A Modular Type-Checking Algorithm for Type Theory with Singleton Types and Proof Irrelevance.

Andreas Abel Thierry Coquand Miguel Pagano A Modular Type-Checking Algorithm for Type Theory with Singleton Types and Proof Irrelevance. 5-19 2009 TLCA http://dx.doi.org/10.1007/978-3-642-02273-9_3 conf/tlca/2009 db/conf/tlca/tlca2009.html#AbelCP09