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Epistemic entrenchment and arithmetical hierarchy

✍ Scribed by Petr Hájek


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
28 KB
Volume
65
Category
Article
ISSN
0004-3702

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Epistemic entrenchment and arithmetical
✍ Petr Hájek 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 467 KB

Hfijek, P., Epistemic entrenchment and arithmetical hierarchy (Research Note), Artificial Intelligence 62 (1993) 79-87. If the underlying theory is sufficiently rich (e.g. like first-order arithmetic), then no epistemic entrenchment preorder of sentences is recursively enumerable. Consequently, the