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October 1976 Variations of Zorn's lemma, principles of cofinality, and Hausdorff's maximal principle. I. Set forms.
Judith M. Harper, Jean E. Rubin
Notre Dame J. Formal Logic 17(4): 565-588 (October 1976). DOI: 10.1305/ndjfl/1093887728
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Vol.17 • No. 4 • October 1976
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