Combining Texts

All the ideas for 'Ethics: Inventing Right and Wrong', 'fragments/reports' and 'Classes and Attributes'

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3 ideas

8. Modes of Existence / B. Properties / 11. Properties as Sets
While no two classes coincide in membership, there are distinct but coextensive attributes [Cartwright,R]
13. Knowledge Criteria / D. Scepticism / 3. Illusion Scepticism
A false object might give the same presentation as a true one [Arcesilaus, by Cicero]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / f. Ethical non-cognitivism
The 'error theory' of morals says there is no moral knowledge, because there are no moral facts [Mackie, by Engel]