Directeur de recherche au CNRS / Professeur attaché Département de Philosophie de l'ENS

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Areas of Research: Logic | Language | Epistemology | Cognitive Science

I am a Senior Researcher at CNRS, based at Institut Jean-Nicod in Paris and a Professor in the Philosophy Department at ENS.

My research deals with logic, language, epistemology, and cognitive science. Much of my work concerns vagueness in language and in perception. I am particularly interested in the issue of concept representation, and in the relation between vagueness and perceptual ambiguity. In the area of logic, my interest has grown over the years for nonclassical logics, in particular for foundations and applications of trivalence (to vagueness, logical consequence, conditionals). At IJN I coordinate the team Concepts, Logic and Reasoning.

Current projects

I am currently involved in three research projects, two of them funded by the Agence Nationale de la Recherche. The first concerns Access to Ambiguity in Perception (AMBISENSE), an interdisciplinary project with Daniel Pressnitzer, Jackson Graves, Vincent de Gardelle with emphasis on auditory perception. Another concerns Probabilistic Semantics for Language (PROBASEM), with my colleague Benjamin Spector (PI), with emphasis on the probabilistic modeling of vagueness. With Benjamin Icard, I am also coordinating at IJN the project Disinformation Identification in Evolving Knowledge Bases (DIEKB), with Mondeca and Airbus as research partners, in which we deal with vagueness-mining in textual corpora.

With Eduardo Barrio, we are editing a special issue of the Journal of Philosophical Logic on Substructural Logics and Metainferences (click to see Call for Papers).

Past projects

From 2014 to 2018, with Benjamin Spector I co-directed the ANR program "Trivalence and Natural Language Meaning". Between 2008 and 2011 I conducted an ANR funded project on the topic "Cognitive Origins of Vagueness", which I have continued as part of F. Récanati's program CPR. I am currently the Editor-in-Chief of the Review of Philosophy and Psychology (RPP), a peer -reviewed journal edited quarterly at Institut Jean-Nicod and published by Springer. I am also a member of the editorial board of the Journal of Philosophical Logic and of Disputatio. In 2016 I was a Visiting Fellow of the Swedish Collegium for Advanced Study.

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Qu'est-ce que le Vague ? Chemins Philosophiques, Vrin, décembre 2018.

• ESSLLI 2017 course on Probabilistic Models of Vagueness, co-taught with Steven Verheyen (July 17-22, 2017, in Toulouse)

• ESSLLI 2016 course on Trivalent logics and Natural Language Semantics, co-taught with Benjamin Spector (August 15-20, 2016).

• European Epistemology Network 2016 Meeting, held in Paris on July 4-6 2016, coorganized with Pascal Engel and Igor Douven.

• Oxford-Princeton-Paris trilaterial meeting "New Ideas in Mathematical Philosophy", coorganized with Denis Bonnay, at ENS on March 23-24, 2015, as part of the CRNAP network


• Princeton-Oxford-Paris trilateral meeting on Language, Truth and Logic  (coordinated with J.P. Burgess, V. Halbach and G. Leigh, as part of the CRNAP network)


• ESSLLI 2012 Workshop on Trivalent logics and their applications   (see the double issue of the Journal of Applied Non-Classical Logics, vol. 24, issue 1-2, 2014)

• The book Vagueness and Language Use (P. Egré & N. Klinedinst eds.) is available at Palgrave Macmillan (April 2011)

• The first issue of The Review of Philosophy and Psychology on 'Objects and Sound Perception' (N. Bullot & P. Egré eds) is now available. Regular submissions to RoPP are encouraged!

• The Proceedings of the MIT-France Workshop on Presuppositions and Implicatures (P. Egré & G. Magri eds.) are available from MIT Working Papers in Linguistics