Monday 19 May 2025 Salle 5, Site Marcelin Berthelot Open to all, subject to availability 10:00 - 11:00 Skip youtube video player Listen to audio Download audio Audio recording Lecture outline:exact modalities left;application to the construction of new type-theoretic models;unprovability of Church's thesis and countable choice;Quillen model structure and constructive model of the notion of homotopy types. Documents and media Download support pdf (270.06 KB) Speaker(s) Thierry Coquand Professor of Computer Science, University of Gothenburg, Sweden Events Previous Type theory, from Russell to de Bruijn Thierry Coquand Lecture 17 Mar 2025 10:00 to 11:00 Natural deduction and models Thierry Coquand Lecture 24 Mar 2025 10:00 to 11:00 Universe, paradoxes and standardization Thierry Coquand Lecture 31 Mar 2025 10:00 to 11:00 Type theory and set theory Thierry Coquand Lecture 7 Apr 2025 10:00 to 11:30 The mystery of equality; the notion of type as a generalization of the notion of … Thierry Coquand Lecture 28 Apr 2025 10:00 to 11:00 Type theory models and the principle of univalence Thierry Coquand Lecture 5 May 2025 10:00 to 11:00 Eilenberg-MacLane spaces and cohomology Thierry Coquand Lecture 12 May 2025 10:00 to 11:00 Modalities and models of type theory Thierry Coquand Lecture 19 May 2025 10:00 to 11:00 Next See also Thierry Coquand, chair Computer Sciences and Digital Technologies Dependent type theory and mathematical formalization