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Ideas for 'Metaphysics: the logical approach', 'Concepts without Boundaries' and 'Coherence Theory of Truth and Knowledge'

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9 ideas

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]

9. Objects / C. Structure of Objects / 5. Composition of an Object

3304	Why should packed-together particles be a thing (Mt Everest), but not scattered ones? [Benardete,JA]

9. Objects / D. Essence of Objects / 6. Essence as Unifier

3350	Could a horse lose the essential property of being a horse, and yet continue to exist? [Benardete,JA]

9. Objects / E. Objects over Time / 2. Objects that Change

3309	If a soldier continues to exist after serving as a soldier, does the wind cease to exist after it ceases to blow? [Benardete,JA]

9. Objects / E. Objects over Time / 8. Continuity of Rivers

3351	One can step into the same river twice, but not into the same water [Benardete,JA]

9. Objects / F. Identity among Objects / 5. Self-Identity

3314	Absolutists might accept that to exist is relative, but relative to what? How about relative to itself? [Benardete,JA]

3323	Maybe self-identity isn't existence, if Pegasus can be self-identical but non-existent [Benardete,JA]