1. Narrowly circular definitions simply define one word in terms of another. 2. Some circular definitions will be good analyses, while some will not. 3. Dictionary entries are often given as examples of apparent circular definitions . 4. The generalization to circular definitions was developed by Gupta, in collaboration with Belnap. 5. Circular definitions are formally tractable, as demonstrated by the formal semantics of revision theory.6. A broadly circular definition has a larger circle of words. 7. I question the intelligence of people who appear to have a circular definition of intelligence. 8. Formal approaches to characterizing circular definitions are found in logic, mathematics and in computer science. 9. Consequently, when constructing systems of definitions, authors should use good practices that avoid producing viciously circular definitions . 10. This circular definition cannot be resolved.
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