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This open access book investigates the role played by identity of proofs in proof-theoretic semantics. It develops a conception of proof-theoretic semantics as primarily concerned with the relationship between proofs (understood as abstract entities) and derivations (the linguistic representations of proofs). It demonstrates that identity of proof is a key both to clarify some —still not wholly understood— notions at the core of proof-theoretic semantics, such as harmony; and to broaden the range of the phenomena which can be analyzed using the tools of this semantic paradigm, so as to include for instance paradoxes. The volume covers topics such as the philosophical significance of different criteria of identity of proofs, and adequacy conditions for an intensional account of the notion of harmony. The author also examines the Prawitz-Tennant analysis of paradoxes by investigating on the one hand the prospectsof turning it into a theory of meaning for paradoxical languages, and on the other hand two distinct kinds of phenomena, first observed by Crabbe and Ekman, showing that the Tennant-Prawitz criterion for paradoxicality overgenerates. This volume is of interest to scholars in formal and philosophical logic.
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Keywords
- harmony via reductions and expansions
- Higher-level rules
- Hyperintensionality
- Identity of proofs
- inferentialism
- Jacinto and Read’s GE-stability
- Meaning of logical constants
- Normalization, subformula, canonicity harmony
- Paradox and proof-theory
- Paradoxes as non-denoting derivations
- Prawitz-Tennant analysis of paradoxes
- Proof theory and meaning
- Proof-theoretic harmony
- Proof-theoretic Semantics
- proofs as constructions
- PSH-inversion and harmony
- relative priority of correctness and validity
- Sense and denotation
- thema EDItEUR::P Mathematics and Science::PB Mathematics::PBC Mathematical foundations
- thema EDItEUR::P Mathematics and Science::PB Mathematics::PBC Mathematical foundations::PBCD Mathematical logic
- thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTL Philosophy: logic
- thema EDItEUR::U Computing and Information Technology::UY Computer science::UYA Mathematical theory of computation
Links
DOI: 10.1007/978-3-031-46921-3Editions