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- Title
Why 'Is' Must Entail 'Ought'.
- Authors
Lyon, Ardon
- Abstract
I argue below for the view that non‐moral truths entail moral ones. I first argue that moral claims do have truth values which are objectively true or false. I then argue that this objectivism does not entail non‐relativism. I produce a simple possible worlds argument for the entailment view. I then give some examples where p entails q but many intelligent people have thought it does not, and where it does not, but many intelligent people have thought that it does. I also try to evaluate a somewhat neglected argument by Hume. In the final section, I further consider some moral and meta‐moral opinions.
- Subjects
VALUES (Ethics); ARGUMENT; OBJECTIVISM (Philosophy)
- Publication
Philosophical Investigations, 2023, Vol 46, Issue 1, p5
- ISSN
0190-0536
- Publication type
Article
- DOI
10.1111/phin.12353