P.M. Williams

Williams, P. M. 1973. “On the Conservative Extension of Semantical Systems: a Contribution to the Problem of Analyticity.” Synthese 25(3–4): 398–416. Reprinted in Hintikka (1975, 123–142).

Williams, P. M. 1976. “Indeterminate Probabilities.” in Formal Methods in the Methodology of Empirical Sciences, edited by Marian Przełęcki, Klemens Szaniawski, and Ryszard Wójcicki, pp. 229–246. Synthese Library n. 103. Dordrecht: D. Reidel Publishing Co.

Williams, P. M. 1994. “Recent Perspectives on Simplicity and Generalization.” in Logic, Methodology and Philosophy of Science IX: Proceedings of the Ninth International Congress of Logic, Methodology, and Philosophy of Science, Uppsala, Swede, August 7-14, 1991, edited by Dag Prawitz, Brian Skyrms, and Dag Westerståhl, pp. 409–425. Studies in Logic and the Foundations of Mathematics n. 134. Amsterdam: Elsevier Science Publishers B.V.

Hintikka, Jaakko, ed. 1975. Rudolf Carnap, Logical Empiricist: Materials and Perspectives. Synthese Library n. 73. Dordrecht: D. Reidel Publishing Co.