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Silje Aambø Langvatn is a postdoctoral fellow in political philosophy at PluriCourts – Centre for the Study of the Legitimate Roles of the International Judiciary (University of Oslo), and affiliated with CSMN.


The focus of Silje’s current research is on conceptions of “legitimacy”, and how legitimacy is distinct from, but also connected to ideas like morality, justice, legality, social acceptance etc. In particular, she discusses legitimacy in relation to international courts, and whether ideas of public justification and public reason can supplement the current dominant conceptions of legitimacy for this type of entity.


Academic Interests


Legal philosophy

International Courts

Rawls-Habermas debate

Public reason

Public justification

Deliberative democracy theory

Methodology of political philosophy



Prior to arriving at PluriCourts Silje completed a PhD in political philosophy at The University of Bergen with research stays at The Department of Political Theory Goethe Universität Frankfurt (2007-8) and the Government Department Harvard University (2009-10). The title of her dissertation was "The Idea and Ideal of Public Reason - John Rawls' Attempt to Conceptualize a Well-ordered Constitutional Democracy". In 2011 she worked full time as a researcher in the coordinator group of the FP7 project Value Isobars.

She holds a Cand. Phil. degree in philosophy from the Department of Philosophy, University of Bergen (2005), and a Master of Social Science from the Graduate School of Social Research, University of Edinburgh (2001). Undergrad studies from The University of Oslo.


See also:


  • Holst, Cathrine & Langvatn, Silje Aambø (2018). Accountability of experts: What does it mean, why is it challenging - and is it what we need?.
  • Langvatn, Silje Aambø (2017). Conceptualizing legitimacy in discussions about international courts.
  • Langvatn, Silje Aambø (2017). Do we improve the legitimacy of international courts by making them "more accountable"?.
  • Langvatn, Silje Aambø (2017). Is there a place for public reason in post-truth politics?.
  • Langvatn, Silje Aambø (2017). Populist backlashes against international courts - Invited comment on Erik Voeten's PluriCourts annual lecture.
  • Langvatn, Silje Aambø (2017). Post public reason in an age of post-truth politics?.
  • Langvatn, Silje Aambø (2017). Rawls' political political philosophy.
  • Langvatn, Silje Aambø (2017). "The exemplar of public reason- A framework for analyzing public reason in courts".
  • Langvatn, Silje Aambø (2017). The turn from justice to legitimacy.
  • Langvatn, Silje Aambø (2017). ""Use of public reason" or "the public use of reason""?.

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Published Jan. 27, 2015 10:33 AM - Last modified Feb. 2, 2015 3:10 PM