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Dr. Marc Andree Weber

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I am fascinated by all areas of theoretical philosophy. My main fields of research have been metaphysics and epistemology, in particular the philosophy of persons, the method of thought experiments, and the phenomenon of vagueness. Currently, my major focus lies on the epistemology of disagreement and hence on the question under what circumstances (if there are any) the actual (or maybe even the merely possible) occurrence of a disagreement rationally requires us to revise a hitherto held belief. I have started writing a habilitation thesis on this subject.


Marc Andree Weber
Alte Universität, 1. OG, R. 01 031b
Bertoldstr. 17
79098 Freiburg, Germany
Tel. +49 (0)761 203-67678

Brief Academic CV

Since 2017: Assistant Professor, University College Freiburg/Department of Philosophy, University of Freiburg

2014–2017: Postdoctoral Researcher in the interdisciplinary research project Deep Disagreements, University of Freiburg

2013–2014: Postdoctoral Researcher at the Centre for Security and Society,  University of Freiburg

2011–2013: Postdoctoral Researcher in the interdisciplinary research project Dealing Reasonably with Blurred Boundaries, University of Freiburg

2011: Ph.D. in Philosophy, University of Heidelberg

2008–2017: Assistant Lecturer at the Department of Philosophy, University of Heidelberg

2007: Diploma in Mathematics, University of Heidelberg

2000–2007: Studies of Mathematics and Philosophy at the Universities of Heidelberg and Melbourne



[2014]  Die Zerlegung des Ichs. Über die Grundlagen personaler Identität. Münster: Mentis.

Selected Articles:

[2017a] "Epistemic Peerhood, Likelihood, and Equal Weight." Logos & Episteme 8.3, 307–44. DOI:10.5840/logos-episteme20178325

[2017b] "Armchair Disagreement." Metaphilosophy 48.4, 527–49. DOI: 10.1111/meta.12254

[2017c] "Die Aussagekraft wirklichkeitsferner Gedankenexperimente für Theorien personaler Identität." In: A. Oberprantacher und A. Siegetsleitner (eds.), Mensch sein – Fundament, Imperativ oder Floskel? Beiträge zum 10. Kongress der Österreichischen Gesellschaft für Philosophie (pp. 493–503). Innsbruck: IUP.

[2017d] "Zwölf Antworten auf Williams' Paradox." Zeitschrift für philosophische Forschung 71.1, 128–54.

[2016]  "The Non-Conservativeness of Legal Definitions." In: G. Keil and R. Poscher (eds.), Vagueness and Law. Philosophical and Legal Perspectives (pp. 189–203). Oxford: OUP.

[2015]  "Baker's First-person Perspectives: They Are Not What They Seem." Phenomenology and Mind 7, 158–68. DOI: 10.13128/Phe_Mi-19539

[2013a]  "Die Irrelevanz personaler Identität für praktische Belange." In: G. Gasser and M. Schmidhuber (eds.),  Personale Identität, Narrativität und Praktische Rationalität (pp. 313–35). Münster: Mentis.

[2013b]   "Interrelations and Dissimilarities Between Distinct Approaches to Ontic Vagueness." Metaphysica 14.2, 181–95. DOI: 10.1007/s12133-013-0120-7

Current Research Projects

The Epistemological Significance of  Disagreement