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Three Ontological Options for the Laws of the Best System

Demarest, Heather and Wilhelm, Isaac (2026) Three Ontological Options for the Laws of the Best System. Philosophers' Imprint.

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Abstract

What, ontologically speaking, are best system laws? Should the laws of the best system account be identified with sentences, or propositions, or perhaps something else? These questions differ from more familiar questions about which criteria we should use to pick out the best system laws: regardless of whether laws are picked out using simplicity, informativeness, tractability, predictability, perfect naturalness, or whatever, there remains the question of what, ontologically, the best system laws are. But very little has been written on this issue; and what has been written is often ambiguous. So in this paper, we present and evaluate three ontological options for best system laws: taking them to be sentences, unstructured propositions, and structured propositions. Surprisingly, the two most cited options---sentences and unstructured propositions---face significant problems. Defenders of the best system account might want to take seriously the idea that best system laws are structured propositions.


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Item Type: Published Article or Volume
Creators:
CreatorsEmailORCID
Demarest, Heatherheather.demarest@colorado.edu
Wilhelm, Isaaciwilhelm@nus.edu.sg
Keywords: Laws of Nature, Best System Account, Ontology, Propositions
Subjects: General Issues > Laws of Nature
Depositing User: Isaac Wilhelm
Date Deposited: 26 Feb 2026 12:06
Last Modified: 26 Feb 2026 12:06
Item ID: 28359
Journal or Publication Title: Philosophers' Imprint
Subjects: General Issues > Laws of Nature
Date: 2026
URI: https://philsci-archive.pitt.edu/id/eprint/28359

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