Combining Texts

All the ideas for 'Letters to Edward Stillingfleet', 'Critical Common-Sensism' and 'Open Society and Its Enemies:Hegel and Marx'

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

---

5 ideas

9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects

14797

Vagueness is a neglected but important part of mathematical thought [Peirce]

14798

All communication is vague, and is outside the principle of non-contradiction [Peirce]

9. Objects / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

9. Objects / D. Essence of Objects / 15. Against Essentialism

5451	Popper felt that ancient essentialism was a bar to progress [Popper, by Mautner]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]