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Intuitionistic propositional logic is polynomial-space complete

✍ Scribed by Richard Statman


Book ID
107948455
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
532 KB
Volume
9
Category
Article
ISSN
0304-3975

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Infiniteness of proof(Ξ±) is polynomial-s
✍ Sachio Hirokawa πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 546 KB

It is shown that the infiniteness problem of proof (a) is polynomial-space complete. The set proof (~) is the set of closed I-terms in p-normal form which has a as their types. The set is identical to the set of normal form proofs of a in the natural deduction system for implicational fragment of in