Provability logics with quantifiers on proofs
✍ Scribed by Rostislav E. Yavorsky
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 124 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0168-0072
No coin nor oath required. For personal study only.
✦ Synopsis
We study here extensions of the Artemov's logic of proofs in the language with quantiÿers on proof variables. Since the provability operator A could be expressed in this language by the formula ∃u[u]A, the corresponding logic naturally extends the well-known modal provability logic GL. Besides, the presence of quantiÿers on proofs allows us to study some properties of provability not covered by the propositional logics.
In this paper we study the arithmetical complexity of the provability logic with quantiÿers on proofs qLP K (T ) for a given arithmetical theory T and a class K of proof predicates.
In the last section we deÿne Kripke style semantics for the logics corresponding to the standard G odel proof predicate and its multiple conclusion version.
📜 SIMILAR VOLUMES
In the paper the joint Logic of Proofs and Provability LPP is presented that incorporates both the modality for provability (Israel J. Math. 25 (1976) 287-304) and the proof operator <t=F representing the proof predicate "t is a proof of F " (Technical Report No. CFIS 95-29, Cornell University, 1995