Tonk, Syntax, Semantics, Pragmatics

In 1960, A. N. Prior proposed a binary sentential functor defined by inferential rule (introduction) A ⊢ A tonk B, and (elimination) A tonk B ⊢ A. Later, this idea was discussed by several authors, including in the context of the question of whether the ab ove rule defines this functor in a sufficie...

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Main Author: Woleński Jan
Format: Article
Language:English
Published: Sciendo 2024-12-01
Series:Studies in Logic, Grammar and Rhetoric
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Online Access:https://doi.org/10.2478/slgr-2024-0018
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author Woleński Jan
author_facet Woleński Jan
author_sort Woleński Jan
collection DOAJ
description In 1960, A. N. Prior proposed a binary sentential functor defined by inferential rule (introduction) A ⊢ A tonk B, and (elimination) A tonk B ⊢ A. Later, this idea was discussed by several authors, including in the context of the question of whether the ab ove rule defines this functor in a sufficient manner. This paper shows that if we assume the standard matrix (truth-tables) characterization of classical sentential functors, no valuation agrees with rules generating the sense of tonk. Moreover, these inferential prescriptions are at odds with the principle that if premises are true, the conclusion has to be such as well. A new solution is proposed. It consists in considering tonk-rules via so-called rejection consequence operation, that is, a dual with respect to the standard Cn. The general moral stemming from the proposed analysis says that inferentialism, the view that inference rules are purely syntactical, is dubious, because logic has its basis also in semantic presuppositions as well as in pragmatic ones.
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spelling doaj-art-cbf4ac1cb8504484a65938f5f5b59c272025-01-20T11:10:12ZengSciendoStudies in Logic, Grammar and Rhetoric2199-60592024-12-0169125926610.2478/slgr-2024-0018Tonk, Syntax, Semantics, PragmaticsWoleński Jan0University of Information, Technology and Management, Rzeszów, PolandIn 1960, A. N. Prior proposed a binary sentential functor defined by inferential rule (introduction) A ⊢ A tonk B, and (elimination) A tonk B ⊢ A. Later, this idea was discussed by several authors, including in the context of the question of whether the ab ove rule defines this functor in a sufficient manner. This paper shows that if we assume the standard matrix (truth-tables) characterization of classical sentential functors, no valuation agrees with rules generating the sense of tonk. Moreover, these inferential prescriptions are at odds with the principle that if premises are true, the conclusion has to be such as well. A new solution is proposed. It consists in considering tonk-rules via so-called rejection consequence operation, that is, a dual with respect to the standard Cn. The general moral stemming from the proposed analysis says that inferentialism, the view that inference rules are purely syntactical, is dubious, because logic has its basis also in semantic presuppositions as well as in pragmatic ones.https://doi.org/10.2478/slgr-2024-0018sentential logicmatricesvaluationconsequenceinferentialism
spellingShingle Woleński Jan
Tonk, Syntax, Semantics, Pragmatics
Studies in Logic, Grammar and Rhetoric
sentential logic
matrices
valuation
consequence
inferentialism
title Tonk, Syntax, Semantics, Pragmatics
title_full Tonk, Syntax, Semantics, Pragmatics
title_fullStr Tonk, Syntax, Semantics, Pragmatics
title_full_unstemmed Tonk, Syntax, Semantics, Pragmatics
title_short Tonk, Syntax, Semantics, Pragmatics
title_sort tonk syntax semantics pragmatics
topic sentential logic
matrices
valuation
consequence
inferentialism
url https://doi.org/10.2478/slgr-2024-0018
work_keys_str_mv AT wolenskijan tonksyntaxsemanticspragmatics