1. Kazimierz Ajdukiewicz, ‘Die syntaktische Konnexität’, Studio, Philosophica
1 (1935) 1–27; translated as ‘Syntactic Connexion’ in S. McCall, Polish Logic, Oxford 1967, pp. 207–231. Part I translated as ‘On Syntactical Coherence’, Review of Metaphysics
20 (1967) 635–647.
2. J. L. Austin, How to Do Things with Words, Harvard University Press, Cambridge, Mass., 1962.
3. Yehoshua Bar-Hillel, Language and Information, Addison-Wesley, Reading, Mass., 1964.
4. Paul Benacerraf, ‘What Numbers Could Not Be’, Philosophical Review
74 (1965) 47–73. Rudolf Carnap, Meaning and Necessity, University of Chicago Press, Chicago, Illinois, 1947.
5. Rudolf Carnap, Introduction to Symbolic Logic, Dover, New York, 1958.