Research
- DebateLab's work is published with the most renowned journals (Journal of Philosophy, British Journal for the Philosophy of Science, European Journal for Philosophy of Science) as well as publishers (Oxford University Press) in the field of philosophy.
- DebateLab's research is truly interdisciplinary, as witnessed by publications in Annals of Mathematics and Artificial Intelligence, Proceedings of COMMA or Argument & Computation, as well as joint research projects with both computer scientists and social scientists.
- DebateLab has successfully acquired international research projects (DFG/SNF, Volkswagen Foundation) and is actively involved in different international research networks (DFG, EU Cost Action).
- DebateLab welcomes international fellows and visiting scientists on a regular basis (DAAD, Humboldt), organizes international workshops, and has established the Erasmus-collaboration with University of Bern (CH).
- DebateLab is developing and curating one of the leading research software tools for argument analysis (argdown.org).
DebateLab is breaking new grounds by starting to investigate reasoning skills of neural language models such as OpenAI's GPT-2. We've created a blog for our activity in this field.
DebateLab cooperates with André Bächtiger (political science, Uni Stuttgart) in a Terra-Incognita-Project (2020) to study both experimentally and computationally the enabling conditions for rational deliberation.
A joint project with Claus Beisbart and Georg Brun from Uni Bern (CH) on formal models of reflective equilibrium has been approved by SNF and DFG (2020-23).

The Argumentative Turn in Policy Analysis. Reasoning about Uncertainty. Hansson, Sven Ove & Hirsch Hadorn, Gertrude (Eds.). Published with Springer, 2016.
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Alexandra Zinke's The Metaphysics of Logical Consequence, which critically assesses and reinterprets the notion of deductive inference, is published with Klostermann.
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David Lanius' "Strategic Indeterminacy in the Law," a study on the value and function of semantic vagueness in the law, has been published with Oxford University Press.
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Debate Dynamics: How Controversy Improves Our Beliefs. Betz, G. Synthese Library. Published with Springer, 2013. [Youtube teaser]
Publisher's website...Title | Project Group |
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Polarisation Dynamics in Agent-based Debate Models | Felix Kopecky (PHIL) |
Analyzing Argumentative Failure | David Lanius (PHIL) |
A Normative Theory of Public Debate | David Lanius (PHIL) |
Argdown | Christian Voigt (PHIL), Gregor Betz (PHIL), Sebastian Cacean (WMK), David Lanius (PHIL) |
Argumentative Practices of Populism | David Lanius (PHIL) |
DFG-Network "Arguing at School" | David Löwenstein (Jena), coordinator |
DFG-Network "Simulation of Scientific Inquiry" | Dunja Seselja (Eindhoven) and Rush Stewart (Munich), coordinators |
European network for argumentation and public policy analysis | Marcin Lewninski (Lisbon), coordinator |
Formal Models of Reflective Equilibrium | Claus Beisbart (Bern), Gregor Betz (KIT, PHIL), Georg Brun (Bern), Basti Cacean (KIT, PHIL), Andreas Freivogel (Bern), Richard Lohse (KIT, PHIL) |
Integrating Scientific Practices, Metaphysics and Values | Ka Ho Lam |
Mediating Machines | Tamara Mchedlidze, David Lanius, Andreas Hirblinger |
OpMAP | Gregor Betz (PHIL), Michael Hamann (ITI), Tamara Mchedlidze (ITI), Sophie v. Schmettow (ITI) |
Reasoning with Fallible Evidence | Corinna Günth |
Title | Project Group |
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Polarization and Collective Reasoning | Dan Singer (as visiting fellow) |
AI and Argumentation | Kevin Ashley (as visiting fellow) |
Epistemology of Conspiracy Theories | Matthew Dentith (as visiting fellow) |
Deliberative Poll: Germline Gene Therapy (BueDeKA) | Sebastian Cacean (WMK), Annette Leßmöllmann (WMK), Gregor Betz (PHIL) |
Dimensions of Doubt: On Suspending Belief | Alexandra Zinke (Tübingen) |