Abstract
The Basic Logic of Proofs provides prepositional axiomatizations of the predicate “p is a proof ofA” using the same semantics as the Provability Logic GL. In this paper syntactical models for the Basic Logic of Proofs are described, which are closely related to canonical models. For each system of this class of logics soundness and completeness are proved. Moreover, some principles of the Basic Logic of Proofs, mainly concerning fixed points, are investigated.
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Supported by the Union Bank of Switzerland (UBS/SBG) and by the Swiss Nationalfonds (projects 21-27878.89 and 20-32705.91).
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Straßen, T. Syntactical models and fixed points for the basic logic of proofs. Ann Math Artif Intell 12, 291–321 (1994). https://doi.org/10.1007/BF01530789
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DOI: https://doi.org/10.1007/BF01530789