Mannheim)
Iris Schneider (Köln)
Eric Schwitzgebel (Riverside)

Conceptions of Belief in Philosophy and Science (September 29 - October 1, 2016)

Igor Douven (Paris)
Branden Fitelson (Boston)
Hannes Leitgeb (München)
Niki Pfeifer (München)
Thomas Schärtl-Trendel (Regensburg)
Peter Wakker (Rotterdam)
Gregory Wheeler (München)

Probability and Belief (June 13, 2015)

Abhaya Nayak (Sydney)
Ignacio Ojea Quintana (New York)
Arthur Paul Pedersen (Berlin)
Rush Stewart (New York)
Gregory Wheeler (München)

Agnosticism and Pyrrhonian Scepticism (October 16-17, 2015)

Sven Rosenkranz (Barcelona)
Casey Perin (Irvine)

Optimism and the Value of Truth (September 11-13, 2014)

Valerie Tiberius (Minnesota, USA)
William Swann (Austin, USA)
Michael Brady (Glasgow, UK)
Roland Bluhm (Dortmund, GER)

Doxastic Freedom and Normativity (September 19-21, 2013)

Wlodek Rabinowicz (Lund, Sweden)
Conor McHugh (Southampton, UK)
Matthias Steup (Purdue, USA)

The Logic and Culture of Lying (May 25-26, 2012)

Alexandru Baltag (Amsterdam)
Martin Caminada (Luxembourg)
Eva-Maria Konrad (Regensburg)
Mathias Mayer (Augsburg)
Hans Rott (Regensburg)
Sonja Smets (Amsterdam)
Jakob Steinbrenner (München)
Vladimir Svoboda (Prague)
Hans van Ditmarsch (Sevilla)
Christoph Wagner (Regensburg)
Christiana Werner (Essen/Regensburg)

Decisions and the Process of Reasoning (October 13-15, 2011)

Maria Alvarez (London)
John Broome (Oxford)
Helen Steward (Leeds)

Knowledge and Meaning in Literature (June 23-25, 2011)

Eileen John (Warwick)
Peter Larmarque (York)
Robert Stecker (Mount Pleasant, MI)
Vittorio Hösle (Notre Dame)

Actions, Decisions, and Free Will: Action Theory Meets the Free Will Debate (March 22-24, 2010)

Michael Bratman (Stanford)
Uwe Meixner (Regensburg)
Jason Turner (Leeds)

Metaphysics and Modality (June 12-14, 2009)

Daniel Nolan (Nottingham)
John Divers (Leeds)
Hannes Leitgeb (Bristol)

GAP-Doktorandenworkshop: Sprachphilosophie und Analytische Metaphysik (September 25-27, 2008)

Alex Burri (Erfurt)
Ralf Busse (Regensburg)
Uwe Meixner (Regensburg)
Hans Rott (Regensburg)

Structuralism in the Philosophy of Mathematics and in Mathematics (March 16-18, 2008)

Stewart Shapiro (Ohio State/St.Andrews)
Steve Awodey (Carnegie Mellon)

Humean Supervenience, Spacetime, and Physical Properties: Modern Metaphysics Meets Physical Theory (June 8-10, 2007)

Frank Arntzenius (Oxford)
James Ladyman (Bristol)
Michael Esfeld (Lausanne)

Knowledge and the Natural World (March 8-11, 2006)

John Hawthorne (Oxford)

Möglichkeit und Wirklichkeit: Logik und Metaphysik (May 30 – June 1, 2002)

Timothy Childers (Prag)
Ondrej Majer (Prag)
Jaroslav Peregrin (Prag)
Vladimír Svoboda (Prag)
František Gahér (Bratislava)
Ladislav Hohoš (Bratislava)
Hannes Leitgeb (Salzburg)
Guido Löhrer (Bern)

The Current Status of the Representational Theory of Mind (November 23, 2001)

Georges Rey (Maryland)

Belief and Meaning: Interfaces and Interdependences (May 26-27, 2000)

Johannes Brandl (Salzburg)
John Cantwell (Stockholm)
Max Kölbel (Swansea)
Isaac Levi (Columbia, New York)
James McGilvray (McGill, Montreal)
Wlodek Rabinowicz (Lund)
Tor Sandqvist (Uppsala)
Frank Veltman (Amsterdam)
Alberto Voltolini (Piemonte Orientale, Vercelli)

Belief Change and Pragmatist Philosophy (March 16, 2000)

Eduardo Fermé (Buenos Aires)
Erik Olsson (Uppsala/Konstanz)
Allard Tamminga (Amsterdam)