Kuerbis, Nils;
(2024)
Bilateralism, collapsing modalities, and the logic of assertion and denial.
Theoria
, 90
(2)
pp. 177-190.
10.1111/theo.12516.
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Abstract
Rumfitt has given two arguments that in unilateralist verificationist theories of meaning, truth collapses into correct assertibility. In the present paper I give similar arguments that show that in unilateral falsificationist theories of meaning, falsehood collapses into correct deniability. According to bilateralism, meanings are determined by assertion and denial conditions, so the question arises whether it succumbs to similar arguments. I show that this is not the case. The final section considers the question whether a principle central to Rumfitt's first argument, ‘It is assertible that (Formula presented.) if and only if it is assertible that it is assertible that (Formula presented.) ’, is one that bilateralists can reject, and concludes that they cannot. It follows that the logic of assertibility and deniability, according to a result by Williamson, is the little known modal logic K4 studied by Sobociński. The paper ends with a plaidoyer for bilateralists to adopt this logic.
Type: | Article |
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Title: | Bilateralism, collapsing modalities, and the logic of assertion and denial |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1111/theo.12516 |
Publisher version: | https://doi.org/10.1111/theo.12516 |
Language: | English |
Additional information: | This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permitsuse and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications oradaptations are made. |
Keywords: | Assertion, bilateralism, denial, falsificationism, Moore’s paradox, theories of meaning, verificationism |
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/10193334 |
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