Combining Texts

All the ideas for 'Ethics: Inventing Right and Wrong', 'Letter to Frege 29.12.1899' and 'Certain Physical Essays'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

3. Truth / G. Axiomatic Truth / 1. Axiomatic Truth

15716

If axioms and their implications have no contradictions, they pass my criterion of truth and existence [Hilbert]

14. Science / D. Explanation / 1. Explanation / b. Aims of explanation

16736

Explanation is generally to deduce it from something better known, which comes in degrees [Boyle]

14. Science / D. Explanation / 3. Best Explanation / b. Ultimate explanation

16737

The best explanations get down to primary basics, but others go less deep [Boyle]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / f. Ethical non-cognitivism

4761	The 'error theory' of morals says there is no moral knowledge, because there are no moral facts [Mackie, by Engel]