University of Cambridge > > Logic and Semantics Seminar (Computer Laboratory) > Left Exact Modalities in Type Theory

Left Exact Modalities in Type Theory

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If you have a question about this talk, please contact Victor Gomes.

I will discuss a recognition principle for left exact modalities in homotopy type theory and explain how it relates to the problem of understanding subtopoi of $\infty$-topoi. This theory generalizes the classical theory of Lawvere-Tieney topologies to the case of higher topoi. I will also describe some new phenomena which arise in the higher dimensional case.

This talk is part of the Logic and Semantics Seminar (Computer Laboratory) series.

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