# * Formalizing Category Theory and Presheaf Models of Type Theory in Nuprl *

## by Mark Bickford

2018

**This article is the first in a series of articles that explain the formalization of a constructive model of cubical type theory in Nuprl. In this document we discuss only the parts of the formalization that do not depend on the choice of base category. So, it spells out how we make the first steps of our formalization of cubical type theory.**

**bibTex ref: RCB-767**

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