J. W. Addison. Separation principles in the hierarchies of classical and effective descriptive set theory. Fundamenta mathematicae, vol. 46 no. 2 (1959), pp. 123–135. - J. W. Addison. The theory of hierarchies. Logic, methodology and philosophy of science, Proceedings of the 1960 International Congress, edited by Ernest Nagel, Patrick Suppes, and Alfred Tarski, Stanford University Press, Stanford, Calif., 1962, pp. 26–37. - J. W. Addison. Some problems in hierarchy theory. Recursive function theory, Proceedings of symposia in pure mathematics, vol. 5, American Mathematical Society, Providence1962, pp. 123–130.

Donald L. Kreider

doi:10.2307/2269799

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J. W. Addison. Separation principles in the hierarchies of classical and effective descriptive set theory. Fundamenta mathematicae, vol. 46 no. 2 (1959), pp. 123–135. - J. W. Addison. The theory of hierarchies. Logic, methodology and philosophy of science, Proceedings of the 1960 International Congress, edited by Ernest Nagel, Patrick Suppes, and Alfred Tarski, Stanford University Press, Stanford, Calif., 1962, pp. 26–37. - J. W. Addison. Some problems in hierarchy theory. Recursive function theory, Proceedings of symposia in pure mathematics, vol. 5, American Mathematical Society, Providence1962, pp. 123–130.

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J. W. Addison. Separation principles in the hierarchies of classical and effective descriptive set theory. Fundamenta mathematicae, vol. 46 no. 2 (1959), pp. 123–135. - J. W. Addison. The theory of hierarchies. Logic, methodology and philosophy of science, Proceedings of the 1960 International Congress, edited by Ernest Nagel, Patrick Suppes, and Alfred Tarski, Stanford University Press, Stanford, Calif., 1962, pp. 26–37. - J. W. Addison. Some problems in hierarchy theory. Recursive function theory, Proceedings of symposia in pure mathematics, vol. 5, American Mathematical Society, Providence1962, pp. 123–130.

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.

J. W. Addison. Separation principles in the hierarchies of classical and effective descriptive set theory. Fundamenta mathematicae, vol. 46 no. 2 (1959), pp. 123–135. - J. W. Addison. The theory of hierarchies. Logic, methodology and philosophy of science, Proceedings of the 1960 International Congress, edited by Ernest Nagel, Patrick Suppes, and Alfred Tarski, Stanford University Press, Stanford, Calif., 1962, pp. 26–37. - J. W. Addison. Some problems in hierarchy theory. Recursive function theory, Proceedings of symposia in pure mathematics, vol. 5, American Mathematical Society, Providence1962, pp. 123–130.

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