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The Subtyping Problem for Second-Order Types Is Undecidable

✍ Scribed by Jerzy Tiuryn; Paweł Urzyczyn


Book ID
112252600
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
154 KB
Volume
179
Category
Article
ISSN
0890-5401

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📜 SIMILAR VOLUMES


Simple second-order languages for which
✍ William M. Farmer 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 824 KB

Farmer, W.M., Simple second-order languages for which unification is undecidable, Theoretical Computer Science 87 (1991) 25-41. We improve Goldfarb's Theorem on the undecidability of the second-order unification problem. More precisely, we prove that there is a natural number n such that the unifica