Combining Texts

All the ideas for 'Ethics: Inventing Right and Wrong', 'works' and 'Concerning the Trinity'

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3 ideas

2. Reason / D. Definition / 1. Definitions

15927

Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine]

7. Existence / E. Categories / 1. Categories

16661

There are two sorts of category - referring to things, and to circumstances of things [Boethius]

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]