R. O. Gandy. On the axiom of extensionality. The journal of symbolic logic, vol. 21 (1956), pp. 36–48, and vol. 24 no. 4 (for 1959, pub. 1961), pp. 287–300. - Dana Scott. More on the axiom of extensionality. Essays on the foundations of mathematics, dedicated to A. A. Fraenkel on his seventieth anniversary, edited by Y. Bar-Hillel, E. I. J. Poznanski, M. O. Rabin, and A. Robinson for The Hebrew University of Jerusalem, Magnes Press, Jerusalem 1961, and North-Holland Publishing Company, Amsterdam1962, pp. 115–131.

Azriel Lévy

doi:10.2307/2271630

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R. O. Gandy. On the axiom of extensionality. The journal of symbolic logic, vol. 21 (1956), pp. 36–48, and vol. 24 no. 4 (for 1959, pub. 1961), pp. 287–300. - Dana Scott. More on the axiom of extensionality. Essays on the foundations of mathematics, dedicated to A. A. Fraenkel on his seventieth anniversary, edited by Y. Bar-Hillel, E. I. J. Poznanski, M. O. Rabin, and A. Robinson for The Hebrew University of Jerusalem, Magnes Press, Jerusalem 1961, and North-Holland Publishing Company, Amsterdam1962, pp. 115–131.

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R. O. Gandy. On the axiom of extensionality. The journal of symbolic logic, vol. 21 (1956), pp. 36–48, and vol. 24 no. 4 (for 1959, pub. 1961), pp. 287–300. - Dana Scott. More on the axiom of extensionality. Essays on the foundations of mathematics, dedicated to A. A. Fraenkel on his seventieth anniversary, edited by Y. Bar-Hillel, E. I. J. Poznanski, M. O. Rabin, and A. Robinson for The Hebrew University of Jerusalem, Magnes Press, Jerusalem 1961, and North-Holland Publishing Company, Amsterdam1962, pp. 115–131.

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

R. O. Gandy. On the axiom of extensionality. The journal of symbolic logic, vol. 21 (1956), pp. 36–48, and vol. 24 no. 4 (for 1959, pub. 1961), pp. 287–300. - Dana Scott. More on the axiom of extensionality. Essays on the foundations of mathematics, dedicated to A. A. Fraenkel on his seventieth anniversary, edited by Y. Bar-Hillel, E. I. J. Poznanski, M. O. Rabin, and A. Robinson for The Hebrew University of Jerusalem, Magnes Press, Jerusalem 1961, and North-Holland Publishing Company, Amsterdam1962, pp. 115–131.

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