Canonicity and normalisation for Dependent Type Theory

10/22/2018
by   Thierry Coquand, et al.
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We show canonicity and normalization for dependent type theory with a cumulative sequence of universes and a type of Boolean. The argument follows the usual notion of reducibility, going back to Godel's Dialectica interpretation and the work of Tait. A key feature of our approach is the use of a proof relevant notion of reducibility.

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