Combining Texts

All the ideas for 'Ethics: Inventing Right and Wrong', 'Reference and Essence: seven appendices' and 'Unity of Science as a Working Hypothesis'

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

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4 ideas

7. Existence / D. Theories of Reality / 10. Vagueness / g. Degrees of vagueness

14742

It can't be indeterminate whether x and y are identical; if x,y is indeterminate, then it isn't x,x [Salmon,N]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]

19. Language / B. Reference / 3. Direct Reference / a. Direct reference

18885

Kripke and Putnam made false claims that direct reference implies essentialism [Salmon,N]

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]