Biography
A. J. Ayer applied the verification principle to ethics: moral statements are neither analytic nor empirically verifiable, so they are meaningless as facts — mere expressions of emotion.
Key Ideas
- Verification principle.
- Emotivism (Boo/Hurrah theory).
- Non-cognitivism.
Topics Appearing In
Exam Importance
The key emotivist in Meta-Ethics; note the self-refutation objection to the verification principle.