Combining Texts

All the ideas for 'Chapters on Scepticism', 'Concepts without Boundaries' and 'Consciousness, Philosophy and Mathematics'

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

---

7 ideas

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism

8728	Intuitionist mathematics deduces by introspective construction, and rejects unknown truths [Brouwer]

7. Existence / D. Theories of Reality / 10. Vagueness / b. Vagueness of reality

8983	If 'red' is vague, then membership of the set of red things is vague, so there is no set of red things [Sainsbury]

7. Existence / E. Categories / 2. Categorisation

8986	We should abandon classifying by pigeon-holes, and classify around paradigms [Sainsbury]

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

8982	Vague concepts are concepts without boundaries [Sainsbury]

8984	If concepts are vague, people avoid boundaries, can't spot them, and don't want them [Sainsbury]

8985	Boundaryless concepts tend to come in pairs, such as child/adult, hot/cold [Sainsbury]

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / b. Scepticism of other minds

1799	If we can't know minds, we can't know if Pyrrho was a sceptic [Theodosius, by Diog. Laertius]