Top News, Articles, and Interviews in Philosophy

Non-wellfounded Set Theory

Philosophy News image
[Revised entry by Lawrence S. Moss on April 24, 2018. Changes to: Main text, Bibliography] This entry is about two kinds of circularity: object circularity, where an object is taken to be part of itself in some sense; and definition circularity, where a collection is defined in terms of itself. Instances of these two kinds of circularity are sometimes problematic, and sometimes not. We are primarily interested in object circularity in this entry, especially instances which look problematic when one tries to model them in set theory. But we shall also discuss circular definitions....

Continue reading . . .

News source: Stanford Encyclopedia of Philosophy

blog comments powered by Disqus