A hyperintensional logical framework for deontic reasons

Logic Journal of the IGPL 27 (4):411-433 (2019)
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Abstract

In this paper we argue that normative reasons are hyperintensional and put forward a formal account of this thesis. That reasons are hyperintensional means that a reason for a proposition does not imply that it is also a reason for a logically equivalent proposition. In the first part we consider three arguments for the hyperintensionality of reasons: an argument from the nature of reasons, an argument from substitutivity and an argument from explanatory power. In the second part we describe a hyperintensional logic of reasons based on justification logics. Eventually we discuss the philosophical import of this proposal and highlight some limitations and possible developments.

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Author's Profile

Federico L. G. Faroldi
Universita' degli Studi di Pavia

References found in this work

Modal Logic as Metaphysics.Timothy Williamson - 2013 - Oxford, England: Oxford University Press.
Angellic Content.Kit Fine - 2016 - Journal of Philosophical Logic 45 (2):199-226.
Truthmaker Semantics.Kit Fine - 2017 - In Bob Hale, Crispin Wright & Alexander Miller (eds.), A Companion to the Philosophy of Language. Chichester, UK: Wiley. pp. 556–577.
Grounding: an opinionated introduction.Fabrice Correia & Benjamin Schnieder - 2012 - In Fabrice Correia & Benjamin Schnieder (eds.), Metaphysical Grounding: Understanding the Structure of Reality. Cambridge University Press. pp. 1-36.
A logic for 'because'.Benjamin Schnieder - 2011 - Review of Symbolic Logic 4 (3):445-465.

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