1. A note on fuzzy sets;Brown;Information and Control,1971
2. Algebraic analysis of many valued logics;Chang;Transactions of the American Mathematical Society,1958
3. Infinite valued logic as a basis for set theory;Chang,1965
4. A non-classical logic for physics;Giles;Studia Logica,1974
5. Giles, R. (in press). A pragmatic approach to the formalization of empirical theories. To appear in Proc. Conf. Formal Methods in the Methodology of Empirical Sciences, Warsaw, June, 1974. Dordrecht, Holland: Reidel, and Warsaw: Ossdineum.