Marian Boykan Pour-El and Hilary Putnam. Recursively enumerable classes and their application to recursive sequences of formal theories. Archiv für mathematische Logik und Grundlagenforschung, vol. 8 no. 3–4 (1965), pp. 104–121. - Marian Boykan Pour-El and William A. Howard. A structural criterion for recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 10 (1964), pp. 105–114. - A. H. Lachlan. On recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 11 (1965), pp. 209–220. - A. H. Lachlan. On recursive enumeration without repetition: a correction. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 13 (1967), pp. 99–100.

James C. Owings

doi:10.2307/2271754

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Marian Boykan Pour-El and Hilary Putnam. Recursively enumerable classes and their application to recursive sequences of formal theories. Archiv für mathematische Logik und Grundlagenforschung, vol. 8 no. 3–4 (1965), pp. 104–121. - Marian Boykan Pour-El and William A. Howard. A structural criterion for recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 10 (1964), pp. 105–114. - A. H. Lachlan. On recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 11 (1965), pp. 209–220. - A. H. Lachlan. On recursive enumeration without repetition: a correction. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 13 (1967), pp. 99–100.

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Marian Boykan Pour-El and Hilary Putnam. Recursively enumerable classes and their application to recursive sequences of formal theories. Archiv für mathematische Logik und Grundlagenforschung, vol. 8 no. 3–4 (1965), pp. 104–121. - Marian Boykan Pour-El and William A. Howard. A structural criterion for recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 10 (1964), pp. 105–114. - A. H. Lachlan. On recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 11 (1965), pp. 209–220. - A. H. Lachlan. On recursive enumeration without repetition: a correction. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 13 (1967), pp. 99–100.

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.

Marian Boykan Pour-El and Hilary Putnam. Recursively enumerable classes and their application to recursive sequences of formal theories. Archiv für mathematische Logik und Grundlagenforschung, vol. 8 no. 3–4 (1965), pp. 104–121. - Marian Boykan Pour-El and William A. Howard. A structural criterion for recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 10 (1964), pp. 105–114. - A. H. Lachlan. On recursive enumeration without repetition. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 11 (1965), pp. 209–220. - A. H. Lachlan. On recursive enumeration without repetition: a correction. Zeitschrift für mathematische Logik und Grundlagen der Mathematik, vol. 13 (1967), pp. 99–100.

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