1. Model Theory;Chang,1973
2. Implementing Mathematics with the Nuprl Proof Development System;Constable,1986
3. Implementing metamathematics as an approach to automatic theorem proving;Constable,1990
4. Extracting programs from constructive HOL proofs via IZF set-theoretic semantics;Constable,2006
5. Logic for Computer Science, Foundations of Automatic Theorem Proving;Gallier,1986