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Thesis

Logic and modality

Abstract:

In this thesis I consider and argue against various versions of the view that logical truth and necessity are identical. I criticise purely modalist accounts of logical consequence, according to which consequence is just necessary truth-preservation, and I also criticise views on which necessity is identified with some prior understanding of logical truth (as semantic validity, or substitutional validity, or as syntactic derivability). In the process I develop various systems of modal semanti...

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Division:
HUMS
Department:
Philosophy Faculty
Role:
Author

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Institution:
University of Oxford
Role:
Supervisor
Role:
Supervisor
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Name:
Arts and Humanities Research Council
Funder identifier:
http://dx.doi.org/10.13039/501100000267
Programme:
Open-Oxford-Cambridge DTP
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Language:
English
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Subjects:
Deposit date:
2023-05-24

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