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On a Definition of Logical Consequence

Kürbis, Nils; (2023) On a Definition of Logical Consequence. Thought: A Journal of Philosophy 10.5840/tht20233612. (In press). Green open access

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Abstract

Bilateralists, who accept that there are two primitive speech acts, assertion and denial, can offer an attractive definition of consequence: Y follows from X if and only if it is incoherent to assert all formulas X and to deny all formulas Y. The present paper argues that this definition has consequences many will find problematic, amongst them that truth coincides with assertibility. Philosophers who reject these consequences should therefore reject this definition of consequence.

Type: Article
Title: On a Definition of Logical Consequence
Open access status: An open access version is available from UCL Discovery
DOI: 10.5840/tht20233612
Publisher version: https://doi.org/10.5840/tht20233612
Language: English
Additional information: © The Thought Trust. This Open Access article is distributed under a Creative Commons CC BY-NC-ND 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: logical consequence, assertion, denial, bilateralism
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities > Dept of Philosophy
URI: https://discovery.ucl.ac.uk/id/eprint/10166597
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