Combining Texts

All the ideas for 'Ethics: Inventing Right and Wrong', '10: Ephesians' and 'On the General Idea of Proof Theory'

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

---

4 ideas

1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy

23766

Don't be tossed to and fro with every wind of doctrine, by cunning deceptive men [Paul]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13827

Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz]

5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

13826

Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]

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]