Combining Texts

All the ideas for 'Leibniz: Guide for the Perplexed', 'fragments/reports' and 'Vagueness'

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5 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

21597

Logical connectives have the highest precision, yet are infected by the vagueness of true and false [Russell, by Williamson]

7. Existence / D. Theories of Reality / 10. Vagueness / d. Vagueness as linguistic

9051	Since natural language is not precise it cannot be in the province of logic [Russell, by Keefe/Smith]

9054	Vagueness is only a characteristic of representations, such as language [Russell]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

19347

Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins]

27. Natural Reality / G. Biology / 1. Biology

651	Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle]