The HoTT library in Coq

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• Bas Spitters (Aarhus Universitet)
• Friday 07 July 2017, 11:00-11:30
• Seminar Room 2, Newton Institute.

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BPR - Big proof

We report on the development of the HoTT library, a formalization of homotopy type theory in the Coq proof assistant. It formalizes most of basic homotopy type theory, including univalence, higher inductive types, and significant amounts of synthetic homotopy theory, as well as category theory and modalities. The library has been used as a basis for several independent developments. We discuss the decisions that led to the design of the library, and we comment on the interaction of homotopy type theory with recently introduced features of Coq, such as universe polymorphism and private inductive types.

Andrej Bauer, Jason Gross, Peter LeFanu Lumsdaine, Mike Shulman, Matthieu Sozeau, Bas Spitters, The HoTT Library: A formalization of homotopy type theory in Coq (CPP17) pp. 164-172, 2017 10.1145/3018610.3018615
https://arxiv.org/abs/1610.04591

This talk is part of the Isaac Newton Institute Seminar Series series.

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